X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=ld%2Fldlex.l;h=a0563151c879fe1020acd72e4c0e11e1434859ae;hb=99ad839030c1177eb409a99320fa7e60226f0db3;hp=2eef80f1fe2b259cc40f56004b41f3c3a48e3fb0;hpb=30727aa6d12fb866494020c0b62ab265a2bdcdfe;p=binutils-gdb.git

diff --git a/ld/ldlex.l b/ld/ldlex.l
index 2eef80f1fe2..a0563151c87 100644
--- a/ld/ldlex.l
+++ b/ld/ldlex.l
@@ -1,24 +1,24 @@
 %{
 
-/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 1999
-   Free Software Foundation, Inc.
+/* Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+   2000, 2001, 2002, 2003, 2004, 2005  Free Software Foundation, Inc.
 
-This file is part of GLD, the Gnu Linker.
+   This file is part of GLD, the Gnu Linker.
 
-GLD is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+   GLD is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
 
-GLD is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+   GLD is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
 
-You should have received a copy of the GNU General Public License
-along with GLD; see the file COPYING.  If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.  */
+   You should have received a copy of the GNU General Public License
+   along with GLD; see the file COPYING.  If not, write to the Free
+   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.  */
 
 /*
 This was written by steve chamberlain
@@ -26,25 +26,21 @@ This was written by steve chamberlain
 */
 
 
-#include <ansidecl.h>
 #include <stdio.h>
-#include <ctype.h>
-
-#ifdef MPW
-/* Prevent enum redefinition problems. */
-#define TRUE_FALSE_ALREADY_DEFINED
-#endif /* MPW */
 
 #include "bfd.h"
 #include "sysdep.h"
+#include "safe-ctype.h"
+#include "bfdlink.h"
 #include "ld.h"
-#include "ldgram.h"
 #include "ldmisc.h"
 #include "ldexp.h"
 #include "ldlang.h"
+#include <ldgram.h>
 #include "ldfile.h"
 #include "ldlex.h"
 #include "ldmain.h"
+#include "libiberty.h"
 
 /* The type of top-level parser input.
    yylex and yyparse (indirectly) both check this.  */
@@ -67,7 +63,9 @@ const char *lex_string = NULL;
    Otherwise, stack elements 0 through `include_stack_ptr - 1' are valid.  */
 
 #undef YY_INPUT
-#define YY_INPUT(buf,result,max_size) yy_input(buf, &result, max_size)
+#define YY_INPUT(buf,result,max_size) yy_input (buf, &result, max_size)
+
+#define YY_NO_UNPUT
 
 #define MAX_INCLUDE_DEPTH 10
 static YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH];
@@ -76,14 +74,11 @@ static unsigned int lineno_stack[MAX_INCLUDE_DEPTH];
 static unsigned int include_stack_ptr = 0;
 static int vers_node_nesting = 0;
 
-static YY_BUFFER_STATE yy_create_string_buffer PARAMS ((const char *string,
-							size_t 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));
+static void yy_input (char *, int *, int);
+static void comment (void);
+static void lex_warn_invalid (char *where, char *what);
 
-/* STATES 
+/* STATES
 	EXPRESSION	definitely in an expression
 	SCRIPT		definitely in a script
 	BOTH		either EXPRESSION or SCRIPT
@@ -97,7 +92,7 @@ static void lex_warn_invalid PARAMS ((char *where, char *what));
 
 /* Some versions of flex want this.  */
 #ifndef yywrap
-int yywrap () { return 1; }
+int yywrap (void) { return 1; }
 #endif
 %}
 
@@ -110,12 +105,12 @@ FILENAMECHAR1	[_a-zA-Z\/\.\\\$\_\~]
 SYMBOLCHARN     [_a-zA-Z\/\.\\\$\_\~0-9]
 FILENAMECHAR	[_a-zA-Z0-9\/\.\-\_\+\=\$\:\[\]\\\,\~]
 WILDCHAR	[_a-zA-Z0-9\/\.\-\_\+\=\$\:\[\]\\\,\~\?\*]
-WHITE		[ \t\n\r]+ 
+WHITE		[ \t\n\r]+
 
 NOCFILENAMECHAR	[_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\\~]
 
 V_TAG [.$_a-zA-Z][._a-zA-Z0-9]*
-V_IDENTIFIER [*?.$_a-zA-Z][*?.$_a-zA-Z0-9]*
+V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^\\]([*?.$_a-zA-Z0-9\[\]\-\!\^\\]|::)*
 
