log.qh

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#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)];
 
 
// 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)\n", __FUNC__))
#else
    #define __SOURCELOC__ (sprintf("^7%s^9(^9%s^7:^9%s^7)\n", __FUNC__, __FILE__, STR(__LINE__)))
#endif
 
#define _LOG_HEADER(level, full) strcat("^9[::^7", PROGNAME, "^9::", level, "^9] ", ((full) ? __SOURCELOC__ : ""))
 
#define _LOG(func_header, level, func_msg, s) MACRO_BEGIN \
    func_header(_LOG_HEADER(level, autocvar_developer > 0)); \
    func_msg(strcat("^7", s, "\n")); \
MACRO_END
 
#define  LOG_FATAL(...) _LOG_FATAL(strcat(__VA_ARGS__))
#define  LOG_FATALF(...) _LOG_FATAL(sprintf(__VA_ARGS__))
#define _LOG_FATAL(s) _LOG(print, "^1FATAL", error, s)
 
#define  LOG_SEVERE(...) _LOG_SEVERE(strcat(__VA_ARGS__))
#define  LOG_SEVEREF(...) _LOG_SEVERE(sprintf(__VA_ARGS__))
#define _LOG_SEVERE(s) _LOG(print, "^1SEVERE", backtrace, s)
 
#define  LOG_WARN(...) _LOG_WARN(strcat(__VA_ARGS__))
#define  LOG_WARNF(...) _LOG_WARN(sprintf(__VA_ARGS__))
#define _LOG_WARN(s) _LOG(print, "^3WARNING", print, s)
 
#define  LOG_INFO(...) _LOG_INFO(strcat(__VA_ARGS__))
#define  LOG_INFOF(...) _LOG_INFO(sprintf(__VA_ARGS__))
#define _LOG_INFO(s) MACRO_BEGIN \
    if (autocvar_developer > 0) \
        print(_LOG_HEADER("^5INFO", autocvar_developer > 1)); \
    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(strcat(__VA_ARGS__))
#define  LOG_TRACEF(...) _LOG_TRACE(sprintf(__VA_ARGS__))
#define _LOG_TRACE(s) _LOG(dprint, "^6TRACE", dprint, s)
 
#define  LOG_DEBUG(...) _LOG_DEBUG(strcat(__VA_ARGS__))
#define  LOG_DEBUGF(...) _LOG_DEBUG(sprintf(__VA_ARGS__))
#define _LOG_DEBUG(s) if (autocvar_developer > 1) _LOG(dprint, "^2DEBUG", dprint, s)
 
// same as LOG_INFO but without any debug information that bloats console output and compiled program files
#define  LOG_HELP(...) _LOG_HELP(strcat(__VA_ARGS__))
#define  LOG_HELPF(...) _LOG_HELP(sprintf(__VA_ARGS__))
#define _LOG_HELP(s) MACRO_BEGIN \
    string __s = s; \
    print("^7", __s, (str2chr(__s, strlen(__s) - 1) != '\n') ? "\n" : ""); \
MACRO_END
 
// 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");
}