From: David MacKenzie <djm@cygnus>
Date: Fri, 28 Jan 1994 19:36:53 +0000 (+0000)
Subject: 	* ldlex.l: Add rule to catch invalid input characters instead of
X-Git-Tag: gdb-4_18~15794
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fb55f9b8ae29f5b7d30474d4322fe4573a9aceeb;p=external%2Fbinutils.git

	* ldlex.l: Add rule to catch invalid input characters instead of
	printing them.  Include "ldmain.h" for program_name decl.
	(lex_warn_invalid): New function.
	* Makefile.in: Add dependency.
---

diff --git a/ld/ChangeLog b/ld/ChangeLog
index 83a3ea8..0d0d784 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,10 @@
+Fri Jan 28 09:12:56 1994  David J. Mackenzie  (djm@thepub.cygnus.com)
+
+	* ldlex.l: Add rule to catch invalid input characters instead of
+	printing them.  Include "ldmain.h" for program_name decl.
+	(lex_warn_invalid): New function.
+	* Makefile.in: Add dependency.
+
 Fri Jan 28 12:58:45 1994  Ken Raeburn  (raeburn@cujo.cygnus.com)
 
 	* Makefile.in (check): Don't bother running any tests of
diff --git a/ld/Makefile.in b/ld/Makefile.in
index c61bcf2..30e1e7b 100644
--- a/ld/Makefile.in
+++ b/ld/Makefile.in
@@ -753,6 +753,6 @@ ldgram.o : ldgram.c ../bfd/bfd.h $(INCDIR)/ansidecl.h \
   $(INCDIR)/bfdlink.h ld.h ldexp.h ldver.h ldlang.h ldemul.h \
   ldfile.h ldmisc.h ldmain.h mri.h ldlex.h
 ldlex.o : ldlex.c ../bfd/bfd.h $(INCDIR)/obstack.h \
-  ld.h ldgram.h ldmisc.h ldexp.h ldlang.h ldfile.h ldlex.h
+  ld.h ldgram.h ldmisc.h ldexp.h ldlang.h ldfile.h ldlex.h ldmain.h
 
 # IF YOU PUT ANYTHING HERE IT WILL GO AWAY
diff --git a/ld/ldlex.l b/ld/ldlex.l
index 7955ac7..ddc4d5e 100644
--- a/ld/ldlex.l
+++ b/ld/ldlex.l
@@ -1,6 +1,6 @@
 %{
 
-/* Copyright (C) 1991, 1993 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
 
 This file is part of GLD, the Gnu Linker.
 
@@ -41,6 +41,7 @@ This was written by steve chamberlain
 #include "ldlang.h"
 #include "ldfile.h"
 #include "ldlex.h"
+#include "ldmain.h"
 
 int ldgram_in_defsym;
 
@@ -62,13 +63,14 @@ static YY_BUFFER_STATE yy_create_string_buffer PARAMS ((const char *string,
 							int size));
 static void yy_input PARAMS ((char *, int *result, int max_size));
 static void comment PARAMS ((void));
+static void lex_warn_invalid PARAMS ((char *where, char *what));
 
 /* STATES 
 	COMMAND	 	on command line
-	COMMENT		in a C comment
-	EXPRESSION	definiatelyt in an expression
-	SCRIPT		definately in a script
-	SOMEWHERE	either EXPRESSION or SCRIPT
+	EXPRESSION	definitely in an expression
+	SCRIPT		definitely in a script
+	BOTH		either EXPRESSION or SCRIPT
+	DEFSYMEXP	in an argument to -defsym
         MRI             in an MRI script
 */
 #define RTOKEN(x)  {  yylval.token = x; return x; }
@@ -91,7 +93,6 @@ NOCFILENAMECHAR	[_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\\~]
 %s COMMAND
 %s SCRIPT
 %s EXPRESSION
-%s COMMENT
 %s BOTH
 %s DEFSYMEXP
 %s MRI
@@ -449,6 +450,10 @@ NOCFILENAMECHAR	[_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\\~]
 
   return END;
 }
+
+<COMMAND>.		lex_warn_invalid(" on command line", yytext);
+<SCRIPT,MRI>.		lex_warn_invalid(" in script", yytext);
+<EXPRESSION,DEFSYMEXP,BOTH>.	lex_warn_invalid(" in expression", yytext);
     
 %%
 
@@ -628,3 +633,12 @@ comment ()
     }
   }
 }
+
+static void
+lex_warn_invalid (where, what)
+     char *where, *what;
+{
+  fprintf(stderr,
+	  "%s: ignoring invalid character `%s'%s\n",
+	  program_name, what, where);
+}