1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 //! Contains infrastructure for configuring the compiler, including parsing
12 //! command line options.
14 use driver::{early_error, early_warn};
16 use driver::session::Session;
20 use back::target_strs;
21 use back::{arm, x86, x86_64, mips, mipsel};
26 use syntax::ast::{IntTy, UintTy};
28 use syntax::attr::AttrMetaMethods;
29 use syntax::diagnostic::{ColorConfig, Auto, Always, Never};
31 use syntax::parse::token::InternedString;
33 use std::collections::{HashSet, HashMap};
34 use getopts::{optopt, optmulti, optflag, optflagopt};
36 use std::cell::{RefCell};
43 pub arch: abi::Architecture,
44 pub target_strs: target_strs::t,
46 pub uint_type: UintTy,
49 #[deriving(Clone, PartialEq)]
57 #[deriving(Clone, PartialEq)]
58 pub enum DebugInfoLevel {
66 // The crate config requested for the session, which may be combined
67 // with additional crate configurations during the compile process
68 pub crate_types: Vec<CrateType>,
71 pub optimize: OptLevel,
72 pub debuginfo: DebugInfoLevel,
73 pub lint_opts: Vec<(String, lint::Level)>,
74 pub describe_lints: bool,
75 pub output_types: Vec<back::link::OutputType> ,
76 // This was mutable for rustpkg, which updates search paths based on the
77 // parsed code. It remains mutable in case its replacements wants to use
79 pub addl_lib_search_paths: RefCell<HashSet<Path>>,
80 pub maybe_sysroot: Option<Path>,
81 pub target_triple: String,
82 // User-specified cfg meta items. The compiler itself will add additional
83 // items to the crate config, and during parsing the entire crate config
84 // will be added to the crate AST node. This should not be used for
85 // anything except building the full crate config prior to parsing.
86 pub cfg: ast::CrateConfig,
90 pub no_analysis: bool,
91 pub debugging_opts: u64,
92 /// Whether to write dependency files. It's (enabled, optional filename).
93 pub write_dependency_info: (bool, Option<Path>),
94 /// Crate id-related things to maybe print. It's (crate_name, crate_file_name).
95 pub print_metas: (bool, bool),
96 pub cg: CodegenOptions,
97 pub color: ColorConfig,
98 pub externs: HashMap<String, Vec<String>>,
99 pub crate_name: Option<String>,
102 /// Some reasonable defaults
103 pub fn basic_options() -> Options {
105 crate_types: Vec::new(),
108 debuginfo: NoDebugInfo,
109 lint_opts: Vec::new(),
110 describe_lints: false,
111 output_types: Vec::new(),
112 addl_lib_search_paths: RefCell::new(HashSet::new()),
114 target_triple: driver::host_triple().to_string(),
121 write_dependency_info: (false, None),
122 print_metas: (false, false),
123 cg: basic_codegen_options(),
125 externs: HashMap::new(),
130 // The type of entry function, so
131 // users can have their own entry
132 // functions that don't start a
134 #[deriving(PartialEq)]
135 pub enum EntryFnType {
141 #[deriving(PartialEq, PartialOrd, Clone, Ord, Eq, Hash)]
149 macro_rules! debugging_opts(
150 ([ $opt:ident ] $cnt:expr ) => (
151 pub static $opt: u64 = 1 << $cnt;
