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detailed parser error reporting [wip - 1 example]

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This commit is contained in:
Roland Conybeare 2025-07-19 21:09:57 -05:00
commit 65a83cd77c
19 changed files with 256 additions and 84 deletions
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13
xo-reader/src/reader/exprseq_xs.cpp
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@ -37,8 +37,6 @@ namespace xo {
constexpr bool c_debug_flag = true;
scope log(XO_DEBUG(c_debug_flag));
//constexpr const char * c_self_name = "exprseq_xs::on_def_token";
define_xs::start(p_psm);
/* keyword 'def' introduces a definition:
@ -68,7 +66,7 @@ namespace xo {
if (var.get()) {
progress_xs::start(var.promote(), p_psm);
} else {
this->unknown_variable_error(c_self_name, tk);
this->unknown_variable_error(c_self_name, tk, p_psm);
}
} else {
/* policy: don't allow variable references as toplevel expressions
@ -117,10 +115,9 @@ namespace xo {
* arbitrary number of expressions.
*/
auto p_emit_expr = p_psm->p_emit_expr_;
*p_emit_expr = expr.promote();
} /*on_expr*/
*(p_psm->p_result_) = parser_result::expression(expr.promote());
}
void
exprseq_xs::on_expr_with_semicolon(bp<Expression> expr,
@ -132,9 +129,7 @@ namespace xo {
* semicolons are sometimes mandatory to avoid ambiguity.
*/
auto p_emit_expr = p_psm->p_emit_expr_;
*p_emit_expr = expr.promote();
*(p_psm->p_result_) = parser_result::expression(expr.promote());
}
} /*namespace scm*/