001    /* Copyright 2000, 2001, Compaq Computer Corporation */
002    
003    /* IF THIS IS A JAVA FILE, DO NOT EDIT IT!  
004    
005       Most Java files in this directory which are part of the Javafe AST
006       are automatically generated using the astgen comment (see
007       ESCTools/Javafe/astgen) from the input file 'hierarchy.h'.  If you
008       wish to modify AST classes or introduce new ones, modify
009       'hierarchy.j.'
010     */
011    
012    package javafe.ast;
013    
014    import javafe.util.Assert;
015    import javafe.util.Location;
016    import javafe.util.ErrorSet;
017    
018    // Convention: unless otherwise noted, integer fields named "loc" refer
019    // to the location of the first character of the syntactic unit
020    
021    
022    /** Represents a ConstructorDeclaration.
023     *
024     *  The first Stmt in the body field should be a ConstructorInvocation. If
025     *  the source code does not contain a constructor invocation, it is
026     *  inserted by the parser.
027     */
028    
029    public class ConstructorDecl extends RoutineDecl
030    {
031    
032      public Identifier id() { return parent != null ? parent.id : Identifier.intern("<constructor>"); }
033    
034    
035    // Generated boilerplate constructors:
036    
037      /**
038       * Construct a raw ConstructorDecl whose class invariant(s) have not
039       * yet been established.  It is the caller's job to
040       * initialize the returned node's fields so that any
041       * class invariants hold.
042       */
043      //@ requires I_will_establish_invariants_afterwards;
044      protected ConstructorDecl() {}    //@ nowarn Invariant,NonNullInit;
045    
046    
047    // Generated boilerplate methods:
048    
049      public final int childCount() {
050         int sz = 0;
051         if (this.pmodifiers != null) sz += this.pmodifiers.size();
052         if (this.tmodifiers != null) sz += this.tmodifiers.size();
053         if (this.args != null) sz += this.args.size();
054         if (this.raises != null) sz += this.raises.size();
055         return sz + 1;
056      }
057    
058      public final Object childAt(int index) {
059              /*throws IndexOutOfBoundsException*/
060         if (index < 0)
061            throw new IndexOutOfBoundsException("AST child index " + index);
062         int indexPre = index;
063    
064         int sz;
065    
066         sz = (this.pmodifiers == null ? 0 : this.pmodifiers.size());
067         if (0 <= index && index < sz)
068            return this.pmodifiers.elementAt(index);
069         else index -= sz;
070    
071         sz = (this.tmodifiers == null ? 0 : this.tmodifiers.size());
072         if (0 <= index && index < sz)
073            return this.tmodifiers.elementAt(index);
074         else index -= sz;
075    
076         sz = (this.args == null ? 0 : this.args.size());
077         if (0 <= index && index < sz)
078            return this.args.elementAt(index);
079         else index -= sz;
080    
081         sz = (this.raises == null ? 0 : this.raises.size());
082         if (0 <= index && index < sz)
083            return this.raises.elementAt(index);
084         else index -= sz;
085    
086         if (index == 0) return this.body;
087         else index--;
088    
089         throw new IndexOutOfBoundsException("AST child index " + indexPre);
090      }   //@ nowarn Exception;
091    
092      public final String toString() {
093         return "[ConstructorDecl"
094            + " modifiers = " + this.modifiers
095            + " pmodifiers = " + this.pmodifiers
096            + " tmodifiers = " + this.tmodifiers
097            + " args = " + this.args
098            + " raises = " + this.raises
099            + " body = " + this.body
100            + " locOpenBrace = " + this.locOpenBrace
101            + " loc = " + this.loc
102            + " locId = " + this.locId
103            + " locThrowsKeyword = " + this.locThrowsKeyword
104            + "]";
105      }
106    
107      public final int getTag() {
108         return TagConstants.CONSTRUCTORDECL;
109      }
110    
111      public final void accept(Visitor v) { v.visitConstructorDecl(this); }
112    
113      public final Object accept(VisitorArgResult v, Object o) {return v.visitConstructorDecl(this, o); }
114    
115      public void check() {
116         super.check();
117         if (this.pmodifiers != null)
118            for(int i = 0; i < this.pmodifiers.size(); i++)
119               this.pmodifiers.elementAt(i).check();
120         if (this.tmodifiers != null)
121            for(int i = 0; i < this.tmodifiers.size(); i++)
122               this.tmodifiers.elementAt(i).check();
123         for(int i = 0; i < this.args.size(); i++)
124            this.args.elementAt(i).check();
125         for(int i = 0; i < this.raises.size(); i++)
126            this.raises.elementAt(i).check();
127         if (this.body != null)
128            this.body.check();
129      }
130    
131      //@ requires loc != javafe.util.Location.NULL;
132      //@ requires locId != javafe.util.Location.NULL;
133      //@ requires body != null ==> locOpenBrace != Location.NULL;
134      //@ ensures \result != null;
135      public static ConstructorDecl make(int modifiers, ModifierPragmaVec pmodifiers, TypeModifierPragmaVec tmodifiers, /*@ non_null @*/ FormalParaDeclVec args, /*@ non_null @*/ TypeNameVec raises, BlockStmt body, int locOpenBrace, int loc, int locId, int locThrowsKeyword) {
136         //@ set I_will_establish_invariants_afterwards = true;
137         ConstructorDecl result = new ConstructorDecl();
138         result.modifiers = modifiers;
139         result.pmodifiers = pmodifiers;
140         result.tmodifiers = tmodifiers;
141         result.args = args;
142         result.raises = raises;
143         result.body = body;
144         result.locOpenBrace = locOpenBrace;
145         result.loc = loc;
146         result.locId = locId;
147         result.locThrowsKeyword = locThrowsKeyword;
148         return result;
149      }
150    }