add do wraps

This commit is contained in:
2025-06-05 23:08:10 +01:00
parent c0ee99fd54
commit 000845ab25
10 changed files with 163 additions and 50 deletions

104
src/parser/dowrap/dowrap.c Normal file
View File

@@ -0,0 +1,104 @@
#include "../../lexer/token.h"
#include "../../memory.h"
#include "../parser.h"
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
char *repeat_space(size_t x) {
char *str = checked_malloc(x + 1); // +1 for the null terminator
memset(str, ' ', x);
str[x] = '\0';
return str;
}
void free_string_dowrap(void *ptr) {
// `ptr` is a pointer to a char*
char *str = *(char **)ptr;
free(str);
}
ParsedValue *parse_dowrap(char *file, DArray *tokens, size_t *index) {
ParsedValue *parsedValue = checked_malloc(sizeof(ParsedValue));
parsedValue->type = AST_DOWRAP;
DArray *dowrap_parsed = checked_malloc(sizeof(DArray));
darray_init(dowrap_parsed, sizeof(ParsedValue));
parsedValue->data = dowrap_parsed;
(*index)++;
if ((*index) >= tokens->size)
return parsedValue;
Token *token = darray_get(tokens, *index);
if (token->type != TOKEN_NEW_LINE) {
fprintf(stderr, "%s:%zu:%zu error: syntax error\n", file, token->line,
token->column);
exit(EXIT_FAILURE);
}
size_t indent_depth = 0;
bool temp_indent_depth_toggle = false;
size_t temp_indent_depth = 0;
bool pass = false;
DArray dowrap_tokens;
darray_init(&dowrap_tokens, sizeof(Token));
DArray to_free;
darray_init(&to_free, sizeof(char *));
size_t starting_index = *index;
size_t temp_index_count = 0;
while (!pass && ++(*index) < tokens->size) {
token = darray_get(tokens, *index);
switch (token->type) {
case TOKEN_INDENT:
temp_indent_depth_toggle = true;
if (dowrap_tokens.size == 0) {
indent_depth = strlen(token->value);
temp_indent_depth = indent_depth;
} else {
temp_indent_depth = strlen(token->value);
}
break;
case TOKEN_NEW_LINE:
temp_indent_depth = 0;
temp_indent_depth_toggle = true;
darray_push(&dowrap_tokens, token);
temp_index_count++;
break;
default:
if (temp_indent_depth < indent_depth && temp_indent_depth_toggle) {
pass = true;
break;
}
if (temp_indent_depth >= indent_depth) {
size_t indent_amount = temp_indent_depth-indent_depth;
Token indent_token;
indent_token.line = token->line;
indent_token.column = token->column;
indent_token.type = TOKEN_INDENT;
indent_token.value = repeat_space(indent_amount);
darray_push(&dowrap_tokens, &indent_token);
darray_push(&to_free, &indent_token.value);
}
temp_indent_depth_toggle = false;
temp_indent_depth = 0;
temp_index_count=0;
darray_push(&dowrap_tokens, token);
}
}
(*index)-=temp_index_count;
for (size_t i = 0; i<temp_index_count;i++) {
darray_pop(&dowrap_tokens, NULL);
}
parser(file, dowrap_parsed, &dowrap_tokens, false);
darray_free(&dowrap_tokens, NULL);
darray_free(&to_free, free_string_dowrap);
return parsedValue;
}

View File

@@ -0,0 +1,12 @@
#ifndef DOWRAP_H
#define DOWRAP_H
#include "../parser.h"
#include "../../lexer/token.h" // for Token
// Function declaration for parsing an identifier
ParsedValue *parse_dowrap(char *file, DArray *tokens,
size_t *index);
void free_dowrap(void *ptr);
#endif // DOWRAP_H