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* parse.c, parser-defs.h (follow_types): New function.

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* c-exp.y (ptype : typebase abs_decl): Use it.
	* c-exp.y (ptype): Add support for type qualifiers after the
	typebase.  The typebase rule already has support for them before
	the typebase.
	* Makefile.in: Change the expected number of shift/reduce
	conflicts to 6.  This is OK--the 2 new conflicts are basically the
	same as one of the old ones.
This commit is contained in:
Jim Kingdon 1993-10-18 01:10:25 +00:00
parent cf4d863151
commit f843c95fc3
3 changed files with 73 additions and 41 deletions
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47
gdb/parse.c
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@ -726,6 +726,9 @@ parse_expression (string)
error ("Junk after end of expression.");
return exp;
}
/* Stuff for maintaining a stack of types. Currently just used by C, but
probably useful for any language which declares its types "backwards". */
void
push_type (tp)
@ -770,6 +773,50 @@ pop_type_int ()
return 0;
}
/* Pop the type stack and return the type which corresponds to FOLLOW_TYPE
as modified by all the stuff on the stack. */
struct type *
follow_types (follow_type)
struct type *follow_type;
{
int done = 0;
int array_size;
struct type *range_type;
while (!done)
switch (pop_type ())
{
case tp_end:
done = 1;
break;
case tp_pointer:
follow_type = lookup_pointer_type (follow_type);
break;
case tp_reference:
follow_type = lookup_reference_type (follow_type);
break;
case tp_array:
array_size = pop_type_int ();
if (array_size != -1)
{
range_type =
create_range_type ((struct type *) NULL,
builtin_type_int, 0,
array_size - 1);
follow_type =
create_array_type ((struct type *) NULL,
follow_type, range_type);
}
else
follow_type = lookup_pointer_type (follow_type);
break;
case tp_function:
follow_type = lookup_function_type (follow_type);
break;
}
return follow_type;
}
void
_initialize_parse ()
{