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 escjava.ast; 013 014 import java.util.Hashtable; 015 import java.util.Set; 016 import java.util.ArrayList; 017 018 import javafe.ast.*; 019 import javafe.util.Assert; 020 import javafe.util.Location; 021 import escjava.ParsedRoutineSpecs; 022 023 // Convention: unless otherwise noted, integer fields named "loc" refer 024 // to the location of the first character of the syntactic unit 025 026 //# TagBase javafe.tc.TagConstants.LAST_TAG + 1 027 //# VisitorRoot javafe.ast.Visitor 028 029 030 public class VarInCmd extends GuardedCmd 031 { 032 // denotes VAR v IN g END. 033 public /*@ non_null @*/ GenericVarDeclVec v; 034 035 public /*@ non_null @*/ GuardedCmd g; 036 037 038 public int getStartLoc() { return g.getStartLoc(); } 039 public int getEndLoc() { return g.getEndLoc(); } 040 041 042 // Generated boilerplate constructors: 043 044 /** 045 * Construct a raw VarInCmd whose class invariant(s) have not 046 * yet been established. It is the caller's job to 047 * initialize the returned node's fields so that any 048 * class invariants hold. 049 */ 050 //@ requires I_will_establish_invariants_afterwards; 051 protected VarInCmd() {} //@ nowarn Invariant,NonNullInit; 052 053 054 // Generated boilerplate methods: 055 056 public final int childCount() { 057 int sz = 0; 058 if (this.v != null) sz += this.v.size(); 059 return sz + 1; 060 } 061 062 public final Object childAt(int index) { 063 /*throws IndexOutOfBoundsException*/ 064 if (index < 0) 065 throw new IndexOutOfBoundsException("AST child index " + index); 066 int indexPre = index; 067 068 int sz; 069 070 sz = (this.v == null ? 0 : this.v.size()); 071 if (0 <= index && index < sz) 072 return this.v.elementAt(index); 073 else index -= sz; 074 075 if (index == 0) return this.g; 076 else index--; 077 078 throw new IndexOutOfBoundsException("AST child index " + indexPre); 079 } //@ nowarn Exception; 080 081 public final String toString() { 082 return "[VarInCmd" 083 + " v = " + this.v 084 + " g = " + this.g 085 + "]"; 086 } 087 088 public final int getTag() { 089 return TagConstants.VARINCMD; 090 } 091 092 public final void accept(javafe.ast.Visitor v) { 093 if (v instanceof Visitor) ((Visitor)v).visitVarInCmd(this); 094 } 095 096 public final Object accept(javafe.ast.VisitorArgResult v, Object o) { 097 if (v instanceof VisitorArgResult) return ((VisitorArgResult)v).visitVarInCmd(this, o); else return null; 098 } 099 100 public void check() { 101 super.check(); 102 for(int i = 0; i < this.v.size(); i++) 103 this.v.elementAt(i).check(); 104 this.g.check(); 105 } 106 107 //@ ensures \result != null; 108 public static VarInCmd make(/*@ non_null @*/ GenericVarDeclVec v, /*@ non_null @*/ GuardedCmd g) { 109 //@ set I_will_establish_invariants_afterwards = true; 110 VarInCmd result = new VarInCmd(); 111 result.v = v; 112 result.g = g; 113 return result; 114 } 115 }