2014-05-01 13:33:40 +02:00
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/***************************************************************************************************
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**
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2015-02-27 11:21:09 +01:00
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** Copyright (C) 2013 Ingo Berg
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2014-05-01 13:33:40 +02:00
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**
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** Permission is hereby granted, free of charge, to any person obtaining a copy of this
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** software and associated documentation files (the "Software"), to deal in the Software
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** without restriction, including without limitation the rights to use, copy, modify,
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** merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
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** permit persons to whom the Software is 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 all copies or
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** 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 IMPLIED, INCLUDING BUT
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** NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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** DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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** OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**
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******************************************************************************************************/
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#include "qmuparserbytecode.h"
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2014-06-03 14:15:17 +02:00
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#include <QStack>
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2014-05-01 13:33:40 +02:00
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#include <QString>
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2014-06-08 20:10:57 +02:00
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#include <QDebug>
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2014-05-01 13:33:40 +02:00
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#include "qmuparsertoken.h"
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2014-10-03 12:32:12 +02:00
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#include <QtCore/qmath.h>
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#include <QtGlobal>
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2014-05-01 13:33:40 +02:00
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namespace qmu
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{
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief Bytecode default constructor.
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*/
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2014-05-02 10:09:10 +02:00
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// cppcheck-suppress uninitMemberVar
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2014-05-22 14:11:14 +02:00
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QmuParserByteCode::QmuParserByteCode()
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2014-05-01 13:33:40 +02:00
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:m_iStackPos(0), m_iMaxStackSize(0), m_vRPN(), m_bEnableOptimizer(true)
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{
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m_vRPN.reserve(50);
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief Copy constructor.
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*
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* Implemented in Terms of Assign(const QParserByteCode &a_ByteCode)
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*/
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2014-05-02 10:09:10 +02:00
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// cppcheck-suppress uninitMemberVar
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2014-05-22 14:11:14 +02:00
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QmuParserByteCode::QmuParserByteCode(const QmuParserByteCode &a_ByteCode)
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2014-05-01 13:33:40 +02:00
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:m_iStackPos(a_ByteCode.m_iStackPos), m_iMaxStackSize(a_ByteCode.m_iMaxStackSize), m_vRPN(a_ByteCode.m_vRPN),
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m_bEnableOptimizer(true)
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{
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Assign(a_ByteCode);
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief Assignment operator.
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*
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* Implemented in Terms of Assign(const QParserByteCode &a_ByteCode)
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*/
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2014-05-02 10:09:10 +02:00
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// cppcheck-suppress operatorEqVarError
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2014-05-22 14:11:14 +02:00
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QmuParserByteCode& QmuParserByteCode::operator=(const QmuParserByteCode &a_ByteCode)
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2014-05-01 13:33:40 +02:00
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{
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Assign(a_ByteCode);
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return *this;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief Copy state of another object to this.
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*
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* @throw nowthrow
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*/
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2014-05-22 14:11:14 +02:00
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void QmuParserByteCode::Assign(const QmuParserByteCode &a_ByteCode)
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2014-05-01 13:33:40 +02:00
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{
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if (this==&a_ByteCode)
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{
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return;
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}
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m_iStackPos = a_ByteCode.m_iStackPos;
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m_vRPN = a_ByteCode.m_vRPN;
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m_iMaxStackSize = a_ByteCode.m_iMaxStackSize;
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2014-05-02 10:09:10 +02:00
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m_bEnableOptimizer = a_ByteCode.m_bEnableOptimizer;
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2014-05-01 13:33:40 +02:00
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief Add a Variable pointer to bytecode.
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* @param a_pVar Pointer to be added.
