Adds AST caching

teavm-classlib/pom.xml

@@ -72,6 +72,7 @@
             <phase>process-test-classes</phase>
             <configuration>
               <minifying>false</minifying>
+              <incremental>true</incremental>
               <numThreads>1</numThreads>
               <properties>
                 <java.util.Locale.available>en, en_US, en_GB, ru, ru_RU</java.util.Locale.available>

teavm-core/src/main/java/org/teavm/javascript/Decompiler.java

@@ -44,12 +44,21 @@ public class Decompiler {
     private RangeTree.Node parentNode;
     private Map<MethodReference, Generator> generators = new HashMap<>();
     private Set<MethodReference> methodsToPass = new HashSet<>();
+    private RegularMethodNodeCache regularMethodCache;
 
     public Decompiler(ClassHolderSource classSource, ClassLoader classLoader) {
         this.classSource = classSource;
         this.classLoader = classLoader;
     }
 
+    public RegularMethodNodeCache getRegularMethodCache() {
+        return regularMethodCache;
+    }
+
+    public void setRegularMethodCache(RegularMethodNodeCache regularMethodCache) {
+        this.regularMethodCache = regularMethodCache;
+    }
+
     public int getGraphSize() {
         return this.graph.size();
     }
@@ -165,6 +174,18 @@ public class Decompiler {
     }
 
     public RegularMethodNode decompileRegular(MethodHolder method) {
+        if (regularMethodCache == null) {
+            return decompileRegularCacheMiss(method);
+        }
+        RegularMethodNode node = regularMethodCache.get(method.getReference());
+        if (node == null) {
+            node = decompileRegularCacheMiss(method);
+            regularMethodCache.store(method.getReference(), node);
+        }
+        return node;
+    }
+
+    public RegularMethodNode decompileRegularCacheMiss(MethodHolder method) {
         lastBlockId = 1;
         graph = ProgramUtils.buildControlFlowGraph(method.getProgram());
         indexer = new GraphIndexer(graph);

teavm-core/src/main/java/org/teavm/javascript/EmptyRegularMethodNodeCache.java

@@ -0,0 +1,34 @@
+/*
+ *  Copyright 2014 Alexey Andreev.
+ *
+ *  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.teavm.javascript;
+
+import org.teavm.javascript.ast.RegularMethodNode;
+import org.teavm.model.MethodReference;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+public class EmptyRegularMethodNodeCache implements RegularMethodNodeCache {
+    @Override
+    public RegularMethodNode get(MethodReference methodReference) {
+        return null;
+    }
+
+    @Override
+    public void store(MethodReference methodReference, RegularMethodNode node) {
+    }
+}

teavm-core/src/main/java/org/teavm/javascript/InMemoryRegularMethodNodeCache.java

@@ -0,0 +1,39 @@
+/*
+ *  Copyright 2014 Alexey Andreev.
+ *
+ *  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.teavm.javascript;
+
+import java.util.HashMap;
+import java.util.Map;
+import org.teavm.javascript.ast.RegularMethodNode;
+import org.teavm.model.MethodReference;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+public class InMemoryRegularMethodNodeCache implements RegularMethodNodeCache {
+    private Map<MethodReference, RegularMethodNode> cache = new HashMap<>();
+
+    @Override
+    public RegularMethodNode get(MethodReference methodReference) {
+        return cache.get(methodReference);
+    }
+
+    @Override
+    public void store(MethodReference methodReference, RegularMethodNode node) {
+        cache.put(methodReference, node);
+    }
+}

teavm-core/src/main/java/org/teavm/javascript/RegularMethodNodeCache.java

@@ -0,0 +1,29 @@
+/*
+ *  Copyright 2014 Alexey Andreev.
+ *
+ *  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.teavm.javascript;
+
+import org.teavm.javascript.ast.RegularMethodNode;
+import org.teavm.model.MethodReference;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+public interface RegularMethodNodeCache {
+    RegularMethodNode get(MethodReference methodReference);
+
+    void store(MethodReference methodReference, RegularMethodNode node);
+}

teavm-core/src/main/java/org/teavm/tooling/TeaVMTestTool.java

@@ -21,6 +21,9 @@ import org.apache.commons.io.IOUtils;
 import org.teavm.common.FiniteExecutor;
 import org.teavm.common.SimpleFiniteExecutor;
 import org.teavm.common.ThreadPoolFiniteExecutor;
+import org.teavm.javascript.EmptyRegularMethodNodeCache;
+import org.teavm.javascript.InMemoryRegularMethodNodeCache;
+import org.teavm.javascript.RegularMethodNodeCache;
 import org.teavm.model.*;
 import org.teavm.parsing.ClasspathClassHolderSource;
 import org.teavm.testing.JUnitTestAdapter;
@@ -48,6 +51,8 @@ public class TeaVMTestTool {
     private List<String> testClasses = new ArrayList<>();
     private ClassLoader classLoader = TeaVMTestTool.class.getClassLoader();
     private TeaVMToolLog log = new EmptyTeaVMToolLog();
+    private boolean incremental;
+    private RegularMethodNodeCache astCache;
 
     public File getOutputDir() {
         return outputDir;
@@ -113,6 +118,14 @@ public class TeaVMTestTool {
         this.log = log;
     }
 
