/* chew
- Copyright (C) 1990-1991 Free Software Foundation, Inc.
+ Copyright (C) 1990-2021 Free Software Foundation, Inc.
Contributed by steve chamberlain @cygnus
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ 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. */
-/*
- Yet another way of extracting documentation from source.
- No, I haven't finished it yet, but I hope you people like it better
- that the old way
-
- sac
+/* Yet another way of extracting documentation from source.
+ No, I haven't finished it yet, but I hope you people like it better
+ than the old way
-Basically, this is a sort of string forth, maybe we should call it
-struth?
+ sac
-You define new words thus:
-: <newword> <oldwords> ;
-There is no
-
-*/
+ Basically, this is a sort of string forth, maybe we should call it
+ struth?
+ You define new words thus:
+ : <newword> <oldwords> ;
+*/
-#include <ansidecl.h>
-#include "sysdep.h"
+/* Primitives provided by the program:
+
+ Two stacks are provided, a string stack and an integer stack.
+
+ Internal state variables:
+ internal_wanted - indicates whether `-i' was passed
+ internal_mode - user-settable
+
+ Commands:
+ push_text
+ ! - pop top of integer stack for address, pop next for value; store
+ @ - treat value on integer stack as the address of an integer; push
+ that integer on the integer stack after popping the "address"
+ hello - print "hello\n" to stdout
+ stdout - put stdout marker on TOS
+ stderr - put stderr marker on TOS
+ print - print TOS-1 on TOS (eg: "hello\n" stdout print)
+ skip_past_newline
+ catstr - fn icatstr
+ copy_past_newline - append input, up to and including newline into TOS
+ dup - fn other_dup
+ drop - discard TOS
+ idrop - ditto
+ remchar - delete last character from TOS
+ get_stuff_in_command
+ do_fancy_stuff - translate <<foo>> to @code{foo} in TOS
+ bulletize - if "o" lines found, prepend @itemize @bullet to TOS
+ and @item to each "o" line; append @end itemize
+ courierize - put @example around . and | lines, translate {* *} { }
+ exit - fn chew_exit
+ swap
+ outputdots - strip out lines without leading dots
+ paramstuff - convert full declaration into "PARAMS" form if not already
+ maybecatstr - do catstr if internal_mode == internal_wanted, discard
+ value in any case
+ translatecomments - turn {* and *} into comment delimiters
+ kill_bogus_lines - get rid of extra newlines
+ indent
+ internalmode - pop from integer stack, set `internalmode' to that value
+ print_stack_level - print current stack depth to stderr
+ strip_trailing_newlines - go ahead, guess...
+ [quoted string] - push string onto string stack
+ [word starting with digit] - push atol(str) onto integer stack
+
+ A command must be all upper-case, and alone on a line.
+
+ Foo. */
+
+#include "ansidecl.h"
+#include <assert.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
#define DEF_SIZE 5000
#define STACK 50
int warning;
+/* Here is a string type ... */
-/* Here is a string type ... */
-
-typedef struct buffer
+typedef struct buffer
{
- char *ptr;
- unsigned int write_idx;
- unsigned int size;
+ char *ptr;
+ unsigned long write_idx;
+ unsigned long size;
} string_type;
+#ifdef __STDC__
+static void init_string_with_size (string_type *, unsigned int);
+static void init_string (string_type *);
+static int find (string_type *, char *);
+static void write_buffer (string_type *, FILE *);
+static void delete_string (string_type *);
+static char *addr (string_type *, unsigned int);
+static char at (string_type *, unsigned int);
+static void catchar (string_type *, int);
+static void overwrite_string (string_type *, string_type *);
+static void catbuf (string_type *, char *, unsigned int);
+static void cattext (string_type *, char *);
+static void catstr (string_type *, string_type *);
+static void die (char *);
+#endif
-
-
-
-
-
-static void DEFUN(init_string_with_size,(buffer, size),
- string_type *buffer AND
- unsigned int size )
+static void
+init_string_with_size (buffer, size)
+ string_type *buffer;
+ unsigned int size;
{
- buffer->write_idx = 0;
- buffer->size = size;
- buffer->ptr = malloc(size);
+ buffer->write_idx = 0;
+ buffer->size = size;
+ buffer->ptr = (char *) malloc (size);
}
-static void DEFUN(init_string,(buffer),
- string_type *buffer)
+static void
+init_string (buffer)
+ string_type *buffer;
{
- init_string_with_size(buffer, DEF_SIZE);
-
+ init_string_with_size (buffer, DEF_SIZE);
}
-static int DEFUN(find, (str, what),
- string_type *str AND
- char *what)
+static int
+find (str, what)
+ string_type *str;
+ char *what;
{
- unsigned int i;
- char *p;
- p = what;
- for (i = 0; i < str->write_idx && *p; i++)
+ unsigned int i;
+ char *p;
+ p = what;
+ for (i = 0; i < str->write_idx && *p; i++)
{
- if (*p == str->ptr[i])
- p++;
- else
- p = what;
+ if (*p == str->ptr[i])
+ p++;
+ else
+ p = what;
}
- return (*p == 0);
-
+ return (*p == 0);
}
-static void DEFUN(write_buffer,(buffer),
- string_type *buffer)
+static void
+write_buffer (buffer, f)
+ string_type *buffer;
+ FILE *f;
{
- fwrite(buffer->ptr, buffer->write_idx, 1, stdout);
+ if (buffer->write_idx != 0
+ && fwrite (buffer->ptr, buffer->write_idx, 1, f) != 1)
+ die ("cannot write output");
}
-
-static void DEFUN(delete_string,(buffer),
- string_type *buffer)
+static void
+delete_string (buffer)
+ string_type *buffer;
{
- free(buffer->ptr);
+ free (buffer->ptr);
+ buffer->ptr = NULL;
}
-
-static char *DEFUN(addr, (buffer, idx),
- string_type *buffer AND
- unsigned int idx)
+static char *
+addr (buffer, idx)
+ string_type *buffer;
+ unsigned int idx;
{
- return buffer->ptr + idx;
+ return buffer->ptr + idx;
}
-static char DEFUN(at,(buffer, pos),
- string_type *buffer AND
- unsigned int pos)
+static char
+at (buffer, pos)
+ string_type *buffer;
+ unsigned int pos;
{
- if ( pos >= buffer->write_idx)
- {
- return 0;
- }
- return buffer->ptr[pos];
+ if (pos >= buffer->write_idx)
+ return 0;
+ return buffer->ptr[pos];
}
-static void DEFUN(catchar,(buffer, ch),
- string_type *buffer AND
- char ch)
+static void
+catchar (buffer, ch)
+ string_type *buffer;
+ int ch;
{
- if (buffer->write_idx == buffer->size)
+ if (buffer->write_idx == buffer->size)
{
- buffer->size *=2;
- buffer->ptr = realloc(buffer->ptr, buffer->size);
+ buffer->size *= 2;
+ buffer->ptr = (char *) realloc (buffer->ptr, buffer->size);
}
- buffer->ptr[buffer->write_idx ++ ] = ch;