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* @throw nothrow
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*/
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2014-05-22 14:11:14 +02:00
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void QmuParserByteCode::AddVar(qreal *a_pVar)
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2014-05-01 13:33:40 +02:00
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{
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++m_iStackPos;
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2014-10-03 18:23:26 +02:00
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m_iMaxStackSize = qMax(m_iMaxStackSize, m_iStackPos);
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2014-05-01 13:33:40 +02:00
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// optimization does not apply
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SToken tok;
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tok.Cmd = cmVAR;
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tok.Val.ptr = a_pVar;
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tok.Val.data = 1;
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tok.Val.data2 = 0;
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m_vRPN.push_back(tok);
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief Add a Variable pointer to bytecode.
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*
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* Value entries in byte code consist of:
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* <ul>
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* <li>value array position of the value</li>
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* <li>the operator code according to ParserToken::cmVAL</li>
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* <li>the value stored in #mc_iSizeVal number of bytecode entries.</li>
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* </ul>
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*
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2014-09-11 18:52:02 +02:00
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* @param a_fVal Value to be added.
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2014-05-01 13:33:40 +02:00
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* @throw nothrow
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*/
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2014-05-22 14:11:14 +02:00
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void QmuParserByteCode::AddVal(qreal a_fVal)
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2014-05-01 13:33:40 +02:00
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{
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++m_iStackPos;
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2014-10-03 18:23:26 +02:00
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m_iMaxStackSize = qMax(m_iMaxStackSize, m_iStackPos);
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2014-05-01 13:33:40 +02:00
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// If optimization does not apply
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SToken tok;
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tok.Cmd = cmVAL;
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2014-05-21 15:51:47 +02:00
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tok.Val.ptr = nullptr;
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2014-05-01 13:33:40 +02:00
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tok.Val.data = 0;
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tok.Val.data2 = a_fVal;
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m_vRPN.push_back(tok);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void QmuParserByteCode::ConstantFolding(ECmdCode a_Oprt)
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{
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2014-09-11 18:52:02 +02:00
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int sz = m_vRPN.size();
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2014-05-01 13:33:40 +02:00
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qreal &x = m_vRPN[sz-2].Val.data2,
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&y = m_vRPN[sz-1].Val.data2;
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switch (a_Oprt)
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{
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case cmLAND:
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x = static_cast<int>(x) && static_cast<int>(y);
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m_vRPN.pop_back();
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break;
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case cmLOR:
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x = static_cast<int>(x) || static_cast<int>(y);
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m_vRPN.pop_back();
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break;
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case cmLT:
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x = x < y;
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m_vRPN.pop_back();
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break;
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case cmGT:
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x = x > y;
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m_vRPN.pop_back();
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break;
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case cmLE:
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x = x <= y;
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m_vRPN.pop_back();
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break;
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case cmGE:
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x = x >= y;
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m_vRPN.pop_back();
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break;
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case cmNEQ:
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x = (qFuzzyCompare(x, y) == false);
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m_vRPN.pop_back();
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break;
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case cmEQ:
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x = qFuzzyCompare(x, y);
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m_vRPN.pop_back();
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break;
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case cmADD:
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x = x + y;
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m_vRPN.pop_back();
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break;
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case cmSUB:
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x = x - y;
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m_vRPN.pop_back();
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break;
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case cmMUL:
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x = x * y;
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m_vRPN.pop_back();
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break;
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case cmDIV:
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#if defined(MUP_MATH_EXCEPTIONS)
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if (y==0)
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{
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2014-05-06 12:51:14 +02:00
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throw qmuParserError(ecDIV_BY_ZERO, "0");
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2014-05-01 13:33:40 +02:00
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}
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#endif
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x = x / y;
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m_vRPN.pop_back();
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break;
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case cmPOW:
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x = qPow(x, y);
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m_vRPN.pop_back();
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break;
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default:
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break;
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} // switch opcode
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief Add an operator identifier to bytecode.
