refactor, optimize, oob check

CMakeLists.txt

@@ -52,10 +52,13 @@ target_link_libraries(llvm-shared INTERFACE ${LLVM_SHARED_LIBRARIES})
 
 add_library(libbfjit STATIC
 	include/bfjit.h
+    include/bfjit_internal.h
     include/bflexer.h
     include/bfopt.h
     include/bfparser.h
 	src/bfjit.c
+    src/bfjit_codegen.c
+    src/bfjit_runtime.c
     src/bflexer.c
     src/bfopt.c
     src/bfparser.c

include/bfjit_internal.h

@@ -0,0 +1,21 @@
+#ifndef BFJIT_INTERNAL_H
+#define BFJIT_INTERNAL_H
+
+#include "bfjit.h"
+
+#include <llvm-c/Core.h>
+#include <llvm-c/Error.h>
+#include <llvm-c/LLJIT.h>
+#include <llvm-c/Orc.h>
+
+void bf_jit_err_reset(bf_jit_err *err);
+void bf_set_jit_err(bf_jit_err *err, const char *msg);
+void bf_set_jit_err_from_llvm(bf_jit_err *err, LLVMErrorRef llvm_err);
+
+LLVMModuleRef bf_build_module(LLVMContextRef ctx, const bf_program *program,
+                              bf_jit_err *err);
+int bf_opt_llvm_module(LLVMModuleRef mod, bf_jit_err *err);
+
+LLVMOrcMaterializationUnitRef bf_create_io_symbols(LLVMOrcLLJITRef jit);
+
+#endif

include/bfparser.h

@@ -13,6 +13,8 @@ typedef enum bf_ir_kind {
     BF_IR_OUTPUT,
     BF_IR_LOOP,
     BF_IR_SET_ZERO,
+    BF_IR_SET_CONST,
+    BF_IR_MULTI_ZERO,
     BF_IR_SCAN,
     BF_IR_MULTIPLY_LOOP
 } bf_ir_kind;