-/* $Header: a2py.c,v 1.0.1.1 88/01/28 11:07:08 root Exp $
+/* a2py.c
*
- * $Log: a2py.c,v $
- * Revision 1.0.1.1 88/01/28 11:07:08 root
- * patch8: added support for FOO=bar switches using eval.
- *
- * Revision 1.0 87/12/18 17:50:33 root
- * Initial revision
- *
+ * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ * 2000, 2001, 2002, by Larry Wall and others
+ *
+ * You may distribute under the terms of either the GNU General Public
+ * License or the Artistic License, as specified in the README file.
*/
+#if defined(OS2) || defined(WIN32) || defined(NETWARE)
+#if defined(WIN32)
+#include <io.h>
+#endif
+#if defined(NETWARE)
+#include "../netware/clibstuf.h"
+#endif
+#include "../patchlevel.h"
+#endif
#include "util.h"
-char *index();
-char *filename;
+const char *filename;
+const char *myname;
+
+int checkers = 0;
+
+int oper0(int type);
+int oper1(int type, int arg1);
+int oper2(int type, int arg1, int arg2);
+int oper3(int type, int arg1, int arg2, int arg3);
+int oper4(int type, int arg1, int arg2, int arg3, int arg4);
+int oper5(int type, int arg1, int arg2, int arg3, int arg4, int arg5);
+STR *walk(int useval, int level, register int node, int *numericptr, int minprec);
+#ifdef NETWARE
+char *savestr(char *str);
+char *cpy2(register char *to, register char *from, register int delim);
+#endif
+
+#if defined(OS2) || defined(WIN32) || defined(NETWARE)
+static void usage(void);
-main(argc,argv,env)
-register int argc;
-register char **argv;
-register char **env;
+static void
+usage()
+{
+ printf("\nThis is the AWK to PERL translator, revision %d.0, version %d\n", PERL_REVISION, PERL_VERSION);
+ printf("\nUsage: %s [-D<number>] [-F<char>] [-n<fieldlist>] [-<number>] filename\n", myname);
+ printf("\n -D<number> sets debugging flags."
+ "\n -F<character> the awk script to translate is always invoked with"
+ "\n this -F switch."
+ "\n -n<fieldlist> specifies the names of the input fields if input does"
+ "\n not have to be split into an array."
+ "\n -<number> causes a2p to assume that input will always have that"
+ "\n many fields.\n");
+ exit(1);
+}
+#endif
+
+#ifdef __osf__
+#pragma message disable (mainparm) /* We have the envp in main(). */
+#endif
+
+int
+main(register int argc, register const char **argv, register const char **env)
{
register STR *str;
- register char *s;
int i;
- STR *walk();
STR *tmpstr;
+ /* char *namelist; */
+ #ifdef NETWARE
+ fnInitGpfGlobals(); /* For importing the CLIB calls in place of Watcom calls */
+ #endif /* NETWARE */
+
+ myname = argv[0];
linestr = str_new(80);
str = str_new(0); /* first used for -I flags */
for (argc--,argv++; argc; argc--,argv++) {
if (argv[0][0] != '-' || !argv[0][1])
break;
- reswitch:
switch (argv[0][1]) {
#ifdef DEBUGGING
case 'D':
debug = atoi(argv[0]+2);
-#ifdef YYDEBUG
+#if YYDEBUG
yydebug = (debug & 1);
#endif
break;
case 'n':
namelist = savestr(argv[0]+2);
