645 lines
22 KiB
C++
645 lines
22 KiB
C++
//===- Registry.cpp - Matcher registry ------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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/// \file
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/// \brief Registry map populated at static initialization time.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/ASTMatchers/Dynamic/Registry.h"
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#include "Marshallers.h"
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#include "clang/AST/ASTTypeTraits.h"
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#include "clang/ASTMatchers/ASTMatchers.h"
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#include "clang/ASTMatchers/Dynamic/Diagnostics.h"
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#include "clang/ASTMatchers/Dynamic/VariantValue.h"
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#include "llvm/ADT/Optional.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/ADT/StringMap.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/ManagedStatic.h"
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#include "llvm/Support/raw_ostream.h"
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#include <cassert>
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#include <iterator>
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#include <memory>
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#include <set>
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#include <string>
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#include <utility>
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#include <vector>
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using namespace clang::ast_type_traits;
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namespace clang {
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namespace ast_matchers {
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namespace dynamic {
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namespace {
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using internal::MatcherDescriptor;
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using ConstructorMap = llvm::StringMap<std::unique_ptr<const MatcherDescriptor>>;
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class RegistryMaps {
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public:
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RegistryMaps();
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~RegistryMaps();
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const ConstructorMap &constructors() const { return Constructors; }
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private:
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void registerMatcher(StringRef MatcherName,
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std::unique_ptr<MatcherDescriptor> Callback);
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ConstructorMap Constructors;
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};
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} // namespace
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void RegistryMaps::registerMatcher(
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StringRef MatcherName, std::unique_ptr<MatcherDescriptor> Callback) {
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assert(Constructors.find(MatcherName) == Constructors.end());
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Constructors[MatcherName] = std::move(Callback);
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}
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#define REGISTER_MATCHER(name) \
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registerMatcher(#name, internal::makeMatcherAutoMarshall( \
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::clang::ast_matchers::name, #name));
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#define REGISTER_MATCHER_OVERLOAD(name) \
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registerMatcher(#name, \
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llvm::make_unique<internal::OverloadedMatcherDescriptor>(name##Callbacks))
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#define SPECIFIC_MATCHER_OVERLOAD(name, Id) \
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static_cast<::clang::ast_matchers::name##_Type##Id>( \
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::clang::ast_matchers::name)
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#define MATCHER_OVERLOAD_ENTRY(name, Id) \
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internal::makeMatcherAutoMarshall(SPECIFIC_MATCHER_OVERLOAD(name, Id), \
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#name)
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#define REGISTER_OVERLOADED_2(name) \
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do { \
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std::unique_ptr<MatcherDescriptor> name##Callbacks[] = { \
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MATCHER_OVERLOAD_ENTRY(name, 0), \
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MATCHER_OVERLOAD_ENTRY(name, 1)}; \
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REGISTER_MATCHER_OVERLOAD(name); \
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} while (false)
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/// \brief Generate a registry map with all the known matchers.
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RegistryMaps::RegistryMaps() {
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// TODO: Here is the list of the missing matchers, grouped by reason.
