YQ Connector:Use docker-compose in integrational tests

1 files changed, 559 insertions, 0 deletions

diff --git a/contrib/tools/ragel5/redfsm/redfsm.cpp b/contrib/tools/ragel5/redfsm/redfsm.cpp
new file mode 100644
index 0000000000..6a55b22ec7
--- /dev/null
+++ b/contrib/tools/ragel5/redfsm/redfsm.cpp
@@ -0,0 +1,559 @@
+/*
+ *  Copyright 2001-2006 Adrian Thurston <thurston@cs.queensu.ca>
+ */
+
+/*  This file is part of Ragel.
+ *
+ *  Ragel 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 2 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  Ragel 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 Ragel; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
+ */
+
+#include "redfsm.h"
+#include "avlmap.h"
+#include <iostream>
+#include <sstream>
+
+using std::ostringstream;
+
+KeyOps *keyOps = 0;
+
+string Action::nameOrLoc()
+{
+	if ( name != 0 )
+		return string(name);
+	else {
+		ostringstream ret;
+		ret << loc.line << ":" << loc.col;
+		return ret.str();
+	}
+}
+
+RedFsmAp::RedFsmAp()
+:
+	wantComplete(false),
+	forcedErrorState(false),
+	nextActionId(0),
+	nextTransId(0),
+	startState(0),
+	errState(0),
+	errTrans(0),
+	firstFinState(0),
+	numFinStates(0),
+	bAnyToStateActions(false),
+	bAnyFromStateActions(false),
+	bAnyRegActions(false),
+	bAnyEofActions(false),
+	bAnyActionGotos(false),
+	bAnyActionCalls(false),
+	bAnyActionRets(false),
+	bAnyRegActionRets(false),
+	bAnyRegActionByValControl(false),
+	bAnyRegNextStmt(false),
+	bAnyRegCurStateRef(false),
+	bAnyRegBreak(false),
+	bAnyLmSwitchError(false),
+	bAnyConditions(false)
+{
+}
+
+/* Does the machine have any actions. */
+bool RedFsmAp::anyActions()
+{
+	return actionMap.length() > 0;
+}
+
+void RedFsmAp::depthFirstOrdering( RedStateAp *state )
+{
+	/* Nothing to do if the state is already on the list. */
+	if ( state->onStateList )
+		return;
+
+	/* Doing depth first, put state on the list. */
+	state->onStateList = true;
+	stateList.append( state );
+	
+	/* At this point transitions should only be in ranges. */
+	assert( state->outSingle.length() == 0 );
+	assert( state->defTrans == 0 );
+
+	/* Recurse on everything ranges. */
+	for ( RedTransList::Iter rtel = state->outRange; rtel.lte(); rtel++ ) {
+		if ( rtel->value->targ != 0 )
+			depthFirstOrdering( rtel->value->targ );
+	}
+}
+
+/* Ordering states by transition connections. */
+void RedFsmAp::depthFirstOrdering()
+{
+	/* Init on state list flags. */
+	for ( RedStateList::Iter st = stateList; st.lte(); st++ )
+		st->onStateList = false;
+	
+	/* Clear out the state list, we will rebuild it. */
+	int stateListLen = stateList.length();
+	stateList.abandon();
+
+	/* Add back to the state list from the start state and all other entry
+	 * points. */
+	if ( startState != 0 )
+		depthFirstOrdering( startState );
+	for ( RedStateSet::Iter en = entryPoints; en.lte(); en++ )
+		depthFirstOrdering( *en );
+	if ( forcedErrorState )
+		depthFirstOrdering( errState );
+	
+	/* Make sure we put everything back on. */
+	assert( stateListLen == stateList.length() );
+}
+
+/* Assign state ids by appearance in the state list. */
+void RedFsmAp::sequentialStateIds()
+{
+	/* Table based machines depend on the state numbers starting at zero. */
+	nextStateId = 0;
+	for ( RedStateList::Iter st = stateList; st.lte(); st++ )
+		st->id = nextStateId++;
