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/* |
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* Copyright (c) 2014 - 2017 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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NoOperation* noOp = dynamic_cast<NoOperation*>(&*statement); |
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return 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(); |
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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()); |
338 |
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(); |
344 |
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 { |
349 |
VMIntExpr* intExpr = dynamic_cast<VMIntExpr*>(result->resultValue()); |
350 |
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); |
374 |
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); |
380 |
if (intExpr) { |
381 |
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(); |
385 |
} |
386 |
} |
387 |
|
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int IntVariable::evalInt() { |
389 |
//printf("IntVariable::eval pos=%d\n", memPos); |
390 |
if (polyphonic) { |
391 |
//printf("evalInt() poly memPos=%d execCtx=0x%lx\n", memPos, (uint64_t)context->execContext); |
392 |
return context->execContext->polyphonicIntMemory[memPos]; |
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} |
394 |
return (*context->globalIntMemory)[memPos]; |
395 |
} |
396 |
|
397 |
void IntVariable::dump(int level) { |
398 |
printIndents(level); |
399 |
printf("IntVariable\n"); |
400 |
//printf("IntVariable memPos=%d\n", memPos); |
401 |
} |
402 |
|
403 |
//ConstIntVariable::ConstIntVariable(ParserContext* ctx, int value) |
404 |
ConstIntVariable::ConstIntVariable(int value) |
405 |
: IntVariable(NULL,false,true), value(value) |
406 |
{ |
407 |
} |
408 |
|
409 |
void ConstIntVariable::assign(Expression* expr) { |
410 |
// ignore assignment |
411 |
/* |
412 |
printf("ConstIntVariable::assign()\n"); |
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IntExpr* intExpr = dynamic_cast<IntExpr*>(expr); |
414 |
if (intExpr) { |
415 |
value = intExpr->evalInt(); |
416 |
} |
417 |
*/ |
418 |
} |
419 |
|
420 |
int ConstIntVariable::evalInt() { |
421 |
return value; |
422 |
} |
423 |
|
424 |
void ConstIntVariable::dump(int level) { |
425 |
printIndents(level); |
426 |
printf("ConstIntVariable val=%d\n", value); |
427 |
} |
428 |
|
429 |
BuiltInIntVariable::BuiltInIntVariable(const String& name, VMIntRelPtr* ptr) |
430 |
: IntVariable(NULL,false,false), name(name), ptr(ptr) |
431 |
{ |
432 |
} |
433 |
|
434 |
void BuiltInIntVariable::assign(Expression* expr) { |
435 |
IntExpr* valueExpr = dynamic_cast<IntExpr*>(expr); |
436 |
if (!valueExpr) return; |
437 |
ptr->assign(valueExpr->evalInt()); |
438 |
} |
439 |
|
440 |
int BuiltInIntVariable::evalInt() { |
441 |
return ptr->evalInt(); |
442 |
} |
443 |
|
444 |
void BuiltInIntVariable::dump(int level) { |
445 |
printIndents(level); |
446 |
printf("Built-in IntVar '%s'\n", name.c_str()); |
447 |
} |
448 |
|
449 |
PolyphonicIntVariable::PolyphonicIntVariable(ParserContext* ctx) |
450 |
: IntVariable(ctx,true,false) |
451 |
{ |
452 |
} |
453 |
|
454 |
void PolyphonicIntVariable::dump(int level) { |
455 |
printIndents(level); |
456 |
printf("PolyphonicIntVariable\n"); |
457 |
} |
458 |
|
459 |
