dbg.h

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#pragma once
 
#include "fl/strstream.h"
 
namespace fl {
// ".build/src/fl/dbg.h" -> "src/fl/dbg.h"
// "blah/blah/blah.h" -> "blah.h"
inline const char *fastled_file_offset(const char *file) {
    const char *p = file;
    const char *last_slash = nullptr;
 
    while (*p) {
        if (p[0] == 's' && p[1] == 'r' && p[2] == 'c' && p[3] == '/') {
            return p; // Skip past "src/"
        }
        if (*p == '/') { // fallback to using last slash
            last_slash = p;
        }
        p++;
    }
    // If "src/" not found but we found at least one slash, return after the
    // last slash
    if (last_slash) {
        return last_slash + 1;
    }
    return file; // If no slashes found at all, return original path
}
} // namespace fl
 
#ifdef __EMSCRIPTEN__
#define FASTLED_DBG_USE_PRINTF 1
#endif
 
#ifndef FASTLED_DBG_USE_PRINTF
#if defined(DEBUG) &&                                                          \
    (defined(__IMXRT1062__) || defined(ESP32) || defined(FASTLED_TESTING))
#define FASTLED_DBG_USE_PRINTF 1
#else
#define FASTLED_DBG_USE_PRINTF 0
#endif
#endif
 
#if FASTLED_DBG_USE_PRINTF
#define FASTLED_HAS_DBG 1
#include <stdio.h> // ok include
namespace fl {}    // namespace fl
#define _FASTLED_DGB(X)                                                        \
    printf("%s", (fl::StrStream() << (fl::fastled_file_offset(__FILE__))       \
                                  << "(" << __LINE__ << "): " << X << "\n")    \
                     .c_str())
 
#define FASTLED_DBG(X) _FASTLED_DGB(X)
#endif
 
#ifndef FASTLED_HAS_DBG
// FASTLED_DBG is a macro that can be defined to enable debug printing.
#define FASTLED_DBG(X) (fl::FakeStrStream() << X)
#endif
 
#ifndef FASTLED_DBG_IF
#ifdef FASTLED_HAS_DBG
#define FASTLED_DBG_IF(COND, MSG)                                              \
    if (COND)                                                                  \
    FASTLED_DBG(MSG)
#else
#define FASTLED_DBG_IF(COND, MSG)                                              \
    while (false && (COND)) {                                                  \
        FASTLED_DBG(MSG);                                                      \
    }
#endif // FASTLED_HAS_DBG
#endif // FASTLED_DBG_IF