break;
+ case 'o':
+ old_awk = TRUE;
+ break;
case '-':
argc--,argv++;
goto switch_end;
case 0:
break;
default:
+#if defined(OS2) || defined(WIN32) || defined(NETWARE)
+ fprintf(stderr, "Unrecognized switch: %s\n",argv[0]);
+ usage();
+#else
fatal("Unrecognized switch: %s\n",argv[0]);
+#endif
}
}
switch_end:
/* open script */
- if (argv[0] == Nullch)
- argv[0] = "-";
+ if (argv[0] == NULL) {
+#if defined(OS2) || defined(WIN32) || defined(NETWARE)
+ if ( isatty(fileno(stdin)) )
+ usage();
+#endif
+ argv[0] = "-";
+ }
filename = savestr(argv[0]);
+
if (strEQ(filename,"-"))
argv[0] = "";
if (!*argv[0])
rsfp = stdin;
else
rsfp = fopen(argv[0],"r");
- if (rsfp == Nullfp)
+ if (rsfp == NULL)
fatal("Awk script \"%s\" doesn't seem to exist.\n",filename);
/* init tokener */
bufptr = str_get(linestr);
symtab = hnew();
+ curarghash = hnew();
/* now parse the report spec */
/* second pass to produce new program */
- tmpstr = walk(0,0,root,&i);
- str = str_make("#!/bin/perl\n\n");
+ tmpstr = walk(0,0,root,&i,P_MIN);
+ str = str_make(STARTPERL);
+ str_cat(str, "\neval 'exec ");
+ str_cat(str, BIN);
+ str_cat(str, "/perl -S $0 ${1+\"$@\"}'\n\
+ if $running_under_some_shell;\n\
+ # this emulates #! processing on NIH machines.\n\
+ # (remove #! line above if indigestible)\n\n");
str_cat(str,
- "eval '$'.$1.'$2;' while $ARGV[0] =~ /^([A-Za-z_]+=)(.*)/ && shift;\n");
+ "eval '$'.$1.'$2;' while $ARGV[0] =~ /^([A-Za-z_0-9]+=)(.*)/ && shift;\n");
str_cat(str,
" # process any FOO=bar switches\n\n");
if (do_opens && opens) {
#endif
fixup(str);
putlines(str);
+ if (checkers) {
+ fprintf(stderr,
+ "Please check my work on the %d line%s I've marked with \"#???\".\n",
+ checkers, checkers == 1 ? "" : "s" );
+ fprintf(stderr,
+ "The operation I've selected may be wrong for the operand types.\n");
+ }
exit(0);
+ /* by ANSI specs return is needed. This also shuts up VC++ and his warnings */
+ return(0);
}
#define RETURN(retval) return (bufptr = s,retval)
#define XTERM(retval) return (expectterm = TRUE,bufptr = s,retval)
#define XOP(retval) return (expectterm = FALSE,bufptr = s,retval)
-#define ID(x) return (yylval=string(x,0),expectterm = FALSE,bufptr = s,VAR)
+#define ID(x) return (yylval=string(x,0),expectterm = FALSE,bufptr = s,idtype)
-yylex()
+int idtype;
+
+int
+yylex(void)
{
register char *s = bufptr;
register char *d;
register int tmp;
retry:
-#ifdef YYDEBUG
- if (yydebug)
- if (index(s,'\n'))
+#if YYDEBUG
+ if (yydebug) {
+ if (strchr(s,'\n'))
fprintf(stderr,"Tokener at %s",s);
else
fprintf(stderr,"Tokener at %s\n",s);
+ }
#endif
switch (*s) {
default:
*s++,filename,line);
goto retry;
case '\\':
+ s++;
+ if (*s && *s != '\n') {
+ yyerror("Ignoring spurious backslash");
+ goto retry;
+ }
+ /*FALLSTHROUGH*/
case 0:
s = str_get(linestr);
*s = '\0';
if (!rsfp)
RETURN(0);
line++;
- if ((s = str_gets(linestr, rsfp)) == Nullch) {
