Mercurial > projects > ldc
annotate gen/irstate.h @ 314:8d98e42ece93 trunk
[svn r335] The basics of exception handling are in place.
Still need to make sure calls are turned into invokes everywhere. (NewExpression for instance)
Still some rough edges and corner cases to figure out.
Needs testing!
author | ChristianK |
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date | Wed, 02 Jul 2008 22:20:18 +0200 |
parents | 9967a3270837 |
children | a9697749e898 |
rev | line source |
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1 | 1 #ifndef LLVMDC_GEN_IRSTATE_H |
2 #define LLVMDC_GEN_IRSTATE_H | |
3 | |
4 #include <vector> | |
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5 #include <list> |
1 | 6 |
7 #include "root.h" | |
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8 #include "aggregate.h" |
1 | 9 |
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10 #include "ir/irfunction.h" |
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11 #include "ir/irstruct.h" |
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12 #include "ir/irvar.h" |
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13 |
1 | 14 // global ir state for current module |
15 struct IRState; | |
16 extern IRState* gIR; | |
73 | 17 extern const llvm::TargetData* gTargetData; |
1 | 18 |
19 struct TypeFunction; | |
20 struct TypeStruct; | |
21 struct ClassDeclaration; | |
22 struct FuncDeclaration; | |
23 struct Module; | |
24 struct TypeStruct; | |
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25 struct BaseClass; |
309 | 26 struct EnclosingHandler; |
1 | 27 |
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28 struct IrModule; |
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29 |
1 | 30 // represents a scope |
31 struct IRScope | |
32 { | |
33 llvm::BasicBlock* begin; | |
34 llvm::BasicBlock* end; | |
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35 IRBuilder builder; |
1 | 36 |
37 IRScope(); | |
38 IRScope(llvm::BasicBlock* b, llvm::BasicBlock* e); | |
39 }; | |
40 | |
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41 // scope for loops |
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42 struct IRLoopScope : IRScope |
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43 { |
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44 // generating statement |
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45 Statement* s; |
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46 // the try of a TryFinally that encloses the loop |
309 | 47 EnclosingHandler* enclosinghandler; |
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48 // if it is a switch, we are a possible target for break |
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49 // but not for continue |
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50 bool isSwitch; |
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51 |
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52 IRLoopScope(); |
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53 IRLoopScope(Statement* s, EnclosingHandler* enclosinghandler, llvm::BasicBlock* b, llvm::BasicBlock* e, bool isSwitch = false); |
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54 }; |
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55 |
40 | 56 struct IRBuilderHelper |
57 { | |
58 IRState* state; | |
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59 IRBuilder* operator->(); |
40 | 60 }; |
61 | |
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62 struct IRExp |
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63 { |
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64 Expression* e1; |
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65 Expression* e2; |
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66 DValue* v; |
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67 IRExp(); |
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68 IRExp(Expression* l, Expression* r, DValue* val); |
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69 }; |
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70 |
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71 struct IRAsmStmt |
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72 { |
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73 std::string code; |
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74 std::string out_c; |
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75 std::string in_c; |
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76 std::vector<LLValue*> out; |
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77 std::vector<LLValue*> in; |
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78 |
302 | 79 // if this is nonzero, it contains the target label |
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80 Identifier* isBranchToLabel; |
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81 }; |
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82 |
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83 struct IRAsmBlock |
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84 { |
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85 std::vector<IRAsmStmt*> s; |
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86 std::set<std::string> clobs; |
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87 |
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88 // stores the labels within the asm block |
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89 std::vector<Identifier*> internalLabels; |
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90 }; |
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91 |
1 | 92 // represents the module |
40 | 93 struct IRState |
1 | 94 { |
95 IRState(); | |
96 | |
97 // module | |
98 Module* dmodule; | |
99 llvm::Module* module; | |
100 | |
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101 // interface info type, used in DtoInterfaceInfoType |
309 | 102 const LLStructType* interfaceInfoType; |
103 const LLStructType* mutexType; | |
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104 |
1 | 105 // functions |
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106 typedef std::vector<IrFunction*> FunctionVector; |
40 | 107 FunctionVector functions; |
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108 IrFunction* func(); |
40 | 109 |
1 | 110 llvm::Function* topfunc(); |
111 TypeFunction* topfunctype(); | |
112 llvm::Instruction* topallocapoint(); | |
113 | |
114 // structs | |
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115 typedef std::vector<IrStruct*> StructVector; |
1 | 116 StructVector structs; |
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117 IrStruct* topstruct(); |
1 | 118 |
119 // classes TODO move into IRClass | |
120 typedef std::vector<ClassDeclaration*> ClassDeclVec; | |
121 ClassDeclVec classes; | |
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122 |
1 | 123 // D main function |
124 bool emitMain; | |
125 llvm::Function* mainFunc; | |
126 | |
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127 // expression l/r value handling |
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128 typedef std::vector<IRExp> ExpVec; |
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129 ExpVec exps; |
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130 IRExp* topexp(); |
1 | 131 |
132 // basic block scopes | |
133 std::vector<IRScope> scopes; | |
134 IRScope& scope(); | |
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135 llvm::BasicBlock* scopebb(); |
1 | 136 llvm::BasicBlock* scopeend(); |
137 bool scopereturned(); | |
138 | |
314
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139 // landing pads for try statements |
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140 typedef std::vector<llvm::BasicBlock*> BBVec; |
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141 BBVec landingPads; |
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142 |
1 | 143 // loop blocks |
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144 typedef std::vector<IRLoopScope> LoopScopeVec; |
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145 LoopScopeVec loopbbs; |
1 | 146 |
147 // this holds the array being indexed or sliced so $ will work | |
148 // might be a better way but it works. problem is I only get a | |
149 // VarDeclaration for __dollar, but I can't see how to get the | |
150 // array pointer from this :( | |
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151 std::vector<DValue*> arrays; |
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152 |
40 | 153 // builder helper |
154 IRBuilderHelper ir; | |
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155 |
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156 typedef std::list<Dsymbol*> DsymbolList; |
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157 // dsymbols that need to be resolved |
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158 DsymbolList resolveList; |
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159 // dsymbols that need to be declared |
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160 DsymbolList declareList; |
100 | 161 // dsymbols that need constant initializers constructed |
102
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162 DsymbolList constInitList; |
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163 // dsymbols that need definitions |
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164 DsymbolList defineList; |
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165 |
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166 // static ctors/dtors/unittests |
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167 typedef std::vector<FuncDeclaration*> FuncDeclVector; |
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168 FuncDeclVector ctors; |
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169 FuncDeclVector dtors; |
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170 FuncDeclVector unitTests; |
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171 |
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172 // for inline asm |
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173 IRAsmBlock* asmBlock; |
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174 |
252 | 175 // dwarf dbg stuff |
176 // 'used' array solely for keeping a reference to globals | |
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177 std::vector<LLConstant*> usedArray; |
252 | 178 LLGlobalVariable* dwarfCUs; |
179 LLGlobalVariable* dwarfSPs; | |
180 LLGlobalVariable* dwarfGVs; | |
1 | 181 }; |
182 | |
183 #endif // LLVMDC_GEN_IRSTATE_H |