+}
+
+/* Stable sort the states by final state status. */
+void RedFsmAp::sortStatesByFinal()
+{
+	/* Move forward through the list and throw final states onto the end. */
+	RedStateAp *state = 0;
+	RedStateAp *next = stateList.head;
+	RedStateAp *last = stateList.tail;
+	while ( state != last ) {
+		/* Move forward and load up the next. */
+		state = next;
+		next = state->next;
+
+		/* Throw to the end? */
+		if ( state->isFinal ) {
+			stateList.detach( state );
+			stateList.append( state );
+		}
+	}
+}
+
+/* Assign state ids by final state state status. */
+void RedFsmAp::sortStateIdsByFinal()
+{
+	/* Table based machines depend on this starting at zero. */
+	nextStateId = 0;
+
+	/* First pass to assign non final ids. */
+	for ( RedStateList::Iter st = stateList; st.lte(); st++ ) {
+		if ( ! st->isFinal ) 
+			st->id = nextStateId++;
+	}
+
+	/* Second pass to assign final ids. */
+	for ( RedStateList::Iter st = stateList; st.lte(); st++ ) {
+		if ( st->isFinal ) 
+			st->id = nextStateId++;
+	}
+}
+
+void RedFsmAp::sortByStateId()
+{
+	/* FIXME: Implement. */
+}
+
+/* Find the final state with the lowest id. */
+void RedFsmAp::findFirstFinState()
+{
+	for ( RedStateList::Iter st = stateList; st.lte(); st++ ) {
+		if ( st->isFinal && (firstFinState == 0 || st->id < firstFinState->id) )
+			firstFinState = st;
+	}
+}
+
+void RedFsmAp::assignActionLocs()
+{
+	int nextLocation = 0;
+	for ( ActionTableMap::Iter act = actionMap; act.lte(); act++ ) {
+		/* Store the loc, skip over the array and a null terminator. */
+		act->location = nextLocation;
+		nextLocation += act->key.length() + 1;		
+	}
+}
+
+/* Check if we can extend the current range by displacing any ranges
+ * ahead to the singles. */
+bool RedFsmAp::canExtend( const RedTransList &list, int pos )
+{
+	/* Get the transition that we want to extend. */
+	RedTransAp *extendTrans = list[pos].value;
+
+	/* Look ahead in the transition list. */
+	for ( int next = pos + 1; next < list.length(); pos++, next++ ) {
+		/* If they are not continuous then cannot extend. */
+		Key nextKey = list[next].lowKey;
+		nextKey.decrement();
+		if ( list[pos].highKey != nextKey )
+			break;
+
+		/* Check for the extenstion property. */
+		if ( extendTrans == list[next].value )
+			return true;
+
+		/* If the span of the next element is more than one, then don't keep
+		 * checking, it won't be moved to single. */
+		unsigned long long nextSpan = keyOps->span( list[next].lowKey, list[next].highKey );
+		if ( nextSpan > 1 )
+			break;
+	}
+	return false;
+}
+
+/* Move ranges to the singles list. */
+void RedFsmAp::moveTransToSingle( RedStateAp *state )
+{
+	RedTransList &range = state->outRange;
+	RedTransList &single = state->outSingle;
+	for ( int rpos = 0; rpos < range.length(); ) {
+		/* Check if this is a range we can extend. */
+		if ( canExtend( range, rpos ) ) {
+			/* Transfer singles over. */
+			while ( range[rpos].value != range[rpos+1].value ) {
+				/* Transfer the range to single. */
+				single.append( range[rpos+1] );
+				range.remove( rpos+1 );
+			}
+			
+			/* Extend. */
+			range[rpos].highKey = range[rpos+1].highKey;
+			range.remove( rpos+1 );
+		}
+		/* Maybe move it to the singles. */
+		else if ( keyOps->span( range[rpos].lowKey, range[rpos].highKey ) == 1 ) {
