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/* |
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* Copyright (c) 2014 - 2019 Christian Schoenebeck and Andreas Persson |
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* |
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* http://www.linuxsampler.org |
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* |
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* This file is part of LinuxSampler and released under the same terms. |
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* See README file for details. |
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*/ |
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|
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#include <cstdio> |
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#include <string.h> |
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#include "tree.h" |
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#include "../common/global_private.h" |
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#include <assert.h> |
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|
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namespace LinuxSampler { |
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|
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bool isNoOperation(StatementRef statement) { |
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return statement->statementType() == STMT_NOOP; |
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} |
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|
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Node::Node() { |
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} |
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|
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Node::~Node() { |
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} |
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|
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void Node::printIndents(int n) { |
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for (int i = 0; i < n; ++i) printf(" "); |
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fflush(stdout); |
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} |
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|
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String IntExpr::evalCastToStr() { |
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return ToString(evalInt()); |
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} |
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|
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String IntArrayExpr::evalCastToStr() { |
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String s = "{"; |
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for (int i = 0; i < arraySize(); ++i) { |
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int val = evalIntElement(i); |
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if (i) s += ","; |
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s += ToString(val); |
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} |
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s += "}"; |
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return s; |
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} |
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|
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int IntLiteral::evalInt() { |
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return value; |
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} |
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|
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void IntLiteral::dump(int level) { |
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printIndents(level); |
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printf("IntLiteral %d\n", value); |
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} |
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|
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void StringLiteral::dump(int level) { |
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printIndents(level); |
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printf("StringLiteral: '%s'\n", value.c_str()); |
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} |
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|
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int Add::evalInt() { |
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IntExpr* pLHS = dynamic_cast<IntExpr*>(&*lhs); |
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IntExpr* pRHS = dynamic_cast<IntExpr*>(&*rhs);; |
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return (pLHS && pRHS) ? pLHS->evalInt() + pRHS->evalInt() : 0; |
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} |
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|
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void Add::dump(int level) { |
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printIndents(level); |
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printf("Add(\n"); |
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lhs->dump(level+1); |
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printIndents(level); |
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printf(",\n"); |
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rhs->dump(level+1); |
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printIndents(level); |
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printf(")\n"); |
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} |
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|
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int Sub::evalInt() { |
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IntExpr* pLHS = dynamic_cast<IntExpr*>(&*lhs); |
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IntExpr* pRHS = dynamic_cast<IntExpr*>(&*rhs);; |
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return (pLHS && pRHS) ? pLHS->evalInt() - pRHS->evalInt() : 0; |
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} |
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|
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void Sub::dump(int level) { |
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printIndents(level); |
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printf("Sub(\n"); |
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lhs->dump(level+1); |
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printIndents(level); |
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printf(",\n"); |
