Merge branch 'html4j-convert'

This commit is contained in:
konsoletyper 2014-02-17 17:05:31 +04:00
commit fa1f8f1c6e
10 changed files with 224 additions and 17 deletions

View File

@ -25,7 +25,6 @@ import org.teavm.model.MethodReference;
* @author Alexey Andreev
*/
public class StringNativeGenerator implements Injector {
@Override
public void generate(InjectorContext context, MethodReference methodRef) throws IOException {
switch (methodRef.getName()) {

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@ -123,7 +123,7 @@ public class TInteger extends TNumber implements TComparable<TInteger> {
if (integerCache == null) {
integerCache = new TInteger[256];
for (int j = 0; j < integerCache.length; ++j) {
integerCache[j - 128] = new TInteger(j);
integerCache[j] = new TInteger(j - 128);
}
}
}

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@ -57,9 +57,10 @@ public class DefaultNamingStrategy implements NamingStrategy {
@Override
public String getNameFor(MethodReference method) {
MethodReference origMethod = method;
method = getRealMethod(method);
if (method == null) {
throw new NamingException("Can't provide name for method as it was not found: " + method);
throw new NamingException("Can't provide name for method as it was not found: " + origMethod);
}
ClassHolder clsHolder = classSource.get(method.getClassName());
MethodHolder methodHolder = clsHolder.getMethod(method.getDescriptor());

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@ -43,6 +43,10 @@ $rt_createArray = function(cls, sz) {
}
return arr;
}
$rt_wrapArray = function(cls, data) {
var arr = new ($rt_arraycls(cls))(data);
return arr;
}
$rt_createUnfilledArray = function(cls, sz) {
return new ($rt_arraycls(cls))(new Array(sz));
}

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@ -0,0 +1,33 @@
/*
* 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.html4j;
import org.teavm.javascript.ni.GeneratedBy;
/**
*
* @author Alexey Andreev <konsoletyper@gmail.com>
*/
public final class JavaScriptBodyConverter {
private JavaScriptBodyConverter() {
}
@GeneratedBy(JavaScriptBodyConverterGenerator.class)
public static native Object toJavaScript(Object obj);
@GeneratedBy(JavaScriptBodyConverterGenerator.class)
public static native Object fromJavaScript(Object obj);
}

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@ -0,0 +1,105 @@
/*
* 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.html4j;
import java.io.IOException;
import org.teavm.codegen.SourceWriter;
import org.teavm.javascript.ni.Generator;
import org.teavm.javascript.ni.GeneratorContext;
import org.teavm.model.*;
/**
*
* @author Alexey Andreev <konsoletyper@gmail.com>
*/
public class JavaScriptBodyConverterGenerator implements Generator {
private static final String convCls = JavaScriptBodyConverter.class.getName();
static final MethodReference intValueMethod = new MethodReference("java.lang.Integer",
new MethodDescriptor("intValue", ValueType.INTEGER));
private static final ValueType objType = ValueType.object("java.lang.Object");
static final MethodReference toJsMethod = new MethodReference(convCls, new MethodDescriptor(
"toJavaScript", objType, objType));
static final MethodReference fromJsMethod = new MethodReference(convCls, new MethodDescriptor(
"fromJavaScript", objType, objType));
@Override
public void generate(GeneratorContext context, SourceWriter writer, MethodReference methodRef) throws IOException {
switch (methodRef.getName()) {
case "toJavaScript":
generateToJavaScript(context, writer);
break;
case "fromJavaScript":
generateFromJavaScript(context, writer);
break;
}
}
private void generateToJavaScript(GeneratorContext context, SourceWriter writer) throws IOException {
String obj = context.getParameterName(1);
writer.append("if (" + obj + " === null) {").softNewLine().indent();
writer.append("return null;").softNewLine();
writer.outdent().append("} else if (" + obj + ".constructor.$meta.item) {").indent().softNewLine();
writer.append("var arr = new Array(" + obj + ".data.length);").softNewLine();
writer.append("for (var i = 0; i < arr.length; ++i) {").indent().softNewLine();
writer.append("arr[i] = ").appendMethodBody(toJsMethod).append("(" + obj + ".data[i]);").softNewLine();
writer.outdent().append("}").softNewLine();
writer.append("return arr;").softNewLine();
writer.outdent().append("}");
writer.append(" else if (" + obj + ".constructor === ").appendClass("java.lang.String")
.append(") {").indent().softNewLine();
generateStringToJavaScript(context, writer);
writer.outdent().append("} else if (" + obj + ".constructor === ").appendClass("java.lang.Integer")
.append(") {").indent().softNewLine();
writer.append("return ").appendMethodBody(intValueMethod).append("(" + obj + ");").softNewLine();
writer.outdent().append("}");
writer.append(" else {").indent().softNewLine();
writer.append("return " + obj + ";").softNewLine();
writer.outdent().append("}").softNewLine();
}
private void generateFromJavaScript(GeneratorContext context, SourceWriter writer) throws IOException {
String obj = context.getParameterName(1);
writer.append("if (" + obj +" === null || " + obj + " === undefined)").ws().append("{")
.softNewLine().indent();
writer.append("return null;").softNewLine();
writer.outdent().append("} else if (" + obj + " instanceof Array) {").indent().softNewLine();
writer.append("var arr = $rt_createArray($rt_objcls(), " + obj + ".length);").softNewLine();
writer.append("for (var i = 0; i < arr.data.length; ++i) {").indent().softNewLine();
writer.append("arr.data[i] = ").appendMethodBody(fromJsMethod).append("(" + obj + "[i]);")
.softNewLine();
writer.outdent().append("}").softNewLine();
writer.append("return arr;").softNewLine();
writer.outdent().append("}");
writer.append(" else if (" + obj + ".constructor === ").appendClass("java.lang.String")
.append(") {").indent().softNewLine();
writer.append("return $rt_str(" + obj + ");").softNewLine();
writer.outdent().append("}");
writer.ws().append("else").ws().append("{").indent().softNewLine();
writer.append("return ").append(obj).append(";").softNewLine();
writer.outdent().append("}").softNewLine();
}
private void generateStringToJavaScript(GeneratorContext context, SourceWriter writer) throws IOException {
FieldReference charsField = new FieldReference("java.lang.String", "characters");
writer.append("var result = \"\";").softNewLine();
writer.append("var data = ").append(context.getParameterName(1)).append('.')
.appendField(charsField).append(".data;").softNewLine();
writer.append("for (var i = 0; i < data.length; i = (i + 1) | 0) {").indent().softNewLine();
writer.append("result += String.fromCharCode(data[i]);").softNewLine();
writer.outdent().append("}").softNewLine();
writer.append("return result;").softNewLine();
}
}

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@ -30,8 +30,6 @@ public class JavaScriptBodyDependency implements DependencyListener {
public void started(DependencyChecker dependencyChecker) {
allClassesNode = dependencyChecker.createNode();
allClassesNode.setTag("JavaScriptBody:global");
allClassesNode.getArrayItem().addConsumer(new OneDirectionalConnection(allClassesNode));
allClassesNode.getArrayItem().getArrayItem().addConsumer(new OneDirectionalConnection(allClassesNode));
}
private static class OneDirectionalConnection implements DependencyConsumer {
@ -55,6 +53,7 @@ public class JavaScriptBodyDependency implements DependencyListener {
MethodHolder method = cls.getMethod(methodRef.getDescriptor());
AnnotationReader annot = method.getAnnotations().get(JavaScriptBody.class.getName());
if (annot != null) {
includeDefaultDependencies(dependencyChecker);
AnnotationValue javacall = annot.getValue("javacall");
MethodGraph graph = dependencyChecker.attachMethodGraph(methodRef);
if (graph.getResult() != null) {
@ -76,6 +75,12 @@ public class JavaScriptBodyDependency implements DependencyListener {
}
}
private void includeDefaultDependencies(DependencyChecker dependencyChecker) {
dependencyChecker.attachMethodGraph(JavaScriptBodyConverterGenerator.fromJsMethod);
dependencyChecker.attachMethodGraph(JavaScriptBodyConverterGenerator.toJsMethod);
dependencyChecker.attachMethodGraph(JavaScriptBodyConverterGenerator.intValueMethod);
}
@Override
public void fieldAchieved(DependencyChecker dependencyChecker, FieldReference field) {
}

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@ -41,7 +41,7 @@ public class JavaScriptBodyGenerator implements Generator {
GeneratorJsCallback callbackGen = new GeneratorJsCallback(context.getClassSource(), writer.getNaming());
body = callbackGen.parse(body);
}
writer.append("return (function(");
writer.append("var result = (function(");
for (int i = 0; i < args.size(); ++i) {
if (i > 0) {
writer.append(",").ws();
@ -53,9 +53,30 @@ public class JavaScriptBodyGenerator implements Generator {
writer.outdent().append("}).call(").append(context.getParameterName(0));
for (int i = 0; i < args.size(); ++i) {
writer.append(",").ws();
writer.append(context.getParameterName(i + 1));
wrapParameter(writer, methodRef.getDescriptor().parameterType(i), context.getParameterName(i + 1));
}
writer.append(")").softNewLine();
writer.append("return ");
unwrapValue(writer, method.getResultType(), "result");
writer.append(";").softNewLine();
}
private void wrapParameter(SourceWriter writer, ValueType type, String param) throws IOException {
if (type.isObject("java.lang.Object")) {
writer.appendMethodBody(JavaScriptBodyConverterGenerator.toJsMethod);
writer.append("(").append(param).append(")");
} else {
writer.append(param);
}
}
private void unwrapValue(SourceWriter writer, ValueType type, String param) throws IOException {
if (type.isObject("java.lang.Object")) {
writer.appendMethodBody(JavaScriptBodyConverterGenerator.fromJsMethod);
writer.append("(").append(param).append(")");
} else {
writer.append(param);
}
writer.append(");").softNewLine();
}
private static class GeneratorJsCallback extends JsCallback {

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@ -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.html4j.test;
import static org.junit.Assert.*;
import net.java.html.js.JavaScriptBody;
import org.junit.Test;
/**
*
* @author Alexey Andreev <konsoletyper@gmail.com>
*/
public class JavaScriptBodyConversionTests {
@Test
public void convertsInteger() {
assertEquals(23, returnAsInt(23));
}
@JavaScriptBody(args = { "value" }, body = "return value;")
private native int returnAsInt(Object value);
}

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@ -49,21 +49,17 @@ public class JavaScriptBodyTests {
assertEquals(23, array[0].foo());
}
@Test
public void dependencyPropagatedBackThroughArray() {
A[] first = new A[1];
storeObject(first);
Object[] second = (Object[])retrieveObject();
second[0] = new AImpl();
assertEquals(23, first[0].foo());
}
@Test
public void valuePropagatedToCallback() {
A a = new AImpl();
assertEquals(23, invokeCallback(a));
}
@Test
public void staticCallbackInvoked() {
assertEquals(23, invokeStaticCallback(new AImpl()));
}
private static class AImpl implements A {
@Override public int foo() {
return 23;
@ -90,4 +86,13 @@ public class JavaScriptBodyTests {
"@org.teavm.html4j.test.B::bar(" +
"Lorg/teavm/html4j/test/A;)(_global_)", javacall = true)
private native int invokeCallback(B callback);
public static int staticCallback(A a) {
return a.foo();
}
@JavaScriptBody(args = { "a" }, body = "return " +
"@org.teavm.html4j.test.JavaScriptBodyTests::staticCallback(" +
"Lorg/teavm/html4j/test/A;)(a)", javacall = true)
private native int invokeStaticCallback(A a);
}