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Showing content from https://clang.llvm.org/doxygen/Lookup_8cpp_source.html below:

clang: lib/Tooling/Refactoring/Lookup.cpp Source File

20#include "llvm/ADT/SmallVector.h" 21using namespace clang

;

32 auto

GetNextNamedNamespace = [](

const DeclContext

*Context) {

34 while

(Context && (!isa<NamespaceDecl>(Context) ||

35

cast<NamespaceDecl>(Context)->isAnonymousNamespace()))

36

Context = Context->getParent();

39 for

(Context = GetNextNamedNamespace(Context); Context !=

nullptr

;

40

Context = GetNextNamedNamespace(Context->getParent()))

41

Namespaces.push_back(cast<NamespaceDecl>(Context));

62 if

(UseNamespaces.size() < FromNamespaces.size())

64 unsigned

Diff = UseNamespaces.size() - FromNamespaces.size();

65 auto

FromIter = FromNamespaces.begin();

69 auto

UseIter = UseNamespaces.begin() + Diff;

70 for

(; FromIter != FromNamespaces.end() && UseIter != UseNamespaces.end();

71

++FromIter, ++UseIter) {

73 if

(*FromIter == *UseIter)

77 if

(cast<NamespaceDecl>(*FromIter)->getDeclName() ==

78

cast<NamespaceDecl>(*UseIter)->getDeclName())

81

assert(FromIter == FromNamespaces.end() && UseIter == UseNamespaces.end());

87 bool

HadLeadingColonColon) {

89 while

(DeclA && !isa<NamespaceDecl>(DeclA))

94 return

HadLeadingColonColon ? NewName : NewName.substr(2);

100 "::"

+ cast<NamespaceDecl>(DeclA)->getQualifiedNameAsString() +

"::"

;

101 if

(NewName.consume_front(NS))

131

assert(QName.starts_with(

"::"

));

132

assert(QName.ends_with(Spelling));

133 if

(Spelling.starts_with(

"::"

))

134 return

std::string(Spelling);

136 auto

UnspelledSpecifier = QName.drop_back(Spelling.size());

138

UnspelledSpecifier.split(UnspelledScopes,

"::"

-1,

144

StringRef TrimmedQName = QName.substr(2);

146

UseLoc =

.getSpellingLoc(UseLoc);

148 auto

IsAmbiguousSpelling = [&](

const

llvm::StringRef CurSpelling) {

149 if

(CurSpelling.starts_with(

"::"

))

154

StringRef Head = CurSpelling.split(

"::"

).first;

155 for

(

const auto

*NS : EnclosingNamespaces) {

157 if

(!LookupRes.empty()) {

163 if

(!TrimmedQName.starts_with(Res->getQualifiedNameAsString()) &&

164 SM

.isBeforeInTranslationUnit(

165 SM

.getSpellingLoc(Res->getLocation()), UseLoc))

173

std::string Disambiguated = std::string(Spelling);

174 while

(IsAmbiguousSpelling(Disambiguated)) {

175 if

(UnspelledScopes.empty()) {

176

Disambiguated =

"::"

+ Disambiguated;

178

Disambiguated = (UnspelledScopes.back() +

"::"

+ Disambiguated).str();

179

UnspelledScopes.pop_back();

182 return

Disambiguated;

189

StringRef ReplacementString) {

190

assert(ReplacementString.starts_with(

"::"

) &&

191 "Expected fully-qualified name!"

);

201 const bool

class_name_only = !Use;

202 const bool

in_global_namespace =

204 const bool

is_class_forward_decl =

206

!cast<CXXRecordDecl>(

FromDecl

)->isCompleteDefinition();

207 if

(class_name_only && !in_global_namespace && !is_class_forward_decl &&

210 auto

Pos = ReplacementString.rfind(

"::"

);

211 return

std::string(Pos != StringRef::npos

212

? ReplacementString.substr(Pos + 2)

213

: ReplacementString);

Defines the clang::ASTContext interface.

Defines the C++ Decl subclasses, other than those for templates (found in DeclTemplate....

static llvm::SmallVector< const NamespaceDecl *, 4 > getAllNamedNamespaces(const DeclContext *Context)

static bool usingFromDifferentCanonicalNamespace(const DeclContext *FromContext, const DeclContext *UseContext)

static StringRef getBestNamespaceSubstr(const DeclContext *DeclA, StringRef NewName, bool HadLeadingColonColon)

static std::string disambiguateSpellingInScope(StringRef Spelling, StringRef QName, const DeclContext &UseContext, SourceLocation UseLoc)

static bool isFullyQualified(const NestedNameSpecifier *NNS)

Check if the name specifier begins with a written "::".

Defines the clang::SourceLocation class and associated facilities.

Defines the SourceManager interface.

const NamedDecl * FromDecl

SourceManager & getSourceManager()

DeclContext - This is used only as base class of specific decl types that can act as declaration cont...

DeclContext * getParent()

getParent - Returns the containing DeclContext.

ASTContext & getParentASTContext() const

DeclContext * getDeclContext()

The name of a declaration.

This represents a decl that may have a name.

Represents a C++ nested name specifier, such as "\::std::vector<int>::".

SpecifierKind getKind() const

Determine what kind of nested name specifier is stored.

NestedNameSpecifier * getPrefix() const

Return the prefix of this nested name specifier.

@ Global

The global specifier '::'. There is no stored value.

Encodes a location in the source.

The JSON file list parser is used to communicate input to InstallAPI.

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