debug_print.cpp

#include <stdio.h>
#include <stdarg.h>

#include "common.h"
#include "debug_print.h"
#include "error.h"

extern config_t config;
static int __call_depth = 0;
static int indent_char;

LogScope::LogScope() {
    if (config.log) {
        ++__call_depth;
    }
}

LogScope::~LogScope() {
    if (config.log) {
        --__call_depth;
    }
}

void print_indentation() {
    if (config.log) {
        if (__call_depth > 0) {
            for (int i = 0; i != __call_depth - 1; ++i)
                printf("%c ", indent_char);
        }
    }
}
    
void debug_print(const char *fmt, ...) {
    if (config.log) {
        va_list args;
        va_start(args, fmt);
        print_indentation();
        vprintf(fmt, args);
        va_end(args);
    }
}

void debug_line(const char *fmt, ...) {
    if (config.log) {
        va_list args;
        va_start(args, fmt);
        debug_print(fmt, args);
        printf("\n");
        va_end(args);
    }
}

void set_indent_char(int c) {
    indent_char = c;
}