cpptrace/src/platform/cpptrace_common.hpp

122 lines
3.5 KiB
C++

#ifndef CPPTRACE_COMMON_HPP
#define CPPTRACE_COMMON_HPP
#ifdef _MSC_VER
#define CPPTRACE_FORCE_NO_INLINE __declspec(noinline)
#define CPPTRACE_PFUNC __FUNCSIG__
#define CPPTRACE_MAYBE_UNUSED
#pragma warning(push)
#pragma warning(disable: 4505) // Unused local function
#else
#define CPPTRACE_FORCE_NO_INLINE __attribute__((noinline))
#define CPPTRACE_PFUNC __extension__ __PRETTY_FUNCTION__
#define CPPTRACE_MAYBE_UNUSED __attribute__((unused))
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string>
#include <vector>
#include <sstream>
// Lightweight std::source_location.
struct source_location {
const char* const file;
//const char* const function; // disabled for now due to static constexpr restrictions
const int line;
constexpr source_location(
//const char* _function /*= __builtin_FUNCTION()*/,
const char* _file = __builtin_FILE(),
int _line = __builtin_LINE()
) : file(_file), /*function(_function),*/ line(_line) {}
};
CPPTRACE_MAYBE_UNUSED
static void primitive_assert_impl(
bool condition,
bool verify,
const char* expression,
const char* signature,
source_location location,
const char* message = nullptr
) {
if(!condition) {
const char* action = verify ? "verification" : "assertion";
const char* name = verify ? "verify" : "assert";
if(message == nullptr) {
fprintf(stderr, "Cpptrace %s failed at %s:%d: %s\n",
action, location.file, location.line, signature);
} else {
fprintf(stderr, "Cpptrace %s failed at %s:%d: %s: %s\n",
action, location.file, location.line, signature, message);
}
fprintf(stderr, " primitive_%s(%s);\n", name, expression);
abort();
}
}
template<typename T>
void nothing() {}
#define PHONY_USE(E) (nothing<decltype(E)>())
// Still present in release mode, nonfatal
#define internal_verify(c, ...) primitive_assert_impl(c, true, #c, CPPTRACE_PFUNC, {}, ##__VA_ARGS__)
#ifndef NDEBUG
#define CPPTRACE_PRIMITIVE_ASSERT(c, ...) \
primitive_assert_impl(c, false, #c, CPPTRACE_PFUNC, {}, ##__VA_ARGS__)
#else
#define CPPTRACE_PRIMITIVE_ASSERT(c, ...) PHONY_USE(c)
#endif
CPPTRACE_MAYBE_UNUSED
static std::vector<std::string> split(const std::string& s, const std::string& delims) {
std::vector<std::string> vec;
size_t old_pos = 0;
size_t pos = 0;
while((pos = s.find_first_of(delims, old_pos)) != std::string::npos) {
vec.emplace_back(s.substr(old_pos, pos - old_pos));
old_pos = pos + 1;
}
vec.emplace_back(std::string(s.substr(old_pos)));
return vec;
}
template<typename C>
CPPTRACE_MAYBE_UNUSED
static std::string join(const C& container, const std::string& delim) {
auto iter = std::begin(container);
auto end = std::end(container);
std::string str;
if(std::distance(iter, end) > 0) {
str += *iter;
while(++iter != end) {
str += delim;
str += *iter;
}
}
return str;
}
constexpr const char* const ws = " \t\n\r\f\v";
CPPTRACE_MAYBE_UNUSED
static std::string trim(const std::string& s) {
size_t l = s.find_first_not_of(ws);
size_t r = s.find_last_not_of(ws) + 1;
return s.substr(l, r - l);
}
CPPTRACE_MAYBE_UNUSED
static std::string to_hex(uintptr_t addr) {
std::stringstream sstream;
sstream<<std::hex<<uintptr_t(addr);
return std::move(sstream).str();
}
#ifdef _MSC_VER
#pragma warning(pop)
#endif
#endif