Mercurial Hosting > luan

annotate src/luan/lib/BasicLib.java @ 36:2a35154aec14

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
implement more basic lib functions git-svn-id: https://luan-java.googlecode.com/svn/trunk@37 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Tue, 18 Dec 2012 09:53:42 +0000
parents e51906de0f11
children 8a57ebfdfd78
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1 package luan.lib;
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
2
29
9bc66d09ea48 CmdLine improvements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
3 import java.io.File;
9bc66d09ea48 CmdLine improvements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
4 import java.io.Reader;
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 10
diff changeset
5 import java.io.FileReader;
36
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
6 import java.io.InputStreamReader;
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 10
diff changeset
7 import java.io.IOException;
19
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
8 import java.lang.reflect.Method;
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
9 import java.util.Iterator;
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
10 import java.util.Map;
2
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
11 import luan.Lua;
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 10
diff changeset
12 import luan.LuaState;
2
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
13 import luan.LuaTable;
19
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
14 import luan.LuaNumber;
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 10
diff changeset
15 import luan.LuaFunction;
2
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
16 import luan.LuaJavaFunction;
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 10
diff changeset
17 import luan.LuaException;
30
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 29
diff changeset
18 import luan.interp.LuaCompiler;
2
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
19
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
20
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
21 public class BasicLib {
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
22
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 10
diff changeset
23 public static void register(LuaState lua) {
34
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 30
diff changeset
24 LuaTable t = lua.global();
35
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 34
diff changeset
25 t.put( "_G", t );
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 34
diff changeset
26 add( t, "getmetatable", Object.class );
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 34
diff changeset
27 add( t, "ipairs", LuaTable.class );
21
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 19
diff changeset
28 add( t, "load", LuaState.class, String.class );
29
9bc66d09ea48 CmdLine improvements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
29 add( t, "loadfile", LuaState.class, String.class );
19
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
30 add( t, "pairs", LuaTable.class );
36
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
31 add( t, "print", LuaState.class, new Object[0].getClass() );
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
32 add( t, "rawequal", Object.class, Object.class );
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
33 add( t, "rawget", LuaTable.class, Object.class );
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
34 add( t, "rawlen", Object.class );
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
35 add( t, "rawset", LuaTable.class, Object.class, Object.class );
35
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 34
diff changeset
36 add( t, "setmetatable", LuaTable.class, LuaTable.class );
36
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
37 add( t, "tonumber", Object.class, Integer.class );
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
38 add( t, "tostring", LuaState.class, Object.class );
35
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 34
diff changeset
39 add( t, "type", Object.class );
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 34
diff changeset
40 t.put( "_VERSION", Lua.version );
2
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
41 }
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
42
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
43 private static void add(LuaTable t,String method,Class<?>... parameterTypes) {
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
44 try {
35
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 34
diff changeset
45 t.put( method, new LuaJavaFunction(BasicLib.class.getMethod(method,parameterTypes),null) );
2
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
46 } catch(NoSuchMethodException e) {
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
47 throw new RuntimeException(e);
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
48 }
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
49 }
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
50
36
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
51 public static void print(LuaState lua,Object... args) throws LuaException {
2
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
52 for( int i=0; i<args.length; i++ ) {
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
53 if( i > 0 )
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
54 System.out.print('\t');
36
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
55 System.out.print( lua.toString(args[i]) );
2
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
56 }
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
57 System.out.println();
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
58 }
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
59
4
24fd6381caca add to interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 3
diff changeset
60 public static String type(Object obj) {
24fd6381caca add to interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 3
diff changeset
61 return Lua.type(obj);
24fd6381caca add to interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 3
diff changeset
62 }
24fd6381caca add to interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 3
diff changeset
63
21
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 19
diff changeset
64 public static LuaFunction load(LuaState lua,String ld) throws LuaException {
30
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 29
diff changeset
65 return LuaCompiler.compile(lua,ld);
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 10
diff changeset
66 }
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 10
diff changeset
67
29
9bc66d09ea48 CmdLine improvements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
68 public static String readAll(Reader in)
9bc66d09ea48 CmdLine improvements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
69 throws IOException
9bc66d09ea48 CmdLine improvements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
70 {
9bc66d09ea48 CmdLine improvements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
71 char[] a = new char[8192];
9bc66d09ea48 CmdLine improvements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
72 StringBuilder buf = new StringBuilder();
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 10
diff changeset
73 int n;
29
9bc66d09ea48 CmdLine improvements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
74 while( (n=in.read(a)) != -1 ) {
9bc66d09ea48 CmdLine improvements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
75 buf.append(a,0,n);
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 10
diff changeset
76 }
29
9bc66d09ea48 CmdLine improvements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
77 return buf.toString();
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 10
diff changeset
78 }
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 10
diff changeset
79
29
9bc66d09ea48 CmdLine improvements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
80 public static String read(File file)
9bc66d09ea48 CmdLine improvements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
81 throws IOException
9bc66d09ea48 CmdLine improvements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
82 {
9bc66d09ea48 CmdLine improvements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
83 Reader in = new FileReader(file);
9bc66d09ea48 CmdLine improvements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
84 String s = readAll(in);
9bc66d09ea48 CmdLine improvements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
85 in.close();
9bc66d09ea48 CmdLine improvements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
86 return s;
9bc66d09ea48 CmdLine improvements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
87 }
9bc66d09ea48 CmdLine improvements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
