projects/dang: gen/CodeGen.d annotate

annotate gen/CodeGen.d @ 183:8ea749b7da91

Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param.

author	Anders Johnsen <skabet@gmail.com>
date	Fri, 25 Jul 2008 10:59:16 +0200
parents	59cd211a1bd3
children	7b274cfdc1dc

rev	line source
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1 module gen.CodeGen;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	2
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	3 import tango.io.Stdout,
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	4 Int = tango.text.convert.Integer;
54 d84fec04d462 Move all root var-decls so they are generated before anything else Anders Halager <halager@gmail.com> parents: 53 diff changeset	5 import tango.core.Array : find, partition;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	6
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	7 import llvm.llvm;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	8
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	9 import ast.Decl,
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	10 ast.Stmt,
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	11 ast.Exp,
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	12 ast.Module : DModule = Module;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	13
119 c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	14 import basic.SmallArray,
143 d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	15 basic.Attribute,
119 c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	16 basic.LiteralParsing;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	17
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	18 import lexer.Token;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	19
92 771ac63898e2 A few better parser errors plus renaming most of the sema classes to match that they do now. Some have changes a lot. Anders Johnsen <skabet@gmail.com> parents: 89 diff changeset	20 import sema.Scope,
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	21 sema.Visitor;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	22
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	23 /**
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	24 Wrapper for Values representing rvalues (things you can only read from)
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	25 **/
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	26 private struct RValue
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	27 {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	28 /**
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	29 Returns true if this is a simple value, like an int or a pointer.
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	30 This is basicly anything except a struct, which will contain a Value that
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	31 is a pointer to the struct.
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	32 **/
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	33 bool isSimple() { return simple; }
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	34 /// Opposite of isSimple
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	35 bool isAggregate() { return !simple; }
94 48bb2287c035 Added Modules. Right now it's very simple - will grow with time and need. Anders Johnsen <skabet@gmail.com> parents: 93 diff changeset	36
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	37 Value value;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	38 private bool simple = true;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	39 }
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	40
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	41 /**
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	42 Wrapper for Values representing lvalues (things you can write to)
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	43 **/
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	44 private struct LValue
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	45 {
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	46 Value getAddress() { return value; }
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	47 private Value value;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	48 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	49
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	50 class CodeGen
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	51 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	52 public:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	53 this()
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	54 {
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	55 b = new Builder;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	56 ZeroIndex = ConstantInt.GetU(Type.Int32, 0);
137 efbf51d85f4d No reason to explicitly add structs as llvm types Anders Halager <halager@gmail.com> parents: 136 diff changeset	57
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	58 table = new SimpleSymbolTable();
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	59
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	60 createBasicTypes();
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	61 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	62
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	63 /**
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	64 Generate a new module.
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	65 **/
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	66 /*
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	67 Find all function decls and add the functions to the llvm module, so
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	68 they can be referenced.
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	69
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	70 Make sure all var-decls are located before functions, so we wont get
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	71 problems when referencing the global vars.
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	72
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	73 Generate the actual llvm code needed for all decls
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	74
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	75 Optimize if requested
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	76
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	77 Write to filehandle (can be a file or stdout)
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	78 */
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	79 void gen(DModule mod, uint handle, bool optimize, bool inline)
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	80 {
101 fea8d61a2451 First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?) Anders Johnsen <skabet@gmail.com> parents: 98 diff changeset	81 this.mod = mod;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	82 // create module
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	83 m = new .llvm.llvm.Module("main_module");
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	84 scope(exit) m.dispose();
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	85
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	86 table.enterScope;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	87
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	88 BytePtr = PointerType.Get(Type.Int8);
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	89 auto temp = FunctionType.Get(
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	90 Type.Void,
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	91 [BytePtr, BytePtr, Type.Int32, Type.Int32]);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	92 llvm_memcpy = m.addFunction(temp, "llvm.memcpy.i32");
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	93
68 381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	94 auto registerFunc =
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	95 (FuncDecl fd)
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	96 {
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	97 Type[] param_types;
183 8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	98 foreach (i, p; fd.type.params)
68 381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	99 {
183 8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	100 if (auto st = p.asStruct())
68 381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	101 {
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	102 Type pointer = PointerType.Get(llvm(st));
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	103 param_types ~= pointer;
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	104 }
183 8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	105 else if (auto ar = p.asArray())
86 29f486ccc203 Fixed a bug that made arrays as params fail big time Anders Johnsen <skabet@gmail.com> parents: 85 diff changeset	106 {
29f486ccc203 Fixed a bug that made arrays as params fail big time Anders Johnsen <skabet@gmail.com> parents: 85 diff changeset	107 Type pointer = PointerType.Get(llvm(ar));
29f486ccc203 Fixed a bug that made arrays as params fail big time Anders Johnsen <skabet@gmail.com> parents: 85 diff changeset	108 param_types ~= pointer;
29f486ccc203 Fixed a bug that made arrays as params fail big time Anders Johnsen <skabet@gmail.com> parents: 85 diff changeset	109 }
68 381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	110 else
183 8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	111 param_types ~= llvm(p);
68 381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	112 }
183 8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	113 auto ret_t = fd.type.returnType;
68 381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	114 if(auto st = cast(DStruct)ret_t)
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	115 ret_t = DType.Void;
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	116 else if(auto f = cast(DFunction)ret_t)
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	117 ret_t = f.returnType;
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	118 auto func_t = FunctionType.Get(llvm(ret_t), param_types);
143 d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	119 auto llfunc = m.addFunction(func_t, symbolName(fd));
68 381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	120
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	121 foreach (i, p; fd.funcArgs)
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	122 {
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	123 if(i == 0 && fd.sret)
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	124 llfunc.addParamAttr(0, ParamAttr.StructRet);
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	125
183 8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	126 DType t = fd.type.params[i];
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	127 if (auto st = t.asStruct)
68 381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	128 {
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	129 if (i == 0 && fd.sret)
68 381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	130 continue;
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	131 llfunc.addParamAttr(i, ParamAttr.ByVal);
68 381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	132 }
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	133 else if (auto ar = t.asArray)
86 29f486ccc203 Fixed a bug that made arrays as params fail big time Anders Johnsen <skabet@gmail.com> parents: 85 diff changeset	134 {
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	135 llfunc.addParamAttr(i, ParamAttr.ByVal);
86 29f486ccc203 Fixed a bug that made arrays as params fail big time Anders Johnsen <skabet@gmail.com> parents: 85 diff changeset	136 }
68 381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	137 }
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	138 };
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	139 auto visitor = new VisitFuncDecls(registerFunc);
101 fea8d61a2451 First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?) Anders Johnsen <skabet@gmail.com> parents: 98 diff changeset	140 visitor.visit([mod]);
54 d84fec04d462 Move all root var-decls so they are generated before anything else Anders Halager <halager@gmail.com> parents: 53 diff changeset	141 // Before beginning we move all top level var-decls to the start
d84fec04d462 Move all root var-decls so they are generated before anything else Anders Halager <halager@gmail.com> parents: 53 diff changeset	142 // and then we generate the var-decls first
d84fec04d462 Move all root var-decls so they are generated before anything else Anders Halager <halager@gmail.com> parents: 53 diff changeset	143 // partition is NOT required to be stable, but that should not create
d84fec04d462 Move all root var-decls so they are generated before anything else Anders Halager <halager@gmail.com> parents: 53 diff changeset	144 // any problems.