IntArrayVariable::IntArrayVariable(ParserContext* ctx, int size) |
460 |
: Variable(ctx, 0, false) |
461 |
{ |
462 |
values.resize(size); |
463 |
memset(&values[0], 0, size * sizeof(int)); |
464 |
} |
465 |
|
466 |
IntArrayVariable::IntArrayVariable(ParserContext* ctx, int size, ArgsRef values, bool _bConst) |
467 |
: Variable(ctx, 0, _bConst) |
468 |
{ |
469 |
this->values.resize(size); |
470 |
for (int i = 0; i < values->argsCount(); ++i) { |
471 |
VMIntExpr* expr = dynamic_cast<VMIntExpr*>(values->arg(i)); |
472 |
if (expr) this->values[i] = expr->evalInt(); |
473 |
} |
474 |
} |
475 |
|
476 |
IntArrayVariable::IntArrayVariable(ParserContext* ctx, bool bConst) |
477 |
: Variable(ctx, 0, bConst) |
478 |
{ |
479 |
} |
480 |
|
481 |
int IntArrayVariable::evalIntElement(uint i) { |
482 |
if (i >= values.size()) return 0; |
483 |
return values[i]; |
484 |
} |
485 |
|
486 |
void IntArrayVariable::assignIntElement(uint i, int value) { |
487 |
if (i >= values.size()) return; |
488 |
values[i] = value; |
489 |
} |
490 |
|
491 |
void IntArrayVariable::dump(int level) { |
492 |
printIndents(level); |
493 |
printf("IntArray("); |
494 |
for (int i = 0; i < values.size(); ++i) { |
495 |
if (i % 12 == 0) { |
496 |
printf("\n"); |
497 |
printIndents(level+1); |
498 |
} |
499 |
printf("%d, ", values[i]); |
500 |
} |
501 |
printIndents(level); |
502 |
printf(")\n"); |
503 |
} |
504 |
|
505 |
BuiltInIntArrayVariable::BuiltInIntArrayVariable(const String& name, VMInt8Array* array) |
506 |
: IntArrayVariable(NULL, false), name(name), array(array) |
507 |
{ |
508 |
} |
509 |
|
510 |
int BuiltInIntArrayVariable::evalIntElement(uint i) { |
511 |
return i >= array->size ? 0 : array->data[i]; |
512 |
} |
513 |
|
514 |
void BuiltInIntArrayVariable::assignIntElement(uint i, int value) { |
515 |
if (i >= array->size) return; |
516 |
array->data[i] = value; |
517 |
} |
518 |
|
519 |
void BuiltInIntArrayVariable::dump(int level) { |
520 |
printIndents(level); |
521 |
printf("Built-In Int Array Variable '%s'\n", name.c_str()); |
522 |
} |
523 |
|
524 |
IntArrayElement::IntArrayElement(IntArrayVariableRef array, IntExprRef arrayIndex) |
525 |
: IntVariable(NULL, false, false, 0), array(array), index(arrayIndex) |
526 |
{ |
527 |
} |
528 |
|
529 |
void IntArrayElement::assign(Expression* expr) { |
530 |
IntExpr* valueExpr = dynamic_cast<IntExpr*>(expr); |
531 |
if (!valueExpr) return; |
532 |
int value = valueExpr->evalInt(); |
533 |
|
534 |
if (!index) return; |
535 |
int idx = index->evalInt(); |
536 |
if (idx < 0 || idx >= array->arraySize()) return; |
537 |
|
538 |
array->assignIntElement(idx, value); |
539 |
} |
540 |
|
541 |
int IntArrayElement::evalInt() { |
542 |
if (!index) return 0; |
543 |
int idx = index->evalInt(); |
544 |
if (idx < 0 || idx >= array->arraySize()) return 0; |
545 |
|
546 |
return array->evalIntElement(idx); |
547 |
} |
548 |
|
549 |
void IntArrayElement::dump(int level) { |
550 |
printIndents(level); |
551 |
printf("IntArrayElement\n"); |
552 |
} |
553 |
|
554 |
StringVariable::StringVariable(ParserContext* ctx) |
555 |
: Variable(ctx,ctx->globalStrVarCount++,false) |
556 |
{ |
557 |
} |
558 |
|
559 |
StringVariable::StringVariable(ParserContext* ctx, bool bConst) |
560 |
: Variable(ctx,0,bConst) |
561 |
{ |
562 |
} |
563 |
|
564 |
void StringVariable::assign(Expression* expr) { |
565 |
StringExpr* strExpr = dynamic_cast<StringExpr*>(expr); |
