return CodePoint;
}
+static bool isUnicodeWhitespace(uint32_t C) {
+ return (C == 0x0085 || C == 0x00A0 || C == 0x1680 ||
+ C == 0x180E || (C >= 0x2000 && C <= 0x200A) ||
+ C == 0x2028 || C == 0x2029 || C == 0x202F ||
+ C == 0x205F || C == 0x3000);
+}
+
void Lexer::LexUnicode(Token &Result, uint32_t C, const char *CurPtr) {
+ if (isUnicodeWhitespace(C)) {
+ if (!isLexingRawMode()) {
+ CharSourceRange CharRange =
+ CharSourceRange::getCharRange(getSourceLocation(),
+ getSourceLocation(CurPtr));
+ Diag(BufferPtr, diag::ext_unicode_whitespace)
+ << CharRange;
+ }
+
+ Result.setFlag(Token::LeadingSpace);
+ if (SkipWhitespace(Result, CurPtr))
+ return; // KeepWhitespaceMode
+
+ return LexTokenInternal(Result);
+ }
+
if (isAllowedIDChar(C) && isAllowedInitiallyIDChar(C)) {
MIOpt.ReadToken();
return LexIdentifier(Result, CurPtr);
--- /dev/null
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+// This file contains Unicode characters; please do not "fix" them!
+
+extern int x; // expected-warning {{treating Unicode character as whitespace}}
+extern int x; // expected-warning {{treating Unicode character as whitespace}}