Move pretty parsing into Session options

This allows us to query whether PpmEveryBodyLoops is set during
expansion and run the everybody loops pass.

Cargo.lock

@@ -3506,6 +3506,7 @@ dependencies = [
  "rustc_mir",
  "rustc_plugin",
  "rustc_plugin_impl",
+ "rustc_resolve",
  "rustc_save_analysis",
  "rustc_target",
  "serialize",

src/librustc/session/config.rs

@@ -1,10 +1,13 @@
 //! Contains infrastructure for configuring the compiler, including parsing
 //! command-line options.
 
+// ignore-tidy-filelength
+
 use crate::lint;
 use crate::middle::cstore;
 use crate::session::{early_error, early_warn, Session};
 use crate::session::search_paths::SearchPath;
+use crate::hir::map as hir_map;
 
 use rustc_data_structures::fx::FxHashSet;
 
@@ -440,6 +443,8 @@ top_level_options!(
         // `true` if we're emitting JSON blobs about each artifact produced
         // by the compiler.
         json_artifact_notifications: bool [TRACKED],
+
+        pretty: Option<(PpMode, Option<UserIdentifiedItem>)> [UNTRACKED],
     }
 );
 
@@ -621,6 +626,7 @@ impl Default for Options {
             remap_path_prefix: Vec::new(),
             edition: DEFAULT_EDITION,
             json_artifact_notifications: false,
+            pretty: None,
         }
     }
 }
@@ -2516,6 +2522,8 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options {
 
     let remap_path_prefix = parse_remap_path_prefix(matches, error_format);
 
+    let pretty = parse_pretty(matches, &debugging_opts, error_format);
+
     Options {
         crate_types,
         optimize: opt_level,
@@ -2546,6 +2554,73 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options {
         remap_path_prefix,
         edition,
         json_artifact_notifications,
+        pretty,
+    }
+}
+
+fn parse_pretty(
+    matches: &getopts::Matches,
+    debugging_opts: &DebuggingOptions,
+    efmt: ErrorOutputType,
+) -> Option<(PpMode, Option<UserIdentifiedItem>)> {
+    let pretty = if debugging_opts.unstable_options {
+        matches.opt_default("pretty", "normal").map(|a| {
+            // stable pretty-print variants only
+            parse_pretty_inner(efmt, &a, false)
+        })
+    } else {
+        None
+    };
+
+    return if pretty.is_none() {
+        debugging_opts.unpretty.as_ref().map(|a| {
+            // extended with unstable pretty-print variants
+            parse_pretty_inner(efmt, &a, true)
+        })
+    } else {
+        pretty
+    };
+
+    fn parse_pretty_inner(
+        efmt: ErrorOutputType,
+        name: &str,
+        extended: bool,
+    ) -> (PpMode, Option<UserIdentifiedItem>) {
+        use PpMode::*;
+        use PpSourceMode::*;
+        let mut split = name.splitn(2, '=');
+        let first = split.next().unwrap();
+        let opt_second = split.next();
+        let first = match (first, extended) {
+            ("normal", _) => PpmSource(PpmNormal),
+            ("identified", _) => PpmSource(PpmIdentified),
+            ("everybody_loops", true) => PpmSource(PpmEveryBodyLoops),
+            ("expanded", _) => PpmSource(PpmExpanded),
+            ("expanded,identified", _) => PpmSource(PpmExpandedIdentified),
+            ("expanded,hygiene", _) => PpmSource(PpmExpandedHygiene),
+            ("hir", true) => PpmHir(PpmNormal),
+            ("hir,identified", true) => PpmHir(PpmIdentified),
+            ("hir,typed", true) => PpmHir(PpmTyped),
+            ("hir-tree", true) => PpmHirTree(PpmNormal),
+            ("mir", true) => PpmMir,
+            ("mir-cfg", true) => PpmMirCFG,
+            _ => {
+                if extended {
+                    early_error(efmt, &format!("argument to `unpretty` must be one of `normal`, \
+                                        `expanded`, `identified`, `expanded,identified`, \
+                                        `expanded,hygiene`, `everybody_loops`, \
+                                        `hir`, `hir,identified`, `hir,typed`, `hir-tree`, \
+                                        `mir` or `mir-cfg`; got {}",
+                                        name));
+                } else {
+                    early_error(efmt, &format!("argument to `pretty` must be one of `normal`, \
+                                        `expanded`, `identified`, or `expanded,identified`; got {}",
+                                        name));
+                }
+            }
+        };
+        let opt_second = opt_second.and_then(|s| s.parse::<UserIdentifiedItem>().ok());
+        (first, opt_second)
     }
 }
 