566 |
(*context->globalStrMemory)[memPos] = strExpr->evalStr(); |
567 |
} |
568 |
|
569 |
String StringVariable::evalStr() { |
570 |
//printf("StringVariable::eval pos=%d\n", memPos); |
571 |
return (*context->globalStrMemory)[memPos]; |
572 |
} |
573 |
|
574 |
void StringVariable::dump(int level) { |
575 |
printIndents(level); |
576 |
printf("StringVariable memPos=%d\n", memPos); |
577 |
} |
578 |
|
579 |
ConstStringVariable::ConstStringVariable(ParserContext* ctx, String _value) |
580 |
: StringVariable(ctx,true), value(_value) |
581 |
{ |
582 |
} |
583 |
|
584 |
void ConstStringVariable::assign(Expression* expr) { |
585 |
// ignore assignment |
586 |
// StringExpr* strExpr = dynamic_cast<StringExpr*>(expr); |
587 |
// if (strExpr) value = strExpr->evalStr(); |
588 |
} |
589 |
|
590 |
String ConstStringVariable::evalStr() { |
591 |
return value; |
592 |
} |
593 |
|
594 |
void ConstStringVariable::dump(int level) { |
595 |
printIndents(level); |
596 |
printf("ConstStringVariable val='%s'\n", value.c_str()); |
597 |
} |
598 |
|
599 |
void If::dump(int level) { |
600 |
printIndents(level); |
601 |
if (ifStatements && elseStatements) |
602 |
printf("if cond stmts1 else stmts2 end if\n"); |
603 |
else if (ifStatements) |
604 |
printf("if cond statements end if\n"); |
605 |
else |
606 |
printf("if [INVALID]\n"); |
607 |
} |
608 |
|
609 |
int If::evalBranch() { |
610 |
if (condition->evalInt()) return 0; |
611 |
if (elseStatements) return 1; |
612 |
return -1; |
613 |
} |
614 |
|
615 |
Statements* If::branch(uint i) const { |
616 |
if (i == 0) return (Statements*) &*ifStatements; |
617 |
if (i == 1) return (elseStatements) ? (Statements*) &*elseStatements : NULL; |
618 |
return NULL; |
619 |
} |
620 |
|
621 |
bool If::isPolyphonic() const { |
622 |
if (condition->isPolyphonic() || ifStatements->isPolyphonic()) |
623 |
return true; |
624 |
return elseStatements ? elseStatements->isPolyphonic() : false; |
625 |
} |
626 |
|
627 |
void SelectCase::dump(int level) { |
628 |
printIndents(level); |
629 |
if (select) |
630 |
if (select->isConstExpr()) |
631 |
printf("Case select %d\n", select->evalInt()); |
632 |
else |
633 |
printf("Case select [runtime expr]\n"); |
634 |
else |
635 |
printf("Case select NULL\n"); |
636 |
for (int i = 0; i < branches.size(); ++i) { |
637 |
printIndents(level+1); |
638 |
CaseBranch& branch = branches[i]; |
639 |
if (branch.from && branch.to) |
640 |
if (branch.from->isConstExpr() && branch.to->isConstExpr()) |
641 |
printf("case %d to %d\n", branch.from->evalInt(), branch.to->evalInt()); |
642 |
else if (branch.from->isConstExpr() && !branch.to->isConstExpr()) |
643 |
printf("case %d to [runtime expr]\n", branch.from->evalInt()); |
644 |
else if (!branch.from->isConstExpr() && branch.to->isConstExpr()) |
645 |
printf("case [runtime expr] to %d\n", branch.to->evalInt()); |
646 |
else |
647 |
printf("case [runtime expr] to [runtime expr]\n"); |
648 |
else if (branch.from) |
649 |
if (branch.from->isConstExpr()) |
650 |
printf("case %d\n", branch.from->evalInt()); |
651 |
else |
652 |
printf("case [runtime expr]\n"); |
653 |
else |
654 |
printf("case NULL\n"); |
655 |
} |
656 |
} |
657 |
|
658 |
int SelectCase::evalBranch() { |
659 |
int value = select->evalInt(); |
660 |
for (int i = 0; i < branches.size(); ++i) { |
661 |
if (branches.at(i).from && branches.at(i).to) { // i.e. "case 4 to 7" ... |
