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xo-expression2 xo-reader2: local symtab stack in PSM

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This commit is contained in:
Roland Conybeare 2026-01-30 10:26:35 -05:00
commit 94efaf46cd
27 changed files with 447 additions and 34 deletions
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20
xo-reader2/src/reader2/ParserStateMachine.cpp
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@ -88,6 +88,20 @@ namespace xo {
return stringtable_.intern(str);
}
void
ParserStateMachine::push_local_symtab(DLocalSymtab * symtab)
{
this->local_symtab_ = symtab;
}
void
ParserStateMachine::pop_local_symtab()
{
assert(local_symtab_);
this->local_symtab_ = local_symtab_->parent();
}
void
ParserStateMachine::upsert_var(DVariable * var)
{
@ -310,6 +324,12 @@ namespace xo {
xtag("expecting", expect_str),
xtag("ssm", ssm_name),
xtag("via", "ParserStateMachine::illegal_parsed_formal_arglist"));
assert(expr_alloc_);
auto errmsg = DString::from_str(expr_alloc_, errmsg_string);
this->capture_error(ssm_name, errmsg);
}
void