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[breaking-change]

`OptLevel` variants are no longer `pub use`ed by rust::session::config. If you are using these variants, you must change your code to prefix the variant name with `OptLevel`.
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nrc committed Jan 15, 2016
1 parent 11dcb48 commit 82f8e5c
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Showing 5 changed files with 69 additions and 68 deletions.
110 changes: 53 additions & 57 deletions src/librustc/session/config.rs
Expand Up @@ -72,13 +72,13 @@ pub enum OutputType {

#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum ErrorOutputType {
Tty(ColorConfig),
HumanReadable(ColorConfig),
Json,
}

impl Default for ErrorOutputType {
fn default() -> ErrorOutputType {
ErrorOutputType::Tty(ColorConfig::Auto)
ErrorOutputType::HumanReadable(ColorConfig::Auto)
}
}

Expand Down Expand Up @@ -135,7 +135,7 @@ pub struct Options {
pub test: bool,
pub parse_only: bool,
pub no_trans: bool,
pub output: ErrorOutputType,
pub error_format: ErrorOutputType,
pub treat_err_as_bug: bool,
pub incremental_compilation: bool,
pub dump_dep_graph: bool,
Expand Down Expand Up @@ -252,12 +252,7 @@ pub fn basic_options() -> Options {
debugging_opts: basic_debugging_options(),
prints: Vec::new(),
cg: basic_codegen_options(),
<<<<<<< HEAD
color: ColorConfig::Auto,
=======
output: ErrorOutputType::default(),
show_span: None,
>>>>>>> Add an --output option for specifying an error emitter
error_format: ErrorOutputType::default(),
externs: HashMap::new(),
crate_name: None,
alt_std_name: None,
Expand Down Expand Up @@ -324,7 +319,7 @@ macro_rules! options {
$struct_name { $($opt: $init),* }
}

pub fn $buildfn(matches: &getopts::Matches, output: ErrorOutputType) -> $struct_name
pub fn $buildfn(matches: &getopts::Matches, error_format: ErrorOutputType) -> $struct_name
{
let mut op = $defaultfn();
for option in matches.opt_strs($prefix) {
Expand All @@ -338,20 +333,20 @@ macro_rules! options {
if !setter(&mut op, value) {
match (value, opt_type_desc) {
(Some(..), None) => {
early_error(output, &format!("{} option `{}` takes no \
value", $outputname, key))
early_error(error_format, &format!("{} option `{}` takes no \
value", $outputname, key))
}
(None, Some(type_desc)) => {
early_error(output, &format!("{0} option `{1}` requires \
{2} ({3} {1}=<value>)",
$outputname, key,
type_desc, $prefix))
early_error(error_format, &format!("{0} option `{1}` requires \
{2} ({3} {1}=<value>)",
$outputname, key,
type_desc, $prefix))
}
(Some(value), Some(type_desc)) => {
early_error(output, &format!("incorrect value `{}` for {} \
option `{}` - {} was expected",
value, $outputname,
key, type_desc))
early_error(error_format, &format!("incorrect value `{}` for {} \
option `{}` - {} was expected",
value, $outputname,
key, type_desc))
}
(None, None) => unreachable!()
}
Expand All @@ -360,8 +355,8 @@ macro_rules! options {
break;
}
if !found {
early_error(output, &format!("unknown {} option: `{}`",
$outputname, key));
early_error(error_format, &format!("unknown {} option: `{}`",
$outputname, key));
}
}
return op;
Expand Down Expand Up @@ -879,7 +874,7 @@ pub fn rustc_optgroups() -> Vec<RustcOptGroup> {
"NAME=PATH"),
opt::opt("", "sysroot", "Override the system root", "PATH"),
opt::multi("Z", "", "Set internal debugging options", "FLAG"),
opt::opt_u("", "output", "How errors and other mesasges are produced", "tty|json"),
opt::opt_u("", "error-format", "How errors and other messages are produced", "human|json"),
opt::opt("", "color", "Configure coloring of output:
auto = colorize, if output goes to a tty (default);
always = always colorize output;
Expand Down Expand Up @@ -929,19 +924,20 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options {
};