662 |
if (branches.at(i).from->evalInt() <= value && |
663 |
branches.at(i).to->evalInt() >= value) return i; |
664 |
} else { // i.e. "case 5" ... |
665 |
if (branches.at(i).from->evalInt() == value) return i; |
666 |
} |
667 |
} |
668 |
return -1; |
669 |
} |
670 |
|
671 |
Statements* SelectCase::branch(uint i) const { |
672 |
if (i < branches.size()) |
673 |
return const_cast<Statements*>( &*branches[i].statements ); |
674 |
return NULL; |
675 |
} |
676 |
|
677 |
bool SelectCase::isPolyphonic() const { |
678 |
if (select->isPolyphonic()) return true; |
679 |
for (int i = 0; i < branches.size(); ++i) |
680 |
if (branches[i].statements->isPolyphonic()) |
681 |
return true; |
682 |
return false; |
683 |
} |
684 |
|
685 |
// void Case::addBranch(IntExprRef condition, StatementsRef statements) { |
686 |
// CaseBranchRef b = new CaseBranchRef; |
687 |
// b->from = condition; |
688 |
// b->statements = statements; |
689 |
// branches.push_back(b); |
690 |
// } |
691 |
// |
692 |
// void Case::addBranch(IntExprRef from, IntExprRef to, StatementsRef statements) { |
693 |
// CaseBranchRef b = new CaseBranchRef; |
694 |
// b->from = from; |
695 |
// b->to = to; |
696 |
// b->statements = statements; |
697 |
// branches.push_back(b); |
698 |
// } |
699 |
// |
700 |
// void Case::addBranch(CaseBranchRef branch) { |
701 |
// branches.push_back(branch); |
702 |
// } |
703 |
|
704 |
void While::dump(int level) { |
705 |
printIndents(level); |
706 |
if (m_condition) |
707 |
if (m_condition->isConstExpr()) |
708 |
printf("while (%d) {\n", m_condition->evalInt()); |
709 |
else |
710 |
printf("while ([runtime expr]) {\n"); |
711 |
else |
712 |
printf("while ([INVALID]) {\n"); |
713 |
m_statements->dump(level+1); |
714 |
printIndents(level); |
715 |
printf("}\n"); |
716 |
} |
717 |
|
718 |
Statements* While::statements() const { |
719 |
return (m_statements) ? const_cast<Statements*>( &*m_statements ) : NULL; |
720 |
} |
721 |
|
722 |
bool While::evalLoopStartCondition() { |
723 |
if (!m_condition) return false; |
724 |
return m_condition->evalInt(); |
725 |
} |
726 |
|
727 |
void SyncBlock::dump(int level) { |
728 |
printIndents(level); |
729 |
printf("sync {\n"); |
730 |
m_statements->dump(level+1); |
731 |
printIndents(level); |
732 |
printf("}\n"); |
733 |
} |
734 |
|
735 |
Statements* SyncBlock::statements() const { |
736 |
return (m_statements) ? const_cast<Statements*>( &*m_statements ) : NULL; |
737 |
} |
738 |
|
739 |
void Neg::dump(int level) { |
740 |
printIndents(level); |
741 |
printf("Negative Expr\n"); |
742 |
} |
743 |
|
744 |
String ConcatString::evalStr() { |
745 |
// temporaries required here to enforce the associative left (to right) order |
746 |
// ( required for GCC and Visual Studio, see: |
747 |
// http://stackoverflow.com/questions/25842902/why-stdstring-concatenation-operator-works-like-right-associative-one |
748 |
// Personally I am not convinced that this is "not a bug" of the |
749 |
// compiler/STL implementation and the allegedly underlying "function call" |
750 |
// nature causing this is IMO no profound reason that the C++ language's |
751 |
// "+" operator's left associativity is ignored. -- Christian, 2016-07-14 ) |
752 |
String l = lhs->evalCastToStr(); |
753 |
String r = rhs->evalCastToStr(); |
754 |
return l + r; |
755 |
} |
756 |
|
757 |
void ConcatString::dump(int level) { |
758 |
