C++ ABI: Mangling of call_expr

[Nathan Sidwell]

Giovanni Bajo wrote:
> Hello,
> 
> I can't understand how mangle.c is supposed to mangle a call expression.
> Currently, it just segfaults on it. The expression production from the ABI
> says:
> 
> <expression> ::= <unary operator-name> <expression>
>             ::= <binary operator-name> <expression> <expression>
>             ::= <trinary operator-name> <expression> <expression>
> <expression>
> [...]
> 
> But what is a CALL_EXPR? Its two-letter mangled name is "cl", but it
> certainly can't be either unary, binary, or trinary. In fact, in
> operators.def, it is defined with arity "-1", which means "any arity is
> allowed". But then, I can't see which production is supposed to use.
looks like a bug in the ABI spec. To be demanglable, there must be a count
of the number of parameters encoded.

Mark, have I missed something?

nathan

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