 %s SCRIPT
 %s EXPRESSION
@@ -137,28 +132,30 @@ V_IDENTIFIER [*?.$_a-zA-Z][*?.$_a-zA-Z0-9]*
 	case input_script: return INPUT_SCRIPT; break;
 	case input_mri_script: return INPUT_MRI_SCRIPT; break;
 	case input_version_script: return INPUT_VERSION_SCRIPT; break;
+	case input_dynamic_list: return INPUT_DYNAMIC_LIST; break;
 	case input_defsym: return INPUT_DEFSYM; break;
 	default: abort ();
 	}
     }
 
-<BOTH,SCRIPT,EXPRESSION>"/*"	{ comment(); }
+<BOTH,SCRIPT,EXPRESSION,VERS_START,VERS_NODE,VERS_SCRIPT>"/*"	{ comment (); }
 
 
 <DEFSYMEXP>"-"                  { RTOKEN('-');}
 <DEFSYMEXP>"+"                  { RTOKEN('+');}
-<DEFSYMEXP>{FILENAMECHAR1}{SYMBOLCHARN}*   { yylval.name = buystring(yytext); return NAME; }
+<DEFSYMEXP>{FILENAMECHAR1}{SYMBOLCHARN}*   { yylval.name = xstrdup (yytext); return NAME; }
 <DEFSYMEXP>"="                  { RTOKEN('='); }
 
 <MRI,EXPRESSION>"$"([0-9A-Fa-f])+ {
-  				yylval.integer = bfd_scan_vma (yytext+1, 0,16);
+  				yylval.integer = bfd_scan_vma (yytext + 1, 0, 16);
+				yylval.bigint.str = NULL;
 				return INT;
 			}
 
 <MRI,EXPRESSION>([0-9A-Fa-f])+(H|h|X|x|B|b|O|o|D|d) {
 				   int ibase ;
-				   switch (yytext[yyleng-1]) {
-				    case 'X': 
+				   switch (yytext[yyleng - 1]) {
+				    case 'X':
 				    case 'x':
 				    case 'H':
 				    case 'h':
@@ -177,20 +174,36 @@ V_IDENTIFIER [*?.$_a-zA-Z][*?.$_a-zA-Z0-9]*
 				   }
 				   yylval.integer = bfd_scan_vma (yytext, 0,
 								  ibase);
+				   yylval.bigint.str = NULL;
 				   return INT;
 				 }
-<SCRIPT,DEFSYMEXP,MRI,BOTH,EXPRESSION>((("$"|"0x")([0-9A-Fa-f])+)|(([0-9])+))(M|K|m|k)? {
+<SCRIPT,DEFSYMEXP,MRI,BOTH,EXPRESSION>((("$"|0[xX])([0-9A-Fa-f])+)|(([0-9])+))(M|K|m|k)? {
 				  char *s = yytext;
+				  int ibase = 0;
 
