/*
* Copyright (C) 2009-2011 Mathias Doenitz
*
* 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 com.github.fge.grappa.transform.process;
import com.google.common.collect.ImmutableList;
import com.github.fge.grappa.transform.generate.ActionClassGenerator;
import com.github.fge.grappa.transform.base.InstructionGroup;
import com.github.fge.grappa.transform.base.RuleMethod;
import com.github.fge.grappa.transform.TestParser;
import com.github.fge.grappa.transform.generate.VarInitClassGenerator;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
import java.io.IOException;
import java.util.List;
import static com.github.fge.grappa.transform.AsmTestUtils.getClassDump;
import static org.testng.Assert.assertEquals;
public class ActionClassGeneratorTest extends TransformationTest {
private final List<RuleMethodProcessor> processors = ImmutableList.of(
new UnusedLabelsRemover(),
new ReturnInstructionUnifier(),
new InstructionGraphCreator(),
new ImplicitActionsConverter(),
new InstructionGroupCreator(),
new InstructionGroupPreparer(),
new ActionClassGenerator(true),
new VarInitClassGenerator(true)
);
@BeforeClass
public void setup() throws IOException {
setup(TestParser.class);
}
@Test
public void testActionClassGeneration() throws Exception {
final RuleMethod method = processMethod("RuleWithComplexActionSetup", processors);
assertEquals(method.getGroups().size(), 3);
InstructionGroup group = method.getGroups().get(0);
assertEquals(getClassDump(group.getGroupClassCode())
.replaceAll("(?<=\\$)[A-Za-z0-9]{16}", "XXXXXXXXXXXXXXXX"), "" +
"// class version 52.0 (52)\n" +
"// access flags 0x1011\n" +
"public final synthetic class com/github/fge/grappa/transform/VarInit$XXXXXXXXXXXXXXXX extends com/github/fge/grappa/transform/runtime/BaseVarInit {\n" +
"\n" +
"\n" +
" // access flags 0x1\n" +
" public <init>(Ljava/lang/String;)V\n" +
" ALOAD 0\n" +
" ALOAD 1\n" +
" INVOKESPECIAL com/github/fge/grappa/transform/runtime/BaseVarInit.<init> (Ljava/lang/String;)V\n" +
" RETURN\n" +
" MAXSTACK = 2\n" +
" MAXLOCALS = 2\n" +
"\n" +
" // access flags 0x1\n" +
" public get()Ljava/lang/Object;\n" +
" LDC \"text\"\n" +
" ARETURN\n" +
" MAXSTACK = 1\n" +
" MAXLOCALS = 1\n" +
"}\n");
group = method.getGroups().get(1);
assertEquals(getClassDump(group.getGroupClassCode())
.replaceAll("(?<=\\$)[A-Za-z0-9]{16}", "XXXXXXXXXXXXXXXX"), "" +
"// class version 52.0 (52)\n" +
"// access flags 0x1011\n" +
"public final synthetic class com/github/fge/grappa/transform/Action$XXXXXXXXXXXXXXXX extends com/github/fge/grappa/transform/runtime/BaseAction {\n" +
"\n" +
"\n" +
" // access flags 0x1001\n" +
" public synthetic I field$0\n" +
"\n" +
" // access flags 0x1001\n" +
" public synthetic I field$1\n" +
"\n" +
" // access flags 0x1001\n" +
" public synthetic I field$2\n" +
"\n" +
" // access flags 0x1\n" +
" public <init>(Ljava/lang/String;)V\n" +
" ALOAD 0\n" +
" ALOAD 1\n" +
" INVOKESPECIAL com/github/fge/grappa/transform/runtime/BaseAction.<init> (Ljava/lang/String;)V\n" +
" RETURN\n" +
" MAXSTACK = 2\n" +
" MAXLOCALS = 2\n" +
"\n" +
" // access flags 0x1\n" +
" public run(Lcom/github/fge/grappa/run/context/Context;)Z\n" +
" ALOAD 0\n" +
" GETFIELD com/github/fge/grappa/transform/Action$XXXXXXXXXXXXXXXX.field$0 : I\n" +
" ALOAD 0\n" +
" GETFIELD com/github/fge/grappa/transform/Action$XXXXXXXXXXXXXXXX.field$1 : I\n" +
" ALOAD 0\n" +
" GETFIELD com/github/fge/grappa/transform/Action$XXXXXXXXXXXXXXXX.field$2 : I\n" +
" IADD\n" +
" IF_ICMPLE L0\n" +
" ICONST_1\n" +
" GOTO L1\n" +
" L0\n" +
" FRAME SAME\n" +
" ICONST_0\n" +
" L1\n" +
" FRAME SAME1 I\n" +
" IRETURN\n" +
" MAXSTACK = 3\n" +
" MAXLOCALS = 2\n" +
"}\n");
group = method.getGroups().get(2);
assertEquals(getClassDump(group.getGroupClassCode())
.replaceAll("(?<=\\$)[A-Za-z0-9]{16}", "XXXXXXXXXXXXXXXX"), "" +
"// class version 52.0 (52)\n" +
"// access flags 0x1011\n" +
"public final synthetic class com/github/fge/grappa/transform/Action$XXXXXXXXXXXXXXXX extends com/github/fge/grappa/transform/runtime/BaseAction {\n" +
"\n" +
"\n" +
" // access flags 0x1001\n" +
" public synthetic Lcom/github/fge/grappa/transform/TestParser$$grappa; field$0\n" +
"\n" +
" // access flags 0x1001\n" +
" public synthetic I field$1\n" +
"\n" +
" // access flags 0x1001\n" +
" public synthetic Lcom/github/fge/grappa/support/Var; field$2\n" +
"\n" +
" // access flags 0x1001\n" +
" public synthetic I field$3\n" +
"\n" +
" // access flags 0x1001\n" +
" public synthetic I field$4\n" +
"\n" +
" // access flags 0x1\n" +
" public <init>(Ljava/lang/String;)V\n" +
" ALOAD 0\n" +
" ALOAD 1\n" +
" INVOKESPECIAL com/github/fge/grappa/transform/runtime/BaseAction.<init> (Ljava/lang/String;)V\n" +
" RETURN\n" +
" MAXSTACK = 2\n" +
" MAXLOCALS = 2\n" +
"\n" +
" // access flags 0x1\n" +
" public run(Lcom/github/fge/grappa/run/context/Context;)Z\n" +
" ALOAD 0\n" +
" GETFIELD com/github/fge/grappa/transform/Action$XXXXXXXXXXXXXXXX.field$0 : Lcom/github/fge/grappa/transform/TestParser$$grappa;\n" +
" GETFIELD com/github/fge/grappa/transform/TestParser.integer : I\n" +
" ALOAD 0\n" +
" GETFIELD com/github/fge/grappa/transform/Action$XXXXXXXXXXXXXXXX.field$1 : I\n" +
" IADD\n" +
" ALOAD 0\n" +
" GETFIELD com/github/fge/grappa/transform/Action$XXXXXXXXXXXXXXXX.field$2 : Lcom/github/fge/grappa/support/Var;\n" +
" INVOKEVIRTUAL com/github/fge/grappa/support/Var.get ()Ljava/lang/Object;\n" +
" CHECKCAST java/lang/String\n" +
" INVOKEVIRTUAL java/lang/String.length ()I\n" +
" ALOAD 0\n" +
" GETFIELD com/github/fge/grappa/transform/Action$XXXXXXXXXXXXXXXX.field$3 : I\n" +
" ISUB\n" +
" ALOAD 0\n" +
" GETFIELD com/github/fge/grappa/transform/Action$XXXXXXXXXXXXXXXX.field$4 : I\n" +
" ISUB\n" +
" IF_ICMPGE L0\n" +
" ICONST_1\n" +
" GOTO L1\n" +
" L0\n" +
" FRAME SAME\n" +
" ICONST_0\n" +
" L1\n" +
" FRAME SAME1 I\n" +
" IRETURN\n" +
" MAXSTACK = 3\n" +
" MAXLOCALS = 2\n" +
"}\n");
}
}