X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Flexer%2Fscan.h;h=73f208033b1383001cd5f814f564f2f211523663;hb=78cffcbf683cd66a6717d40854825d731fd4f01d;hp=fdb50801c44c34b8fdeae4181a705d3ad4ea5651;hpb=afdf3096926b561f4e6511c10fcf73fc6796b9d2;p=pspp

diff --git a/src/language/lexer/scan.h b/src/language/lexer/scan.h
index fdb50801c4..73f208033b 100644
--- a/src/language/lexer/scan.h
+++ b/src/language/lexer/scan.h
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 2010, 2011 Free Software Foundation, Inc.
+   Copyright (C) 2010, 2011, 2013 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -89,5 +89,19 @@ enum scan_result
 void scanner_init (struct scanner *, struct token *);
 enum scan_result scanner_push (struct scanner *, enum segment_type,
                                struct substring, struct token *);
+
+/* A simplified lexer for handling syntax in a string. */
+
+struct string_lexer
+  {
+    const char *input;
+    size_t length;
+    size_t offset;
+    struct segmenter segmenter;
+  };
+
+void string_lexer_init (struct string_lexer *, const char *input,
+                        enum segmenter_mode);
+bool string_lexer_next (struct string_lexer *, struct token *);
 
 #endif /* scan.h */