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rhs->dump(level+1); |
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printIndents(level); |
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printf(")\n"); |
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} |
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|
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int Mul::evalInt() { |
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IntExpr* pLHS = dynamic_cast<IntExpr*>(&*lhs); |
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IntExpr* pRHS = dynamic_cast<IntExpr*>(&*rhs);; |
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return (pLHS && pRHS) ? pLHS->evalInt() * pRHS->evalInt() : 0; |
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} |
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|
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void Mul::dump(int level) { |
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printIndents(level); |
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printf("Mul(\n"); |
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lhs->dump(level+1); |
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printIndents(level); |
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printf(",\n"); |
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rhs->dump(level+1); |
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printIndents(level); |
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printf(")\n"); |
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} |
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|
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int Div::evalInt() { |
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IntExpr* pLHS = dynamic_cast<IntExpr*>(&*lhs); |
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IntExpr* pRHS = dynamic_cast<IntExpr*>(&*rhs); |
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if (!pLHS || !pRHS) return 0; |
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int l = pLHS->evalInt(); |
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int r = pRHS->evalInt(); |
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if (r == 0) return 0; |
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return l / r; |
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} |
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|
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void Div::dump(int level) { |
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printIndents(level); |
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printf("Div(\n"); |
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lhs->dump(level+1); |
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printIndents(level); |
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printf(",\n"); |
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rhs->dump(level+1); |
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printIndents(level); |
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printf(")\n"); |
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} |
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|
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int Mod::evalInt() { |
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IntExpr* pLHS = dynamic_cast<IntExpr*>(&*lhs); |
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IntExpr* pRHS = dynamic_cast<IntExpr*>(&*rhs);; |
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return (pLHS && pRHS) ? pLHS->evalInt() % pRHS->evalInt() : 0; |
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} |
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|
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void Mod::dump(int level) { |
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printIndents(level); |
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printf("Mod(\n"); |
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lhs->dump(level+1); |
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printIndents(level); |
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printf(",\n"); |
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rhs->dump(level+1); |
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printIndents(level); |
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printf(")\n"); |
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} |
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|
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void Args::dump(int level) { |
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printIndents(level); |
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printf("Args(\n"); |
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for (std::vector<ExpressionRef>::iterator it = args.begin() ; it != args.end() ; ++it) { |
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(*it)->dump(level+1); |
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} |
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printIndents(level); |
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printf(")\n"); |
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} |
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|
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bool Args::isPolyphonic() const { |
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for (int i = 0; i < args.size(); ++i) |
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if (args[i]->isPolyphonic()) |
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return true; |
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return false; |
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} |
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|
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EventHandlers::EventHandlers() { |
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//printf("EventHandlers::Constructor 0x%lx\n", (long long)this); |
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} |
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|
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EventHandlers::~EventHandlers() { |
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} |
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|
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void EventHandlers::add(EventHandlerRef arg) { |
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args.push_back(arg); |
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} |
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|
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void EventHandlers::dump(int level) { |
