Move arglist_len et al to parser_state

This moves arglist_len, start_arglist, and end_arglist to
parser_state.

gdb/ChangeLog
2019-04-04  Tom Tromey  <tom@tromey.com>

	* parser-defs.h (struct parser_state) <start_arglist,
	end_arglist>: New methods.
	<arglist_len, m_funcall_chain>: New members.
	(arglist_len, start_arglist, end_arglist): Don't declare.
	* parse.c (arglist_len, funcall_chain): Remove global.
	(start_arglist, end_arglist): Remove functions.
	(parse_exp_in_context): Update.
	* p-exp.y: Update rules.
	* m2-exp.y: Update rules.
	* go-exp.y: Update rules.
	* f-exp.y: Update rules.
	* d-exp.y: Update rules.
	* c-exp.y: Update rules.

1 files changed, 0 insertions, 32 deletions

diff --git a/gdb/parse.c b/gdb/parse.c
index 5692e23..6ee6157 100644
--- a/gdb/parse.c
+++ b/gdb/parse.c
@@ -67,7 +67,6 @@ const struct exp_descriptor exp_descriptor_standard =
 
 /* Global variables declared in parser-defs.h (and commented there).  */
 innermost_block_tracker innermost_block;
-int arglist_len;
 static struct type_stack type_stack;
 
 /* True if parsing an expression to attempt completion.  */
@@ -128,33 +127,6 @@ innermost_block_tracker::update (const struct block *b,
     m_innermost_block = b;
 }
 
-/* Data structure for saving values of arglist_len for function calls whose
-   arguments contain other function calls.  */
-
-static std::vector<int> *funcall_chain;
-
-/* Begin counting arguments for a function call,
-   saving the data about any containing call.  */
-
-void
-start_arglist (void)
-{
-  funcall_chain->push_back (arglist_len);
-  arglist_len = 0;
-}
-
-/* Return the number of arguments in a function call just terminated,
-   and restore the data for the containing function call.  */
-
-int
-end_arglist (void)
-{
-  int val = arglist_len;
-  arglist_len = funcall_chain->back ();
-  funcall_chain->pop_back ();
-  return val;
-}
-
 
 
 /* See definition in parser-defs.h.  */
@@ -1119,10 +1091,6 @@ parse_exp_in_context (const char **stringptr, CORE_ADDR pc,
   if (*stringptr == 0 || **stringptr == 0)
     error_no_arg (_("expression to compute"));
 
-  std::vector<int> funcalls;
-  scoped_restore save_funcall_chain = make_scoped_restore (&funcall_chain,
-							   &funcalls);
-
   const struct block *expression_context_block = block;
   CORE_ADDR expression_context_pc = 0;