@@ -2656,6 +2731,151 @@ impl fmt::Display for CrateType {
     }
 }
 
+#[derive(Copy, Clone, PartialEq, Debug)]
+pub enum PpSourceMode {
+    PpmNormal,
+    PpmEveryBodyLoops,
+    PpmExpanded,
+    PpmIdentified,
+    PpmExpandedIdentified,
+    PpmExpandedHygiene,
+    PpmTyped,
+}
+
+#[derive(Copy, Clone, PartialEq, Debug)]
+pub enum PpMode {
+    PpmSource(PpSourceMode),
+    PpmHir(PpSourceMode),
+    PpmHirTree(PpSourceMode),
+    PpmMir,
+    PpmMirCFG,
+}
+
+impl PpMode {
+    pub fn needs_ast_map(&self, opt_uii: &Option<UserIdentifiedItem>) -> bool {
+        use PpMode::*;
+        use PpSourceMode::*;
+        match *self {
+            PpmSource(PpmNormal) |
+            PpmSource(PpmEveryBodyLoops) |
+            PpmSource(PpmIdentified) => opt_uii.is_some(),
+
+            PpmSource(PpmExpanded) |
+            PpmSource(PpmExpandedIdentified) |
+            PpmSource(PpmExpandedHygiene) |
+            PpmHir(_) |
+            PpmHirTree(_) |
+            PpmMir |
+            PpmMirCFG => true,
+            PpmSource(PpmTyped) => panic!("invalid state"),
+        }
+    }
+
+    pub fn needs_analysis(&self) -> bool {
+        use PpMode::*;
+        match *self {
+            PpmMir | PpmMirCFG => true,
+            _ => false,
+        }
+    }
+}
+
+#[derive(Clone, Debug)]
+pub enum UserIdentifiedItem {
+    ItemViaNode(ast::NodeId),
+    ItemViaPath(Vec<String>),
+}
+
+impl FromStr for UserIdentifiedItem {
+    type Err = ();
+    fn from_str(s: &str) -> Result<UserIdentifiedItem, ()> {
+        use UserIdentifiedItem::*;
+        Ok(s.parse()
+            .map(ast::NodeId::from_u32)
+            .map(ItemViaNode)
+            .unwrap_or_else(|_| ItemViaPath(s.split("::").map(|s| s.to_string()).collect())))
+    }
+}
+
+pub enum NodesMatchingUII<'a> {
+    NodesMatchingDirect(std::option::IntoIter<ast::NodeId>),
+    NodesMatchingSuffix(Box<dyn Iterator<Item = ast::NodeId> + 'a>),
+}
+
+impl<'a> Iterator for NodesMatchingUII<'a> {
+    type Item = ast::NodeId;
+
+    fn next(&mut self) -> Option<ast::NodeId> {
+        use NodesMatchingUII::*;
+        match self {
+            &mut NodesMatchingDirect(ref mut iter) => iter.next(),
+            &mut NodesMatchingSuffix(ref mut iter) => iter.next(),
+        }
+    }
+
+    fn size_hint(&self) -> (usize, Option<usize>) {
+        use NodesMatchingUII::*;
+        match self {
+            &NodesMatchingDirect(ref iter) => iter.size_hint(),
+            &NodesMatchingSuffix(ref iter) => iter.size_hint(),
+        }
+    }
+}
+
+impl UserIdentifiedItem {
+    pub fn reconstructed_input(&self) -> String {
+        use UserIdentifiedItem::*;
+        match *self {
+            ItemViaNode(node_id) => node_id.to_string(),
+            ItemViaPath(ref parts) => parts.join("::"),
+        }
+    }
+
+    pub fn all_matching_node_ids<'a, 'hir>(&'a self,
+                                       map: &'a hir_map::Map<'hir>)
+                                       -> NodesMatchingUII<'a> {
+        use UserIdentifiedItem::*;
+        use NodesMatchingUII::*;
+        match *self {
+            ItemViaNode(node_id) => NodesMatchingDirect(Some(node_id).into_iter()),
+            ItemViaPath(ref parts) => {
+                NodesMatchingSuffix(Box::new(map.nodes_matching_suffix(&parts)))
+            }
+        }
+    }
+
+    pub fn to_one_node_id(self,
+                      user_option: &str,
+                      sess: &Session,
+                      map: &hir_map::Map<'_>)
+                      -> ast::NodeId {
+        let fail_because = |is_wrong_because| -> ast::NodeId {
+            let message = format!("{} needs NodeId (int) or unique path suffix (b::c::d); got \
+                                   {}, which {}",
+                                  user_option,
+                                  self.reconstructed_input(),
+                                  is_wrong_because);
+            sess.fatal(&message)
+        };
+
+        let mut saw_node = ast::DUMMY_NODE_ID;
+        let mut seen = 0;
+        for node in self.all_matching_node_ids(map) {
+            saw_node = node;
+            seen += 1;
+            if seen > 1 {
+                fail_because("does not resolve uniquely");
+            }
+        }
+        if seen == 0 {
+            fail_because("does not resolve to any item");
+        }
+
+        assert!(seen == 1);
+        return saw_node;
+    }
+}
+
 /// Command-line arguments passed to the compiler have to be incorporated with
 /// the dependency tracking system for incremental compilation. This module
 /// provides some utilities to make this more convenient.