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*
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* Operator entries in byte code consist of:
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* <ul>
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* <li>value array position of the result</li>
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* <li>the operator code according to ParserToken::ECmdCode</li>
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* </ul>
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*
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* @sa ParserToken::ECmdCode
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*/
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void QmuParserByteCode::AddOp(ECmdCode a_Oprt)
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{
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bool bOptimized = false;
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if (m_bEnableOptimizer)
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{
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2014-09-11 18:52:02 +02:00
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int sz = m_vRPN.size();
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2014-05-01 13:33:40 +02:00
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// Check for foldable constants like:
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// cmVAL cmVAL cmADD
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// where cmADD can stand fopr any binary operator applied to
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// two constant values.
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if (sz>=2 && m_vRPN[sz-2].Cmd == cmVAL && m_vRPN[sz-1].Cmd == cmVAL)
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{
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ConstantFolding(a_Oprt);
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bOptimized = true;
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}
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else
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{
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switch (a_Oprt)
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{
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case cmPOW:
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// Optimization for ploynomials of low order
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if (m_vRPN[sz-2].Cmd == cmVAR && m_vRPN[sz-1].Cmd == cmVAL)
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{
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if (qFuzzyCompare(m_vRPN[sz-1].Val.data2, 2))
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{
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m_vRPN[sz-2].Cmd = cmVARPOW2;
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}
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else if (qFuzzyCompare(m_vRPN[sz-1].Val.data2, 3))
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{
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m_vRPN[sz-2].Cmd = cmVARPOW3;
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}
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else if (qFuzzyCompare(m_vRPN[sz-1].Val.data2, 4))
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{
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m_vRPN[sz-2].Cmd = cmVARPOW4;
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}
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else
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{
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break;
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}
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m_vRPN.pop_back();
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bOptimized = true;
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}
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break;
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case cmSUB:
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case cmADD:
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// Simple optimization based on pattern recognition for a shitload of different
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// bytecode combinations of addition/subtraction
