Experimental parser: add back last re2c rules

src/lexer/even-more-experimental-scanner.h

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 16 matching lines @@
 
 #ifndef V8_LEXER_EVEN_MORE_EXPERIMENTAL_SCANNER_H
 #define V8_LEXER_EVEN_MORE_EXPERIMENTAL_SCANNER_H
 
 #include "token.h"
 #include "flags.h"
 #include "v8stdint.h"
 
 #define YYCTYPE uint8_t
 
-#define PUSH_TOKEN(T) { send(T); start_ = cursor_; }
-#define PUSH_LINE_TERMINATOR(s) { start_ = cursor_; }
-#define FORWARD() { yych = *(++cursor_); }
-#define SKIP() { start_ = cursor_; }
+#define PUSH_TOKEN(T) {               \
+  send(T);                            \
+  start_ = cursor_;                   \
+  just_seen_line_terminator_ = false; \
+}
+#define PUSH_LINE_TERMINATOR(s) {     \
+  start_ = cursor_;                   \
+  just_seen_line_terminator_ = true;  \
+}
+#define FORWARD() {                   \
+  yych = *(++cursor_);                \
+}
+#define SKIP() {                      \
+  start_ = cursor_;                   \
+}
 
 namespace v8 {
 namespace internal {
 
 class ExperimentalScanner;
 class UnicodeCache;
 
 class EvenMoreExperimentalScanner {
  public:
   explicit EvenMoreExperimentalScanner(ExperimentalScanner* sink,
@@ skipping 10 matching lines @@
   bool ValidIdentifierStart();
   bool ValidIdentifierPart();
   uc32 ScanHexNumber(int length);
 
   UnicodeCache* unicode_cache_;
 
   YYCTYPE* buffer_;
   YYCTYPE* buffer_end_;
   YYCTYPE* start_;
   YYCTYPE* cursor_;
+  bool just_seen_line_terminator_;
 
   YYCTYPE yych;
   ExperimentalScanner* sink_;
 };
 
 } }
 
 #endif  // V8_LEXER_LEXER_H