Added FUNCTION and PROCEDURE

1 files changed, 39 insertions, 0 deletions

diff --git a/include/cps/FunctionGen.h b/include/cps/FunctionGen.h
new file mode 100644
index 0000000..c1a6ebd
--- /dev/null
+++ b/include/cps/FunctionGen.h
@@ -0,0 +1,39 @@
+#pragma once
+#include "llvm/IR/IRBuilder.h"
+#include "llvm/IR/Module.h"
+#include "cps/FunctionAST.h"
+#include <map>
+#include <vector>
+#include <functional>
+#include <string>
+
+namespace cps {
+
+class FunctionGen {
+    llvm::LLVMContext &Context;
+    llvm::Module &Module;
+    llvm::IRBuilder<> &Builder;
+    
+    std::map<std::string, llvm::AllocaInst*> &NamedValues;
+
+    void createArgumentAllocas(llvm::Function *F, const std::vector<std::pair<std::string, std::string>> &Args);
+
+public:
+    FunctionGen(llvm::LLVMContext &C, llvm::Module &M, llvm::IRBuilder<> &B, 
+                std::map<std::string, llvm::AllocaInst*> &NV)
+        : Context(C), Module(M), Builder(B), NamedValues(NV) {}
+
+    llvm::Type *getLLVMType(const std::string &TypeName);
+
+    llvm::Function *emitPrototype(PrototypeAST *Proto);
+
+    llvm::Function *emitFunctionDef(FunctionDefAST *FuncAST, const std::function<void(StmtAST*)> &StmtEmitter);
+
+    llvm::Value *emitCallExpr(CallExprAST *Call, const std::vector<llvm::Value*> &Args);
+    
+    void emitCallStmt(CallStmtAST *Call, const std::vector<llvm::Value*> &Args);
+
+    void emitReturn(ReturnStmtAST *Ret, llvm::Value *RetVal);
+};
+
+}