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//
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// Need Variant/Parser fixes:
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// ofKind
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//
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// Polymorphic + argument overload:
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// findAll
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//
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// Other:
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// equalsNode
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REGISTER_OVERLOADED_2(callee);
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REGISTER_OVERLOADED_2(hasPrefix);
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REGISTER_OVERLOADED_2(hasType);
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REGISTER_OVERLOADED_2(isDerivedFrom);
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REGISTER_OVERLOADED_2(isSameOrDerivedFrom);
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REGISTER_OVERLOADED_2(loc);
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REGISTER_OVERLOADED_2(pointsTo);
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REGISTER_OVERLOADED_2(references);
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REGISTER_OVERLOADED_2(thisPointerType);
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std::unique_ptr<MatcherDescriptor> equalsCallbacks[] = {
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MATCHER_OVERLOAD_ENTRY(equals, 0),
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MATCHER_OVERLOAD_ENTRY(equals, 1),
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MATCHER_OVERLOAD_ENTRY(equals, 2),
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};
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REGISTER_MATCHER_OVERLOAD(equals);
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REGISTER_MATCHER(accessSpecDecl);
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REGISTER_MATCHER(addrLabelExpr);
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REGISTER_MATCHER(alignOfExpr);
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REGISTER_MATCHER(allOf);
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REGISTER_MATCHER(anyOf);
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REGISTER_MATCHER(anything);
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REGISTER_MATCHER(argumentCountIs);
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REGISTER_MATCHER(arraySubscriptExpr);
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REGISTER_MATCHER(arrayType);
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REGISTER_MATCHER(asmStmt);
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REGISTER_MATCHER(asString);
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REGISTER_MATCHER(atomicExpr);
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REGISTER_MATCHER(atomicType);
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REGISTER_MATCHER(autoType);
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REGISTER_MATCHER(binaryOperator);
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REGISTER_MATCHER(binaryConditionalOperator);
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REGISTER_MATCHER(blockPointerType);
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REGISTER_MATCHER(booleanType);
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REGISTER_MATCHER(breakStmt);
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REGISTER_MATCHER(builtinType);
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REGISTER_MATCHER(callExpr);
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REGISTER_MATCHER(caseStmt);
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REGISTER_MATCHER(castExpr);
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REGISTER_MATCHER(characterLiteral);
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REGISTER_MATCHER(classTemplateDecl);
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REGISTER_MATCHER(classTemplateSpecializationDecl);
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REGISTER_MATCHER(complexType);
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REGISTER_MATCHER(compoundLiteralExpr);
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REGISTER_MATCHER(compoundStmt);
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REGISTER_MATCHER(conditionalOperator);
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REGISTER_MATCHER(constantArrayType);
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REGISTER_MATCHER(containsDeclaration);
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REGISTER_MATCHER(continueStmt);
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REGISTER_MATCHER(cStyleCastExpr);
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REGISTER_MATCHER(cudaKernelCallExpr);
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REGISTER_MATCHER(cxxBindTemporaryExpr);
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REGISTER_MATCHER(cxxBoolLiteral);
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REGISTER_MATCHER(cxxCatchStmt);
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REGISTER_MATCHER(cxxConstCastExpr);
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REGISTER_MATCHER(cxxConstructExpr);
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REGISTER_MATCHER(cxxConstructorDecl);
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REGISTER_MATCHER(cxxConversionDecl);
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REGISTER_MATCHER(cxxCtorInitializer);
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REGISTER_MATCHER(cxxDefaultArgExpr);
