diff options
author | Stefan Radomski <sradomski@mintwerk.de> | 2016-01-28 22:13:18 (GMT) |
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committer | Stefan Radomski <sradomski@mintwerk.de> | 2016-01-28 22:13:18 (GMT) |
commit | 81799f6f7d667e11ba0a30875046ca3dc0c63fe7 (patch) | |
tree | 77e8047d8854e5210cfe1f261cf8a43451f7dae8 /src/uscxml/transform | |
parent | 2c0b28093912f23e52e79281dddb6e2049673f29 (diff) | |
download | uscxml-81799f6f7d667e11ba0a30875046ca3dc0c63fe7.zip uscxml-81799f6f7d667e11ba0a30875046ca3dc0c63fe7.tar.gz uscxml-81799f6f7d667e11ba0a30875046ca3dc0c63fe7.tar.bz2 |
Actually generate ANSI C code in uscxml-transform
Diffstat (limited to 'src/uscxml/transform')
-rw-r--r-- | src/uscxml/transform/ChartToC.cpp | 218 | ||||
-rw-r--r-- | src/uscxml/transform/ChartToC.h | 8 | ||||
-rw-r--r-- | src/uscxml/transform/ChartToVHDL.cpp | 287 | ||||
-rw-r--r-- | src/uscxml/transform/ChartToVHDL.h | 40 |
4 files changed, 217 insertions, 336 deletions
diff --git a/src/uscxml/transform/ChartToC.cpp b/src/uscxml/transform/ChartToC.cpp index 2fc392a..eb462a1 100644 --- a/src/uscxml/transform/ChartToC.cpp +++ b/src/uscxml/transform/ChartToC.cpp @@ -47,8 +47,8 @@ Transformer ChartToC::transform(const Interpreter& other) { ChartToC::ChartToC(const Interpreter& other) : TransformerImpl() { cloneFrom(other.getImpl()); } - -void ChartToC::setHistoryResponsibility(Arabica::DOM::Node<std::string>& node) { + +void ChartToC::setHistoryResponsibility() { std::set<std::string> elements; elements.insert(_nsInfo.xmlNSPrefix + "history"); Arabica::XPath::NodeSet<std::string> histories = inPostFixOrder(elements, _scxml); @@ -106,7 +106,6 @@ void ChartToC::setHistoryResponsibility(Arabica::DOM::Node<std::string>& node) { } } - void ChartToC::resortStates(Arabica::DOM::Node<std::string>& node) { if (node.getNodeType() != Node_base::ELEMENT_NODE) return; @@ -173,83 +172,91 @@ void ChartToC::resortStates(Arabica::DOM::Node<std::string>& node) { } -void ChartToC::writeTo(std::ostream& stream) { - _binding = (HAS_ATTR(_scxml, "binding") && iequals(ATTR(_scxml, "binding"), "late") ? LATE : EARLY); - _name = (HAS_ATTR(_scxml, "name") ? ATTR(_scxml, "name") : ""); - - // make sure initial and history elements always precede propoer states - resortStates(_scxml); - - std::set<std::string> elements; - elements.insert(_nsInfo.xmlNSPrefix + "scxml"); - elements.insert(_nsInfo.xmlNSPrefix + "state"); - elements.insert(_nsInfo.xmlNSPrefix + "final"); - elements.insert(_nsInfo.xmlNSPrefix + "parallel"); - elements.insert(_nsInfo.xmlNSPrefix + "history"); - elements.insert(_nsInfo.xmlNSPrefix + "initial"); - elements.insert(_nsInfo.xmlNSPrefix + "parallel"); - _states = inDocumentOrder(elements, _scxml); - - for (size_t i = 0; i < _states.size(); i++) { - Element<std::string> state(_states[i]); - state.setAttribute("documentOrder", toStr(i)); - if (HAS_ATTR(state, "id")) { - _stateNames[ATTR(state, "id")] = state; - } - } - - elements.clear(); - elements.insert(_nsInfo.xmlNSPrefix + "transition"); - _transitions = inPostFixOrder(elements, _scxml); - - for (size_t i = 0; i < _transitions.size(); i++) { - Element<std::string> transition(_transitions[i]); - transition.setAttribute("postFixOrder", toStr(i)); - } - - // how many bits do we need to represent the state array? - std::string seperator; - _stateCharArraySize = ceil((float)_states.size() / (float)8); - _stateCharArrayInit = "{"; - for (size_t i = 0; i < _stateCharArraySize; i++) { - _stateCharArrayInit += seperator + "0"; - seperator = ", "; - } - _stateCharArrayInit += "}"; - - if (false) { - } else if (_states.size() < (1UL << 8)) { - _stateDataType = "uint8_t"; - } else if (_states.size() < (1UL << 16)) { - _stateDataType = "uint16_t"; - } else if (_states.size() < (1UL << 32)) { - _stateDataType = "uint32_t"; - } else { - _stateDataType = "uint64_t"; - } - - seperator = ""; - _transCharArraySize = ceil((float)_transitions.size() / (float)8); - _transCharArrayInit = "{"; - for (size_t i = 0; i < _transCharArraySize; i++) { - _transCharArrayInit += seperator + "0"; - seperator = ", "; - } - _transCharArrayInit += "}"; - - if (false) { - } else if (_transitions.size() < (1UL << 8)) { - _transDataType = "uint8_t"; - } else if (_transitions.size() < (1UL << 16)) { - _transDataType = "uint16_t"; - } else if (_transitions.size() < (1UL << 32)) { - _transDataType = "uint32_t"; - } else { - _transDataType = "uint64_t"; - } +void ChartToC::prepare() { + _binding = (HAS_ATTR(_scxml, "binding") && iequals(ATTR(_scxml, "binding"), "late") ? LATE : EARLY); + _name = (HAS_ATTR(_scxml, "name") ? ATTR(_scxml, "name") : ""); + + // make sure initial and history elements always precede propoer states + resortStates(_scxml); + + std::set<std::string> elements; + elements.insert(_nsInfo.xmlNSPrefix + "scxml"); + elements.insert(_nsInfo.xmlNSPrefix + "state"); + elements.insert(_nsInfo.xmlNSPrefix + "final"); + elements.insert(_nsInfo.xmlNSPrefix + "parallel"); + elements.insert(_nsInfo.xmlNSPrefix + "history"); + elements.insert(_nsInfo.xmlNSPrefix + "initial"); + elements.insert(_nsInfo.xmlNSPrefix + "parallel"); + _states = inDocumentOrder(elements, _scxml); + + for (size_t i = 0; i < _states.size(); i++) { + Element<std::string> state(_states[i]); + state.setAttribute("documentOrder", toStr(i)); + } + + elements.clear(); + elements.insert(_nsInfo.xmlNSPrefix + "transition"); + _transitions = inDocumentOrder(elements, _scxml); + for (size_t i = 0; i < _transitions.size(); i++) { + Element<std::string> transition(_transitions[i]); + transition.setAttribute("documentOrder", toStr(i)); + } + + _transitions = inPostFixOrder(elements, _scxml); + for (size_t i = 0; i < _transitions.size(); i++) { + Element<std::string> transition(_transitions[i]); + transition.setAttribute("postFixOrder", toStr(i)); + } + // leave transitions in postfix order + + // set the responsibility of history elements + setHistoryResponsibility(); + + // how many bits do we need to represent the state array? + std::string seperator; + _stateCharArraySize = ceil((float)_states.size() / (float)8); + _stateCharArrayInit = "{"; + for (size_t i = 0; i < _stateCharArraySize; i++) { + _stateCharArrayInit += seperator + "0"; + seperator = ", "; + } + _stateCharArrayInit += "}"; + + if (false) { + } else if (_states.size() < (1UL << 8)) { + _stateDataType = "uint8_t"; + } else if (_states.size() < (1UL << 16)) { + _stateDataType = "uint16_t"; + } else if (_states.size() < (1UL << 32)) { + _stateDataType = "uint32_t"; + } else { + _stateDataType = "uint64_t"; + } + + seperator = ""; + _transCharArraySize = ceil((float)_transitions.size() / (float)8); + _transCharArrayInit = "{"; + for (size_t i = 0; i < _transCharArraySize; i++) { + _transCharArrayInit += seperator + "0"; + seperator = ", "; + } + _transCharArrayInit += "}"; + + if (false) { + } else if (_transitions.size() < (1UL << 8)) { + _transDataType = "uint8_t"; + } else if (_transitions.size() < (1UL << 16)) { + _transDataType = "uint16_t"; + } else if (_transitions.size() < (1UL << 32)) { + _transDataType = "uint32_t"; + } else { + _transDataType = "uint64_t"; + } + +} - // set the responsibility of history elements - setHistoryResponsibility(_scxml); +void ChartToC::writeTo(std::ostream& stream) { + prepare(); writeIncludes(stream); writeMacros(stream); @@ -498,8 +505,9 @@ void ChartToC::writeTypes(std::ostream& stream) { void ChartToC::writeHelpers(std::ostream& stream) { stream << "#ifdef SCXML_VERBOSE" << std::endl; stream << "static void printStateNames(const char* a) {" << std::endl; - stream << " const char* seperator = \"\";" << std::endl; - stream << " for (size_t i = 0; i < SCXML_NUMBER_STATES; i++) {" << std::endl; + stream << " size_t i;" << std::endl; + stream << " const char* seperator = \"\";" << std::endl; + stream << " for (i = 0; i < SCXML_NUMBER_STATES; i++) {" << std::endl; stream << " if (BIT_HAS(i, a)) {" << std::endl; stream << " printf(\"%s%s\", seperator, (scxml_states[i].name != NULL ? scxml_states[i].name : \"UNK\"));" << std::endl; stream << " seperator = \", \";" << std::endl; @@ -510,8 +518,9 @@ void ChartToC::writeHelpers(std::ostream& stream) { stream << std::endl; stream << "static void printBitsetIndices(const char* a, size_t length) {" << std::endl; + stream << " size_t i;" << std::endl; stream << " const char* seperator = \"\";" << std::endl; - stream << " for (size_t i = 0; i < length; i++) {" << std::endl; + stream << " for (i = 0; i < length; i++) {" << std::endl; stream << " if (BIT_HAS(i, a)) {" << std::endl; stream << " printf(\"%s%lu\", seperator, i);" << std::endl; stream << " seperator = \", \";" << std::endl; @@ -526,18 +535,18 @@ void