Attachment 142122 Details for Bug 189101 – file.shar

file.shar

file.shar (text/plain), 1.68 KB, created by ksmakoto on 2014-04-29 10:10:00 UTC

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Creator: ksmakoto

Created: 2014-04-29 10:10:00 UTC

Size: 1.68 KB

patch

obsolete

># This is a shell archive.  Save it in a file, remove anything before
># this line, and then unpack it by entering "sh file".  Note, it may
># create directories; files and directories will be owned by you and
># have default permissions.
>#
># This archive contains:
>#
>#	Makefile
>#	calc.y
>#	run_samples.sh
>#
>echo x - Makefile
>sed 's/^X//' >Makefile << ''
>XBYACC=/usr/bin/yacc
>XBISON=/usr/local/bin/bison
>XYACC9=/usr/local/9/bin/yacc
>X
>Xall: calc_by calc_bi calc_9y
>X
>Xcalc_by.c: calc.y
>X	${BYACC} -o calc_by.c calc.y
>X
>Xcalc_bi.c: calc.y
>X	${BISON} -o calc_bi.c calc.y
>X
>Xcalc_9y.c: calc.y
>X	${YACC9} -o calc_9y.c calc.y
>X
>Xclean:
>X	rm -Rf calc_by* calc_bi* calc_9y*
>
>echo x - calc.y
>sed 's/^X//' >calc.y << ''
>X%{
>X#include <ctype.h>
>X#include <stdio.h>
>X#include <stdlib.h>
>X
>Xint yyparse(void);
>Xstatic int yylex(void);
>Xstatic void yyerror(char *s);
>X%}
>X
>X%token NUM
>X
>X%nonassoc '-'
>X
>X%%
>X
>Xprog	: expr { printf("%d\n", $1); }
>X
>Xexpr	: expr '-' expr { $$ = $1 - $3; }
>X	| NUM
>X	;
>X
>X%%
>X
>Xstatic int
>Xyylex(void)
>X{
>X	static int lastchar = -2;
>X
>X	if (lastchar == -2) {
>X		lastchar = getchar();
>X	}
>X
>X	if (lastchar == EOF) {
>X		return 0;
>X	} else if (isdigit(lastchar)) {
>X		int tmp = digittoint(lastchar);
>X		while (isdigit(lastchar = getchar())) {
>X			tmp = 10 * tmp + digittoint(lastchar);
>X		}
>X		yylval = tmp;
>X		return NUM;
>X	} else {
>X		yylval = lastchar;
>X		lastchar = getchar();
>X		return yylval;
>X	}
>X}
>X
>Xstatic void
>Xyyerror(char *s)
>X{
>X    fprintf(stderr, "%s\n", s);
>X}
>X
>Xint
>Xmain(void)
>X{
>X    yyparse();
>X
>X    return 0;
>X}
>
>echo x - run_samples.sh
>sed 's/^X//' >run_samples.sh << ''
>X#! /bin/sh
>Xmake
>Xecho -n "1-2-3" | ./calc_by
>Xecho -n "1-2-3" | ./calc_9y
>Xecho -n "1-2-3" | ./calc_bi
>
>exit

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Attachments on bug 189101: 142122