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REGISTER_MATCHER(cxxDeleteExpr);
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REGISTER_MATCHER(cxxDestructorDecl);
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REGISTER_MATCHER(cxxDynamicCastExpr);
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REGISTER_MATCHER(cxxForRangeStmt);
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REGISTER_MATCHER(cxxFunctionalCastExpr);
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REGISTER_MATCHER(cxxMemberCallExpr);
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REGISTER_MATCHER(cxxMethodDecl);
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REGISTER_MATCHER(cxxNewExpr);
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REGISTER_MATCHER(cxxNullPtrLiteralExpr);
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REGISTER_MATCHER(cxxOperatorCallExpr);
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REGISTER_MATCHER(cxxRecordDecl);
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REGISTER_MATCHER(cxxReinterpretCastExpr);
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REGISTER_MATCHER(cxxStaticCastExpr);
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REGISTER_MATCHER(cxxStdInitializerListExpr);
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REGISTER_MATCHER(cxxTemporaryObjectExpr);
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REGISTER_MATCHER(cxxThisExpr);
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REGISTER_MATCHER(cxxThrowExpr);
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REGISTER_MATCHER(cxxTryStmt);
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REGISTER_MATCHER(cxxUnresolvedConstructExpr);
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REGISTER_MATCHER(decayedType);
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REGISTER_MATCHER(decl);
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REGISTER_MATCHER(declaratorDecl);
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REGISTER_MATCHER(declCountIs);
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REGISTER_MATCHER(declRefExpr);
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REGISTER_MATCHER(declStmt);
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REGISTER_MATCHER(defaultStmt);
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REGISTER_MATCHER(dependentSizedArrayType);
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REGISTER_MATCHER(designatedInitExpr);
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REGISTER_MATCHER(designatorCountIs);
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REGISTER_MATCHER(doStmt);
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REGISTER_MATCHER(eachOf);
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REGISTER_MATCHER(elaboratedType);
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REGISTER_MATCHER(enumConstantDecl);
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REGISTER_MATCHER(enumDecl);
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REGISTER_MATCHER(enumType);
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REGISTER_MATCHER(equalsBoundNode);
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REGISTER_MATCHER(equalsIntegralValue);
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REGISTER_MATCHER(explicitCastExpr);
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REGISTER_MATCHER(expr);
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REGISTER_MATCHER(exprWithCleanups);
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REGISTER_MATCHER(fieldDecl);
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REGISTER_MATCHER(floatLiteral);
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REGISTER_MATCHER(forEach);
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REGISTER_MATCHER(forEachArgumentWithParam);
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REGISTER_MATCHER(forEachConstructorInitializer);
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REGISTER_MATCHER(forEachDescendant);
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REGISTER_MATCHER(forEachOverridden);
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REGISTER_MATCHER(forEachSwitchCase);
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REGISTER_MATCHER(forField);
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REGISTER_MATCHER(forFunction);
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REGISTER_MATCHER(forStmt);
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REGISTER_MATCHER(friendDecl);
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REGISTER_MATCHER(functionDecl);
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REGISTER_MATCHER(functionProtoType);
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REGISTER_MATCHER(functionTemplateDecl);
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REGISTER_MATCHER(functionType);
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REGISTER_MATCHER(gnuNullExpr);
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REGISTER_MATCHER(gotoStmt);
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REGISTER_MATCHER(has);
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REGISTER_MATCHER(hasAncestor);
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REGISTER_MATCHER(hasAnyArgument);
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REGISTER_MATCHER(hasAnyConstructorInitializer);
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REGISTER_MATCHER(hasAnyDeclaration);
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REGISTER_MATCHER(hasAnyName);
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REGISTER_MATCHER(hasAnyParameter);
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REGISTER_MATCHER(hasAnySubstatement);