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printIndents(level); |
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printf("EventHandlers {\n"); |
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for (std::vector<EventHandlerRef>::iterator it = args.begin() ; it != args.end() ; ++it) { |
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(*it)->dump(level+1); |
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} |
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printIndents(level); |
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printf("}\n"); |
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} |
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|
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EventHandler* EventHandlers::eventHandlerByName(const String& name) const { |
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for (int i = 0; i < args.size(); ++i) |
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if (args.at(i)->eventHandlerName() == name) |
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return const_cast<EventHandler*>(&*args.at(i)); |
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return NULL; |
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} |
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|
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EventHandler* EventHandlers::eventHandler(uint index) const { |
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if (index >= args.size()) return NULL; |
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return const_cast<EventHandler*>(&*args.at(index)); |
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} |
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|
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bool EventHandlers::isPolyphonic() const { |
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for (int i = 0; i < args.size(); ++i) |
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if (args[i]->isPolyphonic()) |
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return true; |
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return false; |
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} |
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|
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Assignment::Assignment(VariableRef variable, ExpressionRef value) |
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: variable(variable), value(value) |
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{ |
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} |
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|
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void Assignment::dump(int level) { |
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printIndents(level); |
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printf("Assignment\n"); |
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} |
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|
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StmtFlags_t Assignment::exec() { |
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if (!variable) |
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return StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED); |
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variable->assign(&*value); |
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return STMT_SUCCESS; |
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} |
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|
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EventHandler::EventHandler(StatementsRef statements) { |
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this->statements = statements; |
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usingPolyphonics = statements->isPolyphonic(); |
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} |
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|
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void EventHandler::dump(int level) { |
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printIndents(level); |
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printf("EventHandler {\n"); |
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statements->dump(level+1); |
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printIndents(level); |
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printf("}\n"); |
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} |
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|
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void Statements::dump(int level) { |
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printIndents(level); |
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printf("Statements {\n"); |
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for (std::vector<StatementRef>::iterator it = args.begin() ; it != args.end() ; ++it) { |
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(*it)->dump(level+1); |
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} |
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printIndents(level); |
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printf("}\n"); |
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} |
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|
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Statement* Statements::statement(uint i) { |
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if (i >= args.size()) return NULL; |
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return &*args.at(i); |
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} |
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|
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bool Statements::isPolyphonic() const { |
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for (int i = 0; i < args.size(); ++i) |
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if (args[i]->isPolyphonic()) |
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return true; |
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return false; |
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} |
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|
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DynamicVariableCall::DynamicVariableCall(const String& name, ParserContext* ctx, VMDynVar* v) |
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: Variable(ctx, 0, false), dynVar(v), varName(name) |
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{ |
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} |
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|
