auto merge of #7903 : michaelwoerister/rust/end_of_spanned, r=jdm

Continuation of #7826.

AST spanned<T> refactoring, AST type renamings:

`crate => Crate`
`local => Local`
`blk => Block`
`crate_num => CrateNum`
`crate_cfg => CrateConfig`
`field => Field`

Also, Crate, Field and Local are not wrapped in spanned<T> anymore.

Author: bors

src/librustc/back/link.rs

@@ -488,7 +488,7 @@ pub mod write {
  */
 
 pub fn build_link_meta(sess: Session,
-                       c: &ast::crate,
+                       c: &ast::Crate,
                        output: &Path,
                        symbol_hasher: &mut hash::State)
                        -> LinkMeta {
@@ -498,12 +498,12 @@ pub fn build_link_meta(sess: Session,
         cmh_items: ~[@ast::MetaItem]
     }
 
-    fn provided_link_metas(sess: Session, c: &ast::crate) ->
+    fn provided_link_metas(sess: Session, c: &ast::Crate) ->
        ProvidedMetas {
         let mut name = None;
         let mut vers = None;
         let mut cmh_items = ~[];
-        let linkage_metas = attr::find_linkage_metas(c.node.attrs);
+        let linkage_metas = attr::find_linkage_metas(c.attrs);
         attr::require_unique_names(sess.diagnostic(), linkage_metas);
         for linkage_metas.iter().advance |meta| {
             match meta.name_str_pair() {

src/librustc/driver/driver.rs

@@ -64,7 +64,7 @@ pub fn source_name(input: &input) -> @str {
 }
 
 pub fn default_configuration(sess: Session, argv0: @str, input: &input) ->
-   ast::crate_cfg {
+   ast::CrateConfig {
     let (libc, tos) = match sess.targ_cfg.os {
         session::os_win32 =>   (@"msvcrt.dll", @"win32"),
         session::os_macos =>   (@"libc.dylib", @"macos"),
@@ -96,14 +96,14 @@ pub fn default_configuration(sess: Session, argv0: @str, input: &input) ->
          mk(@"build_input", source_name(input))];
 }
 
-pub fn append_configuration(cfg: &mut ast::crate_cfg, name: @str) {
+pub fn append_configuration(cfg: &mut ast::CrateConfig, name: @str) {
     if !cfg.iter().any(|mi| mi.name() == name) {
         cfg.push(attr::mk_word_item(name))
     }
 }
 
 pub fn build_configuration(sess: Session, argv0: @str, input: &input) ->
-   ast::crate_cfg {
+   ast::CrateConfig {
     // Combine the configuration requested by the session (command line) with
     // some default and generated configuration items
     let default_cfg = default_configuration(sess, argv0, input);
@@ -117,11 +117,11 @@ pub fn build_configuration(sess: Session, argv0: @str, input: &input) ->
 
 // Convert strings provided as --cfg [cfgspec] into a crate_cfg
 fn parse_cfgspecs(cfgspecs: ~[~str],
-                  demitter: diagnostic::Emitter) -> ast::crate_cfg {
+                  demitter: diagnostic::Emitter) -> ast::CrateConfig {
     do cfgspecs.consume_iter().transform |s| {
         let sess = parse::new_parse_sess(Some(demitter));
         parse::parse_meta_from_source_str(@"cfgspec", s.to_managed(), ~[], sess)
-    }.collect::<ast::crate_cfg>()
+    }.collect::<ast::CrateConfig>()
 }
 
 pub enum input {
@@ -132,8 +132,8 @@ pub enum input {
     str_input(@str)
 }
 
-pub fn parse_input(sess: Session, cfg: ast::crate_cfg, input: &input)
-    -> @ast::crate {
+pub fn parse_input(sess: Session, cfg: ast::CrateConfig, input: &input)
+    -> @ast::Crate {
     match *input {
       file_input(ref file) => {
         parse::parse_crate_from_file(&(*file), cfg, sess.parse_sess)
@@ -167,11 +167,11 @@ pub enum compile_phase {
 
 #[fixed_stack_segment]
 pub fn compile_rest(sess: Session,
-                    cfg: ast::crate_cfg,
+                    cfg: ast::CrateConfig,
                     phases: compile_upto,
                     outputs: Option<@OutputFilenames>,
-                    curr: Option<@ast::crate>)
-    -> (Option<@ast::crate>, Option<ty::ctxt>) {
+                    curr: Option<@ast::Crate>)
+    -> (Option<@ast::Crate>, Option<ty::ctxt>) {
 
     let time_passes = sess.time_passes();
 
