779 lines
25 KiB
Rust
779 lines
25 KiB
Rust
//! The various pretty-printing routines.
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use rustc::hir;
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use rustc::hir::map as hir_map;
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use rustc::hir::print as pprust_hir;
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use rustc::hir::def_id::LOCAL_CRATE;
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use rustc::session::Session;
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use rustc::session::config::Input;
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use rustc::ty::{self, TyCtxt};
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use rustc::util::common::ErrorReported;
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use rustc_interface::util::ReplaceBodyWithLoop;
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use rustc_mir::util::{write_mir_pretty, write_mir_graphviz};
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use syntax::ast;
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use syntax::mut_visit::MutVisitor;
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use syntax::print::{pprust};
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use syntax_pos::FileName;
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use std::cell::Cell;
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use std::fs::File;
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use std::io::Write;
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use std::option;
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use std::path::Path;
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use std::str::FromStr;
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pub use self::UserIdentifiedItem::*;
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pub use self::PpSourceMode::*;
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pub use self::PpMode::*;
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use self::NodesMatchingUII::*;
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use crate::abort_on_err;
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use crate::source_name;
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#[derive(Copy, Clone, PartialEq, Debug)]
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pub enum PpSourceMode {
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PpmNormal,
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PpmEveryBodyLoops,
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PpmExpanded,
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PpmIdentified,
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PpmExpandedIdentified,
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PpmExpandedHygiene,
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PpmTyped,
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}
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#[derive(Copy, Clone, PartialEq, Debug)]
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pub enum PpMode {
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PpmSource(PpSourceMode),
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PpmHir(PpSourceMode),
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PpmHirTree(PpSourceMode),
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PpmMir,
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PpmMirCFG,
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}
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impl PpMode {
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pub fn needs_ast_map(&self, opt_uii: &Option<UserIdentifiedItem>) -> bool {
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match *self {
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PpmSource(PpmNormal) |
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PpmSource(PpmEveryBodyLoops) |
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PpmSource(PpmIdentified) => opt_uii.is_some(),
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PpmSource(PpmExpanded) |
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PpmSource(PpmExpandedIdentified) |
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PpmSource(PpmExpandedHygiene) |
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PpmHir(_) |
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PpmHirTree(_) |
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PpmMir |
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PpmMirCFG => true,
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PpmSource(PpmTyped) => panic!("invalid state"),
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}
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}
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pub fn needs_analysis(&self) -> bool {
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match *self {
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PpmMir | PpmMirCFG => true,
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_ => false,
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}
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}
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}
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pub fn parse_pretty(sess: &Session,
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name: &str,
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extended: bool)
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-> (PpMode, Option<UserIdentifiedItem>) {
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let mut split = name.splitn(2, '=');
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let first = split.next().unwrap();
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let opt_second = split.next();
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let first = match (first, extended) {
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("normal", _) => PpmSource(PpmNormal),
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("identified", _) => PpmSource(PpmIdentified),
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("everybody_loops", true) => PpmSource(PpmEveryBodyLoops),
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("expanded", _) => PpmSource(PpmExpanded),
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("expanded,identified", _) => PpmSource(PpmExpandedIdentified),
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("expanded,hygiene", _) => PpmSource(PpmExpandedHygiene),
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("hir", true) => PpmHir(PpmNormal),
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("hir,identified", true) => PpmHir(PpmIdentified),
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("hir,typed", true) => PpmHir(PpmTyped),
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("hir-tree", true) => PpmHirTree(PpmNormal),
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("mir", true) => PpmMir,
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("mir-cfg", true) => PpmMirCFG,
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_ => {
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if extended {
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sess.fatal(&format!("argument to `unpretty` must be one of `normal`, \
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`expanded`, `identified`, `expanded,identified`, \
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`expanded,hygiene`, `everybody_loops`, \
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`hir`, `hir,identified`, `hir,typed`, `hir-tree`, \
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`mir` or `mir-cfg`; got {}",
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name));
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} else {
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sess.fatal(&format!("argument to `pretty` must be one of `normal`, `expanded`, \
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`identified`, or `expanded,identified`; got {}",
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name));
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}
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}
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};
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let opt_second = opt_second.and_then(|s| s.parse::<UserIdentifiedItem>().ok());
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(first, opt_second)
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}
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// This slightly awkward construction is to allow for each PpMode to
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// choose whether it needs to do analyses (which can consume the
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// Session) and then pass through the session (now attached to the
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// analysis results) on to the chosen pretty-printer, along with the
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// `&PpAnn` object.
