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fix(frontends/lean/parser): add check_system call

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This commit is contained in:
Gabriel Ebner 2017-08-17 20:56:26 +02:00
parent 0d8e62ed40
commit effd624911
1 changed files with 1 additions and 0 deletions
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src/frontends/lean/parser.cpp
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@ -1265,6 +1265,7 @@ static pair<notation::transition, parse_table> const * get_non_skip(list<pair<no
}
expr parser::parse_notation(parse_table t, expr * left) {
check_system("parse_notation");
lean_assert(curr() == token_kind::Keyword);
auto p = pos();
auto first_token = get_token_info().value();