projects/dang: gen/CodeGen.d annotate

annotate gen/CodeGen.d @ 155:2149f4a7b48d

Codegen for statements

author	Anders Halager <halager@gmail.com>
date	Mon, 21 Jul 2008 22:12:33 +0200
parents	d76cc5cad4fc
children	6cb2f4201e2a

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;
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	98 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	99 {
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	100 DType t = p.identifier.type;
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	101 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	102 {
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 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	104 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	105 }
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	106 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	107 {
29f486ccc203 Fixed a bug that made arrays as params fail big time Anders Johnsen <skabet@gmail.com> parents: 85 diff changeset	108 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	109 param_types ~= pointer;
29f486ccc203 Fixed a bug that made arrays as params fail big time Anders Johnsen <skabet@gmail.com> parents: 85 diff changeset	110 }
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	111 else
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 param_types ~= llvm(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	113 }
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	114 auto ret_t = fd.identifier.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	115 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	116 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	117 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	118 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	119 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	120 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	121
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 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	123 {
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 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	125 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	126
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	127 DType t = p.identifier.type;
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	128 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	129 {
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	130 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	131 continue;
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	132 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	133 }
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	134 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	135 {
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	136 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	137 }
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	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 };
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	140 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	141 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	142 // 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	143 // 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	144 // 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	145 // 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	146 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	147
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	148 foreach (decl; mod.decls)
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	149 genRootDecl(decl);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	150
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	151 table.leaveScope;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	152
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	153 // debug m.verify();
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	154
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	155 if(optimize)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	156 m.optimize(inline);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	157
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	158 m.writeBitcodeToFileHandle(handle);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	159 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	160
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	161 private:
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	162 /**
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	163 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	164 **/
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	165 void genRootDecl(Decl decl)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	166 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	167 switch(decl.declType)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	168 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	169 case DeclType.FuncDecl:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	170 FuncDecl funcDecl = cast(FuncDecl)decl;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	171
82 06dda301ea61 Can declare outside functions and call c-functions Anders Johnsen <skabet@gmail.com> parents: 81 diff changeset	172 // Empty function - declare;
06dda301ea61 Can declare outside functions and call c-functions Anders Johnsen <skabet@gmail.com> parents: 81 diff changeset	173 if(funcDecl.emptyFunction)
06dda301ea61 Can declare outside functions and call c-functions Anders Johnsen <skabet@gmail.com> parents: 81 diff changeset	174 return;
06dda301ea61 Can declare outside functions and call c-functions Anders Johnsen <skabet@gmail.com> parents: 81 diff changeset	175
64 91f10c34cd7b Fixed some bugs, removed the function gathering pass in codegen and types are Anders Halager <halager@gmail.com> parents: 63 diff changeset	176 llvm(funcDecl.type);
143 d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	177 auto llfunc = m.getNamedFunction(symbolName(funcDecl));
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	178 auto func_tp = cast(PointerType)llfunc.type;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	179 auto func_t = cast(FunctionType)func_tp.elementType();
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	180 auto ret_t = func_t.returnType();
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	181
86 29f486ccc203 Fixed a bug that made arrays as params fail big time Anders Johnsen <skabet@gmail.com> parents: 85 diff changeset	182
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	183 auto bb = llfunc.appendBasicBlock("entry");
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	184 b.positionAtEnd(bb);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	185
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	186 table.enterScope;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	187 foreach (i, v; funcDecl.funcArgs)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	188 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	189 llfunc.getParam(i).name = v.identifier.get;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	190 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	191 if (!cast(PointerType)llfunc.getParam(i).type)
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	192 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	193 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	194 // Value va = b.buildLoad(val, name);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	195 b.buildStore(llfunc.getParam(i), AI);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	196 table[name] = AI;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	197 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	198 else
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	199 table[name] = llfunc.getParam(i);
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
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	202 foreach (stmt; funcDecl.statements)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	203 genStmt(stmt);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	204
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	205 // 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	206 // add one (return 0 as default)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	207 if (b.getInsertBlock().terminated() is false)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	208 if (ret_t is Type.Void)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	209 b.buildRetVoid();
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	210 else
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	211 b.buildRet(ConstantInt.GetS(ret_t, 0));
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	212
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	213 table.leaveScope;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	214 break;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	215
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	216 case DeclType.VarDecl:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	217 auto varDecl = cast(VarDecl)decl;
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	218 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	219 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	220 GlobalVariable g = m.addGlobal(t, id.get);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	221 g.initializer = ConstantInt.GetS(t, 0);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	222 table[varDecl.identifier.get] = g;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	223 break;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	224
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	225 default:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	226 break;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	227 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	228 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	229
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	230 /**