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if ( (m_vRPN[sz-1].Cmd == cmVAR && m_vRPN[sz-2].Cmd == cmVAL) ||
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(m_vRPN[sz-1].Cmd == cmVAL && m_vRPN[sz-2].Cmd == cmVAR) ||
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(m_vRPN[sz-1].Cmd == cmVAL && m_vRPN[sz-2].Cmd == cmVARMUL) ||
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(m_vRPN[sz-1].Cmd == cmVARMUL && m_vRPN[sz-2].Cmd == cmVAL) ||
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(m_vRPN[sz-1].Cmd == cmVAR && m_vRPN[sz-2].Cmd == cmVAR &&
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m_vRPN[sz-2].Val.ptr == m_vRPN[sz-1].Val.ptr) ||
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(m_vRPN[sz-1].Cmd == cmVAR && m_vRPN[sz-2].Cmd == cmVARMUL
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&& m_vRPN[sz-2].Val.ptr == m_vRPN[sz-1].Val.ptr) ||
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(m_vRPN[sz-1].Cmd == cmVARMUL && m_vRPN[sz-2].Cmd == cmVAR &&
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m_vRPN[sz-2].Val.ptr == m_vRPN[sz-1].Val.ptr) ||
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(m_vRPN[sz-1].Cmd == cmVARMUL && m_vRPN[sz-2].Cmd == cmVARMUL &&
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m_vRPN[sz-2].Val.ptr == m_vRPN[sz-1].Val.ptr) )
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{
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2014-05-21 15:51:47 +02:00
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assert( (m_vRPN[sz-2].Val.ptr==nullptr && m_vRPN[sz-1].Val.ptr!=nullptr) ||
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(m_vRPN[sz-2].Val.ptr!=nullptr && m_vRPN[sz-1].Val.ptr==nullptr) ||
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2014-05-01 13:33:40 +02:00
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(m_vRPN[sz-2].Val.ptr == m_vRPN[sz-1].Val.ptr) );
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m_vRPN[sz-2].Cmd = cmVARMUL;
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2014-05-21 15:51:47 +02:00
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m_vRPN[sz-2].Val.ptr = reinterpret_cast<qreal*>(
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reinterpret_cast<qlonglong>(m_vRPN[sz-2].Val.ptr) |
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reinterpret_cast<qlonglong>(m_vRPN[sz-1].Val.ptr)); // variable
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2014-05-01 13:33:40 +02:00
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m_vRPN[sz-2].Val.data2 += ((a_Oprt==cmSUB) ? -1 : 1) * m_vRPN[sz-1].Val.data2; // offset
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m_vRPN[sz-2].Val.data += ((a_Oprt==cmSUB) ? -1 : 1) * m_vRPN[sz-1].Val.data; // multiplikatior
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m_vRPN.pop_back();
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bOptimized = true;
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}
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break;
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case cmMUL:
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if ( (m_vRPN[sz-1].Cmd == cmVAR && m_vRPN[sz-2].Cmd == cmVAL) ||
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(m_vRPN[sz-1].Cmd == cmVAL && m_vRPN[sz-2].Cmd == cmVAR) )
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{
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m_vRPN[sz-2].Cmd = cmVARMUL;
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2014-05-21 15:51:47 +02:00
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m_vRPN[sz-2].Val.ptr = reinterpret_cast<qreal*>(
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reinterpret_cast<qlonglong>(m_vRPN[sz-2].Val.ptr) |
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reinterpret_cast<qlonglong>(m_vRPN[sz-1].Val.ptr));
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2014-05-01 13:33:40 +02:00
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m_vRPN[sz-2].Val.data = m_vRPN[sz-2].Val.data2 + m_vRPN[sz-1].Val.data2;
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m_vRPN[sz-2].Val.data2 = 0;
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m_vRPN.pop_back();
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bOptimized = true;
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}