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//
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// Note that since the `&PrinterSupport` is freshly constructed on each
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// call, it would not make sense to try to attach the lifetime of `self`
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// to the lifetime of the `&PrinterObject`.
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//
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// (The `use_once_payload` is working around the current lack of once
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// functions in the compiler.)
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impl PpSourceMode {
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/// Constructs a `PrinterSupport` object and passes it to `f`.
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fn call_with_pp_support<'tcx, A, F>(
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&self,
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sess: &'tcx Session,
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tcx: Option<TyCtxt<'tcx>>,
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f: F,
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) -> A
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where
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F: FnOnce(&dyn PrinterSupport) -> A,
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{
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match *self {
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PpmNormal | PpmEveryBodyLoops | PpmExpanded => {
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let annotation = NoAnn {
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sess,
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tcx,
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};
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f(&annotation)
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}
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PpmIdentified | PpmExpandedIdentified => {
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let annotation = IdentifiedAnnotation {
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sess,
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tcx,
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};
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f(&annotation)
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}
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PpmExpandedHygiene => {
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let annotation = HygieneAnnotation {
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sess,
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};
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f(&annotation)
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}
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_ => panic!("Should use call_with_pp_support_hir"),
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}
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}
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fn call_with_pp_support_hir<A, F>(&self, tcx: TyCtxt<'_>, f: F) -> A
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where
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F: FnOnce(&dyn HirPrinterSupport<'_>, &hir::Crate) -> A,
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{
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match *self {
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PpmNormal => {
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let annotation = NoAnn {
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sess: tcx.sess,
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tcx: Some(tcx),
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};
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f(&annotation, tcx.hir().forest.krate())
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}
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PpmIdentified => {
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let annotation = IdentifiedAnnotation {
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sess: tcx.sess,
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tcx: Some(tcx),
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};
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f(&annotation, tcx.hir().forest.krate())
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}
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PpmTyped => {
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abort_on_err(tcx.analysis(LOCAL_CRATE), tcx.sess);
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let empty_tables = ty::TypeckTables::empty(None);
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let annotation = TypedAnnotation {
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tcx,
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tables: Cell::new(&empty_tables)
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};
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tcx.dep_graph.with_ignore(|| {
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f(&annotation, tcx.hir().forest.krate())
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})
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}
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_ => panic!("Should use call_with_pp_support"),
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}
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}
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}
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trait PrinterSupport: pprust::PpAnn {
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/// Provides a uniform interface for re-extracting a reference to a
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/// `Session` from a value that now owns it.
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fn sess(&self) -> &Session;
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/// Produces the pretty-print annotation object.
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///
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/// (Rust does not yet support upcasting from a trait object to
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/// an object for one of its super-traits.)
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fn pp_ann<'a>(&'a self) -> &'a dyn pprust::PpAnn;
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}
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trait HirPrinterSupport<'hir>: pprust_hir::PpAnn {
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/// Provides a uniform interface for re-extracting a reference to a
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/// `Session` from a value that now owns it.
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fn sess(&self) -> &Session;
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/// Provides a uniform interface for re-extracting a reference to an
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/// `hir_map::Map` from a value that now owns it.
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fn hir_map<'a>(&'a self) -> Option<&'a hir_map::Map<'hir>>;
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/// Produces the pretty-print annotation object.
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///
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/// (Rust does not yet support upcasting from a trait object to
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/// an object for one of its super-traits.)
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fn pp_ann<'a>(&'a self) -> &'a dyn pprust_hir::PpAnn;
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/// Computes an user-readable representation of a path, if possible.