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	231 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	232 **/
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	233 void genDecl(Decl decl)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	234 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	235 switch(decl.declType)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	236 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	237 case DeclType.VarDecl:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	238 auto varDecl = cast(VarDecl)decl;
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	239 auto id = varDecl.identifier;
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	240 auto name = id.get;
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	241 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	242 table[name] = AI;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	243 if (varDecl.init)
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	244 {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	245 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	246 RValue src = genExpression(varDecl.init);
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	247 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	248 }
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	249 break;
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	250
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	251 case DeclType.FuncDecl:
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	252 genRootDecl(decl);
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	253 break;
137 efbf51d85f4d No reason to explicitly add structs as llvm types Anders Halager <halager@gmail.com> parents: 136 diff changeset	254
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	255 default:
138 b61de188cd0d Removed some unused code Anders Halager <halager@gmail.com> parents: 137 diff changeset	256 break;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	257 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	258 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	259
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	260 // Remove - do it right (basic/Messages.d)
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	261 struct PE
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 static char[] NoImplicitConversion =
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	264 "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	265 static char[] VoidRetInNonVoidFunc =
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	266 "Only void functions can return without an expression";
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	267 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	268
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	269 /**
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	270 Generate a single expression.
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	271
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	272 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	273 returns an RValue.
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	274 **/
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	275 RValue genExpression(Exp exp)
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	276 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	277 switch(exp.expType)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	278 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	279 case ExpType.Binary:
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	280 return RValue(genBinExp(cast(BinaryExp)exp));
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	281 case ExpType.IntegerLit:
119 c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	282 auto integerLit = cast(IntegerLit)exp;
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	283 switch(integerLit.number.type)
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	284 {
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	285 case NumberType.Int:
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	286 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	287 case NumberType.Long:
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	288 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	289 case NumberType.ULong:
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	290 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	291 case NumberType.Float:
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	292 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	293 case NumberType.Double:
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	294 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	295 case NumberType.Real:
c0b531362ca6 Non compileing commit. Work on floating points and casts Anders Johnsen <skabet@gmail.com> parents: 118 diff changeset	296 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	297 }
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	298 case ExpType.Negate:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	299 auto negateExp = cast(NegateExp)exp;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	300 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	301 return RValue(b.buildNeg(target.value, "neg"));
78 ad956143dcdc Parse and gen for dereferences Anders Halager <halager@gmail.com> parents: 74 diff changeset	302 case ExpType.Deref:
ad956143dcdc Parse and gen for dereferences Anders Halager <halager@gmail.com> parents: 74 diff changeset	303 auto derefExp = cast(DerefExp)exp;
ad956143dcdc Parse and gen for dereferences Anders Halager <halager@gmail.com> parents: 74 diff changeset	304 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	305 return RValue(b.buildLoad(target.value, "deref"));
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	306 case ExpType.AssignExp:
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	307 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	308 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	309 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	310 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	311 return src;
83 9e90694f5da0 Parse array indexing, and allow reading from arrays Anders Halager <halager@gmail.com> parents: 82 diff changeset	312 case ExpType.Index:
9e90694f5da0 Parse array indexing, and allow reading from arrays Anders Halager <halager@gmail.com> parents: 82 diff changeset	313 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	314 return loadLValue(genLValue(exp));
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	315 case ExpType.CallExp:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	316 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	317 // 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	318 // valid call - or foo(x)(y) for that matter.
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	319
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	320 // 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	321 // if function ptr: do something else
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	322 // if delegate do a third thing
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	323 // if struct/class check for opCall
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	324 DType type = callExp.exp.type;
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	325 assert (type.isFunction(), "Can only call functions");
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	326 auto sym = callExp.exp.getSymbol();
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	327 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	328 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	329 args[i] = genExpression(arg).value;
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	330 llvm(type);
143 d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	331 auto f = m.getNamedFunction(symbolName(callExp.exp));
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	332 DFunction f_type = type.asFunction();
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	333 bool isVoid = f_type.returnType is DType.Void;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	334 // BUG: doesn't do implicit type-conversion on args
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	335 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	336 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	337 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	338 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	339 exp = castExp.exp;
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	340 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	341
120 7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	342 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	343 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	344
120 7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	345 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	346
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	347 case ExpType.Identifier:
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	348 auto id = cast(Identifier)exp;
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	349 if(id.type.isStruct() \|\| id.type.isArray())
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	350 return RValue(table.find(id.get));
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	351 else
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	352 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	353 case ExpType.MemberReference:
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	354 return loadLValue(genLValue(exp));
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	355 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	356 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	357 return RValue(null);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	358 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	359
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	360 /**
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	361 Generate a binary expression.
