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#include "errmsg.hpp"
#include "os.hpp"
#include <stdio.h>
#define RED "\x1b[31;1m"
#define WHITE "\x1b[37;1m"
#define GREEN "\x1b[32;1m"
#define RESET "\x1b[0m"
void print_err_msg(ErrorMsg *err, ErrColor color) {
if (color == ErrColorOn || (color == ErrColorAuto && os_stderr_tty())) {
fprintf(stderr, WHITE "%s:%d:%d: " RED "error:" WHITE " %s" RESET "\n",
buf_ptr(err->path),
err->line_start + 1, err->column_start + 1,
buf_ptr(err->msg));
fprintf(stderr, "%s\n", buf_ptr(&err->line_buf));
for (int i = 0; i < err->column_start; i += 1) {
fprintf(stderr, " ");
}
fprintf(stderr, GREEN "^" RESET "\n");
} else {
fprintf(stderr, "%s:%d:%d: error: %s\n",
buf_ptr(err->path),
err->line_start + 1, err->column_start + 1,
buf_ptr(err->msg));
}
for (int i = 0; i < err->notes.length; i += 1) {
ErrorMsg *note = err->notes.at(i);
print_err_msg(note, color);
}
}
void err_msg_add_note(ErrorMsg *parent, ErrorMsg *note) {
parent->notes.append(note);
}
ErrorMsg *err_msg_create_with_offset(Buf *path, int line, int column, int offset,
const char *source, Buf *msg)
{
ErrorMsg *err_msg = allocate<ErrorMsg>(1);
err_msg->path = path;
err_msg->line_start = line;
err_msg->column_start = column;
err_msg->msg = msg;
int line_start_offset = offset;
for (;;) {
if (line_start_offset == 0) {
break;
} else if (source[line_start_offset] == '\n') {
line_start_offset += 1;
break;
}
line_start_offset -= 1;
}
int line_end_offset = offset;
while (source[line_end_offset] && source[line_end_offset] != '\n') {
line_end_offset += 1;
}
buf_init_from_mem(&err_msg->line_buf, source + line_start_offset, line_end_offset - line_start_offset);
return err_msg;
}
ErrorMsg *err_msg_create_with_line(Buf *path, int line, int column,
Buf *source, ZigList<int> *line_offsets, Buf *msg)
{
ErrorMsg *err_msg = allocate<ErrorMsg>(1);
err_msg->path = path;
err_msg->line_start = line;
err_msg->column_start = column;
err_msg->msg = msg;
int line_start_offset = line_offsets->at(line);
int end_line = line + 1;
int line_end_offset = (end_line >= line_offsets->length) ? buf_len(source) : line_offsets->at(line + 1);
int len = line_end_offset - line_start_offset - 1;
if (len < 0) {
len = 0;
}
buf_init_from_mem(&err_msg->line_buf, buf_ptr(source) + line_start_offset, len);
return err_msg;
}
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