153 ([ $opt:ident, $($rest:ident),* ] $cnt:expr ) => (
154 pub static $opt: u64 = 1 << $cnt;
155 debugging_opts!([ $($rest),* ] $cnt + 1)
183 FLOWGRAPH_PRINT_LOANS,
184 FLOWGRAPH_PRINT_MOVES,
185 FLOWGRAPH_PRINT_ASSIGNS,
191 pub fn debugging_opts_map() -> Vec<(&'static str, &'static str, u64)> {
192 vec!(("verbose", "in general, enable more debug printouts", VERBOSE),
193 ("time-passes", "measure time of each rustc pass", TIME_PASSES),
194 ("count-llvm-insns", "count where LLVM \
195 instrs originate", COUNT_LLVM_INSNS),
196 ("time-llvm-passes", "measure time of each LLVM pass",
198 ("trans-stats", "gather trans statistics", TRANS_STATS),
199 ("asm-comments", "generate comments into the assembly (may change behavior)",
201 ("no-verify", "skip LLVM verification", NO_VERIFY),
202 ("borrowck-stats", "gather borrowck statistics", BORROWCK_STATS),
203 ("no-landing-pads", "omit landing pads for unwinding",
205 ("debug-llvm", "enable debug output from LLVM", DEBUG_LLVM),
206 ("show-span", "show spans for compiler debugging", SHOW_SPAN),
207 ("count-type-sizes", "count the sizes of aggregate types",
209 ("meta-stats", "gather metadata statistics", META_STATS),
210 ("no-opt", "do not optimize, even if -O is passed", NO_OPT),
211 ("print-link-args", "Print the arguments passed to the linker",
213 ("gc", "Garbage collect shared data (experimental)", GC),
214 ("print-llvm-passes",
215 "Prints the llvm optimization passes being run",
217 ("lto", "Perform LLVM link-time optimizations", LTO),
218 ("ast-json", "Print the AST as JSON and halt", AST_JSON),
219 ("ast-json-noexpand", "Print the pre-expansion AST as JSON and halt", AST_JSON_NOEXPAND),
220 ("ls", "List the symbols defined by a library crate", LS),
221 ("save-analysis", "Write syntax and type analysis information \
222 in addition to normal output", SAVE_ANALYSIS),
223 ("flowgraph-print-loans", "Include loan analysis data in \
224 --pretty flowgraph output", FLOWGRAPH_PRINT_LOANS),
225 ("flowgraph-print-moves", "Include move analysis data in \
226 --pretty flowgraph output", FLOWGRAPH_PRINT_MOVES),
227 ("flowgraph-print-assigns", "Include assignment analysis data in \
228 --pretty flowgraph output", FLOWGRAPH_PRINT_ASSIGNS),
229 ("flowgraph-print-all", "Include all dataflow analysis data in \
230 --pretty flowgraph output", FLOWGRAPH_PRINT_ALL))
233 /// Declare a macro that will define all CodegenOptions fields and parsers all
234 /// at once. The goal of this macro is to define an interface that can be
235 /// programmatically used by the option parser in order to initialize the struct
236 /// without hardcoding field names all over the place.
238 /// The goal is to invoke this macro once with the correct fields, and then this
239 /// macro generates all necessary code. The main gotcha of this macro is the
240 /// cgsetters module which is a bunch of generated code to parse an option into
241 /// its respective field in the struct. There are a few hand-written parsers for
242 /// parsing specific types of values in this module.
