src/constraintTerm.c

/*
** constraintExpr.c
*/

//#define DEBUGPRINT 1

# include <ctype.h> /* for isdigit */
# include "lclintMacros.nf"
# include "basic.h"
# include "cgrammar.h"
# include "cgrammar_tokens.h"

# include "exprChecks.h"
# include "exprNodeSList.h"

/*@-czechfcns@*/

//#include "constraintExpr.h"

/*@access exprNode @*/

bool constraintTerm_isDefined (constraintTerm t)
{
  return t != NULL;
}

/*@unused@*/ static bool constraintTerm_same (constraintTerm p_term1, constraintTerm p_term2) ;

void constraintTerm_free (/*@only@*/ constraintTerm term)
{
  llassert (constraintTerm_isDefined (term));

  fileloc_free (term->loc);

  switch (term->kind)
    {
    case EXPRNODE:
      /* we don't free an exprNode*/
      break;
    case SREF:
      /* sref */
      sRef_free (term->value.sref);
      break;
    case INTLITERAL:
      /* don't free an int */
      break;
    case  ERRORBADCONSTRAINTTERMTYPE:
    default:
      /* type was set incorrectly */
      llcontbug (message("constraintTerm_free type was set incorrectly"));
    }
  //  term->value.intlit = 0;
  term->kind =  ERRORBADCONSTRAINTTERMTYPE;
  free (term);
}

/*@only@*/ static/*@out@*/ constraintTerm new_constraintTermExpr (void)
{
  constraintTerm ret;
  ret = dmalloc (sizeof (* ret ) );
  ret->value.intlit = 0;
  return ret;
}


bool constraintTerm_isIntLiteral (constraintTerm term)
{
  llassert(term != NULL);

  if (term->kind == INTLITERAL)
    return TRUE;

  return FALSE;
}

bool constraintTerm_isStringLiteral (constraintTerm c) /*@*/
{
  llassert (c != NULL);
  if (c->kind == EXPRNODE)
    {
      if (exprNode_knownStringValue(c->value.expr) )
	{
	  return TRUE;
	}
    }
  return FALSE;
}

cstring constraintTerm_getStringLiteral (constraintTerm c)
{
  llassert (c != NULL);
  llassert (constraintTerm_isStringLiteral (c) );
  llassert (c->kind == EXPRNODE);

  return (cstring_copy ( multiVal_forceString (exprNode_getValue (c->value.expr) ) ) );
}

constraintTerm constraintTerm_simplify (/*@returned@*/ constraintTerm term) /*@modifies term@*/
{
  if (term->kind == EXPRNODE)
    {
      if ( exprNode_knownIntValue (term->value.expr ) )
	{
	  long int temp;

	  temp  = exprNode_getLongValue (term->value.expr);
	  term->value.intlit = (int)temp;
	  term->kind = INTLITERAL;
	}
    }
  return term;
}

fileloc constraintTerm_getFileloc (constraintTerm t)
{
  llassert (constraintTerm_isDefined (t));
  return (fileloc_copy (t->loc) );
}

constraintTermType constraintTerm_getKind (constraintTerm t)
{
  llassert (constraintTerm_isDefined(t) );

  return (t->kind);
}

/*@exposed@*/ sRef constraintTerm_getSRef (constraintTerm t)
{
  llassert (constraintTerm_isDefined(t) );
  llassert (t->kind == SREF);

  return (t->value.sref);
}

/*@only@*/ constraintTerm constraintTerm_makeExprNode (/*@depenedent@*/  exprNode e)
{
  constraintTerm ret = new_constraintTermExpr();
  ret->loc =  fileloc_copy(exprNode_getfileloc(e));
  ret->value.expr = e;
  ret->kind = EXPRNODE;
  ret = constraintTerm_simplify(ret);
  return ret;
}

