projects/ldc: ir/irstruct.cpp annotate

annotate ir/irstruct.cpp @ 1228:79758fd2f48a

Added Doxygen file. Completely seperated type and symbol generation. Should fix a lot of bugs, but is not yet 100% complete.

author	Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
date	Wed, 15 Apr 2009 20:06:25 +0200
parents	1714836f2c0b
children	212ec2d9d176

rev	line source
136 0e28624814e8 [svn r140] did a lot of the work towards being able to pass multiple modules on the command line. not complete yet though lindquist parents: diff changeset	1 #include "gen/llvm.h"
737 041c1596d217 Removed warnings on ignored aligns. Only do aligment on packed structs, align(1) struct Packed { ... } Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 435 diff changeset	2
136 0e28624814e8 [svn r140] did a lot of the work towards being able to pass multiple modules on the command line. not complete yet though lindquist parents: diff changeset	3 #include "mtype.h"
0e28624814e8 [svn r140] did a lot of the work towards being able to pass multiple modules on the command line. not complete yet though lindquist parents: diff changeset	4 #include "aggregate.h"
737 041c1596d217 Removed warnings on ignored aligns. Only do aligment on packed structs, align(1) struct Packed { ... } Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 435 diff changeset	5 #include "declaration.h"
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	6 #include "init.h"
737 041c1596d217 Removed warnings on ignored aligns. Only do aligment on packed structs, align(1) struct Packed { ... } Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 435 diff changeset	7
157 5c17f81fc1c1 [svn r173] moved IR state previously stored in Type into IrType and a Type->IrType map; fixes #7 ChristianK parents: 137 diff changeset	8 #include "gen/irstate.h"
737 041c1596d217 Removed warnings on ignored aligns. Only do aligment on packed structs, align(1) struct Packed { ... } Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 435 diff changeset	9 #include "gen/tollvm.h"
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	10 #include "gen/logger.h"
800 d14e4594c7d7 Changed aggregate field initializers to be created lazily, fixes problem with static void arrays in aggregates. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 797 diff changeset	11 #include "gen/llvmhelpers.h"
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	12 #include "gen/utils.h"
136 0e28624814e8 [svn r140] did a lot of the work towards being able to pass multiple modules on the command line. not complete yet though lindquist parents: diff changeset	13
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	14 #include "ir/irstruct.h"
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	15 #include "ir/irtypeclass.h"
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	16
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	17 //////////////////////////////////////////////////////////////////////////////
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	18
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	19 IrStruct::IrStruct(AggregateDeclaration* aggr)
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	20 : diCompositeType(NULL)
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	21 {
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	22 aggrdecl = aggr;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	23
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	24 type = aggr->type;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	25
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	26 packed = false;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	27
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	28 // above still need to be looked at
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	29
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	30 init = NULL;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	31 constInit = NULL;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	32
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	33 vtbl = NULL;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	34 constVtbl = NULL;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	35 classInfo = NULL;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	36 constClassInfo = NULL;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	37
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	38 classInterfacesArray = NULL;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	39 }
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	40
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	41 //////////////////////////////////////////////////////////////////////////////
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	42
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	43 LLGlobalVariable * IrStruct::getInitSymbol()
136 0e28624814e8 [svn r140] did a lot of the work towards being able to pass multiple modules on the command line. not complete yet though lindquist parents: diff changeset	44 {
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	45 if (init)
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	46 return init;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	47
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	48 // create the initZ symbol
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	49 std::string initname("_D");
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	50 initname.append(aggrdecl->mangle());
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	51 initname.append("6__initZ");
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	52
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	53 llvm::GlobalValue::LinkageTypes _linkage = DtoExternalLinkage(aggrdecl);
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	54
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	55 init = new llvm::GlobalVariable(
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	56 type->irtype->getPA().get(), true, _linkage, NULL, initname, gIR->module);
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	57
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	58 return init;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	59 }
137 ce7b81fb957f [svn r141] fixed more problems with classinfo lindquist parents: 136 diff changeset	60
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	61 //////////////////////////////////////////////////////////////////////////////
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	62
