Experiments/libabacus
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Implement functions to help with allocation.

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This commit is contained in:
Danila Fedorin 2018-02-20 13:11:40 -08:00
parent 8ffcbb0ee2
commit f8d07350a7
1 changed files with 34 additions and 9 deletions
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43
src/parser.c
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@ -81,23 +81,48 @@ libab_result _parser_consume_char(struct parser_state* state, char to_consume) {
libab_result _parse_block(struct parser_state*, libab_tree**, int);
libab_result _parser_construct_node_string(struct parser_state* state, libab_lexer_match* match, libab_tree** into) {
libab_result _parser_allocate_node(struct parser_state* state, libab_lexer_match* match, libab_tree** into) {
libab_result result = LIBAB_SUCCESS;
if(((*into) = malloc(sizeof(**into)))) {
result = _parser_extract_token(state, &(*into)->string_value, match);
} else {
if(((*into) = malloc(sizeof(**into))) == NULL) {
result = LIBAB_MALLOC;
}
if(result != LIBAB_SUCCESS) {
free(*into);
*into = NULL;
} else {
(*into)->from = match->from;
(*into)->to = match->to;
(*into)->line = match->line;
(*into)->line_from = match->line_from;
}
return result;
}
libab_result _parser_construct_node_string(struct parser_state* state, libab_lexer_match* match, libab_tree** into) {
libab_result result = _parser_allocate_node(state, match, into);
if(result == LIBAB_SUCCESS) {
result = _parser_extract_token(state, &(*into)->string_value, match);
}
if(result != LIBAB_SUCCESS) {
free(*into);
*into = NULL;
}
return result;
}
libab_result _parser_construct_node_vec(struct parser_state* state, libab_lexer_match* match, libab_tree** into) {
libab_result result = _parser_allocate_node(state, match, into);
if(result == LIBAB_SUCCESS) {
result = libab_convert_ds_result(vec_init(&(*into)->children));
}
if(result != LIBAB_SUCCESS) {
free(*into);
*into = NULL;
}
return result;
}
return result;
}