\f
#include "libguile/__scm.h"
-#include "smob.h"
\f
*/
SCM stream;
- SCM file_name;
+ SCM file_name; /* debugging support. */
int unchr; /* pushed back character, if any */
- int line_number;
- int column_number;
+ int line_number; /* debugging support. */
+ int column_number; /* debugging support. */
enum scm_port_representation_type representation;
};
extern struct scm_port_table **scm_port_table;
-extern scm_port_table_size; /* Number of ports in scm_port_table. */
+extern int scm_port_table_size; /* Number of ports in scm_port_table. */
\f
/* PORT FLAGS
- * A set of flags caracterizes a port.
+ * A set of flags characterizes a port.
*/
#define SCM_OPN (1L<<16) /* Is the port open? */
#define SCM_RDNG (2L<<16) /* Is it a readable port? */
#define SCM_SETPTAB_ENTRY(x,ent) SCM_SETCDR ((x), (SCM)(ent))
#define SCM_STREAM(x) SCM_PTAB_ENTRY(x)->stream
#define SCM_SETSTREAM(x,s) (SCM_PTAB_ENTRY(x)->stream = s)
+#define SCM_FILENAME(x) SCM_PTAB_ENTRY(x)->file_name
#define SCM_LINUM(x) SCM_PTAB_ENTRY(x)->line_number
#define SCM_COL(x) SCM_PTAB_ENTRY(x)->column_number
#define SCM_REVEALED(x) SCM_PTAB_ENTRY(x)->revealed
#define SCM_INCLINE(port) {SCM_LINUM (port) += 1; SCM_COL (port) = 0;}
#define SCM_INCCOL(port) {SCM_COL (port) += 1;}
-#define SCM_TABCOL(port) {SCM_COL (port) += (SCM_COL (port) + 1) % 8;}
+#define SCM_TABCOL(port) {SCM_COL (port) += 8 - SCM_COL (port) % 8;}
\f
+typedef struct scm_ptobfuns
+{
+ SCM (*mark) SCM_P ((SCM));
+ int (*free) SCM_P ((SCM));
+ int (*print) SCM_P ((SCM exp, SCM port, scm_print_state *pstate));
+ SCM (*equalp) SCM_P ((SCM, SCM));
+ int (*fputc) SCM_P ((int, SCM stream));
+ int (*fputs) SCM_P ((char *, SCM stream));
+ scm_sizet (*fwrite) SCM_P ((char *ptr, scm_sizet size, scm_sizet nitems, SCM stream));
+ int (*fflush) SCM_P ((SCM stream));
+ int (*fgetc) SCM_P ((SCM stream));
+ int (*fclose) SCM_P ((SCM stream));
+} scm_ptobfuns;
+
+#define SCM_PTOBNUM(x) (0x0ff & (SCM_CAR(x)>>8));
+
+\f
+
extern scm_ptobfuns *scm_ptobs;
extern scm_sizet scm_numptob;
extern int scm_port_table_room;
\f
-#ifdef __STDC__
-extern SCM scm_markstream (SCM ptr);
-extern long scm_newptob (scm_ptobfuns *ptob);
-extern void scm_fflush (SCM port);
-extern SCM scm_char_ready_p (SCM port);
-extern SCM scm_ungetc_char_ready_p (SCM port);
-extern SCM scm_current_input_port (void);
-extern SCM scm_current_output_port (void);
-extern SCM scm_current_error_port (void);
-extern SCM scm_set_current_input_port (SCM port);
-extern SCM scm_set_current_output_port (SCM port);
-extern SCM scm_set_current_error_port (SCM port);
-extern struct scm_port_table * scm_add_to_port_table (SCM port);
-extern void scm_remove_from_port_table (SCM port);
-extern SCM scm_pt_size (void);
-extern SCM scm_pt_member (SCM member);
-extern int scm_revealed_count (SCM port);
-extern SCM scm_port_revealed (SCM port);
-extern SCM scm_set_port_revealed_x (SCM port, SCM rcount);
-extern SCM scm_close_port (SCM port);
-extern SCM scm_input_port_p (SCM x);
-extern SCM scm_output_port_p (SCM x);
-extern SCM scm_eof_object_p (SCM x);
-extern SCM scm_force_output (SCM port);
-extern SCM scm_read_char (SCM port);
-extern SCM scm_peek_char (SCM port);
-extern SCM scm_unread_char (SCM cobj, SCM port);
-extern SCM scm_line_number (SCM port);
-extern SCM scm_column_number (SCM port);
-extern SCM scm_port_file_name (SCM port);
-extern void scm_prinport (SCM exp, SCM port, char *type);
