Differential D106394 Diff 361014 clang/lib/Lex/Lexer.cpp

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clang/lib/Lex/Lexer.cpp

Show First 20 Lines • Show All 2,805 Lines • ▼ Show 20 Lines	bool Lexer::LexEndOfFile(Token &Result, const char *CurPtr) {
// If we are in a #if directive, emit an error.		// If we are in a #if directive, emit an error.
while (!ConditionalStack.empty()) {		while (!ConditionalStack.empty()) {
if (PP->getCodeCompletionFileLoc() != FileLoc)		if (PP->getCodeCompletionFileLoc() != FileLoc)
PP->Diag(ConditionalStack.back().IfLoc,		PP->Diag(ConditionalStack.back().IfLoc,
diag::err_pp_unterminated_conditional);		diag::err_pp_unterminated_conditional);
ConditionalStack.pop_back();		ConditionalStack.pop_back();
}		}

		SourceLocation EndLoc = getSourceLocation(BufferEnd);
// C99 5.1.1.2p2: If the file is non-empty and didn't end in a newline, issue		// C99 5.1.1.2p2: If the file is non-empty and didn't end in a newline, issue
// a pedwarn.		// a pedwarn.
if (CurPtr != BufferStart && (CurPtr[-1] != '\n' && CurPtr[-1] != '\r')) {		if (CurPtr != BufferStart && (CurPtr[-1] != '\n' && CurPtr[-1] != '\r')) {
DiagnosticsEngine &Diags = PP->getDiagnostics();		DiagnosticsEngine &Diags = PP->getDiagnostics();
SourceLocation EndLoc = getSourceLocation(BufferEnd);
unsigned DiagID;		unsigned DiagID;

if (LangOpts.CPlusPlus11) {		if (LangOpts.CPlusPlus11) {
// C++11 [lex.phases] 2.2 p2		// C++11 [lex.phases] 2.2 p2
// Prefer the C++98 pedantic compatibility warning over the generic,		// Prefer the C++98 pedantic compatibility warning over the generic,
// non-extension, user-requested "missing newline at EOF" warning.		// non-extension, user-requested "missing newline at EOF" warning.
if (!Diags.isIgnored(diag::warn_cxx98_compat_no_newline_eof, EndLoc)) {		if (!Diags.isIgnored(diag::warn_cxx98_compat_no_newline_eof, EndLoc)) {
DiagID = diag::warn_cxx98_compat_no_newline_eof;		DiagID = diag::warn_cxx98_compat_no_newline_eof;
} else {		} else {
DiagID = diag::warn_no_newline_eof;		DiagID = diag::warn_no_newline_eof;
}		}
} else {		} else {
DiagID = diag::ext_no_newline_eof;		DiagID = diag::ext_no_newline_eof;
}		}

Diag(BufferEnd, DiagID)		Diag(BufferEnd, DiagID)
<< FixItHint::CreateInsertion(EndLoc, "\n");		<< FixItHint::CreateInsertion(EndLoc, "\n");
}		}

BufferPtr = CurPtr;		BufferPtr = CurPtr;

// Finally, let the preprocessor handle this.		// Finally, let the preprocessor handle this.
return PP->HandleEndOfFile(Result, isPragmaLexer());		return PP->HandleEndOfFile(Result, EndLoc, isPragmaLexer());
}		}

/// isNextPPTokenLParen - Return 1 if the next unexpanded token lexed from		/// isNextPPTokenLParen - Return 1 if the next unexpanded token lexed from
/// the specified lexer will return a tok::l_paren token, 0 if it is something		/// the specified lexer will return a tok::l_paren token, 0 if it is something
/// else and 2 if there are no more tokens in the buffer controlled by the		/// else and 2 if there are no more tokens in the buffer controlled by the
/// lexer.		/// lexer.
unsigned Lexer::isNextPPTokenLParen() {		unsigned Lexer::isNextPPTokenLParen() {
assert(!LexingRawMode && "How can we expand a macro from a skipping buffer?");		assert(!LexingRawMode && "How can we expand a macro from a skipping buffer?");
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