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REGISTER_MATCHER(hasAnyTemplateArgument);
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REGISTER_MATCHER(hasAnyUsingShadowDecl);
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REGISTER_MATCHER(hasArgument);
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REGISTER_MATCHER(hasArgumentOfType);
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REGISTER_MATCHER(hasArraySize);
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REGISTER_MATCHER(hasAttr);
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REGISTER_MATCHER(hasAutomaticStorageDuration);
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REGISTER_MATCHER(hasBase);
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REGISTER_MATCHER(hasBitWidth);
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REGISTER_MATCHER(hasBody);
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REGISTER_MATCHER(hasCanonicalType);
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REGISTER_MATCHER(hasCaseConstant);
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REGISTER_MATCHER(hasCastKind);
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REGISTER_MATCHER(hasCondition);
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REGISTER_MATCHER(hasConditionVariableStatement);
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REGISTER_MATCHER(hasDecayedType);
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REGISTER_MATCHER(hasDeclaration);
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REGISTER_MATCHER(hasDeclContext);
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REGISTER_MATCHER(hasDeducedType);
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REGISTER_MATCHER(hasDefaultArgument);
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REGISTER_MATCHER(hasDefinition);
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REGISTER_MATCHER(hasDescendant);
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REGISTER_MATCHER(hasDestinationType);
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REGISTER_MATCHER(hasDynamicExceptionSpec);
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REGISTER_MATCHER(hasEitherOperand);
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REGISTER_MATCHER(hasElementType);
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REGISTER_MATCHER(hasElse);
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REGISTER_MATCHER(hasExternalFormalLinkage);
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REGISTER_MATCHER(hasFalseExpression);
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REGISTER_MATCHER(hasGlobalStorage);
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REGISTER_MATCHER(hasImplicitDestinationType);
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REGISTER_MATCHER(hasInClassInitializer);
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REGISTER_MATCHER(hasIncrement);
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REGISTER_MATCHER(hasIndex);
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REGISTER_MATCHER(hasInitializer);
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REGISTER_MATCHER(hasKeywordSelector);
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REGISTER_MATCHER(hasLHS);
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REGISTER_MATCHER(hasLocalQualifiers);
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REGISTER_MATCHER(hasLocalStorage);
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REGISTER_MATCHER(hasLoopInit);
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REGISTER_MATCHER(hasLoopVariable);
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REGISTER_MATCHER(hasMethod);
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REGISTER_MATCHER(hasName);
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REGISTER_MATCHER(hasNullSelector);
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REGISTER_MATCHER(hasObjectExpression);
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REGISTER_MATCHER(hasOperatorName);
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REGISTER_MATCHER(hasOverloadedOperatorName);
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REGISTER_MATCHER(hasParameter);
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REGISTER_MATCHER(hasParent);
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REGISTER_MATCHER(hasQualifier);
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REGISTER_MATCHER(hasRangeInit);
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REGISTER_MATCHER(hasReceiverType);
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REGISTER_MATCHER(hasReplacementType);
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REGISTER_MATCHER(hasReturnValue);
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REGISTER_MATCHER(hasRHS);
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REGISTER_MATCHER(hasSelector);
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REGISTER_MATCHER(hasSingleDecl);
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REGISTER_MATCHER(hasSize);
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REGISTER_MATCHER(hasSizeExpr);
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REGISTER_MATCHER(hasSourceExpression);
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REGISTER_MATCHER(hasStaticStorageDuration);
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REGISTER_MATCHER(hasSyntacticForm);
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REGISTER_MATCHER(hasTargetDecl);
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REGISTER_MATCHER(hasTemplateArgument);
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REGISTER_MATCHER(hasThen);
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REGISTER_MATCHER(hasThreadStorageDuration);
