142 lines
3.9 KiB
C
142 lines
3.9 KiB
C
/*
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* SPDX-FileCopyrightText: 2025 William Bell
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#include "err.h"
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#include "../external/libdye/include/dye.h"
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#include <ctype.h>
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#include <stdarg.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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const ArErr no_err = (ArErr){false};
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ArErr create_err(int64_t line, int64_t column, int length, char *path,
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const char *type, const char *fmt, ...) {
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ArErr err;
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err.exists = true;
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err.path = path;
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err.line = line;
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err.column = column;
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err.length = length;
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// Copy error type safely
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strncpy(err.type, type, sizeof(err.type) - 1);
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err.type[sizeof(err.type) - 1] = '\0';
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// Format error message
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va_list args;
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va_start(args, fmt);
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vsnprintf(err.message, sizeof(err.message), fmt, args);
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va_end(args);
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return err;
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}
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void output_err(ArErr err) {
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if (!err.exists)
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return;
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dye(stderr, DYE_WHITE, DYE_RED);
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fprintf(stderr, "ERROR!");
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dye(stderr, DYE_RESET, DYE_RESET);
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fprintf(stderr, " ");
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dyefg(stderr, DYE_RED);
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dye_style(stderr, DYE_STYLE_BOLD);
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fprintf(stderr, "%s", err.type);
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dye_style(stderr, DYE_STYLE_RESET);
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dyefg(stderr, DYE_RESET);
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fprintf(stderr, ": ");
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dyefg(stderr, DYE_RED);
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fprintf(stderr, "%s", err.message);
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dye_style(stderr, DYE_STYLE_RESET);
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dyefg(stderr, DYE_RESET);
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fprintf(stderr, "\n");
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if (err.path && err.line) {
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dyefg(stderr, DYE_GRAY);
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fprintf(stderr, " --> ");
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dyefg(stderr, DYE_CYAN);
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fprintf(stderr, "%s", err.path);
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dyefg(stderr, DYE_GRAY);
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fprintf(stderr, ":");
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dyefg(stderr, DYE_YELLOW);
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fprintf(stderr, "%zu", err.line);
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dyefg(stderr, DYE_GRAY);
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fprintf(stderr, ":");
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dyefg(stderr, DYE_YELLOW);
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fprintf(stderr, "%zu", err.column);
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dye_style(stderr, DYE_STYLE_RESET);
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dyefg(stderr, DYE_RESET);
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fprintf(stderr, "\n");
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FILE *file = fopen(err.path, "r");
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if (file) {
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dye_style(stderr, DYE_STYLE_RESET);
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dyefg(stderr, DYE_RESET);
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int line_number_width = snprintf(NULL, 0, "%zu", err.line);
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char *buffer = NULL;
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size_t size = 0;
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int current_line = 1;
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ssize_t len;
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while ((len = getline(&buffer, &size, file)) != -1) {
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if (current_line == err.line) {
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printf("bruh\n");
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break;
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}
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current_line++;
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}
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fprintf(stderr, " ");
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for (int i = 0; i < line_number_width; i++) {
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fprintf(stderr, " ");
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}
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fprintf(stderr, "|\n");
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char *line_starts = buffer;
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size_t skipped_chars = 0;
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while (*line_starts && isspace((unsigned char)*line_starts) && line_starts-buffer < err.column-1) {
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line_starts++;
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err.column--;
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skipped_chars++;
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}
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fprintf(stderr, " %zu | ", err.line);
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if (err.length) {
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fprintf(stderr, "%.*s", (int)err.column-1, line_starts);
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dyefg(stderr, DYE_RED);
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dye_style(stderr, DYE_STYLE_BOLD);
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fprintf(stderr, "%.*s", err.length, line_starts + err.column - 1);
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dye_style(stderr, DYE_STYLE_RESET);
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dyefg(stderr, DYE_RESET);
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fprintf(stderr, "%.*s", (int)len - (int)skipped_chars-(int)err.column-(int)err.length, line_starts + (int)err.column + err.length - 1);
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for (int64_t i = 0; i < err.column - 1; i++) {
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fprintf(stderr, " ");
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}
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} else {
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fprintf(stderr, "%s", line_starts);
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}
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free(buffer);
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fprintf(stderr, "\n ");
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for (int i = 0; i < line_number_width; i++) {
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fprintf(stderr, " ");
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}
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fprintf(stderr, "| ");
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for (int i = 1; i < err.column; i++) {
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fprintf(stderr, " ");
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}
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dyefg(stderr, DYE_RED);
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dye_style(stderr, DYE_STYLE_BOLD);
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for (int i = 0; i < err.length; i++) {
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fprintf(stderr, "^");
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}
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dye_style(stderr, DYE_STYLE_RESET);
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dyefg(stderr, DYE_RESET);
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fprintf(stderr, "\n");
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}
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}
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} |