+ buffer->ptr[buffer->write_idx++] = ch;
}
-
-static void DEFUN(overwrite_string,(dst, src),
- string_type *dst AND
- string_type *src)
+static void
+overwrite_string (dst, src)
+ string_type *dst;
+ string_type *src;
{
- free(dst->ptr);
- dst->size = src->size;
- dst->write_idx = src->write_idx;
- dst->ptr = src->ptr;
+ free (dst->ptr);
+ dst->size = src->size;
+ dst->write_idx = src->write_idx;
+ dst->ptr = src->ptr;
}
-static void DEFUN(catstr,(dst, src),
- string_type *dst AND
- string_type *src)
+static void
+catbuf (buffer, buf, len)
+ string_type *buffer;
+ char *buf;
+ unsigned int len;
{
- unsigned int i;
- for (i = 0; i < src->write_idx; i++)
+ if (buffer->write_idx + len >= buffer->size)
{
- catchar(dst, src->ptr[i]);
+ while (buffer->write_idx + len >= buffer->size)
+ buffer->size *= 2;
+ buffer->ptr = (char *) realloc (buffer->ptr, buffer->size);
}
+ memcpy (buffer->ptr + buffer->write_idx, buf, len);
+ buffer->write_idx += len;
}
-
-static void DEFUN(cattext,(buffer, string),
- string_type *buffer AND
- char *string)
+static void
+cattext (buffer, string)
+ string_type *buffer;
+ char *string;
{
-
- while (*string)
- {
- catchar(buffer, *string);
- string++;
- }
+ catbuf (buffer, string, (unsigned int) strlen (string));
}
-static void DEFUN(catbuf,(buffer, buf, len),
- string_type *buffer AND
- char *buf AND
- unsigned int len)
+static void
+catstr (dst, src)
+ string_type *dst;
+ string_type *src;
{
-
- while (len--)
- {
- catchar(buffer, *buf);
- buf++;
- }
+ catbuf (dst, src->ptr, src->write_idx);
}
-
-
-static unsigned int
-DEFUN(skip_white_and_stars,(src, idx),
- string_type *src AND
- unsigned int idx)
+static unsigned int
+skip_white_and_stars (src, idx)
+ string_type *src;
+ unsigned int idx;
{
- while (isspace(at(src,idx))
- || (at(src,idx) == '*' && at(src,idx +1) !='/'))
- idx++;
- return idx;
-
+ char c;
+ while ((c = at (src, idx)),
+ isspace ((unsigned char) c)
+ || (c == '*'
+ /* Don't skip past end-of-comment or star as first
+ character on its line. */
+ && at (src, idx +1) != '/'
+ && at (src, idx -1) != '\n'))
+ idx++;
+ return idx;
+}
+static unsigned int
+skip_past_newline_1 (ptr, idx)
+ string_type *ptr;
+ unsigned int idx;
+{
+ while (at (ptr, idx)
+ && at (ptr, idx) != '\n')
+ idx++;
+ if (at (ptr, idx) == '\n')
+ return idx + 1;
+ return idx;
}
-/***********************************************************************/
+/***********************************************************************/
string_type stack[STACK];
string_type *tos;
stinst_type *pc;
stinst_type sstack[STACK];
stinst_type *ssp = &sstack[0];
-int istack[STACK];
-int *isp = &istack[0];
+long istack[STACK];
+long *isp = &istack[0];
typedef int *word_type;
-
-
struct dict_struct
{
- char *word;
- struct dict_struct *next;
- stinst_type *code;
- int code_length;
- int code_end;
- int var;
-
+ char *word;
+ struct dict_struct *next;
+ stinst_type *code;
+ int code_length;
+ int code_end;
+ int var;
};
+
typedef struct dict_struct dict_type;
-#define WORD(x) static void x()
-static void DEFUN(exec,(word),
- dict_type *word)
+static void
+die (msg)
+ char *msg;
{
- pc = word->code;
- while (*pc)
- {
- (*pc)();
- }
-
+ fprintf (stderr, "%s\n", msg);
+ exit (1);
}
-WORD(call)
+
+static void
+check_range ()
{
-stinst_type *oldpc = pc;
- dict_type *e;
- e = (dict_type *)(pc [1]);
- exec(e);
- pc = oldpc + 2;
-
+ if (tos < stack)
+ die ("underflow in string stack");
+ if (tos >= stack + STACK)
+ die ("overflow in string stack");
}
-WORD(remchar)
+static void
+icheck_range ()
{
- tos->write_idx--;
- pc++;
-
+ if (isp < istack)
+ die ("underflow in integer stack");
+ if (isp >= istack + STACK)
+ die ("overflow in integer stack");
}
-WORD(push_number)
+#ifdef __STDC__
+static void exec (dict_type *);
+static void call (void);
+static void remchar (void), strip_trailing_newlines (void), push_number (void);
+static void push_text (void);
+static void remove_noncomments (string_type *, string_type *);
+static void print_stack_level (void);
+static void paramstuff (void), translatecomments (void);
+static void outputdots (void), courierize (void), bulletize (void);
+static void do_fancy_stuff (void);
+static int iscommand (string_type *, unsigned int);
+static int copy_past_newline (string_type *, unsigned int, string_type *);
+static void icopy_past_newline (void), kill_bogus_lines (void), indent (void);
+static void get_stuff_in_command (void), swap (void), other_dup (void);
+static void drop (void), idrop (void);
+static void icatstr (void), skip_past_newline (void), internalmode (void);
+static void maybecatstr (void);
+static char *nextword (char *, char **);
+dict_type *lookup_word (char *);
+static void perform (void);
+dict_type *newentry (char *);
+unsigned int add_to_definition (dict_type *, stinst_type);
+void add_intrinsic (char *, void (*)());
+void add_var (char *);
+void compile (char *);
+static void bang (void);
+static void atsign (void);
+static void hello (void);
+static void stdout_ (void);
+static void stderr_ (void);
+static void print (void);
+static void read_in (string_type *, FILE *);
+static void usage (void);
+static void chew_exit (void);
+#endif
+
+static void
+exec (word)
+ dict_type *word;
{
- isp++;
- pc++;
- *isp = (int)(*pc);
- pc++;
-
+ pc = word->code;
+ while (*pc)
+ (*pc) ();
}
+static void
+call ()
+{
+ stinst_type *oldpc = pc;
+ dict_type *e;
+ e = (dict_type *) (pc[1]);
+ exec (e);
+ pc = oldpc + 2;
+}
+static void
+remchar ()
+{
+ if (tos->write_idx)
+ tos->write_idx--;
+ pc++;
+}
+static void
+strip_trailing_newlines ()
+{
+ while ((isspace ((unsigned char) at (tos, tos->write_idx - 1))
+ || at (tos, tos->write_idx - 1) == '\n')
+ && tos->write_idx > 0)
+ tos->write_idx--;
+ pc++;
+}
-WORD(push_text)
+static void
+push_number ()
{
-
- tos++;
- init_string(tos);
- pc++;
- cattext(tos,*((char **)pc));
- pc++;
-
+ isp++;
+ icheck_range ();
+ pc++;
+ *isp = (long) (*pc);
+ pc++;
}
+static void
+push_text ()
+{
+ tos++;
+ check_range ();
+ init_string (tos);
+ pc++;
+ cattext (tos, *((char **) pc));
+ pc++;
+}
-
/* This function removes everything not inside comments starting on
the first char of the line from the string, also when copying
- comments, removes blank space and leading *'s
- Blank lines are turned into one blank line
- */
+ comments, removes blank space and leading *'s.