@@ -372,11 +372,11 @@ pub fn compile_rest(sess: Session,
 }
 
 pub fn compile_upto(sess: Session,
-                    cfg: ast::crate_cfg,
+                    cfg: ast::CrateConfig,
                     input: &input,
                     upto: compile_phase,
                     outputs: Option<@OutputFilenames>)
-                    -> (Option<@ast::crate>, Option<ty::ctxt>) {
+                    -> (Option<@ast::Crate>, Option<ty::ctxt>) {
     let time_passes = sess.time_passes();
     let crate = time(time_passes,
                      ~"parsing",
@@ -395,7 +395,7 @@ pub fn compile_upto(sess: Session,
                  Some(crate))
 }
 
-pub fn compile_input(sess: Session, cfg: ast::crate_cfg, input: &input,
+pub fn compile_input(sess: Session, cfg: ast::CrateConfig, input: &input,
                      outdir: &Option<Path>, output: &Option<Path>) {
     let upto = if sess.opts.parse_only { cu_parse }
                else if sess.opts.no_trans { cu_no_trans }
@@ -404,7 +404,7 @@ pub fn compile_input(sess: Session, cfg: ast::crate_cfg, input: &input,
     compile_upto(sess, cfg, input, upto, Some(outputs));
 }
 
-pub fn pretty_print_input(sess: Session, cfg: ast::crate_cfg, input: &input,
+pub fn pretty_print_input(sess: Session, cfg: ast::CrateConfig, input: &input,
                           ppm: pp_mode) {
     fn ann_paren_for_expr(node: pprust::ann_node) {
         match node {

src/librustc/driver/session.rs

@@ -158,7 +158,7 @@ pub struct options {
     // items to the crate config, and during parsing the entire crate config
     // will be added to the crate AST node.  This should not be used for
     // anything except building the full crate config prior to parsing.
-    cfg: ast::crate_cfg,
+    cfg: ast::CrateConfig,
     binary: @str,
     test: bool,
     parse_only: bool,
@@ -357,7 +357,7 @@ pub fn expect<T:Clone>(sess: Session, opt: Option<T>, msg: &fn() -> ~str)
 }
 
 pub fn building_library(req_crate_type: crate_type,
-                        crate: &ast::crate,
+                        crate: &ast::Crate,
                         testing: bool) -> bool {
     match req_crate_type {
       bin_crate => false,
@@ -367,7 +367,7 @@ pub fn building_library(req_crate_type: crate_type,
             false
         } else {
             match syntax::attr::first_attr_value_str_by_name(
-                crate.node.attrs,
+                crate.attrs,
                 "crate_type") {
               Some(s) => "lib" == s,
               _ => false
@@ -402,19 +402,20 @@ mod test {
         attr::mk_attr(attr::mk_name_value_item_str(@"crate_type", t))
     }
 
-    fn make_crate(with_bin: bool, with_lib: bool) -> @ast::crate {
+    fn make_crate(with_bin: bool, with_lib: bool) -> @ast::Crate {
         let mut attrs = ~[];
         if with_bin {
             attrs.push(make_crate_type_attr(@"bin"));
         }
         if with_lib {
             attrs.push(make_crate_type_attr(@"lib"));
         }
-        @codemap::respan(codemap::dummy_sp(), ast::crate_ {
+        @ast::Crate {
             module: ast::_mod { view_items: ~[], items: ~[] },
             attrs: attrs,
-            config: ~[]
-        })
+            config: ~[],
+            span: codemap::dummy_sp(),
+        }
     }
 
     #[test]

src/librustc/front/config.rs

@@ -20,14 +20,14 @@ struct Context {
 
 // Support conditional compilation by transforming the AST, stripping out
 // any items that do not belong in the current configuration
-pub fn strip_unconfigured_items(crate: @ast::crate) -> @ast::crate {
+pub fn strip_unconfigured_items(crate: @ast::Crate) -> @ast::Crate {
     do strip_items(crate) |attrs| {
-        in_cfg(crate.node.config, attrs)
+        in_cfg(crate.config, attrs)
     }
 }
 