 				  if (*s == '$')
-				    ++s;
-				  yylval.integer = bfd_scan_vma (s, 0, 0);
-				  if (yytext[yyleng-1] == 'M'
-				      || yytext[yyleng-1] == 'm')
-				    yylval.integer *= 1024 * 1024;
-				  if (yytext[yyleng-1] == 'K' 
-				      || yytext[yyleng-1]=='k')
-				    yylval.integer *= 1024;
+				    {
+				      ++s;
+				      ibase = 16;
+				    }
+				  yylval.integer = bfd_scan_vma (s, 0, ibase);
+				  yylval.bigint.str = NULL;
+				  if (yytext[yyleng - 1] == 'M'
+				      || yytext[yyleng - 1] == 'm')
+				    {
+				      yylval.integer *= 1024 * 1024;
+				    }
+				  else if (yytext[yyleng - 1] == 'K'
+				      || yytext[yyleng - 1]=='k')
+				    {
+				      yylval.integer *= 1024;
+				    }
+				  else if (yytext[0] == '0'
+					   && (yytext[1] == 'x'
+					       || yytext[1] == 'X'))
+				    {
+				      yylval.bigint.str = xstrdup (yytext + 2);
+				    }
 				  return INT;
 				}
 <BOTH,SCRIPT,EXPRESSION,MRI>"]"		{ RTOKEN(']');}
@@ -224,84 +237,98 @@ V_IDENTIFIER [*?.$_a-zA-Z][*?.$_a-zA-Z0-9]*
 <BOTH,SCRIPT,EXPRESSION,MRI>"/"		{ RTOKEN('/');}
 <BOTH,SCRIPT,EXPRESSION,MRI>"%"		{ RTOKEN('%');}
 <BOTH,SCRIPT,EXPRESSION,MRI>"<"		{ RTOKEN('<');}
-<BOTH,SCRIPT,EXPRESSION,MRI>"="          { RTOKEN('=');}
-<BOTH,SCRIPT,EXPRESSION,MRI>"}"			{ RTOKEN('}') ; }
-<BOTH,SCRIPT,EXPRESSION,MRI>"{"			{ RTOKEN('{'); }
-<BOTH,SCRIPT,EXPRESSION,MRI>")"			{ RTOKEN(')');}
-<BOTH,SCRIPT,EXPRESSION,MRI>"("			{ RTOKEN('(');}
+<BOTH,SCRIPT,EXPRESSION,MRI>"="         { RTOKEN('=');}
+<BOTH,SCRIPT,EXPRESSION,MRI>"}"		{ RTOKEN('}') ; }
+<BOTH,SCRIPT,EXPRESSION,MRI>"{"		{ RTOKEN('{'); }
+<BOTH,SCRIPT,EXPRESSION,MRI>")"		{ RTOKEN(')');}
+<BOTH,SCRIPT,EXPRESSION,MRI>"("		{ RTOKEN('(');}
 <BOTH,SCRIPT,EXPRESSION,MRI>":"		{ RTOKEN(':'); }
 <BOTH,SCRIPT,EXPRESSION,MRI>";"		{ RTOKEN(';');}
-<BOTH,SCRIPT>"MEMORY"		{ RTOKEN(MEMORY);}
-<BOTH,SCRIPT>"ORIGIN"		{ RTOKEN(ORIGIN);}
-<BOTH,SCRIPT>"VERSION"		{ RTOKEN(VERSIONK);}
+<BOTH,SCRIPT>"MEMORY"			{ RTOKEN(MEMORY);}
+<BOTH,SCRIPT,EXPRESSION>"ORIGIN"	{ RTOKEN(ORIGIN);}
+<BOTH,SCRIPT>"VERSION"			{ RTOKEN(VERSIONK);}
 <EXPRESSION,BOTH,SCRIPT>"BLOCK"		{ RTOKEN(BLOCK);}
 <EXPRESSION,BOTH,SCRIPT>"BIND"		{ RTOKEN(BIND);}
-<BOTH,SCRIPT>"LENGTH"		{ RTOKEN(LENGTH);}
-<EXPRESSION,BOTH,SCRIPT>"ALIGN"			{ RTOKEN(ALIGN_K);}
-<EXPRESSION,BOTH,SCRIPT>"ADDR"			{ RTOKEN(ADDR);}
-<EXPRESSION,BOTH,SCRIPT>"LOADADDR"		{ RTOKEN(LOADADDR);}
+<BOTH,SCRIPT,EXPRESSION>"LENGTH"	{ RTOKEN(LENGTH);}
+<EXPRESSION,BOTH,SCRIPT>"ALIGN"		{ RTOKEN(ALIGN_K);}
+<EXPRESSION,BOTH,SCRIPT>"DATA_SEGMENT_ALIGN"	{ RTOKEN(DATA_SEGMENT_ALIGN);}
+<EXPRESSION,BOTH,SCRIPT>"DATA_SEGMENT_RELRO_END"	{ RTOKEN(DATA_SEGMENT_RELRO_END);}
+<EXPRESSION,BOTH,SCRIPT>"DATA_SEGMENT_END"	{ RTOKEN(DATA_SEGMENT_END);}
+<EXPRESSION,BOTH,SCRIPT>"ADDR"		{ RTOKEN(ADDR);}
+<EXPRESSION,BOTH,SCRIPT>"LOADADDR"	{ RTOKEN(LOADADDR);}
