X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flibpspp%2Fgetl.h;h=c7d0967f0feef57906a9d53845c4e087b7229832;hb=afdf3096926b561f4e6511c10fcf73fc6796b9d2;hp=f0b8585f3d6c8ed040847c8564794dc78fa5454e;hpb=897cec8000d45a5afc618fdb9e8fdd597c7b81ba;p=pspp-builds.git diff --git a/src/libpspp/getl.h b/src/libpspp/getl.h index f0b8585f..c7d0967f 100644 --- a/src/libpspp/getl.h +++ b/src/libpspp/getl.h @@ -1,34 +1,31 @@ -/* PSPP - computes sample statistics. - Copyright (C) 1997-9, 2000, 2006 Free Software Foundation, Inc. - Written by Ben Pfaff . +/* PSPP - a program for statistical analysis. + Copyright (C) 1997-9, 2000, 2006, 2010, 2011 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 . */ #ifndef GETL_H #define GETL_H 1 #include -#include +#include "libpspp/ll.h" struct string; struct getl_source; /* Syntax rules that apply to a given source line. */ -enum getl_syntax +enum syntax_mode { /* Each line that begins in column 1 starts a new command. A `+' or `-' in column 1 is ignored to allow visual @@ -41,6 +38,16 @@ enum getl_syntax GETL_INTERACTIVE }; +enum error_mode + { + /* When errors are encountered, report the error and continue to + the next command. */ + ERRMODE_CONTINUE, + + /* When errors are encountered, abort the current stream. */ + ERRMODE_STOP + }; + /* An abstract base class for objects which act as line buffers for the PSPP. Ie anything which might contain content for the lexer */ struct getl_interface @@ -54,7 +61,7 @@ struct getl_interface Returns true if succesful, false on failure or at end of input. */ bool (*read) (struct getl_interface *, - struct string *, enum getl_syntax *); + struct string *); /* Close and destroy the interface */ void (*close) (struct getl_interface *); @@ -62,7 +69,7 @@ struct getl_interface /* Filter for current and all included sources, which may modify the line. Usually null. */ void (*filter) (struct getl_interface *, - struct string *line, enum getl_syntax); + struct string *line); /* Returns the name of the source */ const char * (*name) (const struct getl_interface *); @@ -73,21 +80,32 @@ struct getl_interface struct source_stream; -struct source_stream * create_source_stream (const char *); +struct source_stream *create_source_stream (void); + +enum syntax_mode source_stream_current_syntax_mode + (const struct source_stream *); + + +enum error_mode source_stream_current_error_mode + (const struct source_stream *); + + void destroy_source_stream (struct source_stream *); void getl_clear_include_path (struct source_stream *); void getl_add_include_dir (struct source_stream *, const char *); -const char * getl_include_path (const struct source_stream *); +char **getl_include_path (const struct source_stream *); void getl_abort_noninteractive (struct source_stream *); bool getl_is_interactive (const struct source_stream *); -bool getl_read_line (struct source_stream *, struct string *, - enum getl_syntax *); +bool getl_read_line (struct source_stream *, struct string *); + +void getl_append_source (struct source_stream *, struct getl_interface *s, + enum syntax_mode, enum error_mode) ; -void getl_append_source (struct source_stream *, struct getl_interface *s) ; -void getl_include_source (struct source_stream *, struct getl_interface *s) ; +void getl_include_source (struct source_stream *, struct getl_interface *s, + enum syntax_mode, enum error_mode) ; const char * getl_source_name (const struct source_stream *); int getl_source_location (const struct source_stream *);