lexer: Remove unused function lex_put_back_id().

[pspp-builds.git] / src / language / lexer / lexer.h

diff --git a/src/language/lexer/lexer.h b/src/language/lexer/lexer.h
index 509173d9f8a5a6f575346197657bcc2b3f6331d5..1abefb6b623fb30acc42ca4c05a6da27227bd8ce 100644 (file)
--- a/src/language/lexer/lexer.h
+++ b/src/language/lexer/lexer.h
@@ -1,21 +1,18 @@
-/* PSPP - computes sample statistics.
-   Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
-   Written by Ben Pfaff <blp@gnu.org>.
+/* PSPP - a program for statistical analysis.
+   Copyright (C) 1997-9, 2000, 2010 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 the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
 
-   This program is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   General Public License for more details.
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-   02110-1301, USA. */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
 #if !lexer_h
 #define lexer_h 1
@@ -30,11 +27,13 @@
 struct lexer;
 
 /* Initialization. */
-struct lexer * lex_create (bool (*)(struct string *, enum getl_syntax *));
+struct lexer * lex_create (struct source_stream *);
 void lex_destroy (struct lexer *);
 
-
-
+/* State accessors */
+struct source_stream * lex_get_source_stream (const struct lexer *);
+enum syntax_mode lex_current_syntax_mode (const struct lexer *);
+enum error_mode lex_current_error_mode (const struct lexer *);
 
 /* Common functions. */
 void lex_get (struct lexer *);
@@ -48,30 +47,35 @@ bool lex_is_number (struct lexer *);
 double lex_number (struct lexer *);
 bool lex_is_integer (struct lexer *);
 long lex_integer (struct lexer *);
+bool lex_is_string (struct lexer *);
+
 
 /* Token matching functions. */
-bool lex_match (struct lexer *, int);
+bool lex_match (struct lexer *, enum token_type);
 bool lex_match_id (struct lexer *, const char *);
+bool lex_match_id_n (struct lexer *, const char *, size_t n);
 bool lex_match_int (struct lexer *, int);
+bool lex_match_hyphenated_word (struct lexer *lexer, const char *s);
+
 
 /* Forcible matching functions. */
-bool lex_force_match (struct lexer *, int);
+bool lex_force_match (struct lexer *, enum token_type);
 bool lex_force_match_id (struct lexer *, const char *);
 bool lex_force_int (struct lexer *);
 bool lex_force_num (struct lexer *);
 bool lex_force_id (struct lexer *);
 bool lex_force_string (struct lexer *);
-       
+
 /* Weird token functions. */
-int lex_look_ahead (struct lexer *);
-void lex_put_back (struct lexer *, int);
-void lex_put_back_id (struct lexer *, const char *tokid);
+enum token_type lex_look_ahead (struct lexer *);
+void lex_put_back (struct lexer *, enum token_type);
 
 /* Weird line processing functions. */
-const char *lex_entire_line (struct lexer *);
-const struct string *lex_entire_line_ds (struct lexer *);
-const char *lex_rest_of_line (struct lexer *, int *end_dot);
-void lex_preprocess_line (struct string *, enum getl_syntax,
+const char *lex_entire_line (const struct lexer *);
+const struct string *lex_entire_line_ds (const struct lexer *);
+const char *lex_rest_of_line (const struct lexer *);
+bool lex_end_dot (const struct lexer *);
+void lex_preprocess_line (struct string *, enum syntax_mode,
                           bool *line_starts_command,
                           bool *line_ends_command);
 void lex_discard_line (struct lexer *);
@@ -79,21 +83,19 @@ void lex_discard_rest_of_command (struct lexer *);
 
 /* Weird line reading functions. */
 bool lex_get_line (struct lexer *);
-bool lex_get_line_raw (struct lexer *, enum getl_syntax *);
+bool lex_get_line_raw (struct lexer *);
 
 /* Token names. */
-const char *lex_token_name (int);
+const char *lex_token_name (enum token_type);
 char *lex_token_representation (struct lexer *);
 
 /* Token accessors */
-int lex_token (const struct lexer *);
+enum token_type lex_token (const struct lexer *);
 double lex_tokval (const struct lexer *);
-const char *lex_tokid (const struct lexer *);
-const struct string *lex_tokstr (const struct lexer *);
+const char *lex_tokcstr (const struct lexer *);
+struct substring lex_tokss (const struct lexer *);
 
 /* Really weird functions. */
-void lex_negative_to_dash (struct lexer *);
-void lex_reset_eof (struct lexer *);
 void lex_skip_comment (struct lexer *);
 
 #endif /* !lexer_h */