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 abstract class AssignCmd extends GuardedCmd
031    {
032      // denotes a subtype-dependent assignment to v
033      // rhs must be pure
034      public /*@ non_null @*/ VariableAccess v;
035    
036      public /*@ non_null @*/ Expr rhs;
037    
038    
039      public int getStartLoc() { return v.getStartLoc(); }
040      public int getEndLoc() { return rhs.getEndLoc(); }
041    
042    
043    // Generated boilerplate constructors:
044    
045      /**
046       * Construct a raw AssignCmd whose class invariant(s) have not
047       * yet been established.  It is the caller's job to
048       * initialize the returned node's fields so that any
049       * class invariants hold.
050       */
051      //@ requires I_will_establish_invariants_afterwards;
052      protected AssignCmd() {}    //@ nowarn Invariant,NonNullInit;
053    
054      public void check() {
055         super.check();
056         this.v.check();
057         this.rhs.check();
058      }
059    
060    }