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 028 029 030 031 public class CmdCmdCmd extends GuardedCmd 032 { 033 // denotes g1 ! g2 or g1 [] g2 034 public int cmd; 035 036 public /*@ non_null @*/ GuardedCmd g1; 037 038 public /*@ non_null @*/ GuardedCmd g2; 039 040 041 public final int getTag() { return cmd; } 042 043 private void postCheck() { 044 boolean goodtag = 045 (cmd == TagConstants.TRYCMD || cmd == TagConstants.CHOOSECMD); 046 Assert.notFalse(goodtag); 047 } 048 049 public int getStartLoc() { return g1.getStartLoc(); } 050 public int getEndLoc() { return g2.getEndLoc(); } 051 052 053 // Generated boilerplate constructors: 054 055 /** 056 * Construct a raw CmdCmdCmd whose class invariant(s) have not 057 * yet been established. It is the caller's job to 058 * initialize the returned node's fields so that any 059 * class invariants hold. 060 */ 061 //@ requires I_will_establish_invariants_afterwards; 062 protected CmdCmdCmd() {} //@ nowarn Invariant,NonNullInit; 063 064 065 // Generated boilerplate methods: 066 067 public final int childCount() { 068 return 2; 069 } 070 071 public final Object childAt(int index) { 072 /*throws IndexOutOfBoundsException*/ 073 if (index < 0) 074 throw new IndexOutOfBoundsException("AST child index " + index); 075 int indexPre = index; 076 077 int sz; 078 079 if (index == 0) return this.g1; 080 else index--; 081 082 if (index == 0) return this.g2; 083 else index--; 084 085 throw new IndexOutOfBoundsException("AST child index " + indexPre); 086 } //@ nowarn Exception; 087 088 public final String toString() { 089 return "[CmdCmdCmd" 090 + " cmd = " + this.cmd 091 + " g1 = " + this.g1 092 + " g2 = " + this.g2 093 + "]"; 094 } 095 096 public final void accept(javafe.ast.Visitor v) { 097 if (v instanceof Visitor) ((Visitor)v).visitCmdCmdCmd(this); 098 } 099 100 public final Object accept(javafe.ast.VisitorArgResult v, Object o) { 101 if (v instanceof VisitorArgResult) return ((VisitorArgResult)v).visitCmdCmdCmd(this, o); else return null; 102 } 103 104 public void check() { 105 super.check(); 106 this.g1.check(); 107 this.g2.check(); 108 postCheck(); 109 } 110 111 //@ ensures \result != null; 112 public static CmdCmdCmd make(int cmd, /*@ non_null @*/ GuardedCmd g1, /*@ non_null @*/ GuardedCmd g2) { 113 //@ set I_will_establish_invariants_afterwards = true; 114 CmdCmdCmd result = new CmdCmdCmd(); 115 result.cmd = cmd; 116 result.g1 = g1; 117 result.g2 = g2; 118 return result; 119 } 120 }