Merge branch 'master' into flag-subcommands

Cargo.toml

@@ -67,7 +67,7 @@ maintenance = {status = "actively-developed"}
 [dependencies]
 bitflags              = "1.2"
 unicode-width         = "0.1"
-textwrap              = "0.11"
+textwrap              = "0.12"
 indexmap              = "1.0"
 os_str_bytes = { version = "2.3", features = ["raw"] }
 vec_map               = "0.8"
@@ -75,7 +75,7 @@ strsim      = { version = "0.10",  optional = true }
 yaml-rust   = { version = "0.4.1",  optional = true }
 atty        = { version = "0.2",  optional = true }
 termcolor   = { version = "1.1", optional = true }
-term_size   = { version = "1.0.0-beta1", optional = true }
+terminal_size = { version = "0.1.12", optional = true }
 lazy_static = { version = "1", optional = true }
 clap_derive = { path = "./clap_derive", version = "3.0.0-beta.1", optional = true }
 
@@ -90,7 +90,7 @@ default     = ["suggestions", "color", "derive", "std", "cargo"]
 std         = [] # support for no_std in a backwards-compatible way
 suggestions = ["strsim"]
 color       = ["atty", "termcolor"]
-wrap_help   = ["term_size", "textwrap/term_size"]
+wrap_help   = ["terminal_size", "textwrap/terminal_size"]
 derive      = ["clap_derive", "lazy_static"]
 yaml        = ["yaml-rust"]
 cargo       = [] # Disable if you're not using Cargo, enables Cargo-env-var-dependent macros

README.md

@@ -350,12 +350,12 @@ fn main() {
         (about: "Does awesome things")
         (@arg CONFIG: -c --config +takes_value "Sets a custom config file")
         (@arg INPUT: +required "Sets the input file to use")
-        (@arg debug: -d ... "Sets the level of debugging information")
+        (@arg verbose: -v --verbose "Print test information verbosely")
         (@subcommand test =>
             (about: "controls testing features")
             (version: "1.3")
             (author: "Someone E. <someone_else@other.com>")
-            (@arg verbose: -v --verbose "Print test information verbosely")
+            (@arg debug: -d ... "Sets the level of debugging information")
         )
     ).get_matches();
 
@@ -410,7 +410,7 @@ To try out the pre-built [examples][examples], use the following steps:
 
 To test out `clap`'s default auto-generated help/version follow these steps:
 * Create a new cargo project `$ cargo new fake --bin && cd fake`
-* Writer your program as described in the quick example section.
+* Write your program as described in the quick example section.
 * Build your program `$ cargo build --release`
 * Run with help or version `$ ./target/release/fake --help` or `$ ./target/release/fake --version`
 

clap_derive/examples/basic.rs

@@ -30,7 +30,7 @@ struct Opt {
     // the long option will be translated by default to kebab case,
     // i.e. `--nb-cars`.
     /// Number of cars
-    #[clap(short = "c", long)]
+    #[clap(short = 'c', long)]
     nb_cars: Option<i32>,
 
     /// admin_level to consider

clap_derive/examples/keyvalue.rs

@@ -26,7 +26,7 @@ struct Opt {
     // but this makes adding an argument after the values impossible:
     // my_program -D a=1 -D b=2 my_input_file
     // becomes invalid.
-    #[clap(short = "D", parse(try_from_str = parse_key_val), number_of_values = 1)]
+    #[clap(short = 'D', parse(try_from_str = parse_key_val), number_of_values = 1)]
     defines: Vec<(String, i32)>,
 }
 

clap_derive/src/attrs.rs

@@ -147,11 +147,7 @@ impl ToTokens for Method {
     fn to_tokens(&self, ts: &mut proc_macro2::TokenStream) {
         let Method { ref name, ref args } = self;
 
-        let tokens = if name == "short" {
+        let tokens = quote!( .#name(#args) );
-            quote!( .#name(#args.chars().nth(0).unwrap()) )
-        } else {
-            quote!( .#name(#args) )
-        };
 
         tokens.to_tokens(ts);
     }
@@ -242,6 +238,28 @@ impl Name {
             }
         }
     }
+
+    pub fn translate_char(self, style: CasingStyle) -> TokenStream {
+        use CasingStyle::*;
+
+        match self {
+            Name::Assigned(tokens) => quote!( (#tokens).chars().next().unwrap() ),
+            Name::Derived(ident) => {
+                let s = ident.unraw().to_string();
+                let s = match style {
+                    Pascal => s.to_camel_case(),
+                    Kebab => s.to_kebab_case(),
+                    Camel => s.to_mixed_case(),
+                    ScreamingSnake => s.to_shouty_snake_case(),
+                    Snake => s.to_snake_case(),
+                    Verbatim => s,
+                };
+
+                let s = s.chars().next().unwrap();
+                quote_spanned!(ident.span()=> #s)
+            }
+        }
+    }
 }
 
