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xo-reader: refactor: mv admits_symbol de- expr work -> define_xs

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This commit is contained in:
Roland Conybeare 2024-08-08 11:31:52 -04:00
commit 8b77fa9e99
3 changed files with 37 additions and 0 deletions
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1
include/xo/reader/define_xs.hpp
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@ -21,6 +21,7 @@ namespace xo {
static std::unique_ptr<define_xs> def_0(rp<DefineExprAccess> def_expr);
virtual bool admits_definition() const override;
virtual bool admits_symbol() const override;
// virtual void on_f64(..) override
virtual void on_expr(ref::brw<Expression> expr,
exprstatestack * p_stack,

32
src/reader/define_xs.cpp
View file

@ -47,6 +47,38 @@ namespace xo {
return false;
}
bool
define_xs::admits_symbol() const {
switch (exs_type_) {
case exprstatetype::expect_toplevel_expression_sequence:
/* unreachable */
assert(false);
return false;
case exprstatetype::def_0:
case exprstatetype::def_1:
case exprstatetype::def_2:
case exprstatetype::def_3:
case exprstatetype::def_4:
case exprstatetype::def_5:
return false;
case exprstatetype::lparen_0:
case exprstatetype::lparen_1:
case exprstatetype::expect_rhs_expression:
case exprstatetype::expect_symbol:
case exprstatetype::expect_type:
case exprstatetype::expr_progress:
case exprstatetype::invalid:
case exprstatetype::n_exprstatetype:
/* unreachable */
assert(false);
return false;
}
return false;
}
void
define_xs::on_expr(ref::brw<Expression> expr,
exprstatestack * /* p_stack */,

4
src/reader/parser.cpp
View file

@ -94,12 +94,16 @@ namespace xo {
exprstate::admits_symbol() const {
switch (exs_type_) {
case exprstatetype::expect_toplevel_expression_sequence:
return false;
case exprstatetype::def_0:
case exprstatetype::def_1:
case exprstatetype::def_2:
case exprstatetype::def_3:
case exprstatetype::def_4:
case exprstatetype::def_5:
/* unreachable */
assert(false);
return false;
case exprstatetype::lparen_0: