Remove some uses of VEC from parsers

This changes some uses of VEC in a few parsers to std::vector instead.

Tested by the buildbot.

gdb/ChangeLog
2018-08-28  Tom Tromey  <tom@tromey.com>

	* c-exp.y (struct token_and_value): Remove typedef and DEF_VEC.
	(token_fifo): Now a std::vector.
	(yylex, c_parse): Update.
	* d-exp.y (struct token_and_value): Remove typedef and DEF_VEC.
	(token_fifo): Now a std::vector.
	(yylex, d_parse): Update.
	* go-exp.y (struct token_and_value): Remove typedef and DEF_VEC.
	(token_fifo): Now a std::vector.
	(yylex, go_parse): Update.

1 files changed, 10 insertions, 14 deletions

diff --git a/gdb/go-exp.y b/gdb/go-exp.y
index 47570d5..7521acc 100644
--- a/gdb/go-exp.y
+++ b/gdb/go-exp.y
@@ -1279,17 +1279,15 @@ lex_one_token (struct parser_state *par_state)
 }
 
 /* An object of this type is pushed on a FIFO by the "outer" lexer.  */
-typedef struct
+struct token_and_value
 {
   int token;
   YYSTYPE value;
-} token_and_value;
-
-DEF_VEC_O (token_and_value);
+};
 
 /* A FIFO of tokens that have been read but not yet returned to the
    parser.  */
-static VEC (token_and_value) *token_fifo;
+static std::vector<token_and_value> token_fifo;
 
 /* Non-zero if the lexer should return tokens from the FIFO.  */
 static int popping;
@@ -1485,10 +1483,10 @@ yylex (void)
 {
   token_and_value current, next;
 
-  if (popping && !VEC_empty (token_and_value, token_fifo))
+  if (popping && !token_fifo.empty ())
     {
-      token_and_value tv = *VEC_index (token_and_value, token_fifo, 0);
-      VEC_ordered_remove (token_and_value, token_fifo, 0);
+      token_and_value tv = token_fifo[0];
+      token_fifo.erase (token_fifo.begin ());
       yylval = tv.value;
       /* There's no need to fall through to handle package.name
 	 as that can never happen here.  In theory.  */
@@ -1541,13 +1539,11 @@ yylex (void)
 	    }
 	}
 
-      VEC_safe_push (token_and_value, token_fifo, &next);
-      VEC_safe_push (token_and_value, token_fifo, &name2);
+      token_fifo.push_back (next);
+      token_fifo.push_back (name2);
     }
   else
-    {
-      VEC_safe_push (token_and_value, token_fifo, &next);
-    }
+    token_fifo.push_back (next);
 
   /* If we arrive here we don't have a package-qualified name.  */
 
@@ -1571,7 +1567,7 @@ go_parse (struct parser_state *par_state)
   last_was_structop = 0;
   saw_name_at_eof = 0;
 
-  VEC_free (token_and_value, token_fifo);
+  token_fifo.clear ();
   popping = 0;
   name_obstack.clear ();