1 //===-- ClangHighlighter.cpp ----------------------------------------------===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
25 bool ClangHighlighter::isKeyword(llvm::StringRef token) const {  in isKeyword()
26   return keywords.contains(token);  in isKeyword()
34 /// Determines which style should be applied to the given token.
37 /// \param token
38 ///     The current token.
40 ///     The string in the source code the token represents.
45 ///     passed by reference and will be updated if the current token starts
48 ///     The ColorStyle that should be applied to the token.
51                     const clang::Token &token, llvm::StringRef tok_str,  in determineClangStyle()  argument
55   if (token.is(tok::comment)) {  in determineClangStyle()
59   } else if (in_pp_directive || token.getKind() == tok::hash) {  in determineClangStyle()
64   } else if (tok::isStringLiteral(token.getKind()))  in determineClangStyle()
66   else if (tok::isLiteral(token.getKind()))  in determineClangStyle()
71     switch (token.getKind()) {  in determineClangStyle()
172   FileID FID = SM.createFileID(buf->getMemBufferRef());  in Highlight()
182   Lexer lex(FID, buf->getMemBufferRef(), SM, Opts);  in Highlight()
189   // True once we actually lexed the user provided line.  in Highlight()
192   // True if we already highlighted the token under the cursor, false otherwise.  in Highlight()
194   Token token;  in Highlight()  local
197     // Returns true if this is the last token we get from the lexer.  in Highlight()
198     exit = lex.LexFromRawLexer(token);  in Highlight()
202         SM.getSpellingLineNumber(token.getLocation(), &invalid);  in Highlight()
213     unsigned start = SM.getSpellingColumnNumber(token.getLocation(), &invalid);  in Highlight()
217     --start;  in Highlight()
220     if (token.isAnnotation())  in Highlight()
223     // Extract the token string from our source code.  in Highlight()
224     llvm::StringRef tok_str = line.substr(start, token.getLength());  in Highlight()
226     // If the token is just an empty string, we can skip all the work below.  in Highlight()
230     // If the cursor is inside this token, we have to apply the 'selected'  in Highlight()
231     // highlight style before applying the actual token color.  in Highlight()
234     auto end = start + token.getLength();  in Highlight()
241     // See how we are supposed to highlight this token.  in Highlight()
243         determineClangStyle(*this, token, tok_str, options, in_pp_directive);  in Highlight()
253   // user the normal line and pretend we don't know how to highlight it. In  in Highlight()
257     assert(false && "We couldn't find the user line in the input file?");  in Highlight()