Inheritance diagram for com.cliffc.aa.HM.HM8.Let:

Collaboration diagram for com.cliffc.aa.HM.HM8.Let:

Public Member Functions
String	p ()

final String	toString ()

Package Functions
	Let (String arg0, Syntax def, Syntax body)

void	add_work (Worklist work)

T2	debug_find ()

T2	find ()

boolean	hm (Worklist work)

T2	lookup (String name)

boolean	more_work (Worklist work)

final boolean	more_work_impl (Worklist work)

final SB	p0 (SB sb, VBitSet dups)

SB	p1 (SB sb)

SB	p2 (SB sb, VBitSet dups)

T2	post ()

T2	pre ()

void	prep_lookup_deps (Ident id)

int	prep_tree (Syntax par, VStack nongen, Worklist work)

final void	prep_tree_impl (Syntax par, VStack nongen, Worklist work, T2 t)

SB	str (SB sb)

T2	targ ()

Package Attributes
final String	_arg0

final Syntax	_body

final Syntax	_def

VStack	_nongen

Syntax	_par

T2	_post

T2	_pre

T2	_t

T2	_targ

Detailed Description

Definition at line 430 of file HM8.java.

Constructor & Destructor Documentation

◆ Let()

com.cliffc.aa.HM.HM8.Let.Let	(	String	arg0,
		Syntax	def,
		Syntax	body
	)

package

Definition at line 434 of file HM8.java.

434 { _arg0=arg0; _body=body; _def=def; _targ=T2.make_leaf(); }

References com.cliffc.aa.HM.HM8.Let._arg0, com.cliffc.aa.HM.HM8.Let._body, com.cliffc.aa.HM.HM8.Let._def, com.cliffc.aa.HM.HM8.Let._targ, and com.cliffc.aa.HM.HM8.T2.make_leaf().

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Member Function Documentation

◆ add_work()

void com.cliffc.aa.HM.HM8.Let.add_work ( Worklist work )

package

Reimplemented from com.cliffc.aa.HM.HM8.Syntax.

Definition at line 453 of file HM8.java.

                                            {
       work.push(_par);
       work.push(_body);
       work.push(_def);
       if( targ().occurs_in_type(_def.find()) ) work.addAll(_targ._deps);
     }

References com.cliffc.aa.HM.HM8.Let._body, com.cliffc.aa.HM.HM8.Let._def, com.cliffc.aa.HM.HM8.T2._deps, com.cliffc.aa.HM.HM8.Syntax._par, com.cliffc.aa.HM.HM8.Let._targ, com.cliffc.aa.HM.HM8.Worklist.addAll(), com.cliffc.aa.HM.HM8.Syntax.find(), com.cliffc.aa.HM.HM8.Worklist.push(), and com.cliffc.aa.HM.HM8.Let.targ().

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◆ debug_find()

T2 com.cliffc.aa.HM.HM8.Syntax.debug_find ( )

packageinherited

Definition at line 249 of file HM8.java.

249 { return _t.debug_find(); } // Find, without the roll-up

References com.cliffc.aa.HM.HM8.Syntax._t, and com.cliffc.aa.HM.HM8.T2.debug_find().

Referenced by com.cliffc.aa.HM.HM8.hm().

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◆ find()

T2 com.cliffc.aa.HM.HM8.Syntax.find ( )

packageinherited

Definition at line 245 of file HM8.java.

               {                 // U-F find
       T2 t = _t.find();
       return t==_t ? t : (_t=t);
     }

References com.cliffc.aa.HM.HM8.Syntax._t, and com.cliffc.aa.HM.HM8.T2.find().

Referenced by com.cliffc.aa.HM.HM8.T2._occurs_in(), com.cliffc.aa.HM.HM8.Lambda.add_work(), com.cliffc.aa.HM.HM8.Let.add_work(), com.cliffc.aa.HM.HM8.Ident.hm(), com.cliffc.aa.HM.HM8.Lambda.hm(), com.cliffc.aa.HM.HM8.Let.hm(), com.cliffc.aa.HM.HM8.Apply.hm(), com.cliffc.aa.HM.HM8.Struct.hm(), com.cliffc.aa.HM.HM8.Field.hm(), com.cliffc.aa.HM.HM8.Apply.is_if_nil(), and com.cliffc.aa.HM.HM8.Struct.prep_tree().

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◆ hm()

boolean com.cliffc.aa.HM.HM8.Let.hm ( Worklist work )

package

Reimplemented from com.cliffc.aa.HM.HM8.Syntax.

