/*
build arguments' internal interrelations
*/
void build_args_map(EtalisExecNode* Node,term_t lhs,term_t rhs)
{
/* assuming that all arguments are int. Further Datatypes will be supported in the future. */
/* Arity of all the involved events */
/* Note : need to test if this is more efficient than directly calling the struct's members*/
int arg_count = Node->leftChild->event.arity+Node->rightChild->event.arity+Node->parentEvent->event.arity;
int arg_iterator=0;
char* arguments=calloc(arg_count*256,sizeof(char));
char Goal[256];
char Goal2[256];
char WhereGoal[256];
termToString(rhs,Goal2,arguments);
termToString(lhs,Goal,arguments);
char* arguments_cond=calloc(arg_count*256,sizeof(char));
termToStringVerbatim(rhs,WhereGoal,arguments_cond);
int extra_args=0; /* used if a where clause is available */
char* orig_args=arguments;
if(Node->has_condition == ETALIS_TRUE)
{
while(*arguments)
{
if(*arguments == '_')
extra_args++;
arguments++;
}
extra_args = extra_args - arg_count;
arguments=orig_args;
char * whereRightBound;
char * whereLeftBound;
whereRightBound = WhereGoal + strlen(WhereGoal);
while(*whereRightBound != ',')
whereRightBound--;
whereRightBound--;
whereLeftBound = strstr(WhereGoal,"wheref");
whereLeftBound = whereLeftBound+7;
int leftParenth=0, rightParenth=0;
while(*whereLeftBound != '\0')
{
if(*whereLeftBound == ')')
rightParenth++;
if(*whereLeftBound == '(')
leftParenth++;
if(leftParenth == rightParenth && leftParenth != 0)
break;
whereLeftBound++;
}
whereLeftBound=whereLeftBound+2;
char* constraints_verbatim = malloc(256*sizeof(char));
strncpy(constraints_verbatim,whereLeftBound,strlen(whereLeftBound)-strlen(whereRightBound));
Node->whereNode->conditions=constraints_verbatim;
printf("CONSTRAINTS: %s\n",constraints_verbatim);
}
#ifdef DEBUG
printf("rule args : %s\n",arguments);
#endif
char** argument_array = malloc((arg_count+extra_args)*sizeof(char*));
char* pch;
pch = strtok(arguments,"_");
while(pch != NULL)
{
argument_array[arg_iterator] = malloc(sizeof(char)*strlen(pch));
strcpy(argument_array[arg_iterator],pch);
arg_iterator++;
pch = strtok(NULL,"_");
}
#ifdef DEBUG
for(arg_iterator=0;arg_iterator<(arg_count+extra_args);arg_iterator++)
printf("arg[%d] : %s\n",arg_iterator,argument_array[arg_iterator]);
#endif
argument_link* temp_arg =NULL;
size_t left_s = Node->leftChild->event.arity;
size_t right_s = Node->rightChild->event.arity;
size_t cplx_s = Node->parentEvent->event.arity;
/* handling of left event args : Usually these are unbound */
Node->leftChild->arg_links = calloc(Node->leftChild->event.arity,sizeof(argument_link));
temp_arg = Node->leftChild->arg_links;
for(arg_iterator=0;arg_iterator<(Node->leftChild->event.arity);arg_iterator++)
{
(temp_arg+arg_iterator)->event_= UNBOUND_ARGUMENT;
(temp_arg+arg_iterator)->argument_number = UNBOUND_ARGUMENT;
}
/* handling of right event args */ /* todo check for the unbound event case */
Node->rightChild->arg_links = calloc(Node->rightChild->event.arity,sizeof(argument_link));
temp_arg = Node->rightChild->arg_links;
for(arg_iterator=0;arg_iterator<(Node->rightChild->event.arity);arg_iterator++)
{
int pos=-1;
pos = findInStringArray(0,left_s,argument_array,argument_array[left_s+arg_iterator]);