/*@only@*/ constraintTerm constraintTerm_makesRef  (/*@temp@*/ /*@observer@*/ sRef s)
{
  constraintTerm ret = new_constraintTermExpr();
  ret->loc =  fileloc_undefined;
  ret->value.sref = sRef_saveCopy(s);
  ret->kind = SREF;
  ret = constraintTerm_simplify(ret);
  return ret;
}


constraintTerm constraintTerm_copy (constraintTerm term)
{
  constraintTerm ret;
  ret = new_constraintTermExpr();
  ret->loc = fileloc_copy (term->loc);

  switch (term->kind)
    {
    case EXPRNODE:
      ret->value.expr = term->value.expr;
      break;
    case INTLITERAL:
      ret->value.intlit = term->value.intlit;
      break;

    case SREF:
      ret->value.sref = sRef_saveCopy(term->value.sref);
      break;
    default:
      BADEXIT;
    }
  ret->kind = term->kind;
  return ret;
}

constraintTerm constraintTerm_setFileloc (/*@returned@*/ constraintTerm term, fileloc loc)
{
  llassert(term != NULL);

  if ( fileloc_isDefined(  term->loc ) )
    fileloc_free(term->loc);

  term->loc = fileloc_copy(loc);
  return term;
}


static cstring constraintTerm_getName (constraintTerm term)
{
  cstring s;
  s = cstring_undefined;

  llassert (term != NULL);

  switch (term->kind)
    {
    case EXPRNODE:
      /*@i334*/  //wtf
      s = message ("%s", exprNode_unparse (term->value.expr) );
      break;
    case INTLITERAL:
      s = message (" %d ", term->value.intlit);
      break;

    case SREF:
      s = message ("%q", sRef_unparse (term->value.sref) );

      break;
    default:
      BADEXIT;
      /*@notreached@*/
      break;
    }

  return s;
}

constraintTerm
constraintTerm_doSRefFixBaseParam (/*@returned@*/constraintTerm term, exprNodeList arglist) /*@modifies term@*/
{
  llassert (term != NULL);

  switch (term->kind)
    {
    case EXPRNODE:
      /*@i334*/  //wtf
      //   s = message ("%s @ %s ", exprNode_unparse (term->value.expr),
      //	   fileloc_unparse (term->loc) );
      break;
    case INTLITERAL:
      //  s = message (" %d ", term->value.intlit);
       break;

    case SREF:
      term->value.sref = sRef_fixBaseParam (term->value.sref, arglist);
      //      s = message ("%s ", sRef_unparse (term->value.sref) );

      break;
    default:
      BADEXIT;
    }
  return term;

}

cstring constraintTerm_print (constraintTerm term)  /*@*/
{
  cstring s;
  s = cstring_undefined;

  llassert (term != NULL);

  switch (term->kind)
    {
    case EXPRNODE:
      /*@i334*/  //wtf
      s = message ("%s @ %q ", exprNode_unparse (term->value.expr),
		   fileloc_unparse (term->loc) );
      break;
    case INTLITERAL:
      s = message (" %d ", term->value.intlit);
      break;

    case SREF:
      s = message ("%q ", sRef_unparseDebug (term->value.sref) );

      break;
    default:
      BADEXIT;
    }

  return s;
}


constraintTerm constraintTerm_makeIntLiteral (int i)
{
  constraintTerm ret = new_constraintTermExpr();
  ret->value.intlit = i;
  ret->kind = INTLITERAL;
  ret->loc =  fileloc_undefined;
  return ret;
}

bool constraintTerm_canGetValue (constraintTerm term)
{
  if (term->kind == INTLITERAL)
    return TRUE;
  else
    return FALSE;
}

int constraintTerm_getValue (constraintTerm term)
{
  llassert (term->kind == INTLITERAL);
  return term->value.intlit;
}

/* same and similar are similar but not the same*/
static bool constraintTerm_same (constraintTerm term1, constraintTerm term2)
{
  llassert (term1 !=NULL && term2 !=NULL);

  if ( (term1->kind != term2->kind) || (term1->kind != EXPRNODE) )
    {
      return FALSE;
    }