94 48bb2287c035 Added Modules. Right now it's very simple - will grow with time and need. Anders Johnsen <skabet@gmail.com> parents: 93 diff changeset	145 partition(mod.decls, (Decl d) { return d.declType == DeclType.VarDecl; });
54 d84fec04d462 Move all root var-decls so they are generated before anything else Anders Halager <halager@gmail.com> parents: 53 diff changeset	146
94 48bb2287c035 Added Modules. Right now it's very simple - will grow with time and need. Anders Johnsen <skabet@gmail.com> parents: 93 diff changeset	147 foreach (decl; mod.decls)
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	148 genRootDecl(decl);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	149
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	150 table.leaveScope;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	151
92 771ac63898e2 A few better parser errors plus renaming most of the sema classes to match that they do now. Some have changes a lot. Anders Johnsen <skabet@gmail.com> parents: 89 diff changeset	152 // debug m.verify();
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	153
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	154 if(optimize)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	155 m.optimize(inline);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	156
89 a49bb982a7b0 Using the new SourceLocation system to handle errors. Also, this is the first push for making the errors don't throw, but continue to check the source. Anders Johnsen <skabet@gmail.com> parents: 88 diff changeset	157 m.writeBitcodeToFileHandle(handle);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	158 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	159
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	160 private:
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	161 /**
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	162 Generate a single top-level Decl
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	163 **/
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	164 void genRootDecl(Decl decl)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	165 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	166 switch(decl.declType)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	167 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	168 case DeclType.FuncDecl:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	169 FuncDecl funcDecl = cast(FuncDecl)decl;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	170
82 06dda301ea61 Can declare outside functions and call c-functions Anders Johnsen <skabet@gmail.com> parents: 81 diff changeset	171 // Empty function - declare;
06dda301ea61 Can declare outside functions and call c-functions Anders Johnsen <skabet@gmail.com> parents: 81 diff changeset	172 if(funcDecl.emptyFunction)
06dda301ea61 Can declare outside functions and call c-functions Anders Johnsen <skabet@gmail.com> parents: 81 diff changeset	173 return;
06dda301ea61 Can declare outside functions and call c-functions Anders Johnsen <skabet@gmail.com> parents: 81 diff changeset	174
64 91f10c34cd7b Fixed some bugs, removed the function gathering pass in codegen and types are Anders Halager <halager@gmail.com> parents: 63 diff changeset	175 llvm(funcDecl.type);
143 d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	176 auto llfunc = m.getNamedFunction(symbolName(funcDecl));
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	177 auto func_tp = cast(PointerType)llfunc.type;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	178 auto func_t = cast(FunctionType)func_tp.elementType();
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	179 auto ret_t = func_t.returnType();
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	180
86 29f486ccc203 Fixed a bug that made arrays as params fail big time Anders Johnsen <skabet@gmail.com> parents: 85 diff changeset	181
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	182 auto bb = llfunc.appendBasicBlock("entry");
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	183 b.positionAtEnd(bb);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	184
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	185 table.enterScope;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	186 foreach (i, v; funcDecl.funcArgs)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	187 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	188 llfunc.getParam(i).name = v.identifier.get;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	189 auto name = v.identifier.get;
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	190 if (!cast(PointerType)llfunc.getParam(i).type)
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	191 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	192 auto AI = b.buildAlloca(llfunc.getParam(i).type, name);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	193 // Value va = b.buildLoad(val, name);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	194 b.buildStore(llfunc.getParam(i), AI);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	195 table[name] = AI;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	196 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	197 else
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	198 table[name] = llfunc.getParam(i);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	199 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	200
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	201 foreach (stmt; funcDecl.statements)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	202 genStmt(stmt);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	203
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	204 // if the function didn't end with a return, we automatically
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	205 // add one (return 0 as default)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	206 if (b.getInsertBlock().terminated() is false)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	207 if (ret_t is Type.Void)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	208 b.buildRetVoid();
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	209 else
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	210 b.buildRet(ConstantInt.GetS(ret_t, 0));
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	211
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	212 table.leaveScope;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	213 break;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	214
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	215 case DeclType.VarDecl:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	216 auto varDecl = cast(VarDecl)decl;
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	217 auto id = varDecl.identifier;
93 621cedba53ea Removed the Symbol from semantics - it was not needed anymore. From now on you set the type by doing a setType on an Identifier. Anders Johnsen <skabet@gmail.com> parents: 92 diff changeset	218 Type t = llvm(id.type);
621cedba53ea Removed the Symbol from semantics - it was not needed anymore. From now on you set the type by doing a setType on an Identifier. Anders Johnsen <skabet@gmail.com> parents: 92 diff changeset	219 GlobalVariable g = m.addGlobal(t, id.get);
181 59cd211a1bd3 Better support for function pointers Anders Halager <halager@gmail.com> parents: 175 diff changeset	220 g.initializer = Constant.GetNull(t);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	221 table[varDecl.identifier.get] = g;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	222 break;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	223
175 c8e26556c24d Codegen functions in structs Anders Halager <halager@gmail.com> parents: 174 diff changeset	224 case DeclType.StructDecl:
c8e26556c24d Codegen functions in structs Anders Halager <halager@gmail.com> parents: 174 diff changeset	225 auto sdecl = cast(StructDecl)decl;
c8e26556c24d Codegen functions in structs Anders Halager <halager@gmail.com> parents: 174 diff changeset	226 foreach (d; sdecl.decls)
c8e26556c24d Codegen functions in structs Anders Halager <halager@gmail.com> parents: 174 diff changeset	227 {
c8e26556c24d Codegen functions in structs Anders Halager <halager@gmail.com> parents: 174 diff changeset	228 auto func = cast(FuncDecl)d;
c8e26556c24d Codegen functions in structs Anders Halager <halager@gmail.com> parents: 174 diff changeset	229 if (func is null)
c8e26556c24d Codegen functions in structs Anders Halager <halager@gmail.com> parents: 174 diff changeset	230 continue;
c8e26556c24d Codegen functions in structs Anders Halager <halager@gmail.com> parents: 174 diff changeset	231 genRootDecl(func);
c8e26556c24d Codegen functions in structs Anders Halager <halager@gmail.com> parents: 174 diff changeset	232 }
c8e26556c24d Codegen functions in structs Anders Halager <halager@gmail.com> parents: 174 diff changeset	233 break;
c8e26556c24d Codegen functions in structs Anders Halager <halager@gmail.com> parents: 174 diff changeset	234
173 50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	235 case DeclType.ClassDecl:
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	236 auto cdecl = cast(ClassDecl)decl;
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	237 SmallArray!(Constant) functions;
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	238 foreach (d; cdecl.decls)
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	239 {
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	240 auto func = cast(FuncDecl)d;
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	241 if (func is null)
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	242 continue;
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	243 genRootDecl(func);
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	244 auto llvm_f = m.getNamedFunction(symbolName(func));
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	245 functions ~= Constant.GetBitCast(llvm_f, BytePtr);
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	246 }
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	247 auto class_vtbl = ConstantArray.Get(BytePtr, functions.unsafe());
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	248 auto gv = m.addGlobal(class_vtbl, cdecl.identifier.get ~ "_vtable");
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	249 gv.linkage = Linkage.Weak;
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	250 gv.globalConstant = true;
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	251 break;
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	252
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	253 default:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	254 break;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	255 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	256 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	257
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	258 /**
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	259 Generate a single local Decl
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	260 **/
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	261 void genDecl(Decl decl)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	262 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	263 switch(decl.declType)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	264 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	265 case DeclType.VarDecl:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	266 auto varDecl = cast(VarDecl)decl;
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	267 auto id = varDecl.identifier;
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	268 auto name = id.get;
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	269 auto AI = b.buildAlloca(llvm(id.type), name);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	270 table[name] = AI;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	271 if (varDecl.init)
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	272 {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	273 LValue dst = genLValue(varDecl.identifier);
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	274 RValue src = genExpression(varDecl.init);
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	275 storeThroughLValue(dst, src, id.type);
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	276 }
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	277 break;
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	278
173 50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	279 case DeclType.FuncDecl,
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	280 DeclType.StructDecl,
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	281 DeclType.ClassDecl:
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	282 genRootDecl(decl);
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	283 break;
137 efbf51d85f4d No reason to explicitly add structs as llvm types Anders Halager <halager@gmail.com> parents: 136 diff changeset	284
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	285 default:
138 b61de188cd0d Removed some unused code Anders Halager <halager@gmail.com> parents: 137 diff changeset	286 break;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	287 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	288 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	289
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	290 // Remove - do it right (basic/Messages.d)
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	291 struct PE
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	292 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	293 static char[] NoImplicitConversion =
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	294 "Can't find an implicit conversion between %0 and %1";
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	295 static char[] VoidRetInNonVoidFunc =
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	296 "Only void functions can return without an expression";
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	297 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	298
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	299 /**
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	300 Generate a single expression.
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	301
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	302 This is the most general way of generating expressions and therefore
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	303 returns an RValue.