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int DynamicVariableCall::evalInt() { |
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VMIntExpr* expr = dynamic_cast<VMIntExpr*>(dynVar); |
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if (!expr) return 0; |
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return expr->evalInt(); |
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} |
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|
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String DynamicVariableCall::evalStr() { |
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VMStringExpr* expr = dynamic_cast<VMStringExpr*>(dynVar); |
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if (!expr) return ""; |
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return expr->evalStr(); |
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} |
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|
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String DynamicVariableCall::evalCastToStr() { |
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if (dynVar->exprType() == STRING_EXPR) { |
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return evalStr(); |
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} else { |
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VMIntExpr* intExpr = dynamic_cast<VMIntExpr*>(dynVar); |
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return intExpr ? ToString(intExpr->evalInt()) : ""; |
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} |
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} |
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|
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void DynamicVariableCall::dump(int level) { |
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printIndents(level); |
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printf("Dynamic Variable '%s'\n", varName.c_str()); |
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} |
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|
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void FunctionCall::dump(int level) { |
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printIndents(level); |
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printf("FunctionCall '%s' args={\n", functionName.c_str()); |
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args->dump(level+1); |
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printIndents(level); |
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printf("}\n"); |
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} |
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|
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ExprType_t FunctionCall::exprType() const { |
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if (!fn) return EMPTY_EXPR; |
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return fn->returnType(); |
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} |
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|
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VMFnResult* FunctionCall::execVMFn() { |
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if (!fn) return NULL; |
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// assuming here that all argument checks (amount and types) have been made |
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// at parse time, to avoid time intensive checks on each function call |
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return fn->exec(dynamic_cast<VMFnArgs*>(&*args)); |
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} |
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|
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StmtFlags_t FunctionCall::exec() { |
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VMFnResult* result = execVMFn(); |
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if (!result) |
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return StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED); |
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return result->resultFlags(); |
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} |
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|
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int FunctionCall::evalInt() { |
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VMFnResult* result = execVMFn(); |
320 |
if (!result) return 0; |
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VMIntExpr* intExpr = dynamic_cast<VMIntExpr*>(result->resultValue()); |
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if (!intExpr) return 0; |
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return intExpr->evalInt(); |
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} |
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|
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VMIntArrayExpr* FunctionCall::asIntArray() const { |
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VMFnResult* result = const_cast<FunctionCall*>(this)->execVMFn(); |
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if (!result) return 0; |
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VMIntArrayExpr* intArrExpr = dynamic_cast<VMIntArrayExpr*>(result->resultValue()); |
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return intArrExpr; |
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} |
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|
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String FunctionCall::evalStr() { |
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VMFnResult* result = execVMFn(); |
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if (!result) return ""; |
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VMStringExpr* strExpr = dynamic_cast<VMStringExpr*>(result->resultValue()); |
337 |
if (!strExpr) return ""; |
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return strExpr->evalStr(); |
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} |
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|
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String FunctionCall::evalCastToStr() { |
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VMFnResult* result = execVMFn(); |
343 |
if (!result) return ""; |
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if (result->resultValue()->exprType() == STRING_EXPR) { |
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VMStringExpr* strExpr = dynamic_cast<VMStringExpr*>(result->resultValue()); |
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return strExpr ? strExpr->evalStr() : ""; |
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} else { |