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	362
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	363 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	364 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	365 **/
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	366 Value genBinExp(BinaryExp e)
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	367 {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	368 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	369 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	370 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	371 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	372
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	373 Value res;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	374 // 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	375 // TODO: support floats
116 0cd8d6ab3f89 Add in the types for float and co. Anders Halager <halager@gmail.com> parents: 113 diff changeset	376 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	377 {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	378 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	379 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	380 "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	381 alias BuiltinOperation BO;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	382 BO val = op.builtinOp();
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	383 // 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	384 switch (val) {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	385 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	386 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	387 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	388 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	389 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	390 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	391 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	392 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	393 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	394
d604152de1eb Support shifts and binary logical operators in codegen Anders Halager <halager@gmail.com> parents: 121 diff changeset	395 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	396 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	397 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	398
d604152de1eb Support shifts and binary logical operators in codegen Anders Halager <halager@gmail.com> parents: 121 diff changeset	399 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	400 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	401 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	402
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	403 default:
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	404 LLVMPred pred = predFromBI(val);
121 95dfe2f48dcf Allow == and != on reals Anders Halager <halager@gmail.com> parents: 120 diff changeset	405 if (t_a.isReal())
95dfe2f48dcf Allow == and != on reals Anders Halager <halager@gmail.com> parents: 120 diff changeset	406 if (val == BO.Eq)
95dfe2f48dcf Allow == and != on reals Anders Halager <halager@gmail.com> parents: 120 diff changeset	407 pred = LLVMPred.Real(RealPredicate.OEQ);
95dfe2f48dcf Allow == and != on reals Anders Halager <halager@gmail.com> parents: 120 diff changeset	408 else if (val == BO.Ne)
95dfe2f48dcf Allow == and != on reals Anders Halager <halager@gmail.com> parents: 120 diff changeset	409 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	410 IntPredicate ip = pred.intPred;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	411 RealPredicate rp = pred.realPred;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	412 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	413 if (pred.isReal)
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	414 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	415 else
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	416 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	417 break;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	418 }
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	419 }
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	420 else
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	421 /*
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	422 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	423 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	424 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	425 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	426 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	427 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	428 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	429 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	430 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	431 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	432 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	433 else error
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	434 */
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	435 assert(0, "Not integers?");
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	436
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	437 return res;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	438 }
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 /**
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	441 Generates one statement
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 // 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	444 void genStmt(Stmt stmt)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	445 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	446 switch(stmt.stmtType)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	447 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	448 case StmtType.Compound:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	449 auto stmts = cast(CompoundStatement)stmt;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	450 foreach (s; stmts.statements)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	451 genStmt(s);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	452 break;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	453 case StmtType.Return:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	454 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	455 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	456 Type t = llvm(type.returnType);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	457 if (ret.exp is null)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	458 if (t is Type.Void)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	459 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	460 b.buildRetVoid();
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	461 return;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	462 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	463 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	464 assert(0, PE.VoidRetInNonVoidFunc);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	465
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	466 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	467 b.buildRet(v.value);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	468 break;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	469 case StmtType.Decl:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	470 auto declStmt = cast(DeclStmt)stmt;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	471 genDecl(declStmt.decl);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	472 break;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	473 case StmtType.Exp:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	474 auto expStmt = cast(ExpStmt)stmt;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	475 genExpression(expStmt.exp);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	476 break;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	477 case StmtType.If:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	478 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	479 Value cond = genExpression(ifStmt.cond).value;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	480 if (cond.type !is Type.Int1)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	481 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	482 Value False = ConstantInt.GetS(cond.type, 0);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	483 cond = b.buildICmp(IntPredicate.NE, cond, False, ".cond");
