zzy/scc
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

feat add func call and rewrite codes

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

23
ccompiler/frontend/parser/ast/program.c
View File

@@ -5,25 +5,30 @@
#define PROG_MAX_NODE_SIZE (1024 * 4)
#endif
void parse_prog(struct Parser* parser) {
void parse_func(parser_t* parser);
void parse_prog(parser_t* parser) {
/**
* Program := (Declaration | Definition)*
* same as
* Program := Declaration* Definition*
*/
int child_size = 0;
tok_buf_t *tokbuf = &(parser->tokbuf);
parser->root = new_ast_node();
struct ASTNode* node;
parser->root->root.children = xmalloc(sizeof(struct ASTNode*) * PROG_MAX_NODE_SIZE);
ast_node_t* node;
parser->root->type = NT_ROOT;
vector_init(parser->root->root.children);
while (1) {
flushpeektok(parser);
if (peektoktype(parser) == TOKEN_EOF) {
flush_peek_tok(tokbuf);
if (peek_tok_type(tokbuf) == TOKEN_EOF) {
break;
}
node = parse_decl(parser);
parser->root->root.children[child_size++] = node;
if (node == NULL) {
parse_func(parser);
} else {
vector_push(parser->root->root.children, node);
}
}
parser->root->type = NT_ROOT;
parser->root->root.child_size = child_size;
return;
}