2013-10-18 11:33:46 +00:00
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// ino.module.Assign.8622.package
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2014-09-02 08:33:54 +00:00
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package de.dhbwstuttgart.syntaxtree.statement;
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2013-10-18 11:33:46 +00:00
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// ino.end
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// ino.module.Assign.8622.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 java.util.Vector;
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2014-02-09 15:07:31 +00:00
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2014-10-09 10:01:16 +00:00
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import de.dhbwstuttgart.logger.Logger;
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2014-02-09 15:07:31 +00:00
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2014-09-04 14:35:44 +00:00
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import de.dhbwstuttgart.bytecode.ClassFile;
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import de.dhbwstuttgart.bytecode.CodeAttribute;
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import de.dhbwstuttgart.bytecode.JVMCode;
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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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2014-09-05 09:49:31 +00:00
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import de.dhbwstuttgart.parser.JavaClassName;
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2014-09-02 08:33:54 +00:00
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import de.dhbwstuttgart.syntaxtree.Class;
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2014-09-04 14:35:44 +00:00
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import de.dhbwstuttgart.syntaxtree.SyntaxTreeNode;
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2014-09-02 08:33:54 +00:00
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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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2014-09-08 13:12:47 +00:00
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import de.dhbwstuttgart.typeinference.Pair;
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2014-09-02 08:33:54 +00:00
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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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2014-09-02 09:07:16 +00:00
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import de.dhbwstuttgart.typeinference.unify.Unify;
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2013-10-18 11:33:46 +00:00
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// ino.class.Assign.24926.declaration
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public class Assign extends Expr
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// ino.end
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// ino.class.Assign.24926.body
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{
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// ino.method.Assign.24930.definition
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public Assign(int offset,int variableLength)
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// ino.end
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// ino.method.Assign.24930.body
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{
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super(offset,variableLength);
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}
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// ino.end
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// ino.attribute.expr1.24933.declaration
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public Expr expr1;
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// ino.end
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// ino.attribute.expr2.24936.declaration
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public Expr expr2;
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// ino.end
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// ino.attribute.parserlog.24939.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.parserlog.24939.declaration
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protected static Logger parserlog = Logger.getLogger("parser");
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// ino.end
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// ino.method.set_Expr.24942.definition
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public void set_Expr(Expr expr1,Expr expr2)
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// ino.end
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// ino.method.set_Expr.24942.body
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{
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this.expr1 = expr1;
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this.expr2 = expr2;
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}
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// ino.end
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// ino.method.get_Name.24948.definition
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public String get_Name()
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// ino.end
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// ino.method.get_Name.24948.body
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{
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return null;
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}
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// ino.end
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// ino.method.codegen.24951.definition
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public void codegen(ClassFile classfile, CodeAttribute code, Vector paralist)
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throws JVMCodeException
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// ino.end
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// ino.method.codegen.24951.body
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{
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// AutoBoxing-Feature: Literale koennen nur als Objekt zugewiesen werden
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if (expr2 instanceof Literal) ((Literal)expr2).setPrimitiveFlag(false);
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if(expr1 instanceof LocalOrFieldVar)
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{
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LocalOrFieldVar local = (LocalOrFieldVar)expr1;
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Vector name_vector = local.get_Name_Vector();
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Vector type_vector = local.get_Type_Vector();
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String local_name = null;
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String class_name = null;
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String type = null;
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for(int i=0; i < name_vector.size()-1; i++)
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{
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local_name = (String)name_vector.elementAt(i);
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type = JVMCode.get_codegen_Type((String)type_vector.elementAt(i), paralist);
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int index = code.get_indexOf_Var(local_name);
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if(index != -1)
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{
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// LocalVar
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try
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{
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2014-09-02 16:49:19 +00:00
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JavaClassName local_type = code.get_TypeOf_Var(local_name).getName();
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code.add_code(JVMCode.nload_n(local_type.toString(), index));
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2013-10-18 11:33:46 +00:00
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}
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catch(JVMCodeException e)
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{
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// out of nload_n
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2014-09-02 16:49:19 +00:00
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String local_type = code.get_TypeOf_Var(local_name).getName().toString();
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2013-10-18 11:33:46 +00:00
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code.add_code(JVMCode.nload(local_type));
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code.add_code_byte((byte)index);
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}
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}
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else
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{
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// FieldVar
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code.add_code(JVMCode.aload_0);
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code.add_code(JVMCode.getfield);
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code.add_code_short(classfile.add_field_ref(local_name, class_name, type));
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}
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class_name = (String)type_vector.elementAt(i);
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}
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expr2.codegen(classfile, code, paralist);