+ if ((s = str_gets(linestr, rsfp)) == NULL) {
if (rsfp != stdin)
fclose(rsfp);
- rsfp = Nullfp;
+ rsfp = NULL;
s = str_get(linestr);
RETURN(0);
}
}
XTERM(tmp);
case '(':
+ tmp = *s++;
+ XTERM(tmp);
case '{':
case '[':
case ')':
case ']':
+ case '?':
+ case ':':
tmp = *s++;
XOP(tmp);
+#ifdef EBCDIC
+ case 7:
+#else
case 127:
+#endif
s++;
XTERM('}');
case '}':
- for (d = s + 1; isspace(*d); d++) ;
+ for (d = s + 1; isSPACE(*d); d++) ;
if (!*d)
s = d - 1;
*s = 127;
XTERM(tmp);
case '~':
s++;
+ yylval = string("~",1);
XTERM(MATCHOP);
case '+':
case '-':
/* FALL THROUGH */
case '*':
case '%':
+ case '^':
tmp = *s++;
if (*s == '=') {
- yylval = string(s-1,2);
+ if (tmp == '^')
+ yylval = string("**=",3);
+ else
+ yylval = string(s-1,2);
s++;
XTERM(ASGNOP);
}
if (tmp == '|')
XTERM(OROR);
s--;
- XTERM('|');
+ while (*s == ' ' || *s == '\t')
+ s++;
+ if (strnEQ(s,"getline",7))
+ XTERM('p');
+ else
+ XTERM('|');
case '=':
s++;
tmp = *s++;
XTERM(RELOP);
}
s--;
- yylval = string("<",1);
- XTERM(RELOP);
+ XTERM('<');
case '>':
s++;
tmp = *s++;
+ if (tmp == '>') {
+ yylval = string(">>",2);
+ XTERM(GRGR);
+ }
if (tmp == '=') {
yylval = string(">=",2);
XTERM(RELOP);
}
s--;
- yylval = string(">",1);
- XTERM(RELOP);
+ XTERM('>');
#define SNARFWORD \
d = tokenbuf; \
- while (isalpha(*s) || isdigit(*s) || *s == '_') \
+ while (isALPHA(*s) || isDIGIT(*s) || *s == '_') \
*d++ = *s++; \
*d = '\0'; \
- d = tokenbuf;
+ d = tokenbuf; \
+ if (*s == '(') \
+ idtype = USERFUN; \
+ else \
+ idtype = VAR;
case '$':
s++;
s++;
do_chop = TRUE;
need_entire = TRUE;
+ idtype = VAR;
ID("0");
}
do_split = TRUE;
- if (isdigit(*s)) {
- for (d = s; isdigit(*s); s++) ;
+ if (isDIGIT(*s)) {
+ for (d = s; isDIGIT(*s); s++) ;
yylval = string(d,s-d);
tmp = atoi(d);
if (tmp > maxfld)
maxfld = tmp;
XOP(FIELD);
}
+ for (d = s; isALPHA(*s) || isDIGIT(*s) || *s == '_'; )
+ s++;
split_to_array = set_array_base = TRUE;
+ if (d != s)
+ {
+ yylval = string(d,s-d);
+ XTERM(SVFIELD);
+ }
XOP(VFIELD);
case '/': /* may either be division or pattern */
XTERM(tmp);
case '0': case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
+ case '5': case '6': case '7': case '8': case '9': case '.':
s = scannum(s);
XOP(NUMBER);
case '"':
case 'a': case 'A':
SNARFWORD;
+ if (strEQ(d,"ARGC"))
+ set_array_base = TRUE;
+ if (strEQ(d,"ARGV")) {
+ yylval=numary(string("ARGV",0));
+ XOP(VAR);
+ }
+ if (strEQ(d,"atan2")) {
+ yylval = OATAN2;
+ XTERM(FUNN);
+ }
ID(d);
case 'b': case 'B':
SNARFWORD;
SNARFWORD;
if (strEQ(d,"continue"))
XTERM(CONTINUE);
+ if (strEQ(d,"cos")) {
+ yylval = OCOS;
+ XTERM(FUN1);
+ }
+ if (strEQ(d,"close")) {
+ do_fancy_opens = 1;
+ yylval = OCLOSE;
+ XTERM(FUN1);
+ }
+ if (strEQ(d,"chdir"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"crypt"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"chop"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"chmod"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"chown"))
