mirror of https://github.com/odrling/Aegisub
79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
// Copyright (c) 2014, Thomas Goyne <plorkyeran@aegisub.org>
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//
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// Permission to use, copy, modify, and distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
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// Aegisub Project http://www.aegisub.org/
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#include <string>
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namespace agi {
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// Get the name of a type as a string in C syntax
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// Currently supports primitives, pointers, references, const, and function pointers
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template<typename T> struct type_name;
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#define AGI_DEFINE_TYPE_NAME(type) \
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template<> struct type_name<type> { static const char *name() { return #type; }}
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AGI_DEFINE_TYPE_NAME(bool);
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AGI_DEFINE_TYPE_NAME(char);
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AGI_DEFINE_TYPE_NAME(double);
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AGI_DEFINE_TYPE_NAME(float);
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AGI_DEFINE_TYPE_NAME(int16_t);
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AGI_DEFINE_TYPE_NAME(int32_t);
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AGI_DEFINE_TYPE_NAME(int64_t);
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AGI_DEFINE_TYPE_NAME(uint16_t);
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AGI_DEFINE_TYPE_NAME(uint32_t);
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AGI_DEFINE_TYPE_NAME(uint64_t);
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AGI_DEFINE_TYPE_NAME(void);
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#undef AGI_TYPE_NAME_PRIMITIVE
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#define AGI_TYPE_NAME_MODIFIER(pre, type) \
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template<typename T> \
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struct type_name<T type> { \
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static std::string name() { \
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return std::string(type_name<T>::name()) + pre #type; \
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} \
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}
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AGI_TYPE_NAME_MODIFIER("", *);
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AGI_TYPE_NAME_MODIFIER("", &);
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AGI_TYPE_NAME_MODIFIER(" ", const);
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#undef AGI_TYPE_NAME_MODIFIER
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template<typename First>
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std::string function_args(bool is_first) {
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return std::string(is_first ? "" : ", ") + type_name<First>::name() + ")";
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}
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template<typename First, typename Second, typename... Rest>
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std::string function_args(bool is_first) {
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return std::string(is_first ? "" : ", ") + type_name<First>::name() + function_args<Second, Rest...>(false);
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}
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template<typename Return, typename... Args>
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struct type_name<Return (*)(Args...)> {
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static std::string name() {
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return std::string(type_name<Return>::name()) + " (*)(" + function_args<Args...>(true);
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}
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};
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template<typename Return>
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struct type_name<Return (*)()> {
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static std::string name() {
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return std::string(type_name<Return>::name()) + " (*)()";
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}
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};
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}
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