+ Blank lines are turned into one blank line. */
-static void
-DEFUN(remove_noncomments,(src,dst),
- string_type *src AND
- string_type *dst)
+static void
+remove_noncomments (src, dst)
+ string_type *src;
+ string_type *dst;
{
- unsigned int idx = 0;
-
- while (at(src,idx))
+ unsigned int idx = 0;
+
+ while (at (src, idx))
{
- /* Now see if we have a comment at the start of the line */
- if (at(src,idx) == '\n'
- && at(src,idx+1) == '/'
- && at(src,idx+2) == '*')
+ /* Now see if we have a comment at the start of the line. */
+ if (at (src, idx) == '\n'
+ && at (src, idx + 1) == '/'
+ && at (src, idx + 2) == '*')
{
- idx+=3;
-
- idx = skip_white_and_stars(src,idx);
-
- /* Remove leading dot */
- if (at(src, idx) == '.')
- idx++;
-
- /* Copy to the end of the line, or till the end of the
- comment */
- while (at(src, idx))
+ idx += 3;
+
+ idx = skip_white_and_stars (src, idx);
+
+ /* Remove leading dot */
+ if (at (src, idx) == '.')
+ idx++;
+
+ /* Copy to the end of the line, or till the end of the
+ comment. */
+ while (at (src, idx))
{
- if (at(src, idx) == '\n')
+ if (at (src, idx) == '\n')
{
- /* end of line, echo and scrape of leading blanks */
- if (at(src,idx +1) == '\n')
- catchar(dst,'\n');
- catchar(dst,'\n');
- idx++;
- idx = skip_white_and_stars(src, idx);
+ /* end of line, echo and scrape of leading blanks */
+ if (at (src, idx + 1) == '\n')
+ catchar (dst, '\n');
+ catchar (dst, '\n');
+ idx++;
+ idx = skip_white_and_stars (src, idx);
}
- else if (at(src, idx) == '*' && at(src,idx+1) == '/')
+ else if (at (src, idx) == '*' && at (src, idx + 1) == '/')
{
- idx +=2 ;
- cattext(dst,"\nENDDD\n");
- break;
+ idx += 2;
+ cattext (dst, "\nENDDD\n");
+ break;
}
- else
+ else
{
- catchar(dst, at(src, idx));
- idx++;
+ catchar (dst, at (src, idx));
+ idx++;
}
}
}
- else idx++;
+ else
+ idx++;
}
}
-/* turn foobar name(stuff); into foobar EXFUN(name,(stuff));
+static void
+print_stack_level ()
+{
+ fprintf (stderr, "current string stack depth = %ld, ",
+ (long) (tos - stack));
+ fprintf (stderr, "current integer stack depth = %ld\n",
+ (long) (isp - istack));
+ pc++;
+}
+
+/* turn:
+ foobar name(stuff);
+ into:
+ foobar
+ name PARAMS ((stuff));
+ and a blank line.
*/
static void
-DEFUN_VOID(exfunstuff)
-{
- unsigned int openp;
- unsigned int fname;
- unsigned int idx;
- string_type out;
- init_string(&out);
-
-
- /* make sure that it's not already exfuned */
- if(find(tos,"EXFUN") || find(tos,"PROTO") || !find(tos,"(")) {
- catstr(&out,tos);
- }
- else
+paramstuff ()
+{
+ unsigned int openp;
+ unsigned int fname;
+ unsigned int idx;
+ unsigned int len;
+ string_type out;
+ init_string (&out);
+
+#define NO_PARAMS 1
+
+ /* Make sure that it's not already param'd or proto'd. */
+ if (NO_PARAMS
+ || find (tos, "PARAMS") || find (tos, "PROTO") || !find (tos, "("))
{
-
- /*Find the open paren*/
- for (openp = 0; at(tos, openp) != '(' && at(tos,openp); openp++)
- ;
-
- fname = openp;
- /* Step back to the fname */
+ catstr (&out, tos);
+ }
+ else
+ {
+ /* Find the open paren. */
+ for (openp = 0; at (tos, openp) != '(' && at (tos, openp); openp++)
+ ;
+
+ fname = openp;
+ /* Step back to the fname. */
+ fname--;
+ while (fname && isspace ((unsigned char) at (tos, fname)))
fname--;
- while (fname && isspace(at(tos, fname)))
- fname --;
- while (fname && !isspace(at(tos,fname)) && at(tos,fname) != '*')
- fname--;
-
- fname++;
-
- for (idx = 0; idx < fname; idx++)
- {
- catchar(&out, at(tos,idx));
- }
-
- cattext(&out,"EXFUN(");
- for (idx = fname; idx < openp; idx++)
+ while (fname
+ && !isspace ((unsigned char) at (tos,fname))
+ && at (tos,fname) != '*')
+ fname--;
+
+ fname++;
+
+ /* Output type, omitting trailing whitespace character(s), if
+ any. */
+ for (len = fname; 0 < len; len--)
{
- catchar(&out, at(tos,idx));
+ if (!isspace ((unsigned char) at (tos, len - 1)))
+ break;
}
- cattext(&out,", ");
- while (at(tos,idx) && at(tos,idx) !=';')
+ for (idx = 0; idx < len; idx++)
+ catchar (&out, at (tos, idx));
+
+ cattext (&out, "\n"); /* Insert a newline between type and fnname */
+
+ /* Output function name, omitting trailing whitespace
+ character(s), if any. */
+ for (len = openp; 0 < len; len--)
{
- catchar(&out, at(tos, idx));
- idx++;
+ if (!isspace ((unsigned char) at (tos, len - 1)))
+ break;
}
- cattext(&out,");\n");
- }
- overwrite_string(tos, &out);
- pc++;
-
-}
-
+ for (idx = fname; idx < len; idx++)
+ catchar (&out, at (tos, idx));
+ cattext (&out, " PARAMS (");
-/* turn {*
- and *} into comments */
+ for (idx = openp; at (tos, idx) && at (tos, idx) != ';'; idx++)
+ catchar (&out, at (tos, idx));
-WORD(translatecomments)
-{
- unsigned int idx = 0;
- string_type out;
- init_string(&out);
-
- while (at(tos, idx))
- {
- if (at(tos,idx) == '{' && at(tos,idx+1) =='*')
- {
- cattext(&out," /*");
- idx+=2;
- }
- else if (at(tos,idx) == '*' && at(tos,idx+1) =='}')
- {
- cattext(&out,"*/");
- idx+=2;
- }
- else
- {
- catchar(&out, at(tos, idx));
- idx++;
- }
+ cattext (&out, ");\n\n");
}
+ overwrite_string (tos, &out);
+ pc++;
-
- overwrite_string(tos, &out);
-
- pc++;
-
}
-/* turn everything not starting with a . into a comment */
+/* turn {*
+ and *} into comments */
-WORD(manglecomments)
+static void
+translatecomments ()
{
- unsigned int idx = 0;
- string_type out;
- init_string(&out);
-
- while (at(tos, idx))
+ unsigned int idx = 0;
+ string_type out;
+ init_string (&out);
+
+ while (at (tos, idx))
{
- if (at(tos,idx) == '\n' && at(tos,idx+1) =='*')
+ if (at (tos, idx) == '{' && at (tos, idx + 1) == '*')
{
- cattext(&out," /*");
- idx+=2;
+ cattext (&out, "/*");
+ idx += 2;
}
- else if (at(tos,idx) == '*' && at(tos,idx+1) =='}')
+ else if (at (tos, idx) == '*' && at (tos, idx + 1) == '}')
{
- cattext(&out,"*/");
- idx+=2;
+ cattext (&out, "*/");
+ idx += 2;
}
- else
+ else
{
- catchar(&out, at(tos, idx));
- idx++;
+ catchar (&out, at (tos, idx));
+ idx++;
}
}
+ overwrite_string (tos, &out);
- overwrite_string(tos, &out);
-
- pc++;
-
+ pc++;
}
/* Mod tos so that only lines with leading dots remain */
static void
-DEFUN_VOID(outputdots)
+outputdots ()
{
- unsigned int idx = 0;
- string_type out;
- init_string(&out);
-
- while (at(tos, idx))
+ unsigned int idx = 0;
+ string_type out;
+ init_string (&out);
+
+ while (at (tos, idx))
{
- if (at(tos, idx) == '\n' && at(tos, idx+1) == '.')
