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
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QMLJS_RUNTIME_H
#define QMLJS_RUNTIME_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qv4global_p.h"
#include "qv4value_p.h"
#include "qv4runtimeapi_p.h"
#include <QtCore/qnumeric.h>
QT_BEGIN_NAMESPACE
#undef QV4_COUNT_RUNTIME_FUNCTIONS
namespace QV4 {
#ifdef QV4_COUNT_RUNTIME_FUNCTIONS
class RuntimeCounters
{
public:
RuntimeCounters();
~RuntimeCounters();
static RuntimeCounters *instance;
void count(const char *func);
void count(const char *func, uint tag);
void count(const char *func, uint tag1, uint tag2);
private:
struct Data;
Data *d;
};
# define TRACE0() RuntimeCounters::instance->count(Q_FUNC_INFO);
# define TRACE1(x) RuntimeCounters::instance->count(Q_FUNC_INFO, x.type());
# define TRACE2(x, y) RuntimeCounters::instance->count(Q_FUNC_INFO, x.type(), y.type());
#else
# define TRACE0()
# define TRACE1(x)
# define TRACE2(x, y)
#endif // QV4_COUNT_RUNTIME_FUNCTIONS
enum TypeHint {
PREFERREDTYPE_HINT,
NUMBER_HINT,
STRING_HINT
};
struct Q_QML_EXPORT RuntimeHelpers {
static ReturnedValue objectDefaultValue(const Object *object, int typeHint);
static ReturnedValue toPrimitive(const Value &value, TypeHint typeHint);
static ReturnedValue ordinaryToPrimitive(ExecutionEngine *engine, const Object *object, String *typeHint);
static double stringToNumber(const QString &s);
static Heap::String *stringFromNumber(ExecutionEngine *engine, double number);
static double toNumber(const Value &value);
static void numberToString(QString *result, double num, int radix = 10);
static Heap::String *convertToString(ExecutionEngine *engine, Value value, TypeHint = STRING_HINT);
static Heap::Object *convertToObject(ExecutionEngine *engine, const Value &value);
static Bool equalHelper(const Value &x, const Value &y);
static Bool strictEqual(const Value &x, const Value &y);
static ReturnedValue addHelper(ExecutionEngine *engine, const Value &left, const Value &right);
};
// type conversion and testing
inline ReturnedValue RuntimeHelpers::toPrimitive(const Value &value, TypeHint typeHint)
{
if (!value.isObject())
return value.asReturnedValue();
return RuntimeHelpers::objectDefaultValue(&reinterpret_cast<const Object &>(value), typeHint);
}
inline double RuntimeHelpers::toNumber(const Value &value)
{
return value.toNumber();
}
} // namespace QV4
QT_END_NAMESPACE
#endif // QMLJS_RUNTIME_H
|