+ *d = toUPPER(*d);
ID(d);
case 'd': case 'D':
SNARFWORD;
+ if (strEQ(d,"do"))
+ XTERM(DO);
+ if (strEQ(d,"delete"))
+ XTERM(DELETE);
+ if (strEQ(d,"die"))
+ *d = toUPPER(*d);
ID(d);
case 'e': case 'E':
SNARFWORD;
yylval = OEXP;
XTERM(FUN1);
}
+ if (strEQ(d,"elsif"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"eq"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"eval"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"eof"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"each"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"exec"))
+ *d = toUPPER(*d);
ID(d);
case 'f': case 'F':
SNARFWORD;
if (strEQ(d,"FS")) {
saw_FS++;
if (saw_FS == 1 && in_begin) {
- for (d = s; *d && isspace(*d); d++) ;
+ for (d = s; *d && isSPACE(*d); d++) ;
if (*d == '=') {
- for (d++; *d && isspace(*d); d++) ;
+ for (d++; *d && isSPACE(*d); d++) ;
if (*d == '"' && d[2] == '"')
const_FS = d[1];
}
}
ID(tokenbuf);
}
- if (strEQ(d,"FILENAME"))
- d = "ARGV";
if (strEQ(d,"for"))
XTERM(FOR);
+ else if (strEQ(d,"function"))
+ XTERM(FUNCTION);
+ if (strEQ(d,"FILENAME"))
+ ID("ARGV");
+ if (strEQ(d,"foreach"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"format"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"fork"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"fh"))
+ *d = toUPPER(*d);
ID(d);
case 'g': case 'G':
SNARFWORD;
if (strEQ(d,"getline"))
XTERM(GETLINE);
+ if (strEQ(d,"gsub"))
+ XTERM(GSUB);
+ if (strEQ(d,"ge"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"gt"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"goto"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"gmtime"))
+ *d = toUPPER(*d);
ID(d);
case 'h': case 'H':
SNARFWORD;
+ if (strEQ(d,"hex"))
+ *d = toUPPER(*d);
ID(d);
case 'i': case 'I':
SNARFWORD;
ID(d);
case 'j': case 'J':
SNARFWORD;
+ if (strEQ(d,"join"))
+ *d = toUPPER(*d);
ID(d);
case 'k': case 'K':
SNARFWORD;
+ if (strEQ(d,"keys"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"kill"))
+ *d = toUPPER(*d);
ID(d);
case 'l': case 'L':
SNARFWORD;
yylval = OLOG;
XTERM(FUN1);
}
+ if (strEQ(d,"last"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"local"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"lt"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"le"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"locatime"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"link"))
+ *d = toUPPER(*d);
ID(d);
case 'm': case 'M':
SNARFWORD;
+ if (strEQ(d,"match")) {
+ set_array_base = TRUE;
+ XTERM(MATCH);
+ }
+ if (strEQ(d,"m"))
+ *d = toUPPER(*d);
ID(d);
case 'n': case 'N':
SNARFWORD;
if (strEQ(d,"NF"))
- do_split = split_to_array = set_array_base = TRUE;
+ do_chop = do_split = split_to_array = set_array_base = TRUE;
if (strEQ(d,"next")) {
saw_line_op = TRUE;
XTERM(NEXT);
}
+ if (strEQ(d,"ne"))
+ *d = toUPPER(*d);
