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//===--- SwiftDemangle.cpp - Public demangling interface ------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
//
// Functions in the libswiftDemangle library, which provides external
// access to Swift's demangler.
//
//===----------------------------------------------------------------------===//
#include "swift/Demangling/Demangle.h"
#include "swift/SwiftDemangle/SwiftDemangle.h"
static size_t swift_demangle_getDemangledName_Options(const char *MangledName,
char *OutputBuffer, size_t Length,
swift::Demangle::DemangleOptions DemangleOptions) {
assert(MangledName != nullptr && "null input");
assert(OutputBuffer != nullptr || Length == 0);
if (!swift::Demangle::isSwiftSymbol(MangledName))
return 0; // Not a mangled name
std::string Result = swift::Demangle::demangleSymbolAsString(
llvm::StringRef(MangledName), DemangleOptions);
if (Result == MangledName)
return 0; // Not a mangled name
// Copy the result to an output buffer and ensure '\0' termination.
if (OutputBuffer && Length > 0) {
auto Dest = strncpy(OutputBuffer, Result.c_str(), Length);
Dest[Length - 1] = '\0';
}
return Result.length();
}
size_t swift_demangle_getDemangledName(const char *MangledName,
char *OutputBuffer,
size_t Length) {
swift::Demangle::DemangleOptions DemangleOptions;
DemangleOptions.SynthesizeSugarOnTypes = true;
return swift_demangle_getDemangledName_Options(MangledName, OutputBuffer,
Length, DemangleOptions);
}
size_t swift_demangle_getSimplifiedDemangledName(const char *MangledName,
char *OutputBuffer,
size_t Length) {
auto Opts = swift::Demangle::DemangleOptions::SimplifiedUIDemangleOptions();
return swift_demangle_getDemangledName_Options(MangledName, OutputBuffer,
Length, Opts);
}
size_t swift_demangle_getModuleName(const char *MangledName,
char *OutputBuffer,
size_t Length) {
swift::Demangle::Context DCtx;
std::string Result = DCtx.getModuleName(llvm::StringRef(MangledName));
// Copy the result to an output buffer and ensure '\0' termination.
if (OutputBuffer && Length > 0) {
auto Dest = strncpy(OutputBuffer, Result.c_str(), Length);
Dest[Length - 1] = '\0';
}
return Result.length();
}
int swift_demangle_hasSwiftCallingConvention(const char *MangledName) {
swift::Demangle::Context DCtx;
if (DCtx.hasSwiftCallingConvention(llvm::StringRef(MangledName)))
return 1;
return 0;
}
size_t fnd_get_demangled_name(const char *MangledName, char *OutputBuffer,
size_t Length) {
return swift_demangle_getDemangledName(MangledName, OutputBuffer, Length);
}
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