Turn off code generation in dartc by default, soon to be static analysis only

compiler/java/com/google/dart/compiler/CommandLineOptions.java

Index: compiler/java/com/google/dart/compiler/CommandLineOptions.java
diff --git a/compiler/java/com/google/dart/compiler/CommandLineOptions.java b/compiler/java/com/google/dart/compiler/CommandLineOptions.java
index 9afea27b3133a7721116a14da185816023ffcd77..9edc2a728070aa43c418da0030d97cc8420ee58c 100644
--- a/compiler/java/com/google/dart/compiler/CommandLineOptions.java
+++ b/compiler/java/com/google/dart/compiler/CommandLineOptions.java
@@ -35,9 +35,9 @@ public class CommandLineOptions {
         usage = "Batch mode (for unit testing)")
     private boolean batch = false;
 
-    @Option(name = "--check-only", aliases = { "-check-only" },
-        usage = "Do not generate output, only analyze")
-    private boolean checkOnly = false;
+    @Option(name = "--deprecated-generate-code",
+        usage = "Use deprecated code generation.\n Will be removed 1 March 2012.")
+    private boolean deprecatedGenerateCode = false;
 
     @Option(name = "--expose_core_impl", usage = "Automatic import of dart:coreimpl library")
     private boolean exposeCoreImpl = false;
@@ -61,13 +61,13 @@ public class CommandLineOptions {
     @Option(name = "--generate_source_maps",
         usage = "Generate source maps")
     private boolean generateSourceMaps = false;
-    
+
     @Option(name = "--dump_ast_format",
         usage = "Dump parse tree. Supported formats include console, text or dot")
     private String dumpAST = "";
-    
+
     @Option(name = "--coverage_type",
-        usage = "Add instrumentation probes for collecting coverage. " + 
+        usage = "Add instrumentation probes for collecting coverage. " +
             "Supported types include function, statement, branch and all")
     private String coverage = "";
 
@@ -150,7 +150,8 @@ public class CommandLineOptions {
      * Returns whether the option -check-only is provided.
      */
     public boolean checkOnly() {
-      return checkOnly;
+      return !deprecatedGenerateCode &&
+          getIsolateStubClasses().isEmpty();
     }
 
     /**
@@ -222,11 +223,11 @@ public class CommandLineOptions {
     public boolean generateHumanReadableOutput() {
       return generateHumanReadableOutput;
     }
-    
+
     public String dumpAST(){
       return dumpAST;
     }
-    
+
     public String getCoverageType(){
       return coverage;
     }