Added array

1 files changed, 50 insertions, 0 deletions

diff --git a/include/cps/ArrayHandler.h b/include/cps/ArrayHandler.h
new file mode 100644
index 0000000..5052de4
--- /dev/null
+++ b/include/cps/ArrayHandler.h
@@ -0,0 +1,50 @@
+#pragma once
+#include "llvm/IR/IRBuilder.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/Module.h"
+#include "cps/AST.h"
+#include <map>
+#include <string>
+#include <vector>
+
+namespace cps {
+
+struct ArrayMetadata {
+    int Rank;
+    llvm::Type* ElementType;
+    std::vector<llvm::Value*> LowerBounds;
+    std::vector<llvm::Value*> UpperBounds;
+    std::vector<llvm::Value*> Multipliers; 
+};
+
+class CodeGen;
+
+class ArrayHandler {
+    llvm::LLVMContext *TheContext;
+    llvm::IRBuilder<> *Builder;
+    llvm::Module *TheModule;
+    std::map<std::string, llvm::AllocaInst*> *NamedValues;
+
+    std::map<std::string, ArrayMetadata> ArrayTable;
+
+    llvm::FunctionCallee MallocFunc;
+    llvm::FunctionCallee FreeFunc;
+
+    llvm::Value* computeFlatIndex(const std::string &Name, const std::vector<llvm::Value*> &Indices);
+    
+    void emitPrintLoop(const std::string &Name, int CurrentDim, std::vector<llvm::Value*> CurrentIndices, llvm::FunctionCallee PrintfFunc, llvm::Value* FmtStr);
+
+public:
+    ArrayHandler(llvm::LLVMContext &C, llvm::IRBuilder<> &B, llvm::Module &M, std::map<std::string, llvm::AllocaInst*> &NV);
+
+    void setupExternalFunctions();
+    
+    void emitArrayDeclare(ArrayDeclareStmtAST *Stmt, CodeGen &CG);
+    void emitArrayAssign(ArrayAssignStmtAST *Stmt, CodeGen &CG);
+    
+    llvm::Value* emitArrayAccess(ArrayAccessExprAST *Expr, CodeGen &CG);
+
+    bool tryEmitArrayOutput(ExprAST *Expr, CodeGen &CG, llvm::FunctionCallee PrintfFunc, llvm::Value* FmtStr);
+};
+
+}