IDEA: created a infrastructure for saving any compiler settings.

Added "generate no warnings" to Settings.

compiler/cli/cli-common/src/org/jetbrains/jet/cli/common/arguments/CommonArgumentConstants.java

@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-2013 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.jet.cli.common.arguments;
+
+public interface CommonArgumentConstants {
+    String SUPPRESS_WARNINGS = "warnings";
+}

compiler/cli/cli-common/src/org/jetbrains/jet/cli/common/arguments/CommonCompilerArguments.java

@@ -18,7 +18,11 @@ package org.jetbrains.jet.cli.common.arguments;
 
 import com.sampullara.cli.Argument;
 
+import static org.jetbrains.jet.cli.common.arguments.CommonArgumentConstants.SUPPRESS_WARNINGS;
+
 public abstract class CommonCompilerArguments extends CompilerArguments {
+    public static final CommonCompilerArguments DUMMY = new DummyImpl();
+
     @Argument(value = "tags", description = "Demarcate each compilation message (error, warning, etc) with an open and close tag")
     public boolean tags;
     @Argument(value = "verbose", description = "Enable verbose logging output")
@@ -60,6 +64,14 @@ public abstract class CommonCompilerArguments extends CompilerArguments {
 
     @Override
     public boolean suppressAllWarnings() {
-        return "warnings".equalsIgnoreCase(suppress);
+        return SUPPRESS_WARNINGS.equalsIgnoreCase(suppress);
+    }
+
+    // Used only for serialize and deserialize settings. Don't use in other places!
+    public static final class DummyImpl extends CommonCompilerArguments {
+        @Override
+        public String getSrc() {
+            return null;
+        }
     }
 }

compiler/cli/cli-common/src/org/jetbrains/jet/cli/common/arguments/K2JSCompilerArguments.java

@@ -19,6 +19,9 @@ package org.jetbrains.jet.cli.common.arguments;
 import com.sampullara.cli.Argument;
 import org.jetbrains.annotations.Nullable;
 
+import static org.jetbrains.jet.cli.common.arguments.K2JsArgumentConstants.CALL;
+import static org.jetbrains.jet.cli.common.arguments.K2JsArgumentConstants.NO_CALL;
+
 /**
  * NOTE: for now K2JSCompiler supports only minimal amount of parameters required to launch it from the plugin.
  */
@@ -39,7 +42,8 @@ public class K2JSCompilerArguments extends CommonCompilerArguments {
     public String target;
 
     @Nullable
-    @Argument(value = "main", description = "Whether a main function should be called; either 'call' or 'noCall', default 'call' (main function will be auto detected)")
+    @Argument(value = "main", description = "Whether a main function should be called; either '" + CALL +
+                                            "' or '" + NO_CALL + "', default '" + CALL + "' (main function will be auto detected)")
     public String main;
 
     @Override

compiler/cli/cli-common/src/org/jetbrains/jet/cli/common/arguments/K2JsArgumentConstants.java

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2010-2013 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.jet.cli.common.arguments;
+
+public interface K2JsArgumentConstants {
+    String CALL = "call";
+    String NO_CALL = "noCall";
+}

compiler/cli/src/org/jetbrains/jet/cli/js/K2JSCompiler.java

@@ -32,6 +32,7 @@ import org.jetbrains.jet.analyzer.AnalyzeExhaust;
 import org.jetbrains.jet.cli.common.CLICompiler;
 import org.jetbrains.jet.cli.common.ExitCode;
 import org.jetbrains.jet.cli.common.arguments.K2JSCompilerArguments;
+import org.jetbrains.jet.cli.common.arguments.K2JsArgumentConstants;
 import org.jetbrains.jet.cli.common.messages.AnalyzerWithCompilerReport;
 import org.jetbrains.jet.cli.common.messages.CompilerMessageLocation;
 import org.jetbrains.jet.cli.common.messages.CompilerMessageSeverity;
@@ -170,7 +171,7 @@ public class K2JSCompiler extends CLICompiler<K2JSCompilerArguments> {
     }
 
     public static MainCallParameters createMainCallParameters(String main) {
-        if ("noCall".equals(main)) {
+        if (K2JsArgumentConstants.NO_CALL.equals(main)) {
             return MainCallParameters.noCall();
         }
         else {