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 ModifiesGroupPragma extends ModifierPragma 031 { 032 public int tag; 033 034 public /*@ non_null @*/ CondExprModifierPragmaVec items; 035 036 public /*@ non_null @*/ Expr precondition; 037 038 public int clauseLoc; 039 040 041 public int getStartLoc() { return clauseLoc; } 042 043 static public ModifiesGroupPragma make(int tag, int loc) { 044 ModifiesGroupPragma t = new ModifiesGroupPragma(); 045 t.tag = tag; 046 t.clauseLoc = loc; 047 t.precondition = null; 048 t.items = CondExprModifierPragmaVec.make(); 049 return t; 050 } 051 052 public void addElement(CondExprModifierPragma e) { 053 items.addElement(e); 054 } 055 056 public ModifiesGroupPragma append(ModifiesGroupPragma m) { 057 items.append(m.items); 058 return this; 059 } 060 061 public ModifiesGroupPragma append(CondExprModifierPragmaVec ev) { 062 items.append(ev); 063 return this; 064 } 065 066 067 // Generated boilerplate constructors: 068 069 /** 070 * Construct a raw ModifiesGroupPragma whose class invariant(s) have not 071 * yet been established. It is the caller's job to 072 * initialize the returned node's fields so that any 073 * class invariants hold. 074 */ 075 //@ requires I_will_establish_invariants_afterwards; 076 protected ModifiesGroupPragma() {} //@ nowarn Invariant,NonNullInit; 077 078 079 // Generated boilerplate methods: 080 081 public final int childCount() { 082 int sz = 0; 083 if (this.items != null) sz += this.items.size(); 084 return sz + 1; 085 } 086 087 public final Object childAt(int index) { 088 /*throws IndexOutOfBoundsException*/ 089 if (index < 0) 090 throw new IndexOutOfBoundsException("AST child index " + index); 091 int indexPre = index; 092 093 int sz; 094 095 sz = (this.items == null ? 0 : this.items.size()); 096 if (0 <= index && index < sz) 097 return this.items.elementAt(index); 098 else index -= sz; 099 100 if (index == 0) return this.precondition; 101 else index--; 102 103 throw new IndexOutOfBoundsException("AST child index " + indexPre); 104 } //@ nowarn Exception; 105 106 public final String toString() { 107 return "[ModifiesGroupPragma" 108 + " tag = " + this.tag 109 + " items = " + this.items 110 + " precondition = " + this.precondition 111 + " clauseLoc = " + this.clauseLoc 112 + "]"; 113 } 114 115 public final int getTag() { 116 return TagConstants.MODIFIESGROUPPRAGMA; 117 } 118 119 public final void accept(javafe.ast.Visitor v) { 120 if (v instanceof Visitor) ((Visitor)v).visitModifiesGroupPragma(this); 121 } 122 123 public final Object accept(javafe.ast.VisitorArgResult v, Object o) { 124 if (v instanceof VisitorArgResult) return ((VisitorArgResult)v).visitModifiesGroupPragma(this, o); else return null; 125 } 126 127 public void check() { 128 for(int i = 0; i < this.items.size(); i++) 129 this.items.elementAt(i).check(); 130 this.precondition.check(); 131 } 132 133 //@ ensures \result != null; 134 public static ModifiesGroupPragma make(int tag, /*@ non_null @*/ CondExprModifierPragmaVec items, /*@ non_null @*/ Expr precondition, int clauseLoc) { 135 //@ set I_will_establish_invariants_afterwards = true; 136 ModifiesGroupPragma result = new ModifiesGroupPragma(); 137 result.tag = tag; 138 result.items = items; 139 result.precondition = precondition; 140 result.clauseLoc = clauseLoc; 141 return result; 142 } 143 }