1 files changed, 62 insertions, 0 deletions
diff --git a/unix/boot/spp/rpp/rpprat/getdef.r b/unix/boot/spp/rpp/rpprat/getdef.r
new file mode 100644
index 00000000..be97b439
--- /dev/null
+++ b/unix/boot/spp/rpp/rpprat/getdef.r
@@ -0,0 +1,62 @@
+#-h-  getdef			 1634  local   12/01/80  15:54:08
+# getdef (for no arguments) - get name and definition
+   include  defs
+
+   subroutine getdef (token, toksiz, defn, defsiz)
+   character token (MAXTOK), defn (MAXDEF)
+   integer toksiz, defsiz
+
+   include COMMON_BLOCKS
+
+   character c, t, ptoken (MAXTOK)
+   character gtok, ngetch
+
+   integer i, nlpar
+
+   call skpblk
+   c = gtok (ptoken, MAXTOK)
+   if (c == LPAREN)
+      t = LPAREN	     # define (name, defn)
+   else {
+      t = BLANK 	     # define name defn
+      call pbstr (ptoken)
+      }
+   call skpblk
+   if (gtok (token, toksiz) != ALPHA)
+      call baderr ("non-alphanumeric name.")
+   call skpblk
+   c = gtok (ptoken, MAXTOK)
+   if (t == BLANK) {	     # define name defn
+      call pbstr (ptoken)
+      i = 1
+      repeat {
+	 c = ngetch (c)
+	 if (i > defsiz)
+	    call baderr ("definition too long.")
+	 defn (i) = c
+	 i = i + 1
+	 } until (c == SHARP | c == NEWLINE | c == EOF)
+      if (c == SHARP)
+	 call putbak (c)
+      }
+   else if (t == LPAREN) {   # define (name, defn)
+      if (c != COMMA)
+	 call baderr ("missing comma in define.")
+      # else got (name,
+      nlpar = 0
+      for (i = 1; nlpar >= 0; i = i + 1)
+	 if (i > defsiz)
+	    call baderr ("definition too long.")
+	 else if (ngetch (defn (i)) == EOF)
+	    call baderr ("missing right paren.")
+	 else if (defn (i) == LPAREN)
+	    nlpar = nlpar + 1
+	 else if (defn (i) == RPAREN)
+	    nlpar = nlpar - 1
+	 # else normal character in defn (i)
+      }
+   else
+      call baderr ("getdef is confused.")
+   defn (i - 1) = EOS
+   return
+   end