// We need the opts_present check because the driver will send us Matches
// with only stable options if no unstable options are used. Since output is
// unstable, it will not be present. We have to use opts_present not
// with only stable options if no unstable options are used. Since error-format
// is unstable, it will not be present. We have to use opts_present not
// opt_present because the latter will panic.
let output = if matches.opts_present(&["output".to_owned()]) {
match matches.opt_str("output").as_ref().map(|s| &s[..]) {
Some("tty") => ErrorOutputType::Tty(color),
let error_format = if matches.opts_present(&["error-format".to_owned()]) {
match matches.opt_str("error-format").as_ref().map(|s| &s[..]) {
Some("human") => ErrorOutputType::HumanReadable(color),
Some("json") => ErrorOutputType::Json,

None => ErrorOutputType::default(),

Some(arg) => {
early_error(ErrorOutputType::default(), &format!("argument for --output must be \
tty or json (instead was `{}`)",
early_error(ErrorOutputType::default(), &format!("argument for --error-format must \
be human or json (instead was \
`{}`)",
arg))
}
}
Expand All @@ -951,7 +947,7 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options {

let unparsed_crate_types = matches.opt_strs("crate-type");
let crate_types = parse_crate_types_from_list(unparsed_crate_types)
.unwrap_or_else(|e| early_error(output, &e[..]));
.unwrap_or_else(|e| early_error(error_format, &e[..]));

let mut lint_opts = vec!();
let mut describe_lints = false;
Expand All @@ -968,11 +964,11 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options {

let lint_cap = matches.opt_str("cap-lints").map(|cap| {
lint::Level::from_str(&cap).unwrap_or_else(|| {
early_error(output, &format!("unknown lint level: `{}`", cap))
early_error(error_format, &format!("unknown lint level: `{}`", cap))
})
});

let debugging_opts = build_debugging_options(matches, output);
let debugging_opts = build_debugging_options(matches, error_format);

let parse_only = debugging_opts.parse_only;
let no_trans = debugging_opts.no_trans;
Expand All @@ -998,7 +994,7 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options {
"link" => OutputType::Exe,
"dep-info" => OutputType::DepInfo,
part => {
early_error(output, &format!("unknown emission type: `{}`",
early_error(error_format, &format!("unknown emission type: `{}`",
part))
}
};
Expand All @@ -1011,7 +1007,7 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options {
output_types.insert(OutputType::Exe, None);
}

let mut cg = build_codegen_options(matches, output);
let mut cg = build_codegen_options(matches, error_format);

// Issue #30063: if user requests llvm-related output to one
// particular path, disable codegen-units.
Expand All @@ -1023,11 +1019,11 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options {
}).collect();
if !incompatible.is_empty() {
for ot in &incompatible {
early_warn(output, &format!("--emit={} with -o incompatible with \
-C codegen-units=N for N > 1",
ot.shorthand()));
early_warn(error_format, &format!("--emit={} with -o incompatible with \
-C codegen-units=N for N > 1",
ot.shorthand()));
}
early_warn(output, "resetting to default -C codegen-units=1");
early_warn(error_format, "resetting to default -C codegen-units=1");
cg.codegen_units = 1;
}
}
Expand All @@ -1040,7 +1036,7 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options {
let opt_level = {
if matches.opt_present("O") {
if cg.opt_level.is_some() {
early_error(output, "-O and -C opt-level both provided");
early_error(error_format, "-O and -C opt-level both provided");
}
OptLevel::Default
} else {
Expand All @@ -1051,9 +1047,9 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options {
Some(2) => OptLevel::Default,
Some(3) => OptLevel::Aggressive,
Some(arg) => {
early_error(output, &format!("optimization level needs to be \
between 0-3 (instead was `{}`)",
arg));
early_error(error_format, &format!("optimization level needs to be \
between 0-3 (instead was `{}`)",
arg));
}
}
}
Expand All @@ -1062,7 +1058,7 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options {
let gc = debugging_opts.gc;
let debuginfo = if matches.opt_present("g") {
if cg.debuginfo.is_some() {
early_error(output, "-g and -C debuginfo both provided");
early_error(error_format, "-g and -C debuginfo both provided");
}
FullDebugInfo
} else {
Expand All @@ -1071,16 +1067,16 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options {
Some(1) => LimitedDebugInfo,
Some(2) => FullDebugInfo,
Some(arg) => {
early_error(output, &format!("debug info level needs to be between \
0-2 (instead was `{}`)",
arg));
early_error(error_format, &format!("debug info level needs to be between \
0-2 (instead was `{}`)",
arg));
}
}
};

