log.qh

Go to the documentation of this file.

#pragma once

#include "progname.qh"

void print_assertfailed_severe(string expr);
void print_assertfailed_fatal(string expr);

#define assert(expr, ...) _assert(print_assertfailed_severe, expr, __VA_ARGS__)
#define devassert(...) MACRO_BEGIN if (autocvar_developer > 0) assert(__VA_ARGS__); MACRO_END

#define assert_once(expr, ...) \
    MACRO_BEGIN \
        static bool __once; \
        if (!__once) \
        { \
            assert(expr, __VA_ARGS__); \
            __once = true; \
        } \
    MACRO_END
#define devassert_once(...) MACRO_BEGIN if (autocvar_developer > 0) assert_once(__VA_ARGS__); MACRO_END

#define demand(expr, ...) _assert(print_assertfailed_fatal, expr, __VA_ARGS__)
#define devdemand(...) MACRO_BEGIN if (autocvar_developer > 0) demand(__VA_ARGS__); MACRO_END

#define _assert(f, expr, then) \
    MACRO_BEGIN \
        if (!(expr)) \
        { \
            f(#expr); \
            then; \
        } \
    MACRO_END

#define ASSERT_LESS(name, var, const) noref int name[(const - var + 1)];


#if defined(MENUQC)
string(string, string...) strcat1n = #53;
#else
string(string, string...) strcat1n = #115;
#endif

// would be nice if __FUNC__ could be concatenated at compile time
#if 0
    // less work, bigger binary
    #define __SOURCELOC__ (sprintf("^7%s^9(^9"__FILE__"^7:^9"STR(__LINE__)"^7)", __FUNC__))
#else
    #define __SOURCELOC__ (sprintf("^7%s^9(^9%s^7:^9%s^7)", __FUNC__, __FILE__, STR(__LINE__)))
#endif

#define _LOG_HEADER(level) "^9[::^7"PROGNAME"^9::"level"^9] ", __SOURCELOC__
#define _LOG(f, level, s) \
    MACRO_BEGIN \
        if (autocvar_developer > 0) f(strcat1n(_LOG_HEADER(level), "\n")); \
        f(strcat1n("^7", s, "\n")); \
    MACRO_END

#define  LOG_FATAL(...) _LOG_FATAL(strcat1n(__VA_ARGS__))
#define  LOG_FATALF(...) _LOG_FATAL(sprintf(__VA_ARGS__))
#define _LOG_FATAL(s) _LOG(error, "^1FATAL", s)

#define  LOG_SEVERE(...) _LOG_SEVERE(strcat1n(__VA_ARGS__))
#define  LOG_SEVEREF(...) _LOG_SEVERE(sprintf(__VA_ARGS__))
#define _LOG_SEVERE(s) _LOG(backtrace, "^1SEVERE", s)

#define  LOG_WARN(...) _LOG_WARN(strcat1n(__VA_ARGS__))
#define  LOG_WARNF(...) _LOG_WARN(sprintf(__VA_ARGS__))
#define _LOG_WARN(s) _LOG(print, "^3WARNING", s)

#define  LOG_INFO(...) _LOG_INFO(strcat1n(__VA_ARGS__))
#define  LOG_INFOF(...) _LOG_INFO(sprintf(__VA_ARGS__))
#define _LOG_INFO(s) \
    MACRO_BEGIN \
        if (autocvar_developer > 1) dprint(strcat1n(_LOG_HEADER("^5INFO"), "\n")); \
        string __s = s; \
        print("^7", __s); \
        /* TODO: unconditionally add a newline when possible */ \
        if (str2chr(__s, strlen(__s) - 1) != '\n') { print("\n"); } \
    MACRO_END

#define  LOG_TRACE(...) _LOG_TRACE(strcat1n(__VA_ARGS__))
#define  LOG_TRACEF(...) _LOG_TRACE(sprintf(__VA_ARGS__))
#define _LOG_TRACE(s) _LOG(dprint, "^6TRACE", s)

#define  LOG_DEBUG(...) _LOG_DEBUG(strcat1n(__VA_ARGS__))
#define  LOG_DEBUGF(...) _LOG_DEBUG(sprintf(__VA_ARGS__))
#define _LOG_DEBUG(s) _LOG(dprint2, "^2DEBUG", s)

#define dprint2(msg) \
    MACRO_BEGIN \
        if (autocvar_developer > 1) dprint(msg); \
    MACRO_END

// simpler version for help messages
#define  LOG_HELP(...) _LOG_HELP(strcat1n(__VA_ARGS__))
#define  LOG_HELPF(...) _LOG_HELP(sprintf(__VA_ARGS__))
#define _LOG_HELP(s) print("^7", s, "\n")

// TODO: this sucks, lets find a better way to do backtraces?
#define _backtrace() builtin_remove(NULL)

noref int autocvar_developer;
noref bool autocvar_prvm_backtraceforwarnings;

#define backtrace(msg) \
    MACRO_BEGIN \
        int dev = autocvar_developer; \
        bool war = autocvar_prvm_backtraceforwarnings; \
        cvar_set("developer", "1"); \
        cvar_set("prvm_backtraceforwarnings", "1"); \
        print("\n--- CUT HERE ---\n", msg); \
        _backtrace(); \
        print("\n--- CUT UNTIL HERE ---\n"); \
        cvar_set("developer", ftos(dev)); \
        cvar_set("prvm_backtraceforwarnings", ftos(war)); \
    MACRO_END

void print_assertfailed_severe(string expr)
{
    // this is inside a function to avoid expanding it on compilation everytime
    LOG_SEVERE("assertion failed: `", expr, "`\n");
}

void print_assertfailed_fatal(string expr)
{
    // this is inside a function to avoid expanding it on compilation everytime
    LOG_FATAL("assertion failed: `", expr, "`\n");
}