mirror of
https://github.com/yuzu-emu/yuzu.git
synced 2024-08-21 17:23:24 +02:00
132 lines
4.8 KiB
C++
132 lines
4.8 KiB
C++
//===--- Demangle.h ---------------------------------------------*- C++ -*-===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-FileCopyrightText: Part of the LLVM Project
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_DEMANGLE_DEMANGLE_H
|
|
#define LLVM_DEMANGLE_DEMANGLE_H
|
|
|
|
#include <cstddef>
|
|
#include <string>
|
|
#include <string_view>
|
|
|
|
namespace llvm {
|
|
/// This is a llvm local version of __cxa_demangle. Other than the name and
|
|
/// being in the llvm namespace it is identical.
|
|
///
|
|
/// The mangled_name is demangled into buf and returned. If the buffer is not
|
|
/// large enough, realloc is used to expand it.
|
|
///
|
|
/// The *status will be set to a value from the following enumeration
|
|
enum : int {
|
|
demangle_unknown_error = -4,
|
|
demangle_invalid_args = -3,
|
|
demangle_invalid_mangled_name = -2,
|
|
demangle_memory_alloc_failure = -1,
|
|
demangle_success = 0,
|
|
};
|
|
|
|
/// Returns a non-NULL pointer to a NUL-terminated C style string
|
|
/// that should be explicitly freed, if successful. Otherwise, may return
|
|
/// nullptr if mangled_name is not a valid mangling or is nullptr.
|
|
char *itaniumDemangle(std::string_view mangled_name);
|
|
|
|
enum MSDemangleFlags {
|
|
MSDF_None = 0,
|
|
MSDF_DumpBackrefs = 1 << 0,
|
|
MSDF_NoAccessSpecifier = 1 << 1,
|
|
MSDF_NoCallingConvention = 1 << 2,
|
|
MSDF_NoReturnType = 1 << 3,
|
|
MSDF_NoMemberType = 1 << 4,
|
|
MSDF_NoVariableType = 1 << 5,
|
|
};
|
|
|
|
/// Demangles the Microsoft symbol pointed at by mangled_name and returns it.
|
|
/// Returns a pointer to the start of a null-terminated demangled string on
|
|
/// success, or nullptr on error.
|
|
/// If n_read is non-null and demangling was successful, it receives how many
|
|
/// bytes of the input string were consumed.
|
|
/// status receives one of the demangle_ enum entries above if it's not nullptr.
|
|
/// Flags controls various details of the demangled representation.
|
|
char *microsoftDemangle(std::string_view mangled_name, size_t *n_read,
|
|
int *status, MSDemangleFlags Flags = MSDF_None);
|
|
|
|
// Demangles a Rust v0 mangled symbol.
|
|
char *rustDemangle(std::string_view MangledName);
|
|
|
|
// Demangles a D mangled symbol.
|
|
char *dlangDemangle(std::string_view MangledName);
|
|
|
|
/// Attempt to demangle a string using different demangling schemes.
|
|
/// The function uses heuristics to determine which demangling scheme to use.
|
|
/// \param MangledName - reference to string to demangle.
|
|
/// \returns - the demangled string, or a copy of the input string if no
|
|
/// demangling occurred.
|
|
std::string demangle(std::string_view MangledName);
|
|
|
|
bool nonMicrosoftDemangle(std::string_view MangledName, std::string &Result);
|
|
|
|
/// "Partial" demangler. This supports demangling a string into an AST
|
|
/// (typically an intermediate stage in itaniumDemangle) and querying certain
|
|
/// properties or partially printing the demangled name.
|
|
struct ItaniumPartialDemangler {
|
|
ItaniumPartialDemangler();
|
|
|
|
ItaniumPartialDemangler(ItaniumPartialDemangler &&Other);
|
|
ItaniumPartialDemangler &operator=(ItaniumPartialDemangler &&Other);
|
|
|
|
/// Demangle into an AST. Subsequent calls to the rest of the member functions
|
|
/// implicitly operate on the AST this produces.
|
|
/// \return true on error, false otherwise
|
|
bool partialDemangle(const char *MangledName);
|
|
|
|
/// Just print the entire mangled name into Buf. Buf and N behave like the
|
|
/// second and third parameters to __cxa_demangle.
|
|
char *finishDemangle(char *Buf, size_t *N) const;
|
|
|
|
/// Get the base name of a function. This doesn't include trailing template
|
|
/// arguments, ie for "a::b<int>" this function returns "b".
|
|
char *getFunctionBaseName(char *Buf, size_t *N) const;
|
|
|
|
/// Get the context name for a function. For "a::b::c", this function returns
|
|
/// "a::b".
|
|
char *getFunctionDeclContextName(char *Buf, size_t *N) const;
|
|
|
|
/// Get the entire name of this function.
|
|
char *getFunctionName(char *Buf, size_t *N) const;
|
|
|
|
/// Get the parameters for this function.
|
|
char *getFunctionParameters(char *Buf, size_t *N) const;
|
|
char *getFunctionReturnType(char *Buf, size_t *N) const;
|
|
|
|
/// If this function has any any cv or reference qualifiers. These imply that
|
|
/// the function is a non-static member function.
|
|
bool hasFunctionQualifiers() const;
|
|
|
|
/// If this symbol describes a constructor or destructor.
|
|
bool isCtorOrDtor() const;
|
|
|
|
/// If this symbol describes a function.
|
|
bool isFunction() const;
|
|
|
|
/// If this symbol describes a variable.
|
|
bool isData() const;
|
|
|
|
/// If this symbol is a <special-name>. These are generally implicitly
|
|
/// generated by the implementation, such as vtables and typeinfo names.
|
|
bool isSpecialName() const;
|
|
|
|
~ItaniumPartialDemangler();
|
|
|
|
private:
|
|
void *RootNode;
|
|
void *Context;
|
|
};
|
|
} // namespace llvm
|
|
|
|
#endif
|