ID(d);
case 'o': case 'O':
SNARFWORD;
if (strEQ(d,"ORS")) {
saw_ORS = TRUE;
- d = "$\\";
+ ID("\\");
}
if (strEQ(d,"OFS")) {
saw_OFS = TRUE;
- d = "$,";
+ ID(",");
}
if (strEQ(d,"OFMT")) {
- d = "$#";
+ ID("#");
}
+ if (strEQ(d,"open"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"ord"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"oct"))
+ *d = toUPPER(*d);
ID(d);
case 'p': case 'P':
SNARFWORD;
if (strEQ(d,"printf")) {
XTERM(PRINTF);
}
+ if (strEQ(d,"push"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"pop"))
+ *d = toUPPER(*d);
ID(d);
case 'q': case 'Q':
SNARFWORD;
case 'r': case 'R':
SNARFWORD;
if (strEQ(d,"RS")) {
- d = "$/";
saw_RS = TRUE;
+ ID("/");
}
+ if (strEQ(d,"rand")) {
+ yylval = ORAND;
+ XTERM(FUN1);
+ }
+ if (strEQ(d,"return"))
+ XTERM(RET);
+ if (strEQ(d,"reset"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"redo"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"rename"))
+ *d = toUPPER(*d);
ID(d);
case 's': case 'S':
SNARFWORD;
set_array_base = TRUE;
XTERM(SUBSTR);
}
- if (strEQ(d,"sprintf"))
- XTERM(SPRINTF);
+ if (strEQ(d,"sub"))
+ XTERM(SUB);
+ if (strEQ(d,"sprintf")) {
+ /* In old awk, { print sprintf("str%sg"),"in" } prints
+ * "string"; in new awk, "in" is not considered an argument to
+ * sprintf, so the statement breaks. To support both, the
+ * grammar treats arguments to SPRINTF_OLD like old awk,
+ * SPRINTF_NEW like new. Here we return the appropriate one.
+ */
+ XTERM(old_awk ? SPRINTF_OLD : SPRINTF_NEW);
+ }
if (strEQ(d,"sqrt")) {
yylval = OSQRT;
XTERM(FUN1);
}
+ if (strEQ(d,"SUBSEP")) {
+ ID(";");
+ }
+ if (strEQ(d,"sin")) {
+ yylval = OSIN;
+ XTERM(FUN1);
+ }
+ if (strEQ(d,"srand")) {
+ yylval = OSRAND;
+ XTERM(FUN1);
+ }
+ if (strEQ(d,"system")) {
+ yylval = OSYSTEM;
+ XTERM(FUN1);
+ }
+ if (strEQ(d,"s"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"shift"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"select"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"seek"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"stat"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"study"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"sleep"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"symlink"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"sort"))
+ *d = toUPPER(*d);
ID(d);
case 't': case 'T':
SNARFWORD;
+ if (strEQ(d,"tr"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"tell"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"time"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"times"))
+ *d = toUPPER(*d);
ID(d);
case 'u': case 'U':
SNARFWORD;
+ if (strEQ(d,"until"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"unless"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"umask"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"unshift"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"unlink"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"utime"))