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fn node_path(&self, id: hir::HirId) -> Option<String> {
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self.hir_map().and_then(|map| {
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map.def_path_from_hir_id(id)
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}).map(|path| {
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path.data
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.into_iter()
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.map(|elem| elem.data.to_string())
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.collect::<Vec<_>>()
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.join("::")
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})
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}
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}
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struct NoAnn<'hir> {
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sess: &'hir Session,
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tcx: Option<TyCtxt<'hir>>,
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}
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impl<'hir> PrinterSupport for NoAnn<'hir> {
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fn sess(&self) -> &Session {
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self.sess
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}
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fn pp_ann<'a>(&'a self) -> &'a dyn pprust::PpAnn {
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self
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}
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}
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impl<'hir> HirPrinterSupport<'hir> for NoAnn<'hir> {
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fn sess(&self) -> &Session {
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self.sess
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}
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fn hir_map<'a>(&'a self) -> Option<&'a hir_map::Map<'hir>> {
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self.tcx.map(|tcx| tcx.hir())
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}
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fn pp_ann<'a>(&'a self) -> &'a dyn pprust_hir::PpAnn {
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self
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}
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}
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impl<'hir> pprust::PpAnn for NoAnn<'hir> {}
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impl<'hir> pprust_hir::PpAnn for NoAnn<'hir> {
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fn nested(&self, state: &mut pprust_hir::State<'_>, nested: pprust_hir::Nested) {
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if let Some(tcx) = self.tcx {
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pprust_hir::PpAnn::nested(tcx.hir(), state, nested)
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}
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}
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}
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struct IdentifiedAnnotation<'hir> {
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sess: &'hir Session,
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tcx: Option<TyCtxt<'hir>>,
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}
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impl<'hir> PrinterSupport for IdentifiedAnnotation<'hir> {
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fn sess(&self) -> &Session {
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self.sess
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}
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fn pp_ann<'a>(&'a self) -> &'a dyn pprust::PpAnn {
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self
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}
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}
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impl<'hir> pprust::PpAnn for IdentifiedAnnotation<'hir> {
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fn pre(&self, s: &mut pprust::State<'_>, node: pprust::AnnNode<'_>) {
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match node {
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pprust::AnnNode::Expr(_) => s.popen(),
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_ => {}
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}
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}
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fn post(&self, s: &mut pprust::State<'_>, node: pprust::AnnNode<'_>) {
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match node {
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pprust::AnnNode::Crate(_) |
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pprust::AnnNode::Ident(_) |
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pprust::AnnNode::Name(_) => {},
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pprust::AnnNode::Item(item) => {
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s.s.space();
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s.synth_comment(item.id.to_string())
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}
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pprust::AnnNode::SubItem(id) => {
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s.s.space();
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s.synth_comment(id.to_string())
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}
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pprust::AnnNode::Block(blk) => {
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s.s.space();
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s.synth_comment(format!("block {}", blk.id))
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}
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pprust::AnnNode::Expr(expr) => {
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s.s.space();
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s.synth_comment(expr.id.to_string());
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s.pclose()
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}
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pprust::AnnNode::Pat(pat) => {
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s.s.space();
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s.synth_comment(format!("pat {}", pat.id));
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}
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}
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}
