implement t, the last simple type

splubp.p8

@@ -138,7 +138,9 @@ function splubp:wnx(...)
 end
 
 function splubp:emit_item(obj, filename)
- debug_last_emit = obj -- global debug
+ if DEBUG then
+  --[[global]] splubp_last_emit = obj
+ end
  filename = filename or obj._file
  obj._addr = self.ptr
  self:write_s(filename)
@@ -196,6 +198,7 @@ function splubp:write_shr(n)
 end
 
 function splubp:write_a(tbl)
+ if (DEBUG) assert(#tbl <= 255, "'a' can't write array of length "..#tbl)
  self:write_c(#tbl)
  local rpt = self.cri
  for item in all(tbl) do
@@ -203,6 +206,17 @@ function splubp:write_a(tbl)
   self:wnx(item)
  end
 end
+
+function splubp:write_t(tbl)
+ if DEBUG then
+  local want_len = self.row[self.cri]
+  assert(#tbl == want_len, "'t' wants "..tostr(want_len).." items, but got "..#tbl..": "..tostr(tbl))
+ end
+ for i=1,self:op() do
+  self:wnx(tbl[i])
+ end
+end
+
 -->8
 -- loader
 
@@ -234,3 +248,11 @@ function splubp:a()
  end
  return ret
 end
+
+function splubp:t()
+ local ret = {}
+ for i=1,self:op() do
+  add(ret, self:rnx())
+ end
+ return ret
+end