1 /*
2 * Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
3 * Copyright (C) 2003, 2007, 2008 Apple Inc. All Rights Reserved.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 *
19 */
20
21 #include "config.h"
22 #include "RegExpPrototype.h"
23
24 #include "ArrayPrototype.h"
25 #include "JSArray.h"
26 #include "JSFunction.h"
27 #include "JSObject.h"
28 #include "JSString.h"
29 #include "JSValue.h"
30 #include "ObjectPrototype.h"
31 #include "PrototypeFunction.h"
32 #include "RegExpObject.h"
33 #include "RegExp.h"
34
35 namespace JSC {
36
37 ASSERT_CLASS_FITS_IN_CELL(RegExpPrototype);
38
39 static JSValue JSC_HOST_CALL regExpProtoFuncTest(ExecState*, JSObject*, JSValue, const ArgList&);
40 static JSValue JSC_HOST_CALL regExpProtoFuncExec(ExecState*, JSObject*, JSValue, const ArgList&);
41 static JSValue JSC_HOST_CALL regExpProtoFuncCompile(ExecState*, JSObject*, JSValue, const ArgList&);
42 static JSValue JSC_HOST_CALL regExpProtoFuncToString(ExecState*, JSObject*, JSValue, const ArgList&);
43
44 // ECMA 15.10.5
45
46 const ClassInfo RegExpPrototype::info = { "RegExpPrototype", 0, 0, 0 };
47
RegExpPrototype(ExecState * exec,PassRefPtr<Structure> structure,Structure * prototypeFunctionStructure)48 RegExpPrototype::RegExpPrototype(ExecState* exec, PassRefPtr<Structure> structure, Structure* prototypeFunctionStructure)
49 : JSObject(structure)
50 {
51 putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, prototypeFunctionStructure, 0, exec->propertyNames().compile, regExpProtoFuncCompile), DontEnum);
52 putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, prototypeFunctionStructure, 0, exec->propertyNames().exec, regExpProtoFuncExec), DontEnum);
53 putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, prototypeFunctionStructure, 0, exec->propertyNames().test, regExpProtoFuncTest), DontEnum);
54 putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, prototypeFunctionStructure, 0, exec->propertyNames().toString, regExpProtoFuncToString), DontEnum);
55 }
56
57 // ------------------------------ Functions ---------------------------
58
regExpProtoFuncTest(ExecState * exec,JSObject *,JSValue thisValue,const ArgList & args)59 JSValue JSC_HOST_CALL regExpProtoFuncTest(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)
60 {
61 if (!thisValue.isObject(&RegExpObject::info))
62 return throwError(exec, TypeError);
63 return asRegExpObject(thisValue)->test(exec, args);
64 }
65
regExpProtoFuncExec(ExecState * exec,JSObject *,JSValue thisValue,const ArgList & args)66 JSValue JSC_HOST_CALL regExpProtoFuncExec(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)
67 {
68 if (!thisValue.isObject(&RegExpObject::info))
69 return throwError(exec, TypeError);
70 return asRegExpObject(thisValue)->exec(exec, args);
71 }
72
regExpProtoFuncCompile(ExecState * exec,JSObject *,JSValue thisValue,const ArgList & args)73 JSValue JSC_HOST_CALL regExpProtoFuncCompile(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)
74 {
75 if (!thisValue.isObject(&RegExpObject::info))
76 return throwError(exec, TypeError);
77
78 RefPtr<RegExp> regExp;
79 JSValue arg0 = args.at(0);
80 JSValue arg1 = args.at(1);
81
82 if (arg0.isObject(&RegExpObject::info)) {
83 if (!arg1.isUndefined())
84 return throwError(exec, TypeError, "Cannot supply flags when constructing one RegExp from another.");
85 regExp = asRegExpObject(arg0)->regExp();
86 } else {
87 UString pattern = args.isEmpty() ? UString("") : arg0.toString(exec);
88 UString flags = arg1.isUndefined() ? UString("") : arg1.toString(exec);
89 regExp = RegExp::create(&exec->globalData(), pattern, flags);
90 }
91
92 if (!regExp->isValid())
93 return throwError(exec, SyntaxError, UString("Invalid regular expression: ").append(regExp->errorMessage()));
94
95 asRegExpObject(thisValue)->setRegExp(regExp.release());
96 asRegExpObject(thisValue)->setLastIndex(0);
97 return jsUndefined();
98 }
99
regExpProtoFuncToString(ExecState * exec,JSObject *,JSValue thisValue,const ArgList &)100 JSValue JSC_HOST_CALL regExpProtoFuncToString(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
101 {
102 if (!thisValue.isObject(&RegExpObject::info)) {
103 if (thisValue.isObject(&RegExpPrototype::info))
104 return jsNontrivialString(exec, "//");
105 return throwError(exec, TypeError);
106 }
107
108 UString result = "/" + asRegExpObject(thisValue)->get(exec, exec->propertyNames().source).toString(exec);
109 result.append('/');
110 if (asRegExpObject(thisValue)->get(exec, exec->propertyNames().global).toBoolean(exec))
111 result.append('g');
112 if (asRegExpObject(thisValue)->get(exec, exec->propertyNames().ignoreCase).toBoolean(exec))
113 result.append('i');
114 if (asRegExpObject(thisValue)->get(exec, exec->propertyNames().multiline).toBoolean(exec))
115 result.append('m');
116 return jsNontrivialString(exec, result);
117 }
118
119 } // namespace JSC
120