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local_name = (String)name_vector.lastElement();
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int index = code.get_indexOf_Var(local_name);
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if(index != -1)
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{
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// LocalVar
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try
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{
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2014-09-02 16:49:19 +00:00
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String local_type = code.get_TypeOf_Var(local_name).getName().toString();
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2013-10-18 11:33:46 +00:00
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code.add_code(JVMCode.nstore_n(local_type, index));
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}
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catch(JVMCodeException e)
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{
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// out of nstore_n
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2014-09-02 16:49:19 +00:00
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String local_type = code.get_TypeOf_Var(local_name).getName().toString();
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2013-10-18 11:33:46 +00:00
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code.add_code(JVMCode.nstore(local_type));
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code.add_code_byte((byte)index);
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}
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}
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else
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{
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// FieldVar
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code.add_code(JVMCode.putfield);
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code.add_code_short(classfile.add_field_ref(local_name, class_name, JVMCode.get_codegen_Type(expr2.getTypeName(), paralist)));
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}
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}
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else if(expr1 instanceof InstVar)
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{
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InstVar instvar = (InstVar)expr1;
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String instvar_name = instvar.get_codegen_UsedId();
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code.add_code(JVMCode.aload_0);
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expr2.codegen(classfile, code, paralist);
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code.add_code(JVMCode.putfield);
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code.add_code_short(classfile.add_field_ref(instvar_name, null, null));
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}
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else throw new JVMCodeException("JVMCodeException: Assign: void test codegen(ClassFile classfile, Code_attribute code)");
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}
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// ino.end
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/**
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* @author AI10023 - Andreas Stadelmeier
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*/
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@Override
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public ConstraintsSet TYPEExpr(TypeAssumptions assumptions) {
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ConstraintsSet ret = new ConstraintsSet();
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ret.add(expr1.TYPEExpr(assumptions));
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ret.add(expr2.TYPEExpr(assumptions));
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//this.setTypeVariable( TypePlaceholder.fresh(this));
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2014-02-11 15:30:38 +00:00
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this.setType(TypePlaceholder.fresh(this));
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2014-09-08 13:12:47 +00:00
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ret.add(new SingleConstraint(expr2.getType().TYPE(assumptions, this), expr1.getType().TYPE(assumptions, this))); //expr2.type <. expr1.type
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ret.add(new SingleConstraint(expr1.getType().TYPE(assumptions, this), this.getType().TYPE(assumptions, this)));
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2013-10-18 11:33:46 +00:00
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return ret;
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}
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/**
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* Spezifikation:
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* TYPEStmt( Ass, stmt ) =
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* let (stmt : rty, ConS) = TYPEExpr( Ass, stmt )
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* in (stmt : Void, ConS)
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*/
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@Override
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public ConstraintsSet TYPEStmt(TypeAssumptions assumptions){
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ConstraintsSet ret = this.TYPEExpr(assumptions); //TypeExpr aufrufen
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2014-09-14 16:38:43 +00:00
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this.setType(new Void(this,0)); //Typ des Statments auf Void setzen.
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2013-10-18 11:33:46 +00:00
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return ret;
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}
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// ino.method.toString.24960.defdescription type=javadoc
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/**
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* <br/>Author: Martin Pl<EFBFBD>micke
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* @return
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*/
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// ino.end
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// ino.method.toString.24960.definition
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public String toString()
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// ino.end
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// ino.method.toString.24960.body
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{
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2014-02-11 15:30:38 +00:00
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if(getType() == null)return "(" + expr1.toString() + " = " + expr2.toString() + ")";
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return getType().toString() + "(" + expr1.toString() + " = " + expr2.toString() + ")";
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2013-10-18 11:33:46 +00:00
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}
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// ino.end
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// ino.method.wandleRefTypeAttributes2GenericAttributes.24963.definition
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public void wandleRefTypeAttributes2GenericAttributes(Vector<Type> paralist, Vector<GenericTypeVar> genericMethodParameters)
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// ino.end
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// ino.method.wandleRefTypeAttributes2GenericAttributes.24963.body
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{
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}
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// ino.end
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@Override
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public String getTypeInformation(){
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2014-02-11 15:30:38 +00:00
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return "(" + expr1.getTypeInformation() + " = " + expr2.getTypeInformation() + ") : "+this.getType();
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2013-10-18 11:33:46 +00:00
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}
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@Override
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public JavaCodeResult printJavaCode(ResultSet resultSet){
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JavaCodeResult ret = new JavaCodeResult().attach(this.expr1.printJavaCode(resultSet) ).attach( " = " ).attach( this.expr2.printJavaCode(resultSet));
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return ret;
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}
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2014-02-19 22:04:48 +00:00
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@Override
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public Vector<SyntaxTreeNode> getChildren() {
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Vector<SyntaxTreeNode> ret = new Vector<SyntaxTreeNode>();
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ret.add(this.expr1);
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ret.add(this.expr2);
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return ret;
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}
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2013-10-18 11:33:46 +00:00
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}
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// ino.end
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