* parser-defs.h (struct exp_descriptor): New definition, containing

[binutils.git] / gdb / expprint.c

diff --git a/gdb/expprint.c b/gdb/expprint.c
index 8db4c36111b0f40aece5961539e35f1800f7a915..5949475927e2590e053adec7c11ef72403497225 100644 (file)
--- a/gdb/expprint.c
+++ b/gdb/expprint.c
@@ -36,11 +36,6 @@
 #include <ctype.h>
 #endif
 
-/* Prototypes for local functions */
-
-static void print_subexp (struct expression *, int *, struct ui_file *,
-                         enum precedence);
-
 void
 print_expression (struct expression *exp, struct ui_file *stream)
 {
@@ -53,9 +48,18 @@ print_expression (struct expression *exp, struct ui_file *stream)
    if the precedence of the main operator of this subexpression is less,
    parentheses are needed here.  */
 
-static void
+void
 print_subexp (struct expression *exp, int *pos,
              struct ui_file *stream, enum precedence prec)
+{
+  exp->language_defn->la_exp_desc->print_subexp (exp, pos, stream, prec);
+}
+
+/* Standard implementation of print_subexp for use in language_defn
+   vectors.  */
+void
+print_subexp_standard (struct expression *exp, int *pos,
+                      struct ui_file *stream, enum precedence prec)
 {
   unsigned tem;
   const struct op_print *op_print_tab;
@@ -547,11 +551,22 @@ op_string (enum exp_opcode op)
 /* Support for dumping the raw data from expressions in a human readable
    form.  */
 
-static char *op_name (int opcode);
+static char *op_name (struct expression *, enum exp_opcode);
 static int dump_subexp_body (struct expression *exp, struct ui_file *, int);
 
+/* Name for OPCODE, when it appears in expression EXP. */
+
 static char *
-op_name (int opcode)
+op_name (struct expression *exp, enum exp_opcode opcode)
+{
+  return exp->language_defn->la_exp_desc->op_name (opcode);
+}
+
+/* Default name for the standard operator OPCODE (i.e., one defined in
+   the definition of enum exp_opcode).  */
+
+char *
+op_name_standard (enum exp_opcode opcode)
 {
   switch (opcode)
     {
@@ -756,7 +771,7 @@ dump_raw_expression (struct expression *exp, struct ui_file *stream,
   for (elt = 0; elt < exp->nelts; elt++)
     {
       fprintf_filtered (stream, "\t%5d  ", elt);
-      opcode_name = op_name (exp->elts[elt].opcode);
+      opcode_name = op_name (exp, exp->elts[elt].opcode);
 
       fprintf_filtered (stream, "%20s  ", opcode_name);
       print_longest (stream, 'd', 0, exp->elts[elt].longconst);
@@ -791,7 +806,7 @@ dump_subexp (struct expression *exp, struct ui_file *stream, int elt)
     fprintf_filtered (stream, " ");
   indent += 2;
 
-  fprintf_filtered (stream, "%-20s  ", op_name (exp->elts[elt].opcode));
+  fprintf_filtered (stream, "%-20s  ", op_name (exp, exp->elts[elt].opcode));
 
   elt = dump_subexp_body (exp, stream, elt);
 
@@ -806,6 +821,15 @@ dump_subexp (struct expression *exp, struct ui_file *stream, int elt)
 
 static int
 dump_subexp_body (struct expression *exp, struct ui_file *stream, int elt)
+{
+  return exp->language_defn->la_exp_desc->dump_subexp_body (exp, stream, elt);
+}
+
+/* Default value for subexp_body in exp_descriptor vector.  */
+
+int
+dump_subexp_body_standard (struct expression *exp, 
+                          struct ui_file *stream, int elt)
 {
   int opcode = exp->elts[elt++].opcode;