Implement --unpretty mir

This commit is contained in:
Jonas Schievink 2016-02-14 19:23:05 +01:00
parent f3619ce026
commit 67aa7b2389

View file

@ -30,6 +30,8 @@ use rustc_borrowck::graphviz as borrowck_dot;
use rustc_resolve as resolve;
use rustc_metadata::cstore::CStore;
use rustc_mir::pretty::write_mir_pretty;
use syntax::ast::{self, BlockCheckMode};
use syntax::codemap;
use syntax::fold::{self, Folder};
@ -77,6 +79,7 @@ pub enum PpMode {
PpmSource(PpSourceMode),
PpmHir(PpSourceMode),
PpmFlowGraph(PpFlowGraphMode),
PpmMir,
}
pub fn parse_pretty(sess: &Session,
@ -96,6 +99,7 @@ pub fn parse_pretty(sess: &Session,
("hir", true) => PpmHir(PpmNormal),
("hir,identified", true) => PpmHir(PpmIdentified),
("hir,typed", true) => PpmHir(PpmTyped),
("mir", true) => PpmMir,
("flowgraph", true) => PpmFlowGraph(PpFlowGraphMode::Default),
("flowgraph,unlabelled", true) => PpmFlowGraph(PpFlowGraphMode::UnlabelledEdges),
_ => {
@ -103,7 +107,7 @@ pub fn parse_pretty(sess: &Session,
sess.fatal(&format!("argument to `unpretty` must be one of `normal`, \
`expanded`, `flowgraph[,unlabelled]=<nodeid>`, \
`identified`, `expanded,identified`, `everybody_loops`, \
`hir`, `hir,identified`, or `hir,typed`; got {}",
`hir`, `hir,identified`, `hir,typed`, or `mir`; got {}",
name));
} else {
sess.fatal(&format!("argument to `pretty` must be one of `normal`, `expanded`, \
@ -569,6 +573,7 @@ fn needs_ast_map(ppm: &PpMode, opt_uii: &Option<UserIdentifiedItem>) -> bool {
PpmSource(PpmExpandedIdentified) |
PpmSource(PpmExpandedHygiene) |
PpmHir(_) |
PpmMir |
PpmFlowGraph(_) => true,
PpmSource(PpmTyped) => panic!("invalid state"),
}
@ -584,6 +589,7 @@ fn needs_expansion(ppm: &PpMode) -> bool {
PpmSource(PpmExpandedIdentified) |
PpmSource(PpmExpandedHygiene) |
PpmHir(_) |
PpmMir |
PpmFlowGraph(_) => true,
PpmSource(PpmTyped) => panic!("invalid state"),
}
@ -801,6 +807,48 @@ pub fn pretty_print_input(sess: Session,
})
}
(PpmMir, None) => {
debug!("pretty printing MIR for whole crate");
let ast_map = ast_map.expect("--unpretty mir missing ast_map");
abort_on_err(driver::phase_3_run_analysis_passes(&sess,
&cstore,
ast_map,
&arenas,
&id,
resolve::MakeGlobMap::No,
|tcx, mir_map, _, _| {
let mir_map = mir_map.unwrap();
for (nodeid, mir) in &mir_map.map {
try!(writeln!(out, "MIR for {}", tcx.map.node_to_string(*nodeid)));
try!(write_mir_pretty(mir, &mut out));
}
Ok(())
}), &sess)
}
(PpmMir, Some(uii)) => {
debug!("pretty printing MIR for {:?}", uii);
let ast_map = ast_map.expect("--unpretty mir missing ast_map");
let nodeid = uii.to_one_node_id("--unpretty", &sess, &ast_map);
abort_on_err(driver::phase_3_run_analysis_passes(&sess,
&cstore,
ast_map,
&arenas,
&id,
resolve::MakeGlobMap::No,
|tcx, mir_map, _, _| {
let mir_map = mir_map.unwrap();
try!(writeln!(out, "MIR for {}", tcx.map.node_to_string(nodeid)));
let mir = mir_map.map.get(&nodeid).unwrap_or_else(|| {
sess.fatal(&format!("no MIR map entry for node {}", nodeid))
});
write_mir_pretty(mir, &mut out)
}), &sess)
}
(PpmFlowGraph(mode), opt_uii) => {
debug!("pretty printing flow graph for {:?}", opt_uii);
let uii = opt_uii.unwrap_or_else(|| {