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Diffstat (limited to 'util/statetrace/printer.cc')
-rw-r--r-- | util/statetrace/printer.cc | 280 |
1 files changed, 0 insertions, 280 deletions
diff --git a/util/statetrace/printer.cc b/util/statetrace/printer.cc deleted file mode 100644 index 7cfa775f8..000000000 --- a/util/statetrace/printer.cc +++ /dev/null @@ -1,280 +0,0 @@ -/* - * Copyright (c) 2006-2007 The Regents of The University of Michigan - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution; - * neither the name of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * Authors: Gabe Black - */ - -#include "tracechild.hh" -#include "printer.hh" - -using namespace std; - -//Types of printers. If none is found, or there is an error in the input, -//there are psuedo types to return. -enum PrinterType {PRINTER_NONE, PRINTER_ERROR, PRINTER_NESTING, PRINTER_REG}; - -int findEndOfRegPrinter(string, int); -int findEndOfNestingPrinter(string, int); -PrinterType findSub(string, int &, int &); - -//This is pretty easy. Just find the closing parenthesis. -int -findEndOfRegPrinter(string config, int startPos) -{ - int pos = config.find(")", startPos); - if (pos == string::npos) { - cerr << "Couldn't find the closing " << - "parenthesis for a reg printer" << endl; - return 0; - } - return pos; -} - -//This is a little harder. We need to make sure we don't -//grab an ending parenthesis that belongs to the nesting printer. -int -findEndOfNestingPrinter(string config, int startPos) -{ - int length = config.length(); - int pos = startPos; - int endPos = length; - int parenPos = config.find(")", pos); - //If we didn't find an ending parenthesis at all, we're in trouble - if (parenPos == string::npos) { - cerr << "Couldn't find the closing " << - "parenthesis for a nesting printer on the first try" << endl; - return 0; - } - //Keep pulling out embedded stuff until we can't any more - //we need to make sure we aren't skipping over the parenthesis - //that ends -this- printer. - PrinterType type = findSub(config, pos, endPos); - if (type == PRINTER_ERROR) - return 0; - while (type != PRINTER_NONE && endPos >= parenPos) { - //Find the next closest ending parenthesis since we passed - //up the last one - parenPos = config.find(")", endPos + 1); - //If we didn't find one, we're in trouble - if (parenPos == string::npos) { - cerr << "Couldn't find the closing parenthesis for a nested printer on later tries" << endl; - return 0; - } - //Start looking for the end of this printer and embedded - //stuff past the one we just found - pos = endPos + 1; - //Reset endPos so we search to the end of config - endPos = length; - type = findSub(config, pos, endPos); - if (type == PRINTER_ERROR) - return 0; - } - //We ran out of embedded items, and we didn't pass up our last - //closing paren. This must be the end of this printer. - return parenPos; -} - -//Find a sub printer. This looks for things which have a type defining -//character and then an opening parenthesis. The type is returned, and -//startPos and endPos are set to the beginning and end of the sub printer -//On entry, the search starts at index startPos and ends at either index -//endPos or a closing parenthesis, whichever comes first -PrinterType -findSub(string config, int & startPos, int & endPos) -{ - int length = config.length(); - //Figure out where the different types of sub printers may start - int regPos = config.find("%(", startPos); - int nestingPos = config.find("~(", startPos); - //If a type of printer wasn't found, say it was found too far away. - //This simplifies things later - if (regPos == string::npos) - regPos = endPos; - if (nestingPos == string::npos) - nestingPos = endPos; - //If we find a closing paren, that marks the - //end of the region we're searching. - int closingPos = config.find(")", startPos); - if (closingPos != string::npos && - closingPos < regPos && - closingPos < nestingPos) - return PRINTER_NONE; - //If we didn't find anything close enough, say so. - if (regPos >= endPos && nestingPos >= endPos) - return PRINTER_NONE; - //At this point, we know that one of the options starts legally - //We