(temp_arg+arg_iterator)->event_= (pos == -1 ? UNBOUND_ARGUMENT : 1 );
(temp_arg+arg_iterator)->argument_number = (pos == -1 ? UNBOUND_ARGUMENT : pos );
}
#ifdef DEBUG
for(arg_iterator=0;arg_iterator<right_s;arg_iterator++)
printf("ARG[%d] of right event is bound to Event %d : arg [%d]\n",arg_iterator,Node->rightChild->arg_links[arg_iterator].event_,Node->rightChild->arg_links[arg_iterator].argument_number);
#endif
/* handling of additional clauses : where, etc ..*/
if(Node->has_condition == ETALIS_TRUE)
{
Node->whereNode->arg_links=(argument_link*)malloc(sizeof(argument_link)*extra_args);
/* search for the conditions in the events */
temp_arg = Node->whereNode->arg_links;
for(arg_iterator=0;arg_iterator<extra_args;arg_iterator++)
{
int pos=-1;
pos= findInStringArray(0,left_s,argument_array,argument_array[left_s+right_s+arg_iterator]);
if (pos == -1) /* Unbound event */
{
(temp_arg+arg_iterator)->event_= UNBOUND_ARGUMENT;
(temp_arg+arg_iterator)->argument_number = UNBOUND_ARGUMENT;
continue;
}
else
{
(temp_arg+arg_iterator)->event_= 1;
(temp_arg+arg_iterator)->argument_number = pos;
continue;
}
/* this should be fixed */
pos= findInStringArray(left_s,right_s+left_s,argument_array,argument_array[left_s+right_s+arg_iterator]);
}
}
/* handling of complex event args */
Node->parentEvent->arg_links = (argument_link*)malloc(Node->parentEvent->event.arity*sizeof(argument_link));
temp_arg = Node->parentEvent->arg_links;
for(arg_iterator=0;arg_iterator<(Node->parentEvent->event.arity);arg_iterator++)
{
int pos=-1;
pos = findInStringArray(0,left_s+right_s,argument_array,argument_array[extra_args+left_s+right_s+arg_iterator]);
if (pos == -1) /* Unbound event */
{
(temp_arg+arg_iterator)->event_= UNBOUND_ARGUMENT;
(temp_arg+arg_iterator)->argument_number = UNBOUND_ARGUMENT;
continue;
}
else if (pos <left_s)
{
(temp_arg+arg_iterator)->event_=1;
(temp_arg+arg_iterator)->argument_number = pos;
continue;
}
else if (pos-left_s < right_s)
{
(temp_arg+arg_iterator)->event_=2;
(temp_arg+arg_iterator)->argument_number = pos-left_s; /* todo correct offset */
continue;
}
}
#ifdef DEBUG
for(arg_iterator=0;arg_iterator<cplx_s;arg_iterator++)
printf("ARG[%d] of complex event is bound to Event %d : arg [%d]\n",arg_iterator,Node->parentEvent->arg_links[arg_iterator].event_,Node->parentEvent->arg_links[arg_iterator].argument_number);
#endif
/* free temporary data */
/* todo fixme win7 Heap FTH : look here : http://stackoverflow.com/questions/1621059/breakpoints-out-of-nowhere-when-debugging-with-gdb-inside-ntdll */
/*
for(arg_iterator=0;arg_iterator<arg_count;arg_iterator++)
free(argument_array[arg_iterator]);
*/
free(argument_array);
free(arguments);
return;
}
int processXMsg( int streamId, char *readmsg,
RuleEngineEventParam *param, Node *node,
Env *env, ruleExecInfo_t *rei ) {
char myhdr[HEADER_TYPE_LEN];
char mymsg[MAX_NAME_LEN];
char *outStr = NULL;
int i, n;
int iLevel, wCnt;
int ruleInx = 0;
Region *r;
Res *res;
rError_t errmsg;
errmsg.len = 0;
errmsg.errMsg = NULL;
r = make_region( 0, NULL );
ParserContext *context = newParserContext( &errmsg, r );
Pointer *e = newPointer2( readmsg );
int rulegen = 1;
int found;
int grdf[2];
int cmd = 0;
int smallW;
snprintf( myhdr, HEADER_TYPE_LEN - 1, "idbug:%s", param->actionName );