ChartToC::writeHelpers(std::ostream& stream) { stream << "static int bit_has_and(const char* a, const char* b, size_t i) {" << std::endl; stream << " do {" << std::endl; stream << " if (a[i - 1] & b[i - 1])" << std::endl; - stream << " return true;" << std::endl; + stream << " return 1;" << std::endl; stream << " } while(--i);" << std::endl; - stream << " return false;" << std::endl; + stream << " return 0;" << std::endl; stream << "}" << std::endl; stream << std::endl; stream << "static int bit_has_any(const char* a, size_t i) {" << std::endl; stream << " do {" << std::endl; stream << " if (a[i - 1] > 0)" << std::endl; - stream << " return true;" << std::endl; + stream << " return 1;" << std::endl; stream << " } while(--i);" << std::endl; - stream << " return false;" << std::endl; + stream << " return 0;" << std::endl; stream << "}" << std::endl; stream << std::endl; @@ -1470,7 +1479,8 @@ void ChartToC::writeFSM(std::ostream& stream) { stream << " return SCXML_ERR_DONE; " << std::endl; stream << std::endl; - stream << " int err = SCXML_ERR_OK;" << std::endl; + stream << " size_t i, j, k;" << std::endl; + stream << " int err = SCXML_ERR_OK;" << std::endl; stream << " char conflicts[" << _transCharArraySize << "] = " << _transCharArrayInit << ";" << std::endl; stream << " char target_set[" << _stateCharArraySize << "] = " << _stateCharArrayInit << ";" << std::endl; stream << " char exit_set[" << _stateCharArraySize << "] = " << _stateCharArrayInit << ";" << std::endl; @@ -1500,7 +1510,7 @@ void ChartToC::writeFSM(std::ostream& stream) { stream << std::endl; stream << "SELECT_TRANSITIONS:" << std::endl; - stream << " for (size_t i = 0; i < SCXML_NUMBER_TRANSITIONS; i++) {" << std::endl; + stream << " for (i = 0; i < SCXML_NUMBER_TRANSITIONS; i++) {" << std::endl; stream << " // never select history or initial transitions automatically" << std::endl; stream << " if unlikely(scxml_transitions[i].type & (SCXML_TRANS_HISTORY | SCXML_TRANS_INITIAL))" << std::endl; stream << " continue;" << std::endl; @@ -1560,7 +1570,7 @@ void ChartToC::writeFSM(std::ostream& stream) { stream << std::endl; stream << "// REMEMBER_HISTORY:" << std::endl; - stream << " for (size_t i = 0; i < SCXML_NUMBER_STATES; i++) {" << std::endl; + stream << " for (i = 0; i < SCXML_NUMBER_STATES; i++) {" << std::endl; stream << " if unlikely(SCXML_STATE_MASK(scxml_states[i].type) == SCXML_STATE_HISTORY_SHALLOW ||" << std::endl; stream << " SCXML_STATE_MASK(scxml_states[i].type) == SCXML_STATE_HISTORY_DEEP) {" << std::endl; stream << " // a history state whose parent is about to be exited" << std::endl; @@ -1585,7 +1595,7 @@ void ChartToC::writeFSM(std::ostream& stream) { stream << " bit_copy(entry_set, target_set, " << _stateCharArraySize << ");" << std::endl; stream << std::endl; stream << " // iterate for ancestors" << std::endl; - stream << " for (size_t i = 0; i < SCXML_NUMBER_STATES; i++) {" << std::endl; + stream << " for (i = 0; i < SCXML_NUMBER_STATES; i++) {" << std::endl; stream << " if (BIT_HAS(i, entry_set)) {" << std::endl; stream << " bit_or(entry_set, scxml_states[i].ancestors, " << _stateCharArraySize << ");" << std::endl; stream << " }" << std::endl; @@ -1593,7 +1603,7 @@ void ChartToC::writeFSM(std::ostream& stream) { stream << std::endl; stream << " // iterate for descendants" << std::endl; - stream << " for (size_t i = 0; i < SCXML_NUMBER_STATES; i++) {" << std::endl; + stream << " for (i = 0; i < SCXML_NUMBER_STATES; i++) {" << std::endl; stream << " if (BIT_HAS(i, entry_set)) {" << std::endl; stream << " switch (SCXML_STATE_MASK(scxml_states[i].type)) {" << std::endl; stream << " case SCXML_STATE_PARALLEL: {" << std::endl; @@ -1605,12 +1615,12 @@ void ChartToC::writeFSM(std::ostream& stream) { stream << " if (!bit_has_and(scxml_states[i].completion, ctx->history, " << _stateCharArraySize << ") &&" << std::endl; stream << " !BIT_HAS(scxml_states[i].parent, ctx->config)) {" << std::endl; stream << " // nothing set for history, look for a default transition" << std::endl; - stream << " for (size_t j = 0; j < SCXML_NUMBER_TRANSITIONS; j++) {" << std::endl; + stream << " for (j = 0; j < SCXML_NUMBER_TRANSITIONS; j++) {" << std::endl; stream << " if unlikely(scxml_transitions[j].source == i) {" << std::endl; stream << " bit_or(entry_set, scxml_transitions[j].target, " << _stateCharArraySize << ");" << std::endl; stream << " if(SCXML_STATE_MASK(scxml_states[i].type) == SCXML_STATE_HISTORY_DEEP &&" << std::endl; stream << " !bit_has_and(scxml_transitions[j].target, scxml_states[i].children, " << _stateCharArraySize << ")) {" << std::endl; - stream << " for (size_t k = i + 1; k < SCXML_NUMBER_STATES; k++) {" << std::endl; + stream << " for (k = i + 1; k < SCXML_NUMBER_STATES; k++) {" << std::endl; stream << " if (BIT_HAS(k, scxml_transitions[j].target)) {" << std::endl; stream << " bit_or(entry_set, scxml_states[k].ancestors, " << _stateCharArraySize << ");" << std::endl; stream << " break;" << std::endl; @@ -1628,11 +1638,11 @@ void ChartToC::writeFSM(std::ostream& stream) { stream << " bit_or(entry_set, tmp_states, " << _stateCharArraySize << ");" << std::endl; stream << " if (scxml_states[i].type == (SCXML_STATE_HAS_HISTORY | SCXML_STATE_HISTORY_DEEP)) {" << std::endl; stream << " // a deep history state with nested histories -> more completion" << std::endl; - stream << " for (size_t j = i + 1; j < SCXML_NUMBER_STATES; j++) {" << std::endl; + stream << " for (j = i + 1; j < SCXML_NUMBER_STATES; j++) {" << std::endl; stream << " if (BIT_HAS(j, scxml_states[i].completion) &&" << std::endl; stream << " BIT_HAS(j, entry_set) &&" << std::endl; stream << " (scxml_states[j].type & SCXML_STATE_HAS_HISTORY)) {" << std::endl; - stream << " for (size_t k = j + 1; k < SCXML_NUMBER_STATES; k++) {" << std::endl; + stream << " for (k = j + 1; k < SCXML_NUMBER_STATES; k++) {" << std::endl; stream << " // add nested history to entry_set" << std::endl; stream << " if ((SCXML_STATE_MASK(scxml_states[k].type) == SCXML_STATE_HISTORY_DEEP ||" << std::endl; stream << " SCXML_STATE_MASK(scxml_states[k].type) == SCXML_STATE_HISTORY_SHALLOW) &&" << std::endl; @@ -1648,12 +1658,12 @@ void ChartToC::writeFSM(std::ostream& stream) { stream << " break;" << std::endl; stream << " }" << std::endl; stream << " case SCXML_STATE_INITIAL: {" << std::endl; - stream << " for (size_t j = 0; j < SCXML_NUMBER_TRANSITIONS; j++) {" << std::endl; + stream << " for (j = 0; j < SCXML_NUMBER_TRANSITIONS; j++) {" << std::endl; stream << " if (scxml_transitions[j].source == i) {" << std::endl; stream << " BIT_SET_AT(j, trans_set);" << std::endl; stream << " BIT_CLEAR(i, entry_set);" << std::endl; stream << " bit_or(entry_set, scxml_transitions[j].target, " << _stateCharArraySize << ");" << std::endl; - stream << " for (size_t k = i + 1; k < SCXML_NUMBER_STATES; k++) {" << std::endl; + stream << " for (k = i + 1; k < SCXML_NUMBER_STATES; k++) {" << std::endl; stream << " if (BIT_HAS(k, scxml_transitions[j].target)) {" << std::endl; stream << " bit_or(entry_set, scxml_states[k].ancestors, " << _stateCharArraySize << ");" << std::endl; stream << " }" << std::endl; @@ -1670,7 +1680,7 @@ void ChartToC::writeFSM(std::ostream& stream) { stream << " bit_or(entry_set, scxml_states[i].completion, " << _stateCharArraySize << ");" << std::endl; stream << " if (!bit_has_and(scxml_states[i].completion, scxml_states[i].children, " << _stateCharArraySize << ")) {" << std::endl; stream << " // deep completion" << std::endl; - stream << " for (size_t j = i + 1; j < SCXML_NUMBER_STATES; j++) {" << std::endl; + stream << " for (j = i + 1; j < SCXML_NUMBER_STATES; j++) {" << std::endl; stream << " if (BIT_HAS(j, scxml_states[i].completion)) {" << std::endl; stream << " bit_or(entry_set, scxml_states[j].ancestors, " << _stateCharArraySize << ");" << std::endl; stream << " break; // completion of compound is single state" << std::endl; @@ -1692,7 +1702,7 @@ void ChartToC::writeFSM(std::ostream& stream) { stream << std::endl; stream << "// EXIT_STATES:" << std::endl; - stream << " size_t i = SCXML_NUMBER_STATES;" << std::endl; + stream << " i = SCXML_NUMBER_STATES;" << std::endl; stream << " while(i-- > 0) {" << std::endl; stream << " if (BIT_HAS(i, exit_set) && BIT_HAS(i, ctx->config)) {" << std::endl; stream << " // call all on exit handlers" << std::endl; @@ -1706,7 +1716,7 @@ void ChartToC::writeFSM(std::ostream& stream) { stream << std::endl; stream << "// TAKE_TRANSITIONS:" << std::endl; - stream << " for (size_t i = 0; i < SCXML_NUMBER_TRANSITIONS; i++) {" << std::endl; + stream << " for (i = 0; i < SCXML_NUMBER_TRANSITIONS; i++) {" << std::endl; stream << " if (BIT_HAS(i, trans_set) && (scxml_transitions[i].type & (SCXML_TRANS_HISTORY | SCXML_TRANS_INITIAL)) == 0) {" << std::endl; stream << " // call executable content in transition" << std::endl; stream << " if (scxml_transitions[i].on_transition != NULL) {" << std::endl; @@ -1726,7 +1736,7 @@ void ChartToC::writeFSM(std::ostream& stream) { stream << std::endl; stream << "// ENTER_STATES:" << std::endl; - stream << " for (size_t i = 0; i < SCXML_NUMBER_STATES; i++) {" << std::endl; + stream << " for (i = 0; i < SCXML_NUMBER_STATES; i++) {" << std::endl; stream << " if (BIT_HAS(i, entry_set) && !BIT_HAS(i, ctx->config)) {" << std::endl; stream << " // these are no proper states" << std::endl; stream << " if unlikely(SCXML_STATE_MASK(scxml_states[i].type) == SCXML_STATE_HISTORY_DEEP ||" << std::endl; @@ -1754,7 +1764,7 @@ void ChartToC::writeFSM(std::ostream& stream) { stream << std::endl; stream << " // take history and initial transitions" << std::endl; - stream << " for (size_t j = 0; j < SCXML_NUMBER_TRANSITIONS; j++) {" << std::endl; + stream << " for (j = 0; j < SCXML_NUMBER_TRANSITIONS; j++) {" << std::endl; stream << " if unlikely(BIT_HAS(j, trans_set) &&" << std::endl; stream << " (scxml_transitions[j].type & (SCXML_TRANS_HISTORY | SCXML_TRANS_INITIAL)) &&" << std::endl; stream << " scxml_states[scxml_transitions[j].source].parent == i) {" << std::endl; @@ -1792,11 +1802,11 @@ void ChartToC::writeFSM(std::ostream& stream) { stream << " * 3. Iterate all active final states and remove their ancestors" << std::endl; stream << " * 4. If a state remains, not all children of a parallel are final" << std::endl; stream << " */" << std::endl; - stream << " for (size_t j = 0; j < SCXML_NUMBER_STATES; j++) {" << std::endl; + stream << " for (j = 0; j < SCXML_NUMBER_STATES; j++) {" << std::endl; stream << " if unlikely(SCXML_STATE_MASK(scxml_states[j].type) == SCXML_STATE_PARALLEL &&" << std::endl; stream << " BIT_HAS(j, scxml_states[i].ancestors)) {" << std::endl; stream << " bit_and_not(tmp_states, tmp_states, " << _stateCharArraySize << ");" << std::endl; - stream << " for (size_t k = 0; k < SCXML_NUMBER_STATES; k++) {" << std::endl; + stream << " for (k = 0; k < SCXML_NUMBER_STATES; k++) {" << std::endl; stream << " if unlikely(BIT_HAS(j, scxml_states[k].ancestors) && BIT_HAS(k, ctx->config)) {" << std::endl; stream << " if (SCXML_STATE_MASK(scxml_states[k].type) == SCXML_STATE_FINAL) {" << std::endl; stream << " bit_and_not(tmp_states, scxml_states[k].ancestors, " << _stateCharArraySize << ");" << std::endl; diff --git a/src/uscxml/transform/ChartToC.h b/src/uscxml/transform/ChartToC.h index 954aa63..20713ca 100644 --- a/src/uscxml/transform/ChartToC.h +++ b/src/uscxml/transform/ChartToC.h @@ -54,7 +54,7 @@ protected: static void inDocumentOrder(const std::set<std::string>& elements, const Arabica::DOM::Element<std::string>& root, Arabica::XPath::NodeSet<std::string>& nodes); - + void writeIncludes(std::ostream& stream); void writeMacros(std::ostream& stream); void writeTypes(std::ostream& stream); @@ -72,12 +72,12 @@ protected: Arabica::XPath::NodeSet<std::string> computeExitSet(const Arabica::DOM::Element<std::string>& transition); void resortStates(Arabica::DOM::Node<std::string>& node); - void setHistoryResponsibility(Arabica::DOM::Node<std::string>& node); - + void setHistoryResponsibility(); + void prepare(); + Interpreter interpreter; Arabica::XPath::NodeSet<std::string> _states; - std::map<std::string, Arabica::DOM::Element<std::string> > _stateNames; Arabica::XPath::NodeSet<std::string> _transitions; bool _hasGlobalScripts; diff --git a/src/uscxml/transform/ChartToVHDL.cpp b/src/uscxml/transform/ChartToVHDL.cpp index e9dc60d..bcff51f 100644 --- a/src/uscxml/transform/ChartToVHDL.cpp +++ b/src/uscxml/transform/ChartToVHDL.cpp @@ -17,7 +17,6 @@ * @endcond */ -#include "uscxml/transform/ChartToFSM.h" #include "uscxml/transform/ChartToVHDL.h" #include "uscxml/debug/Complexity.h" #include <DOM/io/Stream.hpp> @@ -47,209 +46,103 @@ Transformer ChartToVHDL::transform(const Interpreter& other) { return boost::shared_ptr<TransformerImpl>(c2c); } -ChartToVHDL::ChartToVHDL(const Interpreter& other) : TransformerImpl() { - cloneFrom(other.getImpl()); +ChartToVHDL::ChartToVHDL(const Interpreter& other) : ChartToC(other), _eventTrie(".") { } ChartToVHDL::~ChartToVHDL() { } -NodeSet<std::string> ChartToVHDL::inPostFixOrder(const