(98f2cfe37c2bdf578f802254d5c1ff4c699ced45)

#include "clangcodeparser.h"
#include "cppcodeparser.h"
#include "access.h"
#include "classnode.h"
#include "config.h"
#include "enumnode.h"
#include "functionnode.h"
#include "namespacenode.h"
#include "propertynode.h"
#include "qdocdatabase.h"
#include "typedefnode.h"
#include "variablenode.h"
#include "sourcefileparser.h"
#include "utilities.h"
#include <QtCore/qdebug.h>
#include <QtCore/qelapsedtimer.h>
#include <QtCore/qfile.h>
#include <QtCore/qscopedvaluerollback.h>
#include <QtCore/qtemporarydir.h>
#include <QtCore/qtextstream.h>
#include <QtCore/qvarlengtharray.h>
#include <clang-c/Index.h>
#include <clang/AST/Decl.h>
#include <clang/AST/DeclFriend.h>
#include <clang/AST/DeclTemplate.h>
#include <clang/AST/Expr.h>
#include <clang/AST/Type.h>
#include <clang/AST/TypeLoc.h>
#include <clang/Basic/SourceLocation.h>
#include <clang/Frontend/ASTUnit.h>
#include <clang/Lex/Lexer.h>
#include <llvm/Support/Casting.h>
#include "clang/AST/QualTypeNames.h"
#include "template_declaration.h"
#include <cstdio>

Include dependency graph for clangcodeparser.cpp:

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Classes
struct	CompilationIndex

struct	TranslationUnit

struct	FileCacheEntry
	Returns the spelling in the file for a source range. More...

class	ClangVisitor

Functions
template<class T>
static QDebug	operator<< (QDebug debug, const std::vector< T > &v)

static void	printDiagnostics (const CXTranslationUnit &translationUnit)

static const clang::Decl *	get_cursor_declaration (CXCursor cursor)
	Returns the underlying Decl that cursor represents.

static std::string	get_fully_qualified_type_name (clang::QualType type, const clang::ASTContext &declaration_context)
	Returns a string representing the name of type as if it was referred to at the end of the translation unit that it was parsed from.

static std::string	get_expression_as_string (const clang::Expr *expression, const clang::ASTContext &declaration_context)

static std::string	get_default_value_initializer_as_string (const clang::TemplateTypeParmDecl *parameter)

static std::string	get_default_value_initializer_as_string (const clang::NonTypeTemplateParmDecl *parameter)

static std::string	get_default_value_initializer_as_string (const clang::TemplateTemplateParmDecl *parameter)

static std::string	get_default_value_initializer_as_string (const clang::ParmVarDecl *parameter)

static std::string	get_default_value_initializer_as_string (const clang::NamedDecl *declaration)

template<typename T>
bool	visitChildrenLambda (CXCursor cursor, T &&lambda)
	Call clang_visitChildren on the given cursor with the lambda as a callback T can be any functor that is callable with a CXCursor parameter and returns a CXChildVisitResult (in other word compatible with function<CXChildVisitResult(CXCursor)>

static QString	fromCXString (CXString &&string)
	convert a CXString to a QString, and dispose the CXString

static RelaxedTemplateDeclaration	get_template_declaration (const clang::TemplateDecl *template_declaration)

static Location	fromCXSourceLocation (CXSourceLocation location)
	convert a CXSourceLocation to a qdoc Location

static Access	fromCX_CXXAccessSpecifier (CX_CXXAccessSpecifier spec)
	convert a CX_CXXAccessSpecifier to Node::Access

static QString	fromCache (const QByteArray &cache, unsigned int offset1, unsigned int offset2)

static QString	readFile (CXFile cxFile, unsigned int offset1, unsigned int offset2)

static QString	getSpelling (CXSourceRange range)

QString	functionName (CXCursor cursor)
	Returns the function name from a given cursor representing a function declaration.

static QString	reconstructQualifiedPathForCursor (CXCursor cur)
	Reconstruct the qualified path name of a function that is being overridden.

static Node *	findNodeForCursor (QDocDatabase *qdb, CXCursor cur)
	Find the node from the QDocDatabase qdb that corresponds to the declaration represented by the cursor cur, if it exists.

static void	setOverridesForFunction (FunctionNode *fn, CXCursor cursor)

void	getDefaultArgs (const QList< QByteArray > &defines, std::vector< const char * > &args)
	Load the default arguments and the defines into args.

static QList< QByteArray >	includePathsFromHeaders (const std::set< Config::HeaderFilePath > &allHeaders)

void	getMoreArgs (const std::vector< QByteArray > &include_paths, const std::set< Config::HeaderFilePath > &all_headers, std::vector< const char * > &args)
	Load the include paths into moreArgs.

std::optional< PCHFile >	buildPCH (QDocDatabase *qdb, QString module_header, const std::set< Config::HeaderFilePath > &all_headers, const std::vector< QByteArray > &include_paths, const QList< QByteArray > &defines)
	Building the PCH must be possible when there are no .cpp files, so it is moved here to its own member function, and it is called after the list of header files is complete.

static float	getUnpatchedVersion (QString t)

Variables
static const auto	kClangDontDisplayDiagnostics = 0

static CXTranslationUnit_Flags	flags_ = static_cast<CXTranslationUnit_Flags>(0)

constexpr const char	fnDummyFileName [] = "/fn_dummyfile.cpp"

static const char *	defaultArgs_ []

Function Documentation

◆ buildPCH()

std::optional< PCHFile > buildPCH	(	QDocDatabase *	qdb,
		QString	module_header,
		const std::set< Config::HeaderFilePath > &	all_headers,
		const std::vector< QByteArray > &	include_paths,
		const QList< QByteArray > &	defines )

Building the PCH must be possible when there are no .cpp files, so it is moved here to its own member function, and it is called after the list of header files is complete.

Definition at line 1594 of file clangcodeparser.cpp.

References flags_, kClangDontDisplayDiagnostics, printDiagnostics(), TranslationUnit::tu, and ClangVisitor::visitChildren().

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◆ findNodeForCursor()

static Node * findNodeForCursor	(	QDocDatabase *	qdb,
		CXCursor	cur )

static

Find the node from the QDocDatabase qdb that corresponds to the declaration represented by the cursor cur, if it exists.

Definition at line 566 of file clangcodeparser.cpp.

References Node< _Tp >::CPP, findNodeForCursor(), fromCXSourceLocation(), get_cursor_declaration(), Node< _Tp >::isAggregate(), Node< _Tp >::isClassNode(), Node< _Tp >::isEnumType(), Node< _Tp >::isFunction(), Node< _Tp >::isNamespace(), Node< _Tp >::isTypedef(), Node< _Tp >::isVariable(), and QDocDatabase::primaryTreeRoot().

Referenced by findNodeForCursor().

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◆ fromCache()

static QString fromCache	(	const QByteArray &	cache,
		unsigned int	offset1,
		unsigned int	offset2 )

inlinestatic

Definition at line 452 of file clangcodeparser.cpp.

◆ fromCX_CXXAccessSpecifier()

static Access fromCX_CXXAccessSpecifier ( CX_CXXAccessSpecifier spec )

static

convert a CX_CXXAccessSpecifier to Node::Access

Definition at line 428 of file clangcodeparser.cpp.

◆ fromCXSourceLocation()

static Location fromCXSourceLocation ( CXSourceLocation location )

static

convert a CXSourceLocation to a qdoc Location

Definition at line 414 of file clangcodeparser.cpp.

References Location::setColumnNo(), and Location::setLineNo().

Referenced by findNodeForCursor(), and ClangCodeParser::parse_cpp_file().

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◆ fromCXString()

static QString fromCXString ( CXString && string )

static

convert a CXString to a QString, and dispose the CXString

Definition at line 332 of file clangcodeparser.cpp.

◆ functionName()

QString functionName ( CXCursor cursor )

Returns the function name from a given cursor representing a function declaration.

This is usually clang_getCursorSpelling, but not for the conversion function in which case it is a bit more complicated

Definition at line 503 of file clangcodeparser.cpp.

References get_cursor_declaration().

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◆ get_cursor_declaration()

static const clang::Decl * get_cursor_declaration ( CXCursor cursor )

static

Returns the underlying Decl that cursor represents.

This can be used to drop back down from a LibClang's CXCursor to the underlying C++ AST that Clang provides.

It should be used when LibClang does not expose certain functionalities that are available in the C++ AST.