+ /* Every iteration begins at the start of a line. */
+ if (at (tos, idx) == '.')
{
- idx += 2;
-
- while (at(tos, idx) && at(tos, idx)!='\n')
+ char c;
+
+ idx++;
+
+ while ((c = at (tos, idx)) && c != '\n')
{
- if (at(tos,idx) == '{' && at(tos,idx+1) =='*')
+ if (c == '{' && at (tos, idx + 1) == '*')
{
- cattext(&out," /*");
- idx+=2;
+ cattext (&out, "/*");
+ idx += 2;
}
- else if (at(tos,idx) == '*' && at(tos,idx+1) =='}')
+ else if (c == '*' && at (tos, idx + 1) == '}')
{
- cattext(&out,"*/");
- idx+=2;
+ cattext (&out, "*/");
+ idx += 2;
}
- else
+ else
{
- catchar(&out, at(tos, idx));
- idx++;
+ catchar (&out, c);
+ idx++;
}
}
- catchar(&out,'\n');
+ if (c == '\n')
+ idx++;
+ catchar (&out, '\n');
}
- else
+ else
{
- idx++;
+ idx = skip_past_newline_1 (tos, idx);
}
- }
+ }
- overwrite_string(tos, &out);
- pc++;
-
+ overwrite_string (tos, &out);
+ pc++;
}
/* Find lines starting with . and | and put example around them on tos */
-WORD(courierize)
-{
- string_type out;
- unsigned int idx = 0;
-
- init_string(&out);
-
- while (at(tos, idx))
+static void
+courierize ()
+{
+ string_type out;
+ unsigned int idx = 0;
+ int command = 0;
+
+ init_string (&out);
+
+ while (at (tos, idx))
{
- if (at(tos, idx) == '\n'
- && (at(tos, idx +1 ) == '.'
- || at(tos,idx+1) == '|'))
+ if (at (tos, idx) == '\n'
+ && (at (tos, idx +1 ) == '.'
+ || at (tos, idx + 1) == '|'))
{
- cattext(&out,"\n@example\n");
- do
+ cattext (&out, "\n@example\n");
+ do
{
- idx += 2;
-
- while (at(tos, idx) && at(tos, idx)!='\n')
+ idx += 2;
+
+ while (at (tos, idx) && at (tos, idx) != '\n')
{
- if (at(tos,idx)=='{' && at(tos,idx+1) =='*')
+ if (command > 1)
+ {
+ /* We are inside {} parameters of some command;
+ Just pass through until matching brace. */
+ if (at (tos, idx) == '{')
+ ++command;
+ else if (at (tos, idx) == '}')
+ --command;
+ }
+ else if (command != 0)
{
- cattext(&out," /*");
- idx+=2;
+ if (at (tos, idx) == '{')
+ ++command;
+ else if (!islower ((unsigned char) at (tos, idx)))
+ --command;
}
- else if (at(tos,idx)=='*' && at(tos,idx+1) =='}')
+ else if (at (tos, idx) == '@'
+ && islower ((unsigned char) at (tos, idx + 1)))
{
- cattext(&out,"*/");
- idx+=2;
+ ++command;
}
- else if (at(tos,idx) == '{')
+ else if (at (tos, idx) == '{' && at (tos, idx + 1) == '*')
{
- cattext(&out,"@{");
- idx++;
+ cattext (&out, "/*");
+ idx += 2;
+ continue;
}
- else if (at(tos,idx) == '}')
+ else if (at (tos, idx) == '*' && at (tos, idx + 1) == '}')
{
- cattext(&out,"@}");
- idx++;
+ cattext (&out, "*/");
+ idx += 2;
+ continue;
}
- else
+ else if (at (tos, idx) == '{'
+ || at (tos, idx) == '}')
{
- catchar(&out, at(tos, idx));
- idx++;
+ catchar (&out, '@');
}
-
+
+ catchar (&out, at (tos, idx));
+ idx++;
}
- catchar(&out,'\n');
- }
- while (at(tos, idx) == '\n'
- && (at(tos, idx+1) == '.')
- || (at(tos,idx+1) == '|'));
- cattext(&out,"@end example");
+ catchar (&out, '\n');
+ }
+ while (at (tos, idx) == '\n'
+ && ((at (tos, idx + 1) == '.')
+ || (at (tos, idx + 1) == '|')))
+ ;
+ cattext (&out, "@end example");
}
- else
- {
- catchar(&out, at(tos, idx));
- idx++;
+ else
+ {
+ catchar (&out, at (tos, idx));
+ idx++;
}
- }
-
- overwrite_string(tos, &out);
- pc++;
+ }
-
+ overwrite_string (tos, &out);
+ pc++;
}
/* Finds any lines starting with "o ", if there are any, then turns
on @itemize @bullet, and @items each of them. Then ends with @end
itemize, inplace at TOS*/
-
-WORD(bulletize)
+static void
+bulletize ()
{
- unsigned int idx = 0;
- int on = 0;
- string_type out;
- init_string(&out);
-
- while (at(tos, idx)) {
- if (at(tos, idx) == '@' &&
- at(tos, idx+1) == '*')
+ unsigned int idx = 0;
+ int on = 0;
+ string_type out;
+ init_string (&out);
+
+ while (at (tos, idx))
+ {
+ if (at (tos, idx) == '@'
+ && at (tos, idx + 1) == '*')
{
- cattext(&out,"*");
- idx+=2;
+ cattext (&out, "*");
+ idx += 2;
}
-
-else
- if (at(tos, idx) == '\n' &&
- at(tos, idx+1) == 'o' &&
- isspace(at(tos, idx +2)))
+ else if (at (tos, idx) == '\n'
+ && at (tos, idx + 1) == 'o'
+ && isspace ((unsigned char) at (tos, idx + 2)))
+ {
+ if (!on)
{
- if (!on)
- {
- cattext(&out,"\n@itemize @bullet\n");
- on = 1;
-
- }
- cattext(&out,"@item ");
- idx+=3;
+ cattext (&out, "\n@itemize @bullet\n");
+ on = 1;
+
}
- else
+ cattext (&out, "\n@item\n");
+ idx += 3;
+ }
+ else
+ {
+ catchar (&out, at (tos, idx));
+ if (on && at (tos, idx) == '\n'
+ && at (tos, idx + 1) == '\n'
+ && at (tos, idx + 2) != 'o')
{
- catchar(&out, at(tos, idx));
- idx++;
-
+ cattext (&out, "@end itemize");
+ on = 0;
}
+ idx++;
+
}
- if (on)
+ }
