Wasm: fix bugs

core/src/main/java/org/teavm/backend/wasm/WasmTarget.java

@@ -518,7 +518,8 @@ public class WasmTarget implements TeaVMTarget, TeaVMWasmHost {
         for (String className : classes.getClassNames()) {
             ClassHolder cls = classes.get(className);
             for (MethodHolder method : cls.getMethods()) {
-                if (context.getIntrinsic(method.getReference()) != null) {
+                if (method.hasModifier(ElementModifier.ABSTRACT)
+                        || context.getIntrinsic(method.getReference()) != null) {
                     continue;
                 }
                 module.add(generator.generateDefinition(method.getReference()));

core/src/main/java/org/teavm/backend/wasm/generate/CallSiteBinaryGenerator.java

@@ -15,10 +15,11 @@
  */
 package org.teavm.backend.wasm.generate;
 
+import com.carrotsearch.hppc.ObjectIntHashMap;
+import com.carrotsearch.hppc.ObjectIntMap;
 import java.util.ArrayList;
-import java.util.HashMap;
 import java.util.List;
-import java.util.Map;
+import java.util.Objects;
 import org.teavm.backend.wasm.binary.BinaryWriter;
 import org.teavm.backend.wasm.binary.DataPrimitives;
 import org.teavm.backend.wasm.binary.DataStructure;
@@ -29,28 +30,31 @@ import org.teavm.model.lowlevel.CallSiteLocation;
 import org.teavm.model.lowlevel.ExceptionHandlerDescriptor;
 
 public class CallSiteBinaryGenerator {
-    private static final int CALL_SITE_HANDLER_COUNT = 0;
+    private static final int CALL_SITE_FIRST_HANDLER = 0;
-    private static final int CALL_SITE_FIRST_HANDLER = 1;
+    private static final int CALL_SITE_LOCATION = 1;
-    private static final int CALL_SITE_LOCATION = 2;
     private static final int EXCEPTION_HANDLER_ID = 0;
     private static final int EXCEPTION_HANDLER_CLASS = 1;
-    private static final int LOCATION_FILE = 0;
+    private static final int EXCEPTION_HANDLER_NEXT = 2;
-    private static final int LOCATION_CLASS = 1;
+    private static final int LOCATION_METHOD = 0;
-    private static final int LOCATION_METHOD = 2;
+    private static final int LOCATION_LINE = 1;
-    private static final int LOCATION_LINE_NUMBER = 3;
+    private static final int METHOD_LOCATION_FILE = 0;
+    private static final int METHOD_LOCATION_CLASS = 1;
+    private static final int METHOD_LOCATION_METHOD = 2;
 
     private DataStructure callSiteStructure = new DataStructure((byte) 0,
-            DataPrimitives.INT,
             DataPrimitives.ADDRESS,
             DataPrimitives.ADDRESS);
     private DataStructure exceptionHandlerStructure = new DataStructure((byte) 0,
             DataPrimitives.INT,
+            DataPrimitives.ADDRESS,
             DataPrimitives.ADDRESS);
     private DataStructure locationStructure = new DataStructure((byte) 0,
-            DataPrimitives.ADDRESS,
-            DataPrimitives.ADDRESS,
             DataPrimitives.ADDRESS,
             DataPrimitives.INT);
+    private DataStructure methodLocationStructure = new DataStructure((byte) 0,
+            DataPrimitives.ADDRESS,
+            DataPrimitives.ADDRESS,
+            DataPrimitives.ADDRESS);
 
     private BinaryWriter writer;
     private WasmClassGenerator classGenerator;
@@ -78,12 +82,12 @@ public class CallSiteBinaryGenerator {
             binaryCallSites.add(binaryCallSite);
         }
 
-        Map<CallSiteLocation, Integer> locationCache = new HashMap<>();
+        ObjectIntMap<CallSiteLocation> locationCache = new ObjectIntHashMap<>();
+        ObjectIntMap<MethodLocation> methodLocationCache = new ObjectIntHashMap<>();
 
         for (int callSiteId = 0; callSiteId < callSites.size(); ++callSiteId) {
             DataValue binaryCallSite = binaryCallSites.get(callSiteId);
             CallSiteDescriptor callSite = callSites.get(callSiteId);
-            binaryCallSite.setInt(CALL_SITE_HANDLER_COUNT, callSite.getHandlers().size());
 
             boolean firstHandlerSet = false;
             List<DataValue> binaryExceptionHandlers = new ArrayList<>();
@@ -98,6 +102,9 @@ public class CallSiteBinaryGenerator {
                     binaryCallSite.setAddress(CALL_SITE_FIRST_HANDLER, address);
                     firstHandlerSet = true;
                 }
+                if (i > 0) {
+                    binaryExceptionHandlers.get(i - 1).setAddress(EXCEPTION_HANDLER_NEXT, address);
+                }
             }
 
             for (int i = 0; i < callSite.getHandlers().size(); ++i) {
@@ -110,24 +117,70 @@ public class CallSiteBinaryGenerator {
                 }
             }
 
