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7e888d43cd
This can be useful as a consumer for demangling swift symbols. Build the shared library on non-Darwin targets as well.
91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
//===--- MangleHack.cpp - Swift Mangle Hack for various clients -----------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// Implementations of mangler hacks for Interface Builder
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//
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// We don't have the time to disentangle the real mangler from the compiler
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// right now.
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//
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//===----------------------------------------------------------------------===//
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#include "swift/SwiftDemangle/MangleHack.h"
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#include "swift/Strings.h"
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#include <cassert>
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#include <cstdarg>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#if defined(_WIN32)
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static int vasprintf(char **strp, const char *fmt, va_list ap) {
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int len = _vscprintf(fmt, ap);
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if (len < 0)
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return len;
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char *buffer = static_cast<char *>(malloc(len + 1));
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if (buffer == nullptr)
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return -1;
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int result = vsprintf(buffer, fmt, ap);
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if (result < 0) {
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free(buffer);
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return -1;
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}
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*strp = buffer;
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return result;
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}
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static int asprintf(char **strp, const char *fmt, ...) {
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va_list args;
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va_start(args, fmt);
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int result = vasprintf(strp, fmt, args);
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va_end(args);
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return result;
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}
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#endif
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const char *
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_swift_mangleSimpleClass(const char *module, const char *class_) {
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size_t moduleLength = strlen(module);
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size_t classLength = strlen(class_);
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char *value = nullptr;
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if (strcmp(module, swift::STDLIB_NAME) == 0) {
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int result = asprintf(&value, "_TtCs%zu%s", classLength, class_);
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assert(result > 0);
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(void)result;
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} else {
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int result = asprintf(&value, "_TtC%zu%s%zu%s", moduleLength, module,
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classLength, class_);
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assert(result > 0);
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(void)result;
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}
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assert(value);
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return value;
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}
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const char *
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_swift_mangleSimpleProtocol(const char *module, const char *protocol) {
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size_t moduleLength = strlen(module);
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size_t protocolLength = strlen(protocol);
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char *value = nullptr;
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if (strcmp(module, swift::STDLIB_NAME) == 0) {
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int result = asprintf(&value, "_TtPs%zu%s_", protocolLength, protocol);
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assert(result > 0);
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(void)result;
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} else {
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int result = asprintf(&value, "_TtP%zu%s%zu%s_", moduleLength, module,
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protocolLength, protocol);
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assert(result > 0);
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(void)result;
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}
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assert(value);
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return value;
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}
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