pnl@hpfinote.HP.COM (Peter Lim) (04/13/90)
This doesn't exactly constitute a 'source code' so I thought I'll just
post it here. To share with the general public. Below is a shell archive
of 3 files to allow compiling of the recently posted Berkeley YACC
with Microsoft C 5.10 under MesS-DOS.
linkopt.msc and makefile.msc are addendum. Whereas defs.h replaces the
one that comes with the Berkeley YACC package. A few MesS-DOS specific
constants are defined in defs.h conditionally.
Seems to work fine for my case. I use a UNIX-like make under MesS-DOS
and did "make -f makefile.msc".
Have fun, and a nice easter (could be a little late).
Regards, ## Life is fast enough as it is ........
Peter Lim. ## .... DON'T PUSH IT !! >>>-------,
########################################### :
E-mail: plim@hpsgwg.HP.COM Snail-mail: Hewlett Packard Singapore, :
Tel: (065)-279-2289 (ICDS, ICS) |
Telnet: 520-2289 1150 Depot Road, __\@/__
... also at: pnl@hpfipnl.HP.COM Singapore 0410. SPLAT !
ps: If I'm not doing this in accordance with the netland protocol,
will the authority (and only the authority) kindly inform me
of the 'higher' way to do it. :-).
#---------------------------------- cut here ----------------------------------
# This is a shell archive. Remove anything before this line,
# then unpack it by saving it in a file and typing "sh file".
#
# Wrapped by Peter Lim <pnl@hpfipnl> on Thu Apr 12 17:08:15 1990
#
# This archive contains:
# defs.h linkopt.msc makefile.msc
#
# Error checking via sum(1) will be performed.
LANG=""; export LANG
PATH=/bin:/usr/bin:$PATH; export PATH
if sum -r </dev/null >/dev/null 2>&1
then
sumopt='-r'
else
sumopt=''
fi
echo x - defs.h
cat >defs.h <<'@EOF'
#include <assert.h>
#include <ctype.h>
#include <stdio.h>
/* machine dependent definitions */
/* the following definitions are for the VAX */
/* they might have to be changed for other machines */
/* MAXCHAR is the largest character value */
/* MAXSHORT is the largest value of a C short */
/* MINSHORT is the most negative value of a C short */
/* MAXTABLE is the maximum table size */
/* BITS_PER_WORD is the number of bits in a C unsigned */
/* WORDSIZE computes the number of words needed to */
/* store n bits */
/* BIT returns the value of the n-th bit starting */
/* from r (0-indexed) */
/* SETBIT sets the n-th bit starting from r */
#ifdef MSDOS
#define MAXCHAR 127
#define MAXSHORT 32767
#define MINSHORT -32768
#define MAXTABLE 32500
#define BITS_PER_WORD 16
#define WORDSIZE(n) (((n)+(BITS_PER_WORD-1))/BITS_PER_WORD)
#define BIT(r, n) ((((r)[(n) >> 4]) >> ((n) & 15)) & 1)
#define SETBIT(r, n) ((r)[(n) >> 4] |= (1 << ((n) & 15)))
#else
#define MAXCHAR 255
#define MAXSHORT 32767
#define MINSHORT -32768
#define MAXTABLE 32500
#define BITS_PER_WORD 32
#define WORDSIZE(n) (((n)+(BITS_PER_WORD-1))/BITS_PER_WORD)
#define BIT(r, n) ((((r)[(n) >> 5]) >> ((n) & 31)) & 1)
#define SETBIT(r, n) ((r)[(n) >> 5] |= (1 << ((n) & 31)))
#endif
/* character names */
#define NUL '\0' /* the null character */
#define NEWLINE '\n' /* line feed */
#define SP ' ' /* space */
#define BS '\b' /* backspace */
#define HT '\t' /* horizontal tab */
#define VT '\013' /* vertical tab */
