Remove unpretty=flowgraph.

This commit is contained in:
Mazdak Farrokhzad 2019-09-25 23:18:47 +02:00
parent 463b19790b
commit 1eb280e2d8
3 changed files with 14 additions and 182 deletions

View File

@ -1268,14 +1268,6 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options,
save_analysis: bool = (false, parse_bool, [UNTRACKED],
"write syntax and type analysis (in JSON format) information, in \
addition to normal output"),
flowgraph_print_loans: bool = (false, parse_bool, [UNTRACKED],
"include loan analysis data in -Z unpretty flowgraph output"),
flowgraph_print_moves: bool = (false, parse_bool, [UNTRACKED],
"include move analysis data in -Z unpretty flowgraph output"),
flowgraph_print_assigns: bool = (false, parse_bool, [UNTRACKED],
"include assignment analysis data in -Z unpretty flowgraph output"),
flowgraph_print_all: bool = (false, parse_bool, [UNTRACKED],
"include all dataflow analysis data in -Z unpretty flowgraph output"),
print_region_graph: bool = (false, parse_bool, [UNTRACKED],
"prints region inference graph. \
Use with RUST_REGION_GRAPH=help for more info"),
@ -1424,8 +1416,6 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options,
valid types are any of the types for `--pretty`, as well as:
`expanded`, `expanded,identified`,
`expanded,hygiene` (with internal representations),
`flowgraph=<nodeid>` (graphviz formatted flowgraph for node),
`flowgraph,unlabelled=<nodeid>` (unlabelled graphviz formatted flowgraph for node),
`everybody_loops` (all function bodies replaced with `loop {}`),
`hir` (the HIR), `hir,identified`,
`hir,typed` (HIR with types for each node),

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@ -589,14 +589,6 @@ fn test_debugging_options_tracking_hash() {
assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
opts.debugging_opts.save_analysis = true;
assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
opts.debugging_opts.flowgraph_print_loans = true;
assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
opts.debugging_opts.flowgraph_print_moves = true;
assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
opts.debugging_opts.flowgraph_print_assigns = true;
assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
opts.debugging_opts.flowgraph_print_all = true;
assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
opts.debugging_opts.print_region_graph = true;
assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
opts.debugging_opts.parse_only = true;

