motiejus/zig
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colored error messages that tell the source file

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This commit is contained in:
Andrew Kelley
2015-12-01 00:50:11 -07:00
parent 31cf43de54
commit 257cf09472
16 changed files with 240 additions and 113 deletions
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38
src/errmsg.cpp Normal file
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@@ -0,0 +1,38 @@
#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) {
if (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));
assert(err->source);
assert(err->line_offsets);
int line_start_offset = err->line_offsets->at(err->line_start);
int line_end_offset = err->line_offsets->at(err->line_start + 1);
fwrite(buf_ptr(err->source) + line_start_offset, 1, line_end_offset - line_start_offset - 1, stderr);
fprintf(stderr, "\n");
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));
}
}