src/librustc_driver/lib.rs

@@ -25,8 +25,6 @@ extern crate lazy_static;
 
 pub extern crate rustc_plugin_impl as plugin;
 
-use pretty::{PpMode, UserIdentifiedItem};
-
 //use rustc_resolve as resolve;
 use rustc_save_analysis as save;
 use rustc_save_analysis::DumpHandler;
@@ -285,11 +283,9 @@ pub fn run_compiler(
             return sess.compile_status();
         }
 
-        let pretty_info = parse_pretty(sess, &matches);
-
         compiler.parse()?;
 
-        if let Some((ppm, opt_uii)) = pretty_info {
+        if let Some((ppm, opt_uii)) = &sess.opts.pretty {
             if ppm.needs_ast_map(&opt_uii) {
                 compiler.global_ctxt()?.peek_mut().enter(|tcx| {
                     let expanded_crate = compiler.expansion()?.take().0;
@@ -297,7 +293,7 @@ pub fn run_compiler(
                         tcx,
                         compiler.input(),
                         &expanded_crate,
-                        ppm,
+                        *ppm,
                         opt_uii.clone(),
                         compiler.output_file().as_ref().map(|p| &**p),
                     );
@@ -309,7 +305,7 @@ pub fn run_compiler(
                     sess,
                     &compiler.input(),
                     &krate,
-                    ppm,
+                    *ppm,
                     compiler.output_file().as_ref().map(|p| &**p),
                 );
             }
@@ -468,28 +464,6 @@ fn make_input(free_matches: &[String]) -> Option<(Input, Option<PathBuf>, Option
     }
 }
 
-fn parse_pretty(sess: &Session,
-                matches: &getopts::Matches)
-                -> Option<(PpMode, Option<UserIdentifiedItem>)> {
-    let pretty = if sess.opts.debugging_opts.unstable_options {
-        matches.opt_default("pretty", "normal").map(|a| {
-            // stable pretty-print variants only
-            pretty::parse_pretty(sess, &a, false)
-        })
-    } else {
-        None
-    };
-
-    if pretty.is_none() {
-        sess.opts.debugging_opts.unpretty.as_ref().map(|a| {
-            // extended with unstable pretty-print variants
-            pretty::parse_pretty(sess, &a, true)
-        })
-    } else {
-        pretty
-    }
-}
-
 // Whether to stop or continue compilation.
 #[derive(Copy, Clone, Debug, Eq, PartialEq)]
 pub enum Compilation {