 DPRINTF ( (message
	    ("Comparing srefs for %s and  %s ", constraintTerm_print(term1), constraintTerm_print(term2)
	     )
	    )
	   );

 if (sRef_same (term1->value.expr->sref, term2->value.expr->sref) )
   {
     DPRINTF ((message (" %s and %s are same", constraintTerm_print(term1), constraintTerm_print(term2)  )  ));
     return TRUE;
   }
 else
   {
     DPRINTF ((message (" %s and %s are not same", constraintTerm_print(term1), constraintTerm_print(term2)  )  ));
     return FALSE;
   }

}

static /*@exposed@*/ sRef constraintTerm_getsRef (constraintTerm t)
{
  llassert (t != NULL);
  if (t->kind == EXPRNODE)
    {
      return exprNode_getSref(t->value.expr);
    }

  if (t->kind == SREF)
    {
      return t->value.sref;
    }

  return sRef_undefined;
}

bool constraintTerm_probSame (constraintTerm term1, constraintTerm term2)
{
  cstring s1, s2;

  llassert (term1 !=NULL && term2 !=NULL);

 DPRINTF ( (message
	    ("Comparing srefs for %s and  %s ", constraintTerm_print(term1), constraintTerm_print(term2)
	     )
	    )
	   );

  s1 = constraintTerm_getName (term1);
  s2 = constraintTerm_getName (term2);

  if (cstring_equal (s1, s2) )
    {
      DPRINTF ((message (" %q and %q are same", s1, s2 ) ) );
     return TRUE;
   }
  else
     {
     DPRINTF ((message (" %q and %q are not same", s1, s2 ) ) );
     return FALSE;
   }
}

bool constraintTerm_similar (constraintTerm term1, constraintTerm term2)
{
  sRef s1, s2;

  llassert (term1 !=NULL && term2 !=NULL);

  if ( (term1->kind == INTLITERAL) && (term2->kind == INTLITERAL) )
    {
      int t1, t2;
      llassert (constraintTerm_canGetValue(term1) );
      t1 = constraintTerm_getValue (term1);

      llassert (constraintTerm_canGetValue(term2) );
      t2 = constraintTerm_getValue (term2);
      if (t1 == t2)
	return TRUE;

       return FALSE;
    }

  s1 = constraintTerm_getsRef (term1);
  s2 = constraintTerm_getsRef (term2);

  if ( ! (sRef_isValid(s1) && sRef_isValid(s2) ) )
    {
      return FALSE;
    }

 DPRINTF( (message
	    ("Comparing srefs for %s and  %s ", constraintTerm_print(term1), constraintTerm_print(term2)
	     )
	    )
	   );

 if (sRef_similarRelaxed(s1, s2)   || sRef_sameName (s1, s2) )
   {
     DPRINTF ((message (" %s and %s are same", constraintTerm_print(term1), constraintTerm_print(term2)  )  ));
     return TRUE;
   }
 else
   {
     DPRINTF ((message (" %s and %s are not same", constraintTerm_print(term1), constraintTerm_print(term2)  )  ));
     return FALSE;
   }

}

void constraintTerm_dump ( /*@observer@*/ constraintTerm t,  FILE *f)
{
  fileloc loc;
  constraintTermValue value;
  constraintTermType kind;
  uentry u;

  loc = t->loc;

  value = t->value;

  kind  = t->kind;

  fprintf(f, "%d\n", (int) kind);

  switch (kind)
    {

    case EXPRNODE:
      u = exprNode_getUentry(t->value.expr);
      fprintf(f, "%s\n", cstring_toCharsSafe( uentry_rawName (u) )
	      );
      break;

    case SREF:
      {
	sRef s;

	s =  t->value.sref;

	if (sRef_isResult (s ) )
	  {
	    fprintf(f, "Result\n");
	  }
	else if (sRef_isParam (s ) )
	  {
	    int param;
	    ctype ct;
	    cstring ctString;


	    ct =  sRef_getType (s);
	    param = sRef_getParam(s);

	    ctString =  ctype_dump(ct);

	    fprintf(f, "Param %s %d\n", cstring_toCharsSafe(ctString), (int) param );
	    cstring_free(ctString);
	  }
	else
	  {
	    u = sRef_getUentry(s);
	    fprintf(f, "%s\n", cstring_toCharsSafe(uentry_rawName (u) ) );
	  }

