awk version 20121220
program = |BEGIN{a="foo-bar"; gsub(/[^[:print:]]/,"",a); print a}|
setsymtab set 0x73f48f9320e0: n=0 s="0" f=0 t=17
setsymtab set 0x73f48f932110: n=$zero&null s="" f=0 t=17
setsymtab set 0x73f48f932140: n=FS s=" " f=0 t=6
setsymtab set 0x73f48f932170: n=RS s="
" f=0 t=6
setsymtab set 0x73f48f9321a0: n=OFS s=" " f=0 t=6
setsymtab set 0x73f48f9321d0: n=ORS s="
" f=0 t=6
setsymtab set 0x73f48f932200: n=OFMT s="%.6g" f=0 t=6
setsymtab set 0x73f48f932230: n=CONVFMT s="%.6g" f=0 t=6
setsymtab set 0x73f48f932260: n=FILENAME s="" f=0 t=6
setsymtab set 0x73f48f932290: n=NF s="" f=0 t=1
setsymtab set 0x73f48f9322c0: n=NR s="" f=0 t=1
setsymtab set 0x73f48f9322f0: n=FNR s="" f=0 t=1
setsymtab set 0x73f48f932320: n=SUBSEP s="" f=0 t=6
setsymtab set 0x73f48f932350: n=RSTART s="" f=0 t=1
setsymtab set 0x73f48f932380: n=RLENGTH s="" f=0 t=1
setsymtab set 0x73f48f9323b0: n=SYMTAB s="" f=0 t=20
argc=1, argv[0]=awk
setsymtab set 0x73f48f9323e0: n=ARGC s="" f=1 t=1
setsymtab set 0x73f48f932410: n=ARGV s="" f=0 t=20
setsymtab set 0x73f48f932440: n=0 s="awk" f=0 t=2
setsymtab set 0x73f48f932470: n=ENVIRON s="" f=0 t=20
[... several environment variables ...]
setsymtab set 0x73f48f932740: n=LANG s="de_DE.UTF-8" f=0 t=2
[... several other environment variables ...]
adjbuf gettok: 5 100 (pbuf=0x73f48f9234c0, tbuf=0x73f48f93a0f0)
lex XBEGIN
lex token 123
setsymtab set 0x73f48f933160: n=a s="" f=0 t=7
lex VAR
lex ASGNOP
setsymtab set 0x73f48f933190: n=foo-bar  s="foo-bar" f=0 t=16
lex STRING
lex token 59
lex GSUB
lex token 40
lex token 47
lex REGEXPR
lex token 47
lex token 44
setsymtab set 0x73f48f9331f0: n=  s="" f=0 t=16
lex STRING
lex token 44
setsymtab found 0x73f48f933160: n=a s="" f=0 t=7
lex VAR
lex token 41
reparse <[^[:print:]]>
cclenter: in = | !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~|, out = | !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[]^_`abcdefghijklmnopqrstuvwxyz{|}~|
lex token 59
lex PRINT
setsymtab found 0x73f48f933160: n=a s="" f=0 t=7
lex VAR
lex token 59
lex token 125
errorflag=0
getsval 0x73f48f933190: foo-bar  = "foo-bar (0x73f48f9234d8)", t=16
starting setsval 0x73f48f933160: a = "foo-bar", t=7, r,f=0,0
setsval 0x73f48f933160: a = "foo-bar (0x73f48f923518) ", t=2 r,f=0,0
getsval 0x73f48f933160: a = "foo-bar (0x73f48f923518)", t=2
getsval 0x73f48f933160: a = "foo-bar (0x73f48f923518)", t=2
foo-bar