external build: support -proceedOnError option for Eclipse compiler

java/compiler/impl/src/com/intellij/compiler/impl/CompileDriver.java

@@ -650,7 +650,7 @@ public class CompileDriver {
       new CompilerTask(myProject, compileInBackground, contentName, ApplicationManager.getApplication().isUnitTestMode());
 
     StatusBar.Info.set("", myProject, "Compiler");
-    if (useOutOfProcessBuild() && BuildManager.getInstance().rescanRequired(myProject)) {
+    if (useExtProcessBuild && BuildManager.getInstance().rescanRequired(myProject)) {
       // ensure the project model seen by build process is up-to-date
       myProject.save();
     }

jps/jps-builders/src/org/jetbrains/jps/incremental/CompileContext.java

@@ -50,6 +50,7 @@ public class CompileContext extends UserDataHolderBase implements MessageHandler
   private float myDone = -1.0f;
   private EventDispatcher<BuildListener> myListeners = EventDispatcher.create(BuildListener.class);
   private Map<Module, AnnotationProcessingProfile> myAnnotationProcessingProfileMap;
+  private boolean myIsProceedOnErrors = false;
 
   public CompileContext(CompileScope scope,
                         ProjectDescriptor pd, boolean isMake,
@@ -82,6 +83,14 @@ public class CompileContext extends UserDataHolderBase implements MessageHandler
     return myProjectPaths;
   }
 
+  public boolean isProceedOnErrors() {
+    return myIsProceedOnErrors;
+  }
+
+  public void setProceedOnErrors(boolean isProceedOnErrors) {
+    myIsProceedOnErrors = isProceedOnErrors;
+  }
+
   public boolean isMake() {
     return myIsMake;
   }

jps/jps-builders/src/org/jetbrains/jps/incremental/java/JavaBuilder.java

@@ -38,8 +38,7 @@ import org.jetbrains.jps.incremental.storage.BuildDataManager;
 import org.jetbrains.jps.incremental.storage.SourceToFormMapping;
 import org.jetbrains.jps.javac.*;
 
-import javax.tools.Diagnostic;
-import javax.tools.JavaFileObject;
+import javax.tools.*;
 import java.io.*;
 import java.net.MalformedURLException;
 import java.net.ServerSocket;
@@ -344,7 +343,7 @@ public class JavaBuilder extends ModuleLevelBuilder {
         if (!compiledOk && diagnosticSink.getErrorCount() == 0) {
           diagnosticSink.report(new PlainMessageDiagnostic(Diagnostic.Kind.ERROR, "Compilation failed: internal java compiler error"));
         }
-        if (diagnosticSink.getErrorCount() > 0) {
+        if (!context.isProceedOnErrors() && diagnosticSink.getErrorCount() > 0) {
           if (!compiledOk) {
             diagnosticSink.report(new PlainMessageDiagnostic(Diagnostic.Kind.OTHER, "Errors occurred while compiling module '" + chunkName + "'"));
           }
@@ -771,7 +770,8 @@ public class JavaBuilder extends ModuleLevelBuilder {
     //options.add("-verbose");
     final Project project = context.getProject();
     final CompilerConfiguration compilerConfig = project.getCompilerConfiguration();
-    final Map<String, String> opts = useEclipseCompiler(context)? compilerConfig.getEclipseOptions() : compilerConfig.getJavacOptions();
+    final boolean useEclipseCompiler = useEclipseCompiler(context);
+    final Map<String, String> opts = useEclipseCompiler ? compilerConfig.getEclipseOptions() : compilerConfig.getJavacOptions();
     final boolean debugInfo = !"false".equals(opts.get("DEBUGGING_INFO"));
     final boolean nowarn = "true".equals(opts.get("GENERATE_NO_WARNINGS"));
     final boolean deprecation = !"false".equals(opts.get("DEPRECATION"));
@@ -808,6 +808,15 @@ public class JavaBuilder extends ModuleLevelBuilder {
       }
     }
 
+    if (useEclipseCompiler) {
+      for (String option : options) {
+        if (option.startsWith("-proceedOnError")) {
+          context.setProceedOnErrors(true);
+          break;
+        }
+      }
+    }
+
     JAVAC_OPTIONS.set(context, options);
     JAVAC_VM_OPTIONS.set(context, vmOptions);
   }