+ if (on)
{
- cattext(&out,"@end itemize\n");
- }
+ cattext (&out, "@end itemize\n");
+ }
- delete_string(tos);
- *tos = out;
- pc++;
-
+ delete_string (tos);
+ *tos = out;
+ pc++;
}
/* Turn <<foo>> into @code{foo} in place at TOS*/
-
-WORD(do_fancy_stuff)
+static void
+do_fancy_stuff ()
{
- unsigned int idx = 0;
- string_type out;
- init_string(&out);
- while (at(tos, idx))
+ unsigned int idx = 0;
+ string_type out;
+ init_string (&out);
+ while (at (tos, idx))
{
- if (at(tos, idx) == '<'
- && at(tos, idx+1) == '<'
- && !isspace(at(tos,idx + 2)))
+ if (at (tos, idx) == '<'
+ && at (tos, idx + 1) == '<'
+ && !isspace ((unsigned char) at (tos, idx + 2)))
{
- /* This qualifies as a << startup */
- idx +=2;
- cattext(&out,"@code{");
- while(at(tos,idx) &&
- at(tos,idx) != '>' )
+ /* This qualifies as a << startup. */
+ idx += 2;
+ cattext (&out, "@code{");
+ while (at (tos, idx)
+ && at (tos, idx) != '>' )
{
- catchar(&out, at(tos, idx));
- idx++;
-
+ catchar (&out, at (tos, idx));
+ idx++;
+
}
- cattext(&out,"}");
- idx+=2;
+ cattext (&out, "}");
+ idx += 2;
}
- else
+ else
{
- catchar(&out, at(tos, idx));
- idx++;
+ catchar (&out, at (tos, idx));
+ idx++;
}
}
- delete_string(tos);
- *tos = out;
- pc++;
-
-}
-/* A command is all upper case,and alone on a line */
-static int
-DEFUN( iscommand,(ptr, idx),
- string_type *ptr AND
- unsigned int idx)
-{
- unsigned int len = 0;
- while (at(ptr,idx)) {
- if (isupper(at(ptr,idx)) || at(ptr,idx) == ' ' ||
- at(ptr,idx) == '_')
- {
- len++;
- idx++;
- }
- else if(at(ptr,idx) == '\n')
- {
- if (len >4) return 1;
- return 0;
- }
- else return 0;
- }
- return 0;
+ delete_string (tos);
+ *tos = out;
+ pc++;
}
+/* A command is all upper case,and alone on a line. */
-DEFUN(copy_past_newline,(ptr, idx, dst),
- string_type *ptr AND
- unsigned int idx AND
- string_type *dst)
+static int
+iscommand (ptr, idx)
+ string_type *ptr;
+ unsigned int idx;
{
- while (at(ptr, idx) && at(ptr, idx) != '\n')
+ unsigned int len = 0;
+ while (at (ptr, idx))
{
- catchar(dst, at(ptr, idx));
- idx++;
-
- }
- catchar(dst, at(ptr, idx));
- idx++;
- return idx;
+ if (isupper ((unsigned char) at (ptr, idx))
+ || at (ptr, idx) == ' ' || at (ptr, idx) == '_')
+ {
+ len++;
+ idx++;
+ }
+ else if (at (ptr, idx) == '\n')
+ {
+ if (len > 3)
+ return 1;
+ return 0;
+ }
+ else
+ return 0;
+ }
+ return 0;
+}
+
+static int
+copy_past_newline (ptr, idx, dst)
+ string_type *ptr;
+ unsigned int idx;
+ string_type *dst;
+{
+ int column = 0;
+
+ while (at (ptr, idx) && at (ptr, idx) != '\n')
+ {
+ if (at (ptr, idx) == '\t')
+ {
+ /* Expand tabs. Neither makeinfo nor TeX can cope well with
+ them. */
+ do
+ catchar (dst, ' ');
+ while (++column & 7);
+ }
+ else
+ {
+ catchar (dst, at (ptr, idx));
+ column++;
+ }
+ idx++;
+
+ }
+ catchar (dst, at (ptr, idx));
+ idx++;
+ return idx;
}
-WORD(icopy_past_newline)
+static void
+icopy_past_newline ()
{
- tos++;
- init_string(tos);
- idx = copy_past_newline(ptr, idx, tos);
- pc++;
+ tos++;
+ check_range ();
+ init_string (tos);
+ idx = copy_past_newline (ptr, idx, tos);
+ pc++;
}
/* indent
- Take the string at the top of the stack, do some prettying */
-
+ Take the string at the top of the stack, do some prettying. */
+static void
+kill_bogus_lines ()
+{
+ int sl;
+ int idx = 0;
+ int c;
+ int dot = 0;
-WORD(kill_bogus_lines)
-{
- int sl ;
-
- int nl = 0;
- int idx = 0;
- int c;
- int dot = 0 ;
-
- string_type out;
- init_string(&out);
- /* Drop leading nl */
- while (at(tos,idx) == '\n')
+ string_type out;
+ init_string (&out);
+ /* Drop leading nl. */
+ while (at (tos, idx) == '\n')
{
- idx++;
+ idx++;
}
- c = idx;
-
- /* Find the last char */
- while (at(tos,idx))
+ c = idx;
+
+ /* If the first char is a '.' prepend a newline so that it is
+ recognized properly later. */
+ if (at (tos, idx) == '.')
+ catchar (&out, '\n');
+
+ /* Find the last char. */
+ while (at (tos, idx))
{
- idx++;
+ idx++;
}
-
- /* find the last non white before the nl */
+
+ /* Find the last non white before the nl. */
+ idx--;
+
+ while (idx && isspace ((unsigned char) at (tos, idx)))
idx--;
-
- while (idx && isspace(at(tos,idx)))
- idx--;
- idx++;
-
- /* Copy buffer upto last char, but blank lines before and after
- dots don't count */
- sl = 1;
+ idx++;
- while (c < idx)
+ /* Copy buffer upto last char, but blank lines before and after
+ dots don't count. */
+ sl = 1;
+
+ while (c < idx)
{
- if (at(tos,c) == '\n'
- && at(tos,c+1) == '\n'
- && at(tos,c+2) == '.')
+ if (at (tos, c) == '\n'
+ && at (tos, c + 1) == '\n'
+ && at (tos, c + 2) == '.')