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	484 }
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	485 auto func_name = symbolName(stmt.env.parentFunction());
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	486 Function func = m.getNamedFunction(func_name);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	487 bool has_else = (ifStmt.else_body !is null);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	488
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	489 auto thenBB = func.appendBasicBlock("then");
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	490 auto elseBB = has_else? func.appendBasicBlock("else") : null;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	491 auto mergeBB = func.appendBasicBlock("merge");
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	492
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	493 b.buildCondBr(cond, thenBB, has_else? elseBB : mergeBB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	494 b.positionAtEnd(thenBB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	495 genStmt(ifStmt.then_body);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	496 thenBB = b.getInsertBlock();
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	497 if (b.getInsertBlock().terminated() is false)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	498 b.buildBr(mergeBB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	499
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	500 if (has_else)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	501 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	502 b.positionAtEnd(elseBB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	503 genStmt(ifStmt.else_body);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	504 elseBB = b.getInsertBlock();
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	505 if (elseBB.terminated() is false)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	506 b.buildBr(mergeBB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	507 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	508
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	509 b.positionAtEnd(mergeBB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	510 break;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	511 case StmtType.While:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	512 auto wStmt = cast(WhileStmt)stmt;
155 2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	513 genLoop(stmt.env, wStmt.cond, false, wStmt.whileBody);
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	514 break;
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	515 /+
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	516 case StmtType.DoWhile:
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	517 auto wStmt = cast(DoWhileStmt)stmt;
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	518 genLoop(stmt.env, wStmt.cond, true, wStmt.whileBody);
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	519 break;
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	520 +/
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	521 case StmtType.For:
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	522 auto fStmt = cast(ForStmt)stmt;
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	523 genStmt(fStmt.init);
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	524 scope inc = new ExpStmt(fStmt.incre);
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	525 genLoop(stmt.env, fStmt.cond, false, fStmt.forBody, inc);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	526 break;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	527 case StmtType.Switch:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	528 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	529 Value cond = genExpression(sw.cond).value;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	530
143 d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	531 auto fc = stmt.env.parentFunction();
d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	532 Function func = m.getNamedFunction(symbolName(fc));
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	533
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	534 BasicBlock oldBB = b.getInsertBlock();
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	535 BasicBlock defBB;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	536 BasicBlock endBB = func.appendBasicBlock("sw.end");
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	537 if (sw.defaultBlock)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	538 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	539 defBB = Function.InsertBasicBlock(endBB, "sw.def");
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	540 b.positionAtEnd(defBB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	541 foreach (case_statement; sw.defaultBlock)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	542 genStmt(case_statement);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	543 if (!defBB.terminated())
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	544 b.buildBr(endBB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	545 b.positionAtEnd(oldBB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	546 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	547 else
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	548 defBB = endBB;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	549 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	550 foreach (c; sw.cases)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	551 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	552 BasicBlock prevBB;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	553 foreach (i, val; c.values)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	554 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	555 auto BB = Function.InsertBasicBlock(defBB, "sw.bb");
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	556 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	557
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	558 if (i + 1 == c.values.length)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	559 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	560 b.positionAtEnd(BB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	561 foreach (case_statement; c.stmts)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	562 genStmt(case_statement);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	563 if (!BB.terminated())
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	564 b.buildBr(c.followedByDefault? defBB : endBB);
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
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	567 if (prevBB !is null && !prevBB.terminated())
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	568 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	569 b.positionAtEnd(prevBB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	570 b.buildBr(BB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	571 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	572 prevBB = BB;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	573 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	574 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	575 b.positionAtEnd(endBB);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	576 break;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	577 }
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
155 2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	580 /**
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	581 Generate a loop.
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	582
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	583 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	584
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	585 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	586 like in a do-while loop.
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	587 **/
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	588 void genLoop(Scope env, Exp cond, bool skipFirstCond, Stmt[] stmts...)
