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