{
- /* Ignore two linelines before a dot*/
- c++;
+ /* Ignore two newlines before a dot. */
+ c++;
}
- else if (at(tos,c) == '.' && sl)
+ else if (at (tos, c) == '.' && sl)
{
- /* remember that this line started with a dot */
- dot=2;
+ /* remember that this line started with a dot. */
+ dot = 2;
}
- else if (at(tos,c) == '\n'
- && at(tos,c+1) == '\n'
- && dot)
+ else if (at (tos, c) == '\n'
+ && at (tos, c + 1) == '\n'
+ && dot)
{
- c++;
- /* Ignore two newlines when last line was dot */
+ c++;
+ /* Ignore two newlines when last line was dot. */
}
- catchar(&out, at(tos,c));
- if (at(tos,c) == '\n')
+ catchar (&out, at (tos, c));
+ if (at (tos, c) == '\n')
{
- sl = 1;
-
- if (dot == 2)dot=1;else dot = 0;
+ sl = 1;
+
+ if (dot == 2)
+ dot = 1;
+ else
+ dot = 0;
}
-
- c++;
+ else
+ sl = 0;
+
+ c++;
}
-
- /* Append nl*/
- catchar(&out, '\n');
- pc++;
- delete_string(tos);
- *tos = out;
-
-
-}
-
-WORD(indent)
-{
- string_type out;
- int tab = 0;
- int idx = 0;
- int ol =0;
- init_string(&out);
- while (at(tos,idx)) {
- switch (at(tos,idx))
+
+ /* Append nl. */
+ catchar (&out, '\n');
+ pc++;
+ delete_string (tos);
+ *tos = out;
+
+}
+
+static void
+indent ()
+{
+ string_type out;
+ int tab = 0;
+ int idx = 0;
+ int ol = 0;
+ init_string (&out);
+ while (at (tos, idx))
+ {
+ switch (at (tos, idx))
+ {
+ case '\n':
+ cattext (&out, "\n");
+ idx++;
+ if (tab && at (tos, idx))
{
- case '\n':
- cattext(&out,"\n");
- idx++;
- if (tab)
- {
- cattext(&out," ");
- }
- ol = 0;
- break;
- case '(':
- tab++;
- if (ol == 0)
- cattext(&out," ");
- idx++;
- cattext(&out,"(");
- ol = 1;
- break;
- case ')':
- tab--;
- cattext(&out,")");
- idx++;
- ol=1;
-
- break;
- default:
- catchar(&out,at(tos,idx));
- ol=1;
-
- idx++;
- break;
+ cattext (&out, " ");
}
- }
+ ol = 0;
+ break;
+ case '(':
+ tab++;
+ if (ol == 0)
+ cattext (&out, " ");
+ idx++;
+ cattext (&out, "(");
+ ol = 1;
+ break;
+ case ')':
+ tab--;
+ cattext (&out, ")");
+ idx++;
+ ol = 1;
+
+ break;
+ default:
+ catchar (&out, at (tos, idx));
+ ol = 1;
+
+ idx++;
+ break;
+ }
+ }
- pc++;
- delete_string(tos);
- *tos = out;
+ pc++;
+ delete_string (tos);
+ *tos = out;
}
-
-WORD(get_stuff_in_command)
+static void
+get_stuff_in_command ()
{
- tos++;
- init_string(tos);
+ tos++;
+ check_range ();
+ init_string (tos);
- while (at(ptr, idx)) {
- if (iscommand(ptr, idx)) break;
- idx = copy_past_newline(ptr, idx, tos);
- }
-pc++;
+ while (at (ptr, idx))
+ {
+ if (iscommand (ptr, idx))
+ break;
+ idx = copy_past_newline (ptr, idx, tos);
+ }
+ pc++;
}
-WORD(swap)
+static void
+swap ()
{
- string_type t;
-
- t = tos[0];
- tos[0] = tos[-1];
- tos[-1] =t;
- pc++;
-
+ string_type t;
+
+ t = tos[0];
+ tos[0] = tos[-1];
+ tos[-1] = t;
+ pc++;
}
-WORD(other_dup)
+static void
+other_dup ()
{
- tos++;
- init_string(tos);
- catstr(tos, tos-1);
- pc++;
-
+ tos++;
+ check_range ();
+ init_string (tos);
+ catstr (tos, tos - 1);
+ pc++;
}
+static void
+drop ()
+{
+ tos--;
+ check_range ();
+ delete_string (tos + 1);
+ pc++;
+}
-
-WORD(icatstr)
+static void
+idrop ()
{
- catstr(tos-1, tos);
- delete_string(tos);
- tos--;
- pc++;
-
+ isp--;
+ icheck_range ();
+ pc++;
}
-WORD(skip_past_newline)
+static void
+icatstr ()
{
- while (at(ptr,idx)
- && at(ptr,idx) != '\n')
- idx++;
- idx++;
- pc++;
+ tos--;
+ check_range ();
+ catstr (tos, tos + 1);
+ delete_string (tos + 1);
+ pc++;
}
+static void
+skip_past_newline ()
+{
+ idx = skip_past_newline_1 (ptr, idx);
+ pc++;
+}
-WORD(internalmode)
+static void
+internalmode ()
{
- internal_mode = *(isp);
- isp--;
- pc++;
+ internal_mode = *(isp);
+ isp--;
+ icheck_range ();
+ pc++;
}
-WORD(maybecatstr)
+static void
+maybecatstr ()
{
- if (internal_wanted == internal_mode)
+ if (internal_wanted == internal_mode)
{
- catstr(tos-1, tos);
+ catstr (tos - 1, tos);
}
- delete_string(tos);
- tos--;
- pc++;
-
+ delete_string (tos);
+ tos--;
+ check_range ();
+ pc++;
}
char *
-DEFUN(nextword,(string, word),
- char *string AND
- char **word)
-{
- char *word_start;
- int idx;
- char *dst;
- char *src;
-
- int length = 0;
-
- while (isspace(*string) || *string == '-') {
- if (*string == '-')
- {
- while (*string && *string != '\n')
- string++;
-
- }
- else {
- string++;
- }
- }
- if (!*string) return 0;
-
- word_start = string;
- if (*string == '"')
+nextword (string, word)
+ char *string;
+ char **word;
+{
+ char *word_start;
+ int idx;
+ char *dst;
+ char *src;
+
+ int length = 0;
+
+ while (isspace ((unsigned char) *string) || *string == '-')
{
- string++;
- length++;
-
- while (*string != '"')
+ if (*string == '-')
{
+ while (*string && *string != '\n')
string++;
- length++;
+
+ }
+ else
+ {
+ string++;
}
}
- else
+ if (!*string)
{
-
+ *word = NULL;
+ return NULL;
+ }
- while (!isspace(*string))
+ word_start = string;
+ if (*string == '"')
+ {
+ do
{
- string++;
- length++;
-
+ string++;
+ length++;
+ if (*string == '\\')
+ {
+ string += 2;
+ length += 2;
+ }
}
+ while (*string != '"');
}
-
- *word = malloc(length + 1);
-
- dst = *word;
- src = word_start;
-
-
- for (idx= 0; idx < length; idx++)
+ else
{
-
- if (src[idx] == '\\' && src[idx+1] == 'n')
+ while (!isspace ((unsigned char) *string))
{
- *dst++ = '\n';
- idx++;
-
+ string++;
+ length++;
+
}
- else *dst++ = src[idx];
}
- *dst++ = 0;
-
+ *word = (char *) malloc (length + 1);
+ dst = *word;
+ src = word_start;
+ for (idx = 0; idx < length; idx++)
+ {
+ if (src[idx] == '\\')
+ switch (src[idx + 1])
+ {
+ case 'n':
+ *dst++ = '\n';
+ idx++;
+ break;
+ case '"':
+ case '\\':
+ *dst++ = src[idx + 1];
+ idx++;
+ break;
+ default:
+ *dst++ = '\\';
+ break;
+ }
+ else
+ *dst++ = src[idx];
+ }
+ *dst++ = 0;
- if(*string)
- return string + 1;
- else
- return 0;
-
+ if (*string)
+ return string + 1;
+ else
+ return NULL;
}
+
dict_type *root;
+
dict_type *
-DEFUN(lookup_word,(word),
- char *word)
+lookup_word (word)
+ char *word;
{
dict_type *ptr = root;
- while (ptr) {
- if (strcmp(ptr->word, word) == 0) return ptr;
+ while (ptr)
+ {
+ if (strcmp (ptr->word, word) == 0)
+ return ptr;
ptr = ptr->next;
-
}
if (warning)
- fprintf(stderr,"Can't find %s\n",word);
- return 0;