printIndents(level); |
759 |
printf("ConcatString(\n"); |
760 |
lhs->dump(level+1); |
761 |
printIndents(level); |
762 |
printf(",\n"); |
763 |
rhs->dump(level+1); |
764 |
printIndents(level); |
765 |
printf(")"); |
766 |
} |
767 |
|
768 |
bool ConcatString::isConstExpr() const { |
769 |
return lhs->isConstExpr() && rhs->isConstExpr(); |
770 |
} |
771 |
|
772 |
int Relation::evalInt() { |
773 |
switch (type) { |
774 |
case LESS_THAN: |
775 |
return lhs->evalInt() < rhs->evalInt(); |
776 |
case GREATER_THAN: |
777 |
return lhs->evalInt() > rhs->evalInt(); |
778 |
case LESS_OR_EQUAL: |
779 |
return lhs->evalInt() <= rhs->evalInt(); |
780 |
case GREATER_OR_EQUAL: |
781 |
return lhs->evalInt() >= rhs->evalInt(); |
782 |
case EQUAL: |
783 |
if (lhs->exprType() == STRING_EXPR || rhs->exprType() == STRING_EXPR) |
784 |
return lhs->evalCastToStr() == rhs->evalCastToStr(); |
785 |
else |
786 |
return lhs->evalInt() == rhs->evalInt(); |
787 |
case NOT_EQUAL: |
788 |
if (lhs->exprType() == STRING_EXPR || rhs->exprType() == STRING_EXPR) |
789 |
return lhs->evalCastToStr() != rhs->evalCastToStr(); |
790 |
else |
791 |
return lhs->evalInt() != rhs->evalInt(); |
792 |
} |
793 |
return 0; |
794 |
} |
795 |
|
796 |
void Relation::dump(int level) { |
797 |
printIndents(level); |
798 |
printf("Relation(\n"); |
799 |
lhs->dump(level+1); |
800 |
printIndents(level); |
801 |
switch (type) { |
802 |
case LESS_THAN: |
803 |
printf("LESS_THAN\n"); |
804 |
break; |
805 |
case GREATER_THAN: |
806 |
printf("GREATER_THAN\n"); |
807 |
break; |
808 |
case LESS_OR_EQUAL: |
809 |
printf("LESS_OR_EQUAL\n"); |
810 |
break; |
811 |
case GREATER_OR_EQUAL: |
812 |
printf("GREATER_OR_EQUAL\n"); |
813 |
break; |
814 |
case EQUAL: |
815 |
printf("EQUAL\n"); |
816 |
break; |
817 |
case NOT_EQUAL: |
818 |
printf("NOT_EQUAL\n"); |
819 |
break; |
820 |
} |
821 |
rhs->dump(level+1); |
822 |
printIndents(level); |
823 |
printf(")\n"); |
824 |
} |
825 |
|
826 |
bool Relation::isConstExpr() const { |
827 |
return lhs->isConstExpr() && rhs->isConstExpr(); |
828 |
} |
829 |
|
830 |
int Or::evalInt() { |
831 |
IntExpr* pLHS = dynamic_cast<IntExpr*>(&*lhs); |
832 |
if (pLHS->evalInt()) return 1; |
833 |
IntExpr* pRHS = dynamic_cast<IntExpr*>(&*rhs);; |
834 |
return (pRHS->evalInt()) ? 1 : 0; |
835 |
} |
836 |
|
837 |
void Or::dump(int level) { |
838 |
printIndents(level); |
839 |
printf("Or(\n"); |
840 |
lhs->dump(level+1); |
841 |
printIndents(level); |
842 |
printf(",\n"); |
843 |
rhs->dump(level+1); |
844 |
printIndents(level); |
845 |
printf(")\n"); |
846 |
} |
847 |
|
848 |
int BitwiseOr::evalInt() { |
849 |
IntExpr* pLHS = dynamic_cast<IntExpr*>(&*lhs); |
850 |
IntExpr* pRHS = dynamic_cast<IntExpr*>(&*rhs); |
851 |
return pLHS->evalInt() | pRHS->evalInt(); |
852 |
} |
853 |
|
854 |
void BitwiseOr::dump(int level) { |
855 |
printIndents(level); |
856 |
printf("BitwiseOr(\n"); |
857 |
lhs->dump(level+1); |
858 |
printIndents(level); |
859 |
printf(",\n"); |
860 |
rhs->dump(level+1); |
861 |
printIndents(level); |
862 |
printf(")\n"); |
863 |
} |
864 |
|
865 |
int And::evalInt() { |
866 |
IntExpr* pLHS = dynamic_cast<IntExpr*>(&*lhs); |
867 |
if (!pLHS->evalInt()) return 0; |
868 |
IntExpr* pRHS = dynamic_cast<IntExpr*>(&*rhs); |
869 |
return (pRHS->evalInt()) ? 1 : 0; |
870 |
} |
871 |
|
872 |
void And::dump(int level) { |
873 |
printIndents(level); |
874 |
