diff options
Diffstat (limited to 'unix/boot/spp/rpp/ratlibr/patsiz.r')
| -rw-r--r-- | unix/boot/spp/rpp/ratlibr/patsiz.r | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/unix/boot/spp/rpp/ratlibr/patsiz.r b/unix/boot/spp/rpp/ratlibr/patsiz.r new file mode 100644 index 00000000..54265b64 --- /dev/null +++ b/unix/boot/spp/rpp/ratlibr/patsiz.r @@ -0,0 +1,21 @@ +include defs + +# patsiz --- returns size of pattern entry at pat (n) + + integer function patsiz (pat, n) + character pat (MAXPAT) + integer n + + if (pat (n) == CHAR | pat (n) == START_TAG | pat (n) == STOP_TAG) + patsiz = 2 + else if (pat (n) == BOL | pat (n) == EOL | pat (n) == ANY) + patsiz = 1 + else if (pat (n) == CCL | pat (n) == NCCL) + patsiz = pat (n + 1) + 2 + else if (pat (n) == CLOSURE) # optional + patsiz = CLOSIZE + else + call error ("in patsiz: can't happen.") + + return + end |