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	304 **/
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	305 RValue genExpression(Exp exp)
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	306 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	307 switch(exp.expType)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	308 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	309 case ExpType.Binary:
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	310 return RValue(genBinExp(cast(BinaryExp)exp));
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	311 case ExpType.IntegerLit:
119 c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	312 auto integerLit = cast(IntegerLit)exp;
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	313 switch(integerLit.number.type)
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	314 {
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	315 case NumberType.Int:
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	316 return RValue(ConstantInt.GetS(Type.Int32, integerLit.number.integer));
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	317 case NumberType.Long:
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	318 return RValue(ConstantInt.GetS(Type.Int64, integerLit.number.integer));
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	319 case NumberType.ULong:
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	320 return RValue(ConstantInt.GetS(Type.Int64, integerLit.number.integer));
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	321 case NumberType.Float:
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	322 return RValue(ConstantReal.Get(Type.Float, integerLit.number.floating));
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	323 case NumberType.Double:
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	324 return RValue(ConstantReal.Get(Type.Double, integerLit.number.floating));
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	325 case NumberType.Real:
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	326 return RValue(ConstantReal.Get(Type.X86_FP80, integerLit.number.floating));
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	327 }
160 6cb2f4201e2a Improved static arrays Anders Halager <halager@gmail.com> parents: 155 diff changeset	328 case ExpType.StringExp:
6cb2f4201e2a Improved static arrays Anders Halager <halager@gmail.com> parents: 155 diff changeset	329 auto stringExp = cast(StringExp)exp;
6cb2f4201e2a Improved static arrays Anders Halager <halager@gmail.com> parents: 155 diff changeset	330 char[] data = cast(char[])stringExp.data;
6cb2f4201e2a Improved static arrays Anders Halager <halager@gmail.com> parents: 155 diff changeset	331 auto string_constant = ConstantArray.GetString(data, true);
6cb2f4201e2a Improved static arrays Anders Halager <halager@gmail.com> parents: 155 diff changeset	332 auto gv = m.addGlobal(string_constant, "string");
6cb2f4201e2a Improved static arrays Anders Halager <halager@gmail.com> parents: 155 diff changeset	333 gv.linkage = Linkage.Internal;
6cb2f4201e2a Improved static arrays Anders Halager <halager@gmail.com> parents: 155 diff changeset	334 gv.globalConstant = true;
6cb2f4201e2a Improved static arrays Anders Halager <halager@gmail.com> parents: 155 diff changeset	335 return RValue(gv);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	336 case ExpType.Negate:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	337 auto negateExp = cast(NegateExp)exp;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	338 auto target = genExpression(negateExp.exp);
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	339 return RValue(b.buildNeg(target.value, "neg"));
78 ad956143dcdc Parse and gen for dereferences Anders Halager <halager@gmail.com> parents: 74 diff changeset	340 case ExpType.Deref:
ad956143dcdc Parse and gen for dereferences Anders Halager <halager@gmail.com> parents: 74 diff changeset	341 auto derefExp = cast(DerefExp)exp;
ad956143dcdc Parse and gen for dereferences Anders Halager <halager@gmail.com> parents: 74 diff changeset	342 auto target = genExpression(derefExp.exp);
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	343 return RValue(b.buildLoad(target.value, "deref"));
181 59cd211a1bd3 Better support for function pointers Anders Halager <halager@gmail.com> parents: 175 diff changeset	344 case ExpType.AddressOfExp:
59cd211a1bd3 Better support for function pointers Anders Halager <halager@gmail.com> parents: 175 diff changeset	345 auto addrExp = cast(AddressOfExp)exp;
59cd211a1bd3 Better support for function pointers Anders Halager <halager@gmail.com> parents: 175 diff changeset	346 auto target = genLValue(addrExp.exp);
59cd211a1bd3 Better support for function pointers Anders Halager <halager@gmail.com> parents: 175 diff changeset	347 return RValue(target.getAddress());
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	348 case ExpType.AssignExp:
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	349 auto AE = cast(AssignExp)exp;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	350 LValue dst = genLValue(AE.identifier);
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	351 RValue src = genExpression(AE.exp);
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	352 storeThroughLValue(dst, src, AE.exp.type());
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	353 return src;
83 9e90694f5da0 Parse array indexing, and allow reading from arrays Anders Halager <halager@gmail.com> parents: 82 diff changeset	354 case ExpType.Index:
9e90694f5da0 Parse array indexing, and allow reading from arrays Anders Halager <halager@gmail.com> parents: 82 diff changeset	355 auto indexExp = cast(IndexExp)exp;
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	356 return loadLValue(genLValue(exp));
166 9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	357 case ExpType.NewExp:
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	358 auto newExp = cast(NewExp)exp;
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	359 DClass type = newExp.newType.type().asClass();
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	360 auto llvm_type = cast(PointerType)llvm(type);
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	361 auto pointer = b.buildMalloc(llvm_type.elementType(), "new");
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	362 scope args = new Value[newExp.c_args.length];
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	363 foreach (i, arg; newExp.c_args)
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	364 args[i] = genExpression(arg).value;
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	365 auto f = m.getNamedFunction(newExp.callSym.getMangledFQN());
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	366 b.buildCall(f, args, "");
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	367 return RValue(pointer);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	368 case ExpType.CallExp:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	369 auto callExp = cast(CallExp)exp;
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	370 // BUG: Might not be a simple identifier, a.foo(x) is also a
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	371 // valid call - or foo(x)(y) for that matter.
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	372
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	373 // if type of exp is DFunction - safe to call getSymbol and FQN
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	374 // if function ptr: do something else
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	375 // if delegate do a third thing
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	376 // if struct/class check for opCall
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	377 DType type = callExp.exp.type;
181 59cd211a1bd3 Better support for function pointers Anders Halager <halager@gmail.com> parents: 175 diff changeset	378 assert (type.isCallable(), "Can only call functions");
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	379 scope args = new Value[callExp.args.length];
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	380 foreach (i, arg; callExp.args)
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	381 args[i] = genExpression(arg).value;
181 59cd211a1bd3 Better support for function pointers Anders Halager <halager@gmail.com> parents: 175 diff changeset	382 DFunction ftype = type.asCallable();
173 50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	383 Type llvm_ftype = llvm(ftype);
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	384 Value f = null;
171 f0385c044065 Make function overloads work in the codegen Anders Halager <halager@gmail.com> parents: 166 diff changeset	385 if (callExp.callSym is null)
f0385c044065 Make function overloads work in the codegen Anders Halager <halager@gmail.com> parents: 166 diff changeset	386 {
f0385c044065 Make function overloads work in the codegen Anders Halager <halager@gmail.com> parents: 166 diff changeset	387 // Do a virtual function call
173 50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	388 f = genLValue(callExp.exp).getAddress();
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	389 f = b.buildLoad(f, "func_pointer");
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	390 f = b.buildBitCast(
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	391 f,
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	392 PointerType.Get(llvm_ftype),
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	393 ftype.name);
171 f0385c044065 Make function overloads work in the codegen Anders Halager <halager@gmail.com> parents: 166 diff changeset	394 }
f0385c044065 Make function overloads work in the codegen Anders Halager <halager@gmail.com> parents: 166 diff changeset	395 else
f0385c044065 Make function overloads work in the codegen Anders Halager <halager@gmail.com> parents: 166 diff changeset	396 {
f0385c044065 Make function overloads work in the codegen Anders Halager <halager@gmail.com> parents: 166 diff changeset	397 auto sym = callExp.callSym;
f0385c044065 Make function overloads work in the codegen Anders Halager <halager@gmail.com> parents: 166 diff changeset	398 f = m.getNamedFunction(sym.getMangledFQN());
f0385c044065 Make function overloads work in the codegen Anders Halager <halager@gmail.com> parents: 166 diff changeset	399 }
173 50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	400 bool isVoid = ftype.returnType is DType.Void;
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	401 auto r = b.buildCall(f, args, isVoid? "" : "call");
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	402 return RValue(r);
68 381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	403 case ExpType.CastExp:
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	404 auto castExp = cast(CastExp)exp;
120 7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	405 exp = castExp.exp;
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	406 auto value = genExpression(exp);
68 381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	407
120 7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	408 if (!exp.type.hasImplicitConversionTo(castExp.type))
68 381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	409 assert(0, "Invalid cast");
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	410
120 7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	411 return genTypeCast(value, exp.type, castExp.type);
68 381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	412
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	413 case ExpType.Identifier:
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	414 auto id = cast(Identifier)exp;
181 59cd211a1bd3 Better support for function pointers Anders Halager <halager@gmail.com> parents: 175 diff changeset	415 auto type = id.type;
59cd211a1bd3 Better support for function pointers Anders Halager <halager@gmail.com> parents: 175 diff changeset	416 if (type.isStruct()
59cd211a1bd3 Better support for function pointers Anders Halager <halager@gmail.com> parents: 175 diff changeset	417 \|\| type.isArray()
59cd211a1bd3 Better support for function pointers Anders Halager <halager@gmail.com> parents: 175 diff changeset	418 \|\| type.isStaticArray()
59cd211a1bd3 Better support for function pointers Anders Halager <halager@gmail.com> parents: 175 diff changeset	419 \|\| type.isClass())
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	420 return RValue(table.find(id.get));
181 59cd211a1bd3 Better support for function pointers Anders Halager <halager@gmail.com> parents: 175 diff changeset	421 else if (type.isFunction())
59cd211a1bd3 Better support for function pointers Anders Halager <halager@gmail.com> parents: 175 diff changeset	422 {
59cd211a1bd3 Better support for function pointers Anders Halager <halager@gmail.com> parents: 175 diff changeset	423 auto func_name = id.getSymbol().getMangledFQN();
59cd211a1bd3 Better support for function pointers Anders Halager <halager@gmail.com> parents: 175 diff changeset	424 return RValue(m.getNamedFunction(func_name));
59cd211a1bd3 Better support for function pointers Anders Halager <halager@gmail.com> parents: 175 diff changeset	425 }
59cd211a1bd3 Better support for function pointers Anders Halager <halager@gmail.com> parents: 175 diff changeset	426 else if (type.isCallable())
59cd211a1bd3 Better support for function pointers Anders Halager <halager@gmail.com> parents: 175 diff changeset	427 return RValue(genLValue(id).getAddress());
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	428 else
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	429 return RValue(b.buildLoad(table.find(id.get), id.get));
55 79cb0afafabe Now structs are somewhat useable to use. Anders Johnsen <skabet@gmail.com> parents: 54 diff changeset	430 case ExpType.MemberReference:
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	431 return loadLValue(genLValue(exp));
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	432 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	433 assert(0, "Reached end of switch in genExpression");
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	434 return RValue(null);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	435 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	436
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	437 /**
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	438 Generate a binary expression.