+ *d = toUPPER(*d);
ID(d);
case 'v': case 'V':
SNARFWORD;
+ if (strEQ(d,"values"))
+ *d = toUPPER(*d);
ID(d);
case 'w': case 'W':
SNARFWORD;
if (strEQ(d,"while"))
XTERM(WHILE);
+ if (strEQ(d,"write"))
+ *d = toUPPER(*d);
+ else if (strEQ(d,"wait"))
+ *d = toUPPER(*d);
ID(d);
case 'x': case 'X':
SNARFWORD;
+ if (strEQ(d,"x"))
+ *d = toUPPER(*d);
ID(d);
case 'y': case 'Y':
SNARFWORD;
+ if (strEQ(d,"y"))
+ *d = toUPPER(*d);
ID(d);
case 'z': case 'Z':
SNARFWORD;
}
char *
-scanpat(s)
-register char *s;
+scanpat(register char *s)
{
register char *d;
default:
fatal("Search pattern not found:\n%s",str_get(linestr));
}
- s = cpytill(tokenbuf,s,s[-1]);
+
+ d = tokenbuf;
+ for (; *s; s++,d++) {
+ if (*s == '\\') {
+ if (s[1] == '/')
+ *d++ = *s++;
+ else if (s[1] == '\\')
+ *d++ = *s++;
+ else if (s[1] == '[')
+ *d++ = *s++;
+ }
+ else if (*s == '[') {
+ *d++ = *s++;
+ do {
+ if (*s == '\\' && s[1])
+ *d++ = *s++;
+ if (*s == '/' || (*s == '-' && s[1] == ']'))
+ *d++ = '\\';
+ *d++ = *s++;
+ } while (*s && *s != ']');
+ }
+ else if (*s == '/')
+ break;
+ *d = *s;
+ }
+ *d = '\0';
+
if (!*s)
fatal("Search pattern not terminated:\n%s",str_get(linestr));
s++;
return s;
}
-yyerror(s)
-char *s;
+void
+yyerror(const char *s)
{
fprintf(stderr,"%s in file %s at line %d\n",
s,filename,line);
}
char *
-scannum(s)
-register char *s;
+scannum(register char *s)
{
register char *d;
case '1': case '2': case '3': case '4': case '5':
case '6': case '7': case '8': case '9': case '0' : case '.':
d = tokenbuf;
- while (isdigit(*s) || *s == '_')
- *d++ = *s++;
- if (*s == '.' && index("0123456789eE",s[1]))
- *d++ = *s++;
- while (isdigit(*s) || *s == '_')
+ while (isDIGIT(*s)) {
*d++ = *s++;
- if (index("eE",*s) && index("+-0123456789",s[1]))
- *d++ = *s++;
- if (*s == '+' || *s == '-')
- *d++ = *s++;
- while (isdigit(*s))
+ }
+ if (*s == '.') {
+ if (isDIGIT(s[1])) {
+ *d++ = *s++;
+ while (isDIGIT(*s)) {
+ *d++ = *s++;
+ }
+ }
+ else
+ s++;
+ }
+ if (strchr("eE",*s) && strchr("+-0123456789",s[1])) {
*d++ = *s++;
+ if (*s == '+' || *s == '-')
+ *d++ = *s++;
+ while (isDIGIT(*s))
+ *d++ = *s++;
+ }
*d = '\0';
yylval = string(tokenbuf,0);
break;
return s;
}
-string(ptr,len)
-char *ptr;
+int
+string(const char *ptr, int len)
{
int retval = mop;
ops[mop++].ival = OSTRING + (1<<8);
if (!len)
len = strlen(ptr);
- ops[mop].cval = safemalloc(len+1);
+ ops[mop].cval = (char *) safemalloc(len+1);
strncpy(ops[mop].cval,ptr,len);
ops[mop++].cval[len] = '\0';
+ if (mop >= OPSMAX)
+ fatal("Recompile a2p with larger OPSMAX\n");
return retval;
}
-oper0(type)
-int type;
+int
+oper0(int type)
{
int retval = mop;
if (type > 255)
fatal("type > 255 (%d)\n",type);
ops[mop++].ival = type;
+ if (mop >= OPSMAX)
+ fatal("Recompile a2p with larger OPSMAX\n");
return retval;
}
-oper1(type,arg1)
-int type;
-int arg1;
+int
