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 LoopCmd extends GuardedCmd 031 { 032 public int locStart; 033 034 public int locEnd; 035 036 public int locHotspot; 037 038 public /*@ non_null @*/ Hashtable oldmap; 039 040 public /*@ non_null @*/ ConditionVec invariants; 041 042 public /*@ non_null @*/ DecreasesInfoVec decreases; 043 044 public /*@ non_null @*/ LocalVarDeclVec skolemConstants; 045 046 public /*@ non_null @*/ ExprVec predicates; 047 048 public /*@ non_null @*/ GenericVarDeclVec tempVars; 049 050 public /*@ non_null @*/ GuardedCmd guard; 051 052 public /*@ non_null @*/ GuardedCmd body; 053 054 055 public GuardedCmd desugared; 056 057 public int getStartLoc() { return locStart; } 058 public int getEndLoc() { return locEnd; } 059 060 061 // Generated boilerplate constructors: 062 063 /** 064 * Construct a raw LoopCmd whose class invariant(s) have not 065 * yet been established. It is the caller's job to 066 * initialize the returned node's fields so that any 067 * class invariants hold. 068 */ 069 //@ requires I_will_establish_invariants_afterwards; 070 protected LoopCmd() {} //@ nowarn Invariant,NonNullInit; 071 072 073 // Generated boilerplate methods: 074 075 public final int childCount() { 076 int sz = 0; 077 if (this.invariants != null) sz += this.invariants.size(); 078 if (this.decreases != null) sz += this.decreases.size(); 079 if (this.skolemConstants != null) sz += this.skolemConstants.size(); 080 if (this.predicates != null) sz += this.predicates.size(); 081 if (this.tempVars != null) sz += this.tempVars.size(); 082 return sz + 3; 083 } 084 085 public final Object childAt(int index) { 086 /*throws IndexOutOfBoundsException*/ 087 if (index < 0) 088 throw new IndexOutOfBoundsException("AST child index " + index); 089 int indexPre = index; 090 091 int sz; 092 093 if (index == 0) return this.oldmap; 094 else index--; 095 096 sz = (this.invariants == null ? 0 : this.invariants.size()); 097 if (0 <= index && index < sz) 098 return this.invariants.elementAt(index); 099 else index -= sz; 100 101 sz = (this.decreases == null ? 0 : this.decreases.size()); 102 if (0 <= index && index < sz) 103 return this.decreases.elementAt(index); 104 else index -= sz; 105 106 sz = (this.skolemConstants == null ? 0 : this.skolemConstants.size()); 107 if (0 <= index && index < sz) 108 return this.skolemConstants.elementAt(index); 109 else index -= sz; 110 111 sz = (this.predicates == null ? 0 : this.predicates.size()); 112 if (0 <= index && index < sz) 113 return this.predicates.elementAt(index); 114 else index -= sz; 115 116 sz = (this.tempVars == null ? 0 : this.tempVars.size()); 117 if (0 <= index && index < sz) 118 return this.tempVars.elementAt(index); 119 else index -= sz; 120 121 if (index == 0) return this.guard; 122 else index--; 123 124 if (index == 0) return this.body; 125 else index--; 126 127 throw new IndexOutOfBoundsException("AST child index " + indexPre); 128 } //@ nowarn Exception; 129 130 public final String toString() { 131 return "[LoopCmd" 132 + " locStart = " + this.locStart 133 + " locEnd = " + this.locEnd 134 + " locHotspot = " + this.locHotspot 135 + " oldmap = " + this.oldmap 136 + " invariants = " + this.invariants 137 + " decreases = " + this.decreases 138 + " skolemConstants = " + this.skolemConstants 139 + " predicates = " + this.predicates 140 + " tempVars = " + this.tempVars 141 + " guard = " + this.guard 142 + " body = " + this.body 143 + "]"; 144 } 145 146 public final int getTag() { 147 return TagConstants.LOOPCMD; 148 } 149 150 public final void accept(javafe.ast.Visitor v) { 151 if (v instanceof Visitor) ((Visitor)v).visitLoopCmd(this); 152 } 153 154 public final Object accept(javafe.ast.VisitorArgResult v, Object o) { 155 if (v instanceof VisitorArgResult) return ((VisitorArgResult)v).visitLoopCmd(this, o); else return null; 156 } 157 158 public void check() { 159 super.check(); 160 if (this.oldmap == null) throw new RuntimeException(); 161 for(int i = 0; i < this.invariants.size(); i++) 162 this.invariants.elementAt(i).check(); 163 for(int i = 0; i < this.decreases.size(); i++) 164 this.decreases.elementAt(i).check(); 165 for(int i = 0; i < this.skolemConstants.size(); i++) 166 this.skolemConstants.elementAt(i).check(); 167 for(int i = 0; i < this.predicates.size(); i++) 168 this.predicates.elementAt(i).check(); 169 for(int i = 0; i < this.tempVars.size(); i++) 170 this.tempVars.elementAt(i).check(); 171 this.guard.check(); 172 this.body.check(); 173 } 174 175 //@ ensures \result != null; 176 public static LoopCmd make(int locStart, int locEnd, int locHotspot, /*@ non_null @*/ Hashtable oldmap, /*@ non_null @*/ ConditionVec invariants, /*@ non_null @*/ DecreasesInfoVec decreases, /*@ non_null @*/ LocalVarDeclVec skolemConstants, /*@ non_null @*/ ExprVec predicates, /*@ non_null @*/ GenericVarDeclVec tempVars, /*@ non_null @*/ GuardedCmd guard, /*@ non_null @*/ GuardedCmd body) { 177 //@ set I_will_establish_invariants_afterwards = true; 178 LoopCmd result = new LoopCmd(); 179 result.locStart = locStart; 180 result.locEnd = locEnd; 181 result.locHotspot = locHotspot; 182 result.oldmap = oldmap; 183 result.invariants = invariants; 184 result.decreases = decreases; 185 result.skolemConstants = skolemConstants; 186 result.predicates = predicates; 187 result.tempVars = tempVars; 188 result.guard = guard; 189 result.body = body; 190 return result; 191 } 192 }