forked from JavaTX/JavaCompilerCore
273 lines
7.8 KiB
Java
Executable File
273 lines
7.8 KiB
Java
Executable File
// ino.module.Block.8625.package
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package de.dhbwstuttgart.syntaxtree.statement;
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// ino.end
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// ino.module.Block.8625.import
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import java.util.Enumeration;
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import java.util.Hashtable;
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import java.util.Iterator;
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import org.apache.bcel.Constants;
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import org.apache.bcel.generic.ClassGen;
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import org.apache.bcel.generic.ConstantPoolGen;
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import org.apache.bcel.generic.InstructionFactory;
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import org.apache.bcel.generic.InstructionHandle;
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import org.apache.bcel.generic.InstructionList;
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import org.apache.bcel.generic.MethodGen;
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import de.dhbwstuttgart.typeinference.Menge;
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import de.dhbwstuttgart.logger.Logger;
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import de.dhbwstuttgart.logger.Section;
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import de.dhbwstuttgart.myexception.CTypeReconstructionException;
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import de.dhbwstuttgart.myexception.JVMCodeException;
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import de.dhbwstuttgart.myexception.SCExcept;
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import de.dhbwstuttgart.myexception.SCStatementException;
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import de.dhbwstuttgart.syntaxtree.Class;
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import de.dhbwstuttgart.syntaxtree.Field;
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import de.dhbwstuttgart.syntaxtree.SyntaxTreeNode;
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import de.dhbwstuttgart.syntaxtree.type.GenericTypeVar;
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import de.dhbwstuttgart.syntaxtree.type.Type;
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import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
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import de.dhbwstuttgart.syntaxtree.type.Void;
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import de.dhbwstuttgart.typeinference.ConstraintsSet;
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import de.dhbwstuttgart.typeinference.JavaCodeResult;
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import de.dhbwstuttgart.typeinference.ResultSet;
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import de.dhbwstuttgart.typeinference.SingleConstraint;
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import de.dhbwstuttgart.typeinference.assumptions.TypeAssumptions;
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import de.dhbwstuttgart.typeinference.exceptions.NotImplementedException;
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import de.dhbwstuttgart.typeinference.exceptions.TypeinferenceException;
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import de.dhbwstuttgart.typeinference.unify.CSubstitutionSet;
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// ino.class.Block.25037.declaration
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public class Block extends Statement
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// ino.end
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// ino.class.Block.25037.body
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{
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private InstructionFactory _factory;
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private ConstantPoolGen _cp;
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private ClassGen _cg;
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// ino.method.Block.25041.definition
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public Block()
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// ino.end
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// ino.method.Block.25041.body
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{
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super(-1,-1);
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}
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// ino.end
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// ino.attribute.parserlog.25044.declaration
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protected static Logger parserlog = Logger.getLogger("parser");
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// ino.end
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// ino.attribute.statements.25047.declaration
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public Menge<Statement> statements = new Menge<Statement>();
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// ino.end
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//private String sc_meth_ret_type;
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// ino.attribute.inferencelog.25059.decldescription type=javadoc
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/**
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* Logger: log4j
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*/
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// ino.end
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// ino.attribute.inferencelog.25059.declaration
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protected static Logger inferencelog = Logger.getLogger("inference");
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// ino.end
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protected static Logger typinferenceLog = Logger.getLogger("Typeinference");
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// ino.method.get_Statement.25065.definition
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public Menge<Statement> get_Statement()
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// ino.end
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// ino.method.get_Statement.25065.body
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{
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return statements;
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}
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// ino.end
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// ino.method.set_Statement.25068.definition
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public void set_Statement(Statement s)
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// ino.end
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// ino.method.set_Statement.25068.body
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{
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statements.addElement(s);
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}
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// ino.end
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// ino.method.set_Statement_Menge.25071.definition
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public void set_Statement_Menge(Menge<Statement> v)
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// ino.end
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// ino.method.set_Statement_Menge.25071.body
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{
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statements = v;
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}
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// ino.end
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/////////////////////////////////////////////////////////////////////////
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// TypeReconstructionAlgorithmus
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/////////////////////////////////////////////////////////////////////////
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// ino.method.toString.25083.defdescription type=javadoc
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/**
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* <br/>Author: Martin Pl�micke
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* @return
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*/
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// ino.end
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// ino.method.toString.25083.definition
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public String toString()
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// ino.end
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// ino.method.toString.25083.body
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{
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return this.type + " { " + statements.toString();
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}
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// ino.end
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// ino.method.wandleRefTypeAttributes2GenericAttributes.25086.defdescription type=javadoc