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@ -2,7 +2,6 @@
use rustc::hir;
use rustc::hir::map as hir_map;
use rustc::hir::map::blocks;
use rustc::hir::print as pprust_hir;
use rustc::hir::def_id::LOCAL_CRATE;
use rustc::session::Session;
@ -10,9 +9,6 @@ use rustc::session::config::Input;
use rustc::ty::{self, TyCtxt};
use rustc::util::common::ErrorReported;
use rustc_interface::util::ReplaceBodyWithLoop;
use rustc_ast_borrowck as borrowck;
use rustc_ast_borrowck::graphviz as borrowck_dot;
use rustc_ast_borrowck::cfg::{self, graphviz::LabelledCFG};
use rustc_mir::util::{write_mir_pretty, write_mir_graphviz};
use syntax::ast;
@ -20,11 +16,9 @@ use syntax::mut_visit::MutVisitor;
use syntax::print::{pprust};
use syntax_pos::FileName;
use graphviz as dot;
use std::cell::Cell;
use std::fs::File;
use std::io::{self, Write};
use std::io::Write;
use std::option;
use std::path::Path;
use std::str::FromStr;
@ -48,21 +42,11 @@ pub enum PpSourceMode {
PpmTyped,
}
#[derive(Copy, Clone, PartialEq, Debug)]
pub enum PpFlowGraphMode {
Default,
/// Drops the labels from the edges in the flowgraph output. This
/// is mostly for use in the -Z unpretty flowgraph run-make tests,
/// since the labels are largely uninteresting in those cases and
/// have become a pain to maintain.
UnlabelledEdges,
}
#[derive(Copy, Clone, PartialEq, Debug)]
pub enum PpMode {
PpmSource(PpSourceMode),
PpmHir(PpSourceMode),
PpmHirTree(PpSourceMode),
PpmFlowGraph(PpFlowGraphMode),
PpmMir,
PpmMirCFG,
}
@ -80,15 +64,14 @@ impl PpMode {
PpmHir(_) |
PpmHirTree(_) |
PpmMir |
PpmMirCFG |
PpmFlowGraph(_) => true,
PpmMirCFG => true,
PpmSource(PpmTyped) => panic!("invalid state"),
}
}
pub fn needs_analysis(&self) -> bool {
match *self {
PpmMir | PpmMirCFG | PpmFlowGraph(_) => true,
PpmMir | PpmMirCFG => true,
_ => false,
}
}
@ -114,15 +97,13 @@ pub fn parse_pretty(sess: &Session,
("hir-tree", true) => PpmHirTree(PpmNormal),
("mir", true) => PpmMir,
("mir-cfg", true) => PpmMirCFG,
("flowgraph", true) => PpmFlowGraph(PpFlowGraphMode::Default),
("flowgraph,unlabelled", true) => PpmFlowGraph(PpFlowGraphMode::UnlabelledEdges),
_ => {
if extended {
sess.fatal(&format!("argument to `unpretty` must be one of `normal`, \
`expanded`, `flowgraph[,unlabelled]=<nodeid>`, \
`identified`, `expanded,identified`, `everybody_loops`, \
`hir`, `hir,identified`, `hir,typed`, `hir-tree`, \
`mir` or `mir-cfg`; got {}",
`expanded`, `identified`, `expanded,identified`, \
`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`, \
@ -501,24 +482,6 @@ impl<'a, 'tcx> pprust_hir::PpAnn for TypedAnnotation<'a, 'tcx> {
}
}
fn gather_flowgraph_variants(sess: &Session) -> Vec<borrowck_dot::Variant> {
let print_loans = sess.opts.debugging_opts.flowgraph_print_loans;
let print_moves = sess.opts.debugging_opts.flowgraph_print_moves;
let print_assigns = sess.opts.debugging_opts.flowgraph_print_assigns;
let print_all = sess.opts.debugging_opts.flowgraph_print_all;
let mut variants = Vec::new();
if print_all || print_loans {
variants.push(borrowck_dot::Loans);
}
if print_all || print_moves {
variants.push(borrowck_dot::Moves);
}
if print_all || print_assigns {
variants.push(borrowck_dot::Assigns);
}
variants
}
#[derive(Clone, Debug)]
pub enum UserIdentifiedItem {
ItemViaNode(ast::NodeId),
@ -609,81 +572,6 @@ impl UserIdentifiedItem {
}
}
fn print_flowgraph<'tcx, W: Write>(
variants: Vec<borrowck_dot::Variant>,
tcx: TyCtxt<'tcx>,
code: blocks::Code<'tcx>,
mode: PpFlowGraphMode,
mut out: W,
) -> io::Result<()> {
let body_id = match code {
blocks::Code::Expr(expr) => {
// Find the function this expression is from.
let mut hir_id = expr.hir_id;
loop {
let node = tcx.hir().get(hir_id);
if let Some(n) = hir::map::blocks::FnLikeNode::from_node(node) {
break n.body();
}
let parent = tcx.hir().get_parent_node(hir_id);
assert_ne!(hir_id, parent);
hir_id = parent;
}
}
blocks::Code::FnLike(fn_like) => fn_like.body(),
};
let body = tcx.hir().body(body_id);
let cfg = cfg::CFG::new(tcx, &body);
let labelled_edges = mode != PpFlowGraphMode::UnlabelledEdges;
let hir_id = code.id();
// We have to disassemble the hir_id because name must be ASCII
// alphanumeric. This does not appear in the rendered graph, so it does not
// have to be user friendly.
let name = format!(
"hir_id_{}_{}",
hir_id.owner.index(),
hir_id.local_id.index(),
);
let lcfg = LabelledCFG {
tcx,
cfg: &cfg,
name,
labelled_edges,
};
match code {
_ if variants.is_empty() => {
let r = dot::render(&lcfg, &mut out);
return expand_err_details(r);
}
blocks::Code::Expr(_) => {
tcx.sess.err("--pretty flowgraph with -Z flowgraph-print annotations requires \
fn-like node id.");
return Ok(());
}
blocks::Code::FnLike(fn_like) => {
let (bccx, analysis_data) =
borrowck::build_borrowck_dataflow_data_for_fn(tcx, fn_like.body(), &cfg);
let lcfg = borrowck_dot::DataflowLabeller {
inner: lcfg,
variants,
borrowck_ctxt: &bccx,
analysis_data: &analysis_data,
};
let r = dot::render(&lcfg, &mut out);
return expand_err_details(r);
}
}
fn expand_err_details(r: io::Result<()>) -> io::Result<()> {
r.map_err(|ioerr| {
io::Error::new(io::ErrorKind::Other,
format!("graphviz::render failed: {}", ioerr))
})
}
}
pub fn visit_crate(sess: &Session, krate: &mut ast::Crate, ppm: PpMode) {
if let PpmSource(PpmEveryBodyLoops) = ppm {
ReplaceBodyWithLoop::new(sess).visit_crate(krate);
@ -872,55 +760,17 @@ fn print_with_analysis(
tcx.analysis(LOCAL_CRATE)?;
let mut print = || match ppm {
match ppm {
PpmMir | PpmMirCFG => {
if let Some(nodeid) = nodeid {
let def_id = tcx.hir().local_def_id_from_node_id(nodeid);
let def_id = nodeid.map(|nid| tcx.hir().local_def_id_from_node_id(nid));
match ppm {
PpmMir => write_mir_pretty(tcx, Some(def_id), &mut out),
PpmMirCFG => write_mir_graphviz(tcx, Some(def_id), &mut out),
PpmMir => write_mir_pretty(tcx, def_id, &mut out),
PpmMirCFG => write_mir_graphviz(tcx, def_id, &mut out),
_ => unreachable!(),
}?;
} else {
match ppm {
PpmMir => write_mir_pretty(tcx, None, &mut out),
PpmMirCFG => write_mir_graphviz(tcx, None, &mut out),
_ => unreachable!(),
}?;
}
Ok(())
}
PpmFlowGraph(mode) => {
let nodeid =
nodeid.expect("`pretty flowgraph=..` needs NodeId (int) or unique path \
suffix (b::c::d)");
let hir_id = tcx.hir().node_to_hir_id(nodeid);
let node = tcx.hir().find(hir_id).unwrap_or_else(|| {
tcx.sess.fatal(&format!("`--pretty=flowgraph` couldn't find ID: {}", nodeid))
});
match blocks::Code::from_node(&tcx.hir(), hir_id) {
Some(code) => {
let variants = gather_flowgraph_variants(tcx.sess);
let out: &mut dyn Write = &mut out;
print_flowgraph(variants, tcx, code, mode, out)
}
None => {
let message = format!("`--pretty=flowgraph` needs block, fn, or method; \
got {:?}",
node);
let hir_id = tcx.hir().node_to_hir_id(nodeid);
tcx.sess.span_fatal(tcx.hir().span(hir_id), &message)
}
}
}
_ => unreachable!(),
};
print().unwrap();
}.unwrap();
write_output(out, ofile);