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else if ( (m_vRPN[sz-1].Cmd == cmVAL && m_vRPN[sz-2].Cmd == cmVARMUL) ||
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(m_vRPN[sz-1].Cmd == cmVARMUL && m_vRPN[sz-2].Cmd == cmVAL) )
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{
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// Optimization: 2*(3*b+1) or (3*b+1)*2 -> 6*b+2
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m_vRPN[sz-2].Cmd = cmVARMUL;
|
2014-05-21 15:51:47 +02:00
|
|
|
m_vRPN[sz-2].Val.ptr = reinterpret_cast<qreal*>(
|
|
|
|
reinterpret_cast<qlonglong>(m_vRPN[sz-2].Val.ptr) |
|
|
|
|
reinterpret_cast<qlonglong>(m_vRPN[sz-1].Val.ptr));
|
2014-05-01 13:33:40 +02:00
|
|
|
if (m_vRPN[sz-1].Cmd == cmVAL)
|
|
|
|
{
|
|
|
|
m_vRPN[sz-2].Val.data *= m_vRPN[sz-1].Val.data2;
|
|
|
|
m_vRPN[sz-2].Val.data2 *= m_vRPN[sz-1].Val.data2;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
m_vRPN[sz-2].Val.data = m_vRPN[sz-1].Val.data * m_vRPN[sz-2].Val.data2;
|
|
|
|
m_vRPN[sz-2].Val.data2 = m_vRPN[sz-1].Val.data2 * m_vRPN[sz-2].Val.data2;
|
|
|
|
}
|
|
|
|
m_vRPN.pop_back();
|
|
|
|
bOptimized = true;
|
|
|
|
}
|
|
|
|
else if (m_vRPN[sz-1].Cmd == cmVAR && m_vRPN[sz-2].Cmd == cmVAR &&
|
|
|
|
m_vRPN[sz-1].Val.ptr == m_vRPN[sz-2].Val.ptr)
|
|
|
|
{
|
|
|
|
// Optimization: a*a -> a^2
|
|
|
|
m_vRPN[sz-2].Cmd = cmVARPOW2;
|
|
|
|
m_vRPN.pop_back();
|
|
|
|
bOptimized = true;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case cmDIV:
|
2014-05-06 12:51:14 +02:00
|
|
|
if (m_vRPN[sz-1].Cmd == cmVAL && m_vRPN[sz-2].Cmd == cmVARMUL &&
|
|
|
|
(qFuzzyCompare(m_vRPN[sz-1].Val.data2+1, 1+0)==false))
|
|
|
|
{
|
|
|
|
// Optimization: 4*a/2 -> 2*a
|
|
|
|
m_vRPN[sz-2].Val.data /= m_vRPN[sz-1].Val.data2;
|
|
|
|
m_vRPN[sz-2].Val.data2 /= m_vRPN[sz-1].Val.data2;
|
|
|
|
m_vRPN.pop_back();
|
|
|
|
bOptimized = true;
|
|
|
|
}
|
2014-05-01 13:33:40 +02:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
|
|
|
|
} // switch a_Oprt
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// If optimization can't be applied just write the value
|
|
|
|
if (bOptimized == false)
|
|
|
|
{
|
|
|
|
--m_iStackPos;
|
|
|
|
SToken tok;
|
|
|
|
tok.Cmd = a_Oprt;
|
|
|
|
m_vRPN.push_back(tok);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
2014-05-22 14:11:14 +02:00
|
|
|
void QmuParserByteCode::AddIfElse(ECmdCode a_Oprt)
|
2014-05-01 13:33:40 +02:00
|
|
|
{
|
|
|
|
SToken tok;
|
|
|
|
tok.Cmd = a_Oprt;
|
|
|
|
m_vRPN.push_back(tok);
|
|
|
|
}
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
|
|
* @brief Add an assignement operator
|
|
|
|
*
|
|
|
|
* Operator entries in byte code consist of:
|
|
|
|
* <ul>
|
|
|
|
* <li>cmASSIGN code</li>
|
|
|
|
* <li>the pointer of the destination variable</li>
|
|
|
|
* </ul>
|
|
|
|
*
|
|
|
|
* @sa ParserToken::ECmdCode
|
|
|
|
*/
|
2014-05-22 14:11:14 +02:00
|
|
|
void QmuParserByteCode::AddAssignOp(qreal *a_pVar)
|
2014-05-01 13:33:40 +02:00
|
|
|
{
|
|
|
|
--m_iStackPos;
|
|
|
|
|
|
|
|
SToken tok;
|
|
|
|
tok.Cmd = cmASSIGN;
|
|
|
|
tok.Val.ptr = a_pVar;
|
|
|
|
m_vRPN.push_back(tok);
|
|
|
|
}
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
|
|
* @brief Add function to bytecode.
|
|
|
|
*
|
|
|
|
* @param a_iArgc Number of arguments, negative numbers indicate multiarg functions.
|
|
|
|
* @param a_pFun Pointer to function callback.
|
|
|
|
*/
|
2014-05-22 14:11:14 +02:00
|
|
|
void QmuParserByteCode::AddFun(generic_fun_type a_pFun, int a_iArgc)
|
2014-05-01 13:33:40 +02:00
|
|
|
{
|
|
|
|
if (a_iArgc>=0)
|
|
|
|
{
|
2014-09-11 18:52:02 +02:00
|
|
|
m_iStackPos = m_iStackPos - static_cast<unsigned int>(a_iArgc) + 1;
|
2014-05-01 13:33:40 +02:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
// function with unlimited number of arguments
|
2014-09-11 18:52:02 +02:00
|
|
|
m_iStackPos = static_cast<unsigned int>(static_cast<int>(m_iStackPos) + a_iArgc + 1);
|
2014-05-01 13:33:40 +02:00
|
|
|
}
|
2014-10-03 18:23:26 +02:00
|
|
|
m_iMaxStackSize = qMax(m_iMaxStackSize, m_iStackPos);
|
2014-05-01 13:33:40 +02:00
|
|
|
|
|
|
|
SToken tok;
|
|
|
|
tok.Cmd = cmFUNC;
|
|
|
|
tok.Fun.argc = a_iArgc;
|
|
|
|
tok.Fun.ptr = a_pFun;
|
|
|
|
m_vRPN.push_back(tok);
|
|
|
|
}
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
|
|
* @brief Add a bulk function to bytecode.
