* doc/bison.texinfo (Stack Overflow): xref to Recursion.

[bison.git] / src / scan-gram.c

diff --git a/src/scan-gram.c b/src/scan-gram.c
index 1e19484ea84936181cff17dd6ce9f760ff800378..7457d9498869ae705f5631d2448c8a1d56abc717 100644 (file)
--- a/src/scan-gram.c
+++ b/src/scan-gram.c
@@ -15,7 +15,7 @@
 #define yyrestart gram_restart
 #define yytext gram_text
 
-#line 19 "scan-gram.c"
+#line 19 "lex.yy.c"
 /* A lexical scanner generated by flex */
 
 /* Scanner skeleton version:
@@ -27,7 +27,7 @@
 #define YY_FLEX_MINOR_VERSION 5
 
 #include <stdio.h>
-
+#include <errno.h>
 
 /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
 #ifdef c_plusplus
@@ -40,7 +40,9 @@
 #ifdef __cplusplus
 
 #include <stdlib.h>
+#ifndef _WIN32
 #include <unistd.h>
+#endif
 
 /* Use prototypes in function declarations. */
 #define YY_USE_PROTOS
@@ -823,7 +825,7 @@ static void handle_at PARAMS ((braced_code_t code_kind,
 #define SC_PROLOGUE 7
 #define SC_EPILOGUE 8
 
-#line 827 "scan-gram.c"
+#line 829 "lex.yy.c"
 
 /* Macros after this point can all be overridden by user definitions in
  * section 1.
@@ -923,9 +925,20 @@ YY_MALLOC_DECL
                        YY_FATAL_ERROR( "input in flex scanner failed" ); \
                result = n; \
                } \
-       else if ( ((result = fread( buf, 1, max_size, yyin )) == 0) \
-                 && ferror( yyin ) ) \
-               YY_FATAL_ERROR( "input in flex scanner failed" );
+       else \
+               { \
+               errno=0; \
+               while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \
+                       { \
+                       if( errno != EINTR) \
+                               { \
+                               YY_FATAL_ERROR( "input in flex scanner failed" ); \
+                               break; \
+                               } \
+                       errno=0; \
+                       clearerr(yyin); \
+                       } \
+               }
 #endif
 
 /* No semi-colon after return; correct usage is to write "yyterminate();" -
@@ -997,7 +1010,7 @@ YY_DECL
   /*----------------------------.
   | Scanning Bison directives.  |
   `----------------------------*/
-#line 1001 "scan-gram.c"
+#line 1014 "lex.yy.c"
 
        if ( yy_init )
                {
@@ -1858,7 +1871,7 @@ YY_RULE_SETUP
 #line 529 "scan-gram.l"
 YY_FATAL_ERROR( "flex scanner jammed" );
        YY_BREAK
-#line 1862 "scan-gram.c"
+#line 1875 "lex.yy.c"
 case YY_STATE_EOF(INITIAL):
        yyterminate();
 
@@ -2422,11 +2435,15 @@ YY_BUFFER_STATE b;
        }
 
 
+#ifndef _WIN32
+#include <unistd.h>
+#else
 #ifndef YY_ALWAYS_INTERACTIVE
 #ifndef YY_NEVER_INTERACTIVE
 extern int isatty YY_PROTO(( int ));
 #endif
 #endif
+#endif
 
 #ifdef YY_USE_PROTOS
 void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )