Mercurial Hosting > luan

annotate core/src/luan/LuanBit.java @ 446:bbad2d06f728

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
remove automatic conversion from string to number
author Franklin Schmidt <fschmidt@gmail.com>
date Mon, 04 May 2015 16:21:17 -0600
parents bf5e62a9090c
children 30544d1a9cbf
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
88
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1 package luan;
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
2
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
3 import java.util.List;
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
4
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
5
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
6 public final class LuanBit {
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
7 public final LuanState luan;
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
8 public final LuanElement el;
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
9
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
10 LuanBit(LuanState luan,LuanElement el) {
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
11 this.luan = luan;
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
12 this.el = el;
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
13 }
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
14
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
15 public LuanException exception(Object msg) {
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
16 return new LuanException(this,msg);
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
17 }
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
18
132
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 130
diff changeset
19 public String stackTrace() {
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 130
diff changeset
20 StringBuilder buf = new StringBuilder();
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 130
diff changeset
21 LuanElement el = this.el;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 130
diff changeset
22 for( int i = luan.stackTrace.size() - 1; i>=0; i-- ) {
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 130
diff changeset
23 StackTraceElement stackTraceElement = luan.stackTrace.get(i);
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 130
diff changeset
24 buf.append( "\n\t" ).append( el.toString(stackTraceElement.fnName) );
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 130
diff changeset
25 el = stackTraceElement.call;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 130
diff changeset
26 }
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 130
diff changeset
27 return buf.toString();
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 130
diff changeset
28 }
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 130
diff changeset
29
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 130
diff changeset
30 public void dumpStack() {
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 130
diff changeset
31 System.err.println( stackTrace() );
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 130
diff changeset
32 }
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 130
diff changeset
33
112
f5af13062b10 fix previous rev
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 111
diff changeset
34 public Object call(LuanFunction fn,String fnName,Object[] args) throws LuanException {
88
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
35 List<StackTraceElement> stackTrace = luan.stackTrace;
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
36 stackTrace.add( new StackTraceElement(el,fnName) );
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
37 try {
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
38 return fn.call(luan,args);
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
39 } finally {
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
40 stackTrace.remove(stackTrace.size()-1);
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
41 }
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
42 }
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
43
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
44 public String checkString(Object obj) throws LuanException {
440
93e6e67768d7 remove Luan.asString()
Franklin Schmidt <fschmidt@gmail.com>
parents: 430
diff changeset
45 if( obj instanceof String )
93e6e67768d7 remove Luan.asString()
Franklin Schmidt <fschmidt@gmail.com>
parents: 430
diff changeset
46 return (String)obj;
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
47 if( el instanceof LuanSource.Element ) {
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
48 LuanSource.Element se = (LuanSource.Element)el;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
49 throw exception( "attempt to use '"+se.text()+"' (a " + Luan.type(obj) + " value) as a string" );
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
50 } else {
88
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
51 throw exception( "attempt to use a " + Luan.type(obj) + " as a string" );
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
52 }
88
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
53 }
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
54
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
55 public Number checkNumber(Object obj) throws LuanException {
446
bbad2d06f728 remove automatic conversion from string to number
Franklin Schmidt <fschmidt@gmail.com>
parents: 443
diff changeset
56 if( obj instanceof Number )
bbad2d06f728 remove automatic conversion from string to number
Franklin Schmidt <fschmidt@gmail.com>
parents: 443
diff changeset
57 return (Number)obj;
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
58 if( el instanceof LuanSource.Element ) {
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
59 LuanSource.Element se = (LuanSource.Element)el;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
60 throw exception( "attempt to perform arithmetic on '"+se.text()+"' (a " + Luan.type(obj) + " value)" );
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
61 } else {
88
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
62 throw exception( "attempt to perform arithmetic on a " + Luan.type(obj) + " value" );
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
63 }
88
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
64 }
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
65
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
66 public LuanFunction checkFunction(Object obj) throws LuanException {
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
67 if( obj instanceof LuanFunction )
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
68 return (LuanFunction)obj;
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
69 if( el instanceof LuanSource.Element ) {
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
70 LuanSource.Element se = (LuanSource.Element)el;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
71 throw exception( "attempt to call '"+se.text()+"' (a " + Luan.type(obj) + " value)" );
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
72 } else {
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
73 throw exception( "attempt to call a " + Luan.type(obj) + " value" );
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
74 }
88
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
75 }
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
76
151
c9100f29fae0 conditions must be type boolean
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 132
diff changeset
77 public Boolean checkBoolean(Object obj) throws LuanException {
c9100f29fae0 conditions must be type boolean
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 132
diff changeset
78 if( obj instanceof Boolean )