src/librustc_driver/pretty.rs

@@ -5,7 +5,7 @@ use rustc::hir::map as hir_map;
 use rustc::hir::print as pprust_hir;
 use rustc::hir::def_id::LOCAL_CRATE;
 use rustc::session::Session;
-use rustc::session::config::Input;
+use rustc::session::config::{PpMode, PpSourceMode, UserIdentifiedItem, Input};
 use rustc::ty::{self, TyCtxt};
 use rustc::util::common::ErrorReported;
 use rustc_mir::util::{write_mir_pretty, write_mir_graphviz};
@@ -17,103 +17,15 @@ use syntax_pos::FileName;
 use std::cell::Cell;
 use std::fs::File;
 use std::io::Write;
-use std::option;
 use std::path::Path;
-use std::str::FromStr;
 
 pub use self::UserIdentifiedItem::*;
 pub use self::PpSourceMode::*;
 pub use self::PpMode::*;
-use self::NodesMatchingUII::*;
 use crate::abort_on_err;
 
 use crate::source_name;
 
-#[derive(Copy, Clone, PartialEq, Debug)]
-pub enum PpSourceMode {
-    PpmNormal,
-    PpmEveryBodyLoops,
-    PpmExpanded,
-    PpmIdentified,
-    PpmExpandedIdentified,
-    PpmExpandedHygiene,
-    PpmTyped,
-}
-
-#[derive(Copy, Clone, PartialEq, Debug)]
-pub enum PpMode {
-    PpmSource(PpSourceMode),
-    PpmHir(PpSourceMode),
-    PpmHirTree(PpSourceMode),
-    PpmMir,
-    PpmMirCFG,
-}
-
-impl PpMode {
-    pub fn needs_ast_map(&self, opt_uii: &Option<UserIdentifiedItem>) -> bool {
-        match *self {
-            PpmSource(PpmNormal) |
-            PpmSource(PpmEveryBodyLoops) |
-            PpmSource(PpmIdentified) => opt_uii.is_some(),
-
-            PpmSource(PpmExpanded) |
-            PpmSource(PpmExpandedIdentified) |
-            PpmSource(PpmExpandedHygiene) |
-            PpmHir(_) |
-            PpmHirTree(_) |
-            PpmMir |
-            PpmMirCFG => true,
-            PpmSource(PpmTyped) => panic!("invalid state"),
-        }
-    }
-
-    pub fn needs_analysis(&self) -> bool {
-        match *self {
-            PpmMir | PpmMirCFG => true,
-            _ => false,
-        }
-    }
-}
-
-pub fn parse_pretty(sess: &Session,
-                    name: &str,
-                    extended: bool)
-                    -> (PpMode, Option<UserIdentifiedItem>) {
-    let mut split = name.splitn(2, '=');
-    let first = split.next().unwrap();
-    let opt_second = split.next();
-    let first = match (first, extended) {
-        ("normal", _) => PpmSource(PpmNormal),
-        ("identified", _) => PpmSource(PpmIdentified),
-        ("everybody_loops", true) => PpmSource(PpmEveryBodyLoops),
-        ("expanded", _) => PpmSource(PpmExpanded),
-        ("expanded,identified", _) => PpmSource(PpmExpandedIdentified),
-        ("expanded,hygiene", _) => PpmSource(PpmExpandedHygiene),
-        ("hir", true) => PpmHir(PpmNormal),
-        ("hir,identified", true) => PpmHir(PpmIdentified),
-        ("hir,typed", true) => PpmHir(PpmTyped),
-        ("hir-tree", true) => PpmHirTree(PpmNormal),
-        ("mir", true) => PpmMir,
-        ("mir-cfg", true) => PpmMirCFG,
-        _ => {
-            if extended {
-                sess.fatal(&format!("argument to `unpretty` must be one of `normal`, \
-                                     `expanded`, `identified`, `expanded,identified`, \
-                                     `expanded,hygiene`, `everybody_loops`, \
-                                     `hir`, `hir,identified`, `hir,typed`, `hir-tree`, \
-                                     `mir` or `mir-cfg`; got {}",
-                                    name));
-            } else {
-                sess.fatal(&format!("argument to `pretty` must be one of `normal`, `expanded`, \
-                                     `identified`, or `expanded,identified`; got {}",
-                                    name));
-            }
-        }
-    };
-    let opt_second = opt_second.and_then(|s| s.parse::<UserIdentifiedItem>().ok());
-    (first, opt_second)
-}
-
 
 
 // This slightly awkward construction is to allow for each PpMode to
@@ -129,76 +41,74 @@ pub fn parse_pretty(sess: &Session,
 // (The `use_once_payload` is working around the current lack of once
 // functions in the compiler.)
 