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/**
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* In allen lokalen Variablendeklarationen die "falschen" RefTypes ersetzen
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* @param paralist
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* @param genericMethodParameters
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*/
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// ino.end
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// ino.method.wandleRefTypeAttributes2GenericAttributes.25086.definition
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public void wandleRefTypeAttributes2GenericAttributes(Menge<Type> paralist, Menge<GenericTypeVar> genericMethodParameters)
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// ino.end
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// ino.method.wandleRefTypeAttributes2GenericAttributes.25086.body
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{
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if(statements==null)
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return;
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for(int i=0;i<statements.size();i++){
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statements.elementAt(i).wandleRefTypeAttributes2GenericAttributes(paralist,genericMethodParameters);
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}
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}
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// ino.end
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@Override
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public ConstraintsSet TYPEStmt(TypeAssumptions assumptions) {
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ConstraintsSet ret = new ConstraintsSet();
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if(statements.size()==0)this.setType(new Void(this,0));
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/* this.setTypeVariable(TypePlaceholder.fresh(this)); */
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for(Statement stmt : statements){
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typinferenceLog.debug("Prozessing statement: "+stmt, Section.TYPEINFERENCE);
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ret.add(stmt.TYPEStmt(assumptions));
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/* if((stmt instanceof Return)){
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ret.add(new Constraint(stmt.getTypeVariable(), this.getTypeVariable()));//TODO: Dies nochmal prüfen.
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}
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*/
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}
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if(statements.size()>0){
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Statement stmt = statements.elementAt(statements.size()-1);
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typinferenceLog.debug("Prozessing statement: "+stmt, Section.TYPEINFERENCE);
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this.setType(stmt.getType());
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for(int i= statements.size()-2; i >= 0; i--) {
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stmt = statements.elementAt(i);
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typinferenceLog.debug("Prozessing statement: "+stmt, Section.TYPEINFERENCE);
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if (!(stmt.getReturnType() instanceof Void))
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if (this.getReturnType() instanceof Void) {
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//this.setTypeVariable(stmt.getTypeVariable());
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throw new TypeinferenceException("Block besitzt falschen Rückgabetyp (fehlendes return-stmt)", this);
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}
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else {
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TypePlaceholder tph = TypePlaceholder.fresh(this);
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ret.add(new SingleConstraint(this.getType().TYPE(assumptions, this), tph));
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ret.add(new SingleConstraint(stmt.getType().TYPE(assumptions, this), tph));
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this.setType(tph);
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}
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}
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}else{
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this.setType(new Void(this,0));
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}
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return ret;
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}
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/*
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@Override
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public ConstraintsSet TYPEStmt(TypeAssumptions assumptions) {
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ConstraintsSet ret = new ConstraintsSet();
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if(this.getTypeVariable()==null)this.setTypeVariable(TypePlaceholder.fresh(this));
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for(Statement stmt : statements){
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typinferenceLog.debug("Prozessing statement: "+stmt);
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ret.add(stmt.TYPEStmt(assumptions));
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if((stmt instanceof Return)){
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ret.add(new Constraint(stmt.getTypeVariable(), this.getTypeVariable()));//TODO: Dies nochmal prüfen.
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}
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}
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return ret;
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}
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*/
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@Override
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public String getTypeInformation(){
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String ret = "\n";
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for(Statement s : this.get_Statement()){
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ret += s.getTypeInformation()+"\n";
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}
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return ret;
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}
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public int getTypeLineNumber() {
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throw new NotImplementedException();
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}
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public JavaCodeResult printJavaCode(ResultSet resultSet) {
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JavaCodeResult ret = new JavaCodeResult().attach("{\n");
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for(Statement stmt : this.get_Statement()){
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ret.attach(stmt.printJavaCode(resultSet));
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ret.attach((stmt instanceof ExprStmt ? ";" : "") + "\n");
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}
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return ret.attach("}");
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}
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@Override
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public Menge<SyntaxTreeNode> getChildren() {
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Menge<SyntaxTreeNode> ret = new Menge<SyntaxTreeNode>();
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for(Statement st : this.get_Statement()){
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ret.add(st);
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}
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return ret;
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}
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@Override
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public String getDescription(){
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return "Block";
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}
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@Override
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public InstructionList genByteCode(ClassGen cg) {
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//ConstantPoolGen _cp = cg.getConstantPool();
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InstructionList il = new InstructionList();
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for(Statement stmt : this.get_Statement()){
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il.append(stmt.genByteCode(cg));
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}
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//il.dispose();
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return il;
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}
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}
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// ino.end
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