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https://github.com/xomboverlord/ldc.git
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56d2cff2a2
* Updated object.d to 1.021 * Added -novalidate command line option. this is sometimes useful when debugging as it may let you read the .ll even if it's invalid.
118 lines
2.7 KiB
C++
118 lines
2.7 KiB
C++
#ifndef LLVMDC_GEN_IRSTATE_H
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#define LLVMDC_GEN_IRSTATE_H
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#include <stack>
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#include <vector>
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#include <deque>
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#include "llvm/DerivedTypes.h"
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#include "llvm/Module.h"
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#include "llvm/Function.h"
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#include "llvm/BasicBlock.h"
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#include "llvm/Target/TargetData.h"
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#include "root.h"
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// global ir state for current module
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struct IRState;
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extern IRState* gIR;
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extern llvm::TargetData* gTargetData;
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struct TypeFunction;
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struct TypeStruct;
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struct ClassDeclaration;
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struct FuncDeclaration;
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struct Module;
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struct TypeStruct;
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// represents a scope
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struct IRScope
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{
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llvm::BasicBlock* begin;
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llvm::BasicBlock* end;
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bool returned;
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IRScope();
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IRScope(llvm::BasicBlock* b, llvm::BasicBlock* e);
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};
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// represents a struct or class
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struct IRStruct : Object
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{
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typedef std::vector<const llvm::Type*> TypeVector;
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typedef std::vector<llvm::Constant*> ConstantVector;
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typedef std::vector<FuncDeclaration*> FuncDeclVec;
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public:
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IRStruct();
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IRStruct(Type*);
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virtual ~IRStruct();
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Type* type;
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TypeVector fields;
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ConstantVector inits;
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llvm::PATypeHolder recty;
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FuncDeclVec funcs;
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bool queueFuncs;
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};
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// represents the module
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struct IRState : Object
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{
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IRState();
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// module
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Module* dmodule;
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llvm::Module* module;
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// functions
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std::stack<llvm::Function*> funcs;
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llvm::Function* topfunc();
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std::stack<TypeFunction*> functypes;
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TypeFunction* topfunctype();
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llvm::Instruction* topallocapoint();
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// structs
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typedef std::vector<IRStruct> StructVector;
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StructVector structs;
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IRStruct& topstruct();
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// classes TODO move into IRClass
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typedef std::vector<ClassDeclaration*> ClassDeclVec;
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ClassDeclVec classes;
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// D main function
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bool emitMain;
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llvm::Function* mainFunc;
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// L-values
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bool inLvalue;
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typedef std::vector<llvm::Value*> LvalVec;
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LvalVec lvals;
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llvm::Value* toplval();
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// basic block scopes
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std::vector<IRScope> scopes;
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IRScope& scope();
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llvm::BasicBlock* scopebegin();
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llvm::BasicBlock* scopeend();
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llvm::BasicBlock* scopebb();
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bool scopereturned();
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// loop blocks
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typedef std::vector<IRScope> BBVec;
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BBVec loopbbs;
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// this holds the array being indexed or sliced so $ will work
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// might be a better way but it works. problem is I only get a
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// VarDeclaration for __dollar, but I can't see how to get the
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// array pointer from this :(
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LvalVec arrays;
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// keeping track of the declaration for the current function body
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typedef std::vector<FuncDeclaration*> FuncDeclVec;
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FuncDeclVec funcdecls;
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};
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#endif // LLVMDC_GEN_IRSTATE_H
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