-impl PpSourceMode {
-    /// Constructs a `PrinterSupport` object and passes it to `f`.
-    fn call_with_pp_support<'tcx, A, F>(
-        &self,
-        sess: &'tcx Session,
-        tcx: Option<TyCtxt<'tcx>>,
-        f: F,
-    ) -> A
-    where
-        F: FnOnce(&dyn PrinterSupport) -> A,
-    {
-        match *self {
-            PpmNormal | PpmEveryBodyLoops | PpmExpanded => {
-                let annotation = NoAnn {
-                    sess,
-                    tcx,
-                };
-                f(&annotation)
-            }
-
-            PpmIdentified | PpmExpandedIdentified => {
-                let annotation = IdentifiedAnnotation {
-                    sess,
-                    tcx,
-                };
-                f(&annotation)
-            }
-            PpmExpandedHygiene => {
-                let annotation = HygieneAnnotation {
-                    sess,
-                };
-                f(&annotation)
-            }
-            _ => panic!("Should use call_with_pp_support_hir"),
+/// Constructs a `PrinterSupport` object and passes it to `f`.
+fn call_with_pp_support<'tcx, A, F>(
+    ppmode: &PpSourceMode,
+    sess: &'tcx Session,
+    tcx: Option<TyCtxt<'tcx>>,
+    f: F,
+) -> A
+where
+    F: FnOnce(&dyn PrinterSupport) -> A,
+{
+    match *ppmode {
+        PpmNormal | PpmEveryBodyLoops | PpmExpanded => {
+            let annotation = NoAnn {
+                sess,
+                tcx,
+            };
+            f(&annotation)
         }
+
+        PpmIdentified | PpmExpandedIdentified => {
+            let annotation = IdentifiedAnnotation {
+                sess,
+                tcx,
+            };
+            f(&annotation)
+        }
+        PpmExpandedHygiene => {
+            let annotation = HygieneAnnotation {
+                sess,
+            };
+            f(&annotation)
+        }
+        _ => panic!("Should use call_with_pp_support_hir"),
     }
-    fn call_with_pp_support_hir<A, F>(&self, tcx: TyCtxt<'_>, f: F) -> A
-    where
-        F: FnOnce(&dyn HirPrinterSupport<'_>, &hir::Crate) -> A,
-    {
-        match *self {
-            PpmNormal => {
-                let annotation = NoAnn {
-                    sess: tcx.sess,
-                    tcx: Some(tcx),
-                };
-                f(&annotation, tcx.hir().forest.krate())
-            }
-
-            PpmIdentified => {
-                let annotation = IdentifiedAnnotation {
-                    sess: tcx.sess,
-                    tcx: Some(tcx),
-                };
-                f(&annotation, tcx.hir().forest.krate())
-            }
-            PpmTyped => {
-                abort_on_err(tcx.analysis(LOCAL_CRATE), tcx.sess);
-
-                let empty_tables = ty::TypeckTables::empty(None);
-                let annotation = TypedAnnotation {
-                    tcx,
-                    tables: Cell::new(&empty_tables)
-                };
-                tcx.dep_graph.with_ignore(|| {
-                    f(&annotation, tcx.hir().forest.krate())
-                })
-            }
-            _ => panic!("Should use call_with_pp_support"),
+}
+fn call_with_pp_support_hir<A, F>(ppmode: &PpSourceMode, tcx: TyCtxt<'_>, f: F) -> A
+where
+    F: FnOnce(&dyn HirPrinterSupport<'_>, &hir::Crate) -> A,
+{
+    match *ppmode {
+        PpmNormal => {
+            let annotation = NoAnn {
+                sess: tcx.sess,
+                tcx: Some(tcx),
+            };
+            f(&annotation, tcx.hir().forest.krate())
         }
+
+        PpmIdentified => {
+            let annotation = IdentifiedAnnotation {
+                sess: tcx.sess,
+                tcx: Some(tcx),
+            };
+            f(&annotation, tcx.hir().forest.krate())
+        }
+        PpmTyped => {
+            abort_on_err(tcx.analysis(LOCAL_CRATE), tcx.sess);
+
+            let empty_tables = ty::TypeckTables::empty(None);
+            let annotation = TypedAnnotation {
+                tcx,
+                tables: Cell::new(&empty_tables)
+            };
+            tcx.dep_graph.with_ignore(|| {
+                f(&annotation, tcx.hir().forest.krate())
+            })
+        }
+        _ => panic!("Should use call_with_pp_support"),
     }
 }
 
