Mercurial Hosting > luan

annotate core/src/luan/impl/EqExpr.java @ 443:bf5e62a9090c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
remove toBoolean() and to_boolean()
author Franklin Schmidt <fschmidt@gmail.com>
date Mon, 04 May 2015 14:55:51 -0600
parents 23a93c118042
children b48cfa14ba60
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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;
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
2
363
17b02b56d806 fix LuanPropertyTable.asMap();
Franklin Schmidt <fschmidt@gmail.com>
parents: 191
diff changeset
3 import java.util.Arrays;
48
64ecb7a3aad7 rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 46
diff changeset
4 import luan.Luan;
64ecb7a3aad7 rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 46
diff changeset
5 import luan.LuanFunction;
64ecb7a3aad7 rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 46
diff changeset
6 import luan.LuanTable;
64ecb7a3aad7 rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 46
diff changeset
7 import luan.LuanException;
64ecb7a3aad7 rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 46
diff changeset
8 import luan.LuanSource;
88
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 55
diff changeset
9 import luan.LuanBit;
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
10
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
11
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
12 final class EqExpr extends BinaryOpExpr {
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
13
48
64ecb7a3aad7 rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 46
diff changeset
14 EqExpr(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
15 super(se,op1,op2);
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
16 }
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
17
49
8ede219cd111 add WebShell
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 48
diff changeset
18 @Override public Object eval(LuanStateImpl luan) throws LuanException {
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
19 return eq(luan);
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
20 }
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
21
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
22 private boolean eq(LuanStateImpl luan) throws LuanException {
49
8ede219cd111 add WebShell
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 48
diff changeset
23 Object o1 = op1.eval(luan);
8ede219cd111 add WebShell
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 48
diff changeset
24 Object o2 = op2.eval(luan);
35
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 31
diff changeset
25 if( o1 == o2 || o1 != null && o1.equals(o2) )
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 31
diff changeset
26 return true;
46
a443637829c1 remove LuaNumber
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 40
diff changeset
27 if( o1 instanceof Number && o2 instanceof Number ) {
a443637829c1 remove LuaNumber
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 40
diff changeset
28 Number n1 = (Number)o1;
a443637829c1 remove LuaNumber
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 40
diff changeset
29 Number n2 = (Number)o2;
a443637829c1 remove LuaNumber
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 40
diff changeset
30 return n1.doubleValue() == n2.doubleValue();
a443637829c1 remove LuaNumber
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 40
diff changeset
31 }
363
17b02b56d806 fix LuanPropertyTable.asMap();
Franklin Schmidt <fschmidt@gmail.com>
parents: 191
diff changeset
32 if( o1 instanceof byte[] && o2 instanceof byte[] ) {
17b02b56d806 fix LuanPropertyTable.asMap();
Franklin Schmidt <fschmidt@gmail.com>
parents: 191
diff changeset
33 byte[] b1 = (byte[])o1;
17b02b56d806 fix LuanPropertyTable.asMap();
Franklin Schmidt <fschmidt@gmail.com>
parents: 191
diff changeset
34 byte[] b2 = (byte[])o2;
17b02b56d806 fix LuanPropertyTable.asMap();
Franklin Schmidt <fschmidt@gmail.com>
parents: 191
diff changeset
35 return Arrays.equals(b1,b2);
17b02b56d806 fix LuanPropertyTable.asMap();
Franklin Schmidt <fschmidt@gmail.com>
parents: 191
diff changeset
36 }
404
d55e873e1f0d metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents: 363
diff changeset
37 if( !(o1 instanceof LuanTable && o2 instanceof LuanTable) )
35
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 31
diff changeset
38 return false;
404
d55e873e1f0d metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents: 363
diff changeset
39 LuanTable t1 = (LuanTable)o1;
d55e873e1f0d metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents: 363
diff changeset
40 LuanTable t2 = (LuanTable)o2;
d55e873e1f0d metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents: 363
diff changeset
41 LuanTable mt1 = t1.getMetatable();
d55e873e1f0d metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents: 363
diff changeset
42 LuanTable mt2 = t2.getMetatable();
35
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 31
diff changeset
43 if( mt1==null || mt2==null )
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 31
diff changeset
44 return false;
426
23a93c118042 fix LuanTable.get() to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 404
diff changeset
45 Object f = mt1.rawGet("__eq");
23a93c118042 fix LuanTable.get() to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 404
diff changeset
46 if( f == null || !f.equals(mt2.rawGet("__eq")) )
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
47 return false;
88
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 55
diff changeset
48 LuanBit bit = luan.bit(se);
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 55
diff changeset
49 LuanFunction fn = bit.checkFunction(f);
443
bf5e62a9090c remove toBoolean() and to_boolean()
Franklin Schmidt <fschmidt@gmail.com>
parents: 426
diff changeset
50 return bit.checkBoolean( Luan.first(bit.call(fn,"__eq",new Object[]{o1,o2})) );
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
51 }
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
52
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
53 @Override public String toString() {
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
54 return "(EqExpr "+op1+" "+op2+")";
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
55 }
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
56 }