 <EXPRESSION,BOTH>"MAX"			{ RTOKEN(MAX_K); }
 <EXPRESSION,BOTH>"MIN"			{ RTOKEN(MIN_K); }
 <EXPRESSION,BOTH>"ASSERT"		{ RTOKEN(ASSERT_K); }
 <BOTH,SCRIPT>"ENTRY"			{ RTOKEN(ENTRY);}
 <BOTH,SCRIPT,MRI>"EXTERN"		{ RTOKEN(EXTERN);}
-<EXPRESSION,BOTH,SCRIPT>"NEXT"			{ RTOKEN(NEXT);}
+<EXPRESSION,BOTH,SCRIPT>"NEXT"		{ RTOKEN(NEXT);}
 <EXPRESSION,BOTH,SCRIPT>"sizeof_headers"	{ RTOKEN(SIZEOF_HEADERS);}
 <EXPRESSION,BOTH,SCRIPT>"SIZEOF_HEADERS"	{ RTOKEN(SIZEOF_HEADERS);}
+<EXPRESSION,BOTH,SCRIPT>"SEGMENT_START" { RTOKEN(SEGMENT_START);}
 <BOTH,SCRIPT>"MAP"			{ RTOKEN(MAP);}
-<EXPRESSION,BOTH,SCRIPT>"SIZEOF"		{ RTOKEN(SIZEOF);}
-<BOTH,SCRIPT>"TARGET"		{ RTOKEN(TARGET_K);}
+<EXPRESSION,BOTH,SCRIPT>"SIZEOF"	{ RTOKEN(SIZEOF);}
+<BOTH,SCRIPT>"TARGET"			{ RTOKEN(TARGET_K);}
 <BOTH,SCRIPT>"SEARCH_DIR"		{ RTOKEN(SEARCH_DIR);}
-<BOTH,SCRIPT>"OUTPUT"		{ RTOKEN(OUTPUT);}
+<BOTH,SCRIPT>"OUTPUT"			{ RTOKEN(OUTPUT);}
 <BOTH,SCRIPT>"INPUT"			{ RTOKEN(INPUT);}
 <EXPRESSION,BOTH,SCRIPT>"GROUP"		{ RTOKEN(GROUP);}
-<EXPRESSION,BOTH,SCRIPT>"DEFINED"		{ RTOKEN(DEFINED);}
+<EXPRESSION,BOTH,SCRIPT>"AS_NEEDED"	{ RTOKEN(AS_NEEDED);}
+<EXPRESSION,BOTH,SCRIPT>"DEFINED"	{ RTOKEN(DEFINED);}
 <BOTH,SCRIPT>"CREATE_OBJECT_SYMBOLS"	{ RTOKEN(CREATE_OBJECT_SYMBOLS);}
 <BOTH,SCRIPT>"CONSTRUCTORS"		{ RTOKEN( CONSTRUCTORS);}
-<BOTH,SCRIPT>"FORCE_COMMON_ALLOCATION" { RTOKEN(FORCE_COMMON_ALLOCATION);}
-<BOTH,SCRIPT>"SECTIONS"		{ RTOKEN(SECTIONS);}
+<BOTH,SCRIPT>"FORCE_COMMON_ALLOCATION"	{ RTOKEN(FORCE_COMMON_ALLOCATION);}
+<BOTH,SCRIPT>"INHIBIT_COMMON_ALLOCATION" { RTOKEN(INHIBIT_COMMON_ALLOCATION);}
+<BOTH,SCRIPT>"SECTIONS"			{ RTOKEN(SECTIONS);}
 <BOTH,SCRIPT>"FILL"			{ RTOKEN(FILL);}
-<BOTH,SCRIPT>"STARTUP"		{ RTOKEN(STARTUP);}
+<BOTH,SCRIPT>"STARTUP"			{ RTOKEN(STARTUP);}
 <BOTH,SCRIPT>"OUTPUT_FORMAT"		{ RTOKEN(OUTPUT_FORMAT);}
 <BOTH,SCRIPT>"OUTPUT_ARCH"		{ RTOKEN( OUTPUT_ARCH);}
 <BOTH,SCRIPT>"HLL"			{ RTOKEN(HLL);}
-<BOTH,SCRIPT>"SYSLIB"		{ RTOKEN(SYSLIB);}
+<BOTH,SCRIPT>"SYSLIB"			{ RTOKEN(SYSLIB);}
 <BOTH,SCRIPT>"FLOAT"			{ RTOKEN(FLOAT);}
 <BOTH,SCRIPT>"QUAD"			{ RTOKEN( QUAD);}
 <BOTH,SCRIPT>"SQUAD"			{ RTOKEN( SQUAD);}
 <BOTH,SCRIPT>"LONG"			{ RTOKEN( LONG);}
 <BOTH,SCRIPT>"SHORT"			{ RTOKEN( SHORT);}
 <BOTH,SCRIPT>"BYTE"			{ RTOKEN( BYTE);}
-<BOTH,SCRIPT>"NOFLOAT"		{ RTOKEN(NOFLOAT);}
+<BOTH,SCRIPT>"NOFLOAT"			{ RTOKEN(NOFLOAT);}
 <EXPRESSION,BOTH,SCRIPT>"NOCROSSREFS"	{ RTOKEN(NOCROSSREFS);}
 <BOTH,SCRIPT>"OVERLAY"			{ RTOKEN(OVERLAY); }
-<BOTH,SCRIPT>"SORT"			{ RTOKEN(SORT); }
+<BOTH,SCRIPT>"SORT_BY_NAME"		{ RTOKEN(SORT_BY_NAME); }
+<BOTH,SCRIPT>"SORT_BY_ALIGNMENT"	{ RTOKEN(SORT_BY_ALIGNMENT); }
+<BOTH,SCRIPT>"SORT"			{ RTOKEN(SORT_BY_NAME); }
 <EXPRESSION,BOTH,SCRIPT>"NOLOAD"	{ RTOKEN(NOLOAD);}
 <EXPRESSION,BOTH,SCRIPT>"DSECT"		{ RTOKEN(DSECT);}
 <EXPRESSION,BOTH,SCRIPT>"COPY"		{ RTOKEN(COPY);}
 <EXPRESSION,BOTH,SCRIPT>"INFO"		{ RTOKEN(INFO);}