-            int locationAddress = locationCache.computeIfAbsent(callSite.getLocation(), location -> {
+            CallSiteLocation location = callSite.getLocation();
+            int locationAddress = locationCache.getOrDefault(location, -1);
+            if (locationAddress < 0) {
                 DataValue binaryLocation = locationStructure.createValue();
-                int address = writer.append(binaryLocation);
+                locationAddress = writer.append(binaryLocation);
+                locationCache.put(location, locationAddress);
+                MethodLocation methodLocation = new MethodLocation(location.getFileName(), location.getClassName(),
+                        location.getMethodName());
+                int methodLocationAddress = methodLocationCache.getOrDefault(methodLocation, -1);
+                if (methodLocationAddress < 0) {
+                    DataValue binaryMethodLocation = methodLocationStructure.createValue();
+                    methodLocationAddress = writer.append(binaryMethodLocation);
+                    methodLocationCache.put(methodLocation, methodLocationAddress);
                     if (location.getFileName() != null) {
-                    binaryLocation.setAddress(LOCATION_FILE, stringPool.getStringPointer(location.getFileName()));
+                        binaryMethodLocation.setAddress(METHOD_LOCATION_FILE,
+                                stringPool.getStringPointer(location.getFileName()));
                     }
                     if (location.getClassName() != null) {
-                    binaryLocation.setAddress(LOCATION_CLASS, stringPool.getStringPointer(location.getClassName()));
+                        binaryMethodLocation.setAddress(METHOD_LOCATION_CLASS,
+                                stringPool.getStringPointer(location.getClassName()));
                     }
                     if (location.getMethodName() != null) {
-                    binaryLocation.setAddress(LOCATION_METHOD, stringPool.getStringPointer(location.getMethodName()));
+                        binaryMethodLocation.setAddress(METHOD_LOCATION_METHOD,
+                                stringPool.getStringPointer(location.getMethodName()));
+                    }
+                }
+
+                binaryLocation.setAddress(LOCATION_METHOD, methodLocationAddress);
+                binaryLocation.setInt(LOCATION_LINE, location.getLineNumber());
             }
-                binaryLocation.setInt(LOCATION_LINE_NUMBER, location.getLineNumber());
-                return address;
-            });
             binaryCallSite.setAddress(CALL_SITE_LOCATION, locationAddress);
         }
 
         return firstCallSite;
     }
+
+    final static class MethodLocation {
+        final String file;
+        final String className;
+        final String methodName;
+
+        MethodLocation(String file, String className, String methodName) {
+            this.file = file;
+            this.className = className;
+            this.methodName = methodName;
+        }
+
+        @Override
+        public boolean equals(Object o) {
+            if (this == o) {
+                return true;
+            }
+            if (!(o instanceof MethodLocation)) {
+                return false;
+            }
+            MethodLocation that = (MethodLocation) o;
+            return Objects.equals(file, that.file)
+                    && Objects.equals(className, that.className)
+                    && Objects.equals(methodName, that.methodName);
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(file, className, methodName);
+        }
+    }
 }

core/src/main/java/org/teavm/backend/wasm/generate/WasmClassGenerator.java

@@ -76,6 +76,8 @@ public class WasmClassGenerator {
             DataPrimitives.INT, /* isInstance function */
             DataPrimitives.INT, /* init function */
             DataPrimitives.ADDRESS, /* parent */
+            DataPrimitives.INT, /* interface count */
+            DataPrimitives.ADDRESS, /* interfaces */
             DataPrimitives.ADDRESS, /* enum values */
             DataPrimitives.ADDRESS, /* layout */
             DataPrimitives.ADDRESS  /* simple name */);
@@ -92,9 +94,9 @@ public class WasmClassGenerator {
     private static final int CLASS_IS_INSTANCE = 8;
     private static final int CLASS_INIT = 9;
     private static final int CLASS_PARENT = 10;
-    private static final int CLASS_ENUM_VALUES = 11;
+    private static final int CLASS_ENUM_VALUES = 13;
-    private static final int CLASS_LAYOUT = 12;
+    private static final int CLASS_LAYOUT = 14;
-    private static final int CLASS_SIMPLE_NAME = 13;
+    private static final int CLASS_SIMPLE_NAME = 15;
 
     public WasmClassGenerator(ClassReaderSource processedClassSource, ClassReaderSource classSource,
             VirtualTableProvider vtableProvider, TagRegistry tagRegistry, BinaryWriter binaryWriter,
@@ -377,13 +379,13 @@ public class WasmClassGenerator {
     private void fillVirtualTable(VirtualTable vtable, DataValue array) {
         int index = 0;
         List<VirtualTable> tables = new ArrayList<>();
-        while (vtable != null) {
+        VirtualTable vt = vtable;
-            tables.add(vtable);
+        while (vt != null) {
-            vtable = vtable.getParent();
+            tables.add(vt);
+            vt = vt.getParent();
         }
         for (int i = tables.size() - 1; i >= 0; --i) {
-            vtable = tables.get(i);
+            for (MethodDescriptor method : tables.get(i).getMethods()) {
-            for (MethodDescriptor method : vtable.getMethods()) {
                 int methodIndex = -1;
                 if (method != null) {
                     VirtualTableEntry entry = vtable.getEntry(method);