memset( mymsg, 0, sizeof( mymsg ) );
PARSER_BEGIN( DbgCmd )
TRY( DbgCmd )
TTEXT2( "n", "next" );
cmd = REDEBUG_STEP_OVER;
OR( DbgCmd )
TTEXT2( "s", "step" );
cmd = REDEBUG_NEXT;
OR( DbgCmd )
TTEXT2( "f", "finish" );
cmd = REDEBUG_STEP_OUT;
OR( DbgCmd )
TTEXT2( "b", "break" );
TRY( Param )
TTYPE( TK_TEXT );
int breakPointsInx2;
for ( breakPointsInx2 = 0; breakPointsInx2 < 100; breakPointsInx2++ ) {
if ( breakPoints[breakPointsInx2].actionName == NULL ) {
break;
}
}
if ( breakPointsInx2 == 100 ) {
_writeXMsg( streamId, myhdr, "Maximum breakpoint count reached. Breakpoint not set.\n" );
cmd = REDEBUG_WAIT;
}
else {
breakPoints[breakPointsInx2].actionName = strdup( token->text );
char * base_ptr = NULL;
TRY( loc )
TTYPE( TK_TEXT );
base_ptr = ( char * ) malloc( sizeof( token->text ) + 2 );
base_ptr[0] = 'f';
strcpy( base_ptr + 1, token->text );
TTEXT( ":" );
TTYPE( TK_INT );
breakPoints[breakPointsInx2].base = strdup( base_ptr );
breakPoints[breakPointsInx2].line = atoi( token->text );
rodsLong_t range[2];
char rulesFileName[MAX_NAME_LEN];
getRuleBasePath( base_ptr, rulesFileName );
FILE *file;
/* char errbuf[ERR_MSG_LEN]; */
file = fopen( rulesFileName, "r" );
if ( file == NULL ) {
free( context );
deletePointer( e );
free( base_ptr );
return RULES_FILE_READ_ERROR;
}
Pointer *p = newPointer( file, base_ptr );
if ( getLineRange( p, breakPoints[breakPointsInx2].line, range ) == 0 ) {
breakPoints[breakPointsInx2].start = range[0];
breakPoints[breakPointsInx2].finish = range[1];
}
else {
breakPoints[breakPointsInx2].actionName = NULL;
}
deletePointer( p );
OR( loc )
TTYPE( TK_INT );
if ( node != NULL ) {
breakPoints[breakPointsInx2].base = strdup( node->base );
breakPoints[breakPointsInx2].line = atoi( token->text );
rodsLong_t range[2];
Pointer *p = newPointer2( breakPoints[breakPointsInx2].base );
if ( getLineRange( p, breakPoints[breakPointsInx2].line, range ) == 0 ) {
breakPoints[breakPointsInx2].start = range[0];
breakPoints[breakPointsInx2].finish = range[1];
}
else {
breakPoints[breakPointsInx2].actionName = NULL;
}
deletePointer( p );
}
else {
breakPoints[breakPointsInx2].actionName = NULL;
}
OR( loc )
/* breakPoints[breakPointsInx].base = NULL; */
END_TRY( loc )
free( base_ptr );
if ( breakPoints[breakPointsInx2].actionName != NULL )
snprintf( mymsg, MAX_NAME_LEN, "Breakpoint %i set at %s\n", breakPointsInx2,
breakPoints[breakPointsInx2].actionName );
else {
snprintf( mymsg, MAX_NAME_LEN, "Cannot set breakpoint, source not available\n" );
}
_writeXMsg( streamId, myhdr, mymsg );
if ( breakPointsInx <= breakPointsInx2 ) {
breakPointsInx = breakPointsInx2 + 1;
}
cmd = REDEBUG_WAIT;
}
OR( Param )
NEXT_TOKEN_BASIC;
_writeXMsg( streamId, myhdr, "Unknown parameter type.\n" );
cmd = REDEBUG_WAIT;
OR( Param )
_writeXMsg( streamId, myhdr, "Debugger command \'break\' requires at least one argument.\n" );
cmd = REDEBUG_WAIT;
END_TRY( Param )
OR( DbgCmd )
TRY( Where )
TTEXT2( "w", "where" );
smallW = 1;
OR( Where )
TTEXT2( "W", "Where" );
smallW = 0;
END_TRY( Where )
wCnt = 20;
OPTIONAL_BEGIN( Param )
TTYPE( TK_INT );
wCnt = atoi( token->text );
OPTIONAL_END( Param )
iLevel = 0;
i = reDebugStackCurrPtr - 1;
while ( i >= 0 && wCnt > 0 ) {