 <EXPRESSION,BOTH,SCRIPT>"OVERLAY"	{ RTOKEN(OVERLAY);}
+<EXPRESSION,BOTH,SCRIPT>"ONLY_IF_RO"	{ RTOKEN(ONLY_IF_RO); }
+<EXPRESSION,BOTH,SCRIPT>"ONLY_IF_RW"	{ RTOKEN(ONLY_IF_RW); }
+<EXPRESSION,BOTH,SCRIPT>"SPECIAL"	{ RTOKEN(SPECIAL); }
 <BOTH,SCRIPT>"o"			{ RTOKEN(ORIGIN);}
 <BOTH,SCRIPT>"org"			{ RTOKEN(ORIGIN);}
 <BOTH,SCRIPT>"l"			{ RTOKEN( LENGTH);}
 <BOTH,SCRIPT>"len"			{ RTOKEN( LENGTH);}
 <BOTH,SCRIPT>"INCLUDE"			{ RTOKEN(INCLUDE);}
 <BOTH,SCRIPT>"PHDRS"			{ RTOKEN (PHDRS); }
-<EXPRESSION,BOTH,SCRIPT>"AT"			{ RTOKEN(AT);}
-<EXPRESSION,BOTH,SCRIPT>"PROVIDE"		{ RTOKEN(PROVIDE); }
+<EXPRESSION,BOTH,SCRIPT>"AT"		{ RTOKEN(AT);}
+<EXPRESSION,BOTH,SCRIPT>"SUBALIGN"	{ RTOKEN(SUBALIGN);}
+<EXPRESSION,BOTH,SCRIPT>"PROVIDE"	{ RTOKEN(PROVIDE); }
+<EXPRESSION,BOTH,SCRIPT>"PROVIDE_HIDDEN" { RTOKEN(PROVIDE_HIDDEN); }
 <EXPRESSION,BOTH,SCRIPT>"KEEP"		{ RTOKEN(KEEP); }
-<EXPRESSION,BOTH,SCRIPT>"EXCLUDE_FILE"        { RTOKEN(EXCLUDE_FILE); }
+<EXPRESSION,BOTH,SCRIPT>"EXCLUDE_FILE"  { RTOKEN(EXCLUDE_FILE); }
+<EXPRESSION,BOTH,SCRIPT>"CONSTANT"	{ RTOKEN(CONSTANT);}
 <MRI>"#".*\n?			{ ++ lineno; }
 <MRI>"\n"	                { ++ lineno;  RTOKEN(NEWLINE); }
 <MRI>"*".*			{ /* Mri comment line */ }
 <MRI>";".*			{ /* Mri comment line */ }
 <MRI>"END"                      { RTOKEN(ENDWORD); }
-<MRI>"ALIGNMOD"		{ RTOKEN(ALIGNMOD);}
-<MRI>"ALIGN"		{ RTOKEN(ALIGN_K);}
+<MRI>"ALIGNMOD"			{ RTOKEN(ALIGNMOD);}
+<MRI>"ALIGN"			{ RTOKEN(ALIGN_K);}
 <MRI>"CHIP"                     { RTOKEN(CHIP); }
 <MRI>"BASE"                     { RTOKEN(BASE); }
-<MRI>"ALIAS"                     { RTOKEN(ALIAS); }
-<MRI>"TRUNCATE"                     { RTOKEN(TRUNCATE); }
+<MRI>"ALIAS"                    { RTOKEN(ALIAS); }
+<MRI>"TRUNCATE"                 { RTOKEN(TRUNCATE); }
 <MRI>"LOAD"                     { RTOKEN(LOAD); }
 <MRI>"PUBLIC"                   { RTOKEN(PUBLIC); }
 <MRI>"ORDER"                    { RTOKEN(ORDER); }
@@ -313,12 +340,12 @@ V_IDENTIFIER [*?.$_a-zA-Z][*?.$_a-zA-Z0-9]*
 <MRI>"SECT"			{ RTOKEN(SECT); }
 <EXPRESSION,BOTH,SCRIPT,MRI>"ABSOLUTE"			{ RTOKEN(ABSOLUTE); }
 <MRI>"end"                      { RTOKEN(ENDWORD); }
-<MRI>"alignmod"		{ RTOKEN(ALIGNMOD);}
-<MRI>"align"		{ RTOKEN(ALIGN_K);}
+<MRI>"alignmod"			{ RTOKEN(ALIGNMOD);}
+<MRI>"align"			{ RTOKEN(ALIGN_K);}
 <MRI>"chip"                     { RTOKEN(CHIP); }
 <MRI>"base"                     { RTOKEN(BASE); }
-<MRI>"alias"                     { RTOKEN(ALIAS); }
-<MRI>"truncate"                     { RTOKEN(TRUNCATE); }
+<MRI>"alias"                    { RTOKEN(ALIAS); }
+<MRI>"truncate"                 { RTOKEN(TRUNCATE); }
 <MRI>"load"                     { RTOKEN(LOAD); }
 <MRI>"public"                   { RTOKEN(PUBLIC); }
 <MRI>"order"                    { RTOKEN(ORDER); }
@@ -333,17 +360,17 @@ V_IDENTIFIER [*?.$_a-zA-Z][*?.$_a-zA-Z0-9]*
 
