diff options
Diffstat (limited to 'libfsm/reducer.cc')
| -rw-r--r-- | libfsm/reducer.cc | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/libfsm/reducer.cc b/libfsm/reducer.cc deleted file mode 100644 index 592dcfe1..00000000 --- a/libfsm/reducer.cc +++ /dev/null @@ -1,230 +0,0 @@ -/* - * Copyright 2015-2018 Adrian Thurston <thurston@colm.net> - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in all - * copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -#include "reducer.h" - -#include <colm/colm.h> -#include <colm/tree.h> - -#include <errno.h> - -using std::endl; -using std::ifstream; - -void TopLevel::loadMachineName( string data ) -{ - /* Make/get the priority key. The name may have already been referenced - * and therefore exist. */ - PriorDictEl *priorDictEl; - if ( pd->priorDict.insert( data, pd->fsmCtx->nextPriorKey, &priorDictEl ) ) - pd->fsmCtx->nextPriorKey += 1; - pd->curDefPriorKey = priorDictEl->value; - - /* Make/get the local error key. */ - LocalErrDictEl *localErrDictEl; - if ( pd->localErrDict.insert( data, pd->nextLocalErrKey, &localErrDictEl ) ) - pd->nextLocalErrKey += 1; - pd->curDefLocalErrKey = localErrDictEl->value; -} - -void TopLevel::tryMachineDef( const InputLoc &loc, std::string name, - MachineDef *machineDef, bool isInstance ) -{ - GraphDictEl *newEl = pd->graphDict.insert( name ); - if ( newEl != 0 ) { - /* New element in the dict, all good. */ - newEl->value = new VarDef( name, machineDef ); - newEl->isInstance = isInstance; - newEl->loc = loc; - newEl->value->isExport = exportContext[exportContext.length()-1]; - - /* It it is an instance, put on the instance list. */ - if ( isInstance ) - pd->instanceList.append( newEl ); - } - else { - // Recover by ignoring the duplicate. - pd->id->error(loc) << "fsm \"" << name << "\" previously defined" << endl; - } -} - -long TopLevel::tryLongScan( const InputLoc &loc, const char *data ) -{ - /* Convert the priority number to a long. Check for overflow. */ - long priorityNum; - errno = 0; - - long aug = strtol( data, 0, 10 ); - if ( errno == ERANGE && aug == LONG_MAX ) { - /* Priority number too large. Recover by setting the priority to 0. */ - pd->id->error(loc) << "priority number " << data << - " overflows" << endl; - priorityNum = 0; - } - else if ( errno == ERANGE && aug == LONG_MIN ) { - /* Priority number too large in the neg. Recover by using 0. */ - pd->id->error(loc) << "priority number " << data << - " underflows" << endl; - priorityNum = 0; - } - else { - /* No overflow or underflow. */ - priorityNum = aug; - } - - return priorityNum; -} - -void TopLevel::include( const InputLoc &incLoc, bool fileSpecified, string fileName, string machine ) -{ - /* Stash the current section name and pd. */ - string sectionName = pd->sectionName; - ParseData *pd0 = pd; - - const char **includeChecks = 0; - long found = 0; - - const char *inclSectionName = machine.c_str(); - - /* Default the section name to the current section name. */ - if ( inclSectionName == 0 ) - inclSectionName = sectionName.c_str(); - - /* Build the include checks. */ - if ( fileSpecified ) - includeChecks = pd->id->makeIncludePathChecks( curFileName, fileName.c_str() ); - else { - char *test = new char[strlen(curFileName)+1]; - strcpy( test, curFileName ); - - includeChecks = new const char*[2]; - - includeChecks[0] = test; - includeChecks[1] = 0; - } - - /* Try to find the file. */ - ifstream *inFile = pd->id->tryOpenInclude( includeChecks, found ); - if ( inFile == 0 ) { - id->error(incLoc) << "include: failed to locate file" << endl; - const char **tried = includeChecks; - while ( *tried != 0 ) - id->error(incLoc) << "include: attempted: \"" << *tried++ << '\"' << endl; - - return; - } - - delete inFile; - -// /* Don't include anything that's already been included. */ -// if ( !pd->duplicateInclude( includeChecks[found], inclSectionName ) ) { -// pd->includeHistory.push_back( IncludeHistoryItem( -// includeChecks[found], inclSectionName ) ); -// -// /* Either we are not in the lib, or a file was specifed, use the -// * file-based include pass. */ -// includePass.reduceFile( includeChecks[found], id->hostLang ); -// } - - const char *targetMachine0 = targetMachine; - const char *searchMachine0 = searchMachine; - - includeDepth += 1; - pd = 0; - - targetMachine = sectionName.c_str(); - searchMachine = machine.c_str(); - - // reduceFile( includeChecks[found] ); - -// if ( includePass.incItems.length() == 0 ) { -// pd->id->error(incLoc) << "could not find machine " << machine << -// " in " << fileName << endp; -// } -// else { -// /* Load the data into include el. Save in the dict. */ -// loadIncludeData( el, includePass, includeChecks[found] ); -// id->includeDict.insert( el ); -// includePass.incItems.empty(); -// } - - pd = pd0; - includeDepth -= 1; - - targetMachine = targetMachine0; - searchMachine = searchMachine0; -} - -void TopLevel::import( const InputLoc &loc, std::string name, Literal *literal ) -{ - MachineDef *machineDef = new MachineDef( - new Join( - new Expression( - new Term( - new FactorWithAug( - new FactorWithRep( - new FactorWithNeg( new Factor( literal ) ) - ) - ) - ) - ) - ) - ); - - /* Generic creation of machine for instantiation and assignment. */ - tryMachineDef( loc, name, machineDef, false ); - machineDef->join->loc = loc; -} - -void TopLevel::reduceFile( const char *cmd, const char *inputFileName ) -{ - const int baseN = 2; - const char **argv = new const char*[baseN + id->includePaths.length() + 1]; - argv[0] = cmd; - argv[1] = inputFileName; - for ( int i = 0; i < id->includePaths.length(); i++ ) - argv[baseN + i] = id->includePaths.data[i]; - argv[baseN + id->includePaths.length()] = 0; - - const char *prevCurFileName = curFileName; - curFileName = inputFileName; - - colm_program *program = colm_new_program( frontendSections ); - colm_set_debug( program, 0 ); - colm_set_reduce_clean( program, 0 ); - colm_set_reduce_ctx( program, this ); - colm_run_program( program, baseN + id->includePaths.length(), argv ); - id->streamFileNames.append( colm_extract_fns( program ) ); - - int length = 0; - const char *err = colm_error( program, &length ); - if ( err != 0 ) { - // std::cout << "error" << std::endl; - id->error_plain() << string( err, length ) << std::endl; - } - - colm_delete_program( program ); - - curFileName = prevCurFileName; - - delete[] argv; -} |