* reader.c (copy_string): New function, factored out from:

[bison.git] / src / reader.c

diff --git a/src/reader.c b/src/reader.c
index d670310a94f01f59db06b3c16281997d10c3e576..a156937cfab9fe22542605bf42bdb3442fe98474 100644 (file)
--- a/src/reader.c
+++ b/src/reader.c
@@ -989,6 +989,47 @@ get_type_name (int n, symbol_list *rule)
 }
 
 
+/* Dump the string from FINPUT to FOUTPUT.  MATCH is the delimiter of
+   the string (either ' or ").  */
+
+void
+copy_string (FILE *finput, FILE *foutput, int match)
+{
+  int c;
+
+  putc (match, foutput);
+  c = getc (finput);
+
+  while (c != match)
+    {
+      if (c == EOF)
+       fatal(_("unterminated string at end of file"));
+      if (c == '\n')
+       {
+         warn (_("unterminated string"));
+         ungetc (c, finput);
+         c = match;            /* invent terminator */
+         continue;
+       }
+
+      putc(c, foutput);
+
+      if (c == '\\')
+       {
+         c = getc (finput);
+         if (c == EOF)
+           fatal (_("unterminated string"));
+         putc (c, foutput);
+         if (c == '\n')
+           lineno++;
+       }
+
+      c = getc(finput);
+    }
+
+  putc(c, foutput);
+}
+
 /* After `%guard' is seen in the input file, copy the actual guard
    into the guards file.  If the guard is followed by an action, copy
    that into the actions file.  STACK_OFFSET is the number of values
@@ -1047,38 +1088,7 @@ copy_guard (symbol_list *rule, int stack_offset)
 
        case '\'':
        case '"':
-         match = c;
-         putc(c, fguard);
-         c = getc(finput);
-
-         while (c != match)
-           {
-             if (c == EOF)
-               fatal(_("unterminated string at end of file"));
-             if (c == '\n')
-               {
-                 warn(_("unterminated string"));
-                 ungetc(c, finput);
-                 c = match;            /* invent terminator */
-                 continue;
-               }
-
-             putc(c, fguard);
-
-             if (c == '\\')
-               {
-                 c = getc(finput);
-                 if (c == EOF)
-                   fatal(_("unterminated string"));
-                 putc(c, fguard);
-                 if (c == '\n')
-                   lineno++;
-               }
-
-             c = getc(finput);
-           }
-
-         putc(c, fguard);
+         copy_string (finput, fguard, c);
          break;
 
        case '/':
@@ -1277,38 +1287,7 @@ copy_action (symbol_list *rule, int stack_offset)
 
            case '\'':
            case '"':
-             match = c;
-             putc(c, faction);
-             c = getc(finput);
-
-             while (c != match)
-               {
-                 if (c == '\n')
-                   {
-                     warn(_("unterminated string"));
-                     ungetc(c, finput);
-                     c = match;
-                     continue;
-                   }
-                 else if (c == EOF)
-                   fatal(_("unterminated string at end of file"));
-
-                 putc(c, faction);
-
-                 if (c == '\\')
-                   {
-                     c = getc(finput);
-                     if (c == EOF)
-                       fatal(_("unterminated string"));
-                     putc(c, faction);
-                     if (c == '\n')
-                       lineno++;
-                   }
-
-                 c = getc(finput);
-               }
-
-             putc(c, faction);
+             copy_string (finput, faction, c);
              break;
 
            case '/':