bool TranslationUnit::LocationIsInSystemHeader( const Location &location ) {
unique_lock< mutex > lock( clang_access_mutex_ );
if ( !clang_translation_unit_ || !location.IsValid() ) {
return false;
}
return clang_Location_isInSystemHeader(
GetSourceLocation( location.filename_,
location.line_number_,
location.column_number_ ) );
}
TEST_F( TranslationUnitTest, GoToDefinitionFails ) {
TranslationUnit unit( PathToTestFile( "goto.cpp" ).string(),
std::vector< UnsavedFile >(),
std::vector< std::string >(),
clang_index_ );
Location location = unit.GetDefinitionLocation(
19,
3,
std::vector< UnsavedFile >() );
EXPECT_FALSE( location.IsValid() );
}
TEST_F( TranslationUnitTest, GoToDefinitionFails ) {
fs::path path_to_testdata = fs::current_path() / fs::path( "testdata" );
fs::path test_file = path_to_testdata / fs::path( "goto.cpp" );
TranslationUnit unit( test_file.string(),
std::vector< UnsavedFile >(),
std::vector< std::string >(),
clang_index_ );
Location location = unit.GetDefinitionLocation(
17,
3,
std::vector< UnsavedFile >() );
EXPECT_FALSE( location.IsValid() );
}
Location TranslationUnit::GetDefinitionOrDeclarationLocation(
const std::string &filename,
int line,
int column,
const std::vector< UnsavedFile > &unsaved_files,
bool reparse ) {
if ( reparse ) {
Reparse( unsaved_files );
}
unique_lock< mutex > lock( clang_access_mutex_ );
if ( !clang_translation_unit_ ) {
return Location();
}
CXCursor cursor = GetCursor( filename, line, column );
if ( !CursorIsValid( cursor ) ) {
return Location();
}
// Return the definition or the declaration of a symbol under the cursor
// according to the following logic:
// - if the cursor is already on the definition, return the location of the
// declaration;
// - otherwise, search for the definition and return its location;
// - if no definition is found, return the location of the declaration.
if ( clang_isCursorDefinition( cursor ) ) {
return GetDeclarationLocationForCursor( cursor );
}
Location location = GetDefinitionLocationForCursor( cursor );
if ( location.IsValid() ) {
return location;
}
return GetDeclarationLocationForCursor( cursor );
}