let mut search_paths = SearchPaths::new();
for s in &matches.opt_strs("L") {
search_paths.add_path(&s[..], output);
search_paths.add_path(&s[..], error_format);
}

let libs = matches.opt_strs("l").into_iter().map(|s| {
Expand All @@ -1092,9 +1088,9 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options {
(Some(name), "framework") => (name, cstore::NativeFramework),
(Some(name), "static") => (name, cstore::NativeStatic),
(_, s) => {
early_error(output, &format!("unknown library kind `{}`, expected \
one of dylib, framework, or static",
s));
early_error(error_format, &format!("unknown library kind `{}`, expected \
one of dylib, framework, or static",
s));
}
};
(name.to_string(), kind)
Expand All @@ -1109,26 +1105,26 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options {
"file-names" => PrintRequest::FileNames,
"sysroot" => PrintRequest::Sysroot,
req => {
early_error(output, &format!("unknown print request `{}`", req))
early_error(error_format, &format!("unknown print request `{}`", req))
}
}
}).collect::<Vec<_>>();

if !cg.remark.is_empty() && debuginfo == NoDebugInfo {
early_warn(output, "-C remark will not show source locations without \
--debuginfo");
early_warn(error_format, "-C remark will not show source locations without \
--debuginfo");
}

let mut externs = HashMap::new();
for arg in &matches.opt_strs("extern") {
let mut parts = arg.splitn(2, '=');
let name = match parts.next() {
Some(s) => s,
None => early_error(output, "--extern value must not be empty"),
None => early_error(error_format, "--extern value must not be empty"),
};
let location = match parts.next() {
Some(s) => s,
None => early_error(output, "--extern value must be of the format `foo=bar`"),
None => early_error(error_format, "--extern value must be of the format `foo=bar`"),
};

externs.entry(name.to_string()).or_insert(vec![]).push(location.to_string());
Expand Down Expand Up @@ -1159,7 +1155,7 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options {
debugging_opts: debugging_opts,
prints: prints,
cg: cg,
output: output,
error_format: error_format,
externs: externs,
crate_name: crate_name,
alt_std_name: None,
Expand Down
12 changes: 8 additions & 4 deletions src/librustc/session/mod.rs
Expand Up @@ -406,8 +406,8 @@ pub fn build_session(sopts: config::Options,
let treat_err_as_bug = sopts.treat_err_as_bug;

let codemap = Rc::new(codemap::CodeMap::new());
let emitter: Box<Emitter> = match sopts.output {
config::ErrorOutputType::Tty(color_config) => {
let emitter: Box<Emitter> = match sopts.error_format {
config::ErrorOutputType::HumanReadable(color_config) => {
Box::new(EmitterWriter::stderr(color_config, Some(registry), codemap.clone()))
}
config::ErrorOutputType::Json => {
Expand Down Expand Up @@ -483,7 +483,9 @@ pub fn build_session_(sopts: config::Options,

