#include "passgen/assert.h"

#include <stdlib.h>

#ifdef PASSGEN_DEBUG

#ifdef PASSGEN_BACKTRACE

#include <execinfo.h>

#endif

#include <stdio.h>

#define CALLSTACK_MAX 128

void passgen_assert_fail(

    const char *cond,

    const char *file,

    const char *func,

    size_t line) {

    // print warning

    fprintf(

        stderr,

        "Assertion failed in file %s at %s:%zu\n  \033[31m%s\033[0m\n",

        file,

        func,

        line,

        cond);

#ifdef PASSGEN_BACKTRACE

    // print backtrace

    fprintf(stderr, "\nBacktrace:\n");

    void *callstack[CALLSTACK_MAX];

    int frames = backtrace(callstack, sizeof(callstack));

    char **strs = backtrace_symbols(callstack, frames);

    for(int i = 0; i < frames; ++i) {

        printf("%s\n", strs[i]);

    }

    free(strs);

#endif

    exit(EXIT_FAILURE);

}

#endif