Definition at line 439 of file HM8.java.

                                         {
       boolean progress = false;
       // Let memory: pre-memory unifies with body-pre, post-memory unifies with post-body.
       progress |=       pre ().unify(_def .pre (),work);
       progress |= _def .post().unify(_body.pre (),work);
       progress |= _body.post().unify(      post(),work);
       if( work==null && progress ) return true;
  
       return targ().unify(_def.find(),work);
     }

References com.cliffc.aa.HM.HM8.Let._body, com.cliffc.aa.HM.HM8.Let._def, com.cliffc.aa.HM.HM8.Syntax.find(), com.cliffc.aa.HM.HM8.Syntax.post(), com.cliffc.aa.HM.HM8.Syntax.pre(), com.cliffc.aa.HM.HM8.Let.targ(), and com.cliffc.aa.HM.HM8.T2.unify().

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◆ lookup()

T2 com.cliffc.aa.HM.HM8.Let.lookup ( String name )

package

Reimplemented from com.cliffc.aa.HM.HM8.Syntax.

Definition at line 449 of file HM8.java.

                                      {
       if( Util.eq(_arg0,name) ) return targ();
       return _par==null ? null : _par.lookup(name);
     }

References com.cliffc.aa.HM.HM8.Let._arg0, com.cliffc.aa.HM.HM8.Syntax._par, com.cliffc.aa.util.Util.eq(), com.cliffc.aa.HM.HM8.Syntax.lookup(), and com.cliffc.aa.HM.HM8.Let.targ().

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◆ more_work()

boolean com.cliffc.aa.HM.HM8.Let.more_work ( Worklist work )

package

Reimplemented from com.cliffc.aa.HM.HM8.Syntax.

Definition at line 469 of file HM8.java.

                                                {
       if( !more_work_impl(work) ) return false;
       return _body.more_work(work) && _def.more_work(work);
     }

References com.cliffc.aa.HM.HM8.Let._body, com.cliffc.aa.HM.HM8.Let._def, com.cliffc.aa.HM.HM8.Syntax.more_work(), and com.cliffc.aa.HM.HM8.Syntax.more_work_impl().

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◆ more_work_impl()

final boolean com.cliffc.aa.HM.HM8.Syntax.more_work_impl ( Worklist work )

packageinherited

Definition at line 283 of file HM8.java.

                                                 {
       boolean no_more_work = work.has(this) || !hm(null); // Either on worklist, or no-progress
       return no_more_work;
     }

References com.cliffc.aa.HM.HM8.Worklist.has(), and com.cliffc.aa.HM.HM8.Syntax.hm().

Referenced by com.cliffc.aa.HM.HM8.Con.more_work(), com.cliffc.aa.HM.HM8.Ident.more_work(), com.cliffc.aa.HM.HM8.Lambda.more_work(), com.cliffc.aa.HM.HM8.Let.more_work(), com.cliffc.aa.HM.HM8.Apply.more_work(), com.cliffc.aa.HM.HM8.Struct.more_work(), and com.cliffc.aa.HM.HM8.Field.more_work().

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◆ p()

String com.cliffc.aa.HM.HM8.Syntax.p ( )

inherited

Definition at line 291 of file HM8.java.

291 { return p0(new SB(), new VBitSet()).toString(); }

References com.cliffc.aa.HM.HM8.Syntax.p0(), and com.cliffc.aa.util.SB.toString().

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◆ p0()

final SB com.cliffc.aa.HM.HM8.Syntax.p0	(	SB	sb,
		VBitSet	dups
	)

packageinherited

Definition at line 292 of file HM8.java.

                                      {
       _t.get_dups(dups);
       _t.str(p1(sb.i()).p(" "), new VBitSet(),dups).nl();
       return p2(sb.ii(1),dups).di(1);
     }

References com.cliffc.aa.HM.HM8.Syntax._t, com.cliffc.aa.util.SB.di(), com.cliffc.aa.HM.HM8.T2.get_dups(), com.cliffc.aa.util.SB.i(), com.cliffc.aa.util.SB.ii(), com.cliffc.aa.util.SB.nl(), com.cliffc.aa.util.SB.p(), com.cliffc.aa.HM.HM8.Syntax.p1(), com.cliffc.aa.HM.HM8.Syntax.p2(), and com.cliffc.aa.HM.HM8.T2.str().

Referenced by com.cliffc.aa.HM.HM8.Syntax.p(), com.cliffc.aa.HM.HM8.Lambda.p2(), com.cliffc.aa.HM.HM8.Let.p2(), com.cliffc.aa.HM.HM8.Apply.p2(), com.cliffc.aa.HM.HM8.Struct.p2(), and com.cliffc.aa.HM.HM8.Field.p2().