pub fn early_error(output: config::ErrorOutputType, msg: &str) -> ! {
let mut emitter: Box<Emitter> = match output {
config::ErrorOutputType::Tty(color_config) => Box::new(BasicEmitter::stderr(color_config)),
config::ErrorOutputType::HumanReadable(color_config) => {
Box::new(BasicEmitter::stderr(color_config))
}
config::ErrorOutputType::Json => Box::new(JsonEmitter::basic()),
};
emitter.emit(None, msg, None, errors::Level::Fatal);
Expand All @@ -492,7 +494,9 @@ pub fn early_error(output: config::ErrorOutputType, msg: &str) -> ! {

pub fn early_warn(output: config::ErrorOutputType, msg: &str) {
let mut emitter: Box<Emitter> = match output {
config::ErrorOutputType::Tty(color_config) => Box::new(BasicEmitter::stderr(color_config)),
config::ErrorOutputType::HumanReadable(color_config) => {
Box::new(BasicEmitter::stderr(color_config))
}
config::ErrorOutputType::Json => Box::new(JsonEmitter::basic()),
};
emitter.emit(None, msg, None, errors::Level::Warning);
Expand Down
6 changes: 3 additions & 3 deletions src/librustc_driver/lib.rs
Expand Up @@ -127,7 +127,7 @@ pub fn run_compiler<'a>(args: &[String], callbacks: &mut CompilerCalls<'a>) {

let descriptions = diagnostics_registry();

do_or_return!(callbacks.early_callback(&matches, &descriptions, sopts.output));
do_or_return!(callbacks.early_callback(&matches, &descriptions, sopts.error_format));

let (odir, ofile) = make_output(&matches);
let (input, input_file_path) = match make_input(&matches.free) {
Expand Down Expand Up @@ -340,10 +340,10 @@ impl<'a> CompilerCalls<'a> for RustcDefaultCalls {
if should_stop == Compilation::Stop {
return None;
}
early_error(sopts.output, "no input filename given");
early_error(sopts.error_format, "no input filename given");
}
1 => panic!("make_input should have provided valid inputs"),
_ => early_error(sopts.output, "multiple input filenames provided"),
_ => early_error(sopts.error_format, "multiple input filenames provided"),
}

None
Expand Down
5 changes: 3 additions & 2 deletions src/test/run-make/json-errors/Makefile
Expand Up @@ -3,5 +3,6 @@
all:
cp foo.rs $(TMPDIR)
cd $(TMPDIR)
$(RUSTC) -Z unstable-options --output=json foo.rs 2>foo.log || true
grep -q '{"message":"unresolved name `y`","code":{"code":"E0425","explanation":"\\nAn unresolved name was used. Example of erroneous codes.*"},"level":"error","span":{"file_name":"foo.rs","byte_start":523,"byte_end":524,"line_start":14,"line_end":14,"column_start":18,"column_end":19},"children":\[\]}' foo.log
-$(RUSTC) -Z unstable-options --error-format=json foo.rs 2>foo.log
grep -q '{"message":"unresolved name `y`","code":{"code":"E0425","explanation":"\\nAn unresolved name was used. Example of erroneous codes.*"},"level":"error","span":{"file_name":"foo.rs","byte_start":496,"byte_end":497,"line_start":12,"line_end":12,"column_start":18,"column_end":19},"children":\[\]}' foo.log
grep -q '{"message":".*","code":{"code":"E0277","explanation":"\\nYou tried.*"},"level":"error","span":{.*},"children":\[{"message":"the .*","code":null,"level":"help","span":{"file_name":"foo.rs","byte_start":504,"byte_end":516,"line_start":14,"line_end":14,"column_start":0,"column_end":0},"children":\[\]},{"message":" <u8 as core::ops::Add>","code":null,"level":"help",' foo.log
4 changes: 2 additions & 2 deletions src/test/run-make/json-errors/foo.rs
Expand Up @@ -8,8 +8,8 @@
// option. This file may not be copied, modified, or distributed
// except according to those terms.

// ignore-tidy-linelength

fn main() {
let x = 42 + y;

42u8 + 42i32;
}

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