Fix issue

teavm-classlib/src/main/java/org/teavm/classlib/java/lang/TThread.java

@@ -15,7 +15,6 @@
  */
 package org.teavm.classlib.java.lang;
 
-import org.teavm.dom.browser.TimerHandler;
 import org.teavm.dom.browser.Window;
 import org.teavm.javascript.spi.Async;
 import org.teavm.jso.JS;
@@ -167,5 +166,4 @@ public class TThread extends TObject implements TRunnable {
     public final int getPriority(){
         return this.priority;
     }
-
 }

teavm-core/src/main/java/org/teavm/cache/AstIO.java

@@ -314,19 +314,10 @@ public class AstIO {
             }
         }
 
-        @Override
-        public void visit(SaveStatement statement) {
-            try {
-                output.writeByte(18);
-            } catch (IOException e) {
-                throw new IOExceptionWrapper(e);
-            }
-        }
-
         @Override
         public void visit(MonitorEnterStatement statement) {
             try {
-                output.writeByte(19);
+                output.writeByte(18);
                 writeExpr(statement.getObjectRef());
             } catch (IOException e) {
                 throw new IOExceptionWrapper(e);
@@ -336,7 +327,7 @@ public class AstIO {
         @Override
         public void visit(MonitorExitStatement statement) {
             try {
-                output.writeByte(20);
+                output.writeByte(19);
                 writeExpr(statement.getObjectRef());
             } catch (IOException e) {
                 throw new IOExceptionWrapper(e);

teavm-core/src/main/java/org/teavm/cache/DiskRegularMethodNodeCache.java

@@ -262,10 +262,6 @@ public class DiskRegularMethodNodeCache implements RegularMethodNodeCache {
         public void visit(GotoPartStatement statement) {
         }
 
-        @Override
-        public void visit(SaveStatement statement) {
-        }
-
         @Override
         public void visit(MonitorEnterStatement statement) {
 

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

@@ -117,10 +117,6 @@ class BreakToContinueReplacer implements StatementVisitor {
     public void visit(GotoPartStatement statement) {
     }
 
-    @Override
-    public void visit(SaveStatement statement) {
-    }
-
     @Override
     public void visit(MonitorEnterStatement statement) {
     }

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

@@ -112,10 +112,6 @@ class CertainBlockCountVisitor implements StatementVisitor {
     public void visit(GotoPartStatement statement) {
     }
 
-    @Override
-    public void visit(SaveStatement statement) {
-    }
-
     @Override
     public void visit(MonitorEnterStatement statement) {
     }

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

@@ -22,8 +22,6 @@ import org.teavm.javascript.spi.GeneratedBy;
 import org.teavm.javascript.spi.Generator;
 import org.teavm.javascript.spi.InjectedBy;
 import org.teavm.model.*;
-import org.teavm.model.instructions.InvokeInstruction;
-import org.teavm.model.instructions.MonitorEnterInstruction;
 import org.teavm.model.util.AsyncProgramSplitter;
 import org.teavm.model.util.ProgramUtils;
 
@@ -264,7 +262,7 @@ public class Decompiler {
         generator.indexer = indexer;
         parentNode = codeTree.getRoot();
         currentNode = parentNode.getFirstChild();
-        boolean saved = !async;
+        generator.async = async;
         for (int i = 0; i < this.graph.size(); ++i) {
             Block block = stack.peek();
             while (block.end == i) {
@@ -311,10 +309,6 @@ public class Decompiler {
                         generator.setCurrentLocation(nodeLocation);
                     }
                     insn.acceptVisitor(generator);
-                    if (!saved && (insn instanceof InvokeInstruction || insn instanceof MonitorEnterInstruction)) {
-                        generator.statements.add(new SaveStatement());
-                        saved = true;
-                    }
                 }
                 if (targetBlocks[node] >= 0) {
                     GotoPartStatement stmt = new GotoPartStatement();

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

@@ -191,10 +191,6 @@ public class NameFrequencyEstimator implements StatementVisitor, ExprVisitor, Me
     public void visit(GotoPartStatement statement) {
     }
 
-    @Override
-    public void visit(SaveStatement statement) {
-    }
-
     @Override
     public void visit(MonitorEnterStatement statement) {
         if (async) {

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

@@ -619,11 +619,6 @@ class OptimizingVisitor implements StatementVisitor, ExprVisitor {
         resultStmt = statement;
     }
 
-    @Override
-    public void visit(SaveStatement statement) {
-        resultStmt = statement;
-    }
-
     @Override
     public void visit(MonitorEnterStatement statement) {
         statement.getObjectRef().acceptVisitor(this);

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

@@ -122,10 +122,6 @@ class RedundantLabelEliminator implements StatementVisitor {
     public void visit(GotoPartStatement statement) {
     }
 
-    @Override
-    public void visit(SaveStatement statement) {
-    }
-
     @Override
     public void visit(MonitorEnterStatement statement) {
     }

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

@@ -116,10 +116,6 @@ class ReferenceCountingVisitor implements StatementVisitor {
     public void visit(GotoPartStatement statement) {
     }
 
