Mercurial Hosting > luan
annotate core/src/luan/impl/IndexExpr.java @ 407:7fd9f1b7b878
replace LuanPropertyTable with LuanPropertyMeta
author | Franklin Schmidt <fschmidt@gmail.com> |
---|---|
date | Wed, 29 Apr 2015 13:01:00 -0600 |
parents | 3e68917a0dc6 |
children | 8fbb961aabd5 |
rev | line source |
---|---|
166
4eaee12f6c65
move luan/interp to impl
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
112
diff
changeset
|
1 package luan.impl; |
35
e51906de0f11
implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
2 |
48
64ecb7a3aad7
rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
40
diff
changeset
|
3 import luan.Luan; |
64ecb7a3aad7
rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
40
diff
changeset
|
4 import luan.LuanException; |
64ecb7a3aad7
rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
40
diff
changeset
|
5 import luan.LuanTable; |
64ecb7a3aad7
rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
40
diff
changeset
|
6 import luan.LuanFunction; |
64ecb7a3aad7
rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
40
diff
changeset
|
7 import luan.LuanSource; |
405 | 8 import luan.LuanMeta; |
404
d55e873e1f0d
metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents:
171
diff
changeset
|
9 import luan.modules.StringLuan; |
d55e873e1f0d
metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents:
171
diff
changeset
|
10 import luan.modules.BinaryLuan; |
d55e873e1f0d
metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents:
171
diff
changeset
|
11 import luan.modules.JavaLuan; |
35
e51906de0f11
implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
12 |
e51906de0f11
implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
13 |
e51906de0f11
implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
14 final class IndexExpr extends BinaryOpExpr { |
e51906de0f11
implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
15 |
48
64ecb7a3aad7
rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
40
diff
changeset
|
16 IndexExpr(LuanSource.Element se,Expr op1,Expr op2) { |
40
e3624b7cd603
implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
37
diff
changeset
|
17 super(se,op1,op2); |
35
e51906de0f11
implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
18 } |
e51906de0f11
implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
19 |
49
8ede219cd111
add WebShell
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
48
diff
changeset
|
20 @Override public Object eval(LuanStateImpl luan) throws LuanException { |
8ede219cd111
add WebShell
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
48
diff
changeset
|
21 return index(luan,op1.eval(luan),op2.eval(luan)); |
35
e51906de0f11
implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
22 } |
e51906de0f11
implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
23 |
404
d55e873e1f0d
metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents:
171
diff
changeset
|
24 private Object index(LuanStateImpl luan,Object obj,Object key) throws LuanException { |
d55e873e1f0d
metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents:
171
diff
changeset
|
25 if( obj instanceof LuanTable ) { |
d55e873e1f0d
metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents:
171
diff
changeset
|
26 LuanTable tbl = (LuanTable)obj; |
35
e51906de0f11
implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
27 Object value = tbl.get(key); |
e51906de0f11
implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
28 if( value != null ) |
e51906de0f11
implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
29 return value; |
404
d55e873e1f0d
metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents:
171
diff
changeset
|
30 Object h = luan.getHandler("__index",tbl); |
35
e51906de0f11
implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
31 if( h==null ) |
e51906de0f11
implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
32 return null; |
404
d55e873e1f0d
metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents:
171
diff
changeset
|
33 if( h instanceof LuanFunction ) { |
d55e873e1f0d
metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents:
171
diff
changeset
|
34 LuanFunction fn = (LuanFunction)h; |
d55e873e1f0d
metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents:
171
diff
changeset
|
35 return Luan.first(luan.bit(se).call(fn,"__index",new Object[]{tbl,key})); |
d55e873e1f0d
metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents:
171
diff
changeset
|
36 } |
405 | 37 if( h instanceof LuanMeta ) { |
38 LuanMeta meta = (LuanMeta)h; | |
39 return meta.__index(luan,tbl,key); | |
40 } | |
404
d55e873e1f0d
metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents:
171
diff
changeset
|
41 return index(luan,h,key); |
35
e51906de0f11
implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
42 } |
404
d55e873e1f0d
metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents:
171
diff
changeset
|
43 if( obj instanceof String ) |
d55e873e1f0d
metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents:
171
diff
changeset
|
44 return StringLuan.__index(luan,(String)obj,key); |
d55e873e1f0d
metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents:
171
diff
changeset
|
45 if( obj instanceof byte[] ) |
d55e873e1f0d
metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents:
171
diff
changeset
|
46 return BinaryLuan.__index(luan,(byte[])obj,key); |
407
7fd9f1b7b878
replace LuanPropertyTable with LuanPropertyMeta
Franklin Schmidt <fschmidt@gmail.com>
parents:
405
diff
changeset
|
47 if( obj != null ) { |
7fd9f1b7b878
replace LuanPropertyTable with LuanPropertyMeta
Franklin Schmidt <fschmidt@gmail.com>
parents:
405
diff
changeset
|
48 Object value = JavaLuan.__index(luan,obj,key); |
7fd9f1b7b878
replace LuanPropertyTable with LuanPropertyMeta
Franklin Schmidt <fschmidt@gmail.com>
parents:
405
diff
changeset
|
49 if( value != null ) |
7fd9f1b7b878
replace LuanPropertyTable with LuanPropertyMeta
Franklin Schmidt <fschmidt@gmail.com>
parents:
405
diff
changeset
|
50 return value; |
7fd9f1b7b878
replace LuanPropertyTable with LuanPropertyMeta
Franklin Schmidt <fschmidt@gmail.com>
parents:
405
diff
changeset
|
51 } |
404
d55e873e1f0d
metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents:
171
diff
changeset
|
52 throw luan.bit(op1.se()).exception( "attempt to index '"+op1.se().text()+"' (a " + Luan.type(obj) + " value)" ); |
35
e51906de0f11
implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
53 } |
e51906de0f11
implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
54 } |