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	439
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	440 Currently only works for signed and unsigned integers, but is almost
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	441 ready for floats and should be expanded to everything else.
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	442 **/
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	443 Value genBinExp(BinaryExp e)
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	444 {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	445 auto left = genExpression(e.left).value;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	446 auto right = genExpression(e.right).value;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	447 DType t_a = e.left.type;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	448 DType t_b = e.right.type;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	449
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	450 Value res;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	451 // TODO: do usual type promotions on a and b
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	452 // TODO: support floats
116 0cd8d6ab3f89 Add in the types for float and co. Anders Halager <halager@gmail.com> parents: 113 diff changeset	453 if (t_a.isArithmetic() && t_b.isArithmetic())
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	454 {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	455 Operation op = t_a.getOperationWith(op2op(e.op), t_b);
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	456 assert(op.isBuiltin(),
120 7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	457 "numbers should only use builtin ops");
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	458 alias BuiltinOperation BO;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	459 BO val = op.builtinOp();
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	460 // map val to buildAdd or similar
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	461 switch (val) {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	462 case BO.Add: res = b.buildAdd(left, right, "add"); break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	463 case BO.Sub: res = b.buildSub(left, right, "sub"); break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	464 case BO.Mul: res = b.buildMul(left, right, "mul"); break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	465 case BO.SDiv: res = b.buildSDiv(left, right, "div"); break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	466 case BO.UDiv: res = b.buildUDiv(left, right, "div"); break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	467 case BO.FDiv: res = b.buildFDiv(left, right, "div"); break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	468 case BO.SRem: res = b.buildSRem(left, right, "rem"); break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	469 case BO.URem: res = b.buildURem(left, right, "rem"); break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	470 case BO.FRem: res = b.buildFRem(left, right, "rem"); break;
125 d604152de1eb Support shifts and binary logical operators in codegen Anders Halager <halager@gmail.com> parents: 121 diff changeset	471
d604152de1eb Support shifts and binary logical operators in codegen Anders Halager <halager@gmail.com> parents: 121 diff changeset	472 case BO.Shl: res = b.buildShl(left, right, "shl"); break;
d604152de1eb Support shifts and binary logical operators in codegen Anders Halager <halager@gmail.com> parents: 121 diff changeset	473 case BO.LShr: res = b.buildLShr(left, right, "lshr"); break;
d604152de1eb Support shifts and binary logical operators in codegen Anders Halager <halager@gmail.com> parents: 121 diff changeset	474 case BO.AShr: res = b.buildAShr(left, right, "ashr"); break;
d604152de1eb Support shifts and binary logical operators in codegen Anders Halager <halager@gmail.com> parents: 121 diff changeset	475
d604152de1eb Support shifts and binary logical operators in codegen Anders Halager <halager@gmail.com> parents: 121 diff changeset	476 case BO.And: res = b.buildAnd(left, right, "and"); break;
d604152de1eb Support shifts and binary logical operators in codegen Anders Halager <halager@gmail.com> parents: 121 diff changeset	477 case BO.Or: res = b.buildOr (left, right, "or"); break;
d604152de1eb Support shifts and binary logical operators in codegen Anders Halager <halager@gmail.com> parents: 121 diff changeset	478 case BO.Xor: res = b.buildXor(left, right, "xor"); break;
d604152de1eb Support shifts and binary logical operators in codegen Anders Halager <halager@gmail.com> parents: 121 diff changeset	479
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	480 default:
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	481 LLVMPred pred = predFromBI(val);
121 95dfe2f48dcf Allow == and != on reals Anders Halager <halager@gmail.com> parents: 120 diff changeset	482 if (t_a.isReal())
95dfe2f48dcf Allow == and != on reals Anders Halager <halager@gmail.com> parents: 120 diff changeset	483 if (val == BO.Eq)
95dfe2f48dcf Allow == and != on reals Anders Halager <halager@gmail.com> parents: 120 diff changeset	484 pred = LLVMPred.Real(RealPredicate.OEQ);
95dfe2f48dcf Allow == and != on reals Anders Halager <halager@gmail.com> parents: 120 diff changeset	485 else if (val == BO.Ne)
95dfe2f48dcf Allow == and != on reals Anders Halager <halager@gmail.com> parents: 120 diff changeset	486 pred = LLVMPred.Real(RealPredicate.ONE);
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	487 IntPredicate ip = pred.intPred;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	488 RealPredicate rp = pred.realPred;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	489 assert(pred.isValid, "Not a predicate");
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	490 if (pred.isReal)
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	491 res = b.buildFCmp(rp, left, right, "cmp");
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	492 else
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	493 res = b.buildICmp(ip, left, right, "cmp");
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	494 break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	495 }
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	496 }
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	497 else
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	498 /*
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	499 if left has op for right's type:
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	500 a_op = left.op(right)
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	501 if right has usable op_r:
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	502 b_op_r = right.op_r(left)
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	503 if a_op or b_op_r is set, choose the best one
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	504 else if op is commutative
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	505 if left has usable op_r
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	506 a_op_r = left.op_r(right)
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	507 if right has usable op
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	508 b_op = right.op(left)
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	509 choose best one from a_op_r and b_op
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	510 else error
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	511 */
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	512 assert(0, "Not integers?");
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	513
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	514 return res;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	515 }
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	516
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	517 /**
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	518 Generates one statement
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	519 **/
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	520 // This should be split into specific methods - one per Stmt type?