+			single.append( range[rpos] );
+			range.remove( rpos );
+		}
+		else {
+			/* Keeping it in the ranges. */
+			rpos += 1;
+		}
+	}
+}
+
+/* Look through ranges and choose suitable single character transitions. */
+void RedFsmAp::chooseSingle()
+{
+	/* Loop the states. */
+	for ( RedStateList::Iter st = stateList; st.lte(); st++ ) {
+		/* Rewrite the transition list taking out the suitable single
+		 * transtions. */
+		moveTransToSingle( st );
+	}
+}
+
+void RedFsmAp::makeFlat()
+{
+	for ( RedStateList::Iter st = stateList; st.lte(); st++ ) {
+		if ( st->stateCondList.length() == 0 ) {
+			st->condLowKey = 0;
+			st->condHighKey = 0;
+		}
+		else {
+			st->condLowKey = st->stateCondList.head->lowKey;
+			st->condHighKey = st->stateCondList.tail->highKey;
+
+			unsigned long long span = keyOps->span( st->condLowKey, st->condHighKey );
+			st->condList = new CondSpace*[ span ];
+			memset( st->condList, 0, sizeof(CondSpace*)*span );
+
+			for ( StateCondList::Iter sci = st->stateCondList; sci.lte(); sci++ ) {
+				unsigned long long base, trSpan;
+				base = keyOps->span( st->condLowKey, sci->lowKey )-1;
+				trSpan = keyOps->span( sci->lowKey, sci->highKey );
+				for ( unsigned long long pos = 0; pos < trSpan; pos++ )
+					st->condList[base+pos] = sci->condSpace;
+			}
+		}
+
+		if ( st->outRange.length() == 0 ) {
+			st->lowKey = st->highKey = 0;
+			st->transList = 0;
+		}
+		else {
+			st->lowKey = st->outRange[0].lowKey;
+			st->highKey = st->outRange[st->outRange.length()-1].highKey;
+			unsigned long long span = keyOps->span( st->lowKey, st->highKey );
+			st->transList = new RedTransAp*[ span ];
+			memset( st->transList, 0, sizeof(RedTransAp*)*span );
+			
+			for ( RedTransList::Iter trans = st->outRange; trans.lte(); trans++ ) {
+				unsigned long long base, trSpan;
+				base = keyOps->span( st->lowKey, trans->lowKey )-1;
+				trSpan = keyOps->span( trans->lowKey, trans->highKey );
+				for ( unsigned long long pos = 0; pos < trSpan; pos++ )
+					st->transList[base+pos] = trans->value;
+			}
+
+			/* Fill in the gaps with the default transition. */
+			for ( unsigned long long pos = 0; pos < span; pos++ ) {
+				if ( st->transList[pos] == 0 )
+					st->transList[pos] = st->defTrans;
+			}
+		}
+	}
+}
+
+
+/* A default transition has been picked, move it from the outRange to the
+ * default pointer. */
+void RedFsmAp::moveToDefault( RedTransAp *defTrans, RedStateAp *state )
+{
+	/* Rewrite the outRange, omitting any ranges that use 
+	 * the picked default. */
+	RedTransList outRange;
+	for ( RedTransList::Iter rtel = state->outRange; rtel.lte(); rtel++ ) {
+		/* If it does not take the default, copy it over. */
+		if ( rtel->value != defTrans )
+			outRange.append( *rtel );
+	}
+
+	/* Save off the range we just created into the state's range. */
+	state->outRange.transfer( outRange );
+
+	/* Store the default. */
+	state->defTrans = defTrans;
+}
+
+bool RedFsmAp::alphabetCovered( RedTransList &outRange )
+{
+	/* Cannot cover without any out ranges. */
+	if ( outRange.length() == 0 )
+		return false;
+
+	/* If the first range doesn't start at the the lower bound then the
+	 * alphabet is not covered. */
+	RedTransList::Iter rtel = outRange;
+	if ( keyOps->minKey < rtel->lowKey )
+		return false;
+
+	/* Check that every range is next to the previous one. */