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	589 {
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	590 auto fd = env.parentFunction();
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	591 Function func = m.getNamedFunction(symbolName(fd));
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 auto condBB = func.appendBasicBlock("cond");
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	594 auto bodyBB = func.appendBasicBlock("body");
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	595 auto doneBB = func.appendBasicBlock("done");
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	596
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	597 b.buildBr(skipFirstCond? bodyBB : condBB);
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	598 b.positionAtEnd(condBB);
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	599
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	600 Value cond_v = genExpression(cond).value;
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	601 if (cond_v.type !is Type.Int1)
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	602 {
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	603 Value False = ConstantInt.GetS(cond_v.type, 0);
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	604 cond_v = b.buildICmp(IntPredicate.NE, cond_v, False, ".cond");
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	605 }
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	606 b.buildCondBr(cond_v, bodyBB, doneBB);
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	607
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	608 b.positionAtEnd(bodyBB);
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	609 foreach (stmt; stmts)
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	610 genStmt(stmt);
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	611 if (b.getInsertBlock().terminated() is false)
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	612 b.buildBr(condBB);
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	613
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	614 b.positionAtEnd(doneBB);
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	615 }
2149f4a7b48d Codegen for statements Anders Halager <halager@gmail.com> parents: 143 diff changeset	616
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	617 /*
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	618 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	619 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	620 */
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	621 LValue genLValue(Exp exp)
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	622 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	623 switch(exp.expType)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	624 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	625 case ExpType.Identifier:
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	626 auto id = cast(Identifier)exp;
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	627 return LValue(table.find(id.get));
80 682e20aa224f Pointers working now - big YAY Anders Johnsen <skabet@gmail.com> parents: 79 diff changeset	628 case ExpType.Deref:
116 0cd8d6ab3f89 Add in the types for float and co. Anders Halager <halager@gmail.com> parents: 113 diff changeset	629 // LValue(*x): load(x)
0cd8d6ab3f89 Add in the types for float and co. Anders Halager <halager@gmail.com> parents: 113 diff changeset	630 // 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	631 // 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	632 // 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	633 // 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	634 auto DE = cast(DerefExp)exp;
113 244142a21cbc Fix derefs as lvalues Anders Halager <halager@gmail.com> parents: 107 diff changeset	635 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	636 case ExpType.Index:
9e90694f5da0 Parse array indexing, and allow reading from arrays Anders Halager <halager@gmail.com> parents: 82 diff changeset	637 auto indexExp = cast(IndexExp)exp;
85 9375bd975730 Allow indexing of pointers also Anders Halager <halager@gmail.com> parents: 83 diff changeset	638 auto type = indexExp.target.type;
83 9e90694f5da0 Parse array indexing, and allow reading from arrays Anders Halager <halager@gmail.com> parents: 82 diff changeset	639 auto index = genExpression(indexExp.index);
9e90694f5da0 Parse array indexing, and allow reading from arrays Anders Halager <halager@gmail.com> parents: 82 diff changeset	640 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	641 gep_indices[0] = ZeroIndex;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	642 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	643 Value res;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	644 auto target = genLValue(indexExp.target).getAddress();
136 2be29b296081 Lots of changes: johnsen@johnsen-laptop parents: 129 diff changeset	645 if (type.isStaticArray())
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	646 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	647 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	648 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	649 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	650 return LValue(res);
55 79cb0afafabe Now structs are somewhat useable to use. Anders Johnsen <skabet@gmail.com> parents: 54 diff changeset	651 case ExpType.MemberReference:
79cb0afafabe Now structs are somewhat useable to use. Anders Johnsen <skabet@gmail.com> parents: 54 diff changeset	652 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	653 switch (mem.target.expType)
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	654 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	655 case ExpType.Identifier:
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	656 auto id = cast(Identifier)mem.target;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	657 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	658 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	659 DType t = id.type;
64 91f10c34cd7b Fixed some bugs, removed the function gathering pass in codegen and types are Anders Halager <halager@gmail.com> parents: 63 diff changeset	660 auto st = t.asStruct;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	661
55 79cb0afafabe Now structs are somewhat useable to use. Anders Johnsen <skabet@gmail.com> parents: 54 diff changeset	662 int i = st.indexOf(child.get);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	663
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	664 Value[2] vals;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	665 vals[0] = ZeroIndex;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	666 vals[1] = ConstantInt.GetU(IntegerType.Int32, i);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	667
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	668 Value val = b.buildGEP(v, vals, id.get~"."~child.get);
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	669 return LValue(val);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	670
72 628cb46ab13b First update on the way to Arrays! :) Anders Johnsen <skabet@gmail.com> parents: 70 diff changeset	671 case ExpType.MemberReference:
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	672 auto addr = genLValue(mem.target).getAddress();
72 628cb46ab13b First update on the way to Arrays! :) Anders Johnsen <skabet@gmail.com> parents: 70 diff changeset	673 auto child = mem.child;
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	674 DStruct t = mem.target.type.asStruct();
72 628cb46ab13b First update on the way to Arrays! :) Anders Johnsen <skabet@gmail.com> parents: 70 diff changeset	675
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	676 int i = t.indexOf(child.get);
72 628cb46ab13b First update on the way to Arrays! :) Anders Johnsen <skabet@gmail.com> parents: 70 diff changeset	677
