[svn r5] Initial commit. Most things are very rough.

2026-07-29 10:30:04 +02:00 · 2007-09-01 21:43:27 +02:00
parent 1c23dd2cdc
commit 34699bbb07
227 changed files with 84269 additions and 0 deletions
--- a/gen/irstate.h
+++ b/gen/irstate.h
@@ -0,0 +1,122 @@
+#ifndef LLVMDC_GEN_IRSTATE_H
+#define LLVMDC_GEN_IRSTATE_H
+
+#include <stack>
+#include <vector>
+#include <deque>
+
+#include "llvm/DerivedTypes.h"
+#include "llvm/Module.h"
+#include "llvm/Function.h"
+#include "llvm/BasicBlock.h"
+#include "llvm/Target/TargetData.h"
+
+#include "root.h"
+
+// global ir state for current module
+struct IRState;
+extern IRState* gIR;
+extern llvm::TargetData* gTargetData;
+
+struct TypeFunction;
+struct TypeStruct;
+struct ClassDeclaration;
+struct FuncDeclaration;
+struct Module;
+struct TypeStruct;
+
+// represents a scope
+struct IRScope
+{
+    llvm::BasicBlock* begin;
+    llvm::BasicBlock* end;
+    bool returned;
+
+    IRScope();
+    IRScope(llvm::BasicBlock* b, llvm::BasicBlock* e);
+};
+
+// represents a struct
+struct IRStruct : Object
+{
+    typedef std::vector<const llvm::Type*> TypeVector;
+    typedef std::vector<llvm::Constant*> ConstantVector;
+    typedef std::vector<llvm::PATypeHolder> PATypeHolderVector;
+
+public:
+    IRStruct();
+    IRStruct(TypeStruct*);
+    virtual ~IRStruct();
+
+    TypeStruct* type;
+    TypeVector fields;
+    ConstantVector inits;
+    llvm::PATypeHolder recty;
+};
+
+// represents a clas
+struct IRClass : Object
+{
+    // TODO
+};
+
+// represents the module
+struct IRState : Object
+{
+    IRState();
+
+    // module
+    Module* dmodule;
+    llvm::Module* module;
+
+    // functions
+    std::stack<llvm::Function*> funcs;
+    llvm::Function* topfunc();
+    std::stack<TypeFunction*> functypes;
+    TypeFunction* topfunctype();
+    llvm::Instruction* topallocapoint();
+
+    // structs
+    typedef std::vector<IRStruct> StructVector;
+    StructVector structs;
+    IRStruct& topstruct();
+
+    // classes TODO move into IRClass
+    typedef std::vector<ClassDeclaration*> ClassDeclVec;
+    ClassDeclVec classes;
+    typedef std::vector<FuncDeclaration*> FuncDeclVec;
+    typedef std::vector<FuncDeclVec> ClassMethodVec;
+    ClassMethodVec classmethods;
+    typedef std::vector<bool> BoolVec;
+    BoolVec queueClassMethods;
+
+    // D main function
+    bool emitMain;
+    llvm::Function* mainFunc;
+
+    // L-values
+    bool inLvalue;
+    typedef std::vector<llvm::Value*> LvalVec;
+    LvalVec lvals;
+    llvm::Value* toplval();
+
+    // basic block scopes
+    std::vector<IRScope> scopes;
+    IRScope& scope();
+    llvm::BasicBlock* scopebegin();
+    llvm::BasicBlock* scopeend();
+    llvm::BasicBlock* scopebb();
+    bool scopereturned();
+
+    // loop blocks
+    typedef std::vector<IRScope> BBVec;
+    BBVec loopbbs;
+
+    // this holds the array being indexed or sliced so $ will work
+    // might be a better way but it works. problem is I only get a
+    // VarDeclaration for __dollar, but I can't see how to get the
+    // array pointer from this :(
+    LvalVec arrays;
+};
+
+#endif // LLVMDC_GEN_IRSTATE_H