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}
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impl<'hir> HirPrinterSupport<'hir> for IdentifiedAnnotation<'hir> {
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fn sess(&self) -> &Session {
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self.sess
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}
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fn hir_map<'a>(&'a self) -> Option<&'a hir_map::Map<'hir>> {
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self.tcx.map(|tcx| tcx.hir())
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}
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fn pp_ann<'a>(&'a self) -> &'a dyn pprust_hir::PpAnn {
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self
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}
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}
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impl<'hir> pprust_hir::PpAnn for IdentifiedAnnotation<'hir> {
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fn nested(&self, state: &mut pprust_hir::State<'_>, nested: pprust_hir::Nested) {
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if let Some(ref tcx) = self.tcx {
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pprust_hir::PpAnn::nested(tcx.hir(), state, nested)
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}
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}
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fn pre(&self, s: &mut pprust_hir::State<'_>, node: pprust_hir::AnnNode<'_>) {
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match node {
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pprust_hir::AnnNode::Expr(_) => s.popen(),
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_ => {}
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}
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}
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fn post(&self, s: &mut pprust_hir::State<'_>, node: pprust_hir::AnnNode<'_>) {
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match node {
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pprust_hir::AnnNode::Name(_) => {},
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pprust_hir::AnnNode::Item(item) => {
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s.s.space();
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s.synth_comment(format!("hir_id: {}", item.hir_id));
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}
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pprust_hir::AnnNode::SubItem(id) => {
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s.s.space();
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s.synth_comment(id.to_string());
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}
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pprust_hir::AnnNode::Block(blk) => {
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s.s.space();
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s.synth_comment(format!("block hir_id: {}", blk.hir_id));
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}
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pprust_hir::AnnNode::Expr(expr) => {
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s.s.space();
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s.synth_comment(format!("expr hir_id: {}", expr.hir_id));
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s.pclose();
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}
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pprust_hir::AnnNode::Pat(pat) => {
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s.s.space();
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s.synth_comment(format!("pat hir_id: {}", pat.hir_id));
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}
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pprust_hir::AnnNode::Arm(arm) => {
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s.s.space();
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s.synth_comment(format!("arm hir_id: {}", arm.hir_id));
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}
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}
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}
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}
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struct HygieneAnnotation<'a> {
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sess: &'a Session
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}
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impl<'a> PrinterSupport for HygieneAnnotation<'a> {
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fn sess(&self) -> &Session {
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self.sess
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}
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fn pp_ann(&self) -> &dyn pprust::PpAnn {
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self
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}
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}
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impl<'a> pprust::PpAnn for HygieneAnnotation<'a> {
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fn post(&self, s: &mut pprust::State<'_>, node: pprust::AnnNode<'_>) {
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match node {
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pprust::AnnNode::Ident(&ast::Ident { name, span }) => {
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s.s.space();
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s.synth_comment(format!("{}{:?}", name.as_u32(), span.ctxt()))
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}
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pprust::AnnNode::Name(&name) => {
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s.s.space();
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s.synth_comment(name.as_u32().to_string())
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}
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pprust::AnnNode::Crate(_) => {
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s.s.hardbreak();
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let verbose = self.sess.verbose();
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s.synth_comment(syntax_pos::hygiene::debug_hygiene_data(verbose));
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s.s.hardbreak_if_not_bol();
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}
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_ => {}
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}
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}
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}
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struct TypedAnnotation<'a, 'tcx> {