243 macro_rules! cgoptions(
244 ($($opt:ident : $t:ty = ($init:expr, $parse:ident, $desc:expr)),* ,) =>
247 pub struct CodegenOptions { $(pub $opt: $t),* }
249 pub fn basic_codegen_options() -> CodegenOptions {
250 CodegenOptions { $($opt: $init),* }
253 pub type CodegenSetter = fn(&mut CodegenOptions, v: Option<&str>) -> bool;
254 pub static CG_OPTIONS: &'static [(&'static str, CodegenSetter,
256 &[ $( (stringify!($opt), cgsetters::$opt, $desc) ),* ];
259 use super::CodegenOptions;
262 pub fn $opt(cg: &mut CodegenOptions, v: Option<&str>) -> bool {
263 $parse(&mut cg.$opt, v)
267 fn parse_bool(slot: &mut bool, v: Option<&str>) -> bool {
270 None => { *slot = true; true }
274 fn parse_opt_string(slot: &mut Option<String>, v: Option<&str>) -> bool {
276 Some(s) => { *slot = Some(s.to_string()); true },
281 fn parse_string(slot: &mut String, v: Option<&str>) -> bool {
283 Some(s) => { *slot = s.to_string(); true },
288 fn parse_list(slot: &mut Vec<String>, v: Option<&str>)
293 slot.push(s.to_string());
305 ar: Option<String> = (None, parse_opt_string,
306 "tool to assemble archives with"),
307 linker: Option<String> = (None, parse_opt_string,
308 "system linker to link outputs with"),
309 link_args: Vec<String> = (Vec::new(), parse_list,
310 "extra arguments to pass to the linker (space separated)"),
311 target_cpu: String = ("generic".to_string(), parse_string,
312 "select target processor (llc -mcpu=help for details)"),
313 target_feature: String = ("".to_string(), parse_string,
314 "target specific attributes (llc -mattr=help for details)"),
315 passes: Vec<String> = (Vec::new(), parse_list,
316 "a list of extra LLVM passes to run (space separated)"),
317 llvm_args: Vec<String> = (Vec::new(), parse_list,
318 "a list of arguments to pass to llvm (space separated)"),
319 save_temps: bool = (false, parse_bool,
320 "save all temporary output files during compilation"),
321 rpath: bool = (false, parse_bool,
322 "set rpath values in libs/exes"),
323 no_prepopulate_passes: bool = (false, parse_bool,
324 "don't pre-populate the pass manager with a list of passes"),
325 no_vectorize_loops: bool = (false, parse_bool,
326 "don't run the loop vectorization optimization passes"),
327 no_vectorize_slp: bool = (false, parse_bool,
328 "don't run LLVM's SLP vectorization pass"),
329 soft_float: bool = (false, parse_bool,
330 "generate software floating point library calls"),
331 prefer_dynamic: bool = (false, parse_bool,
332 "prefer dynamic linking to static linking"),
333 no_integrated_as: bool = (false, parse_bool,
334 "use an external assembler rather than LLVM's integrated one"),
335 no_redzone: bool = (false, parse_bool,
336 "disable the use of the redzone"),
337 relocation_model: String = ("pic".to_string(), parse_string,
338 "choose the relocation model to use (llc -relocation-model for details)"),
339 metadata: Vec<String> = (Vec::new(), parse_list,
340 "metadata to mangle symbol names with"),
341 extra_filename: String = ("".to_string(), parse_string,
342 "extra data to put in each output filename"),
345 pub fn build_codegen_options(matches: &getopts::Matches) -> CodegenOptions
347 let mut cg = basic_codegen_options();
348 for option in matches.opt_strs("C").move_iter() {
349 let mut iter = option.as_slice().splitn('=', 1);
350 let key = iter.next().unwrap();
351 let value = iter.next();
352 let option_to_lookup = key.replace("-", "_");
353 let mut found = false;
354 for &(candidate, setter, _) in CG_OPTIONS.iter() {
355 if option_to_lookup.as_slice() != candidate { continue }
356 if !setter(&mut cg, value) {
359 early_error(format!("codegen option `{}` takes no \
360 value", key).as_slice())
363 early_error(format!("codegen option `{0}` requires \
364 a value (-C {0}=<value>)",
373 early_error(format!("unknown codegen option: `{}`",
380 pub fn default_lib_output() -> CrateType {
384 pub fn default_configuration(sess: &Session) -> ast::CrateConfig {
385 let tos = match sess.targ_cfg.os {
386 abi::OsWin32 => InternedString::new("win32"),
387 abi::OsMacos => InternedString::new("macos"),
388 abi::OsLinux => InternedString::new("linux"),
389 abi::OsAndroid => InternedString::new("android"),
390 abi::OsFreebsd => InternedString::new("freebsd"),
391 abi::OsiOS => InternedString::new("ios"),
394 // ARM is bi-endian, however using NDK seems to default
395 // to little-endian unless a flag is provided.
