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run rustfmt on librustc_driver folder #37296

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Nov 2, 2016
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run rustfmt on librustc_driver folder #37296

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278 changes: 145 additions & 133 deletions src/librustc_driver/pretty.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -101,8 +101,8 @@ impl PpMode {

pub fn needs_analysis(&self) -> bool {
match *self {
PpmMir | PpmMirCFG | PpmFlowGraph(_) => true,
_ => false,
PpmMir | PpmMirCFG | PpmFlowGraph(_) => true,
_ => false,
}
}
}
Expand Down Expand Up @@ -233,14 +233,11 @@ impl PpSourceMode {
arenas,
id,
|tcx, _, _, _| {
let annotation = TypedAnnotation {
tcx: tcx,
};
let annotation = TypedAnnotation { tcx: tcx };
let _ignore = tcx.dep_graph.in_ignore();
f(&annotation,
payload,
ast_map.forest.krate())
}), sess)
f(&annotation, payload, ast_map.forest.krate())
}),
sess)
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I find this formatting confusing and hard to read.

}
_ => panic!("Should use call_with_pp_support"),
}
Expand Down Expand Up @@ -281,9 +278,11 @@ trait HirPrinterSupport<'ast>: pprust_hir::PpAnn {
/// Computes an user-readable representation of a path, if possible.
fn node_path(&self, id: ast::NodeId) -> Option<String> {
self.ast_map().and_then(|map| map.def_path_from_id(id)).map(|path| {
path.data.into_iter().map(|elem| {
elem.data.to_string()
}).collect::<Vec<_>>().join("::")
path.data
.into_iter()
.map(|elem| elem.data.to_string())
.collect::<Vec<_>>()
.join("::")
})
}
}
Expand Down Expand Up @@ -352,7 +351,8 @@ impl<'ast> pprust::PpAnn for IdentifiedAnnotation<'ast> {
}
fn post(&self, s: &mut pprust::State, node: pprust::AnnNode) -> io::Result<()> {
match node {
pprust::NodeIdent(_) | pprust::NodeName(_) => Ok(()),
pprust::NodeIdent(_) |
pprust::NodeName(_) => Ok(()),
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Needless added line break.


pprust::NodeItem(item) => {
pp::space(&mut s.s)?;
Expand Down Expand Up @@ -617,15 +617,14 @@ impl ReplaceBodyWithLoop {
impl fold::Folder for ReplaceBodyWithLoop {
fn fold_item_kind(&mut self, i: ast::ItemKind) -> ast::ItemKind {
match i {
ast::ItemKind::Static(..) | ast::ItemKind::Const(..) => {
ast::ItemKind::Static(..) |
ast::ItemKind::Const(..) => {
self.within_static_or_const = true;
let ret = fold::noop_fold_item_kind(i, self);
self.within_static_or_const = false;
return ret;
}
_ => {
fold::noop_fold_item_kind(i, self)
}
_ => fold::noop_fold_item_kind(i, self),
}
}

Expand Down Expand Up @@ -656,11 +655,15 @@ impl fold::Folder for ReplaceBodyWithLoop {
fn fold_block(&mut self, b: P<ast::Block>) -> P<ast::Block> {
fn expr_to_block(rules: ast::BlockCheckMode, e: Option<P<ast::Expr>>) -> P<ast::Block> {
P(ast::Block {
stmts: e.map(|e| ast::Stmt {
id: ast::DUMMY_NODE_ID,
span: e.span,
node: ast::StmtKind::Expr(e),
}).into_iter().collect(),
stmts: e.map(|e| {
ast::Stmt {
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Strange indent.

id: ast::DUMMY_NODE_ID,
span: e.span,
node: ast::StmtKind::Expr(e),
}
})
.into_iter()
.collect(),
rules: rules,
id: ast::DUMMY_NODE_ID,
span: syntax_pos::DUMMY_SP,
Expand Down Expand Up @@ -721,9 +724,7 @@ fn print_flowgraph<'a, 'tcx, W: Write>(variants: Vec<borrowck_dot::Variant>,
}
blocks::FnLikeCode(fn_like) => {
let (bccx, analysis_data) =
borrowck::build_borrowck_dataflow_data_for_fn(tcx,
fn_like.to_fn_parts(),
&cfg);
borrowck::build_borrowck_dataflow_data_for_fn(tcx, fn_like.to_fn_parts(), &cfg);

let lcfg = borrowck_dot::DataflowLabeller {
inner: lcfg,
Expand Down Expand Up @@ -756,13 +757,13 @@ pub fn fold_crate(krate: ast::Crate, ppm: PpMode) -> ast::Crate {
fn get_source(input: &Input, sess: &Session) -> (Vec<u8>, String) {
let src_name = driver::source_name(input);
let src = sess.codemap()
.get_filemap(&src_name)
.unwrap()
.src
.as_ref()
.unwrap()
.as_bytes()
.to_vec();
.get_filemap(&src_name)
.unwrap()
.src
.as_ref()
.unwrap()
.as_bytes()
.to_vec();
(src, src_name)
}

