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fix(frontends/lean/decl_cmds): allow private transparent definitions

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Example:
section
  universe l
  private definition T := Type.{max 1 l}
  ...
end
This commit is contained in:
Leonardo de Moura 2014-10-02 07:56:01 -07:00
parent 153e3927ac
commit 5bd8e9d141
1 changed files with 8 additions and 2 deletions
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10
src/frontends/lean/decl_cmds.cpp
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@ -369,15 +369,21 @@ environment theorem_cmd(parser & p) {
} }
environment private_definition_cmd(parser & p) { environment private_definition_cmd(parser & p) {
bool is_theorem = false; bool is_theorem = false;
if (p.curr_is_token_or_id(get_definition_tk())) { bool is_opaque = false;
if (p.curr_is_token_or_id(get_opaque_tk())) {
is_opaque = true;
p.next();
p.check_token_next(get_definition_tk(), "invalid 'private' definition, 'definition' expected");
} else if (p.curr_is_token_or_id(get_definition_tk())) {
p.next(); p.next();
} else if (p.curr_is_token_or_id(get_theorem_tk())) { } else if (p.curr_is_token_or_id(get_theorem_tk())) {
p.next(); p.next();
is_theorem = true; is_theorem = true;
is_opaque = true;
} else { } else {
throw parser_error("invalid 'private' definition/theorem, 'definition' or 'theorem' expected", p.pos()); throw parser_error("invalid 'private' definition/theorem, 'definition' or 'theorem' expected", p.pos());
} }
return definition_cmd_core(p, is_theorem, true, true, false); return definition_cmd_core(p, is_theorem, is_opaque, true, false);
} }
environment protected_definition_cmd(parser & p) { environment protected_definition_cmd(parser & p) {
bool is_theorem = false; bool is_theorem = false;