fc6b7c8b38
Long lines were fixed in a very crude way, as I'll be following up with another reformat in a bit.
24 lines
705 B
Rust
24 lines
705 B
Rust
import std::vec;
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import std::str;
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import std::option;
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import base::*;
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import syntax::ast;
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fn expand_syntax_ext(cx: ext_ctxt, sp: codemap::span, arg: @ast::expr,
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_body: option::t<str>) -> @ast::expr {
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let args: [@ast::expr] =
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alt arg.node {
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ast::expr_vec(elts, _) { elts }
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_ {
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cx.span_fatal(sp, "#ident_to_str requires a vector argument .")
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}
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};
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if vec::len::<@ast::expr>(args) != 1u {
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cx.span_fatal(sp, "malformed #ident_to_str call");
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}
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ret make_new_lit(cx, sp,
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ast::lit_str(expr_to_ident(cx, args[0u],
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"expected an ident")));
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}
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