Refactor parser for target_symbol->components

The components were being parsed for both target_symbols and cast_ops,
so this change refactors that code into a single function.

* parse.cxx (parser::parse_target_symbol_components): New.
  (parser::parse_symbol): Use the new function.

1 files changed, 3 insertions, 0 deletions

diff --git a/parse.h b/parse.h
index cae49b65..5587586e 100644
--- a/parse.h
+++ b/parse.h
@@ -112,6 +112,7 @@ struct next_statement;
 struct continue_statement;
 struct indexable;
 struct expression;
+struct target_symbol;
 struct hist_op;
 
 class parser
@@ -203,6 +204,8 @@ private: // nonterminals
   expression* parse_crement ();
   expression* parse_value ();
   expression* parse_symbol ();
+
+  void parse_target_symbol_components (target_symbol* e);
 };