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REGISTER_MATCHER(hasTrueExpression);
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REGISTER_MATCHER(hasTypeLoc);
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REGISTER_MATCHER(hasUnaryOperand);
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REGISTER_MATCHER(hasUnarySelector);
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REGISTER_MATCHER(hasUnderlyingDecl);
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REGISTER_MATCHER(hasUnqualifiedDesugaredType);
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REGISTER_MATCHER(hasValueType);
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REGISTER_MATCHER(ifStmt);
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REGISTER_MATCHER(ignoringImplicit);
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REGISTER_MATCHER(ignoringImpCasts);
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REGISTER_MATCHER(ignoringParenCasts);
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REGISTER_MATCHER(ignoringParenImpCasts);
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REGISTER_MATCHER(ignoringParens);
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REGISTER_MATCHER(implicitCastExpr);
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REGISTER_MATCHER(implicitValueInitExpr);
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REGISTER_MATCHER(incompleteArrayType);
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REGISTER_MATCHER(initListExpr);
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REGISTER_MATCHER(injectedClassNameType);
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REGISTER_MATCHER(innerType);
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REGISTER_MATCHER(integerLiteral);
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REGISTER_MATCHER(isAnonymous);
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REGISTER_MATCHER(isAnyCharacter);
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REGISTER_MATCHER(isAnyPointer);
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REGISTER_MATCHER(isArray);
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REGISTER_MATCHER(isArrow);
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REGISTER_MATCHER(isBaseInitializer);
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REGISTER_MATCHER(isBitField);
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REGISTER_MATCHER(isCatchAll);
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REGISTER_MATCHER(isClass);
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REGISTER_MATCHER(isConst);
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REGISTER_MATCHER(isConstexpr);
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REGISTER_MATCHER(isConstQualified);
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REGISTER_MATCHER(isCopyAssignmentOperator);
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REGISTER_MATCHER(isCopyConstructor);
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REGISTER_MATCHER(isDefaultConstructor);
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REGISTER_MATCHER(isDefaulted);
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REGISTER_MATCHER(isDefinition);
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REGISTER_MATCHER(isDeleted);
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REGISTER_MATCHER(isExceptionVariable);
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REGISTER_MATCHER(isExplicit);
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REGISTER_MATCHER(isExplicitTemplateSpecialization);
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REGISTER_MATCHER(isExpr);
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REGISTER_MATCHER(isExternC);
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REGISTER_MATCHER(isFinal);
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REGISTER_MATCHER(isInline);
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REGISTER_MATCHER(isImplicit);
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REGISTER_MATCHER(isExpansionInFileMatching);
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REGISTER_MATCHER(isExpansionInMainFile);
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REGISTER_MATCHER(isInstantiated);
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REGISTER_MATCHER(isExpansionInSystemHeader);
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REGISTER_MATCHER(isInteger);
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REGISTER_MATCHER(isIntegral);
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REGISTER_MATCHER(isInTemplateInstantiation);
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REGISTER_MATCHER(isLambda);
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REGISTER_MATCHER(isListInitialization);
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REGISTER_MATCHER(isMemberInitializer);
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REGISTER_MATCHER(isMoveAssignmentOperator);
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REGISTER_MATCHER(isMoveConstructor);
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REGISTER_MATCHER(isNoThrow);
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REGISTER_MATCHER(isOverride);
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REGISTER_MATCHER(isPrivate);
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REGISTER_MATCHER(isProtected);
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REGISTER_MATCHER(isPublic);
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REGISTER_MATCHER(isPure);
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REGISTER_MATCHER(isSignedInteger);
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REGISTER_MATCHER(isStaticStorageClass);