      }
      break;

    case INTLITERAL:
      fprintf (f, "%d\n", t->value.intlit);
      break;

    default:
      BADEXIT;
    }

}


/*@only@*/ constraintTerm constraintTerm_undump ( FILE *f)
{
  constraintTermType kind;
  constraintTerm ret;

  uentry ue;

  char * str;
  char * os;

  str = mstring_create (MAX_DUMP_LINE_LENGTH);
  os = str;
  str = fgets(os, MAX_DUMP_LINE_LENGTH, f);

  kind = (constraintTermType) reader_getInt(&str);
  str = fgets(os, MAX_DUMP_LINE_LENGTH, f);

  switch (kind)
    {

    case SREF:
      {
	sRef s;
	char * term;
	term = reader_getWord(&str);

	if (strcmp (term, "Result") == 0 )
	  {
	    s = sRef_makeResult();
	  }
	else if (strcmp (term, "Param" ) == 0 )
	  {
	    int param;
	    char *str2, *ostr2;

	    ctype t;

	    reader_checkChar(&str, ' ');
	    str2  = reader_getWord(&str);
	    param = reader_getInt(&str);

	    ostr2 = str2;
	    t = ctype_undump(&str2) ;
	    s = sRef_makeParam (param, t );
	    free (ostr2);
	  }
	else  //This must be an identified that we can search for
	  // in usymTab
	  {
	    cstring termStr = cstring_makeLiteralTemp(term);

	    ue = usymtab_lookup (termStr);
	    s = uentry_getSref(ue);
	  }

	ret = constraintTerm_makesRef(s);

	free(term);
      }
      break;

    case EXPRNODE:
      {
	sRef s;
	char * term;
	cstring termStr;

	term = reader_getWord(&str);
	//This must be an identifier that we can search for
	  // in usymTab
	termStr = cstring_makeLiteralTemp(term);

	ue = usymtab_lookup (termStr);
	s = uentry_getSref(ue);
	ret = constraintTerm_makesRef(s);

	free (term);
      }
      break;


    case INTLITERAL:
      {
	int i;

	i = reader_getInt(&str);
	ret = constraintTerm_makeIntLiteral (i);
      }
      break;

    default:
      BADEXIT;
    }
  free (os);