printf("And(\n"); |
875 |
lhs->dump(level+1); |
876 |
printIndents(level); |
877 |
printf(",\n"); |
878 |
rhs->dump(level+1); |
879 |
printIndents(level); |
880 |
printf(")\n"); |
881 |
} |
882 |
|
883 |
int BitwiseAnd::evalInt() { |
884 |
IntExpr* pLHS = dynamic_cast<IntExpr*>(&*lhs); |
885 |
IntExpr* pRHS = dynamic_cast<IntExpr*>(&*rhs); |
886 |
return pLHS->evalInt() & pRHS->evalInt(); |
887 |
} |
888 |
|
889 |
void BitwiseAnd::dump(int level) { |
890 |
printIndents(level); |
891 |
printf("BitwiseAnd(\n"); |
892 |
lhs->dump(level+1); |
893 |
printIndents(level); |
894 |
printf(",\n"); |
895 |
rhs->dump(level+1); |
896 |
printIndents(level); |
897 |
printf(")\n"); |
898 |
} |
899 |
|
900 |
void Not::dump(int level) { |
901 |
printIndents(level); |
902 |
printf("Not(\n"); |
903 |
expr->dump(level+1); |
904 |
printIndents(level); |
905 |
printf(")\n"); |
906 |
} |
907 |
|
908 |
void BitwiseNot::dump(int level) { |
909 |
printIndents(level); |
910 |
printf("BitwiseNot(\n"); |
911 |
expr->dump(level+1); |
912 |
printIndents(level); |
913 |
printf(")\n"); |
914 |
} |
915 |
|
916 |
StatementsRef ParserContext::userFunctionByName(const String& name) { |
917 |
if (!userFnTable.count(name)) { |
918 |
return StatementsRef(); |
919 |
} |
920 |
return userFnTable.find(name)->second; |
921 |
} |
922 |
|
923 |
VariableRef ParserContext::variableByName(const String& name) { |
924 |
if (!vartable.count(name)) { |
925 |
return VariableRef(); |
926 |
} |
927 |
return vartable.find(name)->second; |
928 |
} |
929 |
|
930 |
VariableRef ParserContext::globalVar(const String& name) { |
931 |
if (!vartable.count(name)) { |
932 |
//printf("No global var '%s'\n", name.c_str()); |
933 |
//for (std::map<String,VariableRef>::const_iterator it = vartable.begin(); it != vartable.end(); ++it) |
934 |
// printf("-> var '%s'\n", it->first.c_str()); |
935 |
return VariableRef(); |
936 |
} |
937 |
return vartable.find(name)->second; |
938 |
} |
939 |
|
940 |
IntVariableRef ParserContext::globalIntVar(const String& name) { |
941 |
return globalVar(name); |
942 |
} |
943 |
|
944 |
StringVariableRef ParserContext::globalStrVar(const String& name) { |
945 |
return globalVar(name); |
946 |
} |
947 |
|
948 |
ParserContext::~ParserContext() { |
949 |
destroyScanner(); |
950 |
if (globalIntMemory) { |
951 |
delete globalIntMemory; |
952 |
globalIntMemory = NULL; |
953 |
} |
954 |
} |
955 |
|
956 |
void ParserContext::addErr(int firstLine, int lastLine, int firstColumn, int lastColumn, const char* txt) { |
957 |
ParserIssue e; |
958 |
e.type = PARSER_ERROR; |
959 |
e.txt = txt; |
960 |
e.firstLine = firstLine; |
961 |
e.lastLine = lastLine; |
962 |
e.firstColumn = firstColumn; |
963 |
e.lastColumn = lastColumn; |
964 |
vErrors.push_back(e); |
965 |
vIssues.push_back(e); |
966 |
} |
967 |
|
968 |
void ParserContext::addWrn(int firstLine, int lastLine, int firstColumn, int lastColumn, const char* txt) { |
969 |
ParserIssue w; |
970 |
w.type = PARSER_WARNING; |
971 |
w.txt = txt; |
972 |
w.firstLine = firstLine; |
973 |
w.lastLine = lastLine; |
974 |
w.firstColumn = firstColumn; |
975 |
w.lastColumn = lastColumn; |
976 |
vWarnings.push_back(w); |
977 |
vIssues.push_back(w); |
978 |
} |
979 |
|
980 |
void ParserContext::addPreprocessorComment(int firstLine, int lastLine, int firstColumn, int lastColumn) { |
981 |
CodeBlock block; |
982 |
block.firstLine = firstLine; |