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VMIntExpr* intExpr = dynamic_cast<VMIntExpr*>(result->resultValue()); |
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return intExpr ? ToString(intExpr->evalInt()) : ""; |
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} |
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} |
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|
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IntVariable::IntVariable(ParserContext* ctx) |
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: Variable(ctx, ctx ? ctx->globalIntVarCount++ : 0, false), polyphonic(false) |
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{ |
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//printf("globalIntVar parserctx=0x%lx memPOS=%d\n", ctx, memPos); |
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assert(ctx); |
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} |
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|
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inline static int postfixInc(int& object, int incBy) { |
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const int i = object; |
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object += incBy; |
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return i; |
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} |
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|
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IntVariable::IntVariable(ParserContext* ctx, bool polyphonic, bool bConst, int size) |
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: Variable(ctx, !ctx ? 0 : polyphonic ? postfixInc(ctx->polyphonicIntVarCount, size) : postfixInc(ctx->globalIntVarCount, size), bConst), |
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polyphonic(polyphonic) |
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{ |
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//printf("InvVar size=%d parserCtx=0x%lx\n", size, (uint64_t)ctx); |
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if (polyphonic) { |
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//printf("polyIntVar memPOS=%d\n", memPos); |
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assert(ctx); |
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} |
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} |
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|
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void IntVariable::assign(Expression* expr) { |
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IntExpr* intExpr = dynamic_cast<IntExpr*>(expr); |
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if (intExpr) { |
380 |
if (polyphonic) |
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context->execContext->polyphonicIntMemory[memPos] = intExpr->evalInt(); |
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else |
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(*context->globalIntMemory)[memPos] = intExpr->evalInt(); |
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} |
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} |
386 |
|
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int IntVariable::evalInt() { |
388 |
//printf("IntVariable::eval pos=%d\n", memPos); |
389 |
if (polyphonic) { |
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//printf("evalInt() poly memPos=%d execCtx=0x%lx\n", memPos, (uint64_t)context->execContext); |
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return context->execContext->polyphonicIntMemory[memPos]; |
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} |
393 |
return (*context->globalIntMemory)[memPos]; |
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} |
395 |
|
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void IntVariable::dump(int level) { |
397 |
printIndents(level); |
398 |
printf("IntVariable\n"); |
399 |
//printf("IntVariable memPos=%d\n", memPos); |
400 |
} |
401 |
|
402 |
//ConstIntVariable::ConstIntVariable(ParserContext* ctx, int value) |
403 |
ConstIntVariable::ConstIntVariable(int value) |
404 |
: IntVariable(NULL,false,true), value(value) |
405 |
{ |
406 |
} |
407 |
|
408 |
void ConstIntVariable::assign(Expression* expr) { |
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// ignore assignment |
410 |
/* |
411 |
printf("ConstIntVariable::assign()\n"); |
412 |
IntExpr* intExpr = dynamic_cast<IntExpr*>(expr); |
413 |
if (intExpr) { |
414 |
value = intExpr->evalInt(); |
415 |
} |
416 |
*/ |
417 |
} |
418 |
|
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int ConstIntVariable::evalInt() { |
420 |
return value; |
421 |
} |
422 |
|
423 |
void ConstIntVariable::dump(int level) { |
424 |
printIndents(level); |
425 |
printf("ConstIntVariable val=%d\n", value); |
426 |
} |
427 |
|
428 |
BuiltInIntVariable::BuiltInIntVariable(const String& name, VMIntRelPtr* ptr) |
429 |
: IntVariable(NULL,false,false), name(name), ptr(ptr) |
430 |
{ |
431 |
} |
432 |
|
433 |
void BuiltInIntVariable::assign(Expression* expr) { |
434 |
IntExpr* valueExpr = dynamic_cast<IntExpr*>(expr); |
435 |
if (!valueExpr) return; |
436 |
ptr->assign(valueExpr->evalInt()); |
437 |
} |
438 |
|
439 |
int BuiltInIntVariable::evalInt() { |
440 |
return ptr->evalInt(); |
441 |
} |
442 |
|
443 |
void BuiltInIntVariable::dump(int level) { |
444 |
printIndents(level); |
445 |
printf("Built-in IntVar '%s'\n", name.c_str()); |
446 |
} |
447 |
|
448 |
PolyphonicIntVariable::PolyphonicIntVariable(ParserContext* ctx) |
449 |
: IntVariable(ctx,true,false) |
450 |
{ |
451 |
} |
452 |
|
453 |
void PolyphonicIntVariable::dump(int level) { |
454 |
printIndents(level); |
455 |
printf("PolyphonicIntVariable\n"); |
456 |
} |
457 |
|
458 |
IntArrayVariable::IntArrayVariable(ParserContext* ctx, int size) |
459 |
: Variable(ctx, 0, false) |
460 |
{ |
461 |
values.resize(size); |
462 |
memset(&values[0], 0, size * sizeof(int)); |
463 |
} |
464 |
|
465 |
IntArrayVariable::IntArrayVariable(ParserContext* ctx, int size, ArgsRef values, bool _bConst) |
466 |
: Variable(ctx, 0, _bConst) |
467 |
{ |
468 |
this->values.resize(size); |
469 |
for (int i = 0; i < values->argsCount(); ++i) { |
470 |
VMIntExpr* expr = dynamic_cast<VMIntExpr*>(values->arg(i)); |
471 |
if (expr) this->values[i] = expr->evalInt(); |
472 |
} |
473 |
} |
474 |
|
475 |
IntArrayVariable::IntArrayVariable(ParserContext* ctx, bool bConst) |
476 |
: Variable(ctx, 0, bConst) |
477 |
{ |
478 |
} |
479 |
|
480 |
int IntArrayVariable::evalIntElement(uint i) { |
481 |
if (i >= values.size()) return 0; |
482 |
return values[i]; |
483 |
} |
484 |
|
485 |
void IntArrayVariable::assignIntElement(uint i, int value) { |
