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xo-reader: + expect_formal_xs [wip - not used]

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This commit is contained in:
Roland Conybeare 2024-08-16 21:55:23 -04:00
commit 6d5387eef7
8 changed files with 282 additions and 12 deletions
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6
include/xo/reader/exprstate.hpp
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@ -52,7 +52,7 @@ namespace xo {
class exprstatestack;
class define_xs;
class formal_arg;
/** state associated with a partially-parsed expression.
**/
@ -91,6 +91,10 @@ namespace xo {
virtual void on_typedescr(TypeDescr td,
exprstatestack * p_stack,
rp<Expression> * p_emit_expr);
/** update exprstate when expecting a formal parameter **/
virtual void on_formal(const formal_arg & formal,
exprstatestack * p_stack,
rp<Expression> * p_emit_expr);
/** print human-readable representation on @p os **/
virtual void print(std::ostream & os) const;