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#include <lib.h>
#include <log.h>
static void context_print(FILE *fd, struct ctx *ctx)
{
const char *data = ctx->data ? ctx->data : ctx->raw;
// Find line, column
size_t line = 0, column = 0, index = 0;
for (; index < ctx->size; index++) {
char cur = data[index];
column++;
if (line == ctx->line && column == ctx->column)
break;
if (cur == '\n') {
line++;
column = 0;
continue;
} else if (cur == '\0') {
fprintf(stderr, "Invalid context!");
context_destroy(ctx);
exit(1);
break;
}
}
if (++index >= ctx->size)
return; // Couldn't find context, idc?
fprintf(fd, "\x1B[1;36m%s:%ld:%ld:\x1B[0m '", ctx->path, ctx->line + 1, ctx->column + 1);
// Print line context
size_t start = ctx->column > 5 ? index - 5 : index;
size_t end = ctx->size - index > 5 ? index + 5 : index + 1;
for (size_t i = start; i < end; i++) {
if (i == index) {
fprintf(fd, "\x1B[1;32m%c\x1B[0m", data[i]);
} else {
fprintf(fd, "%c", data[i]);
}
}
fprintf(fd, "': ");
}
void errln(struct ctx *ctx, const char *fmt, ...)
{
context_print(stderr, ctx);
fprintf(stderr, "\x1B[1;31m");
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
va_end(ap);
fprintf(stderr, "\x1B[0m");
context_destroy(ctx);
exit(1);
}
void err(const char *fmt, ...)
{
fprintf(stderr, "\x1B[1;31m");
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
va_end(ap);
fprintf(stderr, "\x1B[0m");
exit(1);
}
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