X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Flexer%2Flexer.h;h=53732b49995f5fb60429e96f65e89a61ca108f4c;hb=601e58677703d381b6ace162b3ddb3c53d27f50a;hp=6d91645ce3b075e5ab9f761bcef710a0cbb0ac12;hpb=65e61cc92b48297625bc71cf31b8a19e301eb6c1;p=pspp diff --git a/src/language/lexer/lexer.h b/src/language/lexer/lexer.h index 6d91645ce3..53732b4999 100644 --- a/src/language/lexer/lexer.h +++ b/src/language/lexer/lexer.h @@ -1,21 +1,18 @@ -/* PSPP - computes sample statistics. +/* PSPP - a program for statistical analysis. Copyright (C) 1997-9, 2000 Free Software Foundation, Inc. - Written by Ben Pfaff . - 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 !lexer_h #define lexer_h 1 @@ -33,8 +30,10 @@ struct lexer; 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 *); @@ -48,10 +47,13 @@ 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_id (struct lexer *, const char *); +bool lex_match_id_n (struct lexer *, const char *, size_t n); bool lex_match_int (struct lexer *, int); /* Forcible matching functions. */ @@ -61,17 +63,18 @@ 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); /* 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 *); @@ -79,7 +82,7 @@ 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);