core/src/main/java/org/teavm/backend/wasm/generate/WasmGenerationVisitor.java

@@ -110,10 +110,11 @@ import org.teavm.backend.wasm.render.WasmTypeInference;
 import org.teavm.diagnostics.Diagnostics;
 import org.teavm.interop.Address;
 import org.teavm.model.FieldReference;
+import org.teavm.model.MethodReader;
 import org.teavm.model.MethodReference;
 import org.teavm.model.TextLocation;
 import org.teavm.model.ValueType;
-import org.teavm.model.classes.VirtualTableEntry;
+import org.teavm.model.classes.VirtualTable;
 import org.teavm.runtime.Allocator;
 import org.teavm.runtime.RuntimeArray;
 import org.teavm.runtime.RuntimeClass;
@@ -909,10 +910,12 @@ class WasmGenerationVisitor implements StatementVisitor, ExprVisitor {
         }
 
         if (expr.getType() == InvocationType.STATIC || expr.getType() == InvocationType.SPECIAL) {
-            String methodName = context.names.forMethod(expr.getMethod());
+            MethodReader method = context.getClassSource().resolve(expr.getMethod());
+            MethodReference reference = method != null ? method.getReference() : expr.getMethod();
+            String methodName = context.names.forMethod(reference);
 
             WasmCall call = new WasmCall(methodName);
-            if (context.getImportedMethod(expr.getMethod()) != null) {
+            if (context.getImportedMethod(reference) != null) {
                 call.setImported(true);
             }
             for (Expr argument : expr.getArguments()) {
@@ -942,23 +945,31 @@ class WasmGenerationVisitor implements StatementVisitor, ExprVisitor {
 
             result = block;
         } else {
+            MethodReference reference = expr.getMethod();
             accept(expr.getArguments().get(0));
             WasmExpression instance = result;
             WasmBlock block = new WasmBlock(false);
-            block.setType(WasmGeneratorUtil.mapType(expr.getMethod().getReturnType()));
+            block.setType(WasmGeneratorUtil.mapType(reference.getReturnType()));
 
             WasmLocal instanceVar = getTemporary(WasmType.INT32);
             block.getBody().add(new WasmSetLocal(instanceVar, instance));
             instance = new WasmGetLocal(instanceVar);
 
             int vtableOffset = classGenerator.getClassSize(RuntimeClass.class.getName());
-            VirtualTableEntry vtableEntry = context.getVirtualTableProvider().lookup(expr.getMethod());
+            VirtualTable vtable = context.getVirtualTableProvider().lookup(reference.getClassName());
-            if (vtableEntry == null) {
+            if (vtable != null) {
+                vtable = vtable.findMethodContainer(reference.getDescriptor());
+            }
+            if (vtable == null) {
                 result = new WasmUnreachable();
                 return;
             }
+            int vtableIndex = vtable.getMethods().indexOf(reference.getDescriptor());
+            if (vtable.getParent() != null) {
+                vtableIndex += vtable.getParent().size();
+            }
             WasmExpression methodIndex = new WasmIntBinary(WasmIntType.INT32, WasmIntBinaryOperation.ADD,
-                    getReferenceToClass(instance), new WasmInt32Constant(vtableEntry.getIndex() * 4 + vtableOffset));
+                    getReferenceToClass(instance), new WasmInt32Constant(vtableIndex * 4 + vtableOffset));
             methodIndex = new WasmLoadInt32(4, methodIndex, WasmInt32Subtype.INT32);
 
             WasmIndirectCall call = new WasmIndirectCall(methodIndex);

core/src/main/java/org/teavm/backend/wasm/render/WasmBinaryRenderer.java

@@ -333,13 +333,10 @@ public class WasmBinaryRenderer {
 
         WasmBinaryWriter functionsSubsection = new WasmBinaryWriter();
         Collection<WasmFunction> functions = module.getFunctions().values();
-
+        functions = functions.stream().filter(f -> f.getImportName() != null).collect(Collectors.toList());
         functionsSubsection.writeLEB(functions.size());
 
         for (WasmFunction function : functions) {
-            if (function.getImportName() != null) {
-                continue;
-            }
             functionsSubsection.writeLEB(functionIndexes.get(function.getName()));
             functionsSubsection.writeAsciiString(function.getName());
         }

core/src/main/resources/org/teavm/backend/wasm/wasm-runtime.c

@@ -41,3 +41,12 @@ inline static float reinterpret_int32(int32_t v) {
     reinterpret_union_32.i = v;
     return reinterpret_union_32.f;
 }
+
+static void logOutOfMemory() {
+    abort();
+}
+
+static void logString(int32_t v) {
+}
+static void logInt(int32_t v) {
+}

samples/benchmark/pom.xml

@@ -154,7 +154,6 @@
               <optimizationLevel>FULL</optimizationLevel>
             </configuration>
           </execution>
-          <!--
           <execution>
             <id>wasm-client</id>
             <goals>
@@ -169,7 +168,6 @@
               <heapSize>8</heapSize>
             </configuration>
           </execution>
-          -->
           <execution>
             <id>native-client</id>
             <goals>