Expand Down Expand Up @@ -795,17 +796,18 @@ pub fn print_after_parsing(sess: &Session,
// Silently ignores an identified node.
let out: &mut Write = &mut out;
s.call_with_pp_support(sess, None, box out, |annotation, out| {
debug!("pretty printing source code {:?}", s);
let sess = annotation.sess();
pprust::print_crate(sess.codemap(),
sess.diagnostic(),
krate,
src_name.to_string(),
&mut rdr,
out,
annotation.pp_ann(),
false)
}).unwrap()
debug!("pretty printing source code {:?}", s);
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Strange indent.

let sess = annotation.sess();
pprust::print_crate(sess.codemap(),
sess.diagnostic(),
krate,
src_name.to_string(),
&mut rdr,
out,
annotation.pp_ann(),
false)
})
.unwrap()
} else {
unreachable!();
};
Expand All @@ -828,8 +830,15 @@ pub fn print_after_hir_lowering<'tcx, 'a: 'tcx>(sess: &'a Session,
let _ignore = dep_graph.in_ignore();

if ppm.needs_analysis() {
print_with_analysis(sess, ast_map, analysis, resolutions,
crate_name, arenas, ppm, opt_uii, ofile);
print_with_analysis(sess,
ast_map,
analysis,
resolutions,
crate_name,
arenas,
ppm,
opt_uii,
ofile);
return;
}

Expand All @@ -839,82 +848,82 @@ pub fn print_after_hir_lowering<'tcx, 'a: 'tcx>(sess: &'a Session,
let mut out = Vec::new();

match (ppm, opt_uii) {
(PpmSource(s), _) => {
// Silently ignores an identified node.
let out: &mut Write = &mut out;
s.call_with_pp_support(sess, Some(ast_map), box out, |annotation, out| {
debug!("pretty printing source code {:?}", s);
let sess = annotation.sess();
pprust::print_crate(sess.codemap(),
sess.diagnostic(),
krate,
src_name.to_string(),
&mut rdr,
out,
annotation.pp_ann(),
true)
})
}
(PpmSource(s), _) => {
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Incorrect indent (looks like a rustfmt bug).

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rust-lang/rustfmt#1197

// Silently ignores an identified node.
let out: &mut Write = &mut out;
s.call_with_pp_support(sess, Some(ast_map), box out, |annotation, out| {
debug!("pretty printing source code {:?}", s);
let sess = annotation.sess();
pprust::print_crate(sess.codemap(),
sess.diagnostic(),
krate,
src_name.to_string(),
&mut rdr,
out,
annotation.pp_ann(),
true)
})
}

(PpmHir(s), None) => {
let out: &mut Write = &mut out;
s.call_with_pp_support_hir(sess,
ast_map,
analysis,
resolutions,
arenas,
crate_name,
box out,
|annotation, out, krate| {
debug!("pretty printing source code {:?}", s);
let sess = annotation.sess();
pprust_hir::print_crate(sess.codemap(),
sess.diagnostic(),
krate,
src_name.to_string(),
&mut rdr,
out,
annotation.pp_ann(),
true)
})
}
(PpmHir(s), None) => {
let out: &mut Write = &mut out;
s.call_with_pp_support_hir(sess,
ast_map,
analysis,
resolutions,
arenas,
crate_name,
box out,
|annotation, out, krate| {
debug!("pretty printing source code {:?}", s);
let sess = annotation.sess();
pprust_hir::print_crate(sess.codemap(),
sess.diagnostic(),
krate,
src_name.to_string(),
&mut rdr,
out,
annotation.pp_ann(),
true)
})
}

(PpmHir(s), Some(uii)) => {
let out: &mut Write = &mut out;
s.call_with_pp_support_hir(sess,
ast_map,
analysis,
resolutions,
arenas,
crate_name,
(out,uii),
|annotation, (out,uii), _| {
debug!("pretty printing source code {:?}", s);
let sess = annotation.sess();
let ast_map = annotation.ast_map().expect("--unpretty missing HIR map");
let mut pp_state =
pprust_hir::State::new_from_input(sess.codemap(),
sess.diagnostic(),
src_name.to_string(),
&mut rdr,
box out,
annotation.pp_ann(),
true,
Some(ast_map.krate()));
for node_id in uii.all_matching_node_ids(ast_map) {
let node = ast_map.get(node_id);
pp_state.print_node(&node)?;
pp::space(&mut pp_state.s)?;
let path = annotation.node_path(node_id)
.expect("--unpretty missing node paths");
pp_state.synth_comment(path)?;
pp::hardbreak(&mut pp_state.s)?;
}
pp::eof(&mut pp_state.s)
})
}
_ => unreachable!(),
}.unwrap();
(PpmHir(s), Some(uii)) => {
let out: &mut Write = &mut out;
s.call_with_pp_support_hir(sess,
ast_map,
analysis,
resolutions,
arenas,
crate_name,
(out, uii),
|annotation, (out, uii), _| {
debug!("pretty printing source code {:?}", s);
let sess = annotation.sess();
let ast_map = annotation.ast_map().expect("--unpretty missing HIR map");
let mut pp_state = pprust_hir::State::new_from_input(sess.codemap(),
sess.diagnostic(),
src_name.to_string(),
&mut rdr,
box out,
annotation.pp_ann(),
true,
Some(ast_map.krate()));
for node_id in uii.all_matching_node_ids(ast_map) {
let node = ast_map.get(node_id);
pp_state.print_node(&node)?;
pp::space(&mut pp_state.s)?;
let path = annotation.node_path(node_id)
.expect("--unpretty missing node paths");
pp_state.synth_comment(path)?;
pp::hardbreak(&mut pp_state.s)?;
}
pp::eof(&mut pp_state.s)
})
}
_ => unreachable!(),
}
.unwrap();

write_output(out, ofile);
}
Expand Down Expand Up @@ -955,27 +964,28 @@ fn print_with_analysis<'tcx, 'a: 'tcx>(sess: &'a Session,
let def_id = tcx.map.local_def_id(nodeid);
match ppm {
PpmMir => write_mir_pretty(tcx, iter::once(def_id), &mut out),
PpmMirCFG => {
write_mir_graphviz(tcx, iter::once(def_id), &mut out)
}
PpmMirCFG => write_mir_graphviz(tcx, iter::once(def_id), &mut out),
_ => unreachable!(),
}?;
} else {
match ppm {
PpmMir => write_mir_pretty(tcx,
tcx.mir_map.borrow().keys().into_iter(),
&mut out),
PpmMirCFG => write_mir_graphviz(tcx,
tcx.mir_map.borrow().keys().into_iter(),
&mut out),
PpmMir => {
write_mir_pretty(tcx, tcx.mir_map.borrow().keys().into_iter(), &mut out)
}
PpmMirCFG => {
write_mir_graphviz(tcx,
tcx.mir_map.borrow().keys().into_iter(),
&mut out)
}
_ => unreachable!(),
}?;
}
Ok(())
}
PpmFlowGraph(mode) => {
let nodeid = nodeid.expect("`pretty flowgraph=..` needs NodeId (int) or \
unique path suffix (b::c::d)");
let nodeid =
nodeid.expect("`pretty flowgraph=..` needs NodeId (int) or unique path \
suffix (b::c::d)");
let node = tcx.map.find(nodeid).unwrap_or_else(|| {
tcx.sess.fatal(&format!("--pretty flowgraph couldn't find id: {}", nodeid))
});
Expand All @@ -990,8 +1000,8 @@ fn print_with_analysis<'tcx, 'a: 'tcx>(sess: &'a Session,
print_flowgraph(variants, tcx, code, mode, out)
}
None => {
let message = format!("--pretty=flowgraph needs block, fn, or method; got \
{:?}",
let message = format!("--pretty=flowgraph needs block, fn, or method; \
got {:?}",
node);

// Point to what was found, if there's an accessible span.
Expand All @@ -1004,7 +1014,9 @@ fn print_with_analysis<'tcx, 'a: 'tcx>(sess: &'a Session,
}
_ => unreachable!(),
}
}), sess).unwrap();
}),
sess)
.unwrap();
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This is very strange/confusing.


write_output(out, ofile);
}
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