Collaboration diagram for com.cliffc.aa.Env.VStack:

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Public Member Functions
TV2[]	compact ()

boolean	isEmpty ()

String	toString ()

Public Attributes
Ary< String >	_flds

final VStack	_par

Ary< TV2 >	_tvars

Package Functions
String	add_var (String fld, TV2 tv)

Private Member Functions
	VStack (VStack par)

Detailed Description

Definition at line 256 of file Env.java.

Constructor & Destructor Documentation

◆ VStack()

com.cliffc.aa.Env.VStack.VStack ( VStack par )

private

Definition at line 260 of file Env.java.

260 { _par=par; _flds = new Ary<>(new String[1],0); _tvars = new Ary<>(new TV2[1],0); }

References com.cliffc.aa.Env.VStack._flds, com.cliffc.aa.Env.VStack._par, and com.cliffc.aa.Env.VStack._tvars.

Member Function Documentation

◆ add_var()

String com.cliffc.aa.Env.VStack.add_var	(	String	fld,
		TV2	tv
	)

package

Definition at line 261 of file Env.java.

261 { _flds.push(fld); _tvars.push(tv); return fld; }

References com.cliffc.aa.Env.VStack._flds, com.cliffc.aa.Env.VStack._tvars, and com.cliffc.aa.util.Ary< E >.push().

Referenced by com.cliffc.aa.Parse.func(), and com.cliffc.aa.Parse.stmt().

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◆ compact()

TV2 [] com.cliffc.aa.Env.VStack.compact ( )

Definition at line 267 of file Env.java.

                            {
       int cnt=0;
       for( VStack vs = this; vs!=null; vs=vs._par )
         cnt += vs._tvars._len;
       TV2[] tv2s = new TV2[cnt];
       cnt=0;
       for( VStack vs = this; vs!=null; vs=vs._par ) {
         System.arraycopy(vs._tvars._es,0,tv2s,cnt,vs._tvars._len);
         cnt += vs._tvars._len;
       }
       return tv2s;
     }

References com.cliffc.aa.Env.VStack._par.

Referenced by com.cliffc.aa.Parse.func().

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◆ isEmpty()

boolean com.cliffc.aa.Env.VStack.isEmpty ( )

Definition at line 262 of file Env.java.

                              {
       return _flds.isEmpty() && (_par == null || _par.isEmpty());
     }

References com.cliffc.aa.Env.VStack._flds, com.cliffc.aa.Env.VStack._par, com.cliffc.aa.util.Ary< E >.isEmpty(), and com.cliffc.aa.Env.VStack.isEmpty().

Referenced by com.cliffc.aa.Env.VStack.isEmpty().

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◆ toString()

String com.cliffc.aa.Env.VStack.toString ( )

Definition at line 281 of file Env.java.

                                        {
       // These types get large & complex; find all the dups up-front to allow
       // for prettier printing.  Uses '$A' style for repeats.
       NonBlockingHashMapLong<String> dups = new NonBlockingHashMapLong<>();
       VBitSet bs = new VBitSet();
       for( VStack vs = this; vs!=null ; vs=vs._par )
         if( vs._tvars != null )
           for( TV2 tv2 : vs._tvars )
             if( tv2 != null ) tv2.find_dups(bs,dups,0);
  
       // Print stack of types, grouped by depth
       bs.clr();
       SB sb = new SB().p("[");
       for( VStack vs = this; vs!=null ; vs=vs._par ) {
         if( vs._tvars != null ) {
           for( int i=0; i<vs._tvars._len; i++ ) {
             sb.p(vs._flds.at(i)).p('=');
             TV2 tv2 = vs._tvars.at(i);
             if( tv2 !=null ) tv2.str(sb,bs,dups,false,0,0);
             sb.p(", ");
           }
           if( vs._tvars._len>0 ) sb.unchar(2);
         }
         sb.p(" >> ");
       }
       if( _par!=null ) sb.unchar(4);
       return sb.p("]").toString();
     }