--- a/stage1_2/derived_conversion_functions.cc Mon Nov 19 22:53:43 2012 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,213 +0,0 @@
-/*
- * matiec - a compiler for the programming languages defined in IEC 61131-3
- *
- * Copyright (C) 2009-2012 Mario de Sousa (msousa@fe.up.pt)
- * Copyright (C) 2012 Manuele Conti (conti.ma@alice.it)
- *
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- *
- * This code is made available on the understanding that it will not be
- * used in safety-critical situations without a full and competent review.
- */
-
-/*
- * An IEC 61131-3 compiler.
- *
- * Based on the
- * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
- *
- */
-
-
-#include "derived_conversion_functions.hh"
-#include <sstream>
-
-static const int debug = 0;
-
-const char *derived_conversion_functions_c::functionDataType[] = {
- "STRING",
- "SINT" ,
- "INT" ,
- "DINT" ,
- "LINT" ,
- "USINT" ,
- "UNIT" ,
- "UDINT" ,
- "ULINT" ,
- NULL
-};
-
-derived_conversion_functions_c::derived_conversion_functions_c(symbol_c *ignore) {
-
-}
-
-derived_conversion_functions_c::~derived_conversion_functions_c(void) {
-
-}
-
-std::string &derived_conversion_functions_c::get_declaration(symbol_c *root) {
- text = "";
- if (NULL != root) {
- root->accept(*this);
- }
-
- return text;
-}
-
-void *derived_conversion_functions_c::visit(identifier_c *symbol) {
- currentToken = symbol->value;
-
- return NULL;
-}
-
-void *derived_conversion_functions_c::visit(enumerated_type_declaration_c *symbol) {
- std::string enumerateName;
- std::string functionName;
- std::list <std::string> enumerateValues;
-
- symbol->enumerated_type_name->accept(*this);
- enumerateName = currentToken;
-
- symbol->enumerated_spec_init->accept(*this);
- enumerateValues = currentTokenList;
-
- printStringToEnum (enumerateName, enumerateValues);
- printEnumToString (enumerateName, enumerateValues);
- for (size_t s = 8; s <= 64; s*= 2) {
- printIntegerToEnum (enumerateName, enumerateValues, true , s);
- printEnumToInteger (enumerateName, enumerateValues, true , s);
- printIntegerToEnum (enumerateName, enumerateValues, false, s);
- printEnumToInteger (enumerateName, enumerateValues, false, s);
- }
- if (debug) std::cout << text << std::endl;
-
- return NULL;
-}
-
-void *derived_conversion_functions_c::visit(enumerated_value_list_c *symbol) {
- list_c *list;
-
- currentTokenList.clear();
- list = (list_c *)symbol;
- for (int i = 0; i < list->n; i++) {
- list->elements[i]->accept(*this);
- currentTokenList.push_back(currentToken);
- }
-
- return NULL;
-}
-
-std::string derived_conversion_functions_c::getIntegerName(bool isSigned, size_t size) {
- std::string integerType = "";
- if (! isSigned) {
- integerType = "U";
- }
- switch(size) {
- case 8 : integerType += "S"; break;
- case 16: break;
- case 32: integerType += "D"; break;
- case 64: integerType += "L"; break;
- default: break;
- }
- integerType +="INT";
-
- return integerType;
-}
-
-void derived_conversion_functions_c::printStringToEnum (std::string &enumerateName, std::list<std::string> &enumerateValues) {
- std::list <std::string>::const_iterator itr;
- std::string functionName;
-
- functionName = "STRING_TO_" + enumerateName;
- text += "FUNCTION " + functionName + " : " + enumerateName;
- text += "\nVAR_INPUT\nIN : STRING;\nEND_VAR\n";
- for (itr = enumerateValues.begin(); itr != enumerateValues.end(); ++itr) {
- std::string value = *itr;
- text += "IF IN = '" + value + "' THEN\n";
- text += " " + functionName + " := " + value + ";\n";
- text += " RETURN;\n";
- text += "END_IF;\n";
- }
- text += "END_FUNCTION\n\n";
-}
-
-void derived_conversion_functions_c::printEnumToString (std::string &enumerateName, std::list<std::string> &enumerateValues) {
- std::list <std::string>::const_iterator itr;
- std::string functionName;
-
- functionName = enumerateName + "_TO_STRING";
- text += "FUNCTION " + functionName + " : STRING";
- text += "\nVAR_INPUT\nIN : " + enumerateName + ";\nEND_VAR\n";
- for (itr = enumerateValues.begin(); itr != enumerateValues.end(); ++itr) {
- std::string value = *itr;
- text += "IF IN = " + value + " THEN\n";
- text += " " + functionName + " := '" + value + "';\n";
- text += " RETURN;\n";
- text += "END_IF;\n";
- }
- text += "END_FUNCTION\n\n";
-}
-
-void derived_conversion_functions_c::printIntegerToEnum (std::string &enumerateName, std::list<std::string> &enumerateValues, bool isSigned, size_t size) {
- std::list <std::string>::const_iterator itr;
- std::string functionName;
- std::string integerType;
- int count;
-
- integerType = getIntegerName(isSigned, size);
- functionName = integerType + "_TO_" + enumerateName;
- text += "FUNCTION " + functionName + " : " + enumerateName;
- text += "\nVAR_INPUT\nIN : " + integerType + ";\nEND_VAR\n";
- count = 0;
- for (itr = enumerateValues.begin(); itr != enumerateValues.end(); ++itr) {
- std::string value = *itr;
- std::stringstream out;
- out << count;
- text += "IF IN = " + out.str() + " THEN\n";
- text += " " + functionName + " := " + value + ";\n";
- text += " RETURN;\n";
- text += "END_IF;\n";
- count++;
- }
- text += "END_FUNCTION\n\n";
-}
-
-void derived_conversion_functions_c::printEnumToInteger (std::string &enumerateName, std::list<std::string> &enumerateValues, bool isSigned, size_t size) {
- std::list <std::string>::const_iterator itr;
- std::string functionName;
- std::string integerType;
- int count;
-
- integerType = getIntegerName(isSigned, size);
- functionName = enumerateName + "_TO_" + integerType;
- text += "FUNCTION " + functionName + " : " + integerType;
- text += "\nVAR_INPUT\nIN : " + enumerateName + ";\nEND_VAR\n";
- count = 0;
- for (itr = enumerateValues.begin(); itr != enumerateValues.end(); ++itr) {
- std::string value = *itr;
- std::stringstream out;
- out << count;
- text += "IF IN = " + value + " THEN\n";
- text += " " + functionName + " := " + out.str() + ";\n";
- text += " RETURN;\n";
- text += "END_IF;\n";
- count++;
- }
- text += "END_FUNCTION\n\n";
-}
-
-
-