std::set<std::string>& elements, const Element<std::string>& root) { - NodeSet<std::string> nodes; - inPostFixOrder(elements, root, nodes); - return nodes; -} - -void ChartToVHDL::inPostFixOrder(const std::set<std::string>& elements, const Element<std::string>& root, NodeSet<std::string>& nodes) { - NodeList<std::string> children = root.getChildNodes(); - for (int i = 0; i < children.getLength(); i++) { - if (children.item(i).getNodeType() != Node_base::ELEMENT_NODE) - continue; - Arabica::DOM::Element<std::string> childElem(children.item(i)); - inPostFixOrder(elements, childElem, nodes); - - } - for (int i = 0; i < children.getLength(); i++) { - if (children.item(i).getNodeType() != Node_base::ELEMENT_NODE) - continue; - Arabica::DOM::Element<std::string> childElem(children.item(i)); +void ChartToVHDL::checkDocument() { + // filter unsupported stuff + Arabica::XPath::NodeSet<std::string> unsupported; + + std::set<std::string> elements; + elements.insert(_nsInfo.xmlNSPrefix + "datamodel"); + elements.insert(_nsInfo.xmlNSPrefix + "data"); + elements.insert(_nsInfo.xmlNSPrefix + "assign"); + elements.insert(_nsInfo.xmlNSPrefix + "donedata"); + elements.insert(_nsInfo.xmlNSPrefix + "content"); + elements.insert(_nsInfo.xmlNSPrefix + "param"); + elements.insert(_nsInfo.xmlNSPrefix + "script"); + + elements.insert(_nsInfo.xmlNSPrefix + "parallel"); + elements.insert(_nsInfo.xmlNSPrefix + "history"); + + elements.insert(_nsInfo.xmlNSPrefix + "if"); // implicit elseif und else + elements.insert(_nsInfo.xmlNSPrefix + "foreach"); + elements.insert(_nsInfo.xmlNSPrefix + "send"); + elements.insert(_nsInfo.xmlNSPrefix + "cancel"); + elements.insert(_nsInfo.xmlNSPrefix + "invoke"); + elements.insert(_nsInfo.xmlNSPrefix + "finalize"); + unsupported = ChartToC::inDocumentOrder(elements, _scxml); + + std::stringstream ss; + if (unsupported.size() > 0) { + for (int i = 0; i < unsupported.size(); i++) { + ss << " " << DOMUtils::xPathForNode(unsupported[i]) << " unsupported" << std::endl; + } + throw std::runtime_error("Unsupported elements found:\n" + ss.str()); + } + + elements.clear(); + elements.insert(_nsInfo.xmlNSPrefix + "transition"); + unsupported = inDocumentOrder(elements, _scxml); + + for (int i = 0; i < unsupported.size(); i++) { + Element<std::string> transition(unsupported[i]); + if (HAS_ATTR(transition, "cond")) { + ERROR_PLATFORM_THROW("transition with conditions not supported!"); + } + if (!HAS_ATTR(transition, "target")) { + ERROR_PLATFORM_THROW("targetless transition not supported!"); + } + } - if (elements.find(TAGNAME(childElem)) != elements.end()) { - nodes.push_back(childElem); - } - } -} - -void ChartToVHDL::inDocumentOrder(const std::set<std::string>& elements, const Element<std::string>& root, NodeSet<std::string>& nodes) { - if (elements.find(TAGNAME(root)) != elements.end()) { - nodes.push_back(root); - } - - NodeList<std::string> children = root.getChildNodes(); - for (int i = 0; i < children.getLength(); i++) { - if (children.item(i).getNodeType() != Node_base::ELEMENT_NODE) - continue; - Arabica::DOM::Element<std::string> childElem(children.item(i)); - inDocumentOrder(elements, childElem, nodes); - } } -NodeSet<std::string> ChartToVHDL::inDocumentOrder(const std::set<std::string>& elements, const Element<std::string>& root) { - NodeSet<std::string> nodes; - inDocumentOrder(elements, root, nodes); - return nodes; +void ChartToVHDL::findEvents() { + // elements with an event attribute + NodeSet<std::string> withEvent; + withEvent.push_back(InterpreterImpl::filterChildElements(_nsInfo.xmlNSPrefix + "raise", _scxml, true)); + withEvent.push_back(InterpreterImpl::filterChildElements(_nsInfo.xmlNSPrefix + "send", _scxml, true)); + withEvent.push_back(InterpreterImpl::filterChildElements(_nsInfo.xmlNSPrefix + "transition", _scxml, true)); + + for (size_t i = 0; i < withEvent.size(); i++) { + if (HAS_ATTR_CAST(withEvent[i], "event")) { + _eventTrie.addWord(ATTR_CAST(withEvent[i], "event")); + } + } } - - -// ASK Where does _scxml,_nsInfo come from - + void ChartToVHDL::writeTo(std::ostream& stream) { - // ASK What is this ? - _binding = (HAS_ATTR(_scxml, "binding") && iequals(ATTR(_scxml, "binding"), "late") ? LATE : EARLY); - // ASK Name for whole state machine? Important ? - _name = (HAS_ATTR(_scxml, "name") ? ATTR(_scxml, "name") : "no_name_machine"); - - // filter