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authorAlan Modra <amodra@gmail.com>2003-06-28 05:28:54 +0000
committerAlan Modra <amodra@gmail.com>2003-06-28 05:28:54 +0000
commit1579bae1cd094ed9b986d2128997953600ca910d (patch)
tree17d62b19ecb6002f3c0982a8a13011ce3f83aa8a /ld/ldlex.l
parentb9ae04920ab4f0d0c10fad9dff55c4ca3e2d2251 (diff)
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Convert to C90
Diffstat (limited to 'ld/ldlex.l')
-rw-r--r--ld/ldlex.l135
1 files changed, 61 insertions, 74 deletions
diff --git a/ld/ldlex.l b/ld/ldlex.l
index c9eb1af..b55ebe7 100644
--- a/ld/ldlex.l
+++ b/ld/ldlex.l
@@ -1,7 +1,7 @@
%{
/* Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002 Free Software Foundation, Inc.
+ 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of GLD, the Gnu Linker.
@@ -26,7 +26,6 @@ This was written by steve chamberlain
*/
-#include "ansidecl.h"
#include <stdio.h>
#ifdef MPW
@@ -69,7 +68,7 @@ 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 MAX_INCLUDE_DEPTH 10
static YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH];
@@ -78,14 +77,11 @@ 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 yy_input (char *, int *, int);
+static void comment (void);
+static void lex_warn_invalid (char *where, char *what);
-static void comment PARAMS ((void));
-static void lex_warn_invalid PARAMS ((char *where, char *what));
-
-/* STATES
+/* STATES
EXPRESSION definitely in an expression
SCRIPT definitely in a script
BOTH either EXPRESSION or SCRIPT
@@ -99,7 +95,7 @@ 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
%}
@@ -112,7 +108,7 @@ 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\/\.\-\_\+\$\:\[\]\\\~]
@@ -144,24 +140,24 @@ V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^]([*?.$_a-zA-Z0-9\[\]\-\!\^]|::)*
}
}
-<BOTH,SCRIPT,EXPRESSION,VERS_START,VERS_NODE,VERS_SCRIPT>"/*" { comment(); }
+<BOTH,SCRIPT,EXPRESSION,VERS_START,VERS_NODE,VERS_SCRIPT>"/*" { comment (); }
<DEFSYMEXP>"-" { RTOKEN('-');}
<DEFSYMEXP>"+" { RTOKEN('+');}
-<DEFSYMEXP>{FILENAMECHAR1}{SYMBOLCHARN}* { yylval.name = xstrdup(yytext); return NAME; }
+<DEFSYMEXP>{FILENAMECHAR1}{SYMBOLCHARN}* { yylval.name = xstrdup (yytext); return NAME; }
<DEFSYMEXP>"=" { RTOKEN('='); }
<MRI,EXPRESSION>"$"([0-9A-Fa-f])+ {
- yylval.integer = bfd_scan_vma (yytext+1, 0,16);
- yylval.bigint.str = (char *) 0;
+ yylval.integer = bfd_scan_vma (yytext + 1, 0, 16);
+ yylval.bigint.str = NULL;
return INT;
}
<MRI,EXPRESSION>([0-9A-Fa-f])+(H|h|X|x|B|b|O|o|D|d) {
int ibase ;
- switch (yytext[yyleng-1]) {
- case 'X':
+ switch (yytext[yyleng - 1]) {
+ case 'X':
case 'x':
case 'H':
case 'h':
@@ -180,7 +176,7 @@ V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^]([*?.$_a-zA-Z0-9\[\]\-\!\^]|::)*
}
yylval.integer = bfd_scan_vma (yytext, 0,
ibase);
- yylval.bigint.str = (char *) 0;
+ yylval.bigint.str = NULL;
return INT;
}
<SCRIPT,DEFSYMEXP,MRI,BOTH,EXPRESSION>((("$"|0[xX])([0-9A-Fa-f])+)|(([0-9])+))(M|K|m|k)? {
@@ -193,14 +189,14 @@ V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^]([*?.$_a-zA-Z0-9\[\]\-\!\^]|::)*
ibase = 16;
}
yylval.integer = bfd_scan_vma (s, 0, ibase);
- yylval.bigint.str = (char *) 0;
- if (yytext[yyleng-1] == 'M'
- || yytext[yyleng-1] == 'm')
+ 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')
+ else if (yytext[yyleng - 1] == 'K'
+ || yytext[yyleng - 1]=='k')
{
yylval.integer *= 1024;
}
@@ -355,13 +351,13 @@ V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^]([*?.$_a-zA-Z0-9\[\]\-\!\^]|::)*
<MRI>{FILENAMECHAR1}{NOCFILENAMECHAR}* {
/* Filename without commas, needed to parse mri stuff */
- yylval.name = xstrdup(yytext);
+ yylval.name = xstrdup (yytext);
return NAME;
}
<BOTH,EXPRESSION>{FILENAMECHAR1}{FILENAMECHAR}* {
- yylval.name = xstrdup(yytext);
+ yylval.name = xstrdup (yytext);
return NAME;
}
<BOTH,EXPRESSION>"-l"{FILENAMECHAR}+ {
@@ -375,12 +371,12 @@ V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^]([*?.$_a-zA-Z0-9\[\]\-\!\^]|::)*
try again. */
if (yytext[0] == '/' && yytext[1] == '*')
{
- yyless(2);
+ yyless (2);
comment ();
}
else
{
- yylval.name = xstrdup(yytext);
+ yylval.name = xstrdup (yytext);
return NAME;
}
}
@@ -388,8 +384,8 @@ 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 = xstrdup(yytext+1);
- yylval.name[yyleng-2] = 0;
+ yylval.name = xstrdup (yytext + 1);
+ yylval.name[yyleng - 2] = 0;
return NAME;
}
<BOTH,SCRIPT,EXPRESSION>"\n" { lineno++;}
@@ -411,7 +407,7 @@ V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^]([*?.$_a-zA-Z0-9\[\]\-\!\^]|::)*
<VERS_START>"{" { BEGIN(VERS_SCRIPT); return *yytext; }
-<VERS_SCRIPT>"{" { BEGIN(VERS_NODE);
+<VERS_SCRIPT>"{" { BEGIN(VERS_NODE);
vers_node_nesting = 0;
return *yytext;
}
@@ -430,14 +426,14 @@ 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]);
}
ldfile_input_filename = file_name_stack[include_stack_ptr - 1];
@@ -446,9 +442,9 @@ V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^]([*?.$_a-zA-Z0-9\[\]\-\!\^]|::)*
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);
+
%%
@@ -456,13 +452,11 @@ 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] = lineno;
@@ -471,27 +465,25 @@ lex_push_file (file, name)
include_stack_ptr++;
lineno = 1;
yyin = file;
- yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
+ 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);
@@ -520,13 +512,12 @@ 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");
}
@@ -546,56 +537,56 @@ 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);
}
@@ -605,18 +596,15 @@ 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;
+ *result = 0;
if (YY_CURRENT_BUFFER->yy_input_file)
{
if (yyin)
{
- *result = fread ((char *) buf, 1, max_size, yyin);
- if (*result < max_size && ferror (yyin))
+ *result = fread (buf, 1, max_size, yyin);
+ if (*result < max_size && ferror (yyin))
einfo ("%F%P: read in flex scanner failed\n");
}
}
@@ -625,14 +613,14 @@ 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++;
@@ -663,8 +651,7 @@ comment ()
in context WHERE. */
static void
-lex_warn_invalid (where, what)
- char *where, *what;
+lex_warn_invalid (char *where, char *what)
{
char buf[5];