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	521 void genStmt(Stmt stmt)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	522 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	523 switch(stmt.stmtType)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	524 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	525 case StmtType.Compound:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	526 auto stmts = cast(CompoundStatement)stmt;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	527 foreach (s; stmts.statements)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	528 genStmt(s);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	529 break;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	530 case StmtType.Return:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	531 auto ret = cast(ReturnStmt)stmt;
64 91f10c34cd7b Fixed some bugs, removed the function gathering pass in codegen and types are Anders Halager <halager@gmail.com> parents: 63 diff changeset	532 DFunction type = stmt.env.parentFunction().type();
91f10c34cd7b Fixed some bugs, removed the function gathering pass in codegen and types are Anders Halager <halager@gmail.com> parents: 63 diff changeset	533 Type t = llvm(type.returnType);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	534 if (ret.exp is null)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	535 if (t is Type.Void)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	536 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	537 b.buildRetVoid();
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	538 return;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	539 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	540 else
114 3a0cd42de9cc Removed misc/Error.d and is now using the error system all way through. Anders Johnsen <skabet@gmail.com> parents: 107 diff changeset	541 assert(0, PE.VoidRetInNonVoidFunc);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	542
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	543 RValue v = genExpression(ret.exp);
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	544 b.buildRet(v.value);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	545 break;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	546 case StmtType.Decl:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	547 auto declStmt = cast(DeclStmt)stmt;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	548 genDecl(declStmt.decl);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	549 break;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	550 case StmtType.Exp:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	551 auto expStmt = cast(ExpStmt)stmt;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	552 genExpression(expStmt.exp);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	553 break;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	554 case StmtType.If:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	555 auto ifStmt = cast(IfStmt)stmt;
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	556 Value cond = genExpression(ifStmt.cond).value;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	557 if (cond.type !is Type.Int1)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	558 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	559 Value False = ConstantInt.GetS(cond.type, 0);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	560 cond = b.buildICmp(IntPredicate.NE, cond, False, ".cond");
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	561 }
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	562 auto func_name = symbolName(stmt.env.parentFunction());
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	563 Function func = m.getNamedFunction(func_name);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	564 bool has_else = (ifStmt.else_body !is null);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	565
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	566 auto thenBB = func.appendBasicBlock("then");
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	567 auto elseBB = has_else? func.appendBasicBlock("else") : null;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	568 auto mergeBB = func.appendBasicBlock("merge");
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	569
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	570 b.buildCondBr(cond, thenBB, has_else? elseBB : mergeBB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	571 b.positionAtEnd(thenBB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	572 genStmt(ifStmt.then_body);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	573 thenBB = b.getInsertBlock();
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	574 if (b.getInsertBlock().terminated() is false)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	575 b.buildBr(mergeBB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	576
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	577 if (has_else)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	578 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	579 b.positionAtEnd(elseBB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	580 genStmt(ifStmt.else_body);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	581 elseBB = b.getInsertBlock();
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	582 if (elseBB.terminated() is false)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	583 b.buildBr(mergeBB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	584 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	585
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	586 b.positionAtEnd(mergeBB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	587 break;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	588 case StmtType.While:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	589 auto wStmt = cast(WhileStmt)stmt;
155 2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	590 genLoop(stmt.env, wStmt.cond, false, wStmt.whileBody);
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	591 break;
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	592 /+
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	593 case StmtType.DoWhile:
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	594 auto wStmt = cast(DoWhileStmt)stmt;
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	595 genLoop(stmt.env, wStmt.cond, true, wStmt.whileBody);
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	596 break;
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	597 +/
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	598 case StmtType.For:
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	599 auto fStmt = cast(ForStmt)stmt;
183 8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	600 Stmt[] stmts;
8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	601 if(fStmt.init)
8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	602 genStmt(fStmt.init);
8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	603 ExpStmt inc;
8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	604 if(fStmt.incre)
8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	605 stmts ~= new ExpStmt(fStmt.incre);
8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	606 Exp cond;
8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	607 if(fStmt.cond)
8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	608 cond = fStmt.cond;
8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	609 else
8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	610 {
8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	611 auto i = new IntegerLit(fStmt.loc,"1");
8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	612 i.number.type = NumberType.Int;
8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	613 i.number.integer = 1;
8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	614 cond = i;
8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	615 }
8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	616 stmts ~= fStmt.forBody;
8ea749b7da91 Fixed a few errors so that two more tests passes. Also, now you only need a type in a function param. Anders Johnsen <skabet@gmail.com> parents: 181 diff changeset	617 genLoop(stmt.env, cond, false, stmts);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	618 break;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	619 case StmtType.Switch:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	620 auto sw = cast(SwitchStmt)stmt;
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	621 Value cond = genExpression(sw.cond).value;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	622
143 d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	623 auto fc = stmt.env.parentFunction();
d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	624 Function func = m.getNamedFunction(symbolName(fc));
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	625
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	626 BasicBlock oldBB = b.getInsertBlock();
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	627 BasicBlock defBB;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	628 BasicBlock endBB = func.appendBasicBlock("sw.end");
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	629 if (sw.defaultBlock)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	630 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	631 defBB = Function.InsertBasicBlock(endBB, "sw.def");
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	632 b.positionAtEnd(defBB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	633 foreach (case_statement; sw.defaultBlock)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	634 genStmt(case_statement);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	635 if (!defBB.terminated())
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	636 b.buildBr(endBB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	637 b.positionAtEnd(oldBB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	638 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	639 else
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	640 defBB = endBB;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	641 auto SI = b.buildSwitch(cond, defBB, sw.cases.length);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	642 foreach (c; sw.cases)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	643 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	644 BasicBlock prevBB;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	645 foreach (i, val; c.values)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	646 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	647 auto BB = Function.InsertBasicBlock(defBB, "sw.bb");
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	648 SI.addCase(ConstantInt.GetS(cond.type, c.values_converted[i]), BB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	649
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	650 if (i + 1 == c.values.length)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	651 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	652 b.positionAtEnd(BB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	653 foreach (case_statement; c.stmts)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	654 genStmt(case_statement);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	655 if (!BB.terminated())
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	656 b.buildBr(c.followedByDefault? defBB : endBB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	657 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	658
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	659 if (prevBB !is null && !prevBB.terminated())
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	660 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	661 b.positionAtEnd(prevBB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	662 b.buildBr(BB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	663 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	664 prevBB = BB;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	665 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	666 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	667 b.positionAtEnd(endBB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	668 break;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	669 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	670 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	671
155 2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	672 /**
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	673 Generate a loop.
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	674
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	675 Loops while cond is true, executing all statements in stmts every time.
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	676
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	677 If skipFirstCond is set, the condition is skipped the first time around,
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	678 like in a do-while loop.
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	679 **/
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	680 void genLoop(Scope env, Exp cond, bool skipFirstCond, Stmt[] stmts...)
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	681 {
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	682 auto fd = env.parentFunction();
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	683 Function func = m.getNamedFunction(symbolName(fd));
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	684
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	685 auto condBB = func.appendBasicBlock("cond");
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	686 auto bodyBB = func.appendBasicBlock("body");
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	687 auto doneBB = func.appendBasicBlock("done");
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	688
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	689 b.buildBr(skipFirstCond? bodyBB : condBB);
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	690 b.positionAtEnd(condBB);
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	691
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	692 Value cond_v = genExpression(cond).value;
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	693 if (cond_v.type !is Type.Int1)
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	694 {
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	695 Value False = ConstantInt.GetS(cond_v.type, 0);
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	696 cond_v = b.buildICmp(IntPredicate.NE, cond_v, False, ".cond");
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	697 }
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	698 b.buildCondBr(cond_v, bodyBB, doneBB);
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	699
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	700 b.positionAtEnd(bodyBB);
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	701 foreach (stmt; stmts)
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	702 genStmt(stmt);
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	703 if (b.getInsertBlock().terminated() is false)
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	704 b.buildBr(condBB);
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	705
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	706 b.positionAtEnd(doneBB);
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	707 }
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	708
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	709 /*
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	710 Get the address of an expression - allowing us to modify something in
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	711 memory or on the stack.
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	712 */
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	713 LValue genLValue(Exp exp)
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	714 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	715 switch(exp.expType)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	716 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	717 case ExpType.Identifier:
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	718 auto id = cast(Identifier)exp;
181 59cd211a1bd3 Better support for function pointers Anders Halager <halager@gmail.com> parents: 175 diff changeset	719 Value v = table.find(id.get);
