*** empty log message ***

[deliverable/binutils-gdb.git] / gdb / parse.c

diff --git a/gdb/parse.c b/gdb/parse.c
index f405dc5c9eb14669d95194eefd81027545551e61..79b2e21a0f63e690c2d32e784d33a672c52a0292 100644 (file)
--- a/gdb/parse.c
+++ b/gdb/parse.c
@@ -113,8 +113,6 @@ show_parserdebug (struct ui_file *file, int from_tty,
 
 static void free_funcalls (void *ignore);
 
-static int prefixify_expression (struct expression *);
-
 static int prefixify_subexp (struct expression *, struct expression *, int,
                             int);
 
@@ -182,6 +180,35 @@ free_funcalls (void *ignore)
 /* This page contains the functions for adding data to the struct expression
    being constructed.  */
 
+/* See definition in parser-defs.h.  */
+
+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;
+}
+
+/* See definition in parser-defs.h.  */
+
+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
@@ -769,14 +796,10 @@ copy_name (struct stoken token)
   return namecopy;
 }
 \f
-/* Reverse an expression from suffix form (in which it is constructed)
-   to prefix form (in which we can conveniently print or execute it).
-   Ordinarily this always returns -1.  However, if EXPOUT_LAST_STRUCT
-   is not -1 (i.e., we are trying to complete a field name), it will
-   return the index of the subexpression which is the left-hand-side
-   of the struct operation at EXPOUT_LAST_STRUCT.  */
 
-static int
+/* See comments on parser-defs.h.  */
+
+int
 prefixify_expression (struct expression *expr)
 {
   int len = sizeof (struct expression) + EXP_ELEM_TO_BYTES (expr->nelts);
@@ -1156,12 +1179,7 @@ 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 +1197,7 @@ 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.  */