#define CR '\r' /* carriage return */
#define FF '\f' /* form feed */
#define QUOTE '\'' /* single quote */
#define DOUBLE_QUOTE '\"' /* double quote */
#define BACKSLASH '\\' /* backslash */
/* defines for constructing filenames */
#ifdef MSDOS
#define DEFINES_SUFFIX "_tab.h"
#define OUTPUT_SUFFIX "_tab.c"
#else
#define DEFINES_SUFFIX ".tab.h"
#define OUTPUT_SUFFIX ".tab.c"
#endif
#define VERBOSE_SUFFIX ".output"
/* keyword codes */
#define TOKEN 0
#define LEFT 1
#define RIGHT 2
#define NONASSOC 3
#define MARK 4
#define TEXT 5
#define TYPE 6
#define START 7
#define UNION 8
#define IDENT 9
/* symbol classes */
#define UNKNOWN 0
#define TERM 1
#define NONTERM 2
/* the undefined value */
#define UNDEFINED (-1)
/* action codes */
#define SHIFT 1
#define REDUCE 2
#define ERROR 3
/* character macros */
#define IS_IDENT(c) (isalnum(c) || (c) == '_' || (c) == '.' || (c) == '$')
#define IS_OCTAL(c) ((c) >= '0' && (c) <= '7')
#define NUMERIC_VALUE(c) ((c) - '0')
/* symbol macros */
#define ISTOKEN(s) ((s) < start_symbol)
#define ISVAR(s) ((s) >= start_symbol)
/* storage allocation macros */
#define FREE(x) (free((char*)(x)))
#define MALLOC(n) (malloc((unsigned)(n)))
#define NEW(t) ((t*)allocate(sizeof(t)))
#define NEW2(n,t) ((t*)allocate((unsigned)((n)*sizeof(t))))
#define REALLOC(p,n) (realloc((char*)(p),(unsigned)(n)))
/* the structure of a symbol table entry */
typedef struct bucket bucket;
struct bucket
{
struct bucket *link;
struct bucket *next;
char *name;
char *tag;
short value;
short index;
short prec;
char class;
char assoc;
};
/* the structure of the LR(0) state machine */
typedef struct core core;
struct core
{
struct core *next;
struct core *link;
short number;
short accessing_symbol;
short nitems;
short items[1];
};
/* the structure used to record shifts */
typedef struct shifts shifts;
struct shifts
{
struct shifts *next;
short number;
short nshifts;
short shift[1];
};
/* the structure used to store reductions */
typedef struct reductions reductions;
struct reductions
{
struct reductions *next;
short number;
short nreds;
short rules[1];
};
/* the structure used to represent parser actions */
typedef struct action action;
struct action
{
struct action *next;
short symbol;
short number;
short prec;
char action_code;
char assoc;
char suppressed;
};
/* global variables */
extern char dflag;
extern char lflag;
extern char tflag;
extern char vflag;
extern char *myname;
extern char *cptr;
extern char *line;
extern int lineno;
extern int outline;
extern char *banner[];
extern char *header[];
extern char *body[];
extern char *trailer[];
extern char *action_file_name;
extern char *defines_file_name;
extern char *input_file_name;
extern char *output_file_name;
extern char *text_file_name;
extern char *union_file_name;
extern char *verbose_file_name;
extern FILE *action_file;
extern FILE *defines_file;
extern FILE *input_file;
extern FILE *output_file;
extern FILE *text_file;
extern FILE *union_file;
extern FILE *verbose_file;
extern int nitems;
extern int nrules;
extern int nsyms;
extern int ntokens;
extern int nvars;
extern int ntags;
extern char unionized;
extern char line_format[];
extern int start_symbol;
