gdb: Convert language la_post_parser field to a method

This commit changes the language_data::la_post_parser function pointer
member variable into a member function of language_defn.

There should be no user visible changes after this commit.

gdb/ChangeLog:

	* ada-lang.c (resolve): Rename to ada_language::post_parser.
	(ada_language_data): Delete la_post_parser initializer.
	(ada_language::post_parser): New member function.
	* c-lang.c (c_language_data): Delete la_post_parser initializer.
	(cplus_language_data): Likewise.
	(asm_language_data): Likewise.
	(minimal_language_data): Likewise.
	* d-lang.c (d_language_data): Likewise.
	* f-lang.c (f_language_data): Likewise.
	* go-lang.c (go_language_data): Likewise.
	* language.c (unknown_language_data): Likewise.
	(auto_language_data): Likewise.
	* language.h (language_data): Delete la_post_parser field.
	(language_defn::post_parser): New member function.
	* m2-lang.c (m2_language_data): Delete la_post_parser initializer.
	* objc-lang.c (objc_language_data): Likewise.
	* opencl-lang.c (opencl_language_data): Likewise.
	* p-lang.c (pascal_language_data): Likewise.
	* parse.c (parse_exp_in_context): Update call to post_parser.
	(null_post_parser): Delete definition.
	* parser-defs.h (null_post_parser): Delete declaration.
	* rust-lang.c (rust_language_data): Delete la_post_parser
	initializer.

1 files changed, 15 insertions, 11 deletions

diff --git a/gdb/language.h b/gdb/language.h
index 7434d74..d5b106d 100644
--- a/gdb/language.h
+++ b/gdb/language.h
@@ -225,17 +225,6 @@ struct language_data
 
     const struct exp_descriptor *la_exp_desc;
 
-    /* Given an expression *EXPP created by prefixifying the result of
-       la_parser, perform any remaining processing necessary to complete
-       its translation.  *EXPP may change; la_post_parser is responsible 
-       for releasing its previous contents, if necessary.  If 
-       VOID_CONTEXT_P, then no value is expected from the expression.
-       If COMPLETING is non-zero, then the expression has been parsed
-       for completion, not evaluation.  */
-
-    void (*la_post_parser) (expression_up *expp, int void_context_p,
-			    int completing, innermost_block_tracker *tracker);
-
     void (*la_printchar) (int ch, struct type *chtype,
 			  struct ui_file * stream);
 
@@ -540,6 +529,21 @@ struct language_defn : language_data
 
   virtual int parser (struct parser_state *ps) const;
 
+  /* Given an expression *EXPP created by prefixifying the result of
+     la_parser, perform any remaining processing necessary to complete its
+     translation.  *EXPP may change; la_post_parser is responsible for
+     releasing its previous contents, if necessary.  If VOID_CONTEXT_P,
+     then no value is expected from the expression.  If COMPLETING is
+     non-zero, then the expression has been parsed for completion, not
+     evaluation.  */
+
+  virtual void post_parser (expression_up *expp, int void_context_p,
+			    int completing,
+			    innermost_block_tracker *tracker) const
+  {
+    /* By default the post-parser does nothing.  */
+  }
+
 protected:
 
   /* This is the overridable part of the GET_SYMBOL_NAME_MATCHER method.