dump() [1/2]

fl::string fl::ScopedTrace::dump ( )

static

Dump the current call stack to a string.

Returns

String representation of the stack trace

Definition at line 95 of file trace.cpp.hpp.

                                        {
    auto& storage = getTraceStorage();
    fl::string result = "Stack trace (depth ";
 
    char depth_str[32];
    fl::snprintf(depth_str, sizeof(depth_str), "%zu", (size_t)storage.stackDepth);
    result += depth_str;
    result += "):\n";
 
    if (storage.callStack.empty()) {
        result += "  <empty>\n";
        return result;
    }
 
    // Show overflow warning if depth exceeds capacity
    if (storage.stackDepth > FL_STACK_TRACE_MAX_DEPTH) {
        result += "  <WARNING: Stack overflow - showing last ";
        char max_str[32];
        fl::snprintf(max_str, sizeof(max_str), "%d", FL_STACK_TRACE_MAX_DEPTH);
        result += max_str;
        result += " of ";
        result += depth_str;
        result += " entries>\n";
    }
 
    // Dump all stored entries in format: functionName(lineNo)
    for (fl::size i = 0; i < storage.callStack.size(); ++i) {
        const auto& entry = storage.callStack[i];
        char line_buf[256];
        if (entry.line > 0) {
            fl::snprintf(line_buf, sizeof(line_buf), "  [%zu] %s(%d)\n", (size_t)i, entry.function, entry.line);
        } else {
            fl::snprintf(line_buf, sizeof(line_buf), "  [%zu] %s\n", (size_t)i, entry.function);
        }
        result += line_buf;
    }
 
    return result;
}

References fl::FL_NO_EXCEPT, FL_STACK_TRACE_MAX_DEPTH, fl::getTraceStorage(), and fl::snprintf().

Referenced by operator=().

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