1 files changed, 0 insertions, 74 deletions
diff --git a/lib/CodeGen/StringConversionHandler.cc b/lib/CodeGen/StringConversionHandler.cc
deleted file mode 100644
index 2263ef1..0000000
--- a/lib/CodeGen/StringConversionHandler.cc
+++ /dev/null
@@ -1,74 +0,0 @@
-#include "cps/StringConversionHandler.h"
-#include <limits>
-
-using namespace llvm;
-using namespace cps;
-
-StringConversionHandler::StringConversionHandler(LLVMContext &Ctx, IRBuilder<> &B, llvm::Module &M)
-    : Context(Ctx), Builder(B), Module(M) {
-    setupExternalFunctions();
-}
-
-void StringConversionHandler::setupExternalFunctions() {
-    FunctionType *SnprintfType = FunctionType::get(Type::getInt32Ty(Context), {PointerType::getUnqual(Context), Type::getInt64Ty(Context), PointerType::getUnqual(Context)}, true);
-    SnprintfFunc = Module.getOrInsertFunction("snprintf", SnprintfType);
-
-    FunctionType *StrtollType = FunctionType::get(Type::getInt64Ty(Context), {PointerType::getUnqual(Context), PointerType::getUnqual(Context), Type::getInt32Ty(Context)}, false);
-    StrtollFunc = Module.getOrInsertFunction("strtoll", StrtollType);
-
-    FunctionType *StrtodType = FunctionType::get(Type::getDoubleTy(Context), {PointerType::getUnqual(Context), PointerType::getUnqual(Context)}, false);
-    StrtodFunc = Module.getOrInsertFunction("strtod", StrtodType);
-
-    FunctionType *MallocType = FunctionType::get(PointerType::getUnqual(Context), {Type::getInt64Ty(Context)}, false);
-    MallocFunc = Module.getOrInsertFunction("malloc", MallocType);
-}
-
-Value *StringConversionHandler::emitNumToStr(Value *Num, bool IsReal) {
-    // Allow an extra integer digit, sign, decimal point, six fractional digits and NUL.
-    Value *AllocSize = ConstantInt::get(Type::getInt64Ty(Context),
-                                       IsReal ? std::numeric_limits<double>::max_exponent10 + 10 : 64);
-    Value *Buffer = Builder.CreateCall(MallocFunc, AllocSize, "num_str_buf");
-
-    Value *FormatStr;
-    if (IsReal) {
-        FormatStr = Builder.CreateGlobalString("%f");
-    } else {
-        FormatStr = Builder.CreateGlobalString("%lld");
-    }
-
-    Builder.CreateCall(SnprintfFunc, {Buffer, AllocSize, FormatStr, Num});
-    return Buffer;
-}
-
-Value *StringConversionHandler::emitStrToNum(Value *Str, bool AsReal) {
-    Value *NullPtr = ConstantPointerNull::get(PointerType::getUnqual(Context));
-    if (AsReal) {
-        return Builder.CreateCall(StrtodFunc, {Str, NullPtr}, "str_to_real");
-    } else {
-        Value *Base = ConstantInt::get(Type::getInt32Ty(Context), 10);
-        return Builder.CreateCall(StrtollFunc, {Str, NullPtr, Base}, "str_to_int");
-    }
-}
-
-Value *StringConversionHandler::emitIsNum(Value *Str) {
-    Function *TheFunction = Builder.GetInsertBlock()->getParent();
-    
-    IRBuilder<> TmpB(&TheFunction->getEntryBlock(), TheFunction->getEntryBlock().begin());
-    AllocaInst *EndPtrAlloc = TmpB.CreateAlloca(PointerType::getUnqual(Context), nullptr, "endptr_alloc");
-    
-    Builder.CreateCall(StrtodFunc, {Str, EndPtrAlloc});
-    Value *EndPtrVal = Builder.CreateLoad(PointerType::getUnqual(Context), EndPtrAlloc, "endptr_val");
-    
-    FunctionType *StrLenType = FunctionType::get(Type::getInt64Ty(Context), {PointerType::getUnqual(Context)}, false);
-    FunctionCallee StrLenFunc = Module.getOrInsertFunction("strlen", StrLenType);
-    Value *Len = Builder.CreateCall(StrLenFunc, Str, "str_len");
-    
-    Value *ExpectedEndPtr = Builder.CreateInBoundsGEP(Type::getInt8Ty(Context), Str, Len);
-    
-    Value *IsMatch = Builder.CreateICmpEQ(EndPtrVal, ExpectedEndPtr, "is_full_match");
-    
-    Value *Zero = ConstantInt::get(Type::getInt64Ty(Context), 0);
-    Value *IsNotEmpty = Builder.CreateICmpSGT(Len, Zero, "is_not_empty");
-    
-    return Builder.CreateAnd(IsMatch, IsNotEmpty, "is_num_bool");
-}