59cd211a1bd3 Better support for function pointers Anders Halager <halager@gmail.com> parents: 175 diff changeset	720 if (v is null)
59cd211a1bd3 Better support for function pointers Anders Halager <halager@gmail.com> parents: 175 diff changeset	721 v = m.getNamedFunction(id.getSymbol().getMangledFQN());
59cd211a1bd3 Better support for function pointers Anders Halager <halager@gmail.com> parents: 175 diff changeset	722 return LValue(v);
80 682e20aa224f Pointers working now - big YAY Anders Johnsen <skabet@gmail.com> parents: 79 diff changeset	723 case ExpType.Deref:
116 0cd8d6ab3f89 Add in the types for float and co. Anders Halager <halager@gmail.com> parents: 113 diff changeset	724 // LValue(*x): load(x)
0cd8d6ab3f89 Add in the types for float and co. Anders Halager <halager@gmail.com> parents: 113 diff changeset	725 // RValue(*x): load(load(x))
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	726 // This way x = x + 1 will work
116 0cd8d6ab3f89 Add in the types for float and co. Anders Halager <halager@gmail.com> parents: 113 diff changeset	727 // We need an ekstra load, because we get an i32** rather than
0cd8d6ab3f89 Add in the types for float and co. Anders Halager <halager@gmail.com> parents: 113 diff changeset	728 // i32* since stuff is alloc'd
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	729 auto DE = cast(DerefExp)exp;
113 244142a21cbc Fix derefs as lvalues Anders Halager <halager@gmail.com> parents: 107 diff changeset	730 return LValue(genExpression(DE.exp).value);
83 9e90694f5da0 Parse array indexing, and allow reading from arrays Anders Halager <halager@gmail.com> parents: 82 diff changeset	731 case ExpType.Index:
9e90694f5da0 Parse array indexing, and allow reading from arrays Anders Halager <halager@gmail.com> parents: 82 diff changeset	732 auto indexExp = cast(IndexExp)exp;
85 9375bd975730 Allow indexing of pointers also Anders Halager <halager@gmail.com> parents: 83 diff changeset	733 auto type = indexExp.target.type;
83 9e90694f5da0 Parse array indexing, and allow reading from arrays Anders Halager <halager@gmail.com> parents: 82 diff changeset	734 auto index = genExpression(indexExp.index);
9e90694f5da0 Parse array indexing, and allow reading from arrays Anders Halager <halager@gmail.com> parents: 82 diff changeset	735 Value[2] gep_indices;
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	736 gep_indices[0] = ZeroIndex;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	737 gep_indices[1] = index.value;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	738 Value res;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	739 auto target = genLValue(indexExp.target).getAddress();
136 2be29b296081 Lots of changes: johnsen@johnsen-laptop parents: 129 diff changeset	740 if (type.isStaticArray())
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	741 res = b.buildGEP(target, gep_indices[0 .. 2], "index");
85 9375bd975730 Allow indexing of pointers also Anders Halager <halager@gmail.com> parents: 83 diff changeset	742 else if (type.isPointer())
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	743 res = b.buildGEP(target, gep_indices[1 .. 2], "index");
85 9375bd975730 Allow indexing of pointers also Anders Halager <halager@gmail.com> parents: 83 diff changeset	744 else assert(0, "Can only index pointers and arrays");
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	745 return LValue(res);
55 79cb0afafabe Now structs are somewhat useable to use. Anders Johnsen <skabet@gmail.com> parents: 54 diff changeset	746 case ExpType.MemberReference:
79cb0afafabe Now structs are somewhat useable to use. Anders Johnsen <skabet@gmail.com> parents: 54 diff changeset	747 auto mem = cast(MemberReference)exp;
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	748 switch (mem.target.expType)
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	749 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	750 case ExpType.Identifier:
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	751 auto id = cast(Identifier)mem.target;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	752 auto child = mem.child;
93 621cedba53ea Removed the Symbol from semantics - it was not needed anymore. From now on you set the type by doing a setType on an Identifier. Anders Johnsen <skabet@gmail.com> parents: 92 diff changeset	753 Value v = table.find(id.get);
621cedba53ea Removed the Symbol from semantics - it was not needed anymore. From now on you set the type by doing a setType on an Identifier. Anders Johnsen <skabet@gmail.com> parents: 92 diff changeset	754 DType t = id.type;
173 50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	755 if (auto st = t.asStruct)
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	756 {
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	757 int i = st.indexOf(child.get);
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	758 if (i == -1)
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	759 {
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	760 auto fname = mem.getSymbol.getMangledFQN();
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	761 auto f = m.getNamedFunction(fname);
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	762 return LValue(f);
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	763 }
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	764
173 50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	765 Value[2] vals;
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	766 vals[0] = ZeroIndex;
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	767 vals[1] = ConstantInt.GetU(IntegerType.Int32, i);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	768
173 50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	769 Value val = b.buildGEP(v, vals, id.get~"."~child.get);
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	770 return LValue(val);
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	771 }
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	772 else if (auto ct = t.asClass)
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	773 {
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	774 int i = ct.indexOf(child.get);
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	775 Value[2] vals;
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	776 vals[0] = ZeroIndex;
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	777 // A normal member
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	778 if (i != -1)
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	779 {
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	780 vals[1] = ConstantInt.GetU(IntegerType.Int32, i);
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	781 Value val = b.buildGEP(v, vals, id.get~"."~child.get);
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	782 return LValue(val);
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	783 }
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	784 // A method
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	785 else
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	786 {
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	787 vals[1] = ZeroIndex;
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	788 //vals[1] = ConstantInt.GetU(IntegerType.Int32, 1);
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	789 auto vtbl_name = ct.name ~ "_vtable";
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	790 auto vtbl = m.getNamedGlobal(vtbl_name);
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	791 v = vtbl;
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	792 }
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	793
173 50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	794 Value val = b.buildGEP(v, vals, id.get~"."~child.get);
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	795 return LValue(val);
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	796 }
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	797 else
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	798 assert(0, "Can only access members in classes "
50b98a06a200 Start of support for virtual functions Anders Halager <halager@gmail.com> parents: 171 diff changeset	799 "and structs");
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	800
72 628cb46ab13b First update on the way to Arrays! :) Anders Johnsen <skabet@gmail.com> parents: 70 diff changeset	801 case ExpType.MemberReference:
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	802 auto addr = genLValue(mem.target).getAddress();
72 628cb46ab13b First update on the way to Arrays! :) Anders Johnsen <skabet@gmail.com> parents: 70 diff changeset	803 auto child = mem.child;
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	804 DStruct t = mem.target.type.asStruct();
72 628cb46ab13b First update on the way to Arrays! :) Anders Johnsen <skabet@gmail.com> parents: 70 diff changeset	805
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	806 int i = t.indexOf(child.get);
72 628cb46ab13b First update on the way to Arrays! :) Anders Johnsen <skabet@gmail.com> parents: 70 diff changeset	807
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	808 Value[2] vals;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	809 vals[0] = ZeroIndex;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	810 vals[1] = ConstantInt.GetU(IntegerType.Int32, i);
72 628cb46ab13b First update on the way to Arrays! :) Anders Johnsen <skabet@gmail.com> parents: 70 diff changeset	811
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	812 Value val = b.buildGEP(addr, vals, "."~child.get);
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	813 return LValue(val);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	814 }
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	815 break;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	816 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	817 assert(0, "Reached end of switch in getPointer");
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	818 return LValue(null);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	819 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	820
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	821 /**
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	822 Store into an lvalue from a rvalue. Both are assumed to have type t.
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	823 **/
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	824 void storeThroughLValue(LValue dst, RValue src, DType t)
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	825 {
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	826 Value to = dst.getAddress();
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	827 Value from = src.value;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	828
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	829 auto a = cast(PointerType)to.type;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	830 assert(a !is null, "Can only store through pointers");
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	831
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	832 if (auto st = t.asStruct())
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	833 genMemcpy(to, from, t);
160 6cb2f4201e2a Improved static arrays Anders Halager <halager@gmail.com> parents: 155 diff changeset	834 else if (auto sa = t.asStaticArray())
6cb2f4201e2a Improved static arrays Anders Halager <halager@gmail.com> parents: 155 diff changeset	835 genMemcpy(to, from, t, sa.arrayOf.byteSize);
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	836 else
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	837 b.buildStore(from, to);
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	838 }
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	839
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	840 /**
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	841 Copy from src into dst. The values are assumed to have the same size,
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	842 and the amount of bytes to copy is taken from t.
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	843 **/
160 6cb2f4201e2a Improved static arrays Anders Halager <halager@gmail.com> parents: 155 diff changeset	844 void genMemcpy(Value dst, Value src, DType t, int alignment = 16)
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	845 {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	846 Value from = b.buildBitCast(src, BytePtr, ".copy_from");
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	847 Value to = b.buildBitCast(dst, BytePtr, ".copy_to");
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	848 Value[4] args;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	849 args[0] = to;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	850 args[1] = from;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	851 args[2] = ConstantInt.GetS(Type.Int32, t.byteSize());
160 6cb2f4201e2a Improved static arrays Anders Halager <halager@gmail.com> parents: 155 diff changeset	852 args[3] = ConstantInt.GetS(Type.Int32, alignment);
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	853 b.buildCall(llvm_memcpy, args[], null);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	854 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	855
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	856 /**
120 7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	857 Generate the statements necessary to convert V, from type 'from' to type
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	858 'to'.
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	859 **/
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	860 RValue genTypeCast(RValue V, DType from, DType to)
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	861 {
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	862 Value delegate(Value, Type, char[]) extend, trunc;
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	863 if(auto ito = to.asInteger())
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	864 {
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	865 extend = ito.unsigned? &b.buildZExt : &b.buildSExt;
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	866 trunc = &b.buildTrunc;
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	867 if(auto rfrom = from.isReal())
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	868 {
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	869 extend = ito.unsigned? &b.buildFPToUI : &b.buildFPToSI;
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	870 trunc = extend;
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	871 }
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	872 }
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	873 else if (auto rto = to.asReal())
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	874 {
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	875 extend = &b.buildFPExt;
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	876 trunc = &b.buildFPTrunc;
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	877 if(auto ifrom = from.isInteger())
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	878 {
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	879 extend = rto.unsigned? &b.buildUIToFP : &b.buildSIToFP;
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	880 trunc = extend;
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	881 }
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	882 }
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	883 else
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	884 assert(0, "implicit cast need implimentation");
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	885
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	886 Value res;
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	887 if (from.byteSize() < to.byteSize())
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	888 res = extend(V.value, llvm(to), "ext");
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	889 else
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	890 res = trunc(V.value, llvm(to), "trunc");
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	891 return RValue(res);
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	892 }
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	893
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	894 /**
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	895 Given the address of something, load it into an alloc.