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	63 llvm::Constant * IrStruct::getDefaultInit()
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	64 {
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	65 if (constInit)
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	66 return constInit;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	67
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	68 if (type->ty == Tstruct)
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	69 {
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	70 constInit = createStructDefaultInitializer();
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	71 }
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	72 else
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	73 {
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	74 constInit = createClassDefaultInitializer();
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	75 }
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	76
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	77 return constInit;
136 0e28624814e8 [svn r140] did a lot of the work towards being able to pass multiple modules on the command line. not complete yet though lindquist parents: diff changeset	78 }
0e28624814e8 [svn r140] did a lot of the work towards being able to pass multiple modules on the command line. not complete yet though lindquist parents: diff changeset	79
0e28624814e8 [svn r140] did a lot of the work towards being able to pass multiple modules on the command line. not complete yet though lindquist parents: diff changeset	80 //////////////////////////////////////////////////////////////////////////////
0e28624814e8 [svn r140] did a lot of the work towards being able to pass multiple modules on the command line. not complete yet though lindquist parents: diff changeset	81 //////////////////////////////////////////////////////////////////////////////
0e28624814e8 [svn r140] did a lot of the work towards being able to pass multiple modules on the command line. not complete yet though lindquist parents: diff changeset	82 //////////////////////////////////////////////////////////////////////////////
0e28624814e8 [svn r140] did a lot of the work towards being able to pass multiple modules on the command line. not complete yet though lindquist parents: diff changeset	83
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	84 // helper function that returns the static default initializer of a variable
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	85 LLConstant* get_default_initializer(VarDeclaration* vd, Initializer* init)
136 0e28624814e8 [svn r140] did a lot of the work towards being able to pass multiple modules on the command line. not complete yet though lindquist parents: diff changeset	86 {
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	87 if (init)
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	88 {
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	89 return DtoConstInitializer(init->loc, vd->type, init);
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	90 }
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	91 else if (vd->init)
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	92 {
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	93 return DtoConstInitializer(vd->init->loc, vd->type, vd->init);
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	94 }
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	95 else
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	96 {
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	97 return DtoConstExpInit(vd->loc, vd->type, vd->type->defaultInit(vd->loc));
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	98 }
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	99 }
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	100
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	101 // helper function that adds zero bytes to a vector of constants
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	102 size_t add_zeros(std::vector<llvm::Constant*>& constants, size_t diff)
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	103 {
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	104 size_t n = constants.size();
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	105 while (diff)
737 041c1596d217 Removed warnings on ignored aligns. Only do aligment on packed structs, align(1) struct Packed { ... } Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 435 diff changeset	106 {
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	107 if (global.params.is64bit && diff % 8 == 0)
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	108 {
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	109 constants.push_back(llvm::Constant::getNullValue(llvm::Type::Int64Ty));
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	110 diff -= 8;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	111 }
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	112 else if (diff % 4 == 0)
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	113 {
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	114 constants.push_back(llvm::Constant::getNullValue(llvm::Type::Int32Ty));
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	115 diff -= 4;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	116 }
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	117 else if (diff % 2 == 0)
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	118 {
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	119 constants.push_back(llvm::Constant::getNullValue(llvm::Type::Int16Ty));
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	120 diff -= 2;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	121 }
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	122 else
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	123 {
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	124 constants.push_back(llvm::Constant::getNullValue(llvm::Type::Int8Ty));
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	125 diff -= 1;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	126 }
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	127 }
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	128 return constants.size() - n;
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	129 }
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	130
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	131 // Matches the way the type is built in IrTypeStruct
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	132 // maybe look at unifying the interface.
