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GeezerVison is showing github.com — livecode/libscript/include/libscript/script-auto.h at develop · livecode/livecode
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Expand file tree/ Copy pathscript-auto.hMore file actions 182 lines (149 loc) · 4.42 KB / Copy pathscript-auto.hFile metadata and controls182 lines (149 loc) · 4.42 KB 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 /* -*-c++-*- Copyright (C) 2015-2016 LiveCode Ltd. This file is part of LiveCode. LiveCode is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License v3 as published by the Free Software Foundation. LiveCode is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with LiveCode. If not see <http://www.gnu.org/licenses/>. */ #ifndef __MC_SCRIPT_AUTO__ #define __MC_SCRIPT_AUTO__ #include "script.h" #include "foundation-span.h" /* ================================================================ */ template <typename T, T (*REF)(T), void (*UNREF)(T)> class MCAutoScriptObjectRefBase { public: MCAutoScriptObjectRefBase (void) : m_value(nil) {} explicit MCAutoScriptObjectRefBase (T p_value) : m_value(nil) { if (nil != p_value) m_value = REF (p_value); } ~MCAutoScriptObjectRefBase (void) { UNREF (m_value); } MCAutoScriptObjectRefBase operator = (T value) { MCAssert (nil == m_value); m_value = REF (value); return value; } T & operator & (void) { MCAssert (nil == m_value); return m_value; } T operator * (void) const { return m_value; } T Release(void) { T t_value = m_value; m_value = nil; return t_value; } private: T m_value; MCAutoScriptObjectRefBase<T,REF,UNREF> & operator = (MCAutoScriptObjectRefBase<T,REF,UNREF> & x); }; typedef MCAutoScriptObjectRefBase<MCScriptModuleRef, MCScriptRetainModule, MCScriptReleaseModule> MCAutoScriptModuleRef; typedef MCAutoScriptObjectRefBase<MCScriptInstanceRef, MCScriptRetainInstance, MCScriptReleaseInstance> MCAutoScriptInstanceRef; /* ================================================================ */ template <typename T, T (*REF)(T), void (*UNREF)(T)> class MCAutoScriptObjectRefArrayBase { public: MCAutoScriptObjectRefArrayBase (void) : m_values(nil), m_count(0) {} ~MCAutoScriptObjectRefArrayBase (void) { if (nil == m_values) return; for (size_t i = 0; i < m_count; ++i) { UNREF(m_values[i]); } MCMemoryDeleteArray (m_values); m_values = 0; m_count = 0; } bool New (uindex_t p_size) { MCAssert (nil == m_values); return MCMemoryNewArray (p_size, m_values, m_count); } T* Ptr () { return m_values; } uindex_t Size() const { return m_count; } bool Resize(uindex_t p_new_count) { return MCMemoryResizeArray (p_new_count, m_values, m_count); } bool Extend(uindex_t p_new_count) { MCAssert(p_new_count >= m_count); return Resize(p_new_count); } bool Push(T p_value) { if (!(nil == m_values ? New(1) : Extend(m_count + 1))) return false; m_values[m_count - 1] = REF(p_value); return true; } MCSpan<T> Span() { return MCMakeSpan(Ptr(), Size()); } T & operator [] (const int p_index) { MCAssert (nil != m_values); MCAssert (p_index >= 0); return m_values[p_index]; } MCSpan<T> Release(void) { MCSpan<T> t_value = Span(); m_values = nullptr; m_count = 0; return t_value; } private: T *m_values; uindex_t m_count; }; typedef MCAutoScriptObjectRefArrayBase<MCScriptModuleRef, MCScriptRetainModule, MCScriptReleaseModule> MCAutoScriptModuleRefArray; typedef MCAutoScriptObjectRefArrayBase<MCScriptInstanceRef, MCScriptRetainInstance, MCScriptReleaseInstance> MCAutoScriptInstanceRefArray; /* ================================================================ * libscript functions relying on managed-lifetime types * ================================================================ * * This header declares some libscript functions in addition to those * declared in "script.h". These functions rely on the managed * lifetime types declared in this header but not available in * "script.h". */ /* ---------------------------------------------------------------- * Module-related functions * ---------------------------------------------------------------- */ MC_DLLEXPORT bool MCScriptCreateModulesFromStream(MCStreamRef p_stream, MCAutoScriptModuleRefArray& x_modules); MC_DLLEXPORT bool MCScriptCreateModulesFromData(MCDataRef p_data, MCAutoScriptModuleRefArray& x_modules); #endif /* !__MC_SCRIPT_AUTO__ */ |
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