+	rtel.increment();
+	for ( ; rtel.lte(); rtel++ ) {
+		Key highKey = rtel[-1].highKey;
+		highKey.increment();
+		if ( highKey != rtel->lowKey )
+			return false;
+	}
+
+	/* The last must extend to the upper bound. */
+	RedTransEl *last = &outRange[outRange.length()-1];
+	if ( last->highKey < keyOps->maxKey )
+		return false;
+
+	return true;
+}
+
+RedTransAp *RedFsmAp::chooseDefaultSpan( RedStateAp *state )
+{
+	/* Make a set of transitions from the outRange. */
+	RedTransSet stateTransSet;
+	for ( RedTransList::Iter rtel = state->outRange; rtel.lte(); rtel++ )
+		stateTransSet.insert( rtel->value );
+	
+	/* For each transition in the find how many alphabet characters the
+	 * transition spans. */
+	unsigned long long *span = new unsigned long long[stateTransSet.length()];
+	memset( span, 0, sizeof(unsigned long long) * stateTransSet.length() );
+	for ( RedTransList::Iter rtel = state->outRange; rtel.lte(); rtel++ ) {
+		/* Lookup the transition in the set. */
+		RedTransAp **inSet = stateTransSet.find( rtel->value );
+		int pos = inSet - stateTransSet.data;
+		span[pos] += keyOps->span( rtel->lowKey, rtel->highKey );
+	}
+
+	/* Find the max span, choose it for making the default. */
+	RedTransAp *maxTrans = 0;
+	unsigned long long maxSpan = 0;
+	for ( RedTransSet::Iter rtel = stateTransSet; rtel.lte(); rtel++ ) {
+		if ( span[rtel.pos()] > maxSpan ) {
+			maxSpan = span[rtel.pos()];
+			maxTrans = *rtel;
+		}
+	}
+
+	delete[] span;
+	return maxTrans;
+}
+
+/* Pick default transitions from ranges for the states. */
+void RedFsmAp::chooseDefaultSpan()
+{
+	/* Loop the states. */
+	for ( RedStateList::Iter st = stateList; st.lte(); st++ ) {
+		/* Only pick a default transition if the alphabet is covered. This
+		 * avoids any transitions in the out range that go to error and avoids
+		 * the need for an ERR state. */
+		if ( alphabetCovered( st->outRange ) ) {
+			/* Pick a default transition by largest span. */
+			RedTransAp *defTrans = chooseDefaultSpan( st );
+
+			/* Rewrite the transition list taking out the transition we picked
+			 * as the default and store the default. */
+			moveToDefault( defTrans, st );
+		}
+	}
+}
+
+RedTransAp *RedFsmAp::chooseDefaultGoto( RedStateAp *state )
+{
+	/* Make a set of transitions from the outRange. */
+	RedTransSet stateTransSet;
+	for ( RedTransList::Iter rtel = state->outRange; rtel.lte(); rtel++ ) {
+		if ( rtel->value->targ == state->next )
+			return rtel->value;
+	}
+	return 0;
+}
+
+void RedFsmAp::chooseDefaultGoto()
+{
+	/* Loop the states. */
+	for ( RedStateList::Iter st = stateList; st.lte(); st++ ) {
+		/* Pick a default transition. */
+		RedTransAp *defTrans = chooseDefaultGoto( st );
+		if ( defTrans == 0 )
+			defTrans = chooseDefaultSpan( st );
+
+		/* Rewrite the transition list taking out the transition we picked
+		 * as the default and store the default. */
+		moveToDefault( defTrans, st );
+	}
+}
+
+RedTransAp *RedFsmAp::chooseDefaultNumRanges( RedStateAp *state )
+{
+	/* Make a set of transitions from the outRange. */
+	RedTransSet stateTransSet;
+	for ( RedTransList::Iter rtel = state->outRange; rtel.lte(); rtel++ )
+		stateTransSet.insert( rtel->value );
+	
+	/* For each transition in the find how many ranges use the transition. */
+	int *numRanges = new int[stateTransSet.length()];