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	678 Value[2] vals;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	679 vals[0] = ZeroIndex;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	680 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	681
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	682 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	683 return LValue(val);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	684 }
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	685 break;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	686 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	687 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	688 return LValue(null);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	689 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	690
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	691 /**
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	692 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	693 **/
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	694 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	695 {
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	696 Value to = dst.getAddress();
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	697 Value from = src.value;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	698
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	699 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	700 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	701
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	702 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	703 genMemcpy(to, from, t);
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	704 else
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	705 b.buildStore(from, to);
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	706 }
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	707
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	708 /**
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	709 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	710 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	711 **/
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	712 void genMemcpy(Value dst, Value src, DType t)
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	713 {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	714 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	715 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	716 Value[4] args;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	717 args[0] = to;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	718 args[1] = from;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	719 args[2] = ConstantInt.GetS(Type.Int32, t.byteSize());
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	720 args[3] = ConstantInt.GetS(Type.Int32, 32);
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	721 b.buildCall(llvm_memcpy, args[], null);
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	722 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	723
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	724 /**
120 7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	725 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	726 'to'.
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	727 **/
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	728 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	729 {
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	730 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	731 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	732 {
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	733 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	734 trunc = &b.buildTrunc;
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	735 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	736 {
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	737 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	738 trunc = extend;
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	739 }
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	740 }
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	741 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	742 {
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	743 extend = &b.buildFPExt;
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	744 trunc = &b.buildFPTrunc;
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	745 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	746 {
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	747 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	748 trunc = extend;
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	749 }
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	750 }
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	751 else
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	752 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	753
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	754 Value res;
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	755 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	756 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	757 else
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	758 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	759 return RValue(res);
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	760 }
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	761
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	762 /**
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	763 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	764 **/
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	765 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	766 {
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	767 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	768 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	769 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	770
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	771 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	772 return RValue(res);
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	773 }
7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	774
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	775 /// Get the mangled name of a function
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	776 char[] symbolName(FuncDecl f)
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	777 {
143 d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	778 if (f.att.getExtern == Extern.D)
d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	779 return f.sym.getMangledFQN();
d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	780 return f.sym.getName;
d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	781 }
d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	782
d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	783 char[] symbolName(Exp f)
d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	784 {
d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	785 if (f.getSymbol.decl.att.getExtern == Extern.D)
d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	786 return f.getSymbol.getMangledFQN();
d76cc5cad4fc Added partial support for switches. Anders Johnsen <skabet@gmail.com> parents: 138 diff changeset	787 return f.getSymbol.getName;
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	788 }
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	789
120 7d0898f77685 Implement the cast expression - works for integers and real/float/double Anders Halager <halager@gmail.com> parents: 119 diff changeset	790 /**
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	791 Get the LLVM Type corresponding to a DType.
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	792
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	793 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	794 well when the hashes are so uniform.
