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Format frames directly to the stream

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This commit is contained in:
Jeremy Rifkin 2025-02-02 16:45:49 -06:00
parent eb83ee2a1c
commit f0a9e12e88
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GPG Key ID: 19AA8270105E8EB4
1 changed files with 14 additions and 15 deletions
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29
src/formatting.cpp
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@ -52,7 +52,9 @@ namespace cpptrace {
}
std::string format(const stacktrace_frame& frame, detail::optional<bool> color_override = detail::nullopt) const {
return frame_to_string(frame, color_override.value_or(options.color == color_mode::always));
std::ostringstream oss;
print_frame_inner(oss, frame, color_override.value_or(options.color == color_mode::always));
return std::move(oss).str();
}
std::string format(const stacktrace& trace, detail::optional<bool> color_override = detail::nullopt) const {
@ -178,13 +180,12 @@ namespace cpptrace {
unsigned frame_number_width,
std::size_t counter
) const {
std::string line = microfmt::format("#{<{}} {}", frame_number_width, counter, frame_to_string(frame, color));
stream << line;
microfmt::print(stream, "#{<{}} ", frame_number_width, counter);
print_frame_inner(stream, frame, color);
}
void print_placeholder_frame(std::ostream& stream, unsigned frame_number_width, std::size_t counter) const {
std::string line = microfmt::format("#{<{}} (filtered)", frame_number_width, counter);
stream << line;
microfmt::print(stream, "#{<{}} (filtered)", frame_number_width, counter);
}
void print_frame_internal(
@ -194,34 +195,32 @@ namespace cpptrace {
) const {
bool do_color = should_do_color(stream, color_override);
maybe_ensure_virtual_terminal_processing(stream, do_color);
stream << frame_to_string(frame, do_color);
print_frame_inner(stream, frame, do_color);
}
std::string frame_to_string(const stacktrace_frame& frame, bool color) const {
void print_frame_inner(std::ostream& stream, const stacktrace_frame& frame, bool color) const {
const auto reset = color ? RESET : "";
const auto green = color ? GREEN : "";
const auto yellow = color ? YELLOW : "";
const auto blue = color ? BLUE : "";
std::string str;
if(frame.is_inline) {
str += microfmt::format("{<{}}", 2 * sizeof(frame_ptr) + 2, "(inlined)");
microfmt::print(stream, "{<{}}", 2 * sizeof(frame_ptr) + 2, "(inlined)");
} else {
auto address = options.addresses == address_mode::raw ? frame.raw_address : frame.object_address;
str += microfmt::format("{}0x{>{}:0h}{}", blue, 2 * sizeof(frame_ptr), address, reset);
microfmt::print(stream, "{}0x{>{}:0h}{}", blue, 2 * sizeof(frame_ptr), address, reset);
}
if(!frame.symbol.empty()) {
str += microfmt::format(" in {}{}{}", yellow, frame.symbol, reset);
microfmt::print(stream, " in {}{}{}", yellow, frame.symbol, reset);
}
if(!frame.filename.empty()) {
str += microfmt::format(" at {}{}{}", green, frame.filename, reset);
microfmt::print(stream, " at {}{}{}", green, frame.filename, reset);
if(frame.line.has_value()) {
str += microfmt::format(":{}{}{}", blue, frame.line.value(), reset);
microfmt::print(stream, ":{}{}{}", blue, frame.line.value(), reset);
if(frame.column.has_value() && options.columns) {
str += microfmt::format(":{}{}{}", blue, frame.column.value(), reset);
microfmt::print(stream, ":{}{}{}", blue, frame.column.value(), reset);
}
}
}
return str;
}
};