 impl Attrs {
@@ -284,7 +302,11 @@ impl Attrs {
 
         for attr in parse_clap_attributes(attrs) {
             match attr {
-                Short(ident) | Long(ident) => {
+                Short(ident) => {
+                    self.push_method(ident, self.name.clone().translate_char(*self.casing));
+                }
+
+                Long(ident) => {
                     self.push_method(ident, self.name.clone().translate(*self.casing));
                 }
 

clap_derive/src/derives/subcommand.rs

@@ -188,12 +188,18 @@ fn gen_from_subcommand(
                                 quote!(::std::string::String),
                                 quote!(values_of),
                             )
-                        } else {
+                        } else if is_simple_ty(subty, "OsString") {
                             (
                                 subty.span(),
                                 quote!(::std::ffi::OsString),
                                 quote!(values_of_os),
                             )
+                        } else {
+                            abort!(
+                                ty.span(),
+                                "The type must be either `Vec<String>` or `Vec<OsString>` \
+                                 to be used with `external_subcommand`."
+                            );
                         }
                     }
 

clap_derive/src/utils/ty.rs

@@ -44,7 +44,10 @@ pub fn sub_type(ty: &syn::Type) -> Option<&syn::Type> {
     subty_if(ty, |_| true)
 }
 
-fn only_last_segment(ty: &syn::Type) -> Option<&PathSegment> {
+fn only_last_segment(mut ty: &syn::Type) -> Option<&PathSegment> {
+    while let syn::Type::Group(syn::TypeGroup { elem, .. }) = ty {
+        ty = elem;
+    }
     match ty {
         Type::Path(TypePath {
             qself: None,

clap_derive/tests/argument_naming.rs

@@ -99,7 +99,7 @@ fn test_standalone_short_generates_kebab_case() {
 fn test_custom_short_overwrites_default_name() {
     #[derive(Clap, Debug, PartialEq)]
     struct Opt {
-        #[clap(short = "o")]
+        #[clap(short = 'o')]
         foo_option: bool,
     }
 

clap_derive/tests/basic.rs

@@ -18,7 +18,7 @@ use clap::Clap;
 fn basic() {
     #[derive(Clap, PartialEq, Debug)]
     struct Opt {
-        #[clap(short = "a", long = "arg")]
+        #[clap(short = 'a', long = "arg")]
         arg: Vec<i32>,
     }
     assert_eq!(Opt { arg: vec![24] }, Opt::parse_from(&["test", "-a24"]));

clap_derive/tests/custom-string-parsers.rs

@@ -32,7 +32,7 @@ struct PathOpt {
     #[clap(short, parse(from_os_str))]
     option_path_1: Option<PathBuf>,
 
-    #[clap(short = "q", parse(from_os_str))]
+    #[clap(short = 'q', parse(from_os_str))]
     option_path_2: Option<PathBuf>,
 }
 
@@ -179,7 +179,7 @@ struct Occurrences {
     #[clap(short, parse(from_occurrences))]
     unsigned: usize,
 
-    #[clap(short = "r", parse(from_occurrences))]
+    #[clap(short = 'r', parse(from_occurrences))]
     little_unsigned: u8,
 
     #[clap(short, long, parse(from_occurrences = foo))]

clap_derive/tests/explicit_name_no_renaming.rs

@@ -7,7 +7,7 @@ use utils::*;
 fn explicit_short_long_no_rename() {
     #[derive(Clap, PartialEq, Debug)]
     struct Opt {
-        #[clap(short = ".", long = ".foo")]
+        #[clap(short = '.', long = ".foo")]
         foo: Vec<String>,
     }
 

clap_derive/tests/nested.rs

@@ -0,0 +1,33 @@
+// Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>,
+// Kevin Knapp (@kbknapp) <kbknapp@gmail.com>, and
+// Andrew Hobden (@hoverbear) <andrew@hoverbear.org>
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+//
+// This work was derived from Structopt (https://github.com/TeXitoi/structopt)
+// commit#ea76fa1b1b273e65e3b0b1046643715b49bec51f which is licensed under the
+// MIT/Apache 2.0 license.
+
+use clap::Clap;
+
+// Tests that clap_derive properly detects an `Option` field
+// that results from a macro expansion
+#[test]
+fn use_option() {
+    macro_rules! expand_ty {
+        ($name:ident: $ty:ty) => {
+            #[derive(Clap)]
+            struct Outer {
+                #[clap(short, long)]
+                #[allow(dead_code)]
+                $name: $ty,
+            }
+        };
+    }
+
+    expand_ty!(my_field: Option<String>);
+}

clap_derive/tests/non_literal_attributes.rs

@@ -30,7 +30,7 @@ struct Opt {
     )]
     x: i32,
 
-    #[clap(short = "l", long = "level", aliases = &["set-level", "lvl"])]
+    #[clap(short = 'l', long = "level", aliases = &["set-level", "lvl"])]
     level: String,
 