if ( !smallW || ( reDebugPCType( ( RuleEngineEvent ) reDebugStackCurr[i].label ) & 1 ) != 0 ) {
snprintf( myhdr, HEADER_TYPE_LEN - 1, "idbug: Level %3i", iLevel );
char msg[HEADER_TYPE_LEN - 1];
RuleEngineEventParam param;
param.ruleIndex = 0;
param.actionName = reDebugStackCurr[i].step;
printRuleEngineEventLabel( msg, HEADER_TYPE_LEN - 1, ( RuleEngineEvent ) reDebugStackCurr[i].label, ¶m );
_writeXMsg( streamId, myhdr, msg );
if ( reDebugStackCurr[i].label != EXEC_ACTION_BEGIN ) {
iLevel++;
}
wCnt--;
}
i--;
}
OR( DbgCmd )
TTEXT2( "l", "list" );
TRY( Param )
TTEXT2( "r", "rule" );
TRY( ParamParam )
TTYPE( TK_TEXT );
mymsg[0] = '\n';
mymsg[1] = '\0';
snprintf( myhdr, HEADER_TYPE_LEN - 1, "idbug: Listing %s", token->text );
RuleIndexListNode *node;
found = 0;
while ( findNextRule2( token->text, ruleInx, &node ) != NO_MORE_RULES_ERR ) {
found = 1;
if ( node->secondaryIndex ) {
n = node->condIndex->valIndex->len;
int i;
for ( i = 0; i < n; i++ ) {
Bucket *b = node->condIndex->valIndex->buckets[i];
while ( b != NULL ) {
RuleDesc *rd = getRuleDesc( *( int * )b->value );
char buf[MAX_RULE_LEN];
ruleToString( buf, MAX_RULE_LEN, rd );
snprintf( mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ), "%i: %s\n%s\n", node->ruleIndex, rd->node->base[0] == 's' ? "<source>" : rd->node->base + 1, buf );
b = b->next;
}
}
}
else {
RuleDesc *rd = getRuleDesc( node->ruleIndex );
char buf[MAX_RULE_LEN];
ruleToString( buf, MAX_RULE_LEN, rd );
snprintf( mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ), "\n %i: %s\n%s\n", node->ruleIndex, rd->node->base[0] == 's' ? "<source>" : rd->node->base + 1, buf );
}
ruleInx ++;
}
if ( !found ) {
snprintf( mymsg, MAX_NAME_LEN, "Rule %s not found\n", token->text );
}
_writeXMsg( streamId, myhdr, mymsg );
cmd = REDEBUG_WAIT;
OR( ParamParam )
_writeXMsg( streamId, myhdr, "Debugger command \'list rule\' requires one argument.\n" );
cmd = REDEBUG_WAIT;
END_TRY( ParamParam )
OR( Param )
TTEXT2( "b", "breakpoints" );
snprintf( myhdr, HEADER_TYPE_LEN - 1, "idbug: Listing %s", token->text );
mymsg[0] = '\n';
mymsg[1] = '\0';
for ( i = 0; i < breakPointsInx; i++ ) {
if ( breakPoints[i].actionName != NULL ) {
if ( breakPoints[i].base != NULL ) {
snprintf( mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ), "Breaking at BreakPoint %i:%s %s:%d\n", i , breakPoints[i].actionName, breakPoints[i].base[0] == 's' ? "<source>" : breakPoints[i].base + 1, breakPoints[i].line );
}
else {
snprintf( mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ), "Breaking at BreakPoint %i:%s\n", i , breakPoints[i].actionName );
}
}
}
_writeXMsg( streamId, myhdr, mymsg );
cmd = REDEBUG_WAIT;
OR( Param )
TTEXT( "*" );
snprintf( myhdr, HEADER_TYPE_LEN - 1, "idbug: Listing %s", token->text );
Env *cenv = env;
mymsg[0] = '\n';
mymsg[1] = '\0';
found = 0;
while ( cenv != NULL ) {
n = cenv->current->size;
for ( i = 0; i < n; i++ ) {
Bucket *b = cenv->current->buckets[i];
while ( b != NULL ) {
if ( b->key[0] == '*' ) { /* skip none * variables */
found = 1;
char typeString[128];
typeToString( ( ( Res * )b->value )->exprType, NULL, typeString, 128 );
snprintf( mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ), "%s of type %s\n", b->key, typeString );
}
b = b->next;