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◆ p1()

SB com.cliffc.aa.HM.HM8.Let.p1 ( SB sb )

package

Reimplemented from com.cliffc.aa.HM.HM8.Syntax.

Definition at line 436 of file HM8.java.

436 { return sb.p(_arg0).p(" = ... ; ..."); }

References com.cliffc.aa.HM.HM8.Let._arg0, and com.cliffc.aa.util.SB.p().

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◆ p2()

SB com.cliffc.aa.HM.HM8.Let.p2	(	SB	sb,
		VBitSet	dups
	)

package

Reimplemented from com.cliffc.aa.HM.HM8.Syntax.

Definition at line 437 of file HM8.java.

437 { _body.p0(sb,dups); return _def.p0(sb,dups); }

References com.cliffc.aa.HM.HM8.Let._body, com.cliffc.aa.HM.HM8.Let._def, and com.cliffc.aa.HM.HM8.Syntax.p0().

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◆ post()

T2 com.cliffc.aa.HM.HM8.Syntax.post ( )

packageinherited

Definition at line 254 of file HM8.java.

               {
       T2 t = _post.find();
       return t==_post ? t : (_post=t);
     }

References com.cliffc.aa.HM.HM8.Syntax._post, and com.cliffc.aa.HM.HM8.T2.find().

Referenced by com.cliffc.aa.HM.HM8.Lambda.hm(), com.cliffc.aa.HM.HM8.Let.hm(), com.cliffc.aa.HM.HM8.Apply.hm(), com.cliffc.aa.HM.HM8.Struct.hm(), and com.cliffc.aa.HM.HM8.Field.hm().

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◆ pre()

T2 com.cliffc.aa.HM.HM8.Syntax.pre ( )

packageinherited

Definition at line 250 of file HM8.java.

              {
       T2 t = _pre.find();
       return t==_pre ? t : (_pre=t);
     }

References com.cliffc.aa.HM.HM8.Syntax._pre, and com.cliffc.aa.HM.HM8.T2.find().

Referenced by com.cliffc.aa.HM.HM8.Lambda.hm(), com.cliffc.aa.HM.HM8.Let.hm(), com.cliffc.aa.HM.HM8.Apply.hm(), com.cliffc.aa.HM.HM8.Struct.hm(), and com.cliffc.aa.HM.HM8.Field.hm().

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◆ prep_lookup_deps()

void com.cliffc.aa.HM.HM8.Let.prep_lookup_deps ( Ident id )

package

Reimplemented from com.cliffc.aa.HM.HM8.Syntax.

Definition at line 466 of file HM8.java.

                                               {
       if( Util.eq(id._name,_arg0) ) _targ.push_update(id);
     }

References com.cliffc.aa.HM.HM8.Let._arg0, com.cliffc.aa.HM.HM8.Let._targ, com.cliffc.aa.util.Util.eq(), and com.cliffc.aa.HM.HM8.T2.push_update().

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◆ prep_tree()

int com.cliffc.aa.HM.HM8.Let.prep_tree	(	Syntax	par,
		VStack	nongen,
		Worklist	work
	)

package

Reimplemented from com.cliffc.aa.HM.HM8.Syntax.

Definition at line 459 of file HM8.java.

                                                                         {
       prep_tree_impl(par,nongen,work,_body._t);
       int cnt = _body.prep_tree(this,           nongen       ,work) +
                 _def .prep_tree(this,new VStack(nongen,_targ),work);
       _t = _body._t;            // Unify 'Let._t' with the '_body'
       return cnt+1;
     }

References com.cliffc.aa.HM.HM8.Let._body, com.cliffc.aa.HM.HM8.Let._def, com.cliffc.aa.HM.HM8.Syntax._t, com.cliffc.aa.HM.HM8.Let._targ, com.cliffc.aa.HM.HM8.Syntax.prep_tree(), and com.cliffc.aa.HM.HM8.Syntax.prep_tree_impl().

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◆ prep_tree_impl()

final void com.cliffc.aa.HM.HM8.Syntax.prep_tree_impl	(	Syntax	par,
		VStack	nongen,
		Worklist	work,
		T2	t
	)

packageinherited

Definition at line 267 of file HM8.java.

                                                                                 {
       _par=par;
       _pre = T2.make_mem();
       _t=t;
       _post = T2.make_mem();
       _nongen = nongen;
       work.push(this);
     }