396 let (end,arch,wordsz) = match sess.targ_cfg.arch {
397 abi::X86 => ("little", "x86", "32"),
398 abi::X86_64 => ("little", "x86_64", "64"),
399 abi::Arm => ("little", "arm", "32"),
400 abi::Mips => ("big", "mips", "32"),
401 abi::Mipsel => ("little", "mipsel", "32")
404 let fam = match sess.targ_cfg.os {
405 abi::OsWin32 => InternedString::new("windows"),
406 _ => InternedString::new("unix")
409 let mk = attr::mk_name_value_item_str;
410 return vec!(// Target bindings.
411 attr::mk_word_item(fam.clone()),
412 mk(InternedString::new("target_os"), tos),
413 mk(InternedString::new("target_family"), fam),
414 mk(InternedString::new("target_arch"), InternedString::new(arch)),
415 mk(InternedString::new("target_endian"), InternedString::new(end)),
416 mk(InternedString::new("target_word_size"),
417 InternedString::new(wordsz))
421 pub fn append_configuration(cfg: &mut ast::CrateConfig,
422 name: InternedString) {
423 if !cfg.iter().any(|mi| mi.name() == name) {
424 cfg.push(attr::mk_word_item(name))
428 pub fn build_configuration(sess: &Session) -> ast::CrateConfig {
429 // Combine the configuration requested by the session (command line) with
430 // some default and generated configuration items
431 let default_cfg = default_configuration(sess);
432 let mut user_cfg = sess.opts.cfg.clone();
433 // If the user wants a test runner, then add the test cfg
435 append_configuration(&mut user_cfg, InternedString::new("test"))
437 // If the user requested GC, then add the GC cfg
438 append_configuration(&mut user_cfg, if sess.opts.gc {
439 InternedString::new("gc")
441 InternedString::new("nogc")
443 user_cfg.move_iter().collect::<Vec<_>>().append(default_cfg.as_slice())
446 pub fn get_os(triple: &str) -> Option<abi::Os> {
447 for &(name, os) in os_names.iter() {
448 if triple.contains(name) { return Some(os) }
452 static os_names : &'static [(&'static str, abi::Os)] = &[
453 ("mingw32", abi::OsWin32),
454 ("win32", abi::OsWin32),
455 ("darwin", abi::OsMacos),
456 ("android", abi::OsAndroid),
457 ("linux", abi::OsLinux),
458 ("freebsd", abi::OsFreebsd),
459 ("ios", abi::OsiOS)];
461 pub fn get_arch(triple: &str) -> Option<abi::Architecture> {
462 for &(arch, abi) in architecture_abis.iter() {
463 if triple.contains(arch) { return Some(abi) }
467 static architecture_abis : &'static [(&'static str, abi::Architecture)] = &[
474 ("x86_64", abi::X86_64),
477 ("xscale", abi::Arm),
480 ("mipsel", abi::Mipsel),
481 ("mips", abi::Mips)];
483 pub fn build_target_config(sopts: &Options) -> Config {
484 let os = match get_os(sopts.target_triple.as_slice()) {
486 None => early_error("unknown operating system")
488 let arch = match get_arch(sopts.target_triple.as_slice()) {
491 early_error(format!("unknown architecture: {}",
492 sopts.target_triple.as_slice()).as_slice())
495 let (int_type, uint_type) = match arch {
496 abi::X86 => (ast::TyI32, ast::TyU32),
497 abi::X86_64 => (ast::TyI64, ast::TyU64),
498 abi::Arm => (ast::TyI32, ast::TyU32),
499 abi::Mips => (ast::TyI32, ast::TyU32),
500 abi::Mipsel => (ast::TyI32, ast::TyU32)
502 let target_triple = sopts.target_triple.clone();
503 let target_strs = match arch {
504 abi::X86 => x86::get_target_strs(target_triple, os),
505 abi::X86_64 => x86_64::get_target_strs(target_triple, os),
506 abi::Arm => arm::get_target_strs(target_triple, os),
507 abi::Mips => mips::get_target_strs(target_triple, os),
508 abi::Mipsel => mipsel::get_target_strs(target_triple, os)
513 target_strs: target_strs,
515 uint_type: uint_type,
519 // rustc command line options