|
|
|
|
*
|
|
|
|
* @param a_iArgc Number of arguments, negative numbers indicate multiarg functions.
|
|
|
|
* @param a_pFun Pointer to function callback.
|
|
|
|
*/
|
2014-05-22 14:11:14 +02:00
|
|
|
void QmuParserByteCode::AddBulkFun(generic_fun_type a_pFun, int a_iArgc)
|
2014-05-01 13:33:40 +02:00
|
|
|
{
|
2014-09-11 18:52:02 +02:00
|
|
|
m_iStackPos = static_cast<unsigned int>(static_cast<int>(m_iStackPos) - a_iArgc + 1);
|
2014-10-03 18:23:26 +02:00
|
|
|
m_iMaxStackSize = qMax(m_iMaxStackSize, m_iStackPos);
|
2014-05-01 13:33:40 +02:00
|
|
|
|
|
|
|
SToken tok;
|
|
|
|
tok.Cmd = cmFUNC_BULK;
|
|
|
|
tok.Fun.argc = a_iArgc;
|
|
|
|
tok.Fun.ptr = a_pFun;
|
|
|
|
m_vRPN.push_back(tok);
|
|
|
|
}
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
|
|
* @brief Add Strung function entry to the parser bytecode.
|
|
|
|
* @throw nothrow
|
|
|
|
*
|
|
|
|
* A string function entry consists of the stack position of the return value, followed by a cmSTRFUNC code, the
|
|
|
|
* function pointer and an index into the string buffer maintained by the parser.
|
|
|
|
*/
|
2014-05-22 14:11:14 +02:00
|
|
|
void QmuParserByteCode::AddStrFun(generic_fun_type a_pFun, int a_iArgc, int a_iIdx)
|
2014-05-01 13:33:40 +02:00
|
|
|
{
|
2014-09-11 18:52:02 +02:00
|
|
|
m_iStackPos = static_cast<unsigned int>(static_cast<int>(m_iStackPos) - a_iArgc + 1);
|
2014-05-01 13:33:40 +02:00
|
|
|
|
|
|
|
SToken tok;
|
|
|
|
tok.Cmd = cmFUNC_STR;
|
|
|
|
tok.Fun.argc = a_iArgc;
|
|
|
|
tok.Fun.idx = a_iIdx;
|
|
|
|
tok.Fun.ptr = a_pFun;
|
|
|
|
m_vRPN.push_back(tok);
|
|
|
|
|
2014-10-03 18:23:26 +02:00
|
|
|
m_iMaxStackSize = qMax(m_iMaxStackSize, m_iStackPos);
|
2014-05-01 13:33:40 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
|
|
* @brief Add end marker to bytecode.
|
|
|
|
*
|
|
|
|
* @throw nothrow
|
|
|
|
*/
|
2014-05-22 14:11:14 +02:00
|
|
|
void QmuParserByteCode::Finalize()
|
2014-05-01 13:33:40 +02:00
|
|
|
{
|
|
|
|
SToken tok;
|
|
|
|
tok.Cmd = cmEND;
|
|
|
|
m_vRPN.push_back(tok);
|
|
|
|
rpn_type(m_vRPN).swap(m_vRPN); // shrink bytecode vector to fit
|
|
|
|
|
|
|
|
// Determine the if-then-else jump offsets
|
|
|
|
QStack<int> stIf, stElse;
|
|
|
|
int idx;
|
|
|
|
for (int i=0; i<m_vRPN.size(); ++i)
|
|
|
|
{
|
|
|
|
switch (m_vRPN[i].Cmd)
|
|
|
|
{
|
|
|
|
case cmIF:
|
|
|
|
stIf.push(i);
|
|
|
|
break;
|
|
|
|
case cmELSE:
|
|
|
|
stElse.push(i);
|
|
|
|
idx = stIf.pop();
|
|
|
|
m_vRPN[idx].Oprt.offset = i - idx;
|
|
|
|
break;
|
|
|
|
case cmENDIF:
|
|
|
|
idx = stElse.pop();
|
|
|
|
m_vRPN[idx].Oprt.offset = i - idx;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
|
|
const SToken* QmuParserByteCode::GetBase() const
|
|
|
|
{
|
|
|
|
if (m_vRPN.size()==0)
|
|
|
|
{
|
|
|
|
throw QmuParserError(ecINTERNAL_ERROR);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
return &m_vRPN[0];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
|
|
* @brief Delete the bytecode.
|
|
|
|
*
|
|
|
|
* @throw nothrow
|
|
|
|
*
|
|
|
|
* The name of this function is a violation of my own coding guidelines but this way it's more in line with the STL
|
|
|
|
* functions thus more intuitive.
|
|
|
|
*/
|
2014-05-22 14:11:14 +02:00
|
|
|
void QmuParserByteCode::clear()
|
2014-05-01 13:33:40 +02:00
|
|
|
{
|
|
|
|
m_vRPN.clear();
|
|
|
|
m_iStackPos = 0;
|
|
|
|
m_iMaxStackSize = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
|
|
* @brief Dump bytecode (for debugging only!).
|
|
|
|
*/
|
|
|
|
void QmuParserByteCode::AsciiDump()
|
|
|
|
{
|
|
|
|
if (m_vRPN.size() == false)
|
|
|
|
{
|
|
|
|
qDebug() << "No bytecode available\n";
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
qDebug() << "Number of RPN tokens:" << m_vRPN.size() << "\n";
|
|
|
|
for (int i=0; i<m_vRPN.size() && m_vRPN[i].Cmd!=cmEND; ++i)
|
|
|
|
{
|
|
|
|
qDebug() << i << " : \t";
|
|
|
|
switch (m_vRPN[i].Cmd)
|
|
|
|
{
|
|
|
|
case cmVAL:
|
|
|
|
qDebug() << "VAL \t" << "[" << m_vRPN[i].Val.data2 << "]\n";
|
|
|
|
break;
|
|
|
|
case cmVAR:
|
2014-05-21 15:51:47 +02:00
|
|
|
qDebug() << "VAR \t" << "[ADDR: 0x" << QString::number(*m_vRPN[i].Val.ptr, 'f', 16) << "]\n";
|
2014-05-01 13:33:40 +02:00
|
|
|
break;
|
|
|
|
case cmVARPOW2:
|
2014-05-21 15:51:47 +02:00
|
|
|
qDebug() << "VARPOW2 \t" << "[ADDR: 0x" << QString::number(*m_vRPN[i].Val.ptr, 'f', 16) << "]\n";
|
2014-05-01 13:33:40 +02:00
|
|
|
break;
|
|
|
|
case cmVARPOW3:
|
2014-05-21 15:51:47 +02:00
|
|
|
qDebug() << "VARPOW3 \t" << "[ADDR: 0x" << QString::number(*m_vRPN[i].Val.ptr, 'f', 16) << "]\n";
|
2014-05-01 13:33:40 +02:00
|
|
|
break;
|
|
|
|
case cmVARPOW4:
|
2014-05-21 15:51:47 +02:00
|
|
|
qDebug() << "VARPOW4 \t" << "[ADDR: 0x" << QString::number(*m_vRPN[i].Val.ptr, 'f', 16) << "]\n";
|
2014-05-01 13:33:40 +02:00
|
|
|
break;
|
|
|
|
case cmVARMUL:
|
2014-05-21 15:51:47 +02:00
|
|
|
qDebug() << "VARMUL \t" << "[ADDR: 0x" << QString::number(*m_vRPN[i].Val.ptr, 'f', 16) << "]" << " * ["
|
2014-05-01 13:33:40 +02:00
|
|
|
<< m_vRPN[i].Val.data << "]" << " + [" << m_vRPN[i].Val.data2 << "]\n";
|
|
|
|
break;