+	memset( numRanges, 0, sizeof(int) * stateTransSet.length() );
+	for ( RedTransList::Iter rtel = state->outRange; rtel.lte(); rtel++ ) {
+		/* Lookup the transition in the set. */
+		RedTransAp **inSet = stateTransSet.find( rtel->value );
+		numRanges[inSet - stateTransSet.data] += 1;
+	}
+
+	/* Find the max number of ranges. */
+	RedTransAp *maxTrans = 0;
+	int maxNumRanges = 0;
+	for ( RedTransSet::Iter rtel = stateTransSet; rtel.lte(); rtel++ ) {
+		if ( numRanges[rtel.pos()] > maxNumRanges ) {
+			maxNumRanges = numRanges[rtel.pos()];
+			maxTrans = *rtel;
+		}
+	}
+
+	delete[] numRanges;
+	return maxTrans;
+}
+
+void RedFsmAp::chooseDefaultNumRanges()
+{
+	/* Loop the states. */
+	for ( RedStateList::Iter st = stateList; st.lte(); st++ ) {
+		/* Pick a default transition. */
+		RedTransAp *defTrans = chooseDefaultNumRanges( st );
+
+		/* Rewrite the transition list taking out the transition we picked
+		 * as the default and store the default. */
+		moveToDefault( defTrans, st );
+	}
+}
+
+RedTransAp *RedFsmAp::getErrorTrans( )
+{
+	/* If the error trans has not been made aready, make it. */
+	if ( errTrans == 0 ) {
+		/* This insert should always succeed since no transition created by
+		 * the user can point to the error state. */
+		errTrans = new RedTransAp( getErrorState(), 0, nextTransId++ );
+		RedTransAp *inRes = transSet.insert( errTrans );
+		assert( inRes != 0 );
+	}
+	return errTrans;
+}
+
+RedStateAp *RedFsmAp::getErrorState()
+{
+	/* Something went wrong. An error state is needed but one was not supplied
+	 * by the frontend. */
+	assert( errState != 0 );
+	return errState;
+}
+
+
+RedTransAp *RedFsmAp::allocateTrans( RedStateAp *targ, RedAction *action )
+{
+	/* Create a reduced trans and look for it in the transiton set. */
+	RedTransAp redTrans( targ, action, 0 );
+	RedTransAp *inDict = transSet.find( &redTrans );
+	if ( inDict == 0 ) {
+		inDict = new RedTransAp( targ, action, nextTransId++ );
+		transSet.insert( inDict );
+	}
+	return inDict;
+}
+
+void RedFsmAp::partitionFsm( int nparts )
+{
+	/* At this point the states are ordered by a depth-first traversal. We
+	 * will allocate to partitions based on this ordering. */
+	this->nParts = nparts;
+	int partSize = stateList.length() / nparts;
+	int remainder = stateList.length() % nparts;
+	int numInPart = partSize;
+	int partition = 0;
+	if ( remainder-- > 0 )
+		numInPart += 1;
+	for ( RedStateList::Iter st = stateList; st.lte(); st++ ) {
+		st->partition = partition;
+
+		numInPart -= 1;
+		if ( numInPart == 0 ) {
+			partition += 1;
+			numInPart = partSize;
+			if ( remainder-- > 0 )
+				numInPart += 1;
+		}
+	}
+}
+
+void RedFsmAp::setInTrans()
+{
+	/* First pass counts the number of transitions. */
+	for ( TransApSet::Iter trans = transSet; trans.lte(); trans++ )
+		trans->targ->numInTrans += 1;
+
+	/* Pass over states to allocate the needed memory. Reset the counts so we
+	 * can use them as the current size. */
+	for ( RedStateList::Iter st = stateList; st.lte(); st++ ) {
+		st->inTrans = new RedTransAp*[st->numInTrans];
+		st->numInTrans = 0;
+	}
+
+	/* Second pass over transitions copies pointers into the in trans list. */
+	for ( TransApSet::Iter trans = transSet; trans.lte(); trans++ )
+		trans->targ->inTrans[trans->targ->numInTrans++] = trans;
+}