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* eval.c (evaluate_subexp_standard): Fix thinko in handling

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UNOP_MEMVAL_TYPE.
	* expprint.c (print_subexp_standard, case OP_TYPE): New.
	(print_subexp_standard, case UNOP_CAST_TYPE): Don't increment pos.
	(print_subexp_standard, case UNOP_DYNAMIC_CAST): Ditto.
	(print_subexp_standard, case UNOP_REINTERPRET_CAST): Ditto.
	(print_subexp_standard, case UNOP_MEMVAL_TYPE): Ditto.
	(dump_subexp_body_standard, case UNOP_DYNAMIC_CAST): Don't increment
	elt.
	(dump_subexp_body_standard, case UNOP_REINTERPRET_CAST): Ditto.
	(dump_subexp_body_standard, case UNOP_CAST_TYPE): Ditto.
	(dump_subexp_body_standard, case UNOP_MEMVAL_TYPE): Ditto.
	(dump_prefix_expression): Handle OP_TYPE.

	testsuite/
	* gdb.base/debug-expr.c: New file.
	* gdb.base/debug-expr.exp: New file.
	* gdb.base/exprs.exp: Test {type} casts.
	* gdb.cp/debug-expr.exp: New file.
This commit is contained in:
Doug Evans
2012-08-08 21:17:04 +00:00
parent 2acf2b3959
commit 4f485ebc90
8 changed files with 137 additions and 11 deletions
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14
gdb/expprint.c
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@@ -83,6 +83,11 @@ print_subexp_standard (struct expression *exp, int *pos,
{
/* Common ops */
case OP_TYPE:
(*pos) += 2;
type_print (exp->elts[pc + 1].type, "", stream, 0);
return;
case OP_SCOPE:
myprec = PREC_PREFIX;
assoc = 0;
@@ -430,7 +435,6 @@ print_subexp_standard (struct expression *exp, int *pos,
return;
case UNOP_CAST_TYPE:
(*pos) += 1;
if ((int) prec > (int) PREC_PREFIX)
fputs_filtered ("(", stream);
fputs_filtered ("(", stream);
@@ -446,7 +450,6 @@ print_subexp_standard (struct expression *exp, int *pos,
fputs_filtered (opcode == UNOP_DYNAMIC_CAST ? "dynamic_cast"
: "reinterpret_cast", stream);
fputs_filtered ("<", stream);
(*pos) += 1;
print_subexp (exp, pos, stream, PREC_PREFIX);
fputs_filtered ("> (", stream);
print_subexp (exp, pos, stream, PREC_PREFIX);
@@ -484,7 +487,6 @@ print_subexp_standard (struct expression *exp, int *pos,
return;
case UNOP_MEMVAL_TYPE:
(*pos) += 1;
if ((int) prec > (int) PREC_PREFIX)
fputs_filtered ("(", stream);
fputs_filtered ("{", stream);
@@ -938,7 +940,6 @@ dump_subexp_body_standard (struct expression *exp,
case UNOP_REINTERPRET_CAST:
case UNOP_CAST_TYPE:
case UNOP_MEMVAL_TYPE:
++elt;
fprintf_filtered (stream, " (");
elt = dump_subexp (exp, stream, elt);
fprintf_filtered (stream, ")");
@@ -1056,10 +1057,7 @@ dump_prefix_expression (struct expression *exp, struct ui_file *stream)
fprintf_filtered (stream, "Dump of expression @ ");
gdb_print_host_address (exp, stream);
fputs_filtered (", after conversion to prefix form:\nExpression: `", stream);
if (exp->elts[0].opcode != OP_TYPE)
print_expression (exp, stream);
else
fputs_filtered ("Type printing not yet supported....", stream);
print_expression (exp, stream);
fprintf_filtered (stream, "'\n\tLanguage %s, %d elements, %ld bytes each.\n",
exp->language_defn->la_name, exp->nelts,
(long) sizeof (union exp_element));