  return ret;
}
Commit	Line	Data
	1	/*
	2	** constraintExpr.c
	3	*/
	4
	5	//#define DEBUGPRINT 1
	6
	7	# include <ctype.h> /* for isdigit */
	8	# include "lclintMacros.nf"
	9	# include "basic.h"
	10	# include "cgrammar.h"
	11	# include "cgrammar_tokens.h"
	12
	13	# include "exprChecks.h"
	14	# include "exprNodeSList.h"
	15
	16	/@-czechfcns@/
	17
	18	//#include "constraintExpr.h"
	19
	20	/@access exprNode @/
	21
	22	bool constraintTerm_isDefined (constraintTerm t)
	23	{
	24	return t != NULL;
	25	}
	26
	27	/@unused@/ static bool constraintTerm_same (constraintTerm p_term1, constraintTerm p_term2) ;
	28
	29	void constraintTerm_free (/@only@/ constraintTerm term)
	30	{
	31	llassert (constraintTerm_isDefined (term));
	32
	33	fileloc_free (term->loc);
	34
	35	switch (term->kind)
	36	{
	37	case EXPRNODE:
	38	/* we don't free an exprNode*/
	39	break;
	40	case SREF:
	41	/* sref */
	42	sRef_free (term->value.sref);
	43	break;
	44	case INTLITERAL:
	45	/* don't free an int */
	46	break;
	47	case ERRORBADCONSTRAINTTERMTYPE:
	48	default:
	49	/* type was set incorrectly */
	50	llcontbug (message("constraintTerm_free type was set incorrectly"));
	51	}
	52	// term->value.intlit = 0;
	53	term->kind = ERRORBADCONSTRAINTTERMTYPE;
	54	free (term);
	55	}
	56
	57	/@only@/ static/@out@/ constraintTerm new_constraintTermExpr (void)
	58	{
	59	constraintTerm ret;
	60	ret = dmalloc (sizeof (* ret ) );
	61	ret->value.intlit = 0;
	62	return ret;
	63	}
	64
	65
	66	bool constraintTerm_isIntLiteral (constraintTerm term)
	67	{
	68	llassert(term != NULL);
	69
	70	if (term->kind == INTLITERAL)
	71	return TRUE;
	72
	73	return FALSE;
	74	}
	75
	76	bool constraintTerm_isStringLiteral (constraintTerm c) /@/
	77	{
	78	llassert (c != NULL);
	79	if (c->kind == EXPRNODE)
	80	{
	81	if (exprNode_knownStringValue(c->value.expr) )
	82	{
	83	return TRUE;
	84	}
	85	}
	86	return FALSE;
	87	}
	88
	89	cstring constraintTerm_getStringLiteral (constraintTerm c)
	90	{
	91	llassert (c != NULL);
	92	llassert (constraintTerm_isStringLiteral (c) );
	93	llassert (c->kind == EXPRNODE);
	94
	95	return (cstring_copy ( multiVal_forceString (exprNode_getValue (c->value.expr) ) ) );
	96	}
	97
	98	constraintTerm constraintTerm_simplify (/@returned@/ constraintTerm term) /@modifies term@/
	99	{
	100	if (term->kind == EXPRNODE)
	101	{
	102	if ( exprNode_knownIntValue (term->value.expr ) )
	103	{
	104	long int temp;
	105
	106	temp = exprNode_getLongValue (term->value.expr);
	107	term->value.intlit = (int)temp;
	108	term->kind = INTLITERAL;
	109	}
	110	}
	111	return term;
	112	}
	113
	114	fileloc constraintTerm_getFileloc (constraintTerm t)
	115	{
	116	llassert (constraintTerm_isDefined (t));
	117	return (fileloc_copy (t->loc) );
	118	}
	119
	120	constraintTermType constraintTerm_getKind (constraintTerm t)
	121	{
	122	llassert (constraintTerm_isDefined(t) );
	123
	124	return (t->kind);
	125	}
	126
	127	/@exposed@/ sRef constraintTerm_getSRef (constraintTerm t)
	128	{
	129	llassert (constraintTerm_isDefined(t) );
	130	llassert (t->kind == SREF);
	131
	132	return (t->value.sref);
	133	}
	134
	135	/@only@/ constraintTerm constraintTerm_makeExprNode (/@depenedent@/ exprNode e)
	136	{
	137	constraintTerm ret = new_constraintTermExpr();
	138	ret->loc = fileloc_copy(exprNode_getfileloc(e));
