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// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_PARSING_SCANNER_INL_H_
#define V8_PARSING_SCANNER_INL_H_
#include "src/parsing/scanner.h"
#include "src/unicode-cache-inl.h"
namespace v8 {
namespace internal {
V8_INLINE Token::Value Scanner::SkipWhiteSpace() {
int start_position = source_pos();
while (true) {
// We won't skip behind the end of input.
DCHECK(!unicode_cache_->IsWhiteSpace(kEndOfInput));
// Advance as long as character is a WhiteSpace or LineTerminator.
// Remember if the latter is the case.
if (unibrow::IsLineTerminator(c0_)) {
next().after_line_terminator = true;
} else if (!unicode_cache_->IsWhiteSpace(c0_)) {
break;
}
Advance();
}
// Return whether or not we skipped any characters.
if (source_pos() == start_position) {
DCHECK_NE('0', c0_);
return Token::ILLEGAL;
}
return Token::WHITESPACE;
}
} // namespace internal
} // namespace v8
#endif // V8_PARSING_SCANNER_INL_H_
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