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authorAlexandre Bouvier <contact@amb.tf>2023-01-23 01:51:12 +0100
committerAlexandre Bouvier <contact@amb.tf>2023-01-23 06:23:00 +0100
commit34b1ea9c1925d0da9377973d25e10e9b5ec40e94 (patch)
tree0ada6de7ae81a250258a4243d5bd4d2cc1283aef /externals/demangle/llvm/Demangle/Demangle.h
parentMerge pull request #9555 from abouvier/catch2-update (diff)
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diff --git a/externals/demangle/llvm/Demangle/Demangle.h b/externals/demangle/llvm/Demangle/Demangle.h
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+//===--- 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>
+
+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,
+};
+
+char *itaniumDemangle(const char *mangled_name, char *buf, size_t *n,
+ int *status);
+
+
+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,
+};
+char *microsoftDemangle(const char *mangled_name, char *buf, size_t *n,
+ int *status, MSDemangleFlags Flags = MSDF_None);
+
+/// "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 itaniumDemangle.
+ 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