data::colored_string::color_t color_of_token(const data::token& t) {
switch (t.category())
{
case data::token_category::character_literal:
case data::token_category::floating_literal:
case data::token_category::integer_literal:
case data::token_category::string_literal:
case data::token_category::bool_literal:
case data::token_category::preprocessor:
return data::color::magenta;
case data::token_category::keyword:
return data::color::bright_green;
case data::token_category::comment:
return data::color::green;
default:
return boost::none;
}
}
bool metashell::is_environment_setup_command(
data::command::iterator begin_, const data::command::iterator& end_)
{
try
{
begin_ = skip_whitespace(begin_, end_);
if (begin_ == end_)
{
// empty input is not a query
return true;
}
else
{
const data::token t = *begin_;
switch (t.category())
{
case data::token_category::keyword:
switch (t.type())
{
case data::token_type::keyword_bool:
case data::token_type::keyword_char:
case data::token_type::keyword_const:
case data::token_type::keyword_double:
case data::token_type::keyword_float:
case data::token_type::keyword_int:
case data::token_type::keyword_long:
case data::token_type::keyword_short:
case data::token_type::keyword_signed:
case data::token_type::keyword_unsigned:
case data::token_type::keyword_void:
case data::token_type::keyword_volatile:
case data::token_type::keyword_wchar_t:
if (has_typedef(begin_, end_))
{
return true;
}
else
{
const data::token_type lt =
last_non_whitespace_token_type(begin_, end_);
return lt == data::token_type::operator_semicolon ||
lt == data::token_type::operator_right_brace;
}
case data::token_type::keyword_sizeof:
case data::token_type::keyword_const_cast:
case data::token_type::keyword_static_cast:
case data::token_type::keyword_dynamic_cast:
case data::token_type::keyword_reinterpret_cast:
return false;
default:
return true;
}
assert(false);
case data::token_category::identifier:
return has_typedef(begin_, end_) ||
last_non_whitespace_token_type(begin_, end_) ==
data::token_type::operator_semicolon;
case data::token_category::preprocessor:
return true;
default:
return false;
}
}
}
catch (...)
{
return false;
}
}