JavaTX/JavaCompilerCore
2
0
Fork 3
Code Issues 94 Pull Requests Actions Packages Projects Releases Wiki Activity

GenCode: FloatLit implementiert, aufgrund von Typeinferenz-Problemen

Browse Source 
nicht testbar.
This commit is contained in:
Fütterling, Franziska (WWI2012D) 2015-06-25 16:12:18 +02:00
parent ea2aa91761
commit 5f6525db19
4 changed files with 69 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
src/de/dhbwstuttgart/syntaxtree/statement/Assign.java
View File

@ -9,6 +9,7 @@ import java.util.Iterator;
import org.apache.bcel.generic.ASTORE;
import org.apache.bcel.generic.ClassGen;
import org.apache.bcel.generic.DSTORE;
import org.apache.bcel.generic.FSTORE;
import org.apache.bcel.generic.ISTORE;
import org.apache.bcel.generic.InstructionFactory;
import org.apache.bcel.generic.InstructionList;
@ -180,12 +181,11 @@ public class Assign extends Expr
// TODO Auto-generated method stub
InstructionFactory _factory = new InstructionFactory(cg, cg.getConstantPool());
InstructionList il = expr2.genByteCode(cg);//expr2 rechte expr
counterAssign++;
//il.append(new ISTORE(counterAssign)); //macht ISTORE für meherere Variable nutzbar (nicht nur ISTORE_1, ISTORE_2, etc.)
//Anpassung für Variablen außerhalb von int = ISTORE nötig?
counterAssign++; //macht STORE für meherere Variable nutzbar (nicht nur ISTORE_1, ISTORE_2, etc.)
String expr2Type = expr2.getType().get_Name().toString();
switch(expr2Type){//welche rückgabewerte entstehen hier??? Integer und String scheinen nicht zu stimmen
switch(expr2Type){
case "java.lang.Integer":
il.append(new ISTORE(counterAssign));
break;
@ -198,6 +198,9 @@ public class Assign extends Expr
il.append(new DSTORE(counterAssign));
break;
case "java.lang.Float":
il.append(new FSTORE(counterAssign));
break;
}
return il;

13
src/de/dhbwstuttgart/syntaxtree/statement/FloatLiteral.java
View File

@ -5,6 +5,10 @@ package de.dhbwstuttgart.syntaxtree.statement;
import java.util.Hashtable;
import org.apache.bcel.generic.ClassGen;
import org.apache.bcel.generic.ConstantPoolGen;
import org.apache.bcel.generic.InstructionList;
import org.apache.bcel.generic.LDC;
import org.apache.bcel.generic.LDC2_W;
import de.dhbwstuttgart.typeinference.Menge;
import de.dhbwstuttgart.logger.Logger;
@ -128,9 +132,14 @@ public JavaCodeResult printJavaCode(ResultSet resultSet) {
}
@Override
public void genByteCode(ClassGen _cg) {
// TODO Auto-generated method stub
public InstructionList genByteCode(ClassGen cg) {
ConstantPoolGen cp = cg.getConstantPool();
InstructionList il = new InstructionList();
cp.addFloat(get_Float());
il.append(new LDC(cp.getSize()-1));
return il;
}
}
// ino.end

6
test/bytecode/FloatLiteral.jav Normal file
View File

@ -0,0 +1,6 @@
class FloatLiteral{
void method() {f; f = 20.0f;}
}

45
test/bytecode/FloatLiteral.java Normal file
View File

@ -0,0 +1,45 @@
package bytecode;
import static org.junit.Assert.*;
import java.io.File;
import java.io.IOException;
import junit.framework.TestCase;
import org.junit.Test;
import plugindevelopment.TypeInsertTester;
import de.dhbwstuttgart.core.MyCompiler;
import de.dhbwstuttgart.core.MyCompilerAPI;
import de.dhbwstuttgart.logger.LoggerConfiguration;
import de.dhbwstuttgart.logger.Section;
import de.dhbwstuttgart.parser.JavaParser.yyException;
import de.dhbwstuttgart.typeinference.ByteCodeResult;
import de.dhbwstuttgart.typeinference.Menge;
import de.dhbwstuttgart.typeinference.TypeinferenceResultSet;
import de.dhbwstuttgart.typeinference.typedeployment.TypeInsertSet;
public class FloatLiteral {
public final static String rootDirectory = System.getProperty("user.dir")+"/test/bytecode/";
public final static String testFile = "FloatLiteral.jav";
public final static String outputFile = "FloatLiteral.class";
@Test
public void test() {
LoggerConfiguration logConfig = new LoggerConfiguration().setOutput(Section.PARSER, System.out);
MyCompilerAPI compiler = MyCompiler.getAPI(logConfig);
try {
compiler.parse(new File(rootDirectory + testFile));
compiler.typeReconstruction();
ByteCodeResult bytecode = compiler.generateBytecode();
System.out.println(bytecode);
bytecode.getByteCode().getJavaClass().dump(new File(rootDirectory + outputFile));
} catch (IOException | yyException e) {
e.printStackTrace();
TestCase.fail();
}
}
}