sp
/
tempest
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

parsing pnpro files with constant definitions

tempestpy_adaptions
TimQu 6 years ago
parent
629c305456
commit
6a11927b55
2 changed files with 84 additions and 5 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 79
      src/storm-gspn/parser/GreatSpnEditorProjectParser.cpp
  2. 8
      src/storm-gspn/parser/GreatSpnEditorProjectParser.h

79
src/storm-gspn/parser/GreatSpnEditorProjectParser.cpp
View File

@ -9,6 +9,7 @@
#include "storm/exceptions/UnexpectedException.h"
#include "storm/exceptions/WrongFormatException.h"
#include "storm/exceptions/NotSupportedException.h"
#include "storm/utility/macros.h"
namespace {
@ -22,6 +23,9 @@ namespace {
namespace storm {
namespace parser {
GreatSpnEditorProjectParser::GreatSpnEditorProjectParser() : manager(std::make_shared<storm::expressions::ExpressionManager>()), expressionParser(*manager) {
// Intentionally left empty
}
storm::gspn::GSPN* GreatSpnEditorProjectParser::parse(xercesc::DOMElement const* elementRoot) {
if (storm::adapters::XMLtoString(elementRoot->getTagName()) == "project") {
@ -31,8 +35,6 @@ namespace storm {
// If the top-level node is not a "pnml" or "" node, then throw an exception.
STORM_LOG_THROW(false, storm::exceptions::UnexpectedException, "Failed to identify the root element.\n");
}
}
void GreatSpnEditorProjectParser::traverseProjectElement(xercesc::DOMNode const* const node) {
@ -118,6 +120,19 @@ namespace storm {
}
// traverse children
// First pass: find constant definitions
std::unordered_map<std::string, storm::expressions::Expression> identifierMapping;
expressionParser.setIdentifierMapping(identifierMapping);
for (uint_fast64_t i = 0; i < node->getChildNodes()->getLength(); ++i) {
auto child = node->getChildNodes()->item(i);
auto name = storm::adapters::getName(child);
if (name.compare("constant") == 0) {
traverseConstantElement(child, identifierMapping);
}
}
expressionParser.setIdentifierMapping(identifierMapping);
// Second pass: traverse other children
for (uint_fast64_t i = 0; i < node->getChildNodes()->getLength(); ++i) {
auto child = node->getChildNodes()->item(i);
auto name = storm::adapters::getName(child);
@ -126,6 +141,8 @@ namespace storm {
traversePlaceElement(child);
} else if(name.compare("transition") == 0) {
traverseTransitionElement(child);
} else if(name.compare("constant") == 0) {
// Ignore constant def in second pass
} else if (isOnlyWhitespace(name)) {
// ignore node (contains only whitespace)
} else {
@ -136,6 +153,59 @@ namespace storm {
}
}
void GreatSpnEditorProjectParser::traverseConstantElement(xercesc::DOMNode const* const node, std::unordered_map<std::string, storm::expressions::Expression>& identifierMapping) {
std::string identifier;
storm::expressions::Type type;
std::string valueStr = "";
// traverse attributes
for (uint_fast64_t i = 0; i < node->getAttributes()->getLength(); ++i) {
auto attr = node->getAttributes()->item(i);
auto name = storm::adapters::getName(attr);
if (name.compare("name") == 0) {
identifier = storm::adapters::XMLtoString(attr->getNodeValue());
} else if (name.compare("consttype") == 0) {
if (storm::adapters::XMLtoString(attr->getNodeValue()).compare("REAL") == 0) {
type = manager->getRationalType();
} else {
STORM_PRINT_AND_LOG("Unknown consttype: " << storm::adapters::XMLtoString(attr->getNodeValue()) << std::endl);
}
} else if (name.compare("value") == 0) {
valueStr = storm::adapters::XMLtoString(attr->getNodeValue());
} else if ((name == "x") || (name == "y")) {
// Ignore
} else {
// Found node or attribute which is at the moment not handled by this parser.
// Notify the user and continue the parsing.
STORM_PRINT_AND_LOG("unknown attribute (node=" + storm::adapters::XMLtoString(node->getNodeName()) + "): " + name + "\n");
}
}
storm::expressions::Expression valueExpression;
if (type.isRationalType()) {
expressionParser.setAcceptDoubleLiterals(true);
valueExpression = manager->rational(expressionParser.parseFromString(valueStr).evaluateAsRational());
} else {
STORM_LOG_THROW(false, storm::exceptions::NotSupportedException, "Unknown type of constant" << type << ".");
}
identifierMapping.emplace(identifier, valueExpression);
// traverse children
for (uint_fast64_t i = 0; i < node->getChildNodes()->getLength(); ++i) {
auto child = node->getChildNodes()->item(i);
auto name = storm::adapters::getName(child);
if (isOnlyWhitespace(name)) {
// ignore node (contains only whitespace)
} else {
// Found node or attribute which is at the moment nod handled by this parser.
// Notify the user and continue the parsing.
STORM_PRINT_AND_LOG("unknown child (node=" + storm::adapters::XMLtoString(node->getNodeName()) + "): " + name + "\n");
}
}
}
void GreatSpnEditorProjectParser::traverseEdgesElement(xercesc::DOMNode const* const node) {
// traverse attributes
for (uint_fast64_t i = 0; i < node->getAttributes()->getLength(); ++i) {
@ -217,7 +287,7 @@ namespace storm {
bool ignoreTransitionAttribute(std::string const& name) {
// TODO we should probably not ignore x-servers but check that it is 0.5.
if ((name == "label-x") || (name == "label-y") || (name == "x") || (name == "y") || (name == "nservers-x")) {
if ((name == "label-x") || (name == "label-y") || (name == "x") || (name == "y") || (name == "nservers-x") || (name == "delay-x") || (name == "delay-y") || (name == "rotation")) {
return true;
}
return false;
@ -242,7 +312,8 @@ namespace storm {
immediateTransition = true;
}
} else if(name.compare("delay") == 0) {
rate = std::stod(storm::adapters::XMLtoString(attr->getNodeValue()));
expressionParser.setAcceptDoubleLiterals(true);
rate = expressionParser.parseFromString(storm::adapters::XMLtoString(attr->getNodeValue())).evaluateAsDouble();
} else if (ignoreTransitionAttribute(name)) {
// ignore node
} else {

