demangle: Update to llvm/llvm-project@ecbc812e0c
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lat9nq
parent
c1e57ad358
commit
1ab3bd5a5e
8 changed files with 2304 additions and 2193 deletions
171
externals/demangle/ItaniumDemangle.cpp
vendored
171
externals/demangle/ItaniumDemangle.cpp
vendored
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@ -20,9 +20,7 @@
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#include <cstdlib>
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#include <cstring>
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#include <functional>
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#include <numeric>
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#include <utility>
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#include <vector>
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using namespace llvm;
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using namespace llvm::itanium_demangle;
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@ -81,8 +79,8 @@ struct DumpVisitor {
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}
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void printStr(const char *S) { fprintf(stderr, "%s", S); }
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void print(StringView SV) {
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fprintf(stderr, "\"%.*s\"", (int)SV.size(), SV.begin());
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void print(std::string_view SV) {
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fprintf(stderr, "\"%.*s\"", (int)SV.size(), SV.data());
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}
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void print(const Node *N) {
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if (N)
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@ -90,14 +88,6 @@ struct DumpVisitor {
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else
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printStr("<null>");
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}
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void print(NodeOrString NS) {
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if (NS.isNode())
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print(NS.asNode());
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else if (NS.isString())
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print(NS.asString());
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else
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printStr("NodeOrString()");
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}
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void print(NodeArray A) {
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++Depth;
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printStr("{");
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@ -116,13 +106,11 @@ struct DumpVisitor {
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// Overload used when T is exactly 'bool', not merely convertible to 'bool'.
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void print(bool B) { printStr(B ? "true" : "false"); }
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template <class T>
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typename std::enable_if<std::is_unsigned<T>::value>::type print(T N) {
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template <class T> std::enable_if_t<std::is_unsigned<T>::value> print(T N) {
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fprintf(stderr, "%llu", (unsigned long long)N);
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}
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template <class T>
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typename std::enable_if<std::is_signed<T>::value>::type print(T N) {
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template <class T> std::enable_if_t<std::is_signed<T>::value> print(T N) {
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fprintf(stderr, "%lld", (long long)N);
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}
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@ -185,6 +173,50 @@ struct DumpVisitor {
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return printStr("TemplateParamKind::Template");
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}
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}
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void print(Node::Prec P) {
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switch (P) {
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case Node::Prec::Primary:
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return printStr("Node::Prec::Primary");
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case Node::Prec::Postfix:
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return printStr("Node::Prec::Postfix");
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case Node::Prec::Unary:
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return printStr("Node::Prec::Unary");
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case Node::Prec::Cast:
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return printStr("Node::Prec::Cast");
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case Node::Prec::PtrMem:
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return printStr("Node::Prec::PtrMem");
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case Node::Prec::Multiplicative:
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return printStr("Node::Prec::Multiplicative");
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case Node::Prec::Additive:
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return printStr("Node::Prec::Additive");
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case Node::Prec::Shift:
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return printStr("Node::Prec::Shift");
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case Node::Prec::Spaceship:
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return printStr("Node::Prec::Spaceship");
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case Node::Prec::Relational:
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return printStr("Node::Prec::Relational");
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case Node::Prec::Equality:
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return printStr("Node::Prec::Equality");
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case Node::Prec::And:
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return printStr("Node::Prec::And");
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case Node::Prec::Xor:
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return printStr("Node::Prec::Xor");
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case Node::Prec::Ior:
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return printStr("Node::Prec::Ior");
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case Node::Prec::AndIf:
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return printStr("Node::Prec::AndIf");
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case Node::Prec::OrIf:
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return printStr("Node::Prec::OrIf");
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case Node::Prec::Conditional:
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return printStr("Node::Prec::Conditional");
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case Node::Prec::Assign:
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return printStr("Node::Prec::Assign");
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case Node::Prec::Comma:
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return printStr("Node::Prec::Comma");
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case Node::Prec::Default:
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return printStr("Node::Prec::Default");
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}
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}
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void newLine() {
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printStr("\n");
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@ -334,36 +366,21 @@ public:
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using Demangler = itanium_demangle::ManglingParser<DefaultAllocator>;
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char *llvm::itaniumDemangle(const char *MangledName, char *Buf,
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size_t *N, int *Status) {
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if (MangledName == nullptr || (Buf != nullptr && N == nullptr)) {
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if (Status)
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*Status = demangle_invalid_args;
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char *llvm::itaniumDemangle(std::string_view MangledName) {
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if (MangledName.empty())
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return nullptr;
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}
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int InternalStatus = demangle_success;
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Demangler Parser(MangledName, MangledName + std::strlen(MangledName));
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OutputStream S;
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Demangler Parser(MangledName.data(),
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MangledName.data() + MangledName.length());
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Node *AST = Parser.parse();
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if (!AST)
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return nullptr;
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if (AST == nullptr)
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InternalStatus = demangle_invalid_mangled_name;
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else if (!initializeOutputStream(Buf, N, S, 1024))
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InternalStatus = demangle_memory_alloc_failure;
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else {
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assert(Parser.ForwardTemplateRefs.empty());
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AST->print(S);
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S += '\0';
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if (N != nullptr)
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*N = S.getCurrentPosition();
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Buf = S.getBuffer();
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}
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if (Status)
