X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Flexer%2Flexer.h;h=a6be161fe100ceb5919871b05601f1efd2e03e2f;hb=acb9e3de8a50ad77df80375d90a4a4b526e42c1c;hp=b35ea7f54e05d9da00ffbcc23b18d71ebb174b97;hpb=3b74aa9059aefe4ce82ecab1a5fd48cd251600dc;p=pspp

diff --git a/src/language/lexer/lexer.h b/src/language/lexer/lexer.h
index b35ea7f54e..a6be161fe1 100644
--- a/src/language/lexer/lexer.h
+++ b/src/language/lexer/lexer.h
@@ -20,13 +20,6 @@
 #include <stdbool.h>
 #include <stddef.h>
 
-/* The following #include avoids a potential problem when Gnulib substitutes
- * for close() by putting "#define close rpl_close" into <unistd.h>, by
- * ensuring that every source file that includes this one sees the #define.
- * (It would probably be better to rename the 'close' member of struct
- * lex_reader_class.)  */
-#include <unistd.h>
-
 #include "data/identifier.h"
 #include "data/variable.h"
 #include "libpspp/compiler.h"
@@ -79,7 +72,7 @@ struct lex_reader_class
 
        The caller will free the 'file_name' member of READER, so the
        implementation should not do so. */
-    void (*close) (struct lex_reader *reader);
+    void (*destroy) (struct lex_reader *reader);
   };
 
 /* Helper functions for lex_reader. */
@@ -135,6 +128,7 @@ bool lex_force_int (struct lexer *);
 bool lex_force_num (struct lexer *);
 bool lex_force_id (struct lexer *);
 bool lex_force_string (struct lexer *);
+bool lex_force_string_or_id (struct lexer *);
 
 /* Token accessors. */
 enum token_type lex_token (const struct lexer *);
@@ -162,8 +156,15 @@ void lex_next_error (struct lexer *, int n0, int n1, const char *, ...)
   PRINTF_FORMAT (4, 5);
 int lex_end_of_command (struct lexer *);
 
+void lex_error_expecting (struct lexer *, const char *, ...) SENTINEL(0);
+
 void lex_sbc_only_once (const char *);
-void lex_sbc_missing (struct lexer *, const char *);
+void lex_sbc_missing (const char *);
+
+void lex_spec_only_once (struct lexer *, const char *subcommand,
+                         const char *specification);
+void lex_spec_missing (struct lexer *, const char *subcommand,
+                       const char *specification);
 
 void lex_error_valist (struct lexer *, const char *, va_list)
   PRINTF_FORMAT (2, 0);