X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fexpressions%2Fpublic.h;h=a4313a40c0aff4750353c2e5fceb5498e4b809bb;hb=339f1956cc72;hp=7fc34c8d923c9dfe96801ad1b3df24f0c98a6279;hpb=480a0746507ce73d26f528b56dc3ed80195096e0;p=pspp
diff --git a/src/language/expressions/public.h b/src/language/expressions/public.h
index 7fc34c8d92..a4313a40c0 100644
--- a/src/language/expressions/public.h
+++ b/src/language/expressions/public.h
@@ -1,47 +1,41 @@
-/* PSPP - computes sample statistics.
+/* PSPP - a program for statistical analysis.
Copyright (C) 1997-9, 2000 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 . */
#if !expr_h
#define expr_h 1
#include
-/* Expression parsing flags. */
-enum expr_type
- {
- EXPR_NUMBER = 0xf000, /* Number. */
- EXPR_STRING, /* String. */
- EXPR_BOOLEAN, /* Boolean (number limited to 0, 1, SYSMIS). */
- };
+#include "data/val-type.h"
+struct ccase;
+struct dataset;
struct dictionary;
struct expression;
-struct ccase;
+struct lexer;
struct pool;
union value;
-struct dataset ;
-struct lexer ;
-
-struct expression *expr_parse (struct lexer *lexer, struct dataset *, enum expr_type);
-struct expression *expr_parse_pool (struct lexer *,
- struct pool *,
- struct dataset *,
- enum expr_type);
+
+struct expression *expr_parse (struct lexer *lexer, struct pool *,
+ struct dataset *, enum val_type);
+struct expression *expr_parse_bool (struct lexer *lexer, struct pool *,
+ struct dataset *);
+struct expression *expr_parse_new_variable (struct lexer *lexer, struct pool *,
+ struct dataset *,
+ const char *new_var_name);
void expr_free (struct expression *);
struct dataset;
@@ -50,4 +44,10 @@ double expr_evaluate_num (struct expression *, const struct ccase *,
void expr_evaluate_str (struct expression *, const struct ccase *,
int case_idx, char *dst, size_t dst_size);
+const struct operation *expr_get_function (size_t idx);
+size_t expr_get_n_functions (void);
+const char *expr_operation_get_name (const struct operation *);
+const char *expr_operation_get_prototype (const struct operation *);
+int expr_operation_get_n_args (const struct operation *);
+
#endif /* expr.h */