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	133
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	134 LLConstant * IrStruct::createStructDefaultInitializer()
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	135 {
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	136 IF_LOG Logger::println("Building default initializer for %s", aggrdecl->toPrettyChars());
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	137 LOG_SCOPE;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	138
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	139 assert(type->ty == Tstruct && "cannot build struct default initializer for non struct type");
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	140
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	141 // start at offset zero
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	142 size_t offset = 0;
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	143
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	144 // vector of constants
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	145 std::vector<llvm::Constant*> constants;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	146
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	147 // go through fields
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	148 ArrayIter<VarDeclaration> it(aggrdecl->fields);
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	149 for (; !it.done(); it.next())
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	150 {
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	151 VarDeclaration* vd = it.get();
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	152
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	153 if (vd->offset < offset)
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	154 {
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	155 IF_LOG Logger::println("skipping field: %s %s (+%u)", vd->type->toChars(), vd->toChars(), vd->offset);
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	156 continue;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	157 }
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	158
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	159 IF_LOG Logger::println("using field: %s %s (+%u)", vd->type->toChars(), vd->toChars(), vd->offset);
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	160
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	161 // get next aligned offset for this field
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	162 size_t alignedoffset = offset;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	163 if (!packed)
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	164 {
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	165 size_t alignsize = vd->type->alignsize();
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	166 alignedoffset = (offset + alignsize - 1) & ~(alignsize - 1);
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	167 }
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	168
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	169 // insert explicit padding?
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	170 if (alignedoffset < vd->offset)
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	171 {
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	172 add_zeros(constants, vd->offset - alignedoffset);
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	173 }
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	174
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	175 // add initializer
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	176 constants.push_back(get_default_initializer(vd, NULL));
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	177
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	178 // advance offset to right past this field
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	179 offset = vd->offset + vd->type->size();
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	180 }
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	181
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	182 // tail padding?
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	183 if (offset < aggrdecl->structsize)
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	184 {
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	185 add_zeros(constants, aggrdecl->structsize - offset);
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	186 }
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	187
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	188 // build constant struct
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	189 llvm::Constant* definit = llvm::ConstantStruct::get(constants, packed);
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	190 IF_LOG Logger::cout() << "final default initializer: " << *definit << std::endl;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	191
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	192 // sanity check
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	193 assert(definit->getType() == type->irtype->get() &&
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	194 "default initializer type does not match the default struct type");
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	195
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	196 return definit;
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	197 }
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	198
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	199 //////////////////////////////////////////////////////////////////////////////
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	200 //////////////////////////////////////////////////////////////////////////////
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	201 //////////////////////////////////////////////////////////////////////////////
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	202
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	203 // yet another rewrite of the notorious StructInitializer.
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	204
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	205 // this time a bit more inspired by the DMD code.
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	206
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	207 LLConstant * IrStruct::createStructInitializer(StructInitializer * si)
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	208 {
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	209 IF_LOG Logger::println("Building StructInitializer of type %s", si->ad->toPrettyChars());
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	210 LOG_SCOPE;
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	211
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	212 // sanity check
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	213 assert(si->ad == aggrdecl && "struct type mismatch");
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	214 assert(si->vars.dim == si->value.dim && "inconsistent StructInitializer");
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	215
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	216 // array of things to build
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	217 typedef std::pair<VarDeclaration, llvm::Constant> VCPair;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	218 llvm::SmallVector<VCPair, 16> data(aggrdecl->fields.dim);
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	219
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	220 // start by creating a map from initializer indices to field indices.
