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xo-reader: refactor: streamline define_xs

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This commit is contained in:
Roland Conybeare 2024-08-18 23:31:45 -04:00
commit 5b221b1fae
2 changed files with 4 additions and 37 deletions
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37
src/reader/define_xs.cpp
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@ -25,30 +25,6 @@ namespace xo {
def_expr_{std::move(def_expr)}
{}
bool
define_xs::admits_semicolon() const {
switch (defxs_type_) {
case defexprstatetype::def_0:
case defexprstatetype::def_1:
case defexprstatetype::def_2:
case defexprstatetype::def_3:
case defexprstatetype::def_4:
case defexprstatetype::def_5:
return false;
case defexprstatetype::def_6:
return true;
case defexprstatetype::invalid:
case defexprstatetype::n_defexprstatetype:
/* unreachable */
assert(false);
return false;
}
return false;
}
bool
define_xs::admits_rightparen() const {
switch (defxs_type_) {
@ -228,21 +204,14 @@ namespace xo {
}
void
define_xs::on_semicolon_token(const token_type & /*tk*/,
define_xs::on_semicolon_token(const token_type & tk,
exprstatestack * p_stack,
rp<Expression> * p_emit_expr)
{
constexpr bool c_debug_flag = true;
scope log(XO_DEBUG(c_debug_flag));
constexpr const char * self_name = "exprstate::on_semicolon";
if (!this->admits_semicolon())
{
throw std::runtime_error(tostr(self_name,
": unexpected semicolon for parsing state",
xtag("state", *this)));
}
//constexpr const char * self_name = "exprstate::on_semicolon";
if (this->defxs_type_ == defexprstatetype::def_6) {
rp<Expression> expr = this->def_expr_;
@ -253,7 +222,7 @@ namespace xo {
p_stack,
p_emit_expr);
} else {
assert(false);
exprstate::on_semicolon_token(tk, p_stack, p_emit_expr);
}
}