|
|
|
|
case cmFUNC:
|
|
|
|
qDebug() << "CALL\t" << "[ARG:" << m_vRPN[i].Fun.argc << "]" << "[ADDR: 0x" << m_vRPN[i].Fun.ptr << "]"
|
|
|
|
<< "\n";
|
|
|
|
break;
|
|
|
|
case cmFUNC_STR:
|
|
|
|
qDebug() << "CALL STRFUNC\t" << "[ARG:" << m_vRPN[i].Fun.argc << "]" << "[IDX:" << m_vRPN[i].Fun.idx
|
|
|
|
<< "]" << "[ADDR: 0x" << m_vRPN[i].Fun.ptr << "]\n";
|
|
|
|
break;
|
|
|
|
case cmLT:
|
|
|
|
qDebug() << "LT\n";
|
|
|
|
break;
|
|
|
|
case cmGT:
|
|
|
|
qDebug() << "GT\n";
|
|
|
|
break;
|
|
|
|
case cmLE:
|
|
|
|
qDebug() << "LE\n";
|
|
|
|
break;
|
|
|
|
case cmGE:
|
|
|
|
qDebug() << "GE\n";
|
|
|
|
break;
|
|
|
|
case cmEQ:
|
|
|
|
qDebug() << "EQ\n";
|
|
|
|
break;
|
|
|
|
case cmNEQ:
|
|
|
|
qDebug() << "NEQ\n";
|
|
|
|
break;
|
|
|
|
case cmADD:
|
|
|
|
qDebug() << "ADD\n";
|
|
|
|
break;
|
|
|
|
case cmLAND:
|
|
|
|
qDebug() << "&&\n";
|
|
|
|
break;
|
|
|
|
case cmLOR:
|
|
|
|
qDebug() << "||\n";
|
|
|
|
break;
|
|
|
|
case cmSUB:
|
|
|
|
qDebug() << "SUB\n";
|
|
|
|
break;
|
|
|
|
case cmMUL:
|
|
|
|
qDebug() << "MUL\n";
|
|
|
|
break;
|
|
|
|
case cmDIV:
|
|
|
|
qDebug() << "DIV\n";
|
|
|
|
break;
|
|
|
|
case cmPOW:
|
|
|
|
qDebug() << "POW\n";
|
|
|
|
break;
|
|
|
|
case cmIF:
|
|
|
|
qDebug() << "IF\t" << "[OFFSET:" << m_vRPN[i].Oprt.offset << "]\n";
|
|
|
|
break;
|
|
|
|
case cmELSE:
|
|
|
|
qDebug() << "ELSE\t" << "[OFFSET:" << m_vRPN[i].Oprt.offset << "]\n";
|
|
|
|
break;
|
|
|
|
case cmENDIF:
|
|
|
|
qDebug() << "ENDIF\n"; break;
|
|
|
|
case cmASSIGN:
|
|
|
|
qDebug() << "ASSIGN\t" << "[ADDR: 0x" << QString::number(*m_vRPN[i].Oprt.ptr, 'f', 16) << "]\n";
|
|
|
|
break;
|
|
|
|
case cmBO:
|
|
|
|
case cmBC:
|
|
|
|
case cmARG_SEP:
|
|
|
|
case cmPOW2:
|
|
|
|
case cmFUNC_BULK:
|
|
|
|
case cmSTRING:
|
|
|
|
case cmOPRT_BIN:
|
|
|
|
case cmOPRT_POSTFIX:
|
|
|
|
case cmOPRT_INFIX:
|
|
|
|
case cmEND:
|
|
|
|
case cmUNKNOWN:
|
|
|
|
default:
|
|
|
|
qDebug() << "(unknown code: " << m_vRPN[i].Cmd << ")\n";
|
|
|
|
break;
|
|
|
|
} // switch cmdCode
|
|
|
|
} // while bytecode
|
|
|
|
|
|
|
|
qDebug() << "END";
|
|
|
|
}
|
|
|
|
} // namespace qmu
|