fix: compare strings by content

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

2 files changed, 4 insertions, 2 deletions

diff --git a/include/cps/FileHandler.h b/include/cps/FileHandler.h
index aaad6a0..3898a57 100644
--- a/include/cps/FileHandler.h
+++ b/include/cps/FileHandler.h
@@ -11,8 +11,8 @@ class RuntimeCheck;
 // Emits the text-file runtime: a fixed-size open-file table plus internal
 // __cps_file_* helper functions, synthesized once on first use so programs
 // without file statements keep their IR unchanged. The table is keyed by
-// filename *content* (strcmp) — pseudocode STRING equality is pointer
-// identity, so the same file may be named by many different buffers.
+// filename *content* (strcmp), so the same file may be named by many
+// different buffers.
 // Leaf module: methods only take and return llvm::Value*s; expression
 // evaluation, type coercion and the symbol table stay in CodeGen.
 class FileHandler {
diff --git a/include/cps/StringHandler.h b/include/cps/StringHandler.h
index e9a8752..0b2447c 100644
--- a/include/cps/StringHandler.h
+++ b/include/cps/StringHandler.h
@@ -16,6 +16,7 @@ class StringHandler {
     llvm::FunctionCallee MemCpyFunc;
     llvm::FunctionCallee StrCpyFunc;
     llvm::FunctionCallee StrCatFunc;
+    llvm::FunctionCallee StrCmpFunc;
     llvm::FunctionCallee ToUpperFunc;
     llvm::FunctionCallee ToLowerFunc;
 
@@ -30,6 +31,7 @@ public:
     
     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);