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xo-reader: feat: parse infix exprs for +,-,*,/ operators

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This commit is contained in:
Roland Conybeare 2024-08-14 23:44:17 -04:00
commit 29596a7c1d
5 changed files with 141 additions and 8 deletions
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20
src/reader/exprstate.cpp
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@ -136,6 +136,19 @@ namespace xo {
this->illegal_input_error(self_name, tk);
}
void
exprstate::on_operator_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_operator_token";
this->illegal_input_error(self_name, tk);
}
void
exprstate::on_f64_token(const token_type & tk,
exprstatestack * /*p_stack*/,
@ -220,6 +233,13 @@ namespace xo {
case tokentype::tk_assign:
case tokentype::tk_yields:
case tokentype::tk_plus:
case tokentype::tk_minus:
case tokentype::tk_star:
case tokentype::tk_slash:
this->on_operator_token(tk, p_stack, p_emit_expr);
return;
case tokentype::tk_type:
case tokentype::tk_lambda:
case tokentype::tk_if: