refactor(strings): replace compiler builtins with the STRING library

Construct literals as STRING values and route string operations through
ordinary library functions and operators. Preserve value ownership in
records, arrays, constants and file I/O.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

1 files changed, 0 insertions, 42 deletions

diff --git a/include/cps/StringHandler.h b/include/cps/StringHandler.h
deleted file mode 100644
index 0b2447c..0000000
--- a/include/cps/StringHandler.h
+++ /dev/null
@@ -1,42 +0,0 @@
-#pragma once
-#include "llvm/IR/IRBuilder.h"
-#include "llvm/IR/LLVMContext.h"
-#include "llvm/IR/Module.h"
-#include <string>
-
-namespace cps {
-
-class StringHandler {
-    llvm::LLVMContext &Context;
-    llvm::IRBuilder<> &Builder;
-    llvm::Module &Module;
-
-    llvm::FunctionCallee MallocFunc;
-    llvm::FunctionCallee StrLenFunc;
-    llvm::FunctionCallee MemCpyFunc;
-    llvm::FunctionCallee StrCpyFunc;
-    llvm::FunctionCallee StrCatFunc;
-    llvm::FunctionCallee StrCmpFunc;
-    llvm::FunctionCallee ToUpperFunc;
-    llvm::FunctionCallee ToLowerFunc;
-
-    llvm::Value *emitCaseConvert(llvm::Value *Str, llvm::FunctionCallee CaseFn);
-    llvm::Value *allocCopySubstring(llvm::Value *Src, llvm::Value *StartIdx, llvm::Value *Len);
-
-public:
-    StringHandler(llvm::LLVMContext &Ctx, llvm::IRBuilder<> &B, llvm::Module &M);
-
-    void setupExternalFunctions();
-    llvm::Value *createLiteral(const std::string &Val);
-    
-    llvm::Value *emitLength(llvm::Value *Str);
-    llvm::Value *emitConcat(llvm::Value *LHS, llvm::Value *RHS);
-    llvm::Value *emitCompare(int Op, llvm::Value *LHS, llvm::Value *RHS);
-    llvm::Value *emitMid(llvm::Value *Str, llvm::Value *Start, llvm::Value *Len);
-    llvm::Value *emitRight(llvm::Value *Str, llvm::Value *Len);
-    llvm::Value *emitLeft(llvm::Value *Str, llvm::Value *Len);
-    llvm::Value *emitLCase(llvm::Value *Str);
-    llvm::Value *emitUCase(llvm::Value *Str);
-};
-
-}