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*Status = InternalStatus;
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return InternalStatus == demangle_success ? Buf : nullptr;
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OutputBuffer OB;
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assert(Parser.ForwardTemplateRefs.empty());
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AST->print(OB);
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OB += '\0';
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return OB.getBuffer();
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}
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ItaniumPartialDemangler::ItaniumPartialDemangler()
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@ -396,14 +413,12 @@ bool ItaniumPartialDemangler::partialDemangle(const char *MangledName) {
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}
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static char *printNode(const Node *RootNode, char *Buf, size_t *N) {
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OutputStream S;
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if (!initializeOutputStream(Buf, N, S, 128))
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return nullptr;
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RootNode->print(S);
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S += '\0';
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OutputBuffer OB(Buf, N);
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RootNode->print(OB);
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OB += '\0';
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if (N != nullptr)
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*N = S.getCurrentPosition();
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return S.getBuffer();
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*N = OB.getCurrentPosition();
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return OB.getBuffer();
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}
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char *ItaniumPartialDemangler::getFunctionBaseName(char *Buf, size_t *N) const {
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@ -417,8 +432,8 @@ char *ItaniumPartialDemangler::getFunctionBaseName(char *Buf, size_t *N) const {
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case Node::KAbiTagAttr:
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Name = static_cast<const AbiTagAttr *>(Name)->Base;
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continue;
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case Node::KStdQualifiedName:
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Name = static_cast<const StdQualifiedName *>(Name)->Child;
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case Node::KModuleEntity:
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Name = static_cast<const ModuleEntity *>(Name)->Name;
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continue;
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case Node::KNestedName:
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Name = static_cast<const NestedName *>(Name)->Name;
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@ -441,9 +456,7 @@ char *ItaniumPartialDemangler::getFunctionDeclContextName(char *Buf,
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return nullptr;
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const Node *Name = static_cast<const FunctionEncoding *>(RootNode)->getName();
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OutputStream S;
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if (!initializeOutputStream(Buf, N, S, 128))
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return nullptr;
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OutputBuffer OB(Buf, N);
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KeepGoingLocalFunction:
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while (true) {
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@ -458,27 +471,27 @@ char *ItaniumPartialDemangler::getFunctionDeclContextName(char *Buf,
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break;
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}
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if (Name->getKind() == Node::KModuleEntity)
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Name = static_cast<const ModuleEntity *>(Name)->Name;
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switch (Name->getKind()) {
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case Node::KStdQualifiedName:
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S += "std";
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break;
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case Node::KNestedName:
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static_cast<const NestedName *>(Name)->Qual->print(S);
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static_cast<const NestedName *>(Name)->Qual->print(OB);
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break;
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case Node::KLocalName: {
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auto *LN = static_cast<const LocalName *>(Name);
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LN->Encoding->print(S);
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S += "::";
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LN->Encoding->print(OB);
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OB += "::";
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Name = LN->Entity;
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goto KeepGoingLocalFunction;
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}
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default:
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break;
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}
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S += '\0';
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OB += '\0';
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if (N != nullptr)
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*N = S.getCurrentPosition();
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return S.getBuffer();
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*N = OB.getCurrentPosition();
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return OB.getBuffer();
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}
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char *ItaniumPartialDemangler::getFunctionName(char *Buf, size_t *N) const {
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@ -494,17 +507,15 @@ char *ItaniumPartialDemangler::getFunctionParameters(char *Buf,
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return nullptr;
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NodeArray Params = static_cast<FunctionEncoding *>(RootNode)->getParams();
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OutputStream S;
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if (!initializeOutputStream(Buf, N, S, 128))
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return nullptr;
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OutputBuffer OB(Buf, N);
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S += '(';
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Params.printWithComma(S);
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S += ')';
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S += '\0';
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OB += '(';
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Params.printWithComma(OB);
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OB += ')';
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OB += '\0';
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if (N != nullptr)
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*N = S.getCurrentPosition();
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return S.getBuffer();
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*N = OB.getCurrentPosition();
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return OB.getBuffer();
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}
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char *ItaniumPartialDemangler::getFunctionReturnType(
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@ -512,18 +523,16 @@ char *ItaniumPartialDemangler::getFunctionReturnType(
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if (!isFunction())
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return nullptr;
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OutputStream S;
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if (!initializeOutputStream(Buf, N, S, 128))
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return nullptr;
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OutputBuffer OB(Buf, N);
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if (const Node *Ret =
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static_cast<const FunctionEncoding *>(RootNode)->getReturnType())
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Ret->print(S);
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Ret->print(OB);
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S += '\0';
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OB += '\0';
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if (N != nullptr)
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*N = S.getCurrentPosition();
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return S.getBuffer();
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*N = OB.getCurrentPosition();
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return OB.getBuffer();
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}
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char *ItaniumPartialDemangler::finishDemangle(char *Buf, size_t *N) const {
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@ -563,8 +572,8 @@ bool ItaniumPartialDemangler::isCtorOrDtor() const {
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case Node::KNestedName:
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N = static_cast<const NestedName *>(N)->Name;
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break;
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case Node::KStdQualifiedName:
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N = static_cast<const StdQualifiedName *>(N)->Child;
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case Node::KModuleEntity:
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N = static_cast<const ModuleEntity *>(N)->Name;
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break;
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}
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}
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