c9100f29fae0 conditions must be type boolean
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 132
diff changeset
79 return (Boolean)obj;
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
80 if( el instanceof LuanSource.Element ) {
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
81 LuanSource.Element se = (LuanSource.Element)el;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
82 throw exception( "attempt to use '"+se.text()+"' (a " + Luan.type(obj) + " value) as a boolean" );
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
83 } else {
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
84 throw exception( "attempt to use a " + Luan.type(obj) + " as a boolean" );
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
85 }
151
c9100f29fae0 conditions must be type boolean
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 132
diff changeset
86 }
c9100f29fae0 conditions must be type boolean
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 132
diff changeset
87
88
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
88 public String toString(Object obj) throws LuanException {
404
d55e873e1f0d metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents: 191
diff changeset
89 if( obj instanceof LuanTable ) {
416
91af5337b9ae add LuanMeta.__tostring()
Franklin Schmidt <fschmidt@gmail.com>
parents: 404
diff changeset
90 LuanTable tbl = (LuanTable)obj;
430
f28320fd671d fix LuanTable.toString() to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 429
diff changeset
91 return tbl.toString(luan);
404
d55e873e1f0d metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents: 191
diff changeset
92 }
430
f28320fd671d fix LuanTable.toString() to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 429
diff changeset
93 if( obj == null )
f28320fd671d fix LuanTable.toString() to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 429
diff changeset
94 return "nil";
f28320fd671d fix LuanTable.toString() to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 429
diff changeset
95 if( obj instanceof Number )
f28320fd671d fix LuanTable.toString() to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 429
diff changeset
96 return Luan.toString((Number)obj);
f28320fd671d fix LuanTable.toString() to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 429
diff changeset
97 if( obj instanceof LuanException ) {
f28320fd671d fix LuanTable.toString() to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 429
diff changeset
98 LuanException le = (LuanException)obj;
f28320fd671d fix LuanTable.toString() to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 429
diff changeset
99 return le.getFullMessage();
f28320fd671d fix LuanTable.toString() to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 429
diff changeset
100 }
f28320fd671d fix LuanTable.toString() to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 429
diff changeset
101 if( obj instanceof byte[] )
f28320fd671d fix LuanTable.toString() to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 429
diff changeset
102 return "binary: " + Integer.toHexString(obj.hashCode());
f28320fd671d fix LuanTable.toString() to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 429
diff changeset
103 return obj.toString();
88
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
104 }
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
105
404
d55e873e1f0d metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents: 191
diff changeset
106 public LuanFunction getHandlerFunction(String op,LuanTable t) throws LuanException {
419
8fbb961aabd5 improve repr() to check metamethod recursively
Franklin Schmidt <fschmidt@gmail.com>
parents: 416
diff changeset
107 Object f = t.getHandler(op);
88
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
108 if( f == null )
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
109 return null;
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
110 return checkFunction(f);
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
111 }
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
112
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
113 public LuanFunction getBinHandler(String op,Object o1,Object o2) throws LuanException {
404
d55e873e1f0d metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents: 191
diff changeset
114 if( o1 instanceof LuanTable ) {
d55e873e1f0d metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents: 191
diff changeset
115 LuanFunction f1 = getHandlerFunction(op,(LuanTable)o1);
d55e873e1f0d metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents: 191
diff changeset
116 if( f1 != null )
d55e873e1f0d metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents: 191
diff changeset
117 return f1;
d55e873e1f0d metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents: 191
diff changeset
118 }
d55e873e1f0d metatables now only apply to tables
Franklin Schmidt <fschmidt@gmail.com>
parents: 191
diff changeset
119 return o2 instanceof LuanTable ? getHandlerFunction(op,(LuanTable)o2) : null;
88
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
120 }
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
121
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
122 public boolean isLessThan(Object o1,Object o2) throws LuanException {
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
123 if( o1 instanceof Number && o2 instanceof Number ) {
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
124 Number n1 = (Number)o1;
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
125 Number n2 = (Number)o2;
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
126 return n1.doubleValue() < n2.doubleValue();
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
127 }
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
128 if( o1 instanceof String && o2 instanceof String ) {
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
129 String s1 = (String)o1;
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
130 String s2 = (String)o2;
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
131 return s1.compareTo(s2) < 0;
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
132 }
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
133 LuanFunction fn = getBinHandler("__lt",o1,o2);
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
134 if( fn != null )
443
bf5e62a9090c remove toBoolean() and to_boolean()
Franklin Schmidt <fschmidt@gmail.com>
parents: 440
diff changeset
135 return checkBoolean( Luan.first(call(fn,"__lt",new Object[]{o1,o2})) );
88
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
136 throw exception( "attempt to compare " + Luan.type(o1) + " with " + Luan.type(o2) );
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
137 }
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
138
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
139 public Object arithmetic(String op,Object o1,Object o2) throws LuanException {
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
140 LuanFunction fn = getBinHandler(op,o1,o2);
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
141 if( fn != null )
112
f5af13062b10 fix previous rev
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 111
diff changeset
142 return Luan.first(call(fn,op,new Object[]{o1,o2}));
446
bbad2d06f728 remove automatic conversion from string to number
Franklin Schmidt <fschmidt@gmail.com>
parents: 443
diff changeset
143 String type = !(o1 instanceof Number) ? Luan.type(o1) : Luan.type(o2);
88
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
144 throw exception("attempt to perform arithmetic on a "+type+" value");
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
145 }
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
146
6ca02b188dba add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
147 }