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REGISTER_MATCHER(isStruct);
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REGISTER_MATCHER(isTemplateInstantiation);
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REGISTER_MATCHER(isUnion);
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REGISTER_MATCHER(isUnsignedInteger);
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REGISTER_MATCHER(isVariadic);
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REGISTER_MATCHER(isVirtual);
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REGISTER_MATCHER(isVirtualAsWritten);
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REGISTER_MATCHER(isVolatileQualified);
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REGISTER_MATCHER(isWritten);
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REGISTER_MATCHER(labelDecl);
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REGISTER_MATCHER(labelStmt);
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REGISTER_MATCHER(lambdaExpr);
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REGISTER_MATCHER(linkageSpecDecl);
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REGISTER_MATCHER(lValueReferenceType);
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REGISTER_MATCHER(matchesName);
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REGISTER_MATCHER(matchesSelector);
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REGISTER_MATCHER(materializeTemporaryExpr);
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REGISTER_MATCHER(member);
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REGISTER_MATCHER(memberExpr);
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REGISTER_MATCHER(memberPointerType);
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REGISTER_MATCHER(namedDecl);
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REGISTER_MATCHER(namespaceAliasDecl);
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REGISTER_MATCHER(namespaceDecl);
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REGISTER_MATCHER(namesType);
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REGISTER_MATCHER(nestedNameSpecifier);
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REGISTER_MATCHER(nestedNameSpecifierLoc);
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REGISTER_MATCHER(nullPointerConstant);
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REGISTER_MATCHER(nullStmt);
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REGISTER_MATCHER(numSelectorArgs);
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REGISTER_MATCHER(ofClass);
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REGISTER_MATCHER(objcCatchStmt);
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REGISTER_MATCHER(objcCategoryDecl);
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REGISTER_MATCHER(objcCategoryImplDecl);
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REGISTER_MATCHER(objcFinallyStmt);
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REGISTER_MATCHER(objcImplementationDecl);
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REGISTER_MATCHER(objcInterfaceDecl);
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REGISTER_MATCHER(objcIvarDecl);
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REGISTER_MATCHER(objcMessageExpr);
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REGISTER_MATCHER(objcMethodDecl);
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REGISTER_MATCHER(objcObjectPointerType);
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REGISTER_MATCHER(objcPropertyDecl);
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REGISTER_MATCHER(objcProtocolDecl);
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REGISTER_MATCHER(objcThrowStmt);
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REGISTER_MATCHER(objcTryStmt);
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REGISTER_MATCHER(on);
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REGISTER_MATCHER(onImplicitObjectArgument);
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REGISTER_MATCHER(opaqueValueExpr);
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REGISTER_MATCHER(parameterCountIs);
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REGISTER_MATCHER(parenExpr);
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REGISTER_MATCHER(parenListExpr);
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REGISTER_MATCHER(parenType);
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REGISTER_MATCHER(parmVarDecl);
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REGISTER_MATCHER(pointee);
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REGISTER_MATCHER(pointerType);
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REGISTER_MATCHER(predefinedExpr);
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REGISTER_MATCHER(qualType);
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REGISTER_MATCHER(realFloatingPointType);
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REGISTER_MATCHER(recordDecl);
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REGISTER_MATCHER(recordType);
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REGISTER_MATCHER(referenceType);
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REGISTER_MATCHER(refersToDeclaration);
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REGISTER_MATCHER(refersToIntegralType);
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REGISTER_MATCHER(refersToType);
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REGISTER_MATCHER(requiresZeroInitialization);
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REGISTER_MATCHER(returns);
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REGISTER_MATCHER(returnStmt);
