Version 2.5.5
Added more aggressive GC of external objects in near out-of-memory situations.
Fixed a bug that gave the incorrect result for String.split called on the empty string (issue 924).
git-svn-id: http://v8.googlecode.com/svn/trunk@5780 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/src/assembler.cc b/src/assembler.cc
index ce90dce..7493673 100644
--- a/src/assembler.cc
+++ b/src/assembler.cc
@@ -804,4 +804,53 @@
}
#endif
+
+void PositionsRecorder::RecordPosition(int pos,
+ PositionRecordingType recording_type) {
+ ASSERT(pos != RelocInfo::kNoPosition);
+ ASSERT(pos >= 0);
+ current_position_ = pos;
+ current_position_recording_type_ = recording_type;
+}
+
+
+void PositionsRecorder::RecordStatementPosition(int pos) {
+ ASSERT(pos != RelocInfo::kNoPosition);
+ ASSERT(pos >= 0);
+ current_statement_position_ = pos;
+}
+
+
+bool PositionsRecorder::WriteRecordedPositions() {
+ bool written = false;
+
+ // Write the statement position if it is different from what was written last
+ // time.
+ if (current_statement_position_ != written_statement_position_) {
+ EnsureSpace ensure_space(assembler_);
+ assembler_->RecordRelocInfo(RelocInfo::STATEMENT_POSITION,
+ current_statement_position_);
+ written_statement_position_ = current_statement_position_;
+ written = true;
+ }
+
+ // Write the position if it is different from what was written last time and
+ // also different from the written statement position or was forced.
+ if (current_position_ != written_position_ &&
+ (current_position_ != current_statement_position_ || !written) &&
+ (current_position_ != written_statement_position_
+ || current_position_recording_type_ == FORCED_POSITION)) {
+ EnsureSpace ensure_space(assembler_);
+ assembler_->RecordRelocInfo(RelocInfo::POSITION, current_position_);
+ written_position_ = current_position_;
+ written = true;
+ }
+
+ current_position_recording_type_ = NORMAL_POSITION;
+
+ // Return whether something was written.
+ return written;
+}
+
+
} } // namespace v8::internal