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	795
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	796 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	797 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	798 */
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	799 Type llvm(DType t)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	800 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	801 if (auto llvm_t = t in type_map)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	802 return *llvm_t;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	803 return llvmCreateNew(t);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	804 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	805
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	806 // 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	807 // result
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	808 Type llvmCreateNew(DType t)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	809 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	810 if (auto i = cast(DInteger)t)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	811 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	812 Type res = IntegerType.Get(i.byteSize() * 8);
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	813 type_map[t] = res;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	814 return res;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	815 }
64 91f10c34cd7b Fixed some bugs, removed the function gathering pass in codegen and types are Anders Halager <halager@gmail.com> parents: 63 diff changeset	816 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	817 {
58 fc62c5296a1c Add types to our Exp Anders Halager <halager@gmail.com> parents: 57 diff changeset	818 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	819 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	820 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	821
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	822 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	823 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	824
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	825 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	826 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	827
58 fc62c5296a1c Add types to our Exp Anders Halager <halager@gmail.com> parents: 57 diff changeset	828 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	829 type_map[t] = res;
64 91f10c34cd7b Fixed some bugs, removed the function gathering pass in codegen and types are Anders Halager <halager@gmail.com> parents: 63 diff changeset	830 m.addTypeName(s.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	831 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	832 }
64 91f10c34cd7b Fixed some bugs, removed the function gathering pass in codegen and types are Anders Halager <halager@gmail.com> parents: 63 diff changeset	833 else if (auto f = t.asFunction)
59 1d6f4ad38a91 Make most of the tests pass again Anders Halager <halager@gmail.com> parents: 58 diff changeset	834 {
64 91f10c34cd7b Fixed some bugs, removed the function gathering pass in codegen and types are Anders Halager <halager@gmail.com> parents: 63 diff changeset	835 // 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	836 // 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	837 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	838 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	839
59 1d6f4ad38a91 Make most of the tests pass again Anders Halager <halager@gmail.com> parents: 58 diff changeset	840 SmallArray!(Type, 8) params;
1d6f4ad38a91 Make most of the tests pass again Anders Halager <halager@gmail.com> parents: 58 diff changeset	841 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	842 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	843 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	844 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	845 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	846 else
91f10c34cd7b Fixed some bugs, removed the function gathering pass in codegen and types are Anders Halager <halager@gmail.com> parents: 63 diff changeset	847 params ~= llvm(param);
59 1d6f4ad38a91 Make most of the tests pass again Anders Halager <halager@gmail.com> parents: 58 diff changeset	848
1d6f4ad38a91 Make most of the tests pass again Anders Halager <halager@gmail.com> parents: 58 diff changeset	849 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	850 type_map[t] = res;
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	851 /*
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	852 //TODO: create own DType -> FunctionType mapping without names
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	853 auto id = new Identifier(f.name);
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	854 id.setType(f);
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	855
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	856 auto f_name = symbolName(id);
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	857 auto f_t = m.getNamedFunction(f_name);
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	858 if(f_t is null)
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	859 {
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	860 Stdout("oh noes").newline;
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	861 auto llfunc = m.addFunction(res, f_name);
64 91f10c34cd7b Fixed some bugs, removed the function gathering pass in codegen and types are Anders Halager <halager@gmail.com> parents: 63 diff changeset	862
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	863 foreach (i, param; f.params)
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	864 if (param.isStruct)
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	865 llfunc.addParamAttr(i, ParamAttr.ByVal);
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	866
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	867 if (f.firstParamIsReturnValue)
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	868 {
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	869 llfunc.removeParamAttr(0, ParamAttr.ByVal);
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	870 llfunc.addParamAttr(0, ParamAttr.StructRet);
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	871 }
64 91f10c34cd7b Fixed some bugs, removed the function gathering pass in codegen and types are Anders Halager <halager@gmail.com> parents: 63 diff changeset	872 }
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	873 */
59 1d6f4ad38a91 Make most of the tests pass again Anders Halager <halager@gmail.com> parents: 58 diff changeset	874 return res;
1d6f4ad38a91 Make most of the tests pass again Anders Halager <halager@gmail.com> parents: 58 diff changeset	875 }
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	876 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	877 {
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x; Anders Johnsen <skabet@gmail.com> parents: 74 diff changeset	878 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	879 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	880 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	881 }
136 2be29b296081 Lots of changes: johnsen@johnsen-laptop parents: 129 diff changeset	882 else if (auto f = t.asStaticArray)
81 110c7e1c4ca2 Now you can declare array Anders Johnsen <skabet@gmail.com> parents: 80 diff changeset	883 {
110c7e1c4ca2 Now you can declare array Anders Johnsen <skabet@gmail.com> parents: 80 diff changeset	884 Type res = ArrayType.Get(llvm(f.arrayOf), f.size);
110c7e1c4ca2 Now you can declare array Anders Johnsen <skabet@gmail.com> parents: 80 diff changeset	885 type_map[t] = res;
110c7e1c4ca2 Now you can declare array Anders Johnsen <skabet@gmail.com> parents: 80 diff changeset	886 return res;
110c7e1c4ca2 Now you can declare array Anders Johnsen <skabet@gmail.com> parents: 80 diff changeset	887 }
59 1d6f4ad38a91 Make most of the tests pass again Anders Halager <halager@gmail.com> parents: 58 diff changeset	888 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	889 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	890
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	891 // 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	892 void createBasicTypes()
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	893 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	894 type_map[DType.Void] = Type.Void;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	895
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	896 type_map[DType.Bool] = Type.Int1;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	897 type_map[DType.Byte] = Type.Int8;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	898 type_map[DType.UByte] = Type.Int8;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	899 type_map[DType.Short] = Type.Int16;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	900 type_map[DType.UShort] = Type.Int16;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	901 type_map[DType.Int] = Type.Int32;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	902 type_map[DType.UInt] = Type.Int32;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	903 type_map[DType.Long] = Type.Int64;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	904 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	905
54585ad7e426 Added the DType -> llvm type mapping for some more types Anders Halager <halager@gmail.com> parents: 117 diff changeset	906 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	907 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	908 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	909