The CXCursor should represent a declaration. Usages of this function on CXCursors that do not represent a declaration may produce undefined results.

Definition at line 134 of file clangcodeparser.cpp.

Referenced by findNodeForCursor(), and functionName().

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◆ get_default_value_initializer_as_string() [1/5]

static std::string get_default_value_initializer_as_string ( const clang::NamedDecl * declaration )

static

Definition at line 294 of file clangcodeparser.cpp.

◆ get_default_value_initializer_as_string() [2/5]

static std::string get_default_value_initializer_as_string ( const clang::NonTypeTemplateParmDecl * parameter )

static

Definition at line 232 of file clangcodeparser.cpp.

◆ get_default_value_initializer_as_string() [3/5]

static std::string get_default_value_initializer_as_string ( const clang::ParmVarDecl * parameter )

static

Definition at line 276 of file clangcodeparser.cpp.

◆ get_default_value_initializer_as_string() [4/5]

static std::string get_default_value_initializer_as_string ( const clang::TemplateTemplateParmDecl * parameter )

static

Definition at line 252 of file clangcodeparser.cpp.

◆ get_default_value_initializer_as_string() [5/5]

static std::string get_default_value_initializer_as_string ( const clang::TemplateTypeParmDecl * parameter )

static

Definition at line 210 of file clangcodeparser.cpp.

◆ get_expression_as_string()

static std::string get_expression_as_string	(	const clang::Expr *	expression,
		const clang::ASTContext &	declaration_context )

static

Definition at line 186 of file clangcodeparser.cpp.

◆ get_fully_qualified_type_name()

static std::string get_fully_qualified_type_name	(	clang::QualType	type,
		const clang::ASTContext &	declaration_context )

static

Returns a string representing the name of type as if it was referred to at the end of the translation unit that it was parsed from.

For example, given the following code:

namespace foo {
   template<typename T>
   struct Bar {
      using Baz = const T&;
 
      void bam(Baz);
   };
}

Given a parsed translation unit and an AST node, say {decl}, representing the parameter declaration of the first argument of {bam}, calling {get_fully_qualified_name(decl->getType(), * decl->getASTContext())} would result in the string {foo::Bar<T>::Baz}.

This should generally be used every time the stringified representation of a type is acquired as part of parsing with Clang, so as to ensure a consistent behavior and output.

Definition at line 168 of file clangcodeparser.cpp.

References clang::TypeName::getFullyQualifiedName().

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◆ get_template_declaration()

static RelaxedTemplateDeclaration get_template_declaration ( const clang::TemplateDecl * template_declaration )

static

Definition at line 343 of file clangcodeparser.cpp.

◆ getDefaultArgs()

void getDefaultArgs	(	const QList< QByteArray > &	defines,
		std::vector< const char * > &	args )

Load the default arguments and the defines into args.

Clear args first.

Definition at line 1540 of file clangcodeparser.cpp.

References defaultArgs_.

◆ getMoreArgs()

void getMoreArgs	(	const std::vector< QByteArray > &	include_paths,
		const std::set< Config::HeaderFilePath > &	all_headers,
		std::vector< const char * > &	args )

Load the include paths into moreArgs.

If no include paths were provided, try to guess reasonable include paths.

Definition at line 1566 of file clangcodeparser.cpp.

◆ getSpelling()

static QString getSpelling ( CXSourceRange range )

static

Definition at line 483 of file clangcodeparser.cpp.

◆ getUnpatchedVersion()

static float getUnpatchedVersion ( QString t )

static

Definition at line 1722 of file clangcodeparser.cpp.

◆ includePathsFromHeaders()

static QList< QByteArray > includePathsFromHeaders ( const std::set< Config::HeaderFilePath > & allHeaders )

static

Definition at line 1550 of file clangcodeparser.cpp.

◆ operator<<()

template<class T>

static QDebug operator<<	(	QDebug	debug,
		const std::vector< T > &	v )

static

Definition at line 86 of file clangcodeparser.cpp.

◆ printDiagnostics()

static void printDiagnostics ( const CXTranslationUnit & translationUnit )

static

Definition at line 103 of file clangcodeparser.cpp.

Referenced by buildPCH(), FnCommandParser::operator()(), and ClangCodeParser::parse_cpp_file().

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◆ readFile()

static QString readFile	(	CXFile	cxFile,
		unsigned int	offset1,
		unsigned int	offset2 )

static

Definition at line 458 of file clangcodeparser.cpp.

◆ reconstructQualifiedPathForCursor()

static QString reconstructQualifiedPathForCursor ( CXCursor cur )

static

Reconstruct the qualified path name of a function that is being overridden.

Definition at line 531 of file clangcodeparser.cpp.

◆ setOverridesForFunction()

static void setOverridesForFunction	(	FunctionNode *	fn,
		CXCursor	cursor )

static

Definition at line 732 of file clangcodeparser.cpp.

References FunctionNode::setOverride().

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◆ visitChildrenLambda()

template<typename T>

bool visitChildrenLambda	(	CXCursor	cursor,
		T &&	lambda )

Call clang_visitChildren on the given cursor with the lambda as a callback T can be any functor that is callable with a CXCursor parameter and returns a CXChildVisitResult (in other word compatible with function<CXChildVisitResult(CXCursor)>

Definition at line 320 of file clangcodeparser.cpp.

Variable Documentation

◆ defaultArgs_

static const char * defaultArgs_

static

Initial value:

= {
 
 
 
 
    "-std=c++20",
 
 
    "-fPIC",
 
 
 
    "-DQ_QDOC",
    "-DQ_CLANG_QDOC",
    "-DQT_DISABLE_DEPRECATED_UP_TO=0",
    "-DQT_ANNOTATE_CLASS(type,...)=static_assert(sizeof(#__VA_ARGS__),#type);",
    "-DQT_ANNOTATE_CLASS2(type,a1,a2)=static_assert(sizeof(#a1,#a2),#type);",
    "-DQT_ANNOTATE_FUNCTION(a)=__attribute__((annotate(#a)))",
    "-DQT_ANNOTATE_ACCESS_SPECIFIER(a)=__attribute__((annotate(#a)))",
    "-Wno-constant-logical-operand",
    "-Wno-macro-redefined",
    "-Wno-nullability-completeness",
    "-fvisibility=default",
    "-ferror-limit=0",
    "-xc++"
}

Definition at line 1504 of file clangcodeparser.cpp.

Referenced by getDefaultArgs().

◆ flags_

static CXTranslationUnit_Flags flags_ = static_cast<CXTranslationUnit_Flags>(0)

static

Definition at line 80 of file clangcodeparser.cpp.

Referenced by buildPCH(), and ClangCodeParser::parse_cpp_file().

◆ fnDummyFileName

const char fnDummyFileName = "/fn_dummyfile.cpp"

constexpr

Definition at line 82 of file clangcodeparser.cpp.

Referenced by FnCommandParser::operator()().

◆ kClangDontDisplayDiagnostics

static const auto kClangDontDisplayDiagnostics = 0

static

Definition at line 78 of file clangcodeparser.cpp.

Referenced by buildPCH(), FnCommandParser::operator()(), and ClangCodeParser::parse_cpp_file().

(98f2cfe37c2bdf578f802254d5c1ff4c699ced45)

Classes

Functions

Variables

Function Documentation

◆ buildPCH()

◆ findNodeForCursor()

◆ fromCache()

◆ fromCX_CXXAccessSpecifier()

◆ fromCXSourceLocation()

◆ fromCXString()

◆ functionName()

◆ get_cursor_declaration()

◆ get_default_value_initializer_as_string() [1/5]

◆ get_default_value_initializer_as_string() [2/5]

◆ get_default_value_initializer_as_string() [3/5]

◆ get_default_value_initializer_as_string() [4/5]

◆ get_default_value_initializer_as_string() [5/5]

◆ get_expression_as_string()

◆ get_fully_qualified_type_name()

◆ get_template_declaration()

◆ getDefaultArgs()

◆ getMoreArgs()

◆ getSpelling()

◆ getUnpatchedVersion()

◆ includePathsFromHeaders()

◆ operator<<()

◆ printDiagnostics()

◆ readFile()

◆ reconstructQualifiedPathForCursor()

◆ setOverridesForFunction()

◆ visitChildrenLambda()

Variable Documentation

◆ defaultArgs_

◆ flags_

◆ fnDummyFileName

◆ kClangDontDisplayDiagnostics