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tcx: TyCtxt<'tcx>,
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tables: Cell<&'a ty::TypeckTables<'tcx>>,
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}
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impl<'b, 'tcx> HirPrinterSupport<'tcx> for TypedAnnotation<'b, 'tcx> {
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fn sess(&self) -> &Session {
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&self.tcx.sess
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}
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fn hir_map<'a>(&'a self) -> Option<&'a hir_map::Map<'tcx>> {
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Some(&self.tcx.hir())
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}
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fn pp_ann<'a>(&'a self) -> &'a dyn pprust_hir::PpAnn {
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self
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}
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fn node_path(&self, id: hir::HirId) -> Option<String> {
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Some(self.tcx.def_path_str(self.tcx.hir().local_def_id(id)))
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}
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}
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impl<'a, 'tcx> pprust_hir::PpAnn for TypedAnnotation<'a, 'tcx> {
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fn nested(&self, state: &mut pprust_hir::State<'_>, nested: pprust_hir::Nested) {
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let old_tables = self.tables.get();
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if let pprust_hir::Nested::Body(id) = nested {
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self.tables.set(self.tcx.body_tables(id));
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}
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pprust_hir::PpAnn::nested(self.tcx.hir(), state, nested);
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self.tables.set(old_tables);
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}
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fn pre(&self, s: &mut pprust_hir::State<'_>, node: pprust_hir::AnnNode<'_>) {
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match node {
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pprust_hir::AnnNode::Expr(_) => s.popen(),
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_ => {}
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}
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}
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fn post(&self, s: &mut pprust_hir::State<'_>, node: pprust_hir::AnnNode<'_>) {
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match node {
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pprust_hir::AnnNode::Expr(expr) => {
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s.s.space();
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s.s.word("as");
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s.s.space();
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s.s.word(self.tables.get().expr_ty(expr).to_string());
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s.pclose();
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}
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_ => {},
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}
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}
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}
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#[derive(Clone, Debug)]
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pub enum UserIdentifiedItem {
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ItemViaNode(ast::NodeId),
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ItemViaPath(Vec<String>),
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}
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impl FromStr for UserIdentifiedItem {
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type Err = ();
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fn from_str(s: &str) -> Result<UserIdentifiedItem, ()> {
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Ok(s.parse()
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.map(ast::NodeId::from_u32)
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.map(ItemViaNode)
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.unwrap_or_else(|_| ItemViaPath(s.split("::").map(|s| s.to_string()).collect())))
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}
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
pub fn visit_crate(sess: &Session, krate: &mut ast::Crate, ppm: PpMode) {
|
|
if let PpmSource(PpmEveryBodyLoops) = ppm {
|
|
ReplaceBodyWithLoop::new(sess).visit_crate(krate);
|
|
}
|
|
}
|
|
|
|
fn get_source(input: &Input, sess: &Session) -> (String, FileName) {
|
|
let src_name = source_name(input);
|
|
let src = String::clone(&sess.source_map()
|
|
.get_source_file(&src_name)
|
|
.unwrap()
|
|
.src
|
|
.as_ref()
|
|
.unwrap());
|
|
(src, src_name)
|
|
}
|
|
|
|
fn write_output(out: Vec<u8>, ofile: Option<&Path>) {
|
|
match ofile {
|
|
None => print!("{}", String::from_utf8(out).unwrap()),
|
|
Some(p) => {
|
|
match File::create(p) {
|
|
Ok(mut w) => w.write_all(&out).unwrap(),
|
|
Err(e) => panic!("print-print failed to open {} due to {}", p.display(), e),
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn print_after_parsing(sess: &Session,
|
|
input: &Input,
|
|
krate: &ast::Crate,
|
|
ppm: PpMode,
|
|
ofile: Option<&Path>) {
|
|
let (src, src_name) = get_source(input, sess);
|
|
|
|
let mut out = String::new();
|
|
|
|
if let PpmSource(s) = ppm {
|
|
// Silently ignores an identified node.
|
|
let out = &mut out;
|
|
s.call_with_pp_support(sess, None, move |annotation| {
|
|
debug!("pretty printing source code {:?}", s);
|
|
let sess = annotation.sess();
|
|
*out = pprust::print_crate(sess.source_map(),
|
|
&sess.parse_sess,
|
|
krate,
|
|
src_name,
|
|
src,
|
|
annotation.pp_ann(),
|
|
false)
|
|
})
|
|
} else {
|
|
unreachable!();
|
|
};
|
|
|
|
write_output(out.into_bytes(), ofile);
|
|
}
|
|
|
|
pub fn print_after_hir_lowering<'tcx>(
|
|
tcx: TyCtxt<'tcx>,
|
|
input: &Input,
|
|
krate: &ast::Crate,
|
|
ppm: PpMode,
|
|
opt_uii: Option<UserIdentifiedItem>,
|
|
ofile: Option<&Path>,
|
|
) {
|
|
if ppm.needs_analysis() {
|
|
abort_on_err(print_with_analysis(
|
|
tcx,
|
|
ppm,
|
|
opt_uii,
|
|
ofile
|
|
), tcx.sess);
|
|
return;
|
|
}
|
|
|
|
let (src, src_name) = get_source(input, tcx.sess);
|
|
|
|
let mut out = String::new();
|
|
|
|
match (ppm, opt_uii) {
|
|
(PpmSource(s), _) => {
|
|
// Silently ignores an identified node.