+oper1(int type, int arg1)
{
int retval = mop;
fatal("type > 255 (%d)\n",type);
ops[mop++].ival = type + (1<<8);
ops[mop++].ival = arg1;
+ if (mop >= OPSMAX)
+ fatal("Recompile a2p with larger OPSMAX\n");
return retval;
}
-oper2(type,arg1,arg2)
-int type;
-int arg1;
-int arg2;
+int
+oper2(int type, int arg1, int arg2)
{
int retval = mop;
ops[mop++].ival = type + (2<<8);
ops[mop++].ival = arg1;
ops[mop++].ival = arg2;
+ if (mop >= OPSMAX)
+ fatal("Recompile a2p with larger OPSMAX\n");
return retval;
}
-oper3(type,arg1,arg2,arg3)
-int type;
-int arg1;
-int arg2;
-int arg3;
+int
+oper3(int type, int arg1, int arg2, int arg3)
{
int retval = mop;
ops[mop++].ival = arg1;
ops[mop++].ival = arg2;
ops[mop++].ival = arg3;
+ if (mop >= OPSMAX)
+ fatal("Recompile a2p with larger OPSMAX\n");
return retval;
}
-oper4(type,arg1,arg2,arg3,arg4)
-int type;
-int arg1;
-int arg2;
-int arg3;
-int arg4;
+int
+oper4(int type, int arg1, int arg2, int arg3, int arg4)
{
int retval = mop;
ops[mop++].ival = arg2;
ops[mop++].ival = arg3;
ops[mop++].ival = arg4;
+ if (mop >= OPSMAX)
+ fatal("Recompile a2p with larger OPSMAX\n");
return retval;
}
-oper5(type,arg1,arg2,arg3,arg4,arg5)
-int type;
-int arg1;
-int arg2;
-int arg3;
-int arg4;
-int arg5;
+int
+oper5(int type, int arg1, int arg2, int arg3, int arg4, int arg5)
{
int retval = mop;
ops[mop++].ival = arg3;
ops[mop++].ival = arg4;
ops[mop++].ival = arg5;
+ if (mop >= OPSMAX)
+ fatal("Recompile a2p with larger OPSMAX\n");
return retval;
}
int depth = 0;
-dump(branch)
-int branch;
+void
+dump(int branch)
{
register int type;
register int len;
}
}
-bl(arg,maybe)
-int arg;
-int maybe;
+int
+bl(int arg, int maybe)
{
if (!arg)
return 0;
else if ((ops[arg].ival & 255) != OBLOCK)
return oper2(OBLOCK,arg,maybe);
- else if ((ops[arg].ival >> 8) != 2)
+ else if ((ops[arg].ival >> 8) < 2)
return oper2(OBLOCK,ops[arg+1].ival,maybe);
else
return arg;
}
-fixup(str)
-STR *str;
+void
+fixup(STR *str)
{
register char *s;
register char *t;
s++;
}
else if (*s == '\n') {
- for (t = s+1; isspace(*t & 127); t++) ;
+ for (t = s+1; isSPACE(*t & 127); t++) ;
t--;
- while (isspace(*t & 127) && *t != '\n') t--;
+ while (isSPACE(*t & 127) && *t != '\n') t--;
if (*t == '\n' && t-s > 1) {
if (s[-1] == '{')
s--;
}
}
-putlines(str)
-STR *str;
+void
+putlines(STR *str)
{
register char *d, *s, *t, *e;
register int pos, newpos;
if (pos > 78) { /* split a long line? */
*d-- = '\0';
newpos = 0;
- for (t = tokenbuf; isspace(*t & 127); t++) {
+ for (t = tokenbuf; isSPACE(*t & 127); t++) {
if (*t == '\t')
newpos += 8;
else
d--;
}
if (d > t+3) {
- *d = '\0';
+ char save[2048];
+ strcpy(save, d);
+ *d = '\n';
+ d[1] = '\0';
putone();
putchar('\n');
if (d[-1] != ';' && !(newpos % 4)) {
*t++ = ' ';
newpos += 2;
}
- strcpy(t,d+1);
+ strcpy(t,save+1);
newpos += strlen(t);
d = t + strlen(t);
pos = newpos;
}
}
-putone()
+void
+putone(void)
