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gdb: Add new parser rule for structure field names 

Introduces a new rule in c-exp.y for matching structure field names.

This is a restructure in preparation for the next commit, this commit
shouldn't result in any user visible changes.

gdb/ChangeLog:

	* c-exp.y (field_name): New %token, and new rule.
	(exp): Replace uses of 'name' with 'field_name' where appropriate.
This commit is contained in:
Andrew Burgess 2018-12-17 13:51:05 +00:00
parent b6c95c0cc5
commit 0f5d3f636a
2 changed files with 13 additions and 5 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2018-12-24 Andrew Burgess <andrew.burgess@embecosm.com>
* c-exp.y (field_name): New %token, and new rule.
(exp): Replace uses of 'name' with 'field_name' where appropriate.
2018-12-24 Andrew Burgess <andrew.burgess@embecosm.com>
PR gdb/13368

13
gdb/c-exp.y
View File

@ -156,7 +156,7 @@ static void c_print_token (FILE *file, int type, YYSTYPE value);
%token <voidval> COMPLETE
%token <tsym> TYPENAME
%token <theclass> CLASSNAME /* ObjC Class name */
%type <sval> name
%type <sval> name field_name
%type <svec> string_exp
%type <ssym> name_not_typename
%type <tsym> type_name
@ -312,13 +312,13 @@ exp : ALIGNOF '(' type_exp ')' %prec UNARY
{ write_exp_elt_opcode (pstate, UNOP_ALIGNOF); }
;
exp : exp ARROW name
exp : exp ARROW field_name
{ write_exp_elt_opcode (pstate, STRUCTOP_PTR);
write_exp_string (pstate, $3);
write_exp_elt_opcode (pstate, STRUCTOP_PTR); }
;
exp : exp ARROW name COMPLETE
exp : exp ARROW field_name COMPLETE
{ mark_struct_expression (pstate);
write_exp_elt_opcode (pstate, STRUCTOP_PTR);
write_exp_string (pstate, $3);
@ -360,13 +360,13 @@ exp : exp ARROW_STAR exp
{ write_exp_elt_opcode (pstate, STRUCTOP_MPTR); }
;
exp : exp '.' name
exp : exp '.' field_name
{ write_exp_elt_opcode (pstate, STRUCTOP_STRUCT);
write_exp_string (pstate, $3);
write_exp_elt_opcode (pstate, STRUCTOP_STRUCT); }
;
exp : exp '.' name COMPLETE
exp : exp '.' field_name COMPLETE
{ mark_struct_expression (pstate);
write_exp_elt_opcode (pstate, STRUCTOP_STRUCT);
write_exp_string (pstate, $3);
@ -1646,6 +1646,9 @@ oper: OPERATOR NEW
;
field_name
: name
;
name : NAME { $$ = $1.stoken; }
| BLOCKNAME { $$ = $1.stoken; }