-    @Override
-    public void visit(SaveStatement statement) {
-    }
-
     @Override
     public void visit(MonitorEnterStatement statement) {
     }

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

@@ -686,6 +686,7 @@ public class Renderer implements ExprVisitor, StatementVisitor, RenderingContext
                     variableNames.add("$je");
                 }
                 variableNames.add("$ptr");
+                variableNames.add("$tmp");
                 if (!variableNames.isEmpty()) {
                     writer.append("var ");
                     for (int i = 0; i < variableNames.size(); ++i) {
@@ -817,9 +818,13 @@ public class Renderer implements ExprVisitor, StatementVisitor, RenderingContext
             }
             prevCallSite = debugEmitter.emitCallSite();
             if (statement.getLeftValue() != null) {
+                if (statement.isAsync()) {
+                    writer.append("$tmp");
+                } else {
                     priority = Priority.COMMA;
                     associativity = Associativity.NONE;
                     statement.getLeftValue().acceptVisitor(this);
+                }
                 writer.ws().append("=").ws();
             }
             priority = Priority.COMMA;
@@ -827,6 +832,15 @@ public class Renderer implements ExprVisitor, StatementVisitor, RenderingContext
             statement.getRightValue().acceptVisitor(this);
             debugEmitter.emitCallSite();
             writer.append(";").softNewLine();
+            if (statement.isAsync()) {
+                emitSuspendChecker();
+                if (statement.getLeftValue() != null) {
+                    priority = Priority.COMMA;
+                    associativity = Associativity.NONE;
+                    statement.getLeftValue().acceptVisitor(this);
+                    writer.ws().append("=").ws().append("$tmp;").softNewLine();
+                }
+            }
             if (statement.getLocation() != null) {
                 popLocation();
             }
@@ -1974,17 +1988,6 @@ public class Renderer implements ExprVisitor, StatementVisitor, RenderingContext
         }
     }
 
-    @Override
-    public void visit(SaveStatement statement) {
-        try {
-            writer.append("if").ws().append("($rt_suspending())").ws().append("{").indent().softNewLine();
-            writer.append("return $save();").softNewLine();
-            writer.outdent().append("}").softNewLine();
-        } catch (IOException ex){
-            throw new RenderingException("IO error occured", ex);
-        }
-    }
-
     @Override
     public void visit(MonitorEnterStatement statement) {
         try {
@@ -1994,6 +1997,7 @@ public class Renderer implements ExprVisitor, StatementVisitor, RenderingContext
                 writer.appendMethodBody(monitorEnterRef).append("(");
                 statement.getObjectRef().acceptVisitor(this);
                 writer.append(");").softNewLine();
+                emitSuspendChecker();
             } else {
                 MethodReference monitorEnterRef = new MethodReference(
                         Object.class, "monitorEnterSync", Object.class, void.class);
@@ -2006,6 +2010,12 @@ public class Renderer implements ExprVisitor, StatementVisitor, RenderingContext
         }
     }
 
+    private void emitSuspendChecker() throws IOException {
+        writer.append("if").ws().append("($rt_suspending())").ws().append("{").indent().softNewLine();
+        writer.append("return $save();").softNewLine();
+        writer.outdent().append("}").softNewLine();
+    }
+
     @Override
     public void visit(MonitorExitStatement statement) {
         try {

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

@@ -37,6 +37,7 @@ class StatementGenerator implements InstructionVisitor {
     Program program;
     ClassHolderSource classSource;
     private NodeLocation currentLocation;
+    boolean async;
 
     public void setCurrentLocation(NodeLocation currentLocation) {
         this.currentLocation = currentLocation;
@@ -549,13 +550,17 @@ class StatementGenerator implements InstructionVisitor {
         } else {
             invocationExpr = Expr.invokeStatic(insn.getMethod(), exprArgs);
         }
+        AssignmentStatement stmt;
         if (insn.getReceiver() != null) {
-            assign(invocationExpr, insn.getReceiver());
+            stmt = Statement.assign(Expr.var(insn.getReceiver().getIndex()), invocationExpr);
+            stmt.getDebugNames().addAll(insn.getReceiver().getDebugNames());
         } else {
-            AssignmentStatement stmt = Statement.assign(null, invocationExpr);
+            stmt = Statement.assign(null, invocationExpr);
-            stmt.setLocation(currentLocation);
-            statements.add(stmt);
         }
+        stmt.setLocation(currentLocation);
+        stmt.setAsync(async);
+        async = false;
+        statements.add(stmt);
     }
 
     @Override
@@ -656,6 +661,7 @@ class StatementGenerator implements InstructionVisitor {
         MonitorEnterStatement stmt = new MonitorEnterStatement();
         stmt.setLocation(currentLocation);
         stmt.setObjectRef(Expr.var(insn.getObjectRef().getIndex()));
+        async = false;
         statements.add(stmt);
     }
 

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

@@ -115,10 +115,6 @@ class TryCatchFinder implements StatementVisitor {
     public void visit(GotoPartStatement statement) {
     }
 
