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2012-01-18 Sergio Durigan Junior <sergiodj@redhat.com>

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* parse.c (initialize_expout): New function.
(reallocate_expout): Likewise.
(parse_exp_in_context): Use `initialize_expout' and
`reallocate_expout' when appropriate.
This commit is contained in:
Sergio Durigan Junior 2012-01-18 12:47:35 +00:00
parent 0695b514b3
commit 2dbca4d632
2 changed files with 44 additions and 14 deletions
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7
gdb/ChangeLog
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@ -1,3 +1,10 @@
2012-01-18 Sergio Durigan Junior <sergiodj@redhat.com>
* parse.c (initialize_expout): New function.
(reallocate_expout): Likewise.
(parse_exp_in_context): Use `initialize_expout' and
`reallocate_expout' when appropriate.
2012-01-18 Pedro Alves <palves@redhat.com>
* record.c (struct record_breakpoint, record_breakpoint_p)

51
gdb/parse.c
View File

@ -182,6 +182,41 @@ free_funcalls (void *ignore)
/* This page contains the functions for adding data to the struct expression
being constructed. */
/* Helper function to initialize the expout, expout_size, expout_ptr
trio before it is used to store expression elements created during
the parsing of an expression. INITIAL_SIZE is the initial size of
the expout array. LANG is the language used to parse the expression.
And GDBARCH is the gdbarch to use during parsing. */
static void
initialize_expout (int initial_size, const struct language_defn *lang,
struct gdbarch *gdbarch)
{
expout_size = initial_size;
expout_ptr = 0;
expout = xmalloc (sizeof (struct expression)
+ EXP_ELEM_TO_BYTES (expout_size));
expout->language_defn = lang;
expout->gdbarch = gdbarch;
}
/* Helper function that frees any unsed space in the expout array.
It is generally used when the parser has just been parsed and
created. */
static void
reallocate_expout (void)
{
/* Record the actual number of expression elements, and then
reallocate the expression memory so that we free up any
excess elements. */
expout->nelts = expout_ptr;
expout = xrealloc ((char *) expout,
sizeof (struct expression)
+ EXP_ELEM_TO_BYTES (expout_ptr));
}
/* Add one element to the end of the expression. */
/* To avoid a bug in the Sun 4 compiler, we pass things that can fit into
@ -1156,12 +1191,7 @@ parse_exp_in_context (char **stringptr, struct block *block, int comma,
else
lang = current_language;
expout_size = 10;
expout_ptr = 0;
expout = (struct expression *)
xmalloc (sizeof (struct expression) + EXP_ELEM_TO_BYTES (expout_size));
expout->language_defn = lang;
expout->gdbarch = get_current_arch ();
initialize_expout (10, lang, get_current_arch ());
TRY_CATCH (except, RETURN_MASK_ALL)
{
@ -1179,14 +1209,7 @@ parse_exp_in_context (char **stringptr, struct block *block, int comma,
discard_cleanups (old_chain);
/* Record the actual number of expression elements, and then
reallocate the expression memory so that we free up any
excess elements. */
expout->nelts = expout_ptr;
expout = (struct expression *)
xrealloc ((char *) expout,
sizeof (struct expression) + EXP_ELEM_TO_BYTES (expout_ptr));
reallocate_expout ();
/* Convert expression from postfix form as generated by yacc
parser, to a prefix form. */