8
src/storm-gspn/parser/GreatSpnEditorProjectParser.h
View File

@ -7,6 +7,9 @@
#include <xercesc/parsers/XercesDOMParser.hpp>
#include <xercesc/util/XMLString.hpp>
#include "storm/storage/expressions/ExpressionManager.h"
#include "storm-parsers/parser/ExpressionParser.h"
#include "storm-gspn/storage/gspn/GSPN.h"
#include "storm-gspn/storage/gspn/GspnBuilder.h"
@ -17,6 +20,8 @@ namespace storm {
public:
GreatSpnEditorProjectParser();
/*!
* Parses the given file into the GSPN.
*
@ -31,6 +36,7 @@ namespace storm {
void traverseNodesElement(xercesc::DOMNode const* const node);
void traverseEdgesElement(xercesc::DOMNode const* const node);
void traverseConstantElement(xercesc::DOMNode const* const node, std::unordered_map<std::string, storm::expressions::Expression>& identifierMapping);
void traversePlaceElement(xercesc::DOMNode const* const node);
void traverseTransitionElement(xercesc::DOMNode const* const node);
void traverseArcElement(xercesc::DOMNode const* const node);
@ -38,6 +44,8 @@ namespace storm {
// the constructed gspn
storm::gspn::GspnBuilder builder;
std::shared_ptr<storm::expressions::ExpressionManager> manager;
storm::parser::ExpressionParser expressionParser;
};
}

Write Preview
Loading…
Cancel
Save