extern char **symbol_name;
extern short *symbol_value;
extern short *symbol_prec;
extern char *symbol_assoc;
extern short *ritem;
extern short *rlhs;
extern short *rrhs;
extern short *rprec;
extern char *rassoc;
extern short **derives;
extern char *nullable;
extern bucket *first_symbol;
extern bucket *last_symbol;
extern int nstates;
extern core *first_state;
extern shifts *first_shift;
extern reductions *first_reduction;
extern short *accessing_symbol;
extern core **state_table;
extern shifts **shift_table;
extern reductions **reduction_table;
extern unsigned *LA;
extern short *LAruleno;
extern short *lookaheads;
extern short *goto_map;
extern short *from_state;
extern short *to_state;
extern action **parser;
extern int SRtotal;
extern int RRtotal;
extern short *SRconflicts;
extern short *RRconflicts;
extern short *defred;
extern short *rules_used;
extern short nunused;
extern short final_state;
/* global functions */
extern char *allocate();
extern bucket *lookup();
extern bucket *make_bucket();
/* system variables */
extern int errno;
/* system functions */
extern void free();
extern char *calloc();
extern char *malloc();
extern char *realloc();
extern char *strcpy();
@EOF
set `sum $sumopt <defs.h`; if test $1 -ne 57441
then
echo ERROR: defs.h checksum is $1 should be 57441
fi
chmod 644 defs.h
echo x - linkopt.msc
cat >linkopt.msc <<'@EOF'
closure.obj +
error.obj +
lalr.obj +
lr0.obj +
main.obj +
mkpar.obj +
output.obj +
reader.obj +
skeleton.obj +
symtab.obj +
verbose.obj +
warshall.obj
yacc
nul;
@EOF
set `sum $sumopt <linkopt.msc`; if test $1 -ne 416
then
echo ERROR: linkopt.msc checksum is $1 should be 416
fi
chmod 644 linkopt.msc
echo x - makefile.msc
cat >makefile.msc <<'@EOF'
DEST = .
HDRS = defs.h
CFLAGS = -AC
LDFLAGS = /STACK:10240
LIBS =
LINKER = link
MAKEFILE = Makefile
OBJS = closure.obj \
error.obj \
lalr.obj \
lr0.obj \
main.obj \
mkpar.obj \
output.obj \
reader.obj \
skeleton.obj \
symtab.obj \
verbose.obj \
warshall.obj
PRINT = pr -f -l88
PROGRAM = yacc.exe
SRCS = closure.c \
error.c \
lalr.c \
lr0.c \
main.c \
mkpar.c \
output.c \
reader.c \
skeleton.c \
symtab.c \
verbose.c \
warshall.c
all: $(PROGRAM)
$(PROGRAM): $(OBJS) $(LIBS)
@echo -n "Loading $(PROGRAM) ... "
@$(LINKER) $(LDFLAGS) @linkopt.msc
@echo "done"
# @$(LINKER) $(LDFLAGS) $(OBJS) $(LIBS) -o $(PROGRAM)
clean:; @rm -f $(OBJS)
depend:; @mkmf -f $(MAKEFILE) PROGRAM=$(PROGRAM) DEST=$(DEST)
index:; @ctags -wx $(HDRS) $(SRCS)
install: $(PROGRAM)
@echo Installing $(PROGRAM) in $(DEST)
@install -s $(PROGRAM) $(DEST)
listing:; @$(PRINT) Makefile $(HDRS) $(SRCS) | lpr
lint:; @lint $(SRCS)
program: $(PROGRAM)
tags: $(HDRS) $(SRCS); @ctags $(HDRS) $(SRCS)
update: $(DEST)/$(PROGRAM)
$(DEST)/$(PROGRAM): $(SRCS) $(LIBS) $(HDRS)
@make -f $(MAKEFILE) DEST=$(DEST) install
###
closure.obj: defs.h
error.obj: defs.h
lalr.obj: defs.h
lr0.c: defs.h
main.obj: defs.h
mkpar.obj: defs.h
output.obj: defs.h
reader.obj: defs.h
skeleton.obj: defs.h
symtab.obj: defs.h
verbose.obj: defs.h
warshall.obj: defs.h
@EOF
set `sum $sumopt <makefile.msc`; if test $1 -ne 1353
then
echo ERROR: makefile.msc checksum is $1 should be 1353
fi
chmod 644 makefile.msc
exit 0