From: epetrich <epetrich@4a8a32a2-be11-0410-ad9d-d568d2c75423>
Date: Sun, 19 Oct 2003 04:39:13 +0000 (+0000)
Subject: * src/SDCCicode.c (geniCodePreInc, geniCodePreDec, ast2iCode):
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=97faf59930af27354b4434fb57dbd922ae746fdf;p=fw%2Fsdcc

* src/SDCCicode.c (geniCodePreInc, geniCodePreDec, ast2iCode):
Fixed bug #818696
* src/SDCCast.c (ast_print): Fixed --dumptree so that preincrement
and predecrement operand is displayed


git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@2954 4a8a32a2-be11-0410-ad9d-d568d2c75423
---

diff --git a/ChangeLog b/ChangeLog
index fd4ce637..b242f43f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2003-10-19 Erik Petrich <epetrich@ivorytower.norman.ok.us>
+
+	* src/SDCCicode.c (geniCodePreInc, geniCodePreDec, ast2iCode):
+	Fixed bug #818696
+	* src/SDCCast.c (ast_print): Fixed --dumptree so that preincrement
+	and predecrement operand is displayed
+
 2003-10-13 Bernhard Held <bernhard@bernhardheld.de>
 
 	* src/SDCCval.c (valMinus): fixed bug #826041
diff --git a/src/SDCCast.c b/src/SDCCast.c
index f1cc4b78..0c160a1b 100644
--- a/src/SDCCast.c
+++ b/src/SDCCast.c
@@ -1596,7 +1596,7 @@ isConformingBody (ast * pbody, symbol * sym, ast * body)
       return TRUE;
 
 /*------------------------------------------------------------------*/
-    case INC_OP:		/* incerement operator unary so left only */
+    case INC_OP:
     case DEC_OP:
 
       /* sure we are not sym is not modified */
@@ -2221,7 +2221,7 @@ decorateType (ast * tree)
       /*----------------------------*/
       /*  ++/-- operation           */
       /*----------------------------*/
-    case INC_OP:		/* increment operator unary so left only */
+    case INC_OP:
     case DEC_OP:
       {
 	sym_link *ltc = (tree->right ? RTYPE (tree) : LTYPE (tree));
@@ -4985,18 +4985,28 @@ void ast_print (ast * tree, FILE *outfile, int indent)
 		/*----------------------------*/
 		/*  ++/-- operation           */
 		/*----------------------------*/
-	case INC_OP:		/* incerement operator unary so left only */
+	case INC_OP:
+        	if (tree->left)
+		  fprintf(outfile,"post-");
+		else
+		  fprintf(outfile,"pre-");
 		fprintf(outfile,"INC_OP (%p) type (",tree);
 		printTypeChain(tree->ftype,outfile);
 		fprintf(outfile,")\n");
-		ast_print(tree->left,outfile,indent+2);
+		ast_print(tree->left,outfile,indent+2); /* postincrement case */
+		ast_print(tree->right,outfile,indent+2); /* preincrement case */
 		return ;
 
 	case DEC_OP:
+        	if (tree->left)
+		  fprintf(outfile,"post-");
+		else
+		  fprintf(outfile,"pre-");
 		fprintf(outfile,"DEC_OP (%p) type (",tree);
 		printTypeChain(tree->ftype,outfile);
 		fprintf(outfile,")\n");
-		ast_print(tree->left,outfile,indent+2);
+		ast_print(tree->left,outfile,indent+2); /* postdecrement case */
+		ast_print(tree->right,outfile,indent+2); /* predecrement case */
 		return ;
 
 		/*------------------------------------------------------------------*/
diff --git a/src/SDCCicode.c b/src/SDCCicode.c
index eef790d2..99996df9 100644
--- a/src/SDCCicode.c
+++ b/src/SDCCicode.c
@@ -2226,7 +2226,7 @@ geniCodeArray (operand * left, operand * right,int lvl)
 {
   iCode *ic;
   sym_link *ltype = operandType (left);
-
+  
   if (IS_PTR (ltype))
     {
       if (IS_PTR (ltype->next) && left->isaddr)
@@ -2258,6 +2258,7 @@ geniCodeArray (operand * left, operand * right,int lvl)
 
   IC_RESULT (ic)->isaddr = (!IS_AGGREGATE (ltype->next));
   ADDTOCHAIN (ic);
+  
   return IC_RESULT (ic);
 }
 
@@ -2348,7 +2349,7 @@ geniCodePostInc (operand * op)
 /* geniCodePreInc - generate code for preIncrement                 */
 /*-----------------------------------------------------------------*/
 operand *
-geniCodePreInc (operand * op)
+geniCodePreInc (operand * op, bool lvalue)
 {
   iCode *ic;
   sym_link *optype = operandType (op);
@@ -2374,8 +2375,11 @@ geniCodePreInc (operand * op)
   IC_RESULT (ic) = result = newiTempOperand (roptype, 0);
   ADDTOCHAIN (ic);
 
-
-  return geniCodeAssign (op, result, 0);
+  (void) geniCodeAssign (op, result, 0);
+  if (lvalue)
+    return op;
+  else
+    return result;
 }
 
 /*-----------------------------------------------------------------*/
@@ -2428,7 +2432,7 @@ geniCodePostDec (operand * op)
 /* geniCodePreDec - generate code for pre  decrement               */
 /*-----------------------------------------------------------------*/
 operand *
-geniCodePreDec (operand * op)
+geniCodePreDec (operand * op, bool lvalue)
 {
   iCode *ic;
   sym_link *optype = operandType (op);
@@ -2454,8 +2458,11 @@ geniCodePreDec (operand * op)
   IC_RESULT (ic) = result = newiTempOperand (roptype, 0);
   ADDTOCHAIN (ic);
 
-
-  return geniCodeAssign (op, result, 0);
+  (void) geniCodeAssign (op, result, 0);
+  if (lvalue)
+    return op;
+  else
+    return result;
 }
 
 
@@ -3612,13 +3619,13 @@ ast2iCode (ast * tree,int lvl)
       if (left)
 	return geniCodePostInc (left);
       else
-	return geniCodePreInc (right);
+	return geniCodePreInc (right, tree->lvalue);
 
     case DEC_OP:		/* decrement operator */
       if (left)
 	return geniCodePostDec (left);
       else
-	return geniCodePreDec (right);
+	return geniCodePreDec (right, tree->lvalue);
 
     case '&':			/* bitwise and or address of operator */
       if (right)