roland/xo-alloc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

xo-reader: ++ typename error reporting

Browse source
This commit is contained in:
Roland Conybeare 2025-07-20 00:31:16 -05:00
commit c39d369dbc
2 changed files with 17 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

2
xo-reader/include/xo/reader/expect_type_xs.hpp
View file

@ -18,6 +18,8 @@ namespace xo {
static void start(parserstatemachine * p_stack);
virtual const char * get_expect_str() const override;
virtual void on_symbol_token(const token_type & tk,
parserstatemachine * p_psm) override;

21
xo-reader/src/reader/expect_type_xs.cpp
View file

@ -27,6 +27,12 @@ namespace xo {
: exprstate(exprstatetype::expect_type)
{}
const char *
expect_type_xs::get_expect_str() const
{
return "typename";
}
void
expect_type_xs::on_symbol_token(const token_type & tk,
parserstatemachine * p_psm)
@ -49,11 +55,15 @@ namespace xo {
td = Reflect::require<std::int64_t>();
if (!td) {
throw std::runtime_error
(tostr(c_self_name,
": unknown type name",
" (expecting f64|f32|i16|i32|i64)",
xtag("typename", tk.text())));
const char * exp = get_expect_str();
std::string errmsg = tostr("unexpected token for parsing state",
xtag("expecting", exp),
xtag("token", tk.tk_type()),
xtag("text", tk.text()),
xtag("state", this->exs_type()));
p_psm->on_error(c_self_name, std::move(errmsg));
}
std::unique_ptr<exprstate> self = p_psm->pop_exprstate();
@ -62,5 +72,4 @@ namespace xo {
} /*namespace scm*/
} /*namespace xo*/
/* end expect_type_xs.cpp */