486 |
if (i >= values.size()) return; |
487 |
values[i] = value; |
488 |
} |
489 |
|
490 |
void IntArrayVariable::dump(int level) { |
491 |
printIndents(level); |
492 |
printf("IntArray("); |
493 |
for (int i = 0; i < values.size(); ++i) { |
494 |
if (i % 12 == 0) { |
495 |
printf("\n"); |
496 |
printIndents(level+1); |
497 |
} |
498 |
printf("%d, ", values[i]); |
499 |
} |
500 |
printIndents(level); |
501 |
printf(")\n"); |
502 |
} |
503 |
|
504 |
BuiltInIntArrayVariable::BuiltInIntArrayVariable(const String& name, VMInt8Array* array) |
505 |
: IntArrayVariable(NULL, false), name(name), array(array) |
506 |
{ |
507 |
} |
508 |
|
509 |
int BuiltInIntArrayVariable::evalIntElement(uint i) { |
510 |
return i >= array->size ? 0 : array->data[i]; |
511 |
} |
512 |
|
513 |
void BuiltInIntArrayVariable::assignIntElement(uint i, int value) { |
514 |
if (i >= array->size) return; |
515 |
array->data[i] = value; |
516 |
} |
517 |
|
518 |
void BuiltInIntArrayVariable::dump(int level) { |
519 |
printIndents(level); |
520 |
printf("Built-In Int Array Variable '%s'\n", name.c_str()); |
521 |
} |
522 |
|
523 |
IntArrayElement::IntArrayElement(IntArrayExprRef array, IntExprRef arrayIndex) |
524 |
: IntVariable(NULL, false, false, 0), array(array), index(arrayIndex) |
525 |
{ |
526 |
} |
527 |
|
528 |
void IntArrayElement::assign(Expression* expr) { |
529 |
IntExpr* valueExpr = dynamic_cast<IntExpr*>(expr); |
530 |
if (!valueExpr) return; |
531 |
int value = valueExpr->evalInt(); |
532 |
|
533 |
if (!index) return; |
534 |
int idx = index->evalInt(); |
535 |
if (idx < 0 || idx >= array->arraySize()) return; |
536 |
|
537 |
array->assignIntElement(idx, value); |
538 |
} |
539 |
|
540 |
int IntArrayElement::evalInt() { |
541 |
if (!index) return 0; |
542 |
int idx = index->evalInt(); |
543 |
if (idx < 0 || idx >= array->arraySize()) return 0; |
544 |
|
545 |
return array->evalIntElement(idx); |
546 |
} |
547 |
|
548 |
void IntArrayElement::dump(int level) { |
549 |
printIndents(level); |
550 |
printf("IntArrayElement\n"); |
551 |
} |
552 |
|
553 |
StringVariable::StringVariable(ParserContext* ctx) |
554 |
: Variable(ctx,ctx->globalStrVarCount++,false) |
555 |
{ |
556 |
} |
557 |
|
558 |
StringVariable::StringVariable(ParserContext* ctx, bool bConst) |
559 |
: Variable(ctx,0,bConst) |
560 |
{ |
561 |
} |
562 |
|
563 |
void StringVariable::assign(Expression* expr) { |
564 |
StringExpr* strExpr = dynamic_cast<StringExpr*>(expr); |
565 |
(*context->globalStrMemory)[memPos] = strExpr->evalStr(); |
566 |
} |
567 |
|
568 |
String StringVariable::evalStr() { |
569 |
//printf("StringVariable::eval pos=%d\n", memPos); |
570 |
return (*context->globalStrMemory)[memPos]; |
571 |
} |
572 |
|
573 |
void StringVariable::dump(int level) { |
574 |
printIndents(level); |
575 |
printf("StringVariable memPos=%d\n", memPos); |
576 |
} |
577 |
|
578 |
ConstStringVariable::ConstStringVariable(ParserContext* ctx, String _value) |
579 |
: StringVariable(ctx,true), value(_value) |
580 |
{ |
581 |
} |
582 |
|
583 |
void ConstStringVariable::assign(Expression* expr) { |
584 |
// ignore assignment |
585 |
// StringExpr* strExpr = dynamic_cast<StringExpr*>(expr); |
586 |
// if (strExpr) value = strExpr->evalStr(); |
587 |
} |
588 |
|
589 |
String ConstStringVariable::evalStr() { |
590 |
return value; |
591 |
} |
592 |
|
593 |
void ConstStringVariable::dump(int level) { |
594 |
printIndents(level); |
595 |
printf("ConstStringVariable val='%s'\n", value.c_str()); |
596 |
} |
597 |
|
598 |
void If::dump(int level) { |
599 |
printIndents(level); |
600 |
if (ifStatements && elseStatements) |
601 |
printf("if cond stmts1 else stmts2 end if\n"); |
602 |
else if (ifStatements) |
603 |
printf("if cond statements end if\n"); |
604 |
else |
605 |
printf("if [INVALID]\n"); |
606 |
} |
607 |
|
608 |
int If::evalBranch() { |
609 |
if (condition->evalInt()) return 0; |
610 |
if (elseStatements) return 1; |
611 |
return -1; |
612 |
} |
613 |
|
614 |
Statements* If::branch(uint i) const { |
615 |
if (i == 0) return (Statements*) &*ifStatements; |
616 |
if (i == 1) return (elseStatements) ? (Statements*) &*elseStatements : NULL; |
617 |
return NULL; |
618 |
} |
619 |
|
620 |
bool If::isPolyphonic() const { |
621 |
if (condition->isPolyphonic() || ifStatements->isPolyphonic()) |
622 |
return true; |
623 |
return elseStatements ? elseStatements->isPolyphonic() : false; |
624 |
} |
625 |
|
626 |
void SelectCase::dump(int level) { |
627 |
printIndents(level); |
628 |
if (select) |
629 |
if (select->isConstExpr()) |
630 |
printf("Case select %d\n", select->evalInt()); |
631 |
else |
632 |
printf("Case select [runtime expr]\n"); |
633 |
else |
634 |
printf("Case select NULL\n"); |
635 |
for (int i = 0; i < branches.size(); ++i) { |
636 |
printIndents(level+1); |
637 |
CaseBranch& branch = branches[i]; |
638 |
if (branch.from && branch.to) |
639 |
if (branch.from->isConstExpr() && branch.to->isConstExpr()) |
640 |
printf("case %d to %d\n", branch.from->evalInt(), branch.to->evalInt()); |
641 |
else if (branch.from->isConstExpr() && !branch.to->isConstExpr()) |
642 |
printf("case %d to [runtime expr]\n", branch.from->evalInt()); |
643 |
else if (!branch.from->isConstExpr() && branch.to->isConstExpr()) |
644 |
printf("case [runtime expr] to %d\n", branch.to->evalInt()); |
645 |
else |
646 |
printf("case [runtime expr] to [runtime expr]\n"); |
647 |
else if (branch.from) |
648 |
if (branch.from->isConstExpr()) |
649 |
printf("case %d\n", branch.from->evalInt()); |
650 |
else |
651 |
printf("case [runtime expr]\n"); |
652 |
else |
653 |
printf("case NULL\n"); |
654 |
} |
655 |
} |
656 |
|
657 |
int SelectCase::evalBranch() { |
658 |
int value = select->evalInt(); |
659 |
for (int i = 0; i < branches.size(); ++i) { |
660 |
if (branches.at(i).from && branches.at(i).to) { // i.e. "case 4 to 7" ... |
661 |
if (branches.at(i).from->evalInt() <= value && |
662 |
branches.at(i).to->evalInt() >= value) return i; |
663 |
} else { // i.e. "case 5" ... |
664 |
if (branches.at(i).from->evalInt() == value) return i; |
665 |
} |
666 |
} |
667 |
return -1; |
668 |
} |
669 |
|
670 |
Statements* SelectCase::branch(uint i) const { |
671 |
if (i < branches.size()) |
672 |
return const_cast<Statements*>( &*branches[i].statements ); |
673 |
return NULL; |
674 |
} |
675 |
|
676 |
bool SelectCase::isPolyphonic() const { |
677 |
if (select->isPolyphonic()) return true; |
678 |
for (int i = 0; i < branches.size(); ++i) |
679 |
if (branches[i].statements->isPolyphonic()) |
680 |
return true; |
681 |
return false; |
682 |
} |
683 |
|
684 |
// void Case::addBranch(IntExprRef condition, StatementsRef statements) { |
685 |