	139	ret->value.expr = e;
	140	ret->kind = EXPRNODE;
	141	ret = constraintTerm_simplify(ret);
	142	return ret;
	143	}
	144
	145	/@only@/ constraintTerm constraintTerm_makesRef (/@temp@/ /@observer@/ sRef s)
	146	{
	147	constraintTerm ret = new_constraintTermExpr();
	148	ret->loc = fileloc_undefined;
	149	ret->value.sref = sRef_saveCopy(s);
	150	ret->kind = SREF;
	151	ret = constraintTerm_simplify(ret);
	152	return ret;
	153	}
	154
	155
	156
	157	constraintTerm constraintTerm_copy (constraintTerm term)
	158	{
	159	constraintTerm ret;
	160	ret = new_constraintTermExpr();
	161	ret->loc = fileloc_copy (term->loc);
	162
	163	switch (term->kind)
	164	{
	165	case EXPRNODE:
	166	ret->value.expr = term->value.expr;
	167	break;
	168	case INTLITERAL:
	169	ret->value.intlit = term->value.intlit;
	170	break;
	171
	172	case SREF:
	173	ret->value.sref = sRef_saveCopy(term->value.sref);
	174	break;
	175	default:
	176	BADEXIT;
	177	}
	178	ret->kind = term->kind;
	179	return ret;
	180	}
	181
	182	constraintTerm constraintTerm_setFileloc (/@returned@/ constraintTerm term, fileloc loc)
	183	{
	184	llassert(term != NULL);
	185
	186	if ( fileloc_isDefined( term->loc ) )
	187	fileloc_free(term->loc);
	188
	189	term->loc = fileloc_copy(loc);
	190	return term;
	191	}
	192
	193
	194	static cstring constraintTerm_getName (constraintTerm term)
	195	{
	196	cstring s;
	197	s = cstring_undefined;
	198
	199	llassert (term != NULL);
	200
	201	switch (term->kind)
	202	{
	203	case EXPRNODE:
	204	/@i334/ //wtf
	205	s = message ("%s", exprNode_unparse (term->value.expr) );
	206	break;
	207	case INTLITERAL:
	208	s = message (" %d ", term->value.intlit);
	209	break;
	210
	211	case SREF:
	212	s = message ("%q", sRef_unparse (term->value.sref) );
	213
	214	break;
	215	default:
	216	BADEXIT;
	217	/@notreached@/
	218	break;
	219	}
	220
	221	return s;
	222	}
	223
	224	constraintTerm
	225	constraintTerm_doSRefFixBaseParam (/@returned@/constraintTerm term, exprNodeList arglist) /@modifies term@/
	226	{
	227	llassert (term != NULL);
	228
	229	switch (term->kind)
	230	{
	231	case EXPRNODE:
	232	/@i334/ //wtf
	233	// s = message ("%s @ %s ", exprNode_unparse (term->value.expr),
	234	// fileloc_unparse (term->loc) );
	235	break;
	236	case INTLITERAL:
	237	// s = message (" %d ", term->value.intlit);
	238	break;
	239
	240	case SREF:
	241	term->value.sref = sRef_fixBaseParam (term->value.sref, arglist);
	242	// s = message ("%s ", sRef_unparse (term->value.sref) );
	243
	244	break;
	245	default:
	246	BADEXIT;
	247	}
	248	return term;
	249
	250	}
	251
	252	cstring constraintTerm_print (constraintTerm term) /@/
	253	{
	254	cstring s;
	255	s = cstring_undefined;
	256
	257	llassert (term != NULL);
	258
	259	switch (term->kind)
	260	{
	261	case EXPRNODE:
	262	/@i334/ //wtf
	263	s = message ("%s @ %q ", exprNode_unparse (term->value.expr),
	264	fileloc_unparse (term->loc) );
	265	break;
	266	case INTLITERAL:
	267	s = message (" %d ", term->value.intlit);
	268	break;
	269
	270	case SREF:
	271	s = message ("%q ", sRef_unparseDebug (term->value.sref) );
	272
	273	break;
	274	default:
	275	BADEXIT;
	276	}
	277
	278	return s;
	279	}
	280
	281
	282	constraintTerm constraintTerm_makeIntLiteral (int i)
	283	{
	284	constraintTerm ret = new_constraintTermExpr();
	285	ret->value.intlit = i;