need to find which one is first and return that - if (regPos < nestingPos) { - int regEnd = findEndOfRegPrinter(config, regPos + 2); - //If we couldn't find the end... - if (!regEnd) { - cerr << "Couldn't find the end of the reg printer" << endl; - return PRINTER_ERROR; - } - //Report the sub printer's vitals. - startPos = regPos; - endPos = regEnd; - return PRINTER_REG; - } else { - int nestingEnd = findEndOfNestingPrinter(config, nestingPos + 2); - //If we couldn't find the end... - if (!nestingEnd) { - cerr << "Couldn't find the end of the nesting printer" << endl; - return PRINTER_ERROR; - } - //Report the sub printer's vitals. - startPos = nestingPos; - endPos = nestingEnd; - return PRINTER_NESTING; - } - return PRINTER_NONE; -} - -//Set up a nesting printer. This printer can contain sub printers -bool -NestingPrinter::configure(string config) -{ - //Clear out any old stuff - constStrings.clear(); - numPrinters = 0; - printers.clear(); - int length = config.length(); - int startPos = 0, endPos = length; - int lastEndPos = -1; - //Try to find a sub printer - PrinterType type = findSub(config, startPos, endPos); - if (type == PRINTER_ERROR) { - cerr << "Problem finding first sub printer" << endl; - return false; - } - while (type != PRINTER_NONE) { - string prefix = config.substr(lastEndPos + 1, - startPos - lastEndPos - 1); - lastEndPos = endPos; - constStrings.push_back(prefix); - string subConfig, subString; - long int commaPos, lastCommaPos, childSwitchVar; - //Set up the register printer - RegPrinter * regPrinter = new RegPrinter(child); - NestingPrinter * nestingPrinter = new NestingPrinter(child); - switch (type) { - //If we found a plain register printer - case PRINTER_REG: - numPrinters++; - //Get the register name - subConfig = config.substr(startPos + 2, endPos - startPos - 2); - if (!regPrinter->configure(subConfig)) { - delete regPrinter; - cerr << "Error configuring reg printer" << endl; - return false; - } - printers.push_back(regPrinter); - break; - //If we found an embedded nesting printer - case PRINTER_NESTING: - numPrinters++; - //Punt on reading in all the parameters of the nesting printer - subConfig = config.substr(startPos + 2, endPos - startPos - 2); - lastCommaPos = string::npos; - commaPos = subConfig.find(","); - if (commaPos == string::npos) - return false; - childSwitchVar = child->getRegNum(subConfig.substr(0, commaPos)); - if (childSwitchVar == -1) { - cerr << "Couldn't configure switching variable!" << endl; - return false; - } - //Eat up remaining arguments - while (commaPos != string::npos) { - lastCommaPos = commaPos; - commaPos = subConfig.find(",", commaPos + 1); - } - if (lastCommaPos != string::npos) { - subConfig = subConfig.substr(lastCommaPos + 1, - subConfig.length() - lastCommaPos - 1); - } - if (!nestingPrinter->configure(subConfig)) { - delete nestingPrinter; - cerr << "Error configuring nesting printer" << endl; - return false; - } - nestingPrinter->switchVar = childSwitchVar; - printers.push_back(nestingPrinter); - break; - default: - cerr << "Unrecognized printer type" << endl; - return false; - } - //Move down past what we just parsed - startPos = endPos + 1; - endPos = length; - type = findSub(config, startPos, endPos); - if (type == PRINTER_ERROR) { - cerr << "Unable to find subprinters on later tries" << endl; - return false; - } - } - //Put in the trailing stuff - string trailer = config.substr(startPos, length - startPos); - constStrings.push_back(trailer); - return true; -} - -bool -RegPrinter::configure(string config) -{ - //Figure out what our register number is based on the name we're given - int num = child->getRegNum(config); - if (num == -1) { - cerr << "Couldn't find register " << config << endl; - return false; - } - regNum(num); - return true; -} - -ostream & -NestingPrinter::writeOut(ostream & os) -{ - if (switchVar == -1 || child->diffSinceUpdate(switchVar)) { - int x; - for (x = 0; x < numPrinters; x++) { - os << constStrings[x]; - os << printers[x]; - } - os << constStrings[x]; - } - return os; -} - -ostream & -RegPrinter::writeOut(ostream & os) -{ - os << child->printReg(intRegNum); - return os; -} - |