@@ -480,96 +390,6 @@ impl<'a, 'tcx> pprust_hir::PpAnn for TypedAnnotation<'a, 'tcx> {
     }
 }
 
-#[derive(Clone, Debug)]
-pub enum UserIdentifiedItem {
-    ItemViaNode(ast::NodeId),
-    ItemViaPath(Vec<String>),
-}
-
-impl FromStr for UserIdentifiedItem {
-    type Err = ();
-    fn from_str(s: &str) -> Result<UserIdentifiedItem, ()> {
-        Ok(s.parse()
-            .map(ast::NodeId::from_u32)
-            .map(ItemViaNode)
-            .unwrap_or_else(|_| ItemViaPath(s.split("::").map(|s| s.to_string()).collect())))
-    }
-}
-
-enum NodesMatchingUII<'a> {
-    NodesMatchingDirect(option::IntoIter<ast::NodeId>),
-    NodesMatchingSuffix(Box<dyn Iterator<Item = ast::NodeId> + 'a>),
-}
-
-impl<'a> Iterator for NodesMatchingUII<'a> {
-    type Item = ast::NodeId;
-
-    fn next(&mut self) -> Option<ast::NodeId> {
-        match self {
-            &mut NodesMatchingDirect(ref mut iter) => iter.next(),
-            &mut NodesMatchingSuffix(ref mut iter) => iter.next(),
-        }
-    }
-
-    fn size_hint(&self) -> (usize, Option<usize>) {
-        match self {
-            &NodesMatchingDirect(ref iter) => iter.size_hint(),
-            &NodesMatchingSuffix(ref iter) => iter.size_hint(),
-        }
-    }
-}
-
-impl UserIdentifiedItem {
-    fn reconstructed_input(&self) -> String {
-        match *self {
-            ItemViaNode(node_id) => node_id.to_string(),
-            ItemViaPath(ref parts) => parts.join("::"),
-        }
-    }
-
-    fn all_matching_node_ids<'a, 'hir>(&'a self,
-                                       map: &'a hir_map::Map<'hir>)
-                                       -> NodesMatchingUII<'a> {
-        match *self {
-            ItemViaNode(node_id) => NodesMatchingDirect(Some(node_id).into_iter()),
-            ItemViaPath(ref parts) => {
-                NodesMatchingSuffix(Box::new(map.nodes_matching_suffix(&parts)))
-            }
-        }
-    }
-
-    fn to_one_node_id(self,
-                      user_option: &str,
-                      sess: &Session,
-                      map: &hir_map::Map<'_>)
-                      -> ast::NodeId {
-        let fail_because = |is_wrong_because| -> ast::NodeId {
-            let message = format!("{} needs NodeId (int) or unique path suffix (b::c::d); got \
-                                   {}, which {}",
-                                  user_option,
-                                  self.reconstructed_input(),
-                                  is_wrong_because);
-            sess.fatal(&message)
-        };
-
-        let mut saw_node = ast::DUMMY_NODE_ID;
-        let mut seen = 0;
-        for node in self.all_matching_node_ids(map) {
-            saw_node = node;
-            seen += 1;
-            if seen > 1 {
-                fail_because("does not resolve uniquely");
-            }
-        }
-        if seen == 0 {
-            fail_because("does not resolve to any item");
-        }
-
-        assert!(seen == 1);
-        return saw_node;
-    }
-}
-
 fn get_source(input: &Input, sess: &Session) -> (String, FileName) {
     let src_name = source_name(input);
     let src = String::clone(&sess.source_map()
@@ -605,7 +425,7 @@ pub fn print_after_parsing(sess: &Session,
     if let PpmSource(s) = ppm {
         // Silently ignores an identified node.
         let out = &mut out;
-        s.call_with_pp_support(sess, None, move |annotation| {
+        call_with_pp_support(&s, sess, None, move |annotation| {
             debug!("pretty printing source code {:?}", s);
             let sess = annotation.sess();
             *out = pprust::print_crate(sess.source_map(),
@@ -650,7 +470,7 @@ pub fn print_after_hir_lowering<'tcx>(
                 // Silently ignores an identified node.
                 let out = &mut out;
                 let src = src.clone();
-                s.call_with_pp_support(tcx.sess, Some(tcx), move |annotation| {
+                call_with_pp_support(&s, tcx.sess, Some(tcx), move |annotation| {
                     debug!("pretty printing source code {:?}", s);
                     let sess = annotation.sess();
                     *out = pprust::print_crate(sess.source_map(),
@@ -666,7 +486,7 @@ pub fn print_after_hir_lowering<'tcx>(
             (PpmHir(s), None) => {
                 let out = &mut out;
                 let src = src.clone();
-                s.call_with_pp_support_hir(tcx, move |annotation, krate| {
+                call_with_pp_support_hir(&s, tcx, move |annotation, krate| {
                     debug!("pretty printing source code {:?}", s);
                     let sess = annotation.sess();
                     *out = pprust_hir::print_crate(sess.source_map(),
@@ -680,7 +500,7 @@ pub fn print_after_hir_lowering<'tcx>(
 