-pub fn strip_items(crate: &ast::crate, in_cfg: in_cfg_pred)
-    -> @ast::crate {
+pub fn strip_items(crate: &ast::Crate, in_cfg: in_cfg_pred)
+    -> @ast::Crate {
 
     let ctxt = @Context { in_cfg: in_cfg };
 
@@ -131,16 +131,16 @@ fn filter_stmt(cx: @Context, stmt: @ast::stmt) ->
 
 fn fold_block(
     cx: @Context,
-    b: &ast::blk,
+    b: &ast::Block,
     fld: @fold::ast_fold
-) -> ast::blk {
+) -> ast::Block {
     let resulting_stmts = do b.stmts.iter().filter_map |a| {
         filter_stmt(cx, *a).chain(|stmt| fld.fold_stmt(stmt))
     }.collect();
     let filtered_view_items = do b.view_items.iter().filter_map |a| {
         filter_view_item(cx, a).map(|&x| fld.fold_view_item(x))
     }.collect();
-    ast::blk {
+    ast::Block {
         view_items: filtered_view_items,
         stmts: resulting_stmts,
         expr: b.expr.map(|x| fld.fold_expr(*x)),

src/librustc/front/std_inject.rs

@@ -20,29 +20,30 @@ use syntax::fold;
 
 static STD_VERSION: &'static str = "0.8-pre";
 
-pub fn maybe_inject_libstd_ref(sess: Session, crate: @ast::crate)
-                               -> @ast::crate {
+pub fn maybe_inject_libstd_ref(sess: Session, crate: @ast::Crate)
+                               -> @ast::Crate {
     if use_std(crate) {
         inject_libstd_ref(sess, crate)
     } else {
         crate
     }
 }
 
-fn use_std(crate: &ast::crate) -> bool {
-    !attr::contains_name(crate.node.attrs, "no_std")
+fn use_std(crate: &ast::Crate) -> bool {
+    !attr::contains_name(crate.attrs, "no_std")
 }
+
 fn no_prelude(attrs: &[ast::Attribute]) -> bool {
     attr::contains_name(attrs, "no_implicit_prelude")
 }
 
-fn inject_libstd_ref(sess: Session, crate: &ast::crate) -> @ast::crate {
+fn inject_libstd_ref(sess: Session, crate: &ast::Crate) -> @ast::Crate {
     fn spanned<T>(x: T) -> codemap::spanned<T> {
         codemap::spanned { node: x, span: dummy_sp() }
     }
 
     let precursor = @fold::AstFoldFns {
-        fold_crate: |crate, span, fld| {
+        fold_crate: |crate, fld| {
             let n1 = sess.next_node_id();
             let vi1 = ast::view_item {
                 node: ast::view_item_extern_mod(
@@ -68,11 +69,10 @@ fn inject_libstd_ref(sess: Session, crate: &ast::crate) -> @ast::crate {
             }
 
             // FIXME #2543: Bad copy.
-            let new_crate = ast::crate_ {
+            ast::Crate {
                 module: new_module,
                 ..(*crate).clone()
-            };
-            (new_crate, span)
+            }
         },
         fold_item: |item, fld| {
             if !no_prelude(item.attrs) {

src/librustc/front/test.rs

@@ -37,7 +37,7 @@ struct Test {
 
 struct TestCtxt {
     sess: session::Session,
-    crate: @ast::crate,
+    crate: @ast::Crate,
     path: ~[ast::ident],
     ext_cx: @ExtCtxt,
     testfns: ~[Test]
@@ -46,12 +46,12 @@ struct TestCtxt {
 // Traverse the crate, collecting all the test functions, eliding any
 // existing main functions, and synthesizing a main test harness
 pub fn modify_for_testing(sess: session::Session,
-                          crate: @ast::crate)
-                       -> @ast::crate {
+                          crate: @ast::Crate)
+                       -> @ast::Crate {
     // We generate the test harness when building in the 'test'
     // configuration, either with the '--test' or '--cfg test'
     // command line options.
-    let should_test = attr::contains_name(crate.node.config, "test");
+    let should_test = attr::contains_name(crate.config, "test");
 
     if should_test {
         generate_test_harness(sess, crate)
@@ -61,8 +61,8 @@ pub fn modify_for_testing(sess: session::Session,
 }
 
 fn generate_test_harness(sess: session::Session,
-                         crate: @ast::crate)
-                      -> @ast::crate {
+                         crate: @ast::Crate)
+                      -> @ast::Crate {
     let cx: @mut TestCtxt = @mut TestCtxt {
         sess: sess,
         crate: crate,
@@ -81,7 +81,7 @@ fn generate_test_harness(sess: session::Session,
     });
 
     let precursor = @fold::AstFoldFns {
-        fold_crate: fold::wrap(|a,b| fold_crate(cx, a, b) ),
+        fold_crate: |a,b| fold_crate(cx, a, b),
         fold_item: |a,b| fold_item(cx, a, b),
         fold_mod: |a,b| fold_mod(cx, a, b),.. *fold::default_ast_fold()};
 