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	221 // I have no fucking clue why dmd represents it like this :/
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	222 size_t n = si->vars.dim;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	223 LLSmallVector<int, 16> datamap(n, 0);
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	224 for (size_t i = 0; i < n; i++)
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	225 {
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	226 for (size_t j = 0; 1; j++)
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	227 {
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	228 assert(j < aggrdecl->fields.dim);
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	229 if (aggrdecl->fields.data[j] == si->vars.data[i])
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	230 {
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	231 datamap[i] = j;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	232 break;
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	233 }
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	234 }
737 041c1596d217 Removed warnings on ignored aligns. Only do aligment on packed structs, align(1) struct Packed { ... } Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 435 diff changeset	235 }
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	236
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	237 // fill in explicit initializers
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	238 n = si->vars.dim;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	239 for (size_t i = 0; i < n; i++)
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	240 {
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	241 VarDeclaration* vd = (VarDeclaration*)si->vars.data[i];
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	242 Initializer* ini = (Initializer*)si->value.data[i];
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	243
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	244 size_t idx = datamap[i];
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	245
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	246 if (data[idx].first != NULL)
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	247 {
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	248 Loc l = ini ? ini->loc : si->loc;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	249 error(l, "duplicate initialization of %s", vd->toChars());
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	250 continue;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	251 }
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	252
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	253 data[idx].first = vd;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	254 data[idx].second = get_default_initializer(vd, ini);
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	255 }
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	256
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	257 // build array of constants and try to fill in default initializers
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	258 // where there is room.
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	259 size_t offset = 0;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	260 std::vector<llvm::Constant*> constants;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	261 constants.reserve(16);
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	262
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	263 n = data.size();
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	264 for (size_t i = 0; i < n; i++)
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	265 {
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	266 VarDeclaration* vd = data[i].first;
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	267
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	268 // explicitly initialized?
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	269 if (vd != NULL)
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	270 {
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	271 // get next aligned offset for this field
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	272 size_t alignedoffset = offset;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	273 if (!packed)
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	274 {
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	275 size_t alignsize = vd->type->alignsize();
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	276 alignedoffset = (offset + alignsize - 1) & ~(alignsize - 1);
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	277 }
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	278
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	279 // insert explicit padding?
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	280 if (alignedoffset < vd->offset)
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	281 {
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	282 add_zeros(constants, vd->offset - alignedoffset);
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	283 }
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	284
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	285 IF_LOG Logger::println("using field: %s", vd->toChars());
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	286 constants.push_back(data[i].second);
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	287 offset = vd->offset + vd->type->size();
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	288 }
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	289 // not explicit! try and fit in the default initialization instead
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	290 // make sure we don't overlap with any following explicity initialized fields
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	291 else
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	292 {
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	293 vd = (VarDeclaration*)aggrdecl->fields.data[i];
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	294
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	295 // check all the way that we don't overlap, slow but it works!
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	296 for (size_t j = i+1; j <= n; j++)
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	297 {
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	298 if (j == n) // no overlap
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	299 {
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	300 IF_LOG Logger::println("using field default: %s", vd->toChars());
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	301 constants.push_back(get_default_initializer(vd, NULL));
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	302 offset = vd->offset + vd->type->size();
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	303 break;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	304 }
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	305
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	306 VarDeclaration* vd2 = (VarDeclaration*)aggrdecl->fields.data[j];
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	307
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	308 size_t o2 = vd->offset + vd->type->size();
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	309
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	310 if (vd2->offset < o2 && data[i].first)
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	311 break; // overlaps
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	312 }
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	313 }
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	314 }
1228 79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	315
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	316 // tail padding?
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	317 if (offset < aggrdecl->structsize)
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	318 {
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	319 add_zeros(constants, aggrdecl->structsize - offset);
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	320 }
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	321
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	322 // stop if there were errors
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	323 if (global.errors)
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	324 {
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	325 fatal();
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	326 }
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	327
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	328 // build constant
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	329 assert(!constants.empty());
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	330 llvm::Constant* c = llvm::ConstantStruct::get(&constants[0], constants.size(), packed);
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	331 IF_LOG Logger::cout() << "final struct initializer: " << *c << std::endl;
79758fd2f48a Added Doxygen file. Tomas Lindquist Olsen <tomas.l.olsen gmail.com> parents: 946 diff changeset	332 return c;
737 041c1596d217 Removed warnings on ignored aligns. Only do aligment on packed structs, align(1) struct Packed { ... } Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 435 diff changeset	333 }
797 340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine! Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 737 diff changeset	334

Mercurial > projects > ldc

annotate ir/irstruct.cpp @ 1228:79758fd2f48a