forked from JavaTX/JavaCompilerCore
300 lines
11 KiB
Java
300 lines
11 KiB
Java
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// ino.module.PreDecExpr.8648.package
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package mycompiler.mystatement;
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// ino.end
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// ino.module.PreDecExpr.8648.import
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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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import mycompiler.mybytecode.ClassFile;
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import mycompiler.mybytecode.CodeAttribute;
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import mycompiler.mybytecode.JVMCode;
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import mycompiler.myclass.Class;
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import mycompiler.myexception.CTypeReconstructionException;
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import mycompiler.myexception.JVMCodeException;
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import mycompiler.myexception.SCExcept;
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import mycompiler.myexception.SCStatementException;
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import mycompiler.mytype.GenericTypeVar;
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import mycompiler.mytype.Pair;
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import mycompiler.mytype.RefType;
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import mycompiler.mytype.Type;
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import mycompiler.mytype.Void;
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import mycompiler.mytypereconstruction.CSupportData;
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import mycompiler.mytypereconstruction.CTriple;
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import mycompiler.mytypereconstruction.set.CSubstitutionSet;
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import mycompiler.mytypereconstruction.set.CTripleSet;
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import mycompiler.mytypereconstruction.set.CTypeAssumptionSet;
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import mycompiler.mytypereconstruction.typeassumption.CTypeAssumption;
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import mycompiler.mytypereconstruction.unify.Unify;
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import org.apache.log4j.Logger;
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// ino.end
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import typinferenz.ConstraintsSet;
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import typinferenz.JavaCodeResult;
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import typinferenz.ResultSet;
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import typinferenz.TypeAssumptions;
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// ino.class.PreDecExpr.26055.declaration
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public class PreDecExpr extends UnaryExpr
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// ino.end
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// ino.class.PreDecExpr.26055.body
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{
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// ino.method.PreDecExpr.26059.definition
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public PreDecExpr(int offset,int variableLength)
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// ino.end
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// ino.method.PreDecExpr.26059.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.expr.26062.declaration
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public Expr expr;
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// ino.end
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// ino.attribute.parserlog.26065.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.26068.definition
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public void set_Expr(Expr ex)
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// ino.end
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// ino.method.set_Expr.26068.body
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{
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this.expr = ex;
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}
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// ino.end
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// ino.method.get_Name.26071.definition
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public String get_Name()
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// ino.end
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// ino.method.get_Name.26071.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.sc_check.26074.definition
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public void sc_check(Vector<Class> classname, Hashtable ch, Hashtable<String, String> bh, boolean ext, Hashtable parach, Hashtable<String, Hashtable> parabh)
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throws SCStatementException
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// ino.end
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// ino.method.sc_check.26074.body
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{
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SCStatementException ex=null;
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if(ext)
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parserlog.debug(" ---PreDecExpr---");
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try
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{
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expr.sc_check(classname,ch,bh,ext,parach,parabh);
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this.setType(new Type(expr.getTypeName(),getOffset()));
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}
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catch (SCStatementException except)
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{
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ex=except;
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}
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if(this.getType()==null)
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{
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if(ext)
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parserlog.debug("Semantik-Check hat einen Typ-Fehler gefunden!!! --- NoTypeDefError :-)");
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if(ex==null)
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ex=new SCStatementException();
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SCExcept exc = new SCExcept();
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exc.set_error("Kein Typ vorhanden - NoTypeDefError");
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exc.set_statement("PostDecExpr");
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ex.addException(exc);
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}
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else
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{
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if(!this.getType().getName().equals("int"))
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{
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if (ext)
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parserlog.error("Semantik-Check hat einen Typ-Fehler gefunden!!! -- wird auf anderen Typ als int angewendet.");
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SCExcept exc = new SCExcept();
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exc.set_error("-- Operator wird auf "+this.getType()+" angewendet.");
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exc.set_statement("PreDecExpr");
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if(ex==null)
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ex = new SCStatementException();
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ex.addException(exc);
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}
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}
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if(ex!=null)
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throw ex;
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}
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// ino.end
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// ino.method.codegen.26077.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.26077.body
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{
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if(expr instanceof LocalOrFieldVar) {
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String local_name = (String)((LocalOrFieldVar)expr).get_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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code.add_code(JVMCode.iinc);
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code.add_code_byte(index);
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code.add_code_byte(-1);
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}
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else {
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if(expr instanceof LocalOrFieldVar) {
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LocalOrFieldVar local = (LocalOrFieldVar)expr;
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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 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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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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index = code.get_indexOf_Var(local_name);
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if(index != -1) { // LocalVar
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try{
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String local_type = code.get_TypeOf_Var(local_name).getName();
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code.add_code(JVMCode.nload_n(local_type, index));
