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xo-tokenizer xo-reader: + bool literals + if-expr parsing

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This commit is contained in:
Roland Conybeare 2025-07-22 07:20:56 -05:00
commit ce760bd5cf
30 changed files with 848 additions and 74 deletions
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22
xo-reader/src/reader/expect_expr_xs.cpp
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@ -129,6 +129,8 @@ namespace xo {
log && log(xtag("tk", tk));
constexpr const char * c_self_name = "expect_expr_xs::on_symbol_token";
/* various possibilities when looking for rhs expression:
*
* x := y // (1)
@ -143,10 +145,8 @@ namespace xo {
bp<Variable> var = p_psm->lookup_var(tk.text());
if (!var) {
throw std::runtime_error
(tostr("expect_expr_xs::on_symbol_token",
": unknown symbol",
xtag("name", tk.text())));
this->unknown_variable_error(c_self_name, tk, p_psm);
return;
}
/* e.g.
@ -173,12 +173,22 @@ namespace xo {
return;
}
void
expect_expr_xs::on_bool_token(const token_type & tk,
parserstatemachine * p_psm)
{
scope log(XO_DEBUG(p_psm->debug_flag()));
progress_xs::start
(Constant<bool>::make(tk.bool_value()),
p_psm);
}
void
expect_expr_xs::on_i64_token(const token_type & tk,
parserstatemachine * p_psm)
{
constexpr bool c_debug_flag = true;
scope log(XO_DEBUG(c_debug_flag));
scope log(XO_DEBUG(p_psm->debug_flag()));
progress_xs::start
(Constant<int64_t>::make(tk.i64_value()),