-extern void scm_ports_prehistory (void);
-extern SCM scm_void_port (char * mode_str);
-extern SCM scm_sys_make_void_port (SCM mode);
-extern void scm_init_ports (void);
-
-#else /* STDC */
-extern SCM scm_markstream ();
-extern long scm_newptob ();
-extern void scm_fflush ();
-extern SCM scm_char_ready_p ();
-extern SCM scm_ungetc_char_ready_p ();
-extern SCM scm_current_input_port ();
-extern SCM scm_current_output_port ();
-extern SCM scm_current_error_port ();
-extern SCM scm_set_current_input_port ();
-extern SCM scm_set_current_output_port ();
-extern SCM scm_set_current_error_port ();
-extern struct scm_port_table * scm_add_to_port_table ();
-extern void scm_remove_from_port_table ();
-extern SCM scm_pt_size ();
-extern SCM scm_pt_member ();
-extern int scm_revealed_count ();
-extern SCM scm_port_revealed ();
-extern SCM scm_set_port_revealed_x ();
-extern SCM scm_close_port ();
-extern SCM scm_input_port_p ();
-extern SCM scm_output_port_p ();
-extern SCM scm_eof_object_p ();
-extern SCM scm_force_output ();
-extern SCM scm_read_char ();
-extern SCM scm_peek_char ();
-extern SCM scm_unread_char ();
-extern SCM scm_line_number ();
-extern SCM scm_column_number ();
-extern SCM scm_port_file_name ();
-extern void scm_prinport ();
-extern void scm_ports_prehistory ();
-extern SCM scm_void_port ();
-extern SCM scm_sys_make_void_port ();
-extern void scm_init_ports ();
-
-#endif /* STDC */
-
-
-
-
-
-
-
-
-
-
+extern SCM scm_markstream SCM_P ((SCM ptr));
+extern long scm_newptob SCM_P ((scm_ptobfuns *ptob));
+extern void scm_fflush SCM_P ((SCM port));
+extern SCM scm_char_ready_p SCM_P ((SCM port));
+extern SCM scm_ungetc_char_ready_p SCM_P ((SCM port));
+extern SCM scm_current_input_port SCM_P ((void));
+extern SCM scm_current_output_port SCM_P ((void));
+extern SCM scm_current_error_port SCM_P ((void));
+extern SCM scm_set_current_input_port SCM_P ((SCM port));
+extern SCM scm_set_current_output_port SCM_P ((SCM port));
+extern SCM scm_set_current_error_port SCM_P ((SCM port));
+extern struct scm_port_table * scm_add_to_port_table SCM_P ((SCM port));
+extern void scm_remove_from_port_table SCM_P ((SCM port));
+extern SCM scm_pt_size SCM_P ((void));
+extern SCM scm_pt_member SCM_P ((SCM member));
+extern int scm_revealed_count SCM_P ((SCM port));
+extern SCM scm_port_revealed SCM_P ((SCM port));
+extern SCM scm_set_port_revealed_x SCM_P ((SCM port, SCM rcount));
+extern SCM scm_close_port SCM_P ((SCM port));
+extern SCM scm_close_all_ports_except SCM_P ((SCM ports));
+extern SCM scm_input_port_p SCM_P ((SCM x));
+extern SCM scm_output_port_p SCM_P ((SCM x));
+extern SCM scm_eof_object_p SCM_P ((SCM x));
+extern SCM scm_force_output SCM_P ((SCM port));
+extern SCM scm_read_char SCM_P ((SCM port));
+extern SCM scm_peek_char SCM_P ((SCM port));
+extern SCM scm_unread_char SCM_P ((SCM cobj, SCM port));
+extern SCM scm_port_line SCM_P ((SCM port));
+extern SCM scm_port_column SCM_P ((SCM port));
+extern SCM scm_port_filename SCM_P ((SCM port));
+extern SCM scm_set_port_filename_x SCM_P ((SCM port, SCM filename));
+extern void scm_prinport SCM_P ((SCM exp, SCM port, char *type));
+extern void scm_ports_prehistory SCM_P ((void));
+extern SCM scm_void_port SCM_P ((char * mode_str));
+extern SCM scm_sys_make_void_port SCM_P ((SCM mode));
+extern void scm_init_ports SCM_P ((void));
#endif /* PORTSH */
HCoop / bpt / guile.git / blobdiff