Version 3.0.2.

src/scanner-base.cc

Index: src/scanner-base.cc
diff --git a/src/scanner-base.cc b/src/scanner-base.cc
index b26fee01a72351c1c93fc42bc2522ed53f221a60..9e58c4e6371d746fe4ef523701c14015390be70f 100644
--- a/src/scanner-base.cc
+++ b/src/scanner-base.cc
@@ -35,6 +35,12 @@ namespace v8 {
 namespace internal {
 
 // ----------------------------------------------------------------------------
+// UTF16Buffer
+
+UTF16Buffer::UTF16Buffer()
+    : pos_(0), end_(kNoEndPosition) { }
+
+// ----------------------------------------------------------------------------
 // LiteralCollector
 
 LiteralCollector::LiteralCollector()
@@ -86,7 +92,7 @@ bool ScannerConstants::IsIdentifier(unibrow::CharacterStream* buffer) {
 // ----------------------------------------------------------------------------
 // Scanner
 
-Scanner::Scanner() { }
+Scanner::Scanner() : source_(NULL) {}
 
 
 uc32 Scanner::ScanHexEscape(uc32 c, int length) {
@@ -136,7 +142,8 @@ uc32 Scanner::ScanOctalEscape(uc32 c, int length) {
 // ----------------------------------------------------------------------------
 // JavaScriptScanner
 
-JavaScriptScanner::JavaScriptScanner() : Scanner() {}
+JavaScriptScanner::JavaScriptScanner()
+    : has_line_terminator_before_next_(false) {}
 
 
 Token::Value JavaScriptScanner::Next() {
@@ -496,21 +503,12 @@ void JavaScriptScanner::Scan() {
 
 
 void JavaScriptScanner::SeekForward(int pos) {
-  // After this call, we will have the token at the given position as
-  // the "next" token. The "current" token will be invalid.
-  if (pos == next_.location.beg_pos) return;
-  int current_pos = source_pos();
-  ASSERT_EQ(next_.location.end_pos, current_pos);
-  // Positions inside the lookahead token aren't supported.
-  ASSERT(pos >= current_pos);
-  if (pos != current_pos) {
-    source_->SeekForward(pos - source_->pos());
-    Advance();
-    // This function is only called to seek to the location
-    // of the end of a function (at the "}" token). It doesn't matter
-    // whether there was a line terminator in the part we skip.
-    has_line_terminator_before_next_ = false;
-  }
+  source_->SeekForward(pos - 1);
+  Advance();
+  // This function is only called to seek to the location
+  // of the end of a function (at the "}" token). It doesn't matter
+  // whether there was a line terminator in the part we skip.
+  has_line_terminator_before_next_ = false;
   Scan();
 }