unsupported stuff - std::set<std::string> elements; - elements.insert(_nsInfo.xmlNSPrefix + "datamodel"); - elements.insert(_nsInfo.xmlNSPrefix + "data"); - elements.insert(_nsInfo.xmlNSPrefix + "assign"); - elements.insert(_nsInfo.xmlNSPrefix + "donedata"); - elements.insert(_nsInfo.xmlNSPrefix + "content"); - elements.insert(_nsInfo.xmlNSPrefix + "param"); - elements.insert(_nsInfo.xmlNSPrefix + "script"); - - elements.insert(_nsInfo.xmlNSPrefix + "parallel"); - elements.insert(_nsInfo.xmlNSPrefix + "history"); - - elements.insert(_nsInfo.xmlNSPrefix + "if"); //implizit elseif und else - elements.insert(_nsInfo.xmlNSPrefix + "foreach"); - elements.insert(_nsInfo.xmlNSPrefix + "send"); - elements.insert(_nsInfo.xmlNSPrefix + "cancel"); - elements.insert(_nsInfo.xmlNSPrefix + "invoke"); - elements.insert(_nsInfo.xmlNSPrefix + "finalize"); - Arabica::XPath::NodeSet<std::string> unsupported = inDocumentOrder(elements, _scxml); - - if (unsupported.size() > 0) { - stream << "contains unsupported elements:" << std::endl; - for (int i = 0; i < unsupported.size(); i++) { - Element<std::string> uElement(unsupported[i]); - stream << TAGNAME(uElement) << std::endl; - } - stream << "ERROR" << std::endl; - return; - } - - elements.clear(); - elements.insert(_nsInfo.xmlNSPrefix + "transition"); - unsupported = inPostFixOrder(elements, _scxml); - - for (int i = 0; i < unsupported.size(); i++) { - Element<std::string> transition(unsupported[i]); - if (HAS_ATTR(transition, "cond")) { - stream << transition << std::endl; - stream << "transition has conditions (not supported)!" << std::endl; - stream << "ERROR" << std::endl; - return; - } - if (!HAS_ATTR(transition, "target")) { - stream << transition << std::endl; - stream << "transition has no target (not supported)!" << std::endl; - stream << "ERROR" << std::endl; - return; - } - if (!HAS_ATTR(transition, "event")) { - stream << transition << std::endl; - stream << "transition is spntaneous (not supported)!" << std::endl; - stream << "ERROR" << std::endl; - return; - } - if (transition.getChildNodes().getLength() > 0) { - stream << transition << std::endl; - stream << "transition executable code (not supported)!" << std::endl; - stream << "ERROR" << std::endl; - return; - } - } - - // create states array - elements.clear(); - // elements.insert(_nsInfo.xmlNSPrefix + "scxml"); - elements.insert(_nsInfo.xmlNSPrefix + "state"); - elements.insert(_nsInfo.xmlNSPrefix + "final"); - elements.insert(_nsInfo.xmlNSPrefix + "parallel"); - elements.insert(_nsInfo.xmlNSPrefix + "history"); - elements.insert(_nsInfo.xmlNSPrefix + "initial"); - // elements.insert(_nsInfo.xmlNSPrefix + "parallel"); - _states = inDocumentOrder(elements, _scxml); - - for (int i = 0; i < _states.size(); i++) { - Element<std::string> state(_states[i]); - state.setAttribute("documentOrder", toStr(i)); - if (!HAS_ATTR(state, "id")) { - std::stringstream ss; - ss << "HWS_" << toStr(i); - state.setAttribute("id", ss.str()); - } - _stateNames[ATTR(state, "id")] = state; - } - _initState = ATTR(_scxml, "initial"); + // same preparations as the C transformation +// annotateElementSets(); + + +// checkDocument(); + findEvents(); + _eventTrie.dump(); + + writeTypes(stream); + writeFiFo(stream); + writeTransitionSet(stream); + writeExitSet(stream); + writeEntrySet(stream); + writeFSM(stream); +} - // create transitions array & event array - elements.clear(); - elements.insert(_nsInfo.xmlNSPrefix + "transition"); - _transitions = inPostFixOrder(elements, _scxml); +void ChartToVHDL::writeTransitionSet(std::ostream & stream) { + for (size_t i = 0; i < _transitions.size(); i++) { + Element<std::string> transition(_transitions[i]); + std::string name = DOMUtils::idForNode(transition); + + } +} - for (int i = 0; i < _transitions.size(); i++) { - Element<std::string> transition(_transitions[i]); - transition.setAttribute("postFixOrder", toStr(i)); - if (!HAS_ATTR(transition, "event")) { - // spontanious transition - transition.setAttribute("event", CONST_TRANS_SPONTANIOUS); - } - std::stringstream ss; - ss << "HWT" << toStr(i) << "_to_" << ATTR(transition, "target"); - transition.setAttribute("id", ss.str()); - _transitionNames[ss.str()] = transition; - - std::string event = ATTR(transition, "event"); - if (event == "*") { - event = CONST_EVENT_ANY; - transition.setAttribute("event", CONST_EVENT_ANY); - } - if (!