     #[clap(long("values"))]
@@ -129,7 +129,7 @@ fn parse_hex(input: &str) -> Result<u64, ParseIntError> {
 
 #[derive(Clap, PartialEq, Debug)]
 struct HexOpt {
-    #[clap(short = "n", parse(try_from_str = parse_hex))]
+    #[clap(short, parse(try_from_str = parse_hex))]
     number: u64,
 }
 

clap_derive/tests/ui/external_subcommand_wrong_type.stderr

@@ -1,3 +1,9 @@
+error: The type must be either `Vec<String>` or `Vec<OsString>` to be used with `external_subcommand`.
+ --> $DIR/external_subcommand_wrong_type.rs:7:11
+  |
+7 |     Other(Vec<CString>),
+  |           ^^^
+
 error: The type must be either `Vec<String>` or `Vec<OsString>` to be used with `external_subcommand`.
   --> $DIR/external_subcommand_wrong_type.rs:13:11
    |
@@ -10,12 +16,3 @@ error: The enum variant marked with `external_attribute` must be a single-typed
 18 | /     #[clap(external_subcommand)]
 19 | |     Other { a: String },
    | |_______________________^
-
-error[E0308]: mismatched types
- --> $DIR/external_subcommand_wrong_type.rs:7:15
-  |
-7 |     Other(Vec<CString>),
-  |               ^^^^^^^ expected struct `std::ffi::CString`, found struct `std::ffi::OsString`
-  |
-  = note: expected struct `std::vec::Vec<std::ffi::CString>`
-             found struct `std::vec::Vec<std::ffi::OsString>`

clap_derive/tests/utils.rs

@@ -5,7 +5,7 @@
 // Accept and endure. Do not touch.
 #![allow(unused)]
 
-use clap::{find_subcmd_mut, match_alias, IntoApp};
+use clap::IntoApp;
 
 pub fn get_help<T: IntoApp>() -> String {
     let mut output = Vec::new();
@@ -33,7 +33,9 @@ pub fn get_long_help<T: IntoApp>() -> String {
 
 pub fn get_subcommand_long_help<T: IntoApp>(subcmd: &str) -> String {
     let mut output = Vec::new();
-    find_subcmd_mut!(<T as IntoApp>::into_app(), subcmd)
+    <T as IntoApp>::into_app()
+        .get_subcommands_mut()
+        .find(|s| s.get_name() == subcmd)
         .unwrap()
         .write_long_help(&mut output)
         .unwrap();

clap_generate/src/generators/mod.rs

@@ -4,7 +4,7 @@ mod shells;
 use std::io::Write;
 
 // Internal
-use clap::{find_subcmd, flags, match_alias, App, AppSettings, Arg};
+use clap::{App, AppSettings, Arg};
 pub use shells::*;
 
 /// Generator trait which can be used to write generators
@@ -61,11 +61,7 @@ pub trait Generator {
     fn all_subcommands(app: &App) -> Vec<(String, String)> {
         let mut subcmds: Vec<_> = Self::subcommands(app);
 
-        for sc_v in app
+        for sc_v in app.get_subcommands().map(|s| Self::all_subcommands(&s)) {
-            .get_subcommands()
-            .iter()
-            .map(|s| Self::all_subcommands(&s))
-        {
             subcmds.extend(sc_v);
         }
 
@@ -81,7 +77,7 @@ pub trait Generator {
         let mut app = p;
 
         for sc in path {
-            app = find_subcmd!(app, sc).unwrap();
+            app = app.find_subcommand(sc).unwrap();
         }
 
         app
@@ -123,7 +119,6 @@ pub trait Generator {
 
         let mut shorts: Vec<char> = p
             .get_arguments()
-            .iter()
             .filter_map(|a| {
                 if a.get_index().is_none() && a.get_short().is_some() {
                     Some(a.get_short().unwrap())
@@ -151,7 +146,6 @@ pub trait Generator {
 
         let mut longs: Vec<String> = p
             .get_arguments()
-            .iter()
             .filter_map(|a| {
                 if a.get_index().is_none() && a.get_long().is_some() {
                     Some(a.get_long().unwrap().to_string())
@@ -179,7 +173,7 @@ pub trait Generator {
     fn flags<'b>(p: &'b App<'b>) -> Vec<Arg> {
         debug!("flags: name={}", p.get_name());
 
