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This commit is contained in:
John Clements 2014-06-23 18:45:51 -07:00
parent bcdcaea572
commit 9215d7e5b7
1 changed files with 9 additions and 4 deletions
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13
src/libsyntax/ext/expand.rs
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@ -1070,7 +1070,7 @@ mod test {
// these following tests are quite fragile, in that they don't test what
// *kind* of failure occurs.
// make sure that macros can leave scope
// make sure that macros can't escape fns
#[should_fail]
#[test] fn macros_cant_escape_fns_test () {
let src = "fn bogus() {macro_rules! z (() => (3+4))}\
@ -1088,7 +1088,7 @@ mod test {
expand_crate(&sess,cfg,vec!(),vec!(),crate_ast);
}
// make sure that macros can leave scope for modules
// make sure that macros can't escape modules
#[should_fail]
#[test] fn macros_cant_escape_mods_test () {
let src = "mod foo {macro_rules! z (() => (3+4))}\
@ -1105,7 +1105,7 @@ mod test {
expand_crate(&sess,cfg,vec!(),vec!(),crate_ast);
}
// macro_escape modules shouldn't cause macros to leave scope
// macro_escape modules should allow macros to escape
#[test] fn macros_can_escape_flattened_mods_test () {
let src = "#[macro_escape] mod foo {macro_rules! z (() => (3+4))}\
fn inty() -> int { z!() }".to_string();
@ -1114,7 +1114,6 @@ mod test {
"<test>".to_string(),
src,
Vec::new(), &sess);
// should fail:
let cfg = ::syntax::ext::expand::ExpansionConfig {
deriving_hash_type_parameter: false,
crate_id: from_str("test").unwrap(),
@ -1185,6 +1184,12 @@ mod test {
// binding should match the second two varrefs, and the second binding
// should match the first varref.
//
// Put differently; this is a sparse representation of a boolean matrix
// indicating which bindings capture which identifiers.
//
// Note also that this matrix is dependent on the implicit ordering of
// the bindings and the varrefs discovered by the name-finder and the path-finder.
//
// The comparisons are done post-mtwt-resolve, so we're comparing renamed
// names; differences in marks don't matter any more.
//