}
}
cenv = cenv->previous;
}
if ( !found ) {
snprintf( mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ), "<empty>\n" );
}
_writeXMsg( streamId, myhdr, mymsg );
cmd = REDEBUG_WAIT;
OR( Param )
syncTokenQueue( e, context );
skipWhitespace( e );
ABORT( lookAhead( e, 0 ) != '$' );
snprintf( myhdr, HEADER_TYPE_LEN - 1, "idbug: Listing %s", token->text );
mymsg[0] = '\n';
mymsg[1] = '\0';
Hashtable *vars = newHashTable( 100 );
for ( i = 0; i < coreRuleVarDef .MaxNumOfDVars; i++ ) {
if ( lookupFromHashTable( vars, coreRuleVarDef.varName[i] ) == NULL ) {
snprintf( &mymsg[strlen( mymsg )], MAX_NAME_LEN - strlen( mymsg ), "$%s\n", coreRuleVarDef.varName[i] );
insertIntoHashTable( vars, coreRuleVarDef.varName[i], coreRuleVarDef.varName[i] );
}
}
deleteHashTable( vars, NULL );
_writeXMsg( streamId, myhdr, mymsg );
cmd = REDEBUG_WAIT;
OR( Param )
NEXT_TOKEN_BASIC;
_writeXMsg( streamId, myhdr, "Unknown parameter type.\n" );
cmd = REDEBUG_WAIT;
OR( Param )
_writeXMsg( streamId, myhdr, "Debugger command \'list\' requires at least one argument.\n" );
cmd = REDEBUG_WAIT;
END_TRY( Param )
OR( DbgCmd )
TTEXT2( "c", "continue" );
cmd = REDEBUG_STEP_CONTINUE;
OR( DbgCmd )
TTEXT2( "C", "Continue" );
cmd = REDEBUG_CONTINUE_VERBOSE;
OR( DbgCmd )
TTEXT2( "del", "delete" );
TRY( Param )
TTYPE( TK_INT );
n = atoi( token->text );
if ( breakPoints[n].actionName != NULL ) {
free( breakPoints[n].actionName );
if ( breakPoints[n].base != NULL ) {
free( breakPoints[n].base );
}
breakPoints[n].actionName = NULL;
breakPoints[n].base = NULL;
snprintf( mymsg, MAX_NAME_LEN, "Breakpoint %i deleted\n", n );
}
else {
snprintf( mymsg, MAX_NAME_LEN, "Breakpoint %i has not been defined\n", n );
}
_writeXMsg( streamId, myhdr, mymsg );
cmd = REDEBUG_WAIT;
OR( Param )
_writeXMsg( streamId, myhdr, "Debugger command \'delete\' requires one argument.\n" );
cmd = REDEBUG_WAIT;
END_TRY( Param )
OR( DbgCmd )
TTEXT2( "p", "print" );
Node *n = parseTermRuleGen( e, 1, context );
if ( getNodeType( n ) == N_ERROR ) {
errMsgToString( context->errmsg, mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ) );
}
else {
snprintf( myhdr, HEADER_TYPE_LEN - 1, "idbug: Printing " );
char * ptr = myhdr + strlen( myhdr );
i = HEADER_TYPE_LEN - 1 - strlen( myhdr );
termToString( &ptr, &i, 0, MIN_PREC, n, 0 );
snprintf( ptr, i, "\n" );
if ( env != NULL ) {
disableReDebugger( grdf );
res = computeNode( n, NULL, regionRegionCpEnv( env, r, ( RegionRegionCopyFuncType * ) regionRegionCpNode ), rei, 0, &errmsg, r );
enableReDebugger( grdf );
outStr = convertResToString( res );
snprintf( mymsg, MAX_NAME_LEN, "%s\n", outStr );
free( outStr );
if ( getNodeType( res ) == N_ERROR ) {
errMsgToString( &errmsg, mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ) );
}
}
else {
snprintf( mymsg, MAX_NAME_LEN, "Runtime environment: <empty>\n" );
}
}
_writeXMsg( streamId, myhdr, mymsg );
cmd = REDEBUG_WAIT;
OR( DbgCmd )
TTEXT2( "d", "discontinue" );
cmd = REDEBUG_WAIT;
OR( DbgCmd )
snprintf( mymsg, MAX_NAME_LEN, "Unknown Action: %s", readmsg );
_writeXMsg( streamId, myhdr, mymsg );
cmd = REDEBUG_WAIT;
END_TRY( DbgCmd )
PARSER_END( DbgCmd )
freeRErrorContent( &errmsg );
region_free( r );
deletePointer( e );
free( context );
return cmd;
}