-- Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd.
-- All rights reserved.
-- Copyright (C) 2007-2010, Gabriel Dos Reis
-- All rights reserved.
--
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-- modification, are permitted provided that the following conditions are
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--
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--     - Redistributions in binary form must reproduce the above copyright
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--

--
-- This file defines functions related to diagnostics issuance, etc.
-- These routines are bused by both the interprerter and the compiler.
--

import sys_-constants
import sys_-globals
import vmlisp
namespace BOOT


++ This routine is used by the interperter to count syntax, or
++ precompilation, or semantics analysis errors.

BUMPERRORCOUNT kind ==
  countError()
  $InteractiveMode =>
    index := 
      kind = "syntax" => 0
      kind = "precompilation" => 1
      kind = "semantic" => 2
      ERROR '"BUMPERRORCOUNT: unknown error kind"
    $SPAD__ERRORS.index := 1 + $SPAD__ERRORS.index

FAIL() ==
  systemError '"Antique error (FAIL ENTERED)"

ERRHUH() ==
  systemError '"problem with BOOT to LISP translation"

MOAN(:x) ==
  sayBrightly ['"%l", '"===> ", :x, '"%l"]

CROAK(:x) ==
  systemError x

THETA__ERROR op ==
  userError ['"Sorry, do not know the identity element for ", op]

SAY(:x) ==
  MESSAGEPRINT x
  TERPRI()

MESSAGEPRINT x ==
  MAPC(function MESSAGEPRINT_-1, x)

MESSAGEPRINT_-1 x ==
  cons? x =>
    PRINC '"("
    MESSAGEPRINT_-1 first x
    MESSAGEPRINT_-2 rest x
    PRINC '")"
  x = "%l" or x is '"%l" => TERPRI()
  PRINC x

MESSAGEPRINT_-2 x ==
  atom x =>
    not null x =>
      PRINC '" . "
      MESSAGEPRINT_-1 x
  PRINC '" "
  MESSAGEPRINT_-1 first x
  MESSAGEPRINT_-2 rest x