import IR.Tree.Modifiers;
/**
- * Descriptor
+ * Descriptor
*
*/
public class TaskDescriptor extends Descriptor {
- protected Hashtable flagstable;
- protected Hashtable tagstable;
- protected Vector vfe;
- protected String identifier;
- protected Vector params;
- protected Vector optionals;
- protected SymbolTable paramtable;
-
- public TaskDescriptor(String identifier) {
- super(identifier);
- this.identifier=identifier;
- this.uniqueid=count++;
- flagstable=new Hashtable();
- tagstable=new Hashtable(); //BUGFIX - added initialization here
- params=new Vector();
- optionals = new Vector();
- paramtable=new SymbolTable();
+ protected Hashtable flagstable;
+ protected Hashtable tagstable;
+ protected Vector vfe;
+ protected String identifier;
+ protected Vector params;
+ protected Vector optionals;
+ protected SymbolTable paramtable;
+
+ public TaskDescriptor(String identifier) {
+ super(identifier);
+ this.identifier=identifier;
+ this.uniqueid=count++;
+ flagstable=new Hashtable();
+ tagstable=new Hashtable(); //BUGFIX - added initialization here
+ params=new Vector();
+ optionals = new Vector();
+ paramtable=new SymbolTable();
+ }
+
+ public void addFlagEffects(Vector vfe) {
+ this.vfe=vfe;
+ }
+
+ public Vector getFlagEffects() {
+ return vfe;
+ }
+
+ public SymbolTable getParameterTable() {
+ return paramtable;
+ }
+
+ public void addParameter(TypeDescriptor type, String paramname, FlagExpressionNode fen, TagExpressionList tel, boolean isoptional) {
+ if (paramname.equals("this"))
+ throw new Error("Can't have parameter named this");
+ VarDescriptor vd=new VarDescriptor(type, paramname);
+ params.add(vd);
+ if (isoptional) optionals.add(vd);
+ if (fen!=null)
+ flagstable.put(vd, fen);
+ if (tel!=null) { //BUGFIX - added null check here...test with any bristlecone program
+ tagstable.put(vd, tel);
+ for(int i=0; i<tel.numTags(); i++) {
+ TagVarDescriptor tvd=new TagVarDescriptor(new TagDescriptor(tel.getType(i)), tel.getName(i));
+ if (paramtable.getFromSameScope(tel.getName(i))==null) {
+ paramtable.add(tvd);
+ } else if (!((paramtable.getFromSameScope(tel.getName(i)) instanceof TagVarDescriptor)&&((TagVarDescriptor)paramtable.getFromSameScope(tel.getName(i))).getTag().equals(tvd.getTag())))
+ throw new Error("Parameter "+paramname+" already defined");
+ }
}
- public void addFlagEffects(Vector vfe) {
- this.vfe=vfe;
+ if (paramtable.getFromSameScope(paramname)!=null) {
+ throw new Error("Parameter "+paramname+" already defined");
}
-
- public Vector getFlagEffects() {
- return vfe;
- }
-
- public SymbolTable getParameterTable() {
- return paramtable;
- }
-
- public void addParameter(TypeDescriptor type, String paramname, FlagExpressionNode fen, TagExpressionList tel, boolean isoptional) {
- if (paramname.equals("this"))
- throw new Error("Can't have parameter named this");
- VarDescriptor vd=new VarDescriptor(type, paramname);
- params.add(vd);
- if (isoptional) optionals.add(vd);
- if (fen!=null)
- flagstable.put(vd, fen);
- if (tel!=null) {//BUGFIX - added null check here...test with any bristlecone program
- tagstable.put(vd, tel);
- for(int i=0;i<tel.numTags();i++) {
- TagVarDescriptor tvd=new TagVarDescriptor(new TagDescriptor(tel.getType(i)), tel.getName(i));
- if (paramtable.getFromSameScope(tel.getName(i))==null) {
- paramtable.add(tvd);
- } else if (!((paramtable.getFromSameScope(tel.getName(i)) instanceof TagVarDescriptor)&&((TagVarDescriptor)paramtable.getFromSameScope(tel.getName(i))).getTag().equals(tvd.getTag())))
- throw new Error("Parameter "+paramname+" already defined");
- }
- }
-
- if (paramtable.getFromSameScope(paramname)!=null) {
- throw new Error("Parameter "+paramname+" already defined");
- }
- paramtable.add(vd);
- }
-
- public boolean isOptional(VarDescriptor vd) {
- return optionals.contains(vd);
- }
-
- public int numParameters() {
- return params.size();
- }
-
- public VarDescriptor getParameter(int i) {
- return (VarDescriptor)params.get(i);
- }
-
- public String getParamName(int i) {
- return ((VarDescriptor)params.get(i)).getName();
- }
-
- public TypeDescriptor getParamType(int i) {
- return ((VarDescriptor)params.get(i)).getType();
- }
-
- public FlagExpressionNode getFlag(VarDescriptor vd) {
- return (FlagExpressionNode) flagstable.get(vd);
- }
-
- public TagExpressionList getTag(VarDescriptor vd) {
- //BUG did lookup in wrong table (originally flagstable)...to
- //test, use any task program
- return (TagExpressionList) tagstable.get(vd);
- }
-
- public String toString() {
- String st=identifier+"(";
- for(int i=0;i<params.size();i++) {
- st+=getParamType(i)+" "+getParamName(i);
- if ((i+1)!=params.size())
- st+=", ";
- }
- st+=")";
- return st;
+ paramtable.add(vd);
+ }
+
+ public boolean isOptional(VarDescriptor vd) {
+ return optionals.contains(vd);
+ }
+
+ public int numParameters() {
+ return params.size();
+ }
+
+ public VarDescriptor getParameter(int i) {
+ return (VarDescriptor)params.get(i);
+ }
+
+ public String getParamName(int i) {
+ return ((VarDescriptor)params.get(i)).getName();
+ }
+
+ public TypeDescriptor getParamType(int i) {
+ return ((VarDescriptor)params.get(i)).getType();
+ }
+
+ public FlagExpressionNode getFlag(VarDescriptor vd) {
+ return (FlagExpressionNode) flagstable.get(vd);
+ }
+
+ public TagExpressionList getTag(VarDescriptor vd) {
+ //BUG did lookup in wrong table (originally flagstable)...to
+ //test, use any task program
+ return (TagExpressionList) tagstable.get(vd);
+ }
+
+ public String toString() {
+ String st=identifier+"(";
+ for(int i=0; i<params.size(); i++) {
+ st+=getParamType(i)+" "+getParamName(i);
+ if ((i+1)!=params.size())
+ st+=", ";
}
+ st+=")";
+ return st;
+ }
}
projects / IRC.git / blobdiff