88
9bc66d09ea48 CmdLine improvements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
89
9bc66d09ea48 CmdLine improvements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
90 public static LuaFunction loadfile(LuaState lua,String fileName) throws LuaException,IOException {
36
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
91 String src = fileName==null ? readAll(new InputStreamReader(System.in)) : read(new File(fileName));
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
92 return load(lua,src);
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
93 }
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
94
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
95 public static Object[] dofile(LuaState lua,String fileName) throws LuaException,IOException {
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
96 return loadfile(lua,fileName).call(lua);
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 10
diff changeset
97 }
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 10
diff changeset
98
19
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
99 private static class TableIter {
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
100 private final Iterator<Map.Entry<Object,Object>> iter;
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
101
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
102 TableIter(LuaTable t) {
27
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 21
diff changeset
103 this.iter = t.iterator();
19
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
104 }
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
105
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
106 public Object[] next() {
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
107 if( !iter.hasNext() )
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
108 return LuaFunction.EMPTY_RTN;
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
109 Map.Entry<Object,Object> entry = iter.next();
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
110 return new Object[]{entry.getKey(),entry.getValue()};
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
111 }
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
112 }
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
113
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
114 public static LuaFunction pairs(LuaTable t) {
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
115 try {
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
116 TableIter ti = new TableIter(t);
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
117 Method m = TableIter.class.getMethod("next");
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
118 m.setAccessible(true);
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
119 return new LuaJavaFunction(m,ti);
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
120 } catch(NoSuchMethodException e) {
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
121 throw new RuntimeException(e);
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
122 }
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
123 }
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
124
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
125 private static class ArrayIter {
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
126 private final LuaTable t;
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
127 private double i = 0.0;
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
128
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
129 ArrayIter(LuaTable t) {
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
130 this.t = t;
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
131 }
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
132
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
133 public Object[] next() {
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
134 LuaNumber n = new LuaNumber(++i);
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
135 Object val = t.get(n);
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
136 return val==null ? LuaFunction.EMPTY_RTN : new Object[]{n,val};
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
137 }
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
138 }
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
139
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
140 public static LuaFunction ipairs(LuaTable t) {
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
141 try {
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
142 ArrayIter ai = new ArrayIter(t);
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
143 Method m = ArrayIter.class.getMethod("next");
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
144 m.setAccessible(true);
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
145 return new LuaJavaFunction(m,ai);
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
146 } catch(NoSuchMethodException e) {
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
147 throw new RuntimeException(e);
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
148 }
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 14
diff changeset
149 }
35
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 34
diff changeset
150
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 34
diff changeset
151 public static LuaTable getmetatable(Object obj) {
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 34
diff changeset
152 return Lua.getMetatable(obj);
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 34
diff changeset
153 }
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 34
diff changeset
154
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 34
diff changeset
155 public static LuaTable setmetatable(LuaTable table,LuaTable metatable) {
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 34
diff changeset
156 table.setMetatable(metatable);
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 34
diff changeset
157 return table;
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 34
diff changeset
158 }
36
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
159
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
160 public static boolean rawequal(Object v1,Object v2) {
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
161 return v1 == v2 || v1 != null && v1.equals(v2);
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
162 }
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
163
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
164 public static Object rawget(LuaTable table,Object index) {
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
165 return table.get(index);
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
166 }
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
167
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
168 public static LuaTable rawset(LuaTable table,Object index,Object value) {
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
169 table.put(index,value);
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
170 return table;
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
171 }
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
172
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
173 public static int rawlen(Object v) throws LuaException {
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
174 if( v instanceof String ) {
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
175 String s = (String)v;
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
176 return s.length();
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
177 }
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
178 if( v instanceof LuaTable ) {
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
179 LuaTable t = (LuaTable)v;
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
180 return t.length();
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
181 }
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
182 throw new LuaException( "bad argument #1 to 'rawlen' (table or string expected)" );
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
183 }
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
184
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
185 public static LuaNumber tonumber(Object e,Integer base) {
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
186 return Lua.toNumber(e,base);
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
187 }
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
188
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
189 public static String tostring(LuaState lua,Object v) throws LuaException {
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
190 return lua.toString(v);
2a35154aec14 implement more basic lib functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
191 }
2
4da26b11d12a start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
192 }