Implement part directive

runtime/vm/parser.cc

Index: runtime/vm/parser.cc
===================================================================
--- runtime/vm/parser.cc	(revision 12811)
+++ runtime/vm/parser.cc	(working copy)
@@ -4271,7 +4271,18 @@
 
 
 void Parser::ParseLibraryPart() {
-  ErrorMsg("library part definitions not implemented");
+  const intptr_t source_pos = TokenPos();
+  ConsumeToken();

[regis, 2012/09/24 23:10:27]

What token are you consuming?
ASSERT(CurrentToken() == ...)?

[hausner, 2012/09/24 23:18:36]

I added a comment instead of an assert. I think we have too many asserts that
collectively bloat the debug build.

On 2012/09/24 23:10:27, regis wrote:

+  if (CurrentToken() != Token::kSTRING) {
+    ErrorMsg("url expected");
+  }
+  const String& url = *CurrentLiteral();
+  ConsumeToken();
+  ExpectSemicolon();
+  Dart_Handle handle =
+      CallLibraryTagHandler(kCanonicalizeUrl, source_pos, url);
+  const String& canon_url = String::CheckedHandle(Api::UnwrapHandle(handle));
+  CallLibraryTagHandler(kSourceTag, source_pos, canon_url);
 }