Postpone interrupts while compiling regexp code. This avoids

getting artificial stack overflows due to interrupts while
compiling and visiting the AST nodes. Pending interrupts will
be processed once we're done compiling.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4412 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

diff --git a/src/jsregexp.cc b/src/jsregexp.cc
index dfd9ef6..f4d0cc6 100644 (file)
--- a/src/jsregexp.cc
+++ b/src/jsregexp.cc
@@ -122,6 +122,7 @@ Handle<Object> RegExpImpl::Compile(Handle<JSRegExp> re,
   }
   FlattenString(pattern);
   CompilationZoneScope zone_scope(DELETE_ON_EXIT);
+  PostponeInterruptScope postpone;
   RegExpCompileData parse_result;
   FlatStringReader reader(pattern);
   if (!ParseRegExp(&reader, flags.is_multiline(), &parse_result)) {
@@ -247,6 +248,7 @@ bool RegExpImpl::EnsureCompiledIrregexp(Handle<JSRegExp> re, bool is_ascii) {
 bool RegExpImpl::CompileIrregexp(Handle<JSRegExp> re, bool is_ascii) {
   // Compile the RegExp.
   CompilationZoneScope zone_scope(DELETE_ON_EXIT);
+  PostponeInterruptScope postpone;
   Object* entry = re->DataAt(JSRegExp::code_index(is_ascii));
   if (entry->IsJSObject()) {
     // If it's a JSObject, a previous compilation failed and threw this object.