-
-
+ fprintf (stderr, "Can't find %s\n", word);
+ return NULL;
}
-static void DEFUN_VOID(perform)
+static void
+free_words (void)
{
- tos = stack;
-
- while (at(ptr, idx)) {
- /* It's worth looking through the command list */
- if (iscommand(ptr, idx))
- {
- unsigned int i;
- int found = 0;
+ dict_type *ptr = root;
- char *next;
- dict_type *word ;
-
- (void) nextword(addr(ptr, idx), &next);
+ while (ptr)
+ {
+ dict_type *next;
+ free (ptr->word);
+ if (ptr->code)
+ {
+ int i;
+ for (i = 0; i < ptr->code_end - 1; i ++)
+ if (ptr->code[i] == push_text
+ && ptr->code[i + 1])
+ {
+ free ((char *) ptr->code[i + 1] - 1);
+ ++ i;
+ }
+ free (ptr->code);
+ }
+ next = ptr->next;
+ free (ptr);
+ ptr = next;
+ }
+}
- word = lookup_word(next);
+static void
+perform (void)
+{
+ tos = stack;
+ while (at (ptr, idx))
+ {
+ /* It's worth looking through the command list. */
+ if (iscommand (ptr, idx))
+ {
+ char *next;
+ dict_type *word;
-
+ (void) nextword (addr (ptr, idx), &next);
- if (word)
- {
- exec(word);
- }
- else
- {
- if (warning)
- fprintf(stderr,"warning, %s is not recognised\n", next);
- skip_past_newline();
- }
-
- }
- else skip_past_newline();
+ word = lookup_word (next);
+ if (word)
+ {
+ exec (word);
+ }
+ else
+ {
+ if (warning)
+ fprintf (stderr, "warning, %s is not recognised\n", next);
+ skip_past_newline ();
+ }
+ free (next);
+ }
+ else
+ skip_past_newline ();
}
}
dict_type *
-DEFUN(newentry,(word),
- char *word)
+newentry (word)
+ char *word;
{
- dict_type *new = (dict_type *)malloc(sizeof(dict_type));
- new->word = word;
- new->next = root;
- root = new;
- new->code = (stinst_type *)malloc(sizeof(stinst_type ));
- new->code_length = 1;
- new->code_end = 0;
- return new;
-
+ dict_type *new_d = (dict_type *) malloc (sizeof (dict_type));
+ new_d->word = word;
+ new_d->next = root;
+ root = new_d;
+ new_d->code = (stinst_type *) malloc (sizeof (stinst_type));
+ new_d->code_length = 1;
+ new_d->code_end = 0;
+ return new_d;
}
-
unsigned int
-DEFUN(add_to_definition,(entry, word),
- dict_type *entry AND
- stinst_type word)
+add_to_definition (entry, word)
+ dict_type *entry;
+ stinst_type word;
{
- if (entry->code_end == entry->code_length)
+ if (entry->code_end == entry->code_length)
{
- entry->code_length += 2;
- entry->code =
- (stinst_type *) realloc((char *)(entry->code),
- entry->code_length *sizeof(word_type));
+ entry->code_length += 2;
+ entry->code =
+ (stinst_type *) realloc ((char *) (entry->code),
+ entry->code_length * sizeof (stinst_type));
}
- entry->code[entry->code_end] = word;
-
-return entry->code_end++;
-}
-
-
-
-
-
+ entry->code[entry->code_end] = word;
+ return entry->code_end++;
+}
void
-DEFUN(add_intrinsic,(name, func),
- char *name AND
- void (*func)())
+add_intrinsic (name, func)
+ char *name;
+ void (*func) ();
{
- dict_type *new = newentry(name);
- add_to_definition(new, func);
- add_to_definition(new, 0);
+ dict_type *new_d = newentry (strdup (name));
+ add_to_definition (new_d, func);
+ add_to_definition (new_d, 0);
}
-WORD(push_addr)
+void
+add_var (name)
+ char *name;
{
-
-
+ dict_type *new_d = newentry (name);
+ add_to_definition (new_d, push_number);
+ add_to_definition (new_d, (stinst_type) (&(new_d->var)));
+ add_to_definition (new_d, 0);
}
void
-DEFUN(add_var,(name),
- char *name)
+compile (string)
+ char *string;
{
- dict_type *new = newentry(name);
- add_to_definition(new, push_number);
- add_to_definition(new, (stinst_type)(&(new->var)));
- add_to_definition(new,0);
-
-}
-
-
-
+ /* Add words to the dictionary. */
+ char *word;
-void
-DEFUN(compile, (string),
- char *string)
-
-{
- int jstack[STACK];
- int *jptr = jstack;
- /* add words to the dictionary */
- char *word;
- string = nextword(string, &word);
- while (string && *string && word[0])
+ string = nextword (string, &word);
+ while (string && *string && word[0])
{
- if (strcmp(word,"var")==0)
+ if (strcmp (word, "var") == 0)
{
- string=nextword(string, &word);
-
- add_var(word);
- string=nextword(string, &word);
+ free (word);
+ string = nextword (string, &word);
+ if (!string)
+ continue;
+ add_var (word);
+ string = nextword (string, &word);
}
-else
-
- if (word[0] == ':')
+ else if (word[0] == ':')
{
- dict_type *ptr;
- /* Compile a word and add to dictionary */
- string = nextword(string, &word);
-
- ptr = newentry(word);
- string = nextword(string, &word);
- while (word[0] != ';' )
+ dict_type *ptr;
+
+ /* Compile a word and add to dictionary. */
+ free (word);
+ string = nextword (string, &word);
+ if (!string)
+ continue;
+ ptr = newentry (word);
+ string = nextword (string, &word);
+ if (!string)
{
- switch (word[0])
- {
-
-
- case '"':
- /* got a string, embed magic push string
- function */
- add_to_definition(ptr, push_text);
- add_to_definition(ptr, (stinst_type)(word+1));
- break;
- case '0':
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- case '8':
- case '9':
- /* Got a number, embedd the magic push number
- function */
- add_to_definition(ptr, push_number);
- add_to_definition(ptr, atol(word));
- break;
- default:
- add_to_definition(ptr, call);
- add_to_definition(ptr, lookup_word(word));
- }
-
- string = nextword(string, &word);
+ free (ptr->code);
+ free (ptr);
+ continue;
+ }
+
+ while (word[0] != ';')
+ {
+ switch (word[0])
+ {
+ case '"':
+ /* got a string, embed magic push string
+ function */
+ add_to_definition (ptr, push_text);
+ add_to_definition (ptr, (stinst_type) (word + 1));
+ break;
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ /* Got a number, embedd the magic push number
+ function */
+ add_to_definition (ptr, push_number);
+ add_to_definition (ptr, (stinst_type) atol (word));
+ free (word);
+ break;
+ default:
+ add_to_definition (ptr, call);
+ add_to_definition (ptr, (stinst_type) lookup_word (word));
+ free (word);
+ }
+
+ string = nextword (string, &word);
}
- add_to_definition(ptr,0);
- string = nextword(string, &word);
+ add_to_definition (ptr, 0);
+ free (word);
+ string = nextword (string, &word);
}
- else
+ else
{
- fprintf(stderr,"syntax error at %s\n",string-1);
- }
+ fprintf (stderr, "syntax error at %s\n", string - 1);