|
|
let out = &mut out;
|
|
let src = src.clone();
|
|
s.call_with_pp_support(tcx.sess, Some(tcx), move |annotation| {
|
|
debug!("pretty printing source code {:?}", s);
|
|
let sess = annotation.sess();
|
|
*out = pprust::print_crate(sess.source_map(),
|
|
&sess.parse_sess,
|
|
krate,
|
|
src_name,
|
|
src,
|
|
annotation.pp_ann(),
|
|
true)
|
|
})
|
|
}
|
|
|
|
(PpmHir(s), None) => {
|
|
let out = &mut out;
|
|
let src = src.clone();
|
|
s.call_with_pp_support_hir(tcx, move |annotation, krate| {
|
|
debug!("pretty printing source code {:?}", s);
|
|
let sess = annotation.sess();
|
|
*out = pprust_hir::print_crate(sess.source_map(),
|
|
&sess.parse_sess,
|
|
krate,
|
|
src_name,
|
|
src,
|
|
annotation.pp_ann())
|
|
})
|
|
}
|
|
|
|
(PpmHirTree(s), None) => {
|
|
let out = &mut out;
|
|
s.call_with_pp_support_hir(tcx, move |_annotation, krate| {
|
|
debug!("pretty printing source code {:?}", s);
|
|
*out = format!("{:#?}", krate);
|
|
});
|
|
}
|
|
|
|
(PpmHir(s), Some(uii)) => {
|
|
let out = &mut out;
|
|
let src = src.clone();
|
|
s.call_with_pp_support_hir(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");
|
|
let mut pp_state = pprust_hir::State::new_from_input(sess.source_map(),
|
|
&sess.parse_sess,
|
|
src_name,
|
|
src,
|
|
annotation.pp_ann());
|
|
for node_id in uii.all_matching_node_ids(hir_map) {
|
|
let hir_id = tcx.hir().node_to_hir_id(node_id);
|
|
let node = hir_map.get(hir_id);
|
|
pp_state.print_node(node);
|
|
pp_state.s.space();
|
|
let path = annotation.node_path(hir_id)
|
|
.expect("-Z unpretty missing node paths");
|
|
pp_state.synth_comment(path);
|
|
pp_state.s.hardbreak();
|
|
}
|
|
*out = pp_state.s.eof();
|
|
})
|
|
}
|
|
|
|
(PpmHirTree(s), Some(uii)) => {
|
|
let out = &mut out;
|
|
s.call_with_pp_support_hir(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);
|
|
let node = tcx.hir().get(hir_id);
|
|
out.push_str(&format!("{:#?}", node));
|
|
}
|
|
})
|
|
}
|
|
|
|
_ => unreachable!(),
|
|
}
|
|
|
|
write_output(out.into_bytes(), ofile);
|
|
}
|
|
|
|
// In an ideal world, this would be a public function called by the driver after
|
|
// analysis is performed. However, we want to call `phase_3_run_analysis_passes`
|
|
// with a different callback than the standard driver, so that isn't easy.
|
|
// Instead, we call that function ourselves.
|
|
fn print_with_analysis(
|
|
tcx: TyCtxt<'_>,
|
|
ppm: PpMode,
|
|
uii: Option<UserIdentifiedItem>,
|
|
ofile: Option<&Path>,
|
|
) -> Result<(), ErrorReported> {
|
|
let nodeid = if let Some(uii) = uii {
|
|
debug!("pretty printing for {:?}", uii);
|
|
Some(uii.to_one_node_id("-Z unpretty", tcx.sess, tcx.hir()))
|
|
} else {
|
|
debug!("pretty printing for whole crate");
|
|
None
|
|
};
|
|
|
|
let mut out = Vec::new();
|
|
|
|
tcx.analysis(LOCAL_CRATE)?;
|
|
|
|
match ppm {
|
|
PpmMir | PpmMirCFG => {
|
|
let def_id = nodeid.map(|nid| tcx.hir().local_def_id_from_node_id(nid));
|
|
match ppm {
|
|
PpmMir => write_mir_pretty(tcx, def_id, &mut out),
|
|
PpmMirCFG => write_mir_graphviz(tcx, def_id, &mut out),
|
|
_ => unreachable!(),
|
|
}
|
|
}
|
|
_ => unreachable!(),
|
|
}.unwrap();
|
|
|
|
write_output(out, ofile);
|
|
|
|
Ok(())
|
|
}
|