init basic

ccompiler/middleend/tests/Makefile

@@ -0,0 +1,8 @@
+all: test_ir
+
+
+test_ir: frontend
+	gcc -g ../ir.c test_ir.c -L../../frontend -lfrontend -o test_ir
+
+frontend:
+	make -C ../../frontend

ccompiler/middleend/tests/test_file.c

@@ -0,0 +1,5 @@
+int main(void) {
+    int a;
+    a = 1 + 2 * 3;
+    return a;
+}

ccompiler/middleend/tests/test_ir.c

@@ -0,0 +1,18 @@
+#include "../ir.h"
+#include "../../frontend/frontend.h"
+
+int main(int argc, const char** argv) {
+    const char* file_name = "test_file.c";
+    if (argc == 2) {
+        file_name = argv[1];
+    }
+    FILE* fp = fopen(file_name, "r");
+    if (fp == NULL) {
+        perror("open file failed");
+        return 1;
+    }
+    printf("open file success\n");
+    struct ASTNode* root = frontend("test.c", fp, (sread_fn)fread_s);
+    gen_ir_from_ast(root);
+    return 0;
+}