 <MRI>{FILENAMECHAR1}{NOCFILENAMECHAR}*	{
 /* Filename without commas, needed to parse mri stuff */
-				 yylval.name = buystring(yytext); 
+				 yylval.name = xstrdup (yytext);
 				  return NAME;
 				}
 
 
 <BOTH,EXPRESSION>{FILENAMECHAR1}{FILENAMECHAR}*	{
-				 yylval.name = buystring(yytext); 
+				 yylval.name = xstrdup (yytext);
 				  return NAME;
 				}
 <BOTH,EXPRESSION>"-l"{FILENAMECHAR}+ {
-				  yylval.name = buystring (yytext + 2);
+				  yylval.name = xstrdup (yytext + 2);
 				  return LNAME;
 				}
 <SCRIPT>{WILDCHAR}* {
@@ -353,12 +380,12 @@ V_IDENTIFIER [*?.$_a-zA-Z][*?.$_a-zA-Z0-9]*
 		   try again.  */
 		if (yytext[0] == '/' && yytext[1] == '*')
 		  {
-		    yyless(2);
+		    yyless (2);
 		    comment ();
 		  }
 		else
 		  {
-		    yylval.name = buystring(yytext);
+		    yylval.name = xstrdup (yytext);
 		    return NAME;
 		  }
 	}
@@ -366,8 +393,8 @@ V_IDENTIFIER [*?.$_a-zA-Z][*?.$_a-zA-Z0-9]*
 <EXPRESSION,BOTH,SCRIPT,VERS_NODE>"\""[^\"]*"\"" {
 					/* No matter the state, quotes
 					   give what's inside */
-					yylval.name = buystring(yytext+1);
-					yylval.name[yyleng-2] = 0;
+					yylval.name = xstrdup (yytext + 1);
+					yylval.name[yyleng - 2] = 0;
 					return NAME;
 				}
 <BOTH,SCRIPT,EXPRESSION>"\n"		{ lineno++;}
@@ -381,15 +408,15 @@ V_IDENTIFIER [*?.$_a-zA-Z][*?.$_a-zA-Z0-9]*
 
