Mercurial Hosting > luan

comparison src/luan/LuanTable.java @ 1561:e1a13e707bf3

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
start immutable
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 05 Nov 2020 20:24:09 -0700
parents d4407e8de707
children b89212fd04b5
comparison
equal deleted inserted replaced
1560:33a53c43e2f7 1561:e1a13e707bf3
19 private List list = null; 19 private List list = null;
20 private LuanTable metatable = null; 20 private LuanTable metatable = null;
21 public LuanClosure closure; 21 public LuanClosure closure;
22 private LuanCloner cloner; 22 private LuanCloner cloner;
23 private String security = null; 23 private String security = null;
24 private boolean immutable = false;
24 25
25 public LuanTable(Luan luan) { 26 public LuanTable(Luan luan) {
26 this.luan = luan; 27 this.luan = luan;
27 } 28 }
28 29
29 public LuanTable(Luan luan,List list){ 30 public LuanTable(Luan luan,List list) {
30 this.luan = luan; 31 this.luan = luan;
31 list(); 32 list();
32 int n = list.size(); 33 int n = list.size();
33 for( int i=0; i<n; i++ ) { 34 for( int i=0; i<n; i++ ) {
34 Object val = list.get(i); 35 Object val = list.get(i);
46 if( key != null && value != null ) 47 if( key != null && value != null )
47 rawPut2(key,value); 48 rawPut2(key,value);
48 } 49 }
49 } 50 }
50 51
51 public LuanTable(Luan luan,Set set){ 52 public LuanTable(Luan luan,Set set) {
52 this.luan = luan; 53 this.luan = luan;
53 for( Object el : set ) { 54 for( Object el : set ) {
54 if( el != null ) 55 if( el != null )
55 rawPut2(el,Boolean.TRUE); 56 rawPut2(el,Boolean.TRUE);
56 } 57 }
64 this.list = new ArrayList<Object>(tbl.list); 65 this.list = new ArrayList<Object>(tbl.list);
65 this.metatable = tbl.metatable; 66 this.metatable = tbl.metatable;
66 } 67 }
67 68
68 @Override public LuanTable shallowClone() { 69 @Override public LuanTable shallowClone() {
70 if(immutable) throw new RuntimeException();
69 return new LuanTable(luan); 71 return new LuanTable(luan);
70 } 72 }
71 73
72 @Override public void deepenClone(LuanCloneable dc,LuanCloner cloner) { 74 @Override public void deepenClone(LuanCloneable dc,LuanCloner cloner) {
73 check(); 75 check();
99 return luan; 101 return luan;
100 } 102 }
101 103
102 private void completeClone(LuanTable clone,LuanCloner cloner) { 104 private void completeClone(LuanTable clone,LuanCloner cloner) {
103 clone.luan = (Luan)cloner.clone(luan); 105 clone.luan = (Luan)cloner.clone(luan);
104 if( map != null ) { 106 clone.map = cloner.clone(map);
105 Map newMap = newMap(); 107 clone.list = (List)cloner.clone(list);
106 for( Object stupid : map.entrySet() ) {
107 Map.Entry entry = (Map.Entry)stupid;
108 newMap.put( cloner.get(entry.getKey()), cloner.get(entry.getValue()) );
109 }
110 clone.map = newMap;
111 }
112 if( list != null ) {
113 List newList = new ArrayList<Object>();
114 for( Object obj : list ) {
115 newList.add(cloner.get(obj));
116 }
117 clone.list = newList;
118 }
119 clone.metatable = (LuanTable)cloner.clone(metatable); 108 clone.metatable = (LuanTable)cloner.clone(metatable);
120 clone.closure = (LuanClosure)cloner.clone(closure); 109 clone.closure = (LuanClosure)cloner.clone(closure);
110 }
111
112 @Override public void makeImmutable(LuanImmutabler immutabler) throws LuanException {
113 check();
114 immutabler.makeImmutable(luan);
115 immutabler.makeImmutable(map);
116 immutabler.makeImmutable(list);
117 immutabler.makeImmutable(metatable);
118 immutabler.makeImmutable(closure);
119 immutable = true;
121 } 120 }
122 121
123 public boolean isList() { 122 public boolean isList() {
124 return map==null || map.isEmpty(); 123 return map==null || map.isEmpty();
125 } 124 }
201 } 200 }
202 throw new LuanException("invalid type "+Luan.type(h)+" for metamethod __new_index"); 201 throw new LuanException("invalid type "+Luan.type(h)+" for metamethod __new_index");
203 } 202 }
204 203
205 public Object rawPut(Object key,Object val) throws LuanException { 204 public Object rawPut(Object key,Object val) throws LuanException {
205 if( immutable )
206 throw new LuanException("table is immutable");
206 if( security != null ) 207 if( security != null )
207 Luan.checkSecurity(luan,"table",security,"put",key,val); 208 Luan.checkSecurity(luan,"table",security,"put",key,val);
208 return rawPut2(key,val); 209 return rawPut2(key,val);
209 } 210 }
210 211
477 public Object getHandler(String op) throws LuanException { 478 public Object getHandler(String op) throws LuanException {
478 check(); 479 check();
479 return metatable==null ? null : metatable.get(op); 480 return metatable==null ? null : metatable.get(op);
480 } 481 }
481 482
482 private Map<Object,Object> newMap() { 483 private static Map<Object,Object> newMap() {
483 return new LinkedHashMap<Object,Object>(); 484 return new LinkedHashMap<Object,Object>();
484 } 485 }
485 486
486 public boolean isSet() throws LuanException { 487 public boolean isSet() throws LuanException {
487 for( Map.Entry<Object,Object> entry : iterable() ) { 488 for( Map.Entry<Object,Object> entry : iterable() ) {
533 if( list != null ) 534 if( list != null )
534 n += list.size(); 535 n += list.size();
535 return n; 536 return n;
536 } 537 }
537 538
538 public Object remove(Object key) { 539 public Object remove(Object key) throws LuanException {
540 if( immutable )
541 throw new LuanException("table is immutable");
539 Object old = rawGet(key); 542 Object old = rawGet(key);
540 rawPut2(key,null); 543 rawPut2(key,null);
541 return old; 544 return old;
542 } 545 }
543 546