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REGISTER_MATCHER(rValueReferenceType);
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REGISTER_MATCHER(sizeOfExpr);
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REGISTER_MATCHER(specifiesNamespace);
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REGISTER_MATCHER(specifiesType);
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REGISTER_MATCHER(specifiesTypeLoc);
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REGISTER_MATCHER(statementCountIs);
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REGISTER_MATCHER(staticAssertDecl);
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REGISTER_MATCHER(stmt);
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REGISTER_MATCHER(stmtExpr);
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REGISTER_MATCHER(stringLiteral);
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REGISTER_MATCHER(substNonTypeTemplateParmExpr);
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REGISTER_MATCHER(substTemplateTypeParmType);
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REGISTER_MATCHER(switchCase);
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REGISTER_MATCHER(switchStmt);
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REGISTER_MATCHER(templateArgument);
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REGISTER_MATCHER(templateName);
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REGISTER_MATCHER(templateArgumentCountIs);
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REGISTER_MATCHER(templateSpecializationType);
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REGISTER_MATCHER(templateTypeParmDecl);
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REGISTER_MATCHER(templateTypeParmType);
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REGISTER_MATCHER(throughUsingDecl);
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REGISTER_MATCHER(to);
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REGISTER_MATCHER(translationUnitDecl);
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REGISTER_MATCHER(type);
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REGISTER_MATCHER(typedefDecl);
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REGISTER_MATCHER(typedefNameDecl);
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REGISTER_MATCHER(typedefType);
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REGISTER_MATCHER(typeAliasDecl);
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REGISTER_MATCHER(typeAliasTemplateDecl);
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REGISTER_MATCHER(typeLoc);
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REGISTER_MATCHER(unaryExprOrTypeTraitExpr);
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REGISTER_MATCHER(unaryOperator);
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REGISTER_MATCHER(unaryTransformType);
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REGISTER_MATCHER(unless);
|
|
REGISTER_MATCHER(unresolvedLookupExpr);
|
|
REGISTER_MATCHER(unresolvedUsingTypenameDecl);
|
|
REGISTER_MATCHER(unresolvedUsingValueDecl);
|
|
REGISTER_MATCHER(userDefinedLiteral);
|
|
REGISTER_MATCHER(usingDecl);
|
|
REGISTER_MATCHER(usingDirectiveDecl);
|
|
REGISTER_MATCHER(valueDecl);
|
|
REGISTER_MATCHER(varDecl);
|
|
REGISTER_MATCHER(variableArrayType);
|
|
REGISTER_MATCHER(voidType);
|
|
REGISTER_MATCHER(whileStmt);
|
|
REGISTER_MATCHER(withInitializer);
|
|
}
|
|
|
|
RegistryMaps::~RegistryMaps() = default;
|
|
|
|
static llvm::ManagedStatic<RegistryMaps> RegistryData;
|
|
|
|
// static
|
|
llvm::Optional<MatcherCtor> Registry::lookupMatcherCtor(StringRef MatcherName) {
|
|
auto it = RegistryData->constructors().find(MatcherName);
|
|
return it == RegistryData->constructors().end()
|
|
? llvm::Optional<MatcherCtor>()
|
|
: it->second.get();
|
|
}
|
|
|
|
static llvm::raw_ostream &operator<<(llvm::raw_ostream &OS,
|
|
const std::set<ASTNodeKind> &KS) {
|
|
unsigned Count = 0;
|
|
for (std::set<ASTNodeKind>::const_iterator I = KS.begin(), E = KS.end();
|
|
I != E; ++I) {
|
|
if (I != KS.begin())
|
|
OS << "|";
|
|
if (Count++ == 3) {
|
|
OS << "...";
|
|
break;
|
|
}
|
|
OS << *I;
|
|
}
|
|
return OS;
|
|
}
|
|
|
|
std::vector<ArgKind> Registry::getAcceptedCompletionTypes(
|
|
ArrayRef<std::pair<MatcherCtor, unsigned>> Context) {
|
|
ASTNodeKind InitialTypes[] = {
|
|
ASTNodeKind::getFromNodeKind<Decl>(),
|
|
ASTNodeKind::getFromNodeKind<QualType>(),
|
|
ASTNodeKind::getFromNodeKind<Type>(),
|
|
ASTNodeKind::getFromNodeKind<Stmt>(),
|
|
ASTNodeKind::getFromNodeKind<NestedNameSpecifier>(),
|
|
ASTNodeKind::getFromNodeKind<NestedNameSpecifierLoc>(),
|
|
ASTNodeKind::getFromNodeKind<TypeLoc>()};
|
|
|
|
// Starting with the above seed of acceptable top-level matcher types, compute
|
|
// the acceptable type set for the argument indicated by each context element.
|
|
std::set<ArgKind> TypeSet(std::begin(InitialTypes), std::end(InitialTypes));
|
|
for (const auto &CtxEntry : Context) {
|
|
MatcherCtor Ctor = CtxEntry.first;
|
|
unsigned ArgNumber = CtxEntry.second;
|
|
std::vector<ArgKind> NextTypeSet;
|
|
for (const ArgKind &Kind : TypeSet) {
|
|
if (Kind.getArgKind() == Kind.AK_Matcher &&
|
|
Ctor->isConvertibleTo(Kind.getMatcherKind()) &&
|
|
(Ctor->isVariadic() || ArgNumber < Ctor->getNumArgs()))
|
|
Ctor->getArgKinds(Kind.getMatcherKind(), ArgNumber, NextTypeSet);
|
|
}
|
|
TypeSet.clear();
|
|
TypeSet.insert(NextTypeSet.begin(), NextTypeSet.end());
|
|
}
|
|
return std::vector<ArgKind>(TypeSet.begin(), TypeSet.end());
|
|
}
|
|
|
|
std::vector<MatcherCompletion>
|
|
Registry::getMatcherCompletions(ArrayRef<ArgKind> AcceptedTypes) {
|
|
std::vector<MatcherCompletion> Completions;
|
|
|
|
// Search the registry for acceptable matchers.