520 pub fn optgroups() -> Vec<getopts::OptGroup> {
522 optflag("h", "help", "Display this message"),
523 optmulti("", "cfg", "Configure the compilation environment", "SPEC"),
524 optmulti("L", "", "Add a directory to the library search path", "PATH"),
525 optmulti("", "crate-type", "Comma separated list of types of crates
526 for the compiler to emit",
527 "[bin|lib|rlib|dylib|staticlib]"),
528 optmulti("", "emit", "Comma separated list of types of output for the compiler to emit",
529 "[asm|bc|ir|obj|link]"),
530 optopt("", "crate-name", "Specify the name of the crate being built",
532 optflag("", "print-crate-name", "Output the crate name and exit"),
533 optflag("", "print-file-name", "Output the file(s) that would be written if compilation \
534 continued and exit"),
535 optflag("", "crate-file-name", "deprecated in favor of --print-file-name"),
536 optflag("g", "", "Equivalent to --debuginfo=2"),
537 optopt("", "debuginfo", "Emit DWARF debug info to the objects created:
539 1 = line-tables only (for stacktraces and breakpoints),
540 2 = full debug info with variable and type information (same as -g)", "LEVEL"),
541 optflag("", "no-trans", "Run all passes except translation; no output"),
542 optflag("", "no-analysis",
543 "Parse and expand the source, but run no analysis and produce no output"),
544 optflag("O", "", "Equivalent to --opt-level=2"),
545 optopt("o", "", "Write output to <filename>", "FILENAME"),
546 optopt("", "opt-level", "Optimize with possible levels 0-3", "LEVEL"),
547 optopt( "", "out-dir", "Write output to compiler-chosen filename in <dir>", "DIR"),
548 optflag("", "parse-only", "Parse only; do not compile, assemble, or link"),
549 optopt("", "explain", "Provide a detailed explanation of an error message", "OPT"),
550 optflagopt("", "pretty",
551 "Pretty-print the input instead of compiling;
552 valid types are: `normal` (un-annotated source),
553 `expanded` (crates expanded),
554 `typed` (crates expanded, with type annotations),
555 `expanded,identified` (fully parenthesized, AST nodes with IDs), or
556 `flowgraph=<nodeid>` (graphviz formatted flowgraph for node)",
558 optflagopt("", "dep-info",
559 "Output dependency info to <filename> after compiling, \
560 in a format suitable for use by Makefiles", "FILENAME"),
561 optopt("", "sysroot", "Override the system root", "PATH"),
562 optflag("", "test", "Build a test harness"),
563 optopt("", "target", "Target triple cpu-manufacturer-kernel[-os]
564 to compile for (see chapter 3.4 of http://www.sourceware.org/autobook/
565 for details)", "TRIPLE"),
566 optmulti("W", "warn", "Set lint warnings", "OPT"),
567 optmulti("A", "allow", "Set lint allowed", "OPT"),
568 optmulti("D", "deny", "Set lint denied", "OPT"),
569 optmulti("F", "forbid", "Set lint forbidden", "OPT"),
570 optmulti("C", "codegen", "Set a codegen option", "OPT[=VALUE]"),
571 optmulti("Z", "", "Set internal debugging options", "FLAG"),
572 optflagopt("v", "version", "Print version info and exit", "verbose"),
573 optopt("", "color", "Configure coloring of output:
574 auto = colorize, if output goes to a tty (default);
575 always = always colorize output;
576 never = never colorize output", "auto|always|never"),
577 optmulti("", "extern", "Specify where an external rust library is located",
583 // Convert strings provided as --cfg [cfgspec] into a crate_cfg
584 fn parse_cfgspecs(cfgspecs: Vec<String> ) -> ast::CrateConfig {
585 cfgspecs.move_iter().map(|s| {
586 parse::parse_meta_from_source_str("cfgspec".to_string(),
589 &parse::new_parse_sess())