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	896 **/
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	897 RValue loadLValue(LValue addr, char[] name = null)
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	898 {
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	899 Value val = addr.getAddress();
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	900 if (name is null)
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	901 name = val.name.length > 0? val.name : "load";
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	902
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	903 auto res = b.buildLoad(val, name);
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	904 return RValue(res);
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	905 }
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	906
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	907 /// Get the mangled name of a function
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	908 char[] symbolName(FuncDecl f)
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	909 {
143 d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	910 if (f.att.getExtern == Extern.D)
d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	911 return f.sym.getMangledFQN();
d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	912 return f.sym.getName;
d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	913 }
d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	914
d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	915 char[] symbolName(Exp f)
d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	916 {
d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	917 if (f.getSymbol.decl.att.getExtern == Extern.D)
d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	918 return f.getSymbol.getMangledFQN();
d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	919 return f.getSymbol.getName;
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	920 }
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	921
120 7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	922 /**
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	923 Get the LLVM Type corresponding to a DType.
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	924
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	925 Currently using the built-in associative array - not sure if it works
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	926 well when the hashes are so uniform.
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	927
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	928 Other possibilities would be to find a hash-function that works on
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	929 something as small as 4 bytes or to create a sparse array perhaps.
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	930 */
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	931 Type llvm(DType t)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	932 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	933 if (auto llvm_t = t in type_map)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	934 return *llvm_t;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	935 return llvmCreateNew(t);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	936 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	937
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	938 // Create an LLVM type and insert it into the type map, and return the
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	939 // result
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	940 Type llvmCreateNew(DType t)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	941 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	942 if (auto i = cast(DInteger)t)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	943 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	944 Type res = IntegerType.Get(i.byteSize() * 8);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	945 type_map[t] = res;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	946 return res;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	947 }
64 91f10c34cd7b Fixed some bugs, removed the function gathering pass in codegen and types are Anders Halager <halager@gmail.com> parents: 63 diff changeset	948 else if (auto s = t.asStruct)
53 da551f90e03f Added struct decl and forward ref. A note on structs: they need to make a new scope when declared. Otherwise you could access struct members as globals Anders Johnsen <skabet@gmail.com> parents: 52 diff changeset	949 {
58 fc62c5296a1c Add types to our Exp Anders Halager <halager@gmail.com> parents: 57 diff changeset	950 SmallArray!(Type, 8) members;
68 381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	951 DType[] array;
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	952 array.length = s.members.length;
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	953
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	954 foreach (m; s.members)
68 381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	955 array[m.index] = m.type;
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	956
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	957 foreach (m; array)
68 381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing... Anders Johnsen <skabet@gmail.com> parents: 67 diff changeset	958 members ~= llvm(m);
53 da551f90e03f Added struct decl and forward ref. A note on structs: they need to make a new scope when declared. Otherwise you could access struct members as globals Anders Johnsen <skabet@gmail.com> parents: 52 diff changeset	959
58 fc62c5296a1c Add types to our Exp Anders Halager <halager@gmail.com> parents: 57 diff changeset	960 Type res = StructType.Get(members.unsafe());
53 da551f90e03f Added struct decl and forward ref. A note on structs: they need to make a new scope when declared. Otherwise you could access struct members as globals Anders Johnsen <skabet@gmail.com> parents: 52 diff changeset	961 type_map[t] = res;
166 9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	962 m.addTypeName("struct." ~ s.name, res);
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	963 return res;
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	964 }
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	965 else if (auto c = t.asClass)
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	966 {
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	967 SmallArray!(Type) members;
171 f0385c044065 Make function overloads work in the codegen Anders Halager <halager@gmail.com> parents: 166 diff changeset	968 if (c.members.length > 0)
166 9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	969 {
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	970 DType[] array;
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	971 array.length = c.members.length;
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	972
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	973 foreach (m; c.members)
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	974 array[m.index] = m.type;
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	975
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	976 foreach (m; array)
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	977 members ~= llvm(m);
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	978 }
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	979 else members ~= Type.Int32;
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	980
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	981 Type res = StructType.Get(members.unsafe());
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	982 res = PointerType.Get(res);
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	983 type_map[t] = res;
9cfa33517526 Codegen support for new expressions (very lame so far) Anders Halager <halager@gmail.com> parents: 160 diff changeset	984 m.addTypeName("class." ~ c.name, res);
53 da551f90e03f Added struct decl and forward ref. A note on structs: they need to make a new scope when declared. Otherwise you could access struct members as globals Anders Johnsen <skabet@gmail.com> parents: 52 diff changeset	985 return res;
da551f90e03f Added struct decl and forward ref. A note on structs: they need to make a new scope when declared. Otherwise you could access struct members as globals Anders Johnsen <skabet@gmail.com> parents: 52 diff changeset	986 }
64 91f10c34cd7b Fixed some bugs, removed the function gathering pass in codegen and types are Anders Halager <halager@gmail.com> parents: 63 diff changeset	987 else if (auto f = t.asFunction)
59 1d6f4ad38a91 Make most of the tests pass again Anders Halager <halager@gmail.com> parents: 58 diff changeset	988 {
64 91f10c34cd7b Fixed some bugs, removed the function gathering pass in codegen and types are Anders Halager <halager@gmail.com> parents: 63 diff changeset	989 // We should never have a function returning structs, because of
91f10c34cd7b Fixed some bugs, removed the function gathering pass in codegen and types are Anders Halager <halager@gmail.com> parents: 63 diff changeset	990 // the simplify step
91f10c34cd7b Fixed some bugs, removed the function gathering pass in codegen and types are Anders Halager <halager@gmail.com> parents: 63 diff changeset	991 assert(f.returnType.isStruct() == false, "Can't return structs");
91f10c34cd7b Fixed some bugs, removed the function gathering pass in codegen and types are Anders Halager <halager@gmail.com> parents: 63 diff changeset	992 Type ret_t = llvm(f.returnType);
91f10c34cd7b Fixed some bugs, removed the function gathering pass in codegen and types are Anders Halager <halager@gmail.com> parents: 63 diff changeset	993
59 1d6f4ad38a91 Make most of the tests pass again Anders Halager <halager@gmail.com> parents: 58 diff changeset	994 SmallArray!(Type, 8) params;
1d6f4ad38a91 Make most of the tests pass again Anders Halager <halager@gmail.com> parents: 58 diff changeset	995 foreach(param; f.params)
64 91f10c34cd7b Fixed some bugs, removed the function gathering pass in codegen and types are Anders Halager <halager@gmail.com> parents: 63 diff changeset	996 if (param.isStruct)
91f10c34cd7b Fixed some bugs, removed the function gathering pass in codegen and types are Anders Halager <halager@gmail.com> parents: 63 diff changeset	997 params ~= PointerType.Get(llvm(param));
86 29f486ccc203 Fixed a bug that made arrays as params fail big time Anders Johnsen <skabet@gmail.com> parents: 85 diff changeset	998 else if (param.isArray)
29f486ccc203 Fixed a bug that made arrays as params fail big time Anders Johnsen <skabet@gmail.com> parents: 85 diff changeset	999 params ~= PointerType.Get(llvm(param));
64 91f10c34cd7b Fixed some bugs, removed the function gathering pass in codegen and types are Anders Halager <halager@gmail.com> parents: 63 diff changeset	1000 else
91f10c34cd7b Fixed some bugs, removed the function gathering pass in codegen and types are Anders Halager <halager@gmail.com> parents: 63 diff changeset	1001 params ~= llvm(param);
59 1d6f4ad38a91 Make most of the tests pass again Anders Halager <halager@gmail.com> parents: 58 diff changeset	1002
1d6f4ad38a91 Make most of the tests pass again Anders Halager <halager@gmail.com> parents: 58 diff changeset	1003 Type res = FunctionType.Get(ret_t, params.unsafe());
1d6f4ad38a91 Make most of the tests pass again Anders Halager <halager@gmail.com> parents: 58 diff changeset	1004 type_map[t] = res;
1d6f4ad38a91 Make most of the tests pass again Anders Halager <halager@gmail.com> parents: 58 diff changeset	1005 return res;
1d6f4ad38a91 Make most of the tests pass again Anders Halager <halager@gmail.com> parents: 58 diff changeset	1006 }
77 13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x; Anders Johnsen <skabet@gmail.com> parents: 74 diff changeset	1007 else if (auto f = t.asPointer)
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x; Anders Johnsen <skabet@gmail.com> parents: 74 diff changeset	1008 {
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x; Anders Johnsen <skabet@gmail.com> parents: 74 diff changeset	1009 Type res = PointerType.Get(llvm(f.pointerOf));
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x; Anders Johnsen <skabet@gmail.com> parents: 74 diff changeset	1010 type_map[t] = res;
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x; Anders Johnsen <skabet@gmail.com> parents: 74 diff changeset	1011 return res;
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x; Anders Johnsen <skabet@gmail.com> parents: 74 diff changeset	1012 }
136 2be29b296081 Lots of changes: johnsen@johnsen-laptop parents: 129 diff changeset	1013 else if (auto f = t.asStaticArray)
81 110c7e1c4ca2 Now you can declare array Anders Johnsen <skabet@gmail.com> parents: 80 diff changeset	1014 {
110c7e1c4ca2 Now you can declare array Anders Johnsen <skabet@gmail.com> parents: 80 diff changeset	1015 Type res = ArrayType.Get(llvm(f.arrayOf), f.size);
110c7e1c4ca2 Now you can declare array Anders Johnsen <skabet@gmail.com> parents: 80 diff changeset	1016 type_map[t] = res;
110c7e1c4ca2 Now you can declare array Anders Johnsen <skabet@gmail.com> parents: 80 diff changeset	1017 return res;
110c7e1c4ca2 Now you can declare array Anders Johnsen <skabet@gmail.com> parents: 80 diff changeset	1018 }
59 1d6f4ad38a91 Make most of the tests pass again Anders Halager <halager@gmail.com> parents: 58 diff changeset	1019 assert(0, "Only integers, structs and functions are supported");
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1020 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1021
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1022 // Might as well insert all the basic types from the start
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1023 void createBasicTypes()
