Rename Script's source to Source. Trace parser (--trace-parser) only if source is available (thus s…

runtime/vm/object.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/object.h"
 
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/bigint_operations.h"
 #include "vm/bootstrap.h"
@@ skipping 4458 matching lines @@
   }
   return result.raw();
 }
 
 
 const char* TokenStream::ToCString() const {
   return "TokenStream";
 }
 
 
-RawString* Script::source() const {
+bool Script::HasSource() const {
+  return raw_ptr()->source_ != String::null();
+}
+
+
+RawString* Script::Source() const {
   String& source = String::Handle(raw_ptr()->source_);
   if (source.IsNull()) {
     const TokenStream& token_stream = TokenStream::Handle(tokens());
     return token_stream.GenerateSource();
   } else {
     return raw_ptr()->source_;
   }
 }
 
 
@@ skipping 19 matching lines @@
 
 void Script::Tokenize(const String& private_key) const {
   const TokenStream& tkns = TokenStream::Handle(tokens());
   if (!tkns.IsNull()) {
     // Already tokenized.
     return;
   }
 
   // Get the source, scan and allocate the token stream.
   TimerScope timer(FLAG_compiler_stats, &CompilerStats::scanner_timer);
-  const String& src = String::Handle(source());
+  const String& src = String::Handle(Source());
   Scanner scanner(src, private_key);
   set_tokens(TokenStream::Handle(TokenStream::New(scanner.GetStream())));
   if (FLAG_compiler_stats) {
     CompilerStats::src_length += src.Length();
   }
 }
 
 
 void Script::GetTokenLocation(intptr_t token_pos,
                               intptr_t* line,
                               intptr_t* column) const {
-  const String& src = String::Handle(source());
+  const String& src = String::Handle(Source());
   const String& dummy_key = String::Handle(String::New(""));
   Scanner scanner(src, dummy_key);
   scanner.ScanTo(token_pos);
   *line = scanner.CurrentPosition().line;
   *column = scanner.CurrentPosition().column;
 }
 
 
 void Script::TokenRangeAtLine(intptr_t line_number,
                               intptr_t* first_token_index,
                               intptr_t* last_token_index) const {
-  const String& src = String::Handle(source());
+  const String& src = String::Handle(Source());
   const String& dummy_key = String::Handle(String::New(""));
   Scanner scanner(src, dummy_key);
   scanner.TokenRangeAtLine(line_number, first_token_index, last_token_index);
 }
 
 
 RawString* Script::GetLine(intptr_t line_number) const {
-  const String& src = String::Handle(source());
+  const String& src = String::Handle(Source());
   intptr_t current_line = 1;
   intptr_t line_start = -1;
   intptr_t last_char = -1;
   for (intptr_t ix = 0;
        (ix < src.Length()) && (current_line <= line_number);
        ix++) {
     if ((current_line == line_number) && (line_start < 0)) {
       line_start = ix;
     }
     if (src.CharAt(ix) == '\n') {
@@ skipping 12 matching lines @@
     line = String::SubString(src, line_start, last_char - line_start + 1);
   }
   return line.raw();
 }
 
 
 RawString* Script::GetSnippet(intptr_t from_line,
                               intptr_t from_column,
                               intptr_t to_line,
                               intptr_t to_column) const {
-  const String& src = String::Handle(source());
+  const String& src = String::Handle(Source());
   intptr_t length = src.Length();
   intptr_t line = 1;
   intptr_t column = 1;
   intptr_t lookahead = 0;
   intptr_t snippet_start = -1;
   intptr_t snippet_end = -1;
   char c = src.CharAt(lookahead);
   while (lookahead != length) {
     if (snippet_start == -1) {
       if ((line == from_line) && (column == from_column)) {
@@ skipping 5613 matching lines @@
   const String& str = String::Handle(pattern());
   const char* format = "JSRegExp: pattern=%s flags=%s";
   intptr_t len = OS::SNPrint(NULL, 0, format, str.ToCString(), Flags());
   char* chars = reinterpret_cast<char*>(
       Isolate::Current()->current_zone()->Allocate(len + 1));
   OS::SNPrint(chars, (len + 1), format, str.ToCString(), Flags());
   return chars;
 }
 
 }  // namespace dart