+ }
}
-
+ free (word);
}
-
-static void DEFUN_VOID(bang)
+static void
+bang ()
{
-*(int *)((isp[0])) = isp[-1];
-isp-=2;
-pc++;
+ *(long *) ((isp[0])) = isp[-1];
+ isp -= 2;
+ icheck_range ();
+ pc++;
+}
+static void
+atsign ()
+{
+ isp[0] = *(long *) (isp[0]);
+ pc++;
}
-WORD(atsign)
+static void
+hello ()
{
- isp[0] = *(int *)(isp[0]);
- pc++;
+ printf ("hello\n");
+ pc++;
}
-WORD(hello)
+static void
+stdout_ ()
{
-
- printf("hello\n");
- pc++;
+ isp++;
+ icheck_range ();
+ *isp = 1;
+ pc++;
}
+static void
+stderr_ ()
+{
+ isp++;
+ icheck_range ();
+ *isp = 2;
+ pc++;
+}
+static void
+print ()
+{
+ if (*isp == 1)
+ write_buffer (tos, stdout);
+ else if (*isp == 2)
+ write_buffer (tos, stderr);
+ else
+ fprintf (stderr, "print: illegal print destination `%ld'\n", *isp);
+ isp--;
+ tos--;
+ icheck_range ();
+ check_range ();
+ pc++;
+}
-static void DEFUN(read_in, (str, file),
- string_type *str AND
- FILE *file)
+static void
+read_in (str, file)
+ string_type *str;
+ FILE *file;
{
- char buff[10000];
- unsigned int r;
- do
+ char buff[10000];
+ unsigned int r;
+ do
{
- r = fread(buff, 1, sizeof(buff), file);
- catbuf(str, buff, r);
+ r = fread (buff, 1, sizeof (buff), file);
+ catbuf (str, buff, r);
}
- while (r);
- buff[0] = 0;
-
- catbuf(str, buff,1);
-
+ while (r);
+ buff[0] = 0;
+
+ catbuf (str, buff, 1);
}
+static void
+usage ()
+{
+ fprintf (stderr, "usage: -[d|i|g] <file >file\n");
+ exit (33);
+}
-static void DEFUN_VOID(usage)
+/* There is no reliable way to declare exit. Sometimes it returns
+ int, and sometimes it returns void. Sometimes it changes between
+ OS releases. Trying to get it declared correctly in the hosts file
+ is a pointless waste of time. */
+
+static void
+chew_exit ()
{
- fprintf(stderr,"usage: -[d|i|g] <file >file\n");
- exit(33);
+ exit (0);
}
-int DEFUN(main,(ac,av),
-int ac AND
-char *av[])
+int
+main (ac, av)
+ int ac;
+ char *av[];
{
unsigned int i;
-
-
string_type buffer;
string_type pptr;
-
- init_string(&buffer);
- init_string(&pptr);
- init_string(stack+0);
- tos=stack+1;
+ init_string (&buffer);
+ init_string (&pptr);
+ init_string (stack + 0);
+ tos = stack + 1;
ptr = &pptr;
-
- add_intrinsic("push_text", push_text);
- add_intrinsic("!", bang);
- add_intrinsic("@", atsign);
- add_intrinsic("hello",hello);
- add_intrinsic("skip_past_newline", skip_past_newline );
- add_intrinsic("catstr", icatstr );
- add_intrinsic("copy_past_newline", icopy_past_newline );
- add_intrinsic("dup", other_dup );
- add_intrinsic("remchar", remchar );
- add_intrinsic("get_stuff_in_command", get_stuff_in_command );
- add_intrinsic("do_fancy_stuff", do_fancy_stuff );
- add_intrinsic("bulletize", bulletize );
- add_intrinsic("courierize", courierize );
- add_intrinsic("exit", exit );
- add_intrinsic("swap", swap );
- add_intrinsic("outputdots", outputdots );
- add_intrinsic("exfunstuff", exfunstuff );
- add_intrinsic("maybecatstr", maybecatstr );
- add_intrinsic("translatecomments", translatecomments );
- add_intrinsic("kill_bogus_lines", kill_bogus_lines);
- add_intrinsic("indent", indent);
- add_intrinsic("internalmode", internalmode);
-
- /* Put a nl at the start */
- catchar(&buffer,'\n');
-
- read_in(&buffer, stdin);
- remove_noncomments(&buffer, ptr);
- for (i= 1; i < ac; i++)
- {
- if (av[i][0] == '-')
+
+ add_intrinsic ("push_text", push_text);
+ add_intrinsic ("!", bang);
+ add_intrinsic ("@", atsign);
+ add_intrinsic ("hello", hello);
+ add_intrinsic ("stdout", stdout_);
+ add_intrinsic ("stderr", stderr_);
+ add_intrinsic ("print", print);
+ add_intrinsic ("skip_past_newline", skip_past_newline);
+ add_intrinsic ("catstr", icatstr);
+ add_intrinsic ("copy_past_newline", icopy_past_newline);
+ add_intrinsic ("dup", other_dup);
+ add_intrinsic ("drop", drop);
+ add_intrinsic ("idrop", idrop);
+ add_intrinsic ("remchar", remchar);
+ add_intrinsic ("get_stuff_in_command", get_stuff_in_command);
+ add_intrinsic ("do_fancy_stuff", do_fancy_stuff);
+ add_intrinsic ("bulletize", bulletize);
+ add_intrinsic ("courierize", courierize);
+ /* If the following line gives an error, exit() is not declared in the
+ ../hosts/foo.h file for this host. Fix it there, not here! */
+ /* No, don't fix it anywhere; see comment on chew_exit--Ian Taylor. */
+ add_intrinsic ("exit", chew_exit);
+ add_intrinsic ("swap", swap);
+ add_intrinsic ("outputdots", outputdots);
+ add_intrinsic ("paramstuff", paramstuff);
+ add_intrinsic ("maybecatstr", maybecatstr);
+ add_intrinsic ("translatecomments", translatecomments);
+ add_intrinsic ("kill_bogus_lines", kill_bogus_lines);
+ add_intrinsic ("indent", indent);
+ add_intrinsic ("internalmode", internalmode);
+ add_intrinsic ("print_stack_level", print_stack_level);
+ add_intrinsic ("strip_trailing_newlines", strip_trailing_newlines);
+
+ /* Put a nl at the start. */
+ catchar (&buffer, '\n');
+
+ read_in (&buffer, stdin);
+ remove_noncomments (&buffer, ptr);
+ for (i = 1; i < (unsigned int) ac; i++)
{
- if (av[i][1] == 'f')
- {
- string_type b;
- FILE *f;
- init_string(&b);
-
- f = fopen(av[i+1],"r");
- if (!f)
+ if (av[i][0] == '-')
{
- fprintf(stderr,"Can't open the input file %s\n",av[i+1]);
- return 33;
+ if (av[i][1] == 'f')
+ {
+ string_type b;
+ FILE *f;
+ init_string (&b);
+
+ f = fopen (av[i + 1], "r");
+ if (!f)
+ {
+ fprintf (stderr, "Can't open the input file %s\n",
+ av[i + 1]);
+ return 33;
+ }
+
+ read_in (&b, f);
+ compile (b.ptr);
+ perform ();
+ delete_string (&b);
+ }
+ else if (av[i][1] == 'i')
+ {
+ internal_wanted = 1;
+ }
+ else if (av[i][1] == 'w')
+ {
+ warning = 1;
+ }
+ else
+ usage ();
}
-
-
- read_in(&b, f);
- compile(b.ptr);
- perform();
- }
- else if (av[i][1] == 'i')
- {
- internal_wanted = 1;
- }
- else if (av[i][1] == 'w')
- {
- warning = 1;
- }
}
-
- }
- write_buffer(stack+0);
+ write_buffer (stack + 0, stdout);
+ free_words ();
+ delete_string (&pptr);
+ delete_string (&buffer);
+ if (tos != stack)
+ {
+ fprintf (stderr, "finishing with current stack level %ld\n",
+ (long) (tos - stack));
+ return 1;
+ }
return 0;
}
-
-
-
projects / thirdparty / binutils-gdb.git / blobdiff