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1024 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1025 type_map[DType.Void] = Type.Void;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1026
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1027 type_map[DType.Bool] = Type.Int1;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1028 type_map[DType.Byte] = Type.Int8;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1029 type_map[DType.UByte] = Type.Int8;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1030 type_map[DType.Short] = Type.Int16;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1031 type_map[DType.UShort] = Type.Int16;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1032 type_map[DType.Int] = Type.Int32;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1033 type_map[DType.UInt] = Type.Int32;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1034 type_map[DType.Long] = Type.Int64;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1035 type_map[DType.ULong] = Type.Int64;
118 54585ad7e426 Added the DType -> llvm type mapping for some more types Anders Halager <halager@gmail.com> parents: 117 diff changeset	1036
54585ad7e426 Added the DType -> llvm type mapping for some more types Anders Halager <halager@gmail.com> parents: 117 diff changeset	1037 type_map[DType.Float] = Type.Float;
54585ad7e426 Added the DType -> llvm type mapping for some more types Anders Halager <halager@gmail.com> parents: 117 diff changeset	1038 type_map[DType.Double] = Type.Double;
54585ad7e426 Added the DType -> llvm type mapping for some more types Anders Halager <halager@gmail.com> parents: 117 diff changeset	1039 type_map[DType.Real] = Type.X86_FP80;
54585ad7e426 Added the DType -> llvm type mapping for some more types Anders Halager <halager@gmail.com> parents: 117 diff changeset	1040
54585ad7e426 Added the DType -> llvm type mapping for some more types Anders Halager <halager@gmail.com> parents: 117 diff changeset	1041 type_map[DType.Char] = Type.Int8;
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	1042 type_map[DType.WChar] = Type.Int16;
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	1043 type_map[DType.DChar] = Type.Int32;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1044 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1045
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1046 private:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1047
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1048 // llvm stuff
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1049 DModule mod;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1050 .llvm.llvm.Module m;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1051 Builder b;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1052 Function llvm_memcpy;
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1053 ConstantInt ZeroIndex;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1054 Type BytePtr;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1055 Type[DType] type_map;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1056
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1057 SimpleSymbolTable table;
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1058 }
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1059
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1060 private Operator op2op(BinaryExp.Operator op)
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1061 {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1062 alias BinaryExp.Operator O;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1063 Operator res;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1064 switch (op) {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1065 case O.Add: res = Operator.Add; break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1066 case O.Sub: res = Operator.Sub; break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1067 case O.Mul: res = Operator.Mul; break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1068 case O.Div: res = Operator.Div; break;
125 d604152de1eb Support shifts and binary logical operators in codegen Anders Halager <halager@gmail.com> parents: 121 diff changeset	1069 case O.LeftShift: res = Operator.Shl; break;
d604152de1eb Support shifts and binary logical operators in codegen Anders Halager <halager@gmail.com> parents: 121 diff changeset	1070 case O.RightShift: res = Operator.AShr; break;
d604152de1eb Support shifts and binary logical operators in codegen Anders Halager <halager@gmail.com> parents: 121 diff changeset	1071 case O.UnsignedRightShift: res = Operator.LShr; break;
d604152de1eb Support shifts and binary logical operators in codegen Anders Halager <halager@gmail.com> parents: 121 diff changeset	1072
d604152de1eb Support shifts and binary logical operators in codegen Anders Halager <halager@gmail.com> parents: 121 diff changeset	1073 case O.And: res = Operator.And; break;
d604152de1eb Support shifts and binary logical operators in codegen Anders Halager <halager@gmail.com> parents: 121 diff changeset	1074 case O.Or: res = Operator.Or; break;
d604152de1eb Support shifts and binary logical operators in codegen Anders Halager <halager@gmail.com> parents: 121 diff changeset	1075 case O.Xor: res = Operator.Xor; break;
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1076
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1077 case O.Eq: res = Operator.Eq; break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1078 case O.Ne: res = Operator.Ne; break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1079 case O.Lt: res = Operator.Lt; break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1080 case O.Le: res = Operator.Le; break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1081 case O.Gt: res = Operator.Gt; break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1082 case O.Ge: res = Operator.Ge; break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1083 }
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1084 return res;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1085 }
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1086
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1087 private struct LLVMPred
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1088 {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1089 bool isValid = false;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1090 bool isReal;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1091 union {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1092 IntPredicate intPred;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1093 RealPredicate realPred;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1094 }
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1095
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1096 static LLVMPred Int(IntPredicate p)
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1097 {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1098 LLVMPred res;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1099 res.isValid = true;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1100 res.isReal = false;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1101 res.intPred = p;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1102 return res;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1103 }
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1104 static LLVMPred Real(RealPredicate p)
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1105 {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1106 LLVMPred res;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1107 res.isValid = true;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1108 res.isReal = true;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1109 res.realPred = p;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1110 return res;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1111 }
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1112 }
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1113 private LLVMPred predFromBI(BuiltinOperation op)
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1114 {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1115 alias BuiltinOperation O;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1116 LLVMPred pred;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1117 switch (op) {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1118 case O.Eq: pred = LLVMPred.Int(IntPredicate.EQ); break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1119 case O.Ne: pred = LLVMPred.Int(IntPredicate.NE); break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1120
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1121 case O.SLt: pred = LLVMPred.Int(IntPredicate.SLT); break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1122 case O.ULt: pred = LLVMPred.Int(IntPredicate.ULT); break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1123 case O.FLt: pred = LLVMPred.Real(RealPredicate.OLT); break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1124
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1125 case O.SLe: pred = LLVMPred.Int(IntPredicate.SLE); break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1126 case O.ULe: pred = LLVMPred.Int(IntPredicate.ULE); break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1127 case O.FLe: pred = LLVMPred.Real(RealPredicate.OLE); break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1128
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1129 case O.SGt: pred = LLVMPred.Int(IntPredicate.SGT); break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1130 case O.UGt: pred = LLVMPred.Int(IntPredicate.UGT); break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1131 case O.FGt: pred = LLVMPred.Real(RealPredicate.OGT); break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1132
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1133 case O.SGe: pred = LLVMPred.Int(IntPredicate.SGE); break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1134 case O.UGe: pred = LLVMPred.Int(IntPredicate.UGE); break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1135 case O.FGe: pred = LLVMPred.Real(RealPredicate.OGE); break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1136 };
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1137 return pred;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1138 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1139
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1140 private class VisitFuncDecls : Visitor!(void)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1141 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1142 void delegate(FuncDecl) dg;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1143 this(void delegate(FuncDecl funcDecl) dg)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1144 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1145 this.dg = dg;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1146 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1147
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	1148 override void visitFuncDecl(FuncDecl fd)
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1149 {
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	1150 dg(fd);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1151 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1152 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1153
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1154 private class SimpleSymbolTable
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1155 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1156 Value[char[]][] namedValues;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1157
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1158 void enterScope()
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1159 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1160 namedValues ~= cast(Value[char[]])["__dollar":null];
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1161 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1162
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1163 void leaveScope()
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1164 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1165 namedValues.length = namedValues.length - 1;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1166 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1167
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1168 Value put(Value val, char[] key)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1169 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1170 namedValues[$ - 1][key] = val;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1171 return val;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1172 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1173
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1174 Value find(char[] key)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1175 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1176 foreach_reverse (map; namedValues)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1177 if(auto val_ptr = key in map)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1178 return *val_ptr;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1179 return null;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1180 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1181
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1182 alias find opIndex;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1183 alias put opIndexAssign;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1184 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1185

Mercurial > projects > dang

annotate gen/CodeGen.d @ 183:8ea749b7da91