590 }).collect::<ast::CrateConfig>()
593 pub fn build_session_options(matches: &getopts::Matches) -> Options {
594 let mut crate_types: Vec<CrateType> = Vec::new();
595 let unparsed_crate_types = matches.opt_strs("crate-type");
596 for unparsed_crate_type in unparsed_crate_types.iter() {
597 for part in unparsed_crate_type.as_slice().split(',') {
598 let new_part = match part {
599 "lib" => default_lib_output(),
600 "rlib" => CrateTypeRlib,
601 "staticlib" => CrateTypeStaticlib,
602 "dylib" => CrateTypeDylib,
603 "bin" => CrateTypeExecutable,
605 early_error(format!("unknown crate type: `{}`",
609 crate_types.push(new_part)
613 let parse_only = matches.opt_present("parse-only");
614 let no_trans = matches.opt_present("no-trans");
615 let no_analysis = matches.opt_present("no-analysis");
617 let mut lint_opts = vec!();
618 let mut describe_lints = false;
620 for &level in [lint::Allow, lint::Warn, lint::Deny, lint::Forbid].iter() {
621 for lint_name in matches.opt_strs(level.as_str()).move_iter() {
622 if lint_name.as_slice() == "help" {
623 describe_lints = true;
625 lint_opts.push((lint_name.replace("-", "_").into_string(), level));
630 let mut debugging_opts = 0;
631 let debug_flags = matches.opt_strs("Z");
632 let debug_map = debugging_opts_map();
633 for debug_flag in debug_flags.iter() {
634 let mut this_bit = 0;
635 for tuple in debug_map.iter() {
636 let (name, bit) = match *tuple { (ref a, _, b) => (a, b) };
637 if *name == debug_flag.as_slice() {
643 early_error(format!("unknown debug flag: {}",
644 *debug_flag).as_slice())
646 debugging_opts |= this_bit;
649 if debugging_opts & DEBUG_LLVM != 0 {
650 unsafe { llvm::LLVMSetDebug(1); }
653 let mut output_types = Vec::new();
654 if !parse_only && !no_trans {
655 let unparsed_output_types = matches.opt_strs("emit");
656 for unparsed_output_type in unparsed_output_types.iter() {
657 for part in unparsed_output_type.as_slice().split(',') {
658 let output_type = match part.as_slice() {
659 "asm" => link::OutputTypeAssembly,
660 "ir" => link::OutputTypeLlvmAssembly,
661 "bc" => link::OutputTypeBitcode,
662 "obj" => link::OutputTypeObject,
663 "link" => link::OutputTypeExe,
665 early_error(format!("unknown emission type: `{}`",
669 output_types.push(output_type)
673 output_types.as_mut_slice().sort();
674 output_types.dedup();
675 if output_types.len() == 0 {
676 output_types.push(link::OutputTypeExe);
679 let sysroot_opt = matches.opt_str("sysroot").map(|m| Path::new(m));
680 let target = matches.opt_str("target").unwrap_or(
681 driver::host_triple().to_string());
683 if (debugging_opts & NO_OPT) != 0 {
685 } else if matches.opt_present("O") {
686 if matches.opt_present("opt-level") {
687 early_error("-O and --opt-level both provided");
690 } else if matches.opt_present("opt-level") {
691 match matches.opt_str("opt-level").as_ref().map(|s| s.as_slice()) {
695 Some("2") => Default,
696 Some("3") => Aggressive,
698 early_error(format!("optimization level needs to be \
699 between 0-3 (instead was `{}`)",
707 let gc = debugging_opts & GC != 0;
708 let debuginfo = if matches.opt_present("g") {
709 if matches.opt_present("debuginfo") {
710 early_error("-g and --debuginfo both provided");
713 } else if matches.opt_present("debuginfo") {
714 match matches.opt_str("debuginfo").as_ref().map(|s| s.as_slice()) {
715 Some("0") => NoDebugInfo,
716 Some("1") => LimitedDebugInfo,
718 Some("2") => FullDebugInfo,
720 early_error(format!("optimization level needs to be between \
721 0-3 (instead was `{}`)",
