Apply 256 arg limit to lambdas too
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parent
7221d2cb11
commit
fc463d3807
@ -293,32 +293,34 @@ fn func_signature(input: Span) -> ParseResult<Signature> {
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"func-signature",
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"func-signature",
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preceded(
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preceded(
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kw("fn"),
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kw("fn"),
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cut(verify(
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cut(alt((
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alt((
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map(normal_fn, |(name, params, type_anno)| Signature {
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map(normal_fn, |(name, params, type_anno)| Signature {
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name: rc_string(name.fragment()),
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name: rc_string(name.fragment()),
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operator: false,
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operator: false,
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params,
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params,
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type_anno,
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type_anno,
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}),
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}),
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map(operator_fn, |(op, params, type_anno)| Signature {
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map(operator_fn, |(op, params, type_anno)| Signature {
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name: rc_string(op.sigil()),
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name: rc_string(op.sigil()),
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operator: true,
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operator: true,
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params,
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params,
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type_anno,
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type_anno,
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}),
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}),
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))),
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)),
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|sig| sig.params.len() < 256,
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)),
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),
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),
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)(input)
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)(input)
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}
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}
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fn formal_params(input: Span) -> ParseResult<Vec<FormalParam>> {
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fn formal_params(input: Span) -> ParseResult<Vec<FormalParam>> {
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delimited(tok(char('(')), separated_list0(tok(char(',')), formal_param), tok(char(')')))(input)
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context(
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"formal-params",
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verify(
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delimited(tok(char('(')), separated_list0(tok(char(',')), formal_param), tok(char(')'))),
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|params: &Vec<_>| params.len() < 256,
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),
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)(input)
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}
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}
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//TODO support 256-limit
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fn formal_param(input: Span) -> ParseResult<FormalParam> {
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fn formal_param(input: Span) -> ParseResult<FormalParam> {
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map(
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map(
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tuple((identifier, opt(type_anno), opt(preceded(tok(char('=')), expression)))),
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tuple((identifier, opt(type_anno), opt(preceded(tok(char('=')), expression)))),
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@ -886,6 +886,14 @@ fn max_function_params() {
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//TODO need to create a good, custom error message for this case
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//TODO need to create a good, custom error message for this case
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//assert_fail!(&buf, "A function cannot have more than 255 arguments");
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//assert_fail!(&buf, "A function cannot have more than 255 arguments");
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assert_fail!(&buf);
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assert_fail!(&buf);
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let mut buf = r#"\("#.to_string();
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for n in 0..255 {
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write!(buf, "a{}, ", n).unwrap();
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}
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write!(buf, " a256").unwrap();
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write!(buf, ") {{ return 10 }}").unwrap();
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assert_fail!(&buf);
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}
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}
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#[test]
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#[test]
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