 <VERS_NODE>extern		{ RTOKEN(EXTERN); }
 
-<VERS_NODE>{V_IDENTIFIER}	{ yylval.name = buystring (yytext);
+<VERS_NODE>{V_IDENTIFIER}	{ yylval.name = xstrdup (yytext);
 				  return VERS_IDENTIFIER; }
 
-<VERS_SCRIPT>{V_TAG}		{ yylval.name = buystring (yytext);
+<VERS_SCRIPT>{V_TAG}		{ yylval.name = xstrdup (yytext);
 				  return VERS_TAG; }
 
 <VERS_START>"{"			{ BEGIN(VERS_SCRIPT); return *yytext; }
 
-<VERS_SCRIPT>"{"		{ BEGIN(VERS_NODE); 
+<VERS_SCRIPT>"{"		{ BEGIN(VERS_NODE);
 				  vers_node_nesting = 0;
 				  return *yytext;
 				}
@@ -408,26 +435,25 @@ V_IDENTIFIER [*?.$_a-zA-Z][*?.$_a-zA-Z0-9]*
 
 <<EOF>> {
   include_stack_ptr--;
-    
-  if (include_stack_ptr == 0) 
+
+  if (include_stack_ptr == 0)
   {
-    yyterminate();
+    yyterminate ();
   }
-  else 
+  else
   {
-    yy_switch_to_buffer(include_stack[include_stack_ptr]);
-
+    yy_switch_to_buffer (include_stack[include_stack_ptr]);
   }
-  BEGIN(SCRIPT);
+
   ldfile_input_filename = file_name_stack[include_stack_ptr - 1];
-  lineno = lineno_stack[include_stack_ptr - 1];
+  lineno = lineno_stack[include_stack_ptr];
 
   return END;
 }
 
-<SCRIPT,MRI,VERS_START,VERS_SCRIPT,VERS_NODE>.	lex_warn_invalid(" in script", yytext);
-<EXPRESSION,DEFSYMEXP,BOTH>.	lex_warn_invalid(" in expression", yytext);
-    
+<SCRIPT,MRI,VERS_START,VERS_SCRIPT,VERS_NODE>.	lex_warn_invalid (" in script", yytext);
+<EXPRESSION,DEFSYMEXP,BOTH>.	lex_warn_invalid (" in expression", yytext);
+
 %%
 
 
@@ -435,42 +461,38 @@ V_IDENTIFIER [*?.$_a-zA-Z][*?.$_a-zA-Z0-9]*
    saving the current input info on the include stack.  */
 
 void
-lex_push_file (file, name)
-     FILE *file;
-     const char *name;
+lex_push_file (FILE *file, const char *name)
 {
-  if (include_stack_ptr >= MAX_INCLUDE_DEPTH) 
+  if (include_stack_ptr >= MAX_INCLUDE_DEPTH)
     {
-      einfo("%F:includes nested too deeply\n");
+      einfo ("%F:includes nested too deeply\n");
     }
   file_name_stack[include_stack_ptr] = name;
-  lineno_stack[include_stack_ptr] = 1;
+  lineno_stack[include_stack_ptr] = lineno;
   include_stack[include_stack_ptr] = YY_CURRENT_BUFFER;
 
   include_stack_ptr++;
+  lineno = 1;
   yyin = file;
-  yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
-  BEGIN (SCRIPT);
+  yy_switch_to_buffer (yy_create_buffer (yyin, YY_BUF_SIZE));
 }
 
 /* Return a newly created flex input buffer containing STRING,
    which is SIZE bytes long.  */
 
-static YY_BUFFER_STATE 
-yy_create_string_buffer (string, size)
-     CONST char *string;
-     size_t size;
+static YY_BUFFER_STATE
+yy_create_string_buffer (const char *string, size_t size)
 {
   YY_BUFFER_STATE b;
 
   /* Calls to m-alloc get turned by sed into xm-alloc.  */
-  b = (YY_BUFFER_STATE) malloc (sizeof (struct yy_buffer_state));
+  b = malloc (sizeof (struct yy_buffer_state));
   b->yy_input_file = 0;
   b->yy_buf_size = size;
 
   /* yy_ch_buf has to be 2 characters longer than the size given because
      we need to put in 2 end-of-buffer characters.  */
-  b->yy_ch_buf = (char *) malloc ((unsigned) (b->yy_buf_size + 3));
+  b->yy_ch_buf = malloc ((unsigned) (b->yy_buf_size + 3));
 
   b->yy_ch_buf[0] = '\n';
   strcpy (b->yy_ch_buf+1, string);
@@ -479,6 +501,11 @@ yy_create_string_buffer (string, size)
   b->yy_n_chars = size+1;
   b->yy_buf_pos = &b->yy_ch_buf[1];
 