// CaseBranchRef b = new CaseBranchRef; |
686 |
// b->from = condition; |
687 |
// b->statements = statements; |
688 |
// branches.push_back(b); |
689 |
// } |
690 |
// |
691 |
// void Case::addBranch(IntExprRef from, IntExprRef to, StatementsRef statements) { |
692 |
// CaseBranchRef b = new CaseBranchRef; |
693 |
// b->from = from; |
694 |
// b->to = to; |
695 |
// b->statements = statements; |
696 |
// branches.push_back(b); |
697 |
// } |
698 |
// |
699 |
// void Case::addBranch(CaseBranchRef branch) { |
700 |
// branches.push_back(branch); |
701 |
// } |
702 |
|
703 |
void While::dump(int level) { |
704 |
printIndents(level); |
705 |
if (m_condition) |
706 |
if (m_condition->isConstExpr()) |
707 |
printf("while (%d) {\n", m_condition->evalInt()); |
708 |
else |
709 |
printf("while ([runtime expr]) {\n"); |
710 |
else |
711 |
printf("while ([INVALID]) {\n"); |
712 |
m_statements->dump(level+1); |
713 |
printIndents(level); |
714 |
printf("}\n"); |
715 |
} |
716 |
|
717 |
Statements* While::statements() const { |
718 |
return (m_statements) ? const_cast<Statements*>( &*m_statements ) : NULL; |
719 |
} |
720 |
|
721 |
bool While::evalLoopStartCondition() { |
722 |
if (!m_condition) return false; |
723 |
return m_condition->evalInt(); |
724 |
} |
725 |
|
726 |
void SyncBlock::dump(int level) { |
727 |
printIndents(level); |
728 |
printf("sync {\n"); |
729 |
m_statements->dump(level+1); |
730 |
printIndents(level); |
731 |
printf("}\n"); |
732 |
} |
733 |
|
734 |
Statements* SyncBlock::statements() const { |
735 |
return (m_statements) ? const_cast<Statements*>( &*m_statements ) : NULL; |
736 |
} |
737 |
|
738 |
void Neg::dump(int level) { |
739 |
printIndents(level); |
740 |
printf("Negative Expr\n"); |
741 |
} |
742 |
|
743 |
String ConcatString::evalStr() { |
744 |
// temporaries required here to enforce the associative left (to right) order |
745 |
// ( required for GCC and Visual Studio, see: |
746 |
// http://stackoverflow.com/questions/25842902/why-stdstring-concatenation-operator-works-like-right-associative-one |
747 |
// Personally I am not convinced that this is "not a bug" of the |
748 |
// compiler/STL implementation and the allegedly underlying "function call" |
749 |
// nature causing this is IMO no profound reason that the C++ language's |
750 |
// "+" operator's left associativity is ignored. -- Christian, 2016-07-14 ) |
751 |
String l = lhs->evalCastToStr(); |
752 |
String r = rhs->evalCastToStr(); |
753 |
return l + r; |
754 |
} |
755 |
|
756 |
void ConcatString::dump(int level) { |
757 |
printIndents(level); |
758 |
printf("ConcatString(\n"); |
759 |
lhs->dump(level+1); |
760 |
printIndents(level); |
761 |
printf(",\n"); |
762 |
rhs->dump(level+1); |
763 |
printIndents(level); |
764 |
printf(")"); |
765 |
} |
766 |
|
767 |
bool ConcatString::isConstExpr() const { |
768 |
return lhs->isConstExpr() && rhs->isConstExpr(); |
769 |
} |
770 |
|
771 |
int Relation::evalInt() { |
772 |
switch (type) { |
773 |
case LESS_THAN: |
774 |
return lhs->evalInt() < rhs->evalInt(); |
775 |
case GREATER_THAN: |
776 |
return lhs->evalInt() > rhs->evalInt(); |
777 |
case LESS_OR_EQUAL: |
778 |
return lhs->evalInt() <= rhs->evalInt(); |
779 |
case GREATER_OR_EQUAL: |
780 |
return lhs->evalInt() >= rhs->evalInt(); |
781 |
case EQUAL: |
782 |
if (lhs->exprType() == STRING_EXPR || rhs->exprType() == STRING_EXPR) |
783 |
return lhs->evalCastToStr() == rhs->evalCastToStr(); |
784 |
else |
785 |
return lhs->evalInt() == rhs->evalInt(); |
786 |
case NOT_EQUAL: |
787 |
if (lhs->exprType() == STRING_EXPR || rhs->exprType() == STRING_EXPR) |
788 |
return lhs->evalCastToStr() != rhs->evalCastToStr(); |
789 |
else |
790 |
return lhs->evalInt() != rhs->evalInt(); |
791 |
} |
792 |
return 0; |
793 |
} |
794 |
|
795 |
void Relation::dump(int level) { |
796 |
printIndents(level); |
797 |
printf("Relation(\n"); |
798 |
lhs->dump(level+1); |
799 |
printIndents(level); |
800 |
switch (type) { |
801 |
case LESS_THAN: |
802 |
printf("LESS_THAN\n"); |
803 |
break; |
804 |
case GREATER_THAN: |
805 |
printf("GREATER_THAN\n"); |
806 |
break; |
807 |
case LESS_OR_EQUAL: |
808 |
printf("LESS_OR_EQUAL\n"); |
809 |
break; |
810 |
case GREATER_OR_EQUAL: |
811 |
printf("GREATER_OR_EQUAL\n"); |
812 |
break; |
813 |
case EQUAL: |
814 |
printf("EQUAL\n"); |
815 |
break; |
816 |
case NOT_EQUAL: |
817 |
printf("NOT_EQUAL\n"); |
818 |
break; |
819 |
} |
820 |
rhs->dump(level+1); |
821 |
printIndents(level); |
822 |
printf(")\n"); |
823 |
} |
824 |
|
825 |
bool Relation::isConstExpr() const { |
826 |
return lhs->isConstExpr() && rhs->isConstExpr(); |
827 |
} |
828 |
|
829 |
int Or::evalInt() { |
830 |
IntExpr* pLHS = dynamic_cast<IntExpr*>(&*lhs); |
831 |
if (pLHS->evalInt()) return 1; |
832 |
IntExpr* pRHS = dynamic_cast<IntExpr*>(&*rhs);; |
833 |
return (pRHS->evalInt()) ? 1 : 0; |
834 |
} |
835 |
|
836 |
void Or::dump(int level) { |
837 |
printIndents(level); |
838 |
printf("Or(\n"); |
839 |
lhs->dump(level+1); |
840 |
printIndents(level); |
841 |
printf(",\n"); |
842 |
rhs->dump(level+1); |
843 |
printIndents(level); |
844 |
printf(")\n"); |
845 |
} |
846 |
|
847 |
int BitwiseOr::evalInt() { |
848 |
IntExpr* pLHS = dynamic_cast<IntExpr*>(&*lhs); |
849 |
IntExpr* pRHS = dynamic_cast<IntExpr*>(&*rhs); |
850 |
return pLHS->evalInt() | pRHS->evalInt(); |
851 |
} |
852 |
|
853 |
void BitwiseOr::dump(int level) { |
854 |
printIndents(level); |
855 |
printf("BitwiseOr(\n"); |
856 |
lhs->dump(level+1); |
857 |
printIndents(level); |
858 |
printf(",\n"); |
859 |
rhs->dump(level+1); |
860 |
printIndents(level); |
861 |
printf(")\n"); |
862 |
} |
863 |
|
864 |
int And::evalInt() { |
865 |
IntExpr* pLHS = dynamic_cast<IntExpr*>(&*lhs); |
866 |
if (!pLHS->evalInt()) return 0; |
867 |
IntExpr* pRHS = dynamic_cast<IntExpr*>(&*rhs); |
868 |
return (pRHS->evalInt()) ? 1 : 0; |
869 |
} |
870 |
|
871 |
void And::dump(int level) { |
872 |
printIndents(level); |
873 |
printf("And(\n"); |
874 |
lhs->dump(level+1); |
875 |
printIndents(level); |
876 |
printf(",\n"); |
877 |
rhs->dump(level+1); |
878 |
printIndents(level); |
879 |
printf(")\n"); |
880 |
} |
881 |
|
882 |
int BitwiseAnd::evalInt() { |
883 |
IntExpr* pLHS = dynamic_cast<IntExpr*>(&*lhs); |
884 |
IntExpr* pRHS = dynamic_cast<IntExpr*>(&*rhs); |
885 |
return pLHS->evalInt() & pRHS->evalInt(); |
886 |
} |
887 |
|
888 |
void BitwiseAnd::dump(int level) { |
889 |
printIndents(level); |
890 |
printf("BitwiseAnd(\n"); |
891 |
lhs->dump(level+1); |
892 |
printIndents(level); |
893 |
printf(",\n"); |
894 |
rhs->dump(level+1); |
895 |
printIndents(level); |
896 |
printf(")\n"); |
897 |
} |
898 |
|
899 |
void Not::dump(int level) { |
900 |
printIndents(level); |
901 |
