1 | // Copyright (C) 2016 The Qt Company Ltd. |
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | #ifndef QMLJS_RUNTIME_H |
4 | #define QMLJS_RUNTIME_H |
5 | |
6 | // |
7 | // W A R N I N G |
8 | // ------------- |
9 | // |
10 | // This file is not part of the Qt API. It exists purely as an |
11 | // implementation detail. This header file may change from version to |
12 | // version without notice, or even be removed. |
13 | // |
14 | // We mean it. |
15 | // |
16 | |
17 | #include "qv4global_p.h" |
18 | #include "qv4value_p.h" |
19 | #include "qv4runtimeapi_p.h" |
20 | #include <QtCore/qnumeric.h> |
21 | |
22 | QT_BEGIN_NAMESPACE |
23 | |
24 | #undef QV4_COUNT_RUNTIME_FUNCTIONS |
25 | |
26 | namespace QV4 { |
27 | |
28 | #ifdef QV4_COUNT_RUNTIME_FUNCTIONS |
29 | class RuntimeCounters |
30 | { |
31 | public: |
32 | RuntimeCounters(); |
33 | ~RuntimeCounters(); |
34 | |
35 | static RuntimeCounters *instance; |
36 | |
37 | void count(const char *func); |
38 | void count(const char *func, uint tag); |
39 | void count(const char *func, uint tag1, uint tag2); |
40 | |
41 | private: |
42 | struct Data; |
43 | Data *d; |
44 | }; |
45 | |
46 | # define TRACE0() RuntimeCounters::instance->count(Q_FUNC_INFO); |
47 | # define TRACE1(x) RuntimeCounters::instance->count(Q_FUNC_INFO, x.type()); |
48 | # define TRACE2(x, y) RuntimeCounters::instance->count(Q_FUNC_INFO, x.type(), y.type()); |
49 | #else |
50 | # define TRACE0() |
51 | # define TRACE1(x) |
52 | # define TRACE2(x, y) |
53 | #endif // QV4_COUNT_RUNTIME_FUNCTIONS |
54 | |
55 | enum TypeHint { |
56 | PREFERREDTYPE_HINT, |
57 | NUMBER_HINT, |
58 | STRING_HINT |
59 | }; |
60 | |
61 | struct Q_QML_PRIVATE_EXPORT RuntimeHelpers { |
62 | static ReturnedValue objectDefaultValue(const Object *object, int typeHint); |
63 | static ReturnedValue toPrimitive(const Value &value, TypeHint typeHint); |
64 | static ReturnedValue ordinaryToPrimitive(ExecutionEngine *engine, const Object *object, String *typeHint); |
65 | |
66 | static double stringToNumber(const QString &s); |
67 | static Heap::String *stringFromNumber(ExecutionEngine *engine, double number); |
68 | static double toNumber(const Value &value); |
69 | static void numberToString(QString *result, double num, int radix = 10); |
70 | |
71 | static Heap::String *convertToString(ExecutionEngine *engine, Value value, TypeHint = STRING_HINT); |
72 | static Heap::Object *convertToObject(ExecutionEngine *engine, const Value &value); |
73 | |
74 | static Bool equalHelper(const Value &x, const Value &y); |
75 | static Bool strictEqual(const Value &x, const Value &y); |
76 | |
77 | static ReturnedValue addHelper(ExecutionEngine *engine, const Value &left, const Value &right); |
78 | }; |
79 | |
80 | |
81 | // type conversion and testing |
82 | inline ReturnedValue RuntimeHelpers::toPrimitive(const Value &value, TypeHint typeHint) |
83 | { |
84 | if (!value.isObject()) |
85 | return value.asReturnedValue(); |
86 | return RuntimeHelpers::objectDefaultValue(object: &reinterpret_cast<const Object &>(value), typeHint); |
87 | } |
88 | |
89 | inline double RuntimeHelpers::toNumber(const Value &value) |
90 | { |
91 | return value.toNumber(); |
92 | } |
93 | } // namespace QV4 |
94 | |
95 | QT_END_NAMESPACE |
96 | |
97 | #endif // QMLJS_RUNTIME_H |
98 | |