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Add a layer of boxing as a hack; this code can segfault otherwise.

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This commit is contained in:
Paul Stansifer 2011-08-08 13:23:42 -07:00
parent 6d39be465f
commit e7139e28f4
1 changed files with 6 additions and 5 deletions
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11
src/comp/syntax/ext/simplext.rs
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@ -659,7 +659,7 @@ fn add_new_extension(cx: &ext_ctxt, sp: span, arg: @expr,
};
let macro_name: option::t[str] = none;
let clauses: [clause] = ~[];
let clauses: [@clause] = ~[];
for arg: @expr in args {
alt arg.node {
expr_vec(elts, mut, seq_kind) {
@ -691,8 +691,9 @@ fn add_new_extension(cx: &ext_ctxt, sp: span, arg: @expr,
"macro name must not be a path");
}
}
clauses += ~[{params: pattern_to_selectors(cx, invoc_arg),
body: elts.(1u)}];
clauses +=
~[@{params: pattern_to_selectors(cx, invoc_arg),
body: elts.(1u)}];
// FIXME: check duplicates (or just simplify
// the macro arg situation)
}
@ -726,8 +727,8 @@ fn add_new_extension(cx: &ext_ctxt, sp: span, arg: @expr,
ext: normal(ext)};
fn generic_extension(cx: &ext_ctxt, sp: span, arg: @expr,
body: option::t[str], clauses: [clause]) -> @expr {
for c: clause in clauses {
body: option::t[str], clauses: [@clause]) -> @expr {
for c: @clause in clauses {
alt use_selectors_to_bind(c.params, arg) {
some(bindings) {
ret transcribe(cx, bindings, c.body)