Imported from ../bash-1.14.7.tar.gz.

1996-08-26 18:22:31 +00:00
commit 726f63884d
402 changed files with 150297 additions and 0 deletions
--- a/input.h
+++ b/input.h
@@ -0,0 +1,115 @@
+/* input.h -- Structures and unions used for reading input. */
+/* Copyright (C) 1993 Free Software Foundation, Inc.
+
+   This file is part of GNU Bash, the Bourne Again SHell.
+
+   Bash 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, or (at your option) any later
+   version.
+
+   Bash 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 Bash; see the file COPYING.  If not, write to the Free Software
+   Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#if !defined (_INPUT_H)
+#define _INPUT_H
+
+#include "stdc.h"
+
+/* Function pointers can be declared as (Function *)foo. */
+#if !defined (__FUNCTION_DEF)
+#  define __FUNCTION_DEF
+typedef int Function ();
+typedef void VFunction ();
+typedef char *CPFunction ();
+typedef char **CPPFunction ();
+#endif /* _FUNCTION_DEF */
+
+/* Some stream `types'. */
+#define st_none   0
+#define st_stream 1
+#define st_string 2
+#define st_stdin  3
+
+#if defined (BUFFERED_INPUT)
+#define st_bstream 4
+
+/* Possible values for b_flag. */
+#define B_EOF		0x1
+#define B_ERROR		0x2
+#define B_UNBUFF	0x4
+
+/* A buffered stream.  Like a FILE *, but with our own buffering and
+   synchronization.  Look in input.c for the implementation. */
+typedef struct BSTREAM
+{
+  int	b_fd;
+  char	*b_buffer;		/* The buffer that holds characters read. */
+  int	b_size;			/* How big the buffer is. */
+  int	b_used;			/* How much of the buffer we're using, */
+  int	b_flag;			/* Flag values. */
+  int	b_inputp;		/* The input pointer, index into b_buffer. */
+} BUFFERED_STREAM;
+
+extern BUFFERED_STREAM **buffers;
+
+extern BUFFERED_STREAM *fd_to_buffered_stream ();
+
+extern int default_buffered_input;
+
+#endif /* BUFFERED_INPUT */
+
+typedef union {
+  FILE *file;
+  char *string;
+#if defined (BUFFERED_INPUT)
+  int buffered_fd;
+#endif
+} INPUT_STREAM;
+
+typedef struct {
+  int type;
+  char *name;
+  INPUT_STREAM location;
+  Function *getter;
+  Function *ungetter;
+} BASH_INPUT;
+
+extern BASH_INPUT bash_input;
+
+/* Functions from parse.y. */
+extern void initialize_bash_input __P((void));
+extern void init_yy_io __P((Function *, Function *, int, char *, INPUT_STREAM));
+extern void with_input_from_stdin __P((void));
+extern void with_input_from_string __P((char *, char *));
+extern void with_input_from_stream __P((FILE *, char *));
+extern int push_stream __P((void));
+extern int pop_stream __P((void));
+extern char *read_secondary_line __P((int));
+extern int find_reserved_word __P((char *));
+extern char *decode_prompt_string __P((char *));
+extern void gather_here_documents __P((void));
+extern void execute_prompt_command __P((char *));
+
+#if defined (BUFFERED_INPUT)
+/* Functions from input.c. */
+extern int check_bash_input __P((int));
+extern int duplicate_buffered_stream __P((int, int));
+extern BUFFERED_STREAM *fd_to_buffered_stream __P((int));
+extern BUFFERED_STREAM *open_buffered_stream __P((char *));
+extern void free_buffered_stream __P((BUFFERED_STREAM *));
+extern int close_buffered_stream __P((BUFFERED_STREAM *));
+extern int close_buffered_fd __P((int));
+extern int sync_buffered_stream __P((int));
+extern int buffered_getchar __P((void));
+extern int buffered_ungetchar __P((int));
+extern void with_input_from_buffered_stream __P((int, char *));
+#endif /* BUFFERED_INPUT */
+
+#endif /* _INPUT_H */