js/src/builtin/Eval.h

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1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2 * vim: set ts=8 sts=4 et sw=4 tw=99:
3 * This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6
7 #ifndef builtin_Eval_h
8 #define builtin_Eval_h
9
10 #include "jsbytecode.h"
11 #include "NamespaceImports.h"
12
13 namespace js {
14
15 // The C++ native for 'eval' (ES5 15.1.2.1). The function is named "indirect
16 // eval" because "direct eval" calls (as defined by the spec) will emit
17 // JSOP_EVAL which in turn calls DirectEval. Thus, even though IndirectEval is
18 // the callee function object for *all* calls to eval, it is by construction
19 // only ever called in the case indirect eval.
20 extern bool
21 IndirectEval(JSContext *cx, unsigned argc, Value *vp);
22
23 // Performs a direct eval for the given arguments, which must correspond to the
24 // currently-executing stack frame, which must be a script frame. On completion
25 // the result is returned in args.rval.
26 extern bool
27 DirectEval(JSContext *cx, const CallArgs &args);
28
29 // Performs a direct eval called from Ion code.
30 extern bool
31 DirectEvalStringFromIon(JSContext *cx,
32 HandleObject scopeObj, HandleScript callerScript,
33 HandleValue thisValue, HandleString str,
34 jsbytecode * pc, MutableHandleValue vp);
35 extern bool
36 DirectEvalValueFromIon(JSContext *cx,
37 HandleObject scopeObj, HandleScript callerScript,
38 HandleValue thisValue, HandleValue evalArg,
39 jsbytecode * pc, MutableHandleValue vp);
40
41 // True iff fun is a built-in eval function.
42 extern bool
43 IsAnyBuiltinEval(JSFunction *fun);
44
45 } // namespace js
46 #endif /* builtin_Eval_h */

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