729 let addl_lib_search_paths = matches.opt_strs("L").iter().map(|s| {
730 Path::new(s.as_slice())
733 let cfg = parse_cfgspecs(matches.opt_strs("cfg"));
734 let test = matches.opt_present("test");
735 let write_dependency_info = (matches.opt_present("dep-info"),
736 matches.opt_str("dep-info")
737 .map(|p| Path::new(p)));
739 let print_metas = (matches.opt_present("print-crate-name"),
740 matches.opt_present("print-file-name") ||
741 matches.opt_present("crate-file-name"));
742 if matches.opt_present("crate-file-name") {
743 early_warn("the --crate-file-name argument has been renamed to \
746 let cg = build_codegen_options(matches);
748 let color = match matches.opt_str("color").as_ref().map(|s| s.as_slice()) {
749 Some("auto") => Auto,
750 Some("always") => Always,
751 Some("never") => Never,
756 early_error(format!("argument for --color must be auto, always \
757 or never (instead was `{}`)",
762 let mut externs = HashMap::new();
763 for arg in matches.opt_strs("extern").iter() {
764 let mut parts = arg.as_slice().splitn('=', 1);
765 let name = match parts.next() {
767 None => early_error("--extern value must not be empty"),
769 let location = match parts.next() {
771 None => early_error("--extern value must be of the format `foo=bar`"),
773 let locs = externs.find_or_insert(name.to_string(), Vec::new());
774 locs.push(location.to_string());
777 let crate_name = matches.opt_str("crate-name");
780 crate_types: crate_types,
783 debuginfo: debuginfo,
784 lint_opts: lint_opts,
785 describe_lints: describe_lints,
786 output_types: output_types,
787 addl_lib_search_paths: RefCell::new(addl_lib_search_paths),
788 maybe_sysroot: sysroot_opt,
789 target_triple: target,
792 parse_only: parse_only,
794 no_analysis: no_analysis,
795 debugging_opts: debugging_opts,
796 write_dependency_info: write_dependency_info,
797 print_metas: print_metas,
801 crate_name: crate_name,
805 impl fmt::Show for CrateType {
806 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
808 CrateTypeExecutable => "bin".fmt(f),
809 CrateTypeDylib => "dylib".fmt(f),
810 CrateTypeRlib => "rlib".fmt(f),
811 CrateTypeStaticlib => "staticlib".fmt(f)
819 use driver::config::{build_configuration, optgroups, build_session_options};
820 use driver::session::build_session;
822 use getopts::getopts;
824 use syntax::attr::AttrMetaMethods;
825 use syntax::diagnostics;
827 // When the user supplies --test we should implicitly supply --cfg test
829 fn test_switch_implies_cfg_test() {
831 &match getopts(["--test".to_string()], optgroups().as_slice()) {
833 Err(f) => fail!("test_switch_implies_cfg_test: {}", f)
835 let registry = diagnostics::registry::Registry::new([]);
836 let sessopts = build_session_options(matches);
837 let sess = build_session(sessopts, None, registry);
838 let cfg = build_configuration(&sess);
839 assert!((attr::contains_name(cfg.as_slice(), "test")));
842 // When the user supplies --test and --cfg test, don't implicitly add
843 // another --cfg test
845 fn test_switch_implies_cfg_test_unless_cfg_test() {
847 &match getopts(["--test".to_string(), "--cfg=test".to_string()],
848 optgroups().as_slice()) {
851 fail!("test_switch_implies_cfg_test_unless_cfg_test: {}", f)
854 let registry = diagnostics::registry::Registry::new([]);
855 let sessopts = build_session_options(matches);
856 let sess = build_session(sessopts, None, registry);
857 let cfg = build_configuration(&sess);
858 let mut test_items = cfg.iter().filter(|m| m.name().equiv(&("test")));
859 assert!(test_items.next().is_some());
860 assert!(test_items.next().is_none());