	286	ret->kind = INTLITERAL;
	287	ret->loc = fileloc_undefined;
	288	return ret;
	289	}
	290
	291	bool constraintTerm_canGetValue (constraintTerm term)
	292	{
	293	if (term->kind == INTLITERAL)
	294	return TRUE;
	295	else
	296	return FALSE;
	297	}
	298
	299	int constraintTerm_getValue (constraintTerm term)
	300	{
	301	llassert (term->kind == INTLITERAL);
	302	return term->value.intlit;
	303	}
	304
	305	/* same and similar are similar but not the same*/
	306	static bool constraintTerm_same (constraintTerm term1, constraintTerm term2)
	307	{
	308	llassert (term1 !=NULL && term2 !=NULL);
	309
	310	if ( (term1->kind != term2->kind) \|\| (term1->kind != EXPRNODE) )
	311	{
	312	return FALSE;
	313	}
	314
	315	DPRINTF ( (message
	316	("Comparing srefs for %s and %s ", constraintTerm_print(term1), constraintTerm_print(term2)
	317	)
	318	)
	319	);
	320
	321	if (sRef_same (term1->value.expr->sref, term2->value.expr->sref) )
	322	{
	323	DPRINTF ((message (" %s and %s are same", constraintTerm_print(term1), constraintTerm_print(term2) ) ));
	324	return TRUE;
	325	}
	326	else
	327	{
	328	DPRINTF ((message (" %s and %s are not same", constraintTerm_print(term1), constraintTerm_print(term2) ) ));
	329	return FALSE;
	330	}
	331
	332	}
	333
	334	static /@exposed@/ sRef constraintTerm_getsRef (constraintTerm t)
	335	{
	336	llassert (t != NULL);
	337	if (t->kind == EXPRNODE)
	338	{
	339	return exprNode_getSref(t->value.expr);
	340	}
	341
	342	if (t->kind == SREF)
	343	{
	344	return t->value.sref;
	345	}
	346
	347	return sRef_undefined;
	348	}
	349
	350	bool constraintTerm_probSame (constraintTerm term1, constraintTerm term2)
	351	{
	352	cstring s1, s2;
	353
	354	llassert (term1 !=NULL && term2 !=NULL);
	355
	356	DPRINTF ( (message
	357	("Comparing srefs for %s and %s ", constraintTerm_print(term1), constraintTerm_print(term2)
	358	)
	359	)
	360	);
	361
	362	s1 = constraintTerm_getName (term1);
	363	s2 = constraintTerm_getName (term2);
	364
	365	if (cstring_equal (s1, s2) )
	366	{
	367	DPRINTF ((message (" %q and %q are same", s1, s2 ) ) );
	368	return TRUE;
	369	}
	370	else
	371	{
	372	DPRINTF ((message (" %q and %q are not same", s1, s2 ) ) );
	373	return FALSE;
	374	}
	375	}
	376
	377	bool constraintTerm_similar (constraintTerm term1, constraintTerm term2)
	378	{
	379	sRef s1, s2;
	380
	381	llassert (term1 !=NULL && term2 !=NULL);
	382
	383	if ( (term1->kind == INTLITERAL) && (term2->kind == INTLITERAL) )
	384	{
	385	int t1, t2;
	386	llassert (constraintTerm_canGetValue(term1) );
	387	t1 = constraintTerm_getValue (term1);
	388
	389	llassert (constraintTerm_canGetValue(term2) );
	390	t2 = constraintTerm_getValue (term2);
	391	if (t1 == t2)
	392	return TRUE;
	393
	394	return FALSE;
	395	}
	396
	397	s1 = constraintTerm_getsRef (term1);
	398	s2 = constraintTerm_getsRef (term2);
	399
	400	if ( ! (sRef_isValid(s1) && sRef_isValid(s2) ) )
	401	{
	402	return FALSE;
	403	}
	404
	405	DPRINTF( (message
	406	("Comparing srefs for %s and %s ", constraintTerm_print(term1), constraintTerm_print(term2)
	407	)
	408	)
	409	);
	410
	411	if (sRef_similarRelaxed(s1, s2) \|\| sRef_sameName (s1, s2) )
	412	{
	413	DPRINTF ((message (" %s and %s are same", constraintTerm_print(term1), constraintTerm_print(term2) ) ));
	414	return TRUE;
	415	}
	416	else
	417	{
	418	DPRINTF ((message (" %s and %s are not same", constraintTerm_print(term1), constraintTerm_print(term2) ) ));
	419	return FALSE;
	420	}
	421
	422	}
	423
	424	void constraintTerm_dump ( /@observer@/ constraintTerm t, FILE *f)
	425	{
	426	fileloc loc;
	427	constraintTermValue value;
	428	constraintTermType kind;
	429	uentry u;
	430
	431	loc = t->loc;
	432
	433	value = t->value;
	434
	435	kind = t->kind;
	436
	437	fprintf(f, "%d\n", (int) kind);
	438
	439	switch (kind)
	440	{
	441
	442	case EXPRNODE:
	443	u = exprNode_getUentry(t->value.expr);
	444	fprintf(f, "%s\n", cstring_toCharsSafe( uentry_rawName (u) )
	445	);
	446	break;
	447
	448	case SREF:
	449	{
	450	sRef s;
	451
	452	s = t->value.sref;
	453
	454	if (sRef_isResult (s ) )
	455	{
	456	fprintf(f, "Result\n");
	457	}
	458	else if (sRef_isParam (s ) )
	459	{
	460	int param;
	461	ctype ct;
	462	cstring ctString;
	463
	464
	465	ct = sRef_getType (s);
	466	param = sRef_getParam(s);
	467
	468	ctString = ctype_dump(ct);
	469
	470	fprintf(f, "Param %s %d\n", cstring_toCharsSafe(ctString), (int) param );
	471	cstring_free(ctString);
	472	}
	473	else
	474	{
	475	u = sRef_getUentry(s);
	476	fprintf(f, "%s\n", cstring_toCharsSafe(uentry_rawName (u) ) );
	477	}
	478
	479	}
	480	break;
	481
	482	case INTLITERAL:
	483	fprintf (f, "%d\n", t->value.intlit);
	484	break;
	485
	486	default:
	487	BADEXIT;
	488	}
	489
	490	}
	491
	492
	493	/@only@/ constraintTerm constraintTerm_undump ( FILE *f)
	494	{
	495	constraintTermType kind;
	496	constraintTerm ret;
	497
	498	uentry ue;
	499
	500	char * str;
	501	char * os;
	502
	503	str = mstring_create (MAX_DUMP_LINE_LENGTH);
	504	os = str;
	505	str = fgets(os, MAX_DUMP_LINE_LENGTH, f);
	506
	507	kind = (constraintTermType) reader_getInt(&str);
	508	str = fgets(os, MAX_DUMP_LINE_LENGTH, f);
	509
	510	switch (kind)
	511	{
	512
	513	case SREF:
	514	{
	515	sRef s;
	516	char * term;
	517	term = reader_getWord(&str);
	518
	519	if (strcmp (term, "Result") == 0 )
	520	{
	521	s = sRef_makeResult();
	522	}
	523	else if (strcmp (term, "Param" ) == 0 )
	524	{
	525	int param;
	526	char str2, ostr2;
	527
	528	ctype t;
	529
	530	reader_checkChar(&str, ' ');
	531	str2 = reader_getWord(&str);
	532	param = reader_getInt(&str);
	533
	534	ostr2 = str2;
	535	t = ctype_undump(&str2) ;
	536	s = sRef_makeParam (param, t );
	537	free (ostr2);
	538	}
	539	else //This must be an identified that we can search for
	540	// in usymTab
	541	{
	542	cstring termStr = cstring_makeLiteralTemp(term);
	543
	544	ue = usymtab_lookup (termStr);
	545	s = uentry_getSref(ue);
	546	}
	547
	548	ret = constraintTerm_makesRef(s);
	549
	550	free(term);
	551	}
	552	break;
	553
	554	case EXPRNODE:
	555	{
	556	sRef s;
	557	char * term;
	558	cstring termStr;
	559
	560	term = reader_getWord(&str);
	561	//This must be an identifier that we can search for
	562	// in usymTab
	563	termStr = cstring_makeLiteralTemp(term);
	564
	565	ue = usymtab_lookup (termStr);
	566	s = uentry_getSref(ue);
	567	ret = constraintTerm_makesRef(s);
	568
	569	free (term);
	570	}
	571	break;
	572
	573
	574	case INTLITERAL:
	575	{
	576	int i;
	577
	578	i = reader_getInt(&str);
	579	ret = constraintTerm_makeIntLiteral (i);
	580	}
	581	break;
	582
	583	default:
	584	BADEXIT;
	585	}
	586	free (os);
	587
	588	return ret;
	589	}
	590
	591
	592
	593