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}
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catch(JVMCodeException e) { // out of nload_n
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String local_type = code.get_TypeOf_Var(local_name).getName();
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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 { // 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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local_name = (String)name_vector.lastElement();
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index = classfile.add_field_ref(local_name, class_name, JVMCode.get_codegen_Type("int", paralist));
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code.add_code(JVMCode.dup);
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code.add_code(JVMCode.getfield);
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code.add_code_short(index);
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code.add_code(JVMCode.iconst_1);
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code.add_code(JVMCode.isub);
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code.add_code(JVMCode.putfield);
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code.add_code_short(index);
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}
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}
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}
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else if(expr instanceof InstVar) {
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InstVar instvar = (InstVar)expr;
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String instvar_name = instvar.get_codegen_UsedId();
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int index = classfile.add_field_ref(instvar_name, null, null);
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code.add_code(JVMCode.aload_0);
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code.add_code(JVMCode.dup);
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code.add_code(JVMCode.getfield);
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code.add_code_short(index);
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code.add_code(JVMCode.iconst_1);
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code.add_code(JVMCode.isub);
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code.add_code(JVMCode.putfield);
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code.add_code_short(index);
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}
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else throw new JVMCodeException("JVMCodeException: PreDecExpr: void codegen(ClassFile classfile, Code_attribute code)");
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}
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// ino.end
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// ino.method.TRExp.26080.defdescription type=javadoc
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/**
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* Achtung Workaround: RefType "Integer" sollte irgendwann gegen BaseType
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* <code>IntegerType</code> ausgetauscht werden.
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* <br/>Author: J<EFBFBD>rg B<EFBFBD>uerle
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* @param sigma
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* @param V
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* @param supportData
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* @return
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*/
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// ino.end
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// ino.method.TRExp.26080.definition
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public CTripleSet TRExp(CSubstitutionSet sigma, CTypeAssumptionSet V, CSupportData supportData)
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// ino.end
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// ino.method.TRExp.26080.body
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{
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CTripleSet returnSet = new CTripleSet();
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// --------------------------
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// TRExpr f<>r Expr rufen:
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// --------------------------
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CTripleSet exprSet = expr.TRExp(sigma, V, supportData);
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// --------------------------
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// Alle Triple durchgehen:
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// --------------------------
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Iterator<CTriple> exprIt = exprSet.getIterator();
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while(exprIt.hasNext()){
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CTriple exprTriple = exprIt.next();
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// --------------------------
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// ReturnType mit Integer unifizieren:
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// --------------------------
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Vector<Vector<Pair>> unifierPossibilities = Unify.unify(exprTriple.getResultType(), new RefType("java.lang.Integer",getOffset()), supportData.getFiniteClosure());
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// --------------------------
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// Wenn Unifier vorhanden, dann
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// anwenden und Triple hinzuf<75>gen:
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// --------------------------
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if(unifierPossibilities.size()!=0){
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// --------------------------
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// Subset bauen:
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// --------------------------
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CTripleSet subSet = new CTripleSet();
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// --------------------------
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// Alle m<>glichen Unifier anwenden:
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// --------------------------
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for(int i=0; i<unifierPossibilities.size(); i++){
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CSubstitutionSet unifier = new CSubstitutionSet(unifierPossibilities.elementAt(i));
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CTriple intTriple = exprTriple.cloneAndApplyUnify(unifier);
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subSet.addElement(intTriple);
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}
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returnSet.unite(subSet);
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}
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}
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if(returnSet.getCardinality()==0){
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throw new CTypeReconstructionException("PreDecExpr.TRExp(): Keiner der m<>glichen Typen l<>sst sich mit Typ \"Integer\" unifizieren.",this);
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}
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return returnSet;
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}
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// ino.end
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// ino.method.TRStatement.26083.definition
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public CTripleSet TRStatement(CSubstitutionSet sigma, CTypeAssumptionSet V, CSupportData supportData)
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// ino.end
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// ino.method.TRStatement.26083.body
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{
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CTripleSet tripleSet = this.TRExp(sigma, V, supportData).deepCopy();
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Iterator<CTriple> tripleIt = tripleSet.getIterator();
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while(tripleIt.hasNext()){
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tripleIt.next().setResultType(new Void(getOffset()));
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}
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return tripleSet;
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}
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// ino.end
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// ino.method.wandleRefTypeAttributes2GenericAttributes.26086.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.26086.body
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{
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}
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// ino.end
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public void addOffsetsToExpression(CTypeAssumption localAssumption,String NameVariable,boolean isMemberVariable)
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{
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expr.addOffsetsToExpression(localAssumption,NameVariable,isMemberVariable);
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}
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@Override
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public ConstraintsSet TYPEExpr(TypeAssumptions assumptions) {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public JavaCodeResult printJavaCode(ResultSet resultSet) {
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// TODO Auto-generated method stub
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return null;
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}
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}
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// ino.end
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