#include <stdbool.h>
#include <libpspp/ll.h>
-struct string;
+struct string;
struct getl_source;
/* Syntax rules that apply to a given source line. */
-enum getl_syntax
+enum getl_syntax
{
/* Each line that begins in column 1 starts a new command. A
`+' or `-' in column 1 is ignored to allow visual
GETL_INTERACTIVE
};
-/* An abstract base class for objects which act as line buffers for the
+/* 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
+struct getl_interface
{
/* Returns true if the interface is interactive, that is, if
it prompts a human user. This property is independent of
the syntax mode returned by the read member function. */
- bool (*interactive) (const struct getl_interface *);
+ bool (*interactive) (const struct getl_interface *);
/* Read a line the intended syntax mode from the interface.
Returns true if succesful, false on failure or at end of
int (*location) (const struct getl_interface *);
};
-void getl_initialize (void);
-void getl_uninitialize (void);
+struct source_stream;
-void getl_clear_include_path (void);
-void getl_add_include_dir (const char *);
-const char * getl_include_path (void);
+struct source_stream * create_source_stream (void);
+void destroy_source_stream (struct source_stream *);
-void getl_abort_noninteractive (void);
-bool getl_is_interactive (void);
+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 *);
-bool getl_read_line (bool *interactive);
+void getl_abort_noninteractive (struct source_stream *);
+bool getl_is_interactive (const struct source_stream *);
-bool do_read_line (struct string *line, enum getl_syntax *syntax);
+bool getl_read_line (struct source_stream *, struct string *,
+ enum getl_syntax *);
-void getl_append_source (struct getl_interface *s) ;
-void getl_include_source (struct getl_interface *s) ;
+void getl_append_source (struct source_stream *, struct getl_interface *s) ;
+void getl_include_source (struct source_stream *, struct getl_interface *s) ;
-const char * getl_source_name (void);
-int getl_source_location (void);
+const char * getl_source_name (const struct source_stream *);
+int getl_source_location (const struct source_stream *);
#endif /* line-buffer.h */