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* parser-defs.h (type_stack, type_stack_size, type_stack_depth):

Browse Source 
Remove.
	(struct type_stack): New.
	* parse.c (type_stack, type_stack_size, type_stack_depth):
	Remove.
	(type_stack): New global.
	(parse_exp_in_context, check_type_stack_depth)
	(insert_into_type_stack, insert_type, push_type, push_type_int)
	(insert_type_address_space, pop_type, pop_type_int)
	(_initialize_parse): Update.
This commit is contained in:
Tom Tromey 2012-07-06 14:42:09 +00:00
parent 16d0138401
commit 1a7d0ce4eb
3 changed files with 49 additions and 26 deletions
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13
gdb/ChangeLog
View File

@ -1,3 +1,16 @@
2012-07-06 Tom Tromey <tromey@redhat.com>
* parser-defs.h (type_stack, type_stack_size, type_stack_depth):
Remove.
(struct type_stack): New.
* parse.c (type_stack, type_stack_size, type_stack_depth):
Remove.
(type_stack): New global.
(parse_exp_in_context, check_type_stack_depth)
(insert_into_type_stack, insert_type, push_type, push_type_int)
(insert_type_address_space, pop_type, pop_type_int)
(_initialize_parse): Update.
2012-07-06 Tom Tromey <tromey@redhat.com>
* c-exp.y (func_mod, direct_abs_decl, abs_decl, ptr_operator):

48
gdb/parse.c
View File

@ -75,8 +75,7 @@ struct block *expression_context_block;
CORE_ADDR expression_context_pc;
struct block *innermost_block;
int arglist_len;
union type_stack_elt *type_stack;
int type_stack_depth, type_stack_size;
static struct type_stack type_stack;
char *lexptr;
char *prev_lexptr;
int paren_depth;
@ -1123,7 +1122,7 @@ parse_exp_in_context (char **stringptr, CORE_ADDR pc, struct block *block,
prev_lexptr = NULL;
paren_depth = 0;
type_stack_depth = 0;
type_stack.depth = 0;
expout_last_struct = -1;
comma_terminates = comma;
@ -1362,11 +1361,12 @@ parse_c_float (struct gdbarch *gdbarch, const char *p, int len,
static void
check_type_stack_depth (void)
{
if (type_stack_depth == type_stack_size)
if (type_stack.depth == type_stack.size)
{
type_stack_size *= 2;
type_stack = (union type_stack_elt *)
xrealloc ((char *) type_stack, type_stack_size * sizeof (*type_stack));
type_stack.size *= 2;
type_stack.elements
= xrealloc (type_stack.elements,
type_stack.size * sizeof (union type_stack_elt));
}
}
@ -1379,11 +1379,11 @@ insert_into_type_stack (int slot, union type_stack_elt element)
{
check_type_stack_depth ();
if (slot < type_stack_depth)
memmove (&type_stack[slot + 1], &type_stack[slot],
(type_stack_depth - slot) * sizeof (union type_stack_elt));
type_stack[slot] = element;
++type_stack_depth;
if (slot < type_stack.depth)
memmove (&type_stack.elements[slot + 1], &type_stack.elements[slot],
(type_stack.depth - slot) * sizeof (union type_stack_elt));
type_stack.elements[slot] = element;
++type_stack.depth;
}
/* Insert a new type, TP, at the bottom of the type stack. If TP is
@ -1404,7 +1404,7 @@ insert_type (enum type_pieces tp)
/* If there is anything on the stack (we know it will be a
tp_pointer), insert the qualifier above it. Otherwise, simply
push this on the top of the stack. */
if (type_stack_depth && (tp == tp_const || tp == tp_volatile))
if (type_stack.depth && (tp == tp_const || tp == tp_volatile))
slot = 1;
else
slot = 0;
@ -1417,14 +1417,14 @@ void
push_type (enum type_pieces tp)
{
check_type_stack_depth ();
type_stack[type_stack_depth++].piece = tp;
type_stack.elements[type_stack.depth++].piece = tp;
}
void
push_type_int (int n)
{
check_type_stack_depth ();
type_stack[type_stack_depth++].int_val = n;
type_stack.elements[type_stack.depth++].int_val = n;
}
/* Insert a tp_space_identifier and the corresponding address space
@ -1444,7 +1444,7 @@ insert_type_address_space (char *string)
/* If there is anything on the stack (we know it will be a
tp_pointer), insert the address space qualifier above it.
Otherwise, simply push this on the top of the stack. */
if (type_stack_depth)
if (type_stack.depth)
slot = 1;
else
slot = 0;
@ -1458,16 +1458,16 @@ insert_type_address_space (char *string)
enum type_pieces
pop_type (void)
{
if (type_stack_depth)
return type_stack[--type_stack_depth].piece;
if (type_stack.depth)
return type_stack.elements[--type_stack.depth].piece;
return tp_end;
}
int
pop_type_int (void)
{
if (type_stack_depth)
return type_stack[--type_stack_depth].int_val;
if (type_stack.depth)
return type_stack.elements[--type_stack.depth].int_val;
/* "Can't happen". */
return 0;
}
@ -1725,10 +1725,10 @@ exp_uses_objfile (struct expression *exp, struct objfile *objfile)
void
_initialize_parse (void)
{
type_stack_size = 80;
type_stack_depth = 0;
type_stack = (union type_stack_elt *)
xmalloc (type_stack_size * sizeof (*type_stack));
type_stack.size = 80;
type_stack.depth = 0;
type_stack.elements = xmalloc (type_stack.size
* sizeof (union type_stack_elt));
add_setshow_zinteger_cmd ("expression", class_maintenance,
&expressiondebug,

14
gdb/parser-defs.h
View File

@ -127,8 +127,18 @@ union type_stack_elt
enum type_pieces piece;
int int_val;
};
extern union type_stack_elt *type_stack;
extern int type_stack_depth, type_stack_size;
/* The type stack is an instance of this structure. */
struct type_stack
{
/* Elements on the stack. */
union type_stack_elt *elements;
/* Current stack depth. */
int depth;
/* Allocated size of stack. */
int size;
};
/* Helper function to initialize the expout, expout_size, expout_ptr
trio before it is used to store expression elements created during