100 lines
6.0 KiB
100 lines
6.0 KiB
#include "src/generator/VariableInformation.h"
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#include "src/storage/prism/Program.h"
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#include "src/storage/jani/Model.h"
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#include "src/utility/macros.h"
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#include "src/exceptions/InvalidArgumentException.h"
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namespace storm {
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namespace generator {
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BooleanVariableInformation::BooleanVariableInformation(storm::expressions::Variable const& variable, uint_fast64_t bitOffset) : variable(variable), bitOffset(bitOffset) {
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// Intentionally left empty.
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}
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IntegerVariableInformation::IntegerVariableInformation(storm::expressions::Variable const& variable, int_fast64_t lowerBound, int_fast64_t upperBound, uint_fast64_t bitOffset, uint_fast64_t bitWidth) : variable(variable), lowerBound(lowerBound), upperBound(upperBound), bitOffset(bitOffset), bitWidth(bitWidth) {
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// Intentionally left empty.
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}
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LocationVariableInformation::LocationVariableInformation(uint64_t highestValue, uint_fast64_t bitOffset, uint_fast64_t bitWidth) : highestValue(highestValue), bitOffset(bitOffset), bitWidth(bitWidth) {
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// Intentionally left empty.
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}
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VariableInformation::VariableInformation(storm::prism::Program const& program) : totalBitOffset(0) {
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for (auto const& booleanVariable : program.getGlobalBooleanVariables()) {
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booleanVariables.emplace_back(booleanVariable.getExpressionVariable(), totalBitOffset);
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++totalBitOffset;
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}
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for (auto const& integerVariable : program.getGlobalIntegerVariables()) {
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int_fast64_t lowerBound = integerVariable.getLowerBoundExpression().evaluateAsInt();
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int_fast64_t upperBound = integerVariable.getUpperBoundExpression().evaluateAsInt();
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uint_fast64_t bitwidth = static_cast<uint_fast64_t>(std::ceil(std::log2(upperBound - lowerBound + 1)));
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integerVariables.emplace_back(integerVariable.getExpressionVariable(), lowerBound, upperBound, totalBitOffset, bitwidth);
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totalBitOffset += bitwidth;
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}
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for (auto const& module : program.getModules()) {
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for (auto const& booleanVariable : module.getBooleanVariables()) {
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booleanVariables.emplace_back(booleanVariable.getExpressionVariable(), totalBitOffset);
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++totalBitOffset;
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}
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for (auto const& integerVariable : module.getIntegerVariables()) {
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int_fast64_t lowerBound = integerVariable.getLowerBoundExpression().evaluateAsInt();
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int_fast64_t upperBound = integerVariable.getUpperBoundExpression().evaluateAsInt();
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uint_fast64_t bitwidth = static_cast<uint_fast64_t>(std::ceil(std::log2(upperBound - lowerBound + 1)));
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integerVariables.emplace_back(integerVariable.getExpressionVariable(), lowerBound, upperBound, totalBitOffset, bitwidth);
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totalBitOffset += bitwidth;
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}
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}
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sortVariables();
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}
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VariableInformation::VariableInformation(storm::jani::Model const& model) {
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for (auto const& variable : model.getGlobalVariables().getBooleanVariables()) {
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booleanVariables.emplace_back(variable.getExpressionVariable(), totalBitOffset);
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++totalBitOffset;
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}
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for (auto const& variable : model.getGlobalVariables().getBoundedIntegerVariables()) {
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int_fast64_t lowerBound = variable.getLowerBound().evaluateAsInt();
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int_fast64_t upperBound = variable.getUpperBound().evaluateAsInt();
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uint_fast64_t bitwidth = static_cast<uint_fast64_t>(std::ceil(std::log2(upperBound - lowerBound + 1)));
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integerVariables.emplace_back(variable.getExpressionVariable(), lowerBound, upperBound, totalBitOffset, bitwidth);
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totalBitOffset += bitwidth;
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}
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for (auto const& automaton : model.getAutomata()) {
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uint_fast64_t bitwidth = static_cast<uint_fast64_t>(std::ceil(std::log2(automaton.getNumberOfLocations())));
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locationVariables.emplace_back(automaton.getNumberOfLocations() - 1, totalBitOffset, bitwidth);
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totalBitOffset += bitwidth;
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for (auto const& variable : automaton.getVariables().getBooleanVariables()) {
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booleanVariables.emplace_back(variable.getExpressionVariable(), totalBitOffset);
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++totalBitOffset;
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}
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for (auto const& variable : automaton.getVariables().getBoundedIntegerVariables()) {
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int_fast64_t lowerBound = variable.getLowerBound().evaluateAsInt();
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int_fast64_t upperBound = variable.getUpperBound().evaluateAsInt();
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uint_fast64_t bitwidth = static_cast<uint_fast64_t>(std::ceil(std::log2(upperBound - lowerBound + 1)));
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integerVariables.emplace_back(variable.getExpressionVariable(), lowerBound, upperBound, totalBitOffset, bitwidth);
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totalBitOffset += bitwidth;
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}
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}
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sortVariables();
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}
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uint_fast64_t VariableInformation::getTotalBitOffset(bool roundTo64Bit) const {
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uint_fast64_t result = totalBitOffset;
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if (roundTo64Bit) {
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result = ((result >> 6) + 1) << 6;
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}
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return result;
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}
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void VariableInformation::sortVariables() {
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// Sort the variables so we can make some assumptions when iterating over them (in the next-state generators).
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std::sort(booleanVariables.begin(), booleanVariables.end(), [] (BooleanVariableInformation const& a, BooleanVariableInformation const& b) { return a.variable < b.variable; } );
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std::sort(integerVariables.begin(), integerVariables.end(), [] (IntegerVariableInformation const& a, IntegerVariableInformation const& b) { return a.variable < b.variable; });
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}
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}
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}
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