blob: d0e36ba104e629bab447eb2f343cb65f4c3323f1 (
plain)
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
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef jit_BaselineFrame_inl_h
#define jit_BaselineFrame_inl_h
#include "jit/BaselineFrame.h"
#include "jscntxt.h"
#include "jscompartment.h"
#include "vm/EnvironmentObject.h"
#include "jsscriptinlines.h"
#include "vm/EnvironmentObject-inl.h"
namespace js {
namespace jit {
template <typename SpecificEnvironment>
inline void
BaselineFrame::pushOnEnvironmentChain(SpecificEnvironment& env)
{
MOZ_ASSERT(*environmentChain() == env.enclosingEnvironment());
envChain_ = &env;
if (IsFrameInitialEnvironment(this, env))
flags_ |= HAS_INITIAL_ENV;
}
template <typename SpecificEnvironment>
inline void
BaselineFrame::popOffEnvironmentChain()
{
MOZ_ASSERT(envChain_->is<SpecificEnvironment>());
envChain_ = &envChain_->as<SpecificEnvironment>().enclosingEnvironment();
}
inline void
BaselineFrame::replaceInnermostEnvironment(EnvironmentObject& env)
{
MOZ_ASSERT(env.enclosingEnvironment() ==
envChain_->as<EnvironmentObject>().enclosingEnvironment());
envChain_ = &env;
}
inline bool
BaselineFrame::pushLexicalEnvironment(JSContext* cx, Handle<LexicalScope*> scope)
{
LexicalEnvironmentObject* env = LexicalEnvironmentObject::create(cx, scope, this);
if (!env)
return false;
pushOnEnvironmentChain(*env);
return true;
}
inline bool
BaselineFrame::freshenLexicalEnvironment(JSContext* cx)
{
Rooted<LexicalEnvironmentObject*> current(cx, &envChain_->as<LexicalEnvironmentObject>());
LexicalEnvironmentObject* clone = LexicalEnvironmentObject::clone(cx, current);
if (!clone)
return false;
replaceInnermostEnvironment(*clone);
return true;
}
inline bool
BaselineFrame::recreateLexicalEnvironment(JSContext* cx)
{
Rooted<LexicalEnvironmentObject*> current(cx, &envChain_->as<LexicalEnvironmentObject>());
LexicalEnvironmentObject* clone = LexicalEnvironmentObject::recreate(cx, current);
if (!clone)
return false;
replaceInnermostEnvironment(*clone);
return true;
}
inline CallObject&
BaselineFrame::callObj() const
{
MOZ_ASSERT(hasInitialEnvironment());
MOZ_ASSERT(callee()->needsCallObject());
JSObject* obj = environmentChain();
while (!obj->is<CallObject>())
obj = obj->enclosingEnvironment();
return obj->as<CallObject>();
}
inline void
BaselineFrame::unsetIsDebuggee()
{
MOZ_ASSERT(!script()->isDebuggee());
flags_ &= ~DEBUGGEE;
}
} // namespace jit
} // namespace js
#endif /* jit_BaselineFrame_inl_h */
|