(std::find(_events.begin(), _events.end(), event) != _events.end())) { - // if eventname does not exist - _events.push_back(event); - } - } +void ChartToVHDL::writeExitSet(std::ostream & stream) { +} - // debug - // stream << _scxml; - // return; - - // how many bits do we need to represent the state array? - // std::string seperator; - // _stateCharArraySize = ceil((float) _states.size() / (float) 8); - // _stateCharArrayInit = "{"; - // for (int i = 0; i < _stateCharArraySize; i++) { - // _stateCharArrayInit += seperator + "0"; - // seperator = ", "; - // } - // _stateCharArrayInit += "}"; - // - // seperator = ""; - // _transCharArraySize = ceil((float) _transitions.size() / (float) 8); - // _transCharArrayInit = "{"; - // for (int i = 0; i < _transCharArraySize; i++) { - // _transCharArrayInit += seperator + "0"; - // seperator = ", "; - // } - // _transCharArrayInit += "}"; - - // writeTopDown(stream); - writeTypes(stream); - writeFiFo(stream); - writeFSM(stream); +void ChartToVHDL::writeEntrySet(std::ostream & stream) { } void ChartToVHDL::writeFSM(std::ostream & stream) { @@ -350,11 +243,11 @@ void ChartToVHDL::writeTypes(std::ostream & stream) { // create event type stream << " type event_type is ("; seperator = ""; - for (int i = 0; i < _events.size(); i++) { - stream << seperator; - stream << _events[i]; - seperator = ", "; - } +// for (int i = 0; i < _events.size(); i++) { +// stream << seperator; +// stream << _events[i]; +// seperator = ", "; +// } if (seperator.size() == 0) { stream << "NO_EVENTS"; } @@ -701,7 +594,7 @@ void ChartToVHDL::writeNextStateLogic(std::ostream & stream) { stream << "begin" << std::endl; stream << " if rst = '1' then" << std::endl; stream << " current_state <= (others => '0');" << std::endl; - stream << " " << _initState << "_curr <= '1';" << std::endl; +// stream << " " << _initState << "_curr <= '1';" << std::endl; stream << " elsif (rising_edge(clk) and stall = '0') then" << std::endl; stream << " current_state <= next_state;" << std::endl; stream << " end if;" << std::endl; diff --git a/src/uscxml/transform/ChartToVHDL.h b/src/uscxml/transform/ChartToVHDL.h index ec649f4..a2cbac7 100644 --- a/src/uscxml/transform/ChartToVHDL.h +++ b/src/uscxml/transform/ChartToVHDL.h @@ -24,6 +24,7 @@ #include "uscxml/DOMUtils.h" #include "uscxml/util/Trie.h" #include "Transformer.h" +#include "ChartToC.h" #include <DOM/Document.hpp> #include <DOM/Node.hpp> @@ -32,7 +33,7 @@ namespace uscxml { -class USCXML_API ChartToVHDL : public InterpreterRC, public TransformerImpl { +class USCXML_API ChartToVHDL : public ChartToC { public: virtual ~ChartToVHDL(); @@ -40,22 +41,12 @@ public: void writeTo(std::ostream& stream); - static Arabica::XPath::NodeSet<std::string> inPostFixOrder(const std::set<std::string>& elements, - const Arabica::DOM::Element<std::string>& root); - static Arabica::XPath::NodeSet<std::string> inDocumentOrder(const std::set<std::string>& elements, - const Arabica::DOM::Element<std::string>& root); - protected: ChartToVHDL(const Interpreter& other); - static void inPostFixOrder(const std::set<std::string>& elements, - const Arabica::DOM::Element<std::string>& root, - Arabica::XPath::NodeSet<std::string>& nodes); - - static void inDocumentOrder(const std::set<std::string>& elements, - const Arabica::DOM::Element<std::string>& root, - Arabica::XPath::NodeSet<std::string>& nodes); - + void checkDocument(); + void findEvents(); + void writeIncludes(std::ostream& stream); void writeTopDown(std::ostream& stream); @@ -68,25 +59,12 @@ protected: void writeErrorHandler(std::ostream& stream); void writeFSM(std::ostream& stream); + void writeTransitionSet(std::ostream & stream); + void writeExitSet(std::ostream & stream); + void writeEntrySet(std::ostream & stream); + Trie _eventTrie; - Interpreter interpreter; - - std::string _initState; - Arabica::XPath::NodeSet<std::string> _states; - std::map<std::string, Arabica::DOM::Element<std::string> > _stateNames; - Arabica::XPath::NodeSet<std::string> _transitions; - std::map<std::string, Arabica::DOM::Element<std::string> > _transitionNames; - std::vector<std::string> _events; - - bool _hasGlobalScripts; - bool _hasDoneData; - - size_t _transCharArraySize; - std::string _transCharArrayInit; - - size_t _stateCharArraySize; - std::string _stateCharArrayInit; }; } |