+  b->yy_is_our_buffer = 1;
+  b->yy_is_interactive = 0;
+  b->yy_at_bol = 1;
+  b->yy_fill_buffer = 0;
+
   /* flex 2.4.7 changed the interface.  FIXME: We should not be using
      a flex internal interface in the first place!  */
 #ifdef YY_BUFFER_NEW
@@ -494,23 +521,22 @@ yy_create_string_buffer (string, size)
    on the include stack.  */
 
 void
-lex_redirect (string)
-     CONST char *string;
+lex_redirect (const char *string)
 {
   YY_BUFFER_STATE tmp;
 
   yy_init = 0;
-  if (include_stack_ptr >= MAX_INCLUDE_DEPTH) 
+  if (include_stack_ptr >= MAX_INCLUDE_DEPTH)
     {
       einfo("%F: macros nested too deeply\n");
     }
   file_name_stack[include_stack_ptr] = "redirect";
-  lineno_stack[include_stack_ptr] = 0;
+  lineno_stack[include_stack_ptr] = lineno;
   include_stack[include_stack_ptr] = YY_CURRENT_BUFFER;
   include_stack_ptr++;
+  lineno = 1;
   tmp = yy_create_string_buffer (string, strlen (string));
   yy_switch_to_buffer (tmp);
-  BEGIN (SCRIPT);
 }
 
 /* Functions to switch to a different flex start condition,
@@ -520,56 +546,56 @@ static int state_stack[MAX_INCLUDE_DEPTH * 2];
 static int *state_stack_p = state_stack;
 
 void
-ldlex_script ()
+ldlex_script (void)
 {
   *(state_stack_p)++ = yy_start;
   BEGIN (SCRIPT);
 }
 
 void
-ldlex_mri_script ()
+ldlex_mri_script (void)
 {
   *(state_stack_p)++ = yy_start;
   BEGIN (MRI);
 }
 
 void
-ldlex_version_script ()
+ldlex_version_script (void)
 {
   *(state_stack_p)++ = yy_start;
   BEGIN (VERS_START);
 }
 
 void
-ldlex_version_file ()
+ldlex_version_file (void)
 {
   *(state_stack_p)++ = yy_start;
   BEGIN (VERS_SCRIPT);
 }
 
 void
-ldlex_defsym ()
+ldlex_defsym (void)
 {
   *(state_stack_p)++ = yy_start;
   BEGIN (DEFSYMEXP);
 }
-	   
+
 void
-ldlex_expression ()
+ldlex_expression (void)
 {
   *(state_stack_p)++ = yy_start;
   BEGIN (EXPRESSION);
 }
 
 void
-ldlex_both ()
+ldlex_both (void)
 {
   *(state_stack_p)++ = yy_start;
   BEGIN (BOTH);
 }
 
 void
-ldlex_popstate ()
+ldlex_popstate (void)
 {
   yy_start = *(--state_stack_p);
 }
@@ -579,18 +605,15 @@ ldlex_popstate ()
    either the number of characters read, or 0 to indicate EOF.  */
 
 static void
-yy_input (buf, result, max_size)
-     char *buf;
-     int *result;
-     int max_size;
+yy_input (char *buf, int *result, int max_size)
 {
-  *result = 0; 
-  if (yy_current_buffer->yy_input_file)
+  *result = 0;
+  if (YY_CURRENT_BUFFER->yy_input_file)
     {
       if (yyin)
 	{
-	  *result = read (fileno (yyin), (char *) buf, max_size);
-	  if (*result < 0) 
+	  *result = fread (buf, 1, max_size, yyin);
+	  if (*result < max_size && ferror (yyin))
 	    einfo ("%F%P: read in flex scanner failed\n");
 	}
     }
@@ -599,14 +622,14 @@ yy_input (buf, result, max_size)
 /* Eat the rest of a C-style comment.  */
 
 static void
-comment ()
+comment (void)
 {
   int c;
 
   while (1)
   {
     c = input();
-    while (c != '*' && c != EOF) 
+    while (c != '*' && c != EOF)
     {
       if (c == '\n')
 	lineno++;
@@ -637,8 +660,7 @@ comment ()
    in context WHERE.  */
 
 static void
-lex_warn_invalid (where, what)
-     char *where, *what;
+lex_warn_invalid (char *where, char *what)
 {
   char buf[5];
 
@@ -652,7 +674,7 @@ lex_warn_invalid (where, what)
       einfo ("%F%s: file not recognized: %E\n", ldfile_input_filename);
     }
 
-  if (! isprint ((unsigned char) *what))
+  if (! ISPRINT (*what))
     {
       sprintf (buf, "\\%03o", (unsigned int) *what);
       what = buf;