printf("Not(\n"); |
902 |
expr->dump(level+1); |
903 |
printIndents(level); |
904 |
printf(")\n"); |
905 |
} |
906 |
|
907 |
void BitwiseNot::dump(int level) { |
908 |
printIndents(level); |
909 |
printf("BitwiseNot(\n"); |
910 |
expr->dump(level+1); |
911 |
printIndents(level); |
912 |
printf(")\n"); |
913 |
} |
914 |
|
915 |
StatementsRef ParserContext::userFunctionByName(const String& name) { |
916 |
if (!userFnTable.count(name)) { |
917 |
return StatementsRef(); |
918 |
} |
919 |
return userFnTable.find(name)->second; |
920 |
} |
921 |
|
922 |
VariableRef ParserContext::variableByName(const String& name) { |
923 |
if (!vartable.count(name)) { |
924 |
return VariableRef(); |
925 |
} |
926 |
return vartable.find(name)->second; |
927 |
} |
928 |
|
929 |
VariableRef ParserContext::globalVar(const String& name) { |
930 |
if (!vartable.count(name)) { |
931 |
//printf("No global var '%s'\n", name.c_str()); |
932 |
//for (std::map<String,VariableRef>::const_iterator it = vartable.begin(); it != vartable.end(); ++it) |
933 |
// printf("-> var '%s'\n", it->first.c_str()); |
934 |
return VariableRef(); |
935 |
} |
936 |
return vartable.find(name)->second; |
937 |
} |
938 |
|
939 |
IntVariableRef ParserContext::globalIntVar(const String& name) { |
940 |
return globalVar(name); |
941 |
} |
942 |
|
943 |
StringVariableRef ParserContext::globalStrVar(const String& name) { |
944 |
return globalVar(name); |
945 |
} |
946 |
|
947 |
ParserContext::~ParserContext() { |
948 |
destroyScanner(); |
949 |
if (globalIntMemory) { |
950 |
delete globalIntMemory; |
951 |
globalIntMemory = NULL; |
952 |
} |
953 |
} |
954 |
|
955 |
void ParserContext::addErr(int firstLine, int lastLine, int firstColumn, int lastColumn, const char* txt) { |
956 |
ParserIssue e; |
957 |
e.type = PARSER_ERROR; |
958 |
e.txt = txt; |
959 |
e.firstLine = firstLine; |
960 |
e.lastLine = lastLine; |
961 |
e.firstColumn = firstColumn; |
962 |
e.lastColumn = lastColumn; |
963 |
vErrors.push_back(e); |
964 |
vIssues.push_back(e); |
965 |
} |
966 |
|
967 |
void ParserContext::addWrn(int firstLine, int lastLine, int firstColumn, int lastColumn, const char* txt) { |
968 |
ParserIssue w; |
969 |
w.type = PARSER_WARNING; |
970 |
w.txt = txt; |
971 |
w.firstLine = firstLine; |
972 |
w.lastLine = lastLine; |
973 |
w.firstColumn = firstColumn; |
974 |
w.lastColumn = lastColumn; |
975 |
vWarnings.push_back(w); |
976 |
vIssues.push_back(w); |
977 |
} |
978 |
|
979 |
void ParserContext::addPreprocessorComment(int firstLine, int lastLine, int firstColumn, int lastColumn) { |
980 |
CodeBlock block; |
981 |
block.firstLine = firstLine; |
982 |
block.lastLine = lastLine; |
983 |
block.firstColumn = firstColumn; |
984 |
block.lastColumn = lastColumn; |
985 |
vPreprocessorComments.push_back(block); |
986 |
} |
987 |
|
988 |
bool ParserContext::setPreprocessorCondition(const char* name) { |
989 |
if (builtinPreprocessorConditions.count(name)) return false; |
990 |
if (userPreprocessorConditions.count(name)) return false; |
991 |
userPreprocessorConditions.insert(name); |
992 |
return true; |
993 |
} |
994 |
|
995 |
bool ParserContext::resetPreprocessorCondition(const char* name) { |
996 |
if (builtinPreprocessorConditions.count(name)) return false; |
997 |
if (!userPreprocessorConditions.count(name)) return false; |
998 |
userPreprocessorConditions.erase(name); |
999 |
return true; |
1000 |
} |
1001 |
|
1002 |
bool ParserContext::isPreprocessorConditionSet(const char* name) { |
1003 |
if (builtinPreprocessorConditions.count(name)) return true; |
1004 |
return userPreprocessorConditions.count(name); |
1005 |
} |
1006 |
|
1007 |
std::vector<ParserIssue> ParserContext::issues() const { |
1008 |
return vIssues; |
1009 |
} |
1010 |
|
1011 |
std::vector<ParserIssue> ParserContext::errors() const { |
1012 |
return vErrors; |
1013 |
} |
1014 |
|
1015 |
std::vector<ParserIssue> ParserContext::warnings() const { |
1016 |
return vWarnings; |
1017 |
} |
1018 |
|
1019 |
std::vector<CodeBlock> ParserContext::preprocessorComments() const { |
1020 |
return vPreprocessorComments; |
1021 |
} |
1022 |
|
1023 |
VMEventHandler* ParserContext::eventHandler(uint index) { |
1024 |
if (!handlers) return NULL; |
1025 |
return handlers->eventHandler(index); |
1026 |
} |
1027 |
|
1028 |
VMEventHandler* ParserContext::eventHandlerByName(const String& name) { |
1029 |
if (!handlers) return NULL; |
1030 |
return handlers->eventHandlerByName(name); |
1031 |
} |
1032 |
|
1033 |
void ParserContext::registerBuiltInConstIntVariables(const std::map<String,int>& vars) { |
1034 |
for (std::map<String,int>::const_iterator it = vars.begin(); |
1035 |
it != vars.end(); ++it) |
1036 |
{ |
1037 |
ConstIntVariableRef ref = new ConstIntVariable(it->second); |
1038 |
vartable[it->first] = ref; |
1039 |
} |
1040 |
} |
1041 |
|
1042 |
void ParserContext::registerBuiltInIntVariables(const std::map<String,VMIntRelPtr*>& vars) { |
1043 |
for (std::map<String,VMIntRelPtr*>::const_iterator it = vars.begin(); |
1044 |
it != vars.end(); ++it) |
1045 |
{ |
1046 |
BuiltInIntVariableRef ref = new BuiltInIntVariable(it->first, it->second); |
1047 |
vartable[it->first] = ref; |
1048 |
} |
1049 |
} |
1050 |
|
1051 |
void ParserContext::registerBuiltInIntArrayVariables(const std::map<String,VMInt8Array*>& vars) { |
1052 |
for (std::map<String,VMInt8Array*>::const_iterator it = vars.begin(); |
1053 |
it != vars.end(); ++it) |
1054 |
{ |
1055 |
BuiltInIntArrayVariableRef ref = new BuiltInIntArrayVariable(it->first, it->second); |
1056 |
vartable[it->first] = ref; |
1057 |
} |
1058 |
} |
1059 |
|
1060 |
void ParserContext::registerBuiltInDynVariables(const std::map<String,VMDynVar*>& vars) { |
1061 |
for (std::map<String,VMDynVar*>::const_iterator it = vars.begin(); |
1062 |
it != vars.end(); ++it) |
1063 |
{ |
1064 |
DynamicVariableCallRef ref = new DynamicVariableCall(it->first, this, it->second); |
1065 |
vartable[it->first] = ref; |
1066 |
} |
1067 |
} |
1068 |
|
1069 |
ExecContext::ExecContext() : |
1070 |
status(VM_EXEC_NOT_RUNNING), flags(STMT_SUCCESS), stackFrame(-1), |
1071 |
suspendMicroseconds(0), instructionsCount(0) |
1072 |
{ |
1073 |
exitRes.value = NULL; |
1074 |
} |
1075 |
|
1076 |
void ExecContext::forkTo(VMExecContext* ectx) const { |
1077 |
ExecContext* child = dynamic_cast<ExecContext*>(ectx); |
1078 |
|
1079 |
child->polyphonicIntMemory.copyFlatFrom(polyphonicIntMemory); |
1080 |
child->status = VM_EXEC_SUSPENDED; |
1081 |
child->flags = STMT_SUCCESS; |
1082 |
child->stack.copyFlatFrom(stack); |
1083 |
child->stackFrame = stackFrame; |
1084 |
child->suspendMicroseconds = 0; |
1085 |
child->instructionsCount = 0; |
1086 |
} |
1087 |
|
1088 |
} // namespace LinuxSampler |