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linters, some ast headers

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Motiejus Jakštys
2024-12-18 22:34:22 +02:00
parent c2915d2eaa
commit 7361b6058d
8 changed files with 184 additions and 48 deletions
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104
ast.c
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@@ -2,37 +2,97 @@
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ast.h"
#include "parse.h"
int ast_parse(const char* source, uint32_t len, ast *result) {
ast ast_parse(const char* source, const uint32_t len, int* err)
{
uint32_t estimated_token_count = len / 8;
tokenizer_tag* tokens_tag = calloc(estimated_token_count, sizeof(tokenizer_tag));
if (tokens_tag == NULL) {
perror("calloc");
return 1;
}
ast_index* tokens_start = calloc(estimated_token_count, sizeof(ast_index));
if (tokens_start == NULL) {
free(tokens_tag);
perror("calloc");
return 1;
}
tokenizer_tag* token_tags = NULL;
ast_index* token_starts = NULL;
ast_node_tag* nodes_tags = NULL;
ast_token_index* main_tokens = NULL;
ast_data* nodes_datas = NULL;
ast_node_index* extra_data_arr = NULL;
ast_node_index* scratch_arr = NULL;
tokenizer tokenizer = tokenizer_init(source, len);
for (uint32_t i = 0; i <= estimated_token_count; i++) {
if (i == estimated_token_count) {
if (!(token_tags = calloc(estimated_token_count, sizeof(tokenizer_tag))))
goto err;
if (!(token_starts = calloc(estimated_token_count, sizeof(ast_index))))
goto err;
tokenizer tok = tokenizer_init(source, len);
uint32_t tokens_len = 0;
for (; tokens_len <= estimated_token_count; tokens_len++) {
if (tokens_len == estimated_token_count) {
fprintf(stderr, "too many tokens, bump estimated_token_count\n");
return 1;
goto err;
}
tokenizer_token token = tokenizer_next(&tokenizer);
tokens_tag[i] = token.tag;
tokens_start[i] = token.loc.start;
tokenizer_token token = tokenizer_next(&tok);
token_tags[tokens_len] = token.tag;
token_starts[tokens_len] = token.loc.start;
}
/* TODO parser */
uint32_t estimated_node_count = (tokens_len + 2) / 2;
return 0;
if (!(nodes_tags = calloc(estimated_node_count, sizeof(ast_node_tag))))
goto err;
if (!(main_tokens = calloc(estimated_node_count, sizeof(ast_token_index))))
goto err;
if (!(nodes_datas = calloc(estimated_node_count, sizeof(ast_data))))
goto err;
if (!(extra_data_arr = calloc(16, sizeof(ast_token_index))))
goto err;
if (!(scratch_arr = calloc(16, sizeof(ast_token_index))))
goto err;
parser p = (parser) {
.source = source,
.source_len = len,
.token_tags = token_tags,
.token_starts = token_starts,
.tokens_len = tokens_len,
.tok_i = 0,
.nodes = (ast_node_list) {
.len = 0,
.cap = estimated_node_count,
.tags = nodes_tags,
.main_tokens = main_tokens,
.datas = nodes_datas,
},
.extra_data = (parser_node_index_slice) { .len = 0, .cap = 16, .arr = extra_data_arr },
.scratch = (parser_node_index_slice) { .len = 0, .cap = 16, .arr = scratch_arr },
};
free(scratch_arr);
// TODO work
return (ast) {
.source = source,
.tokens.tags = token_tags,
.tokens.starts = token_starts,
.nodes = p.nodes,
.extra_data = p.extra_data.arr,
.extra_data_len = p.extra_data.len,
};
err:
free(token_tags);
free(token_starts);
free(nodes_tags);
free(main_tokens);
free(nodes_datas);
free(extra_data_arr);
free(scratch_arr);
*err = 1;
return (ast) {};
}