16 lines
417 B
Rust
16 lines
417 B
Rust
import std::option;
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import base::*;
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import syntax::ast;
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import std::str;
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fn expand_syntax_ext(cx: &ext_ctxt, sp: codemap::span, arg: @ast::expr,
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_body: &option::t<istr>) -> @ast::expr {
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cx.print_backtrace();
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std::io::stdout().write_line(
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print::pprust::expr_to_str(arg));
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//trivial expression
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ret @{id: cx.next_id(), node: ast::expr_rec([], option::none), span: sp};
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}
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