X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flibpspp%2Fgetl.h;h=c0399377982bf556ce588cabfcdf0b4cdd1e571e;hb=68f08c4bb53fcde16035b622bdb6e9529f9cf3ae;hp=26c0649cfe8da63c5f1a7704892a2356af0fc95e;hpb=cd4f5bfade86b443d1ec355c2dd8be205846b32f;p=pspp-builds.git diff --git a/src/libpspp/getl.h b/src/libpspp/getl.h index 26c0649c..c0399377 100644 --- a/src/libpspp/getl.h +++ b/src/libpspp/getl.h @@ -25,7 +25,7 @@ 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 @@ -38,6 +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 @@ -51,7 +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 *); @@ -59,7 +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 *); @@ -71,6 +81,15 @@ struct getl_interface struct source_stream; struct source_stream * create_source_stream (const char *); + +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 *); @@ -80,11 +99,13 @@ const 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 *);