diff options
Diffstat (limited to 'deps/v8/src/parsing/scanner.h')
| -rw-r--r-- | deps/v8/src/parsing/scanner.h | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/deps/v8/src/parsing/scanner.h b/deps/v8/src/parsing/scanner.h index 200054d893..08d77c686b 100644 --- a/deps/v8/src/parsing/scanner.h +++ b/deps/v8/src/parsing/scanner.h @@ -260,6 +260,8 @@ class Scanner { double DoubleValue(); + const char* CurrentLiteralAsCString(Zone* zone) const; + inline bool CurrentMatches(Token::Value token) const { DCHECK(Token::IsKeyword(token)); return current_.token == token; @@ -356,6 +358,9 @@ class Scanner { bool FoundHtmlComment() const { return found_html_comment_; } + bool allow_harmony_bigint() const { return allow_harmony_bigint_; } + void set_allow_harmony_bigint(bool allow) { allow_harmony_bigint_ = allow; } + private: // Scoped helper for saving & restoring scanner error state. // This is used for tagged template literals, in which normally forbidden @@ -409,7 +414,7 @@ class Scanner { Vector<const uint16_t> two_byte_literal() const { DCHECK(!is_one_byte_); - DCHECK((position_ & 0x1) == 0); + DCHECK_EQ(position_ & 0x1, 0); return Vector<const uint16_t>( reinterpret_cast<const uint16_t*>(backing_store_.start()), position_ >> 1); @@ -494,18 +499,18 @@ class Scanner { // Initialize current_ to not refer to a literal. current_.token = Token::UNINITIALIZED; current_.contextual_token = Token::UNINITIALIZED; - current_.literal_chars = NULL; - current_.raw_literal_chars = NULL; + current_.literal_chars = nullptr; + current_.raw_literal_chars = nullptr; current_.invalid_template_escape_message = MessageTemplate::kNone; next_.token = Token::UNINITIALIZED; next_.contextual_token = Token::UNINITIALIZED; - next_.literal_chars = NULL; - next_.raw_literal_chars = NULL; + next_.literal_chars = nullptr; + next_.raw_literal_chars = nullptr; next_.invalid_template_escape_message = MessageTemplate::kNone; next_next_.token = Token::UNINITIALIZED; next_next_.contextual_token = Token::UNINITIALIZED; - next_next_.literal_chars = NULL; - next_next_.raw_literal_chars = NULL; + next_next_.literal_chars = nullptr; + next_next_.raw_literal_chars = nullptr; next_next_.invalid_template_escape_message = MessageTemplate::kNone; found_html_comment_ = false; scanner_error_ = MessageTemplate::kNone; @@ -572,8 +577,8 @@ class Scanner { // Stops scanning of a literal and drop the collected characters, // e.g., due to an encountered error. inline void DropLiteral() { - next_.literal_chars = NULL; - next_.raw_literal_chars = NULL; + next_.literal_chars = nullptr; + next_.raw_literal_chars = nullptr; } inline void AddLiteralCharAdvance() { @@ -662,10 +667,6 @@ class Scanner { bool is_literal_one_byte() const { return !current_.literal_chars || current_.literal_chars->is_one_byte(); } - int literal_length() const { - if (current_.literal_chars) return current_.literal_chars->length(); - return Token::StringLength(current_.token); - } // Returns the literal string for the next token (the token that // would be returned if Next() were called). Vector<const uint8_t> next_literal_one_byte_string() const { @@ -801,6 +802,9 @@ class Scanner { // Whether this scanner encountered an HTML comment. bool found_html_comment_; + // Whether to recognize BIGINT tokens. + bool allow_harmony_bigint_; + int* use_counts_; MessageTemplate::Template scanner_error_; |