+    public boolean isIncremental() {
+        return incremental;
+    }
+
+    public void setIncremental(boolean incremental) {
+        this.incremental = incremental;
+    }
+
     public void generate() throws TeaVMToolException {
         Runnable finalizer = null;
         try {
@@ -131,7 +144,8 @@ public class TeaVMTestTool {
             resourceToFile(prefix + "/res/toggle-small-expand.png", "res/toggle-small-expand.png");
             resourceToFile(prefix + "/res/toggle-small.png", "res/toggle-small.png");
             resourceToFile(prefix + "/junit.html", "junit.html");
-            final ClassHolderSource classSource = new ClasspathClassHolderSource(classLoader);
+            final ClassHolderSource classSource = new PreOptimizingClassHolderSource(
+                    new ClasspathClassHolderSource(classLoader));
             for (String testClass : testClasses) {
                 ClassHolder classHolder = classSource.get(testClass);
                 if (classHolder == null) {
@@ -141,6 +155,10 @@ public class TeaVMTestTool {
             }
 
             includeAdditionalScripts(classLoader);
+            astCache = new EmptyRegularMethodNodeCache();
+            if (incremental) {
+                astCache = new InMemoryRegularMethodNodeCache();
+            }
             File allTestsFile = new File(outputDir, "tests/all.js");
             try (Writer allTestsWriter = new OutputStreamWriter(new FileOutputStream(allTestsFile), "UTF-8")) {
                 allTestsWriter.write("prepare = function() {\n");
@@ -280,6 +298,8 @@ public class TeaVMTestTool {
                 .setClassLoader(classLoader)
                 .setClassSource(classSource)
                 .build();
+        vm.setIncremental(incremental);
+        vm.setAstCache(astCache);
         vm.setProperties(properties);
         vm.setMinifying(minifying);
         vm.installPlugins();

teavm-core/src/main/java/org/teavm/vm/TeaVM.java

@@ -22,9 +22,7 @@ import org.teavm.common.ServiceRepository;
 import org.teavm.debugging.information.DebugInformationEmitter;
 import org.teavm.debugging.information.SourceLocation;
 import org.teavm.dependency.*;
-import org.teavm.javascript.Decompiler;
+import org.teavm.javascript.*;
-import org.teavm.javascript.Renderer;
-import org.teavm.javascript.RenderingException;
 import org.teavm.javascript.ast.ClassNode;
 import org.teavm.javascript.ni.Generator;
 import org.teavm.javascript.ni.Injector;
@@ -82,6 +80,8 @@ public class TeaVM implements TeaVMHost, ServiceRepository {
     private Map<Class<?>, Object> services = new HashMap<>();
     private Properties properties = new Properties();
     private DebugInformationEmitter debugEmitter;
+    private RegularMethodNodeCache astCache = new EmptyRegularMethodNodeCache();
+    private boolean incremental;
 
     TeaVM(ClassReaderSource classSource, ClassLoader classLoader) {
         this.classSource = classSource;
@@ -164,6 +164,22 @@ public class TeaVM implements TeaVMHost, ServiceRepository {
         return new Properties(properties);
     }
 
+    public RegularMethodNodeCache getAstCache() {
+        return astCache;
+    }
+
+    public void setAstCache(RegularMethodNodeCache methodAstCache) {
+        this.astCache = methodAstCache;
+    }
+
+    public boolean isIncremental() {
+        return incremental;
+    }
+
+    public void setIncremental(boolean incremental) {
+        this.incremental = incremental;
+    }
+
     /**
      * <p>Adds an entry point. TeaVM guarantees, that all methods that are required by the entry point
      * will be available at run-time in browser. Also you need to specify for each parameter of entry point
@@ -314,7 +330,9 @@ public class TeaVM implements TeaVMHost, ServiceRepository {
         ListableClassHolderSource classSet = linker.link(dependencyChecker);
 
         // Optimize and allocate registers
-        devirtualize(classSet, dependencyChecker);
+        if (!incremental) {
+            devirtualize(classSet, dependencyChecker);
+        }
         ClassSetOptimizer optimizer = new ClassSetOptimizer();
         optimizer.optimizeAll(classSet);
         allocateRegisters(classSet);
@@ -328,6 +346,7 @@ public class TeaVM implements TeaVMHost, ServiceRepository {
 
         // Decompile
         Decompiler decompiler = new Decompiler(classSet, classLoader);
+        decompiler.setRegularMethodCache(incremental ? astCache : null);
         for (Map.Entry<MethodReference, Generator> entry : methodGenerators.entrySet()) {
             decompiler.addGenerator(entry.getKey(), entry.getValue());
         }

teavm-maven-plugin/src/main/java/org/teavm/maven/BuildJavascriptTestMojo.java

@@ -89,6 +89,9 @@ public class BuildJavascriptTestMojo extends AbstractMojo {
     @Parameter
     private Properties properties;
 
+    @Parameter
+    private boolean incremental;
+
     private TeaVMTestTool tool = new TeaVMTestTool();
 
     public void setProject(MavenProject project) {
@@ -135,6 +138,10 @@ public class BuildJavascriptTestMojo extends AbstractMojo {
         this.properties = properties;
     }
 
+    public void setIncremental(boolean incremental) {
+        this.incremental = incremental;
+    }
+
     @Override
     public void execute() throws MojoExecutionException, MojoFailureException {
         if (System.getProperty("maven.test.skip", "false").equals("true") ||