X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fada-lex.l;h=ce8de69f8e3fee17edc8b300ae912ea4336b5ae9;hb=edd079d9f6ca2f9ad21322b742269aec5de61190;hp=c50f5a83bdb67fe817869d601ee83e6431dfe27c;hpb=6d3d12ebef6fa7dd6bc8c34fbc5e440ac8d0a8c6;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/ada-lex.l b/gdb/ada-lex.l
index c50f5a83bd..ce8de69f8e 100644
--- a/gdb/ada-lex.l
+++ b/gdb/ada-lex.l
@@ -1,5 +1,5 @@
 /* FLEX lexer for Ada expressions, for GDB.
-   Copyright (C) 1994-2014 Free Software Foundation, Inc.
+   Copyright (C) 1994-2017 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -41,6 +41,14 @@ POSEXP  (e"+"?{NUM10})
 
 %{
 
+#include "common/diagnostics.h"
+
+/* Some old versions of flex generate code that uses the "register" keyword,
+   which clang warns about.  This was observed for example with flex 2.5.35,
+   as shipped with macOS 10.12.  */
+DIAGNOSTIC_PUSH
+DIAGNOSTIC_IGNORE_DEPRECATED_REGISTER
+
 #define NUMERAL_WIDTH 256
 #define LONGEST_SIGN ((ULONGEST) 1 << (sizeof(LONGEST) * HOST_CHAR_BIT - 1))
 
@@ -205,7 +213,7 @@ false		{ return FALSEKEYWORD; }
 
         /* ATTRIBUTES */
 
-{TICK}[a-zA-Z][a-zA-Z]+ { return processAttribute (yytext+1); }
+{TICK}[a-zA-Z][a-zA-Z]+ { BEGIN INITIAL; return processAttribute (yytext+1); }
 
 	/* PUNCTUATION */
 
@@ -395,16 +403,12 @@ processInt (struct parser_state *par_state, const char *base0,
 static int
 processReal (struct parser_state *par_state, const char *num0)
 {
-  sscanf (num0, "%" DOUBLEST_SCAN_FORMAT, &yylval.typed_val_float.dval);
-
-  yylval.typed_val_float.type = type_float (par_state);
-  if (sizeof(DOUBLEST) >= gdbarch_double_bit (parse_gdbarch (par_state))
-			    / TARGET_CHAR_BIT)
-    yylval.typed_val_float.type = type_double (par_state);
-  if (sizeof(DOUBLEST) >= gdbarch_long_double_bit (parse_gdbarch (par_state))
-			    / TARGET_CHAR_BIT)
-    yylval.typed_val_float.type = type_long_double (par_state);
+  yylval.typed_val_float.type = type_long_double (par_state);
 
+  bool parsed = parse_float (num0, strlen (num0),
+			     yylval.typed_val_float.type,
+			     yylval.typed_val_float.val);
+  gdb_assert (parsed);
   return FLOAT;
 }
 
@@ -428,7 +432,7 @@ processReal (struct parser_state *par_state, const char *num0)
 static struct stoken
 processId (const char *name0, int len)
 {
-  char *name = obstack_alloc (&temp_parse_space, len + 11);
+  char *name = (char *) obstack_alloc (&temp_parse_space, len + 11);
   int i0, i;
   struct stoken result;
 
@@ -499,7 +503,7 @@ processString (const char *text, int len)
   const char *lim = text + len;
   struct stoken result;
 
-  q = obstack_alloc (&temp_parse_space, len);
+  q = (char *) obstack_alloc (&temp_parse_space, len);
   result.ptr = q;
   p = text;
   while (p < lim)
@@ -648,3 +652,5 @@ dummy_function ada_flex_use[] =
 { 
   (dummy_function) yyunput
 };
+
+DIAGNOSTIC_POP