{
register char *t;
if (*t == 127) {
*t = ' ';
strcpy(t+strlen(t)-1, "\t#???\n");
+ checkers++;
}
}
t = tokenbuf;
if (*t == '#') {
if (strnEQ(t,"#!/bin/awk",10) || strnEQ(t,"#! /bin/awk",11))
return;
+ if (strnEQ(t,"#!/usr/bin/awk",14) || strnEQ(t,"#! /usr/bin/awk",15))
+ return;
}
fputs(tokenbuf,stdout);
}
-numary(arg)
-int arg;
+int
+numary(int arg)
{
STR *key;
int dummy;
- key = walk(0,0,arg,&dummy);
+ key = walk(0,0,arg,&dummy,P_MIN);
str_cat(key,"[]");
hstore(symtab,key->str_ptr,str_make("1"));
str_free(key);
set_array_base = TRUE;
return arg;
}
+
+int
+rememberargs(int arg)
+{
+ int type;
+ STR *str;
+
+ if (!arg)
+ return arg;
+ type = ops[arg].ival & 255;
+ if (type == OCOMMA) {
+ rememberargs(ops[arg+1].ival);
+ rememberargs(ops[arg+3].ival);
+ }
+ else if (type == OVAR) {
+ str = str_new(0);
+ hstore(curarghash,ops[ops[arg+1].ival+1].cval,str);
+ }
+ else
+ fatal("panic: unknown argument type %d, line %d\n",type,line);
+ return arg;
+}
+
+int
+aryrefarg(int arg)
+{
+ int type = ops[arg].ival & 255;
+ STR *str;
+
+ if (type != OSTRING)
+ fatal("panic: aryrefarg %d, line %d\n",type,line);
+ str = hfetch(curarghash,ops[arg+1].cval);
+ if (str)
+ str_set(str,"*");
+ return arg;
+}
+
+int
+fixfargs(int name, int arg, int prevargs)
+{
+ int type;
+ STR *str;
+ int numargs = 0;
+
+ if (!arg)
+ return prevargs;
+ type = ops[arg].ival & 255;
+ if (type == OCOMMA) {
+ numargs = fixfargs(name,ops[arg+1].ival,prevargs);
+ numargs = fixfargs(name,ops[arg+3].ival,numargs);
+ }
+ else if (type == OVAR) {
+ str = hfetch(curarghash,ops[ops[arg+1].ival+1].cval);
+ if (strEQ(str_get(str),"*")) {
+ char tmpbuf[128];
+
+ str_set(str,""); /* in case another routine has this */
+ ops[arg].ival &= ~255;
+ ops[arg].ival |= OSTAR;
+ sprintf(tmpbuf,"%s:%d",ops[name+1].cval,prevargs);
+ fprintf(stderr,"Adding %s\n",tmpbuf);
+ str = str_new(0);
+ str_set(str,"*");
+ hstore(curarghash,tmpbuf,str);
+ }
+ numargs = prevargs + 1;
+ }
+ else
+ fatal("panic: unknown argument type %d, arg %d, line %d\n",
+ type,prevargs+1,line);
+ return numargs;
+}
+
+int
+fixrargs(char *name, int arg, int prevargs)
+{
+ int type;
+ STR *str;
+ int numargs;
+
+ if (!arg)
+ return prevargs;
+ type = ops[arg].ival & 255;
+ if (type == OCOMMA) {
+ numargs = fixrargs(name,ops[arg+1].ival,prevargs);
+ numargs = fixrargs(name,ops[arg+3].ival,numargs);
+ }
+ else {
+ char *tmpbuf = (char *) safemalloc(strlen(name) + (sizeof(prevargs) * 3) + 5);
+ sprintf(tmpbuf,"%s:%d",name,prevargs);
+ str = hfetch(curarghash,tmpbuf);
+ safefree(tmpbuf);
+ if (str && strEQ(str->str_ptr,"*")) {
+ if (type == OVAR || type == OSTAR) {
+ ops[arg].ival &= ~255;
+ ops[arg].ival |= OSTAR;
+ }
+ else
+ fatal("Can't pass expression by reference as arg %d of %s\n",
+ prevargs+1, name);
+ }
+ numargs = prevargs + 1;
+ }
+ return numargs;
+}
https://perl5.git.perl.org / perl5.git / blobdiff