Added STRING

1 files changed, 38 insertions, 0 deletions

diff --git a/include/cps/StringHandler.h b/include/cps/StringHandler.h
new file mode 100644
index 0000000..87710fb
--- /dev/null
+++ b/include/cps/StringHandler.h
@@ -0,0 +1,38 @@
+#pragma once
+#include "llvm/IR/IRBuilder.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/Module.h"
+#include <map>
+#include <string>
+
+namespace cps {
+
+class StringHandler {
+    llvm::LLVMContext &Context;
+    llvm::IRBuilder<> &Builder;
+    llvm::Module &Module;
+    std::map<std::string, llvm::Value*> &NamedValues;
+
+    llvm::FunctionCallee MallocFunc;
+    llvm::FunctionCallee FreeFunc;
+    llvm::FunctionCallee StrLenFunc;
+    llvm::FunctionCallee MemCpyFunc;
+    llvm::FunctionCallee ToUpperFunc;
+    llvm::FunctionCallee ToLowerFunc;
+
+public:
+    StringHandler(llvm::LLVMContext &Ctx, llvm::IRBuilder<> &B, llvm::Module &M, 
+                  std::map<std::string, llvm::Value*> &NV);
+    
+    void setupExternalFunctions();
+    void emitDeclare(const std::string &Name);
+    llvm::Value *createLiteral(const std::string &Val);
+    
+    llvm::Value *emitLength(llvm::Value *Str);
+    llvm::Value *emitMid(llvm::Value *Str, llvm::Value *Start, llvm::Value *Len);
+    llvm::Value *emitRight(llvm::Value *Str, llvm::Value *Len);
+    llvm::Value *emitLCase(llvm::Value *Str);
+    llvm::Value *emitUCase(llvm::Value *Str);
+};
+
+}