some improvements to the debugging macros

.gdbinit

@@ -35,7 +35,7 @@ document dump_bt
 end
 
 define printzv
-	set $ind = 0
+	set $ind = 1
 	____printzv $arg0 0 
 end
 
@@ -43,61 +43,56 @@ document printzv
 	prints content of zval 
 end
 
-define ____printzv
+define ____printzv_contents
 	____executor_globals
 	set $zvalue = $arg0
 
-	if $zvalue->type == 0
+	if $zvalue.type == 0
 		set $typename = "NULL"
 	end
-	if $zvalue->type == 1
+	if $zvalue.type == 1
 		set $typename = "long"
 	end
-	if $zvalue->type == 2
+	if $zvalue.type == 2
 		set $typename = "double"
 	end
-	if $zvalue->type == 3
+	if $zvalue.type == 3
 		set $typename = "string"
 	end
-	if $zvalue->type == 4
+	if $zvalue.type == 4
 		set $typename = "array"
 	end
-	if $zvalue->type == 5
+	if $zvalue.type == 5
 		set $typename = "object"
 	end
-	if $zvalue->type == 6
+	if $zvalue.type == 6
 		set $typename = "bool"
 	end
-	if $zvalue->type == 7
+	if $zvalue.type == 7
 		set $typename = "resource"
 	end
-	if $zvalue->type == 8 
+	if $zvalue.type == 8 
 		set $typename = "constant"
 	end
-	if $zvalue->type == 9
+	if $zvalue.type == 9
 		set $typename = "const_array"
 	end
 
-	printf "[0x%08x] ", $zvalue
-
-	if $zvalue == $eg.uninitialized_zval_ptr
-		printf "*uninitialized* "
-	end
-	printf "(refcount=%d) %s: ", $zvalue->refcount, $typename
-	if $zvalue->type == 1
-		printf "%ld", $zvalue->value.lval
+	printf "(refcount=%d) %s: ", $zvalue.refcount, $typename
+	if $zvalue.type == 1
+		printf "%ld", $zvalue.value.lval
 	end
 	if $zvalue->type == 2
-		printf "%lf", $zvalue->value.dval
+		printf "%lf", $zvalue.value.dval
 	end
-	if $zvalue->type == 3
-		printf "\"%s\"(%d)", $zvalue->value.str.val, $zvalue->value.str.len
+	if $zvalue.type == 3
+		printf "\"%s\"(%d)", $zvalue.value.str.val, $zvalue.value.str.len
 	end
-	if $zvalue->type == 4
+	if $zvalue.type == 4
 		if ! $arg1
 			printf "{\n"
 			set $ind = $ind + 1
-			____print_ht $zvalue->value.ht
+			____print_ht $zvalue.value.ht
 			set $ind = $ind - 1
 			set $i = $ind
 			while $i > 0
@@ -107,10 +102,10 @@ define ____printzv
 			printf "}"
 		end
 	end
-	if $zvalue->type == 5
+	if $zvalue.type == 5
 		if ! $arg1
 			printf "(prop examination disabled due to a gdb bug)"
-			if $zvalue->value.obj.handlers->get_properties
+			if $zvalue.value.obj.handlers->get_properties
 #				set $ht = $zvalue->value.obj.handlers->get_properties($zvalue)
 #				printf "{\n"
 #				set $ind = $ind + 1
@@ -125,19 +120,68 @@ define ____printzv
 			end
 		end
 	end
-	if $zvalue->type == 6
-		if $zvalue->lval
+	if $zvalue.type == 6
+		if $zvalue.value.lval
 			printf "true"
 		else
 			printf "false"
 		end
 	end
-	if $zvalue->type == 7
-		printf "#%d", $zvalue->value.lval
+	if $zvalue.type == 7
+		printf "#%d", $zvalue.value.lval
 	end
 	printf "\n"
 end
 
+define ____printzv
+	____executor_globals
+	set $zvalue = $arg0
+
+	printf "[0x%08x] ", $zvalue
+
+	if $zvalue == $eg.uninitialized_zval_ptr
+		printf "*uninitialized* "
+	end
+
+	set $zcontents = *(zval *) $zcontents
+	if $arg1
+		____printzv_contents $zcontents $arg1
+	else
+		____printzv_contents $zcontents
+	end
+end
+
+define ____print_const_table
+	set $ht = $arg0
+	set $p = $ht->pListHead
+
+	while $p != 0
+		set $const = *(zend_constant *) $p->pData
+
+		set $i = $ind
+		while $i > 0
+			printf "  "
+			set $i = $i - 1
+		end
+
+		if $p->nKeyLength > 0 
+			printf "\"%s\" => ", $p->arKey
+		else
+			printf "%d => ", $p->h
+		end
+
+		____printzv_contents $const.value 0
+		set $p = $p->pListNext
+	end
+end
+
+define print_const_table
+	set $ind = 1
+	printf "[0x%08x] {\n", $arg0
+	____print_const_table $arg0
+	printf "}\n"
+end
+
 define ____print_ht
 	set $ht = $arg0
 	set $p = $ht->pListHead