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reader reports tokenizer errors through normal return

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This commit is contained in:
Roland Conybeare 2025-07-19 16:47:59 -05:00
commit 781adeb0d3
10 changed files with 149 additions and 20 deletions
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10
include/xo/reader/parser.hpp
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@ -104,7 +104,8 @@ namespace xo {
* $varname(n) : $typename(n)) [-> $typename[ret]]
* body-expr
* [ end $functionname ]
* literal-expr = integer-literal
* literal-expr = boolean-literal
* | integer-literal
* | fp-literal
* | string-literal
* | symbol-literal
@ -211,6 +212,13 @@ namespace xo {
**/
rp<Expression> include_token(const token_type & tk);
/** reset to starting parsing state.
* use this after encountering an error, to avoid cascade of
* spurious secondary errors.. particularly important when
* invoked asa part of a REPL.
**/
void reset_to_idle_toplevel();
/** print human-readable representation on stream @p os **/
void print(std::ostream & os) const;