mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-20 12:44:46 +00:00
122 lines
3.6 KiB
C++
122 lines
3.6 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2013 GarageGames, LLC
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// Copyright (c) 2021 TGEMIT Authors & Contributors
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#ifndef _CONSOLE_CONSOLE_VALUE_STACK_H_
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#define _CONSOLE_CONSOLE_VALUE_STACK_H_
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template<S32 StackSize>
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class ConsoleValueStack
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{
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constexpr static S32 allocatorSize = sizeof(ConsoleValue) * StackSize;
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struct Frame
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{
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ConsoleValue* values;
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S32 count;
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S32 internalCounter;
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};
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Vector<Frame> stack;
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char* memory;
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S32 sp;
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TORQUE_FORCEINLINE Frame alloc(S32 count)
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{
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AssertFatal(sp + count * sizeof(ConsoleValue) < allocatorSize, "ConsoleValueStack overflow");
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ConsoleValue* ret = reinterpret_cast<ConsoleValue*>(memory + sp);
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sp += count * sizeof(ConsoleValue);
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return { ret, count, 1 };
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}
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TORQUE_FORCEINLINE void deAlloc(S32 count)
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{
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sp -= count * sizeof(ConsoleValue);
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AssertFatal(sp >= 0, "Popped ConsoleValueStack too far, underflow");
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}
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public:
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ConsoleValueStack()
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{
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memory = (char*)dMalloc(allocatorSize);
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for (S32 i = 0; i < allocatorSize; i += sizeof(ConsoleValue))
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{
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constructInPlace<ConsoleValue>(reinterpret_cast<ConsoleValue*>(memory + i));
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}
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sp = 0;
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}
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~ConsoleValueStack()
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{
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dFree(memory);
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}
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TORQUE_FORCEINLINE void pushFrame(S32 count)
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{
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AssertISV(count >= 0, "Must be >= 0 when pushing stack frame");
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// +1 for function name in argv[0]
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const Frame& frame = alloc(count + 1);
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stack.push_back(frame);
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}
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TORQUE_FORCEINLINE void popFrame()
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{
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AssertISV(stack.size() > 0, "Stack Underflow");
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deAlloc(stack.last().count);
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stack.pop_back();
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}
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TORQUE_FORCEINLINE void pushInt(S64 value)
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{
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Frame& frame = stack.last();
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frame.values[frame.internalCounter++].setInt(value);
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}
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TORQUE_FORCEINLINE void pushFloat(F64 value)
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{
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Frame& frame = stack.last();
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frame.values[frame.internalCounter++].setFloat(value);
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}
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TORQUE_FORCEINLINE void pushString(const char* value, S32 len)
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{
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Frame& frame = stack.last();
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frame.values[frame.internalCounter++].setString(value, len);
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}
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TORQUE_FORCEINLINE void argvc(StringTableEntry fn, S32& argc, ConsoleValue** argv)
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{
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Frame& frame = stack.last();
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argc = frame.count;
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// First param is always function name
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frame.values[0].setStringTableEntry(fn);
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*argv = frame.values;
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}
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};
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#endif
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