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feat add func call and rewrite codes

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This commit is contained in:
ZZY
2025-03-07 12:29:53 +08:00
parent 09299e339c
commit 95bf44eb3f
37 changed files with 3369 additions and 1063 deletions
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56
ccompiler/frontend/parser/ast/decl.c
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@@ -6,9 +6,9 @@
* 0 false
* 1 true
*/
int peek_decl(struct Parser* parser) {
flushpeektok(parser);
switch (peektoktype(parser)) {
int peek_decl(tok_buf_t* tokbuf) {
flush_peek_tok(tokbuf);
switch (peek_tok_type(tokbuf)) {
case TOKEN_STATIC:
case TOKEN_EXTERN:
case TOKEN_REGISTER:
@@ -16,10 +16,10 @@ int peek_decl(struct Parser* parser) {
error("not impliment");
break;
default:
flushpeektok(parser);
flush_peek_tok(tokbuf);
}
switch (peektoktype(parser)) {
switch (peek_tok_type(tokbuf)) {
case TOKEN_VOID:
case TOKEN_CHAR:
case TOKEN_SHORT:
@@ -27,60 +27,62 @@ int peek_decl(struct Parser* parser) {
case TOKEN_LONG:
case TOKEN_FLOAT:
case TOKEN_DOUBLE:
// FIXME Ptr
return 1;
default:
flushpeektok(parser);
flush_peek_tok(tokbuf);
}
return 0;
}
struct ASTNode* parse_decl_val(struct Parser* parser) {
flushpeektok(parser);
// parse_type
enum TokenType ttype;
struct ASTNode* node;
ast_node_t* parse_decl_val(parser_t* parser) {
tok_buf_t* tokbuf = &parser->tokbuf;
tok_type_t ttype;
flush_peek_tok(tokbuf);
struct ASTNode* type_node = parse_type(parser);
struct ASTNode* name_node = parser_ident_without_pop(parser);
ast_node_t* node;
ast_node_t* type_node = parse_type(parser);
flush_peek_tok(tokbuf);
ast_node_t* name_node = new_ast_ident_node(peek_tok(tokbuf));
node = new_ast_node();
node->decl_val.type = type_node;
node->decl_val.name = name_node;
node->type = NT_DECL_VAR;
symtab_add_symbol(parser->symtab, name_node->syms.tok.constant.str, node);
symtab_add_symbol(parser->symtab, name_node->syms.tok.val.str, node, 0);
ttype = peektoktype(parser);
ttype = peek_tok_type(tokbuf);
if (ttype == TOKEN_ASSIGN) {
node->decl_val.expr_stmt = parse_stmt(parser);
if (node->decl_val.expr_stmt->type != NT_STMT_EXPR) {
error("parser_decl_val want stmt_expr");
}
} else if (ttype == TOKEN_SEMICOLON) {
poptok(parser);
expecttok(parser, TOKEN_SEMICOLON);
pop_tok(tokbuf);
expect_pop_tok(tokbuf, TOKEN_SEMICOLON);
} else {
error("parser_decl_val syntax error");
}
return node;
}
// 类型解析入口改进
struct ASTNode* parse_decl(struct Parser* parser) {
flushpeektok(parser);
int idx;
enum TokenType ttype;
struct ASTNode* node;
ast_node_t* parse_decl(parser_t* parser) {
tok_buf_t* tokbuf = &parser->tokbuf;
flush_peek_tok(tokbuf);
tok_type_t ttype;
ast_node_t* node;
if (peek_decl(parser) == 0) {
if (peek_decl(tokbuf) == 0) {
error("syntax error expect decl_val TYPE");
}
if (peektoktype(parser) != TOKEN_IDENT) {
if (peek_tok_type(tokbuf) != TOKEN_IDENT) {
error("syntax error expect decl_val IDENT");
}
ttype = peektoktype(parser);
ttype = peek_tok_type(tokbuf);
switch (ttype) {
case TOKEN_L_PAREN: // (
node = parse_func(parser);
return NULL;
break;
case TOKEN_ASSIGN:
case TOKEN_SEMICOLON: