package com.jpexs.decompiler.flash;
import com.jpexs.decompiler.flash.action.Action;
import com.jpexs.decompiler.flash.action.parser.ActionParseException;
import com.jpexs.decompiler.flash.action.parser.script.ActionScript2Parser;
import com.jpexs.decompiler.flash.configuration.Configuration;
import com.jpexs.decompiler.flash.exporters.modes.ScriptExportMode;
import com.jpexs.decompiler.flash.helpers.CodeFormatting;
import com.jpexs.decompiler.flash.helpers.HighlightedTextWriter;
import com.jpexs.decompiler.flash.tags.DoActionTag;
import com.jpexs.decompiler.flash.tags.base.ASMSource;
import com.jpexs.decompiler.graph.CompilationException;
import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.testng.Assert;
import static org.testng.Assert.fail;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
/**
*
* @author JPEXS
*/
public class ActionScript2CompilerTest extends ActionScript2TestBase {
@BeforeClass
public void init() throws IOException, InterruptedException {
//Main.initLogging(false);
Configuration.autoDeobfuscate.set(false);
Configuration.simplifyExpressions.set(false);
Configuration.decompile.set(true);
Configuration.registerNameFormat.set("_loc%d_");
swf = new SWF(new BufferedInputStream(new FileInputStream("testdata/as2/as2.swf")), false);
}
private void testCompilation(String sourceAsToCompile, String expectedPCode) {
try {
SWF swf = new SWF();
ASMSource asm = new DoActionTag(swf);
ActionScript2Parser par = new ActionScript2Parser(swf.version);
try {
asm.setActions(par.actionsFromString(sourceAsToCompile));
} catch (ActionParseException | CompilationException ex) {
fail("Unable to parse: " + sourceAsToCompile + "/" + asm.toString(), ex);
}
asm.setActionBytes(Action.actionsToBytes(asm.getActions(), true, swf.version));
HighlightedTextWriter writer = new HighlightedTextWriter(new CodeFormatting(), false);
asm.getASMSource(ScriptExportMode.PCODE, writer, null);
String actualResult = normalizeLabels(writer.toString());
actualResult = cleanPCode(actualResult);
String expectedResult = cleanPCode(expectedPCode);
Assert.assertEquals(actualResult, expectedResult);
} catch (IOException | InterruptedException ex) {
fail();
}
}
private String normalizeLabels(String actions) {
int labelCnt = 1;
while (true) {
Pattern pattern = Pattern.compile("^([a-z][0-9a-z]+):", Pattern.MULTILINE);
Matcher matcher = pattern.matcher(actions);
if (matcher.find()) {
String str = matcher.group(1);
actions = actions.replaceAll(str, "label_" + labelCnt++);
} else {
break;
}
}
return actions;
}
@Test
public void variableInInnerFuncMustNotBeStoredInRegister() {
testCompilation("function outfunc() {\n"
+ " var v1 = function (){\n"
+ " var a = 1;\n"
+ " var v3 = 2;\n"
+ " \n"
+ " var v4 = function (){\n"
+ " var v5 = a + 3;\n"
+ " }\n"
+ " }\n"
+ "}", "ConstantPool \"v1\" \"a\"\n"
+ "DefineFunction \"outfunc\" 0 {\n"
+ "Push \"v1\"\n"
+ "DefineFunction2 \"\" 0 3 false false true false true false true false false {\n"
+ "Push \"a\" 1\n"
+ "DefineLocal\n" //critical
+ "Push 2\n"
+ "StoreRegister 1\n"
+ "Pop\n"
+ "DefineFunction2 \"\" 0 2 false false true false true false true false false {\n"
+ "Push \"a\"\n"
+ "GetVariable\n"
+ "Push 3\n"
+ "Add2\n"
+ "StoreRegister 1\n"
+ "Pop\n"
+ "}\n"
+ "StoreRegister 2\n"
+ "Pop\n"
+ "}\n"
+ "DefineLocal\n"
+ "}");
}
@Test
public void parameterInInnerFuncMustNotBeStoredInRegister() {
testCompilation("function outfunc() {\n"
+ " var g = function (a,p2){\n"
+ " var v1 = a + 1 + p2;\n"
+ " \n"
+ " var f = function (){\n"
+ " var v2 = a + 2;\n"
+ " }\n"
+ " }\n"
+ "}", "ConstantPool \"g\" \"a\"\n"
+ "DefineFunction \"outfunc\" 0 {\n"
+ "Push \"g\"\n"
+ "DefineFunction2 \"\" 2 4 false false true false true false true false false 0 \"a\" 1 \"p2\" {\n"
+ "Push \"a\"\n"
+ "GetVariable\n" //critical
+ "Push 1\n"
+ "Add2\n"
+ "Push register1\n"
+ "Add2\n"
+ "StoreRegister 2\n"
+ "Pop\n"
+ "DefineFunction2 \"\" 0 2 false false true false true false true false false {\n"
+ "Push \"a\"\n"
+ "GetVariable\n"
+ "Push 2\n"
+ "Add2\n"
+ "StoreRegister 1\n"
+ "Pop\n"
+ "}\n"
+ "StoreRegister 3\n"
+ "Pop\n"
+ "}\n"
+ "DefineLocal\n"
+ "}");
}
}