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comparison core/src/luan/modules/BasicLuan.java @ 221:ec016471c6eb

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make LuanTable an interface git-svn-id: https://luan-java.googlecode.com/svn/trunk@222 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Thu, 17 Jul 2014 07:49:26 +0000
parents 75750ceb45ee
children ef39bc4d3f70
comparison
equal deleted inserted replaced
220:61afe2a1ce96 221:ec016471c6eb
20 20
21 public final class BasicLuan { 21 public final class BasicLuan {
22 22
23 public static final LuanFunction LOADER = new LuanFunction() { 23 public static final LuanFunction LOADER = new LuanFunction() {
24 @Override public Object call(LuanState luan,Object[] args) { 24 @Override public Object call(LuanState luan,Object[] args) {
25 LuanTable module = new LuanTable(); 25 LuanTable module = Luan.newTable();
26 try { 26 try {
27 module.put( "assert", new LuanJavaFunction(BasicLuan.class.getMethod("assert_",LuanState.class,Object.class,String.class),null) ); 27 module.put( "assert", new LuanJavaFunction(BasicLuan.class.getMethod("assert_",LuanState.class,Object.class,String.class),null) );
28 add( module, "assert_boolean", LuanState.class, Boolean.TYPE ); 28 add( module, "assert_boolean", LuanState.class, Boolean.TYPE );
29 add( module, "assert_nil", LuanState.class, Object.class ); 29 add( module, "assert_nil", LuanState.class, Object.class );
30 add( module, "assert_number", LuanState.class, Number.class ); 30 add( module, "assert_number", LuanState.class, Number.class );
83 public static Object do_file(LuanState luan,String fileName) throws LuanException { 83 public static Object do_file(LuanState luan,String fileName) throws LuanException {
84 LuanFunction fn = load_file(luan,fileName); 84 LuanFunction fn = load_file(luan,fileName);
85 return luan.call(fn); 85 return luan.call(fn);
86 } 86 }
87 87
88 private static LuanFunction pairs(final Iterator<Map.Entry<Object,Object>> iter) { 88 public static LuanFunction pairs(LuanState luan,final LuanTable t) throws LuanException {
89 return new LuanFunction() { 89 Utils.checkNotNull(luan,t,"table");
90 return new LuanFunction() {
91 Iterator<Map.Entry<Object,Object>> iter = t.iterator();
92
90 @Override public Object[] call(LuanState luan,Object[] args) { 93 @Override public Object[] call(LuanState luan,Object[] args) {
91 if( !iter.hasNext() ) 94 if( !iter.hasNext() )
92 return LuanFunction.NOTHING; 95 return LuanFunction.NOTHING;
93 Map.Entry<Object,Object> entry = iter.next(); 96 Map.Entry<Object,Object> entry = iter.next();
94 return new Object[]{entry.getKey(),entry.getValue()}; 97 return new Object[]{entry.getKey(),entry.getValue()};
95 } 98 }
96 }; 99 };
97 } 100 }
98 101
99 public static LuanFunction pairs(LuanState luan,LuanTable t) throws LuanException { 102 public static LuanFunction ipairs(LuanState luan,final LuanTable t) throws LuanException {
100 Utils.checkNotNull(luan,t,"table"); 103 Utils.checkNotNull(luan,t,"table");
101 return pairs( t.iterator() ); 104 return new LuanFunction() {
102 } 105 List<Object> list = t.asList();
103 106 int i = 0;
104 public static LuanFunction ipairs(LuanState luan,LuanTable t) throws LuanException { 107 final int size = list.size();
105 Utils.checkNotNull(luan,t,"table"); 108
106 return pairs( t.listIterator() ); 109 @Override public Object[] call(LuanState luan,Object[] args) {
110 if( i >= size )
111 return LuanFunction.NOTHING;
112 Object val = list.get(i++);
113 return new Object[]{i,val};
114 }
115 };
107 } 116 }
108 117
109 public static LuanTable get_metatable(LuanState luan,Object obj) { 118 public static LuanTable get_metatable(LuanState luan,Object obj) {
110 return luan.getMetatable(obj); 119 return luan.getMetatable(obj);
111 } 120 }