             (PpmHirTree(s), None) => {
                 let out = &mut out;
-                s.call_with_pp_support_hir(tcx, move |_annotation, krate| {
+                call_with_pp_support_hir(&s, tcx, move |_annotation, krate| {
                     debug!("pretty printing source code {:?}", s);
                     *out = format!("{:#?}", krate);
                 });
@@ -689,7 +509,7 @@ pub fn print_after_hir_lowering<'tcx>(
             (PpmHir(s), Some(uii)) => {
                 let out = &mut out;
                 let src = src.clone();
-                s.call_with_pp_support_hir(tcx, move |annotation, _| {
+                call_with_pp_support_hir(&s, tcx, move |annotation, _| {
                     debug!("pretty printing source code {:?}", s);
                     let sess = annotation.sess();
                     let hir_map = annotation.hir_map().expect("-Z unpretty missing HIR map");
@@ -714,7 +534,7 @@ pub fn print_after_hir_lowering<'tcx>(
 
             (PpmHirTree(s), Some(uii)) => {
                 let out = &mut out;
-                s.call_with_pp_support_hir(tcx, move |_annotation, _krate| {
+                call_with_pp_support_hir(&s, tcx, move |_annotation, _krate| {
                     debug!("pretty printing source code {:?}", s);
                     for node_id in uii.all_matching_node_ids(tcx.hir()) {
                         let hir_id = tcx.hir().node_to_hir_id(node_id);

src/librustc_interface/passes.rs

@@ -16,6 +16,7 @@ use rustc::traits;
 use rustc::util::common::{time, ErrorReported};
 use rustc::session::Session;
 use rustc::session::config::{self, CrateType, Input, OutputFilenames, OutputType};
+use rustc::session::config::{PpMode, PpSourceMode};
 use rustc::session::search_paths::PathKind;
 use rustc_codegen_ssa::back::link::emit_metadata;
 use rustc_codegen_utils::codegen_backend::CodegenBackend;
@@ -394,7 +395,11 @@ fn configure_and_expand_inner<'a>(
 
     // If we're actually rustdoc then there's no need to actually compile
     // anything, so switch everything to just looping
-    if sess.opts.actually_rustdoc {
+    let mut should_loop = sess.opts.actually_rustdoc;
+    if let Some((PpMode::PpmSource(PpSourceMode::PpmEveryBodyLoops), _)) = sess.opts.pretty {
+        should_loop |= true;
+    }
+    if should_loop {
         util::ReplaceBodyWithLoop::new(&mut resolver).visit_crate(&mut krate);
     }