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-rw-r--r--src/test/compile-fail-fulldeps/auxiliary/macro_crate_test.rs141
1 files changed, 141 insertions, 0 deletions
diff --git a/src/test/compile-fail-fulldeps/auxiliary/macro_crate_test.rs b/src/test/compile-fail-fulldeps/auxiliary/macro_crate_test.rs
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index 00000000000..3516f566e8a
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+++ b/src/test/compile-fail-fulldeps/auxiliary/macro_crate_test.rs
@@ -0,0 +1,141 @@
+// Copyright 2013-2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// force-host
+
+#![feature(plugin_registrar, quote, rustc_private)]
+
+extern crate syntax;
+extern crate rustc;
+extern crate rustc_plugin;
+
+use syntax::ast::{self, TokenTree, Item, MetaItem, ImplItem, TraitItem, ItemKind};
+use syntax::codemap::Span;
+use syntax::ext::base::*;
+use syntax::parse::{self, token};
+use syntax::ptr::P;
+use rustc_plugin::Registry;
+
+#[macro_export]
+macro_rules! exported_macro { () => (2) }
+macro_rules! unexported_macro { () => (3) }
+
+#[plugin_registrar]
+pub fn plugin_registrar(reg: &mut Registry) {
+    reg.register_macro("make_a_1", expand_make_a_1);
+    reg.register_macro("identity", expand_identity);
+    reg.register_syntax_extension(
+        token::intern("into_multi_foo"),
+        // FIXME (#22405): Replace `Box::new` with `box` here when/if possible.
+        MultiModifier(Box::new(expand_into_foo_multi)));
+    reg.register_syntax_extension(
+        token::intern("duplicate"),
+        // FIXME (#22405): Replace `Box::new` with `box` here when/if possible.
+        MultiDecorator(Box::new(expand_duplicate)));
+}
+
+fn expand_make_a_1(cx: &mut ExtCtxt, sp: Span, tts: &[TokenTree])
+                   -> Box<MacResult+'static> {
+    if !tts.is_empty() {
+        cx.span_fatal(sp, "make_a_1 takes no arguments");
+    }
+    MacEager::expr(quote_expr!(cx, 1))
+}
+
+// See Issue #15750
+fn expand_identity(cx: &mut ExtCtxt, _span: Span, tts: &[TokenTree])
+                   -> Box<MacResult+'static> {
+    // Parse an expression and emit it unchanged.
+    let mut parser = parse::new_parser_from_tts(cx.parse_sess(),
+        cx.cfg(), tts.to_vec());
+    let expr = parser.parse_expr().unwrap();
+    MacEager::expr(quote_expr!(&mut *cx, $expr))
+}
+
+fn expand_into_foo_multi(cx: &mut ExtCtxt,
+                         sp: Span,
+                         attr: &MetaItem,
+                         it: Annotatable) -> Annotatable {
+    match it {
+        Annotatable::Item(it) => {
+            Annotatable::Item(P(Item {
+                attrs: it.attrs.clone(),
+                ..(*quote_item!(cx, enum Foo2 { Bar2, Baz2 }).unwrap()).clone()
+            }))
+        }
+        Annotatable::ImplItem(it) => {
+            quote_item!(cx, impl X { fn foo(&self) -> i32 { 42 } }).unwrap().and_then(|i| {
+                match i.node {
+                    ItemKind::Impl(_, _, _, _, _, mut items) => {
+                        Annotatable::ImplItem(P(items.pop().expect("impl method not found")))
+                    }
+                    _ => unreachable!("impl parsed to something other than impl")
+                }
+            })
+        }
+        Annotatable::TraitItem(it) => {
+            quote_item!(cx, trait X { fn foo(&self) -> i32 { 0 } }).unwrap().and_then(|i| {
+                match i.node {
+                    ItemKind::Trait(_, _, _, mut items) => {
+                        Annotatable::TraitItem(P(items.pop().expect("trait method not found")))
+                    }
+                    _ => unreachable!("trait parsed to something other than trait")
+                }
+            })
+        }
+    }
+}
+
+// Create a duplicate of the annotatable, based on the MetaItem
+fn expand_duplicate(cx: &mut ExtCtxt,
+                    sp: Span,
+                    mi: &MetaItem,
+                    it: &Annotatable,
+                    push: &mut FnMut(Annotatable))
+{
+    let copy_name = match mi.node {
+        ast::MetaItemKind::List(_, ref xs) => {
+            if let ast::MetaItemKind::Word(ref w) = xs[0].node {
+                token::str_to_ident(&w)
+            } else {
+                cx.span_err(mi.span, "Expected word");
+                return;
+            }
+        }
+        _ => {
+            cx.span_err(mi.span, "Expected list");
+            return;
+        }
+    };
+
+    // Duplicate the item but replace its ident by the MetaItem
+    match it.clone() {
+        Annotatable::Item(it) => {
+            let mut new_it = (*it).clone();
+            new_it.attrs.clear();
+            new_it.ident = copy_name;
+            push(Annotatable::Item(P(new_it)));
+        }
+        Annotatable::ImplItem(it) => {
+            let mut new_it = (*it).clone();
+            new_it.attrs.clear();
+            new_it.ident = copy_name;
+            push(Annotatable::ImplItem(P(new_it)));
+        }
+        Annotatable::TraitItem(tt) => {
+            let mut new_it = (*tt).clone();
+            new_it.attrs.clear();
+            new_it.ident = copy_name;
+            push(Annotatable::TraitItem(P(new_it)));
+        }
+    }
+}
+
+pub fn foo() {}