-    @Override
-    public void visit(SaveStatement statement) {
-    }
-
     @Override
     public void visit(MonitorEnterStatement statement) {
     }

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

@@ -229,10 +229,6 @@ class UnusedVariableEliminator implements ExprVisitor, StatementVisitor {
     public void visit(GotoPartStatement statement) {
     }
 
-    @Override
-    public void visit(SaveStatement statement) {
-    }
-
     @Override
     public void visit(MonitorEnterStatement statement) {
         statement.getObjectRef().acceptVisitor(this);

teavm-core/src/main/java/org/teavm/javascript/ast/AssignmentStatement.java

@@ -27,6 +27,7 @@ public class AssignmentStatement extends Statement {
     private Expr rightValue;
     private NodeLocation location;
     private Set<String> debugNames = new HashSet<>();
+    private boolean async;
 
     public Expr getLeftValue() {
         return leftValue;
@@ -56,6 +57,14 @@ public class AssignmentStatement extends Statement {
         return debugNames;
     }
 
+    public boolean isAsync() {
+        return async;
+    }
+
+    public void setAsync(boolean async) {
+        this.async = async;
+    }
+
     @Override
     public void acceptVisitor(StatementVisitor visitor) {
         visitor.visit(this);

teavm-core/src/main/java/org/teavm/javascript/ast/RenamingVisitor.java

@@ -196,10 +196,6 @@ public class RenamingVisitor implements StatementVisitor, ExprVisitor {
     public void visit(GotoPartStatement statement) {
     }
 
-    @Override
-    public void visit(SaveStatement statement) {
-    }
-
     @Override
     public void visit(MonitorEnterStatement statement) {
     }

teavm-core/src/main/java/org/teavm/javascript/ast/SaveStatement.java

@@ -1,27 +0,0 @@
-/*
- *  Copyright 2015 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.ast;
-
-/**
- *
- * @author Alexey Andreev
- */
-public class SaveStatement extends Statement {
-    @Override
-    public void acceptVisitor(StatementVisitor visitor) {
-        visitor.visit(this);
-    }
-}

teavm-core/src/main/java/org/teavm/javascript/ast/StatementVisitor.java

@@ -49,6 +49,4 @@ public interface StatementVisitor {
     void visit(MonitorEnterStatement statement);
 
     void visit(MonitorExitStatement statement);
-
-    void visit(SaveStatement statement);
 }

teavm-platform/src/main/java/org/teavm/platform/plugin/PlatformGenerator.java

@@ -69,7 +69,7 @@ public class PlatformGenerator implements Generator, Injector, DependencyPlugin
     public void generate(GeneratorContext context, SourceWriter writer, MethodReference methodRef) throws IOException {
         switch (methodRef.getName()) {
             case "newInstanceImpl":
-                generateNewInstance(writer);
+                generateNewInstance(context, writer);
                 break;
             case "prepareNewInstance":
                 generatePrepareNewInstance(context, writer);
@@ -100,7 +100,7 @@ public class PlatformGenerator implements Generator, Injector, DependencyPlugin
             MethodReader method = cls.getMethod(new MethodDescriptor("<init>", void.class));
             if (method != null) {
                 writer.appendClass(clsName).append("[c]").ws().append("=").ws()
-                        .appendMethodBody(method.getReference()).append(")").append(";").softNewLine();
+                        .appendMethodBody(method.getReference()).append(";").softNewLine();
             }
         }
         writer.appendMethodBody(Platform.class, "newInstance", PlatformClass.class, Object.class).ws().append('=').ws()
@@ -108,17 +108,19 @@ public class PlatformGenerator implements Generator, Injector, DependencyPlugin
                 .append(";").softNewLine();
     }
 
-    private void generateNewInstance(SourceWriter writer) throws IOException {
+    private void generateNewInstance(GeneratorContext context, SourceWriter writer) throws IOException {
         writer.append("if").ws().append("($rt_resuming())").ws().append("{").indent().softNewLine();
         writer.append("return $rt_nativeThread().pop();").softNewLine();
         writer.outdent().append("}").softNewLine();
 
-        writer.append("if").ws().append("(!cls.hasOwnProperty('$$constructor$$'))").ws().append("{")
+        String cls = context.getParameterName(1);
-                .indent().softNewLine();
+        writer.append("if").ws().append("(!").append(cls).append(".hasOwnProperty('$$constructor$$'))")
+                .ws().append("{").indent().softNewLine();
         writer.append("return null;").softNewLine();
         writer.outdent().append("}").softNewLine();
 
-        writer.append("var $r").ws().append('=').ws().append("cls.$$constructor$$();");
+        writer.append("var $r").ws().append('=').ws().append("new ").append(cls).append("();").softNewLine();
+        writer.append(cls).append(".$$constructor$$($r);").softNewLine();
         writer.append("if").ws().append("($rt_suspending())").ws().append("{").indent().softNewLine();
         writer.append("return $rt_nativeThread().push($r);").softNewLine();
         writer.outdent().append("}").softNewLine();