Added new files resulting from directory restructuring.

[pspp] / src / lexer.h

diff --git a/src/lexer.h b/src/lexer.h
index cf7451582106aa3ef066d0bf4db216e637b4c3e6..0880773390dece125d26d5bfed42a5047e65fa4f 100644 (file)
--- a/src/lexer.h
+++ b/src/lexer.h
@@ -14,81 +14,42 @@
 
    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., 59 Temple Place - Suite 330, Boston, MA
-   02111-1307, USA. */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA. */
 
 #if !lexer_h
 #define lexer_h 1
 
-/* Returns nonzero if character CH may be the first character in an
-   identifier. */
-#define CHAR_IS_ID1(CH)                                \
-       (isalpha ((unsigned char) (CH))         \
-        || (CH) == '@'                         \
-        || (CH) == '#'                         \
-        || (CH) == '$')
-
-/* Returns nonzero if character CH may be a character in an
-   identifier other than the first. */
-#define CHAR_IS_IDN(CH)                                \
-       (CHAR_IS_ID1 (CH)                       \
-         || isdigit ((unsigned char) (CH))     \
-        || (CH) == '.'                         \
-        || (CH) == '_')
-
-/* Token types. */
-/* The order of the enumerals below is important.  Do not change it. */
-enum
-  {
-    T_ID = 256, /* Identifier. */
-    T_NUM,     /* Number. */
-    T_STRING,  /* Quoted string. */
-    T_STOP,    /* End of input. */
-
-    T_AND,     /* AND */
-    T_OR,      /* OR */
-    T_NOT,     /* NOT */
-
-    T_EQ,      /* EQ */
-    T_GE,      /* GE or >= */
-    T_GT,      /* GT or > */
-    T_LE,      /* LE or <= */
-    T_LT,      /* LT or < */
-    T_NE,      /* NE or ~= */
-
-    T_ALL,     /* ALL */
-    T_BY,      /* BY */
-    T_TO,      /* TO */
-    T_WITH,    /* WITH */
-
-    T_EXP,     /* ** */
-
-    T_FIRST_KEYWORD = T_AND,
-    T_LAST_KEYWORD = T_WITH,
-    T_N_KEYWORDS = T_LAST_KEYWORD - T_FIRST_KEYWORD + 1,
-  };
+#include "var.h"
+#include <ctype.h>
+#include <stdbool.h>
+
+#include "lex-def.h"
 
 
 extern int token;
 extern double tokval;
-extern char tokid[9];
+extern char tokid[LONG_NAME_LEN + 1];
 extern struct string tokstr;
 
 #include <stddef.h>
 
 /* Initialization. */
 void lex_init (void);
+void lex_done (void);
 
 /* Common functions. */
 void lex_get (void);
 void lex_error (const char *, ...);
+void lex_sbc_only_once (const char *);
+void lex_sbc_missing (const char *);
 int lex_end_of_command (void);
 
 /* Token testing functions. */
-int lex_integer_p (void);
+bool lex_is_number (void);
+double lex_number (void);
+bool lex_is_integer (void);
 long lex_integer (void);
-int lex_double_p (void);
-double lex_double (void);
 
 /* Token matching functions. */
 int lex_match (int);
@@ -102,20 +63,15 @@ int lex_force_int (void);
 int lex_force_num (void);
 int lex_force_id (void);
 int lex_force_string (void);
-
-/* Comparing identifiers. */
-int lex_id_match_len (const char *keyword_string, size_t keyword_len,
-                     const char *token_string, size_t token_len);
-int lex_id_match (const char *keyword_string, const char *token_string);
        
 /* Weird token functions. */
 int lex_look_ahead (void);
 void lex_put_back (int);
-void lex_put_forward (int);
+void lex_put_back_id (const char *tokid);
 
 /* Weird line processing functions. */
-char *lex_entire_line (void);
-char *lex_rest_of_line (int *had_dot);
+const char *lex_entire_line (void);
+const char *lex_rest_of_line (int *end_dot);
 void lex_discard_line (void);
 void lex_set_prog (char *p);