stable

ccompiler/middleend/ir/ir_ast.c

@@ -58,6 +58,8 @@ static ir_node_t* gen_ir_term(ast_node_t* node) {
             Panic("gen_ir_expr: unknown node type");
         }
     }
+    TODO();
+    return NULL;
 }
 
 static ir_node_t* gen_ir_expr(ast_node_t* node) {
@@ -239,8 +241,11 @@ void gen_ir_jmp(ast_node_t* node) {
     switch (node->type) {
         case NT_STMT_IF: {
             ir_bblock_t* trueb = bblocks[0];
+            trueb->label = "if_true";
             ir_bblock_t* falseb = bblocks[1];
+            falseb->label = "if_false";
             ir_bblock_t* endb = bblocks[2];
+            endb->label = "if_end";
             ir_node_t* jmp;
             
             // cond
@@ -248,19 +253,16 @@ void gen_ir_jmp(ast_node_t* node) {
             emit_br(cond, trueb, falseb);
 
             // true block
-            vector_push(ctx.cur_func->bblocks, trueb);
             ctx.cur_block = trueb;
             _gen_ir_from_ast(node->if_stmt.if_stmt);
             
             // else block
             if (node->if_stmt.else_stmt != NULL) {
-                vector_push(ctx.cur_func->bblocks, falseb);
                 ctx.cur_block = falseb;
                 _gen_ir_from_ast(node->if_stmt.else_stmt);
                 ir_node_t* jmp;
                 
                 ctx.cur_block = endb;
-                vector_push(ctx.cur_func->bblocks, ctx.cur_block);
                 NEW_IR_JMP(jmp, ctx.cur_block);
                 emit_instr(falseb, jmp);
             } else {

ccompiler/middleend/ir/ir_ast.h

@@ -2,6 +2,7 @@
 #define __IR_AST_H__
 
 #include "ir.h"
+typedef struct ast_node ast_node_t;
 ir_prog_t* gen_ir_from_ast(ast_node_t* node);
 
 #endif //

ccompiler/middleend/middleend.c

@@ -0,0 +1,5 @@
+#include "middleend.h"
+
+ir_prog_t* cc_middleend(ast_node_t* root, cc_midend_conf_t* conf) {
+    return gen_ir_from_ast(root);
+}

ccompiler/middleend/middleend.h

@@ -1,7 +1,13 @@
-#ifndef __SMCC_MIDDLEEND_H__
-#define __SMCC_MIDDLEEND_H__
+#ifndef __SMCC_CC_MIDDLEEND_H__
+#define __SMCC_CC_MIDDLEEND_H__
 
 #include "ir/ir.h"
 #include "ir/ir_ast.h"
 
+typedef struct cc_midend_conf {
+    // cc_arch_t arch;
+} cc_midend_conf_t;
+// TODO add some feature to cc_middleend like optimization
+ir_prog_t* cc_middleend(ast_node_t* root, cc_midend_conf_t* conf);
+
 #endif // __SMCC_MIDDLEEND_H__

ccompiler/middleend/tests/Makefile

@@ -1,8 +0,0 @@
-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

@@ -1,7 +0,0 @@
-int add(int a, int b) {
-    return a + b;
-}
-
-int main(void) {
-    return add(1, 2);
-}

ccompiler/middleend/tests/test_ir.c

@@ -1,18 +0,0 @@
-#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;
-}