0c8de5b03c
Among all the modifications, this new byacc also solves a 14 year old bug [1] PR: bin/23254 [1] Submitted by: marka@nominum.com [1] MFC after: 3 weeks
113 lines
2.8 KiB
Plaintext
113 lines
2.8 KiB
Plaintext
# vile: awkmode
|
|
function noident(given) {
|
|
gsub(/\$/,"@", given);
|
|
return given;
|
|
}
|
|
BEGIN { havesection = 0;
|
|
version = "$Id: skel2c,v 1.3 2014/04/06 19:48:04 tom Exp $";
|
|
nsec = 0;
|
|
ifdef = "";
|
|
printf "/* This file generated automatically using\n * %s\n */\n\n",
|
|
noident(version);
|
|
}
|
|
/[$]Id[:][^$]*[$]/ {
|
|
printf "%s\n", noident($0);
|
|
next;
|
|
}
|
|
/^%% *insert *VERSION *here/ {
|
|
printf " CONCAT1(\"#define YYMAJOR \", YYMAJOR),\n";
|
|
printf " CONCAT1(\"#define YYMINOR \", YYMINOR),\n";
|
|
printf "#ifdef YYPATCH\n";
|
|
printf " CONCAT1(\"#define YYPATCH \", YYPATCH),\n";
|
|
printf "#endif\n";
|
|
next;
|
|
}
|
|
/^%%ifdef/ {
|
|
if (NF >= 2) {
|
|
printf "#if defined(%s)\n", $2;
|
|
printf " \"#if %s\",\n", $2;
|
|
} else {
|
|
_abort_exit = 1;
|
|
printf "skel2c: ill-formed %%ifdef in skeleton file on line %d\n", FNR > "/dev/stderr";
|
|
exit 2;
|
|
}
|
|
if (ifdef != "") {
|
|
printf "skel2c: nested %%ifdef in skeleton file on line %d\n", FNR > "/dev/stderr";
|
|
exit 2;
|
|
}
|
|
ifdef = $2;
|
|
next;
|
|
}
|
|
/^%%endif/ {
|
|
if (ifdef != "") {
|
|
if (NF >= 2) {
|
|
printf " \"#endif /* %s */\",\n", $2;
|
|
printf "#endif /* defined(%s) */\n", $2;
|
|
} else {
|
|
printf " \"#endif /* %s */\",\n", ifdef;
|
|
printf "#endif /* defined(%s) */\n", ifdef;
|
|
}
|
|
ifdef = "";
|
|
} else {
|
|
printf " \"#endif\",\n";
|
|
printf "#endif\n";
|
|
printf "skel2c: unmatched %endif in skeleton file on line %d\n", FNR > "/dev/stderr";
|
|
exit 2;
|
|
}
|
|
next;
|
|
}
|
|
/^%%/ { if (havesection) {
|
|
printf " 0\n};\n\n";
|
|
}
|
|
if (NF >= 2) {
|
|
havesection = 1;
|
|
section = $2;
|
|
seclist[nsec] = section;
|
|
nsec = nsec + 1;
|
|
printf "const char *const %s[] =\n{\n", $2;
|
|
} else {
|
|
havesection = 0;
|
|
}
|
|
next;
|
|
}
|
|
{ if (havesection) {
|
|
# Could use 'gsub(/\\/, "\\\\")' instead of the following
|
|
# two lines, but there's a bug in mawk and the original
|
|
# awk (not in gawk) which is triggered by that.
|
|
gsub(/\\/, "\\\1");
|
|
gsub(/\1/, "\\");
|
|
# gsub(/\t/, "\\t"); # change '\t' to "\\t"
|
|
gsub(/\"/, "\\\"");
|
|
printf " \"%s\",\n", $0;
|
|
} else {
|
|
print $0;
|
|
}
|
|
}
|
|
END { if (_abort_exit)
|
|
exit 2;
|
|
if (havesection) {
|
|
print " 0\n};\n";
|
|
}
|
|
if (nsec > 0) {
|
|
print "void";
|
|
print "write_section(FILE * fp, const char *const section[])";
|
|
print "{";
|
|
print " int i;";
|
|
print " const char *s;\n";
|
|
print " for (i = 0; (s = section[i]) != 0; ++i)";
|
|
print " {";
|
|
print "\tif (fp == code_file)";
|
|
print "\t ++outline;";
|
|
print "\tfprintf(fp, \"%s\\n\", s);";
|
|
print " }";
|
|
print "}";
|
|
} else {
|
|
print "skel2c: no sections defined in skeleton file" > "/dev/stderr";
|
|
exit 2;
|
|
}
|
|
if (ifdef != "") {
|
|
printf "skel2c: unmatched %%ifdef %s at end of skeleton file\n", $ifdef > "/dev/stderr";
|
|
exit 2;
|
|
}
|
|
}
|