54585ad7e426 Added the DType -> llvm type mapping for some more types Anders Halager <halager@gmail.com> parents: 117 diff changeset	910 type_map[DType.Char] = Type.Int8;
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	911 type_map[DType.WChar] = Type.Int16;
ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	912 type_map[DType.DChar] = Type.Int32;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	913 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	914
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	915 private:
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	916
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	917 // llvm stuff
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	918 DModule mod;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	919 .llvm.llvm.Module m;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	920 Builder b;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	921 Function llvm_memcpy;
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	922 ConstantInt ZeroIndex;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	923 Type BytePtr;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	924 Type[DType] type_map;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	925
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	926 SimpleSymbolTable table;
107 189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	927 }
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	928
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	929 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	930 {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	931 alias BinaryExp.Operator O;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	932 Operator res;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	933 switch (op) {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	934 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	935 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	936 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	937 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	938 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	939 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	940 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	941
d604152de1eb Support shifts and binary logical operators in codegen Anders Halager <halager@gmail.com> parents: 121 diff changeset	942 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	943 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	944 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	945
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	946 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	947 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	948 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	949 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	950 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	951 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	952 }
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	953 return res;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	954 }
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	955
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	956 private struct LLVMPred
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	957 {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	958 bool isValid = false;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	959 bool isReal;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	960 union {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	961 IntPredicate intPred;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	962 RealPredicate realPred;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	963 }
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	964
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	965 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	966 {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	967 LLVMPred res;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	968 res.isValid = true;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	969 res.isReal = false;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	970 res.intPred = p;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	971 return res;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	972 }
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	973 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	974 {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	975 LLVMPred res;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	976 res.isValid = true;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	977 res.isReal = true;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	978 res.realPred = p;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	979 return res;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	980 }
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	981 }
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	982 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	983 {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	984 alias BuiltinOperation O;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	985 LLVMPred pred;
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	986 switch (op) {
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	987 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	988 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	989
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	990 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	991 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	992 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	993
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	994 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	995 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	996 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	997
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	998 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	999 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	1000 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	1001
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1002 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	1003 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	1004 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	1005 };
189c049cbfcc Cleanup of codegen, better support for operators a few bugfixes Anders Halager <halager@gmail.com> parents: 101 diff changeset	1006 return pred;
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1007 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1008
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1009 private class VisitFuncDecls : Visitor!(void)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1010 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1011 void delegate(FuncDecl) dg;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1012 this(void delegate(FuncDecl funcDecl) dg)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1013 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1014 this.dg = dg;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1015 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1016
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	1017 override void visitFuncDecl(FuncDecl fd)
51 c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1018 {
129 ed815b31479b Added a Symbol Anders Halager <halager@gmail.com> parents: 125 diff changeset	1019 dg(fd);
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
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1023 private class SimpleSymbolTable
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 Value[char[]][] namedValues;
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 void enterScope()
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1028 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1029 namedValues ~= cast(Value[char[]])["__dollar":null];
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1030 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1031
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1032 void leaveScope()
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1033 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1034 namedValues.length = namedValues.length - 1;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1035 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1036
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1037 Value put(Value val, char[] key)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1038 {
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1039 namedValues[$ - 1][key] = val;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1040 return val;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1041 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1042
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1043 Value find(char[] key)
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 foreach_reverse (map; namedValues)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1046 if(auto val_ptr = key in map)
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1047 return *val_ptr;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1048 return null;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1049 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1050
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1051 alias find opIndex;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1052 alias put opIndexAssign;
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1053 }
c96cdcbdb9d6 Rearranged some stuff, and renamed LLVMGen -> CodeGen Anders Halager <halager@gmail.com> parents: diff changeset	1054

Mercurial > projects > dang

annotate gen/CodeGen.d @ 155:2149f4a7b48d