983 |
block.lastLine = lastLine; |
984 |
block.firstColumn = firstColumn; |
985 |
block.lastColumn = lastColumn; |
986 |
vPreprocessorComments.push_back(block); |
987 |
} |
988 |
|
989 |
bool ParserContext::setPreprocessorCondition(const char* name) { |
990 |
if (builtinPreprocessorConditions.count(name)) return false; |
991 |
if (userPreprocessorConditions.count(name)) return false; |
992 |
userPreprocessorConditions.insert(name); |
993 |
return true; |
994 |
} |
995 |
|
996 |
bool ParserContext::resetPreprocessorCondition(const char* name) { |
997 |
if (builtinPreprocessorConditions.count(name)) return false; |
998 |
if (!userPreprocessorConditions.count(name)) return false; |
999 |
userPreprocessorConditions.erase(name); |
1000 |
return true; |
1001 |
} |
1002 |
|
1003 |
bool ParserContext::isPreprocessorConditionSet(const char* name) { |
1004 |
if (builtinPreprocessorConditions.count(name)) return true; |
1005 |
return userPreprocessorConditions.count(name); |
1006 |
} |
1007 |
|
1008 |
std::vector<ParserIssue> ParserContext::issues() const { |
1009 |
return vIssues; |
1010 |
} |
1011 |
|
1012 |
std::vector<ParserIssue> ParserContext::errors() const { |
1013 |
return vErrors; |
1014 |
} |
1015 |
|
1016 |
std::vector<ParserIssue> ParserContext::warnings() const { |
1017 |
return vWarnings; |
1018 |
} |
1019 |
|
1020 |
std::vector<CodeBlock> ParserContext::preprocessorComments() const { |
1021 |
return vPreprocessorComments; |
1022 |
} |
1023 |
|
1024 |
VMEventHandler* ParserContext::eventHandler(uint index) { |
1025 |
if (!handlers) return NULL; |
1026 |
return handlers->eventHandler(index); |
1027 |
} |
1028 |
|
1029 |
VMEventHandler* ParserContext::eventHandlerByName(const String& name) { |
1030 |
if (!handlers) return NULL; |
1031 |
return handlers->eventHandlerByName(name); |
1032 |
} |
1033 |
|
1034 |
void ParserContext::registerBuiltInConstIntVariables(const std::map<String,int>& vars) { |
1035 |
for (std::map<String,int>::const_iterator it = vars.begin(); |
1036 |
it != vars.end(); ++it) |
1037 |
{ |
1038 |
ConstIntVariableRef ref = new ConstIntVariable(it->second); |
1039 |
vartable[it->first] = ref; |
1040 |
} |
1041 |
} |
1042 |
|
1043 |
void ParserContext::registerBuiltInIntVariables(const std::map<String,VMIntRelPtr*>& vars) { |
1044 |
for (std::map<String,VMIntRelPtr*>::const_iterator it = vars.begin(); |
1045 |
it != vars.end(); ++it) |
1046 |
{ |
1047 |
BuiltInIntVariableRef ref = new BuiltInIntVariable(it->first, it->second); |
1048 |
vartable[it->first] = ref; |
1049 |
} |
1050 |
} |
1051 |
|
1052 |
void ParserContext::registerBuiltInIntArrayVariables(const std::map<String,VMInt8Array*>& vars) { |
1053 |
for (std::map<String,VMInt8Array*>::const_iterator it = vars.begin(); |
1054 |
it != vars.end(); ++it) |
1055 |
{ |
1056 |
BuiltInIntArrayVariableRef ref = new BuiltInIntArrayVariable(it->first, it->second); |
1057 |
vartable[it->first] = ref; |
1058 |
} |
1059 |
} |
1060 |
|
1061 |
void ParserContext::registerBuiltInDynVariables(const std::map<String,VMDynVar*>& vars) { |
1062 |
for (std::map<String,VMDynVar*>::const_iterator it = vars.begin(); |
1063 |
it != vars.end(); ++it) |
1064 |
{ |
1065 |
DynamicVariableCallRef ref = new DynamicVariableCall(it->first, this, it->second); |
1066 |
vartable[it->first] = ref; |
1067 |
} |
1068 |
} |
1069 |
|
1070 |
} // namespace LinuxSampler |