mirror of
https://github.com/kevinbentley/Descent3.git
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130 lines
3.0 KiB
C++
130 lines
3.0 KiB
C++
/*
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AngelCode Scripting Library
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Copyright (c) 2003-2007 Andreas Jonsson
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any
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damages arising from the use of this software.
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Permission is granted to anyone to use this software for any
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purpose, including commercial applications, and to alter it and
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redistribute it freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you
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must not claim that you wrote the original software. If you use
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this software in a product, an acknowledgment in the product
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documentation would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and
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must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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The original version of this library can be located at:
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http://www.angelcode.com/angelscript/
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Andreas Jonsson
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andreas@angelcode.com
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*/
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//
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// as_variablescope.cpp
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//
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// A manager class for variable declarations
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//
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#include "as_config.h"
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#include "as_variablescope.h"
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BEGIN_AS_NAMESPACE
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asCVariableScope::asCVariableScope(asCVariableScope *parent)
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{
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this->parent = parent;
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Reset();
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}
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asCVariableScope::~asCVariableScope()
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{
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Reset();
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}
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void asCVariableScope::Reset()
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{
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isBreakScope = false;
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isContinueScope = false;
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for( asUINT n = 0; n < variables.GetLength(); n++ )
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if( variables[n] )
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{
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asDELETE(variables[n],sVariable);
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}
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variables.SetLength(0);
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}
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int asCVariableScope::DeclareVariable(const char *name, const asCDataType &type, int stackOffset)
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{
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// TODO: optimize: Improve linear search
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// See if the variable is already declared
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if( strcmp(name, "") != 0 )
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{
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for( asUINT n = 0; n < variables.GetLength(); n++ )
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{
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if( variables[n]->name == name )
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return -1;
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}
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}
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sVariable *var = asNEW(sVariable);
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var->name = name;
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var->type = type;
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var->stackOffset = stackOffset;
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var->isInitialized = false;
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var->isPureConstant = false;
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// Parameters are initialized
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if( stackOffset <= 0 )
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var->isInitialized = true;
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variables.PushLast(var);
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return 0;
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}
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sVariable *asCVariableScope::GetVariable(const char *name)
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{
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// TODO: optimize: Improve linear search
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// Find the variable
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for( asUINT n = 0; n < variables.GetLength(); n++ )
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{
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if( variables[n]->name == name )
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return variables[n];
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}
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if( parent )
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return parent->GetVariable(name);
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return 0;
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}
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sVariable *asCVariableScope::GetVariableByOffset(int offset)
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{
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// TODO: optimize: Improve linear search
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// Find the variable
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for( asUINT n = 0; n < variables.GetLength(); n++ )
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{
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if( variables[n]->stackOffset == offset )
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return variables[n];
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}
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if( parent )
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return parent->GetVariableByOffset(offset);
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return 0;
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}
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END_AS_NAMESPACE
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