@@ -91,7 +91,7 @@ fn generate_test_harness(sess: session::Session,
     return res;
 }
 
-fn strip_test_functions(crate: &ast::crate) -> @ast::crate {
+fn strip_test_functions(crate: &ast::Crate) -> @ast::Crate {
     // When not compiling with --test we should not compile the
     // #[test] functions
     do config::strip_items(crate) |attrs| {
@@ -132,13 +132,13 @@ fn fold_mod(cx: @mut TestCtxt,
     fold::noop_fold_mod(&mod_nomain, fld)
 }
 
-fn fold_crate(cx: @mut TestCtxt, c: &ast::crate_, fld: @fold::ast_fold)
-              -> ast::crate_ {
+fn fold_crate(cx: @mut TestCtxt, c: &ast::Crate, fld: @fold::ast_fold)
+              -> ast::Crate {
     let folded = fold::noop_fold_crate(c, fld);
 
     // Add a special __test module to the crate that will contain code
     // generated for the test harness
-    ast::crate_ {
+    ast::Crate {
         module: add_test_module(cx, &folded.module),
         .. folded
     }
@@ -236,7 +236,7 @@ fn is_ignored(cx: @mut TestCtxt, i: @ast::item) -> bool {
     do i.attrs.iter().any |attr| {
         // check ignore(cfg(foo, bar))
         "ignore" == attr.name() && match attr.meta_item_list() {
-            Some(ref cfgs) => attr::test_cfg(cx.crate.node.config, cfgs.iter().transform(|x| *x)),
+            Some(ref cfgs) => attr::test_cfg(cx.crate.config, cfgs.iter().transform(|x| *x)),
             None => true
         }
     }
@@ -370,7 +370,7 @@ fn mk_tests(cx: &TestCtxt) -> @ast::item {
 }
 
 fn is_extra(cx: &TestCtxt) -> bool {
-    let items = attr::find_linkage_metas(cx.crate.node.attrs);
+    let items = attr::find_linkage_metas(cx.crate.attrs);
     match attr::last_meta_item_value_str_by_name(items, "name") {
         Some(s) if "extra" == s => true,
         _ => false

src/librustc/metadata/creader.rs

@@ -29,7 +29,7 @@ use syntax::ast;
 // Traverses an AST, reading all the information about use'd crates and extern
 // libraries necessary for later resolving, typechecking, linking, etc.
 pub fn read_crates(diag: @span_handler,
-                   crate: &ast::crate,
+                   crate: &ast::Crate,
                    cstore: @mut cstore::CStore,
                    filesearch: @FileSearch,
                    os: loader::os,
@@ -118,14 +118,14 @@ struct Env {
     os: loader::os,
     statik: bool,
     crate_cache: @mut ~[cache_entry],
-    next_crate_num: ast::crate_num,
+    next_crate_num: ast::CrateNum,
     intr: @ident_interner
 }
 
-fn visit_crate(e: &Env, c: &ast::crate) {
+fn visit_crate(e: &Env, c: &ast::Crate) {
     let cstore = e.cstore;
 
-    for c.node.attrs.iter().filter(|m| "link_args" == m.name()).advance |a| {
+    for c.attrs.iter().filter(|m| "link_args" == m.name()).advance |a| {
         match a.value_str() {
           Some(ref linkarg) => {
             cstore::add_used_link_args(cstore, *linkarg);
@@ -237,7 +237,7 @@ fn resolve_crate(e: @mut Env,
                  metas: ~[@ast::MetaItem],
                  hash: @str,
                  span: span)
-              -> ast::crate_num {
+              -> ast::CrateNum {
     let metas = metas_with_ident(token::ident_to_str(&ident), metas);
 
     match existing_match(e, metas, hash) {