/
Type.hx
211 lines (186 loc) · 6.03 KB
/
Type.hx
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
/*
* Copyright (c) 2005, The haXe Project Contributors
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE HAXE PROJECT CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE HAXE PROJECT CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
enum ValueType {
TNull;
TInt;
TFloat;
TBool;
TObject;
TFunction;
TClass( c : Class<Dynamic> );
TEnum( e : Enum<Dynamic> );
TUnknown;
}
@:core_api class Type {
public static function getClass<T>( o : T ) : Class<T> untyped {
if( o == null )
return null;
if( o.__enum__ != null )
return null;
return o.__class__;
}
public static function getEnum( o : Dynamic ) : Enum<Dynamic> untyped {
if( o == null )
return null;
return o.__enum__;
}
public static function getSuperClass( c : Class<Dynamic> ) : Class<Dynamic> untyped {
return c.__super__;
}
public static function getClassName( c : Class<Dynamic> ) : String {
var a : Array<String> = untyped c.__name__;
return a.join(".");
}
public static function getEnumName( e : Enum<Dynamic> ) : String {
var a : Array<String> = untyped e.__ename__;
return a.join(".");
}
public static function resolveClass( name : String ) : Class<Dynamic> untyped {
var cl : Class<Dynamic> = $hxClasses[name];
// ensure that this is a class
if( cl == null || cl.__name__ == null )
return null;
return cl;
}
public static function resolveEnum( name : String ) : Enum<Dynamic> untyped {
var e : Dynamic = $hxClasses[name];
// ensure that this is an enum
if( e == null || e.__ename__ == null )
return null;
return e;
}
public static function createInstance<T>( cl : Class<T>, args : Array<Dynamic> ) : T untyped {
if( args.length <= 3 )
return __new__(cl,args[0],args[1],args[2]);
if( args.length > 8 )
throw "Too many arguments";
return __new__(cl,args[0],args[1],args[2],args[3],args[4],args[5],args[6],args[7]);
}
public static function createEmptyInstance<T>( cl : Class<T> ) : T untyped {
__js__("function empty() {}; empty.prototype = cl.prototype");
return __js__("new empty()");
}
public static function createEnum<T>( e : Enum<T>, constr : String, ?params : Array<Dynamic> ) : T {
var f = Reflect.field(e,constr);
if( f == null ) throw "No such constructor "+constr;
if( Reflect.isFunction(f) ) {
if( params == null ) throw "Constructor "+constr+" need parameters";
return Reflect.callMethod(e,f,params);
}
if( params != null && params.length != 0 )
throw "Constructor "+constr+" does not need parameters";
return f;
}
public static function createEnumIndex<T>( e : Enum<T>, index : Int, ?params : Array<Dynamic> ) : T {
var c : String = (untyped e.__constructs__)[index];
if( c == null ) throw index+" is not a valid enum constructor index";
return createEnum(e,c,params);
}
public static function getInstanceFields( c : Class<Dynamic> ) : Array<String> {
var a = [];
untyped __js__("for(var i in c.prototype) a.push(i)");
a.remove("__class__");
a.remove("__properties__");
return a;
}
public static function getClassFields( c : Class<Dynamic> ) : Array<String> {
var a = Reflect.fields(c);
a.remove("__name__");
a.remove("__interfaces__");
a.remove("__properties__");
a.remove("__super__");
a.remove("prototype");
return a;
}
public static function getEnumConstructs( e : Enum<Dynamic> ) : Array<String> {
var a : Array<String> = untyped e.__constructs__;
return a.copy();
}
public static function typeof( v : Dynamic ) : ValueType untyped {
switch( __js__("typeof")(v) ) {
case "boolean": return TBool;
case "string": return TClass(String);
case "number":
// this should handle all cases : NaN, +/-Inf and Floats outside range
if( Math.ceil(v) == v%2147483648.0 )
return TInt;
return TFloat;
case "object":
if( v == null )
return TNull;
var e = v.__enum__;
if( e != null )
return TEnum(e);
var c = v.__class__;
if( c != null )
return TClass(c);
return TObject;
case "function":
if( v.__name__ != null )
return TObject;
return TFunction;
case "undefined":
return TNull;
default:
return TUnknown;
}
}
public static function enumEq<T>( a : T, b : T ) : Bool untyped {
if( a == b )
return true;
try {
if( a[0] != b[0] )
return false;
for( i in 2...a.length )
if( !enumEq(a[i],b[i]) )
return false;
var e = a.__enum__;
if( e != b.__enum__ || e == null )
return false;
} catch( e : Dynamic ) {
return false;
}
return true;
}
public inline static function enumConstructor( e : Dynamic ) : String {
return e[0];
}
public inline static function enumParameters( e : Dynamic ) : Array<Dynamic> {
return e.slice(2);
}
public inline static function enumIndex( e : Dynamic ) : Int {
return e[1];
}
public static function allEnums<T>( e : Enum<T> ) : Array<T> {
var all = [];
var cst : Array<String> = untyped e.__constructs__;
for( c in cst ) {
var v = Reflect.field(e,c);
if( !Reflect.isFunction(v) )
all.push(v);
}
return all;
}
}