|
|
for (const auto &M : RegistryData->constructors()) {
|
|
const MatcherDescriptor& Matcher = *M.getValue();
|
|
StringRef Name = M.getKey();
|
|
|
|
std::set<ASTNodeKind> RetKinds;
|
|
unsigned NumArgs = Matcher.isVariadic() ? 1 : Matcher.getNumArgs();
|
|
bool IsPolymorphic = Matcher.isPolymorphic();
|
|
std::vector<std::vector<ArgKind>> ArgsKinds(NumArgs);
|
|
unsigned MaxSpecificity = 0;
|
|
for (const ArgKind& Kind : AcceptedTypes) {
|
|
if (Kind.getArgKind() != Kind.AK_Matcher)
|
|
continue;
|
|
unsigned Specificity;
|
|
ASTNodeKind LeastDerivedKind;
|
|
if (Matcher.isConvertibleTo(Kind.getMatcherKind(), &Specificity,
|
|
&LeastDerivedKind)) {
|
|
if (MaxSpecificity < Specificity)
|
|
MaxSpecificity = Specificity;
|
|
RetKinds.insert(LeastDerivedKind);
|
|
for (unsigned Arg = 0; Arg != NumArgs; ++Arg)
|
|
Matcher.getArgKinds(Kind.getMatcherKind(), Arg, ArgsKinds[Arg]);
|
|
if (IsPolymorphic)
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!RetKinds.empty() && MaxSpecificity > 0) {
|
|
std::string Decl;
|
|
llvm::raw_string_ostream OS(Decl);
|
|
|
|
if (IsPolymorphic) {
|
|
OS << "Matcher<T> " << Name << "(Matcher<T>";
|
|
} else {
|
|
OS << "Matcher<" << RetKinds << "> " << Name << "(";
|
|
for (const std::vector<ArgKind> &Arg : ArgsKinds) {
|
|
if (&Arg != &ArgsKinds[0])
|
|
OS << ", ";
|
|
|
|
bool FirstArgKind = true;
|
|
std::set<ASTNodeKind> MatcherKinds;
|
|
// Two steps. First all non-matchers, then matchers only.
|
|
for (const ArgKind &AK : Arg) {
|
|
if (AK.getArgKind() == ArgKind::AK_Matcher) {
|
|
MatcherKinds.insert(AK.getMatcherKind());
|
|
} else {
|
|
if (!FirstArgKind) OS << "|";
|
|
FirstArgKind = false;
|
|
OS << AK.asString();
|
|
}
|
|
}
|
|
if (!MatcherKinds.empty()) {
|
|
if (!FirstArgKind) OS << "|";
|
|
OS << "Matcher<" << MatcherKinds << ">";
|
|
}
|
|
}
|
|
}
|
|
if (Matcher.isVariadic())
|
|
OS << "...";
|
|
OS << ")";
|
|
|
|
std::string TypedText = Name;
|
|
TypedText += "(";
|
|
if (ArgsKinds.empty())
|
|
TypedText += ")";
|
|
else if (ArgsKinds[0][0].getArgKind() == ArgKind::AK_String)
|
|
TypedText += "\"";
|
|
|
|
Completions.emplace_back(TypedText, OS.str(), MaxSpecificity);
|
|
}
|
|
}
|
|
|
|
return Completions;
|
|
}
|
|
|
|
VariantMatcher Registry::constructMatcher(MatcherCtor Ctor,
|
|
SourceRange NameRange,
|
|
ArrayRef<ParserValue> Args,
|
|
Diagnostics *Error) {
|
|
return Ctor->create(NameRange, Args, Error);
|
|
}
|
|
|
|
VariantMatcher Registry::constructBoundMatcher(MatcherCtor Ctor,
|
|
SourceRange NameRange,
|
|
StringRef BindID,
|
|
ArrayRef<ParserValue> Args,
|
|
Diagnostics *Error) {
|
|
VariantMatcher Out = constructMatcher(Ctor, NameRange, Args, Error);
|
|
if (Out.isNull()) return Out;
|
|
|
|
llvm::Optional<DynTypedMatcher> Result = Out.getSingleMatcher();
|
|
if (Result.hasValue()) {
|
|
llvm::Optional<DynTypedMatcher> Bound = Result->tryBind(BindID);
|
|
if (Bound.hasValue()) {
|
|
return VariantMatcher::SingleMatcher(*Bound);
|
|
}
|
|
}
|
|
Error->addError(NameRange, Error->ET_RegistryNotBindable);
|
|
return VariantMatcher();
|
|
}
|
|
|
|
} // namespace dynamic
|
|
} // namespace ast_matchers
|
|
} // namespace clang
|