-        let mut flags: Vec<_> = flags!(p).cloned().collect();
+        let mut flags: Vec<_> = p.get_flags_no_heading().cloned().collect();
 
         if flags.iter().find(|x| x.get_name() == "help").is_none() {
             flags.push(

clap_generate/src/generators/shells/bash.rs

@@ -146,7 +146,7 @@ fn option_details_for_path(app: &App, path: &str) -> String {
     let p = Bash::find_subcommand_with_path(app, path.split("__").skip(1).collect());
     let mut opts = String::new();
 
-    for o in opts!(p) {
+    for o in p.get_opts_no_heading() {
         if let Some(l) = o.get_long() {
             opts = format!(
                 "{}
@@ -201,7 +201,9 @@ fn all_options_for_path(app: &App, path: &str) -> String {
         longs = Bash::longs(p)
             .iter()
             .fold(String::new(), |acc, l| format!("{} --{}", acc, l)),
-        pos = positionals!(p).fold(String::new(), |acc, p| format!("{} {}", acc, p)),
+        pos = p
+            .get_positionals()
+            .fold(String::new(), |acc, p| format!("{} {}", acc, p)),
         subcmds = scs.join(" "),
     );
 

clap_generate/src/generators/shells/elvish.rs

@@ -77,7 +77,7 @@ fn generate_inner<'b>(
     let mut completions = String::new();
     let preamble = String::from("\n            cand ");
 
-    for option in opts!(p) {
+    for option in p.get_opts_no_heading() {
         if let Some(data) = option.get_short() {
             let tooltip = get_tooltip(option.get_about(), data);
 

clap_generate/src/generators/shells/fish.rs

@@ -54,7 +54,7 @@ fn gen_fish_inner(root_command: &str, app: &App, buffer: &mut String) {
 
     debug!("gen_fish_inner: bin_name={}", bin_name);
 
-    for option in opts!(app) {
+    for option in app.get_opts_no_heading() {
         let mut template = basic_template.clone();
 
         if let Some(data) = option.get_short() {

clap_generate/src/generators/shells/powershell.rs

@@ -84,7 +84,7 @@ fn generate_inner<'b>(
     let mut completions = String::new();
     let preamble = String::from("\n            [CompletionResult]::new(");
 
-    for option in opts!(p) {
+    for option in p.get_opts_no_heading() {
         if let Some(data) = option.get_short() {
             let tooltip = get_tooltip(option.get_about(), data);
 

clap_generate/src/generators/shells/zsh.rs

@@ -248,7 +248,7 @@ esac",
         name = p.get_name(),
         name_hyphen = p.get_bin_name().unwrap().replace(" ", "-"),
         subcommands = subcmds.join("\n"),
-        pos = positionals!(p).count() + 1
+        pos = p.get_positionals().count() + 1
     )
 }
 
@@ -260,7 +260,7 @@ fn parser_of<'b>(p: &'b App<'b>, mut sc: &str) -> &'b App<'b> {
     }
 
     sc = sc.split(' ').last().unwrap();
-    find_subcmd!(p, sc).expect(INTERNAL_ERROR_MSG)
+    p.find_subcommand(sc).expect(INTERNAL_ERROR_MSG)
 }
 
 // Writes out the args section, which ends up being the flags, opts and postionals, and a jump to
@@ -354,7 +354,7 @@ fn write_opts_of(p: &App) -> String {
 
     let mut ret = vec![];
 
-    for o in opts!(p) {
+    for o in p.get_opts_no_heading() {
         debug!("write_opts_of:iter: o={}", o.get_name());
 
         let help = o.get_about().map_or(String::new(), escape_help);
@@ -490,7 +490,7 @@ fn write_positionals_of(p: &App) -> String {
 
     let mut ret = vec![];
 
-    for arg in positionals!(p) {
+    for arg in p.get_positionals() {
         debug!("write_positionals_of:iter: arg={}", arg.get_name());
 
         let optional = if !arg.is_set(ArgSettings::Required) {

justfile

@@ -25,8 +25,8 @@ run-tests:
 	cargo bench
 
 @lint:
-	rustup add component clippy
+	rustup component add clippy
-	rustup add component rustfmt
+	rustup component add rustfmt
 	cargo clippy --lib --features "yaml unstable" -- -D warnings
 	cargo clippy --tests --examples --features "yaml unstable"
 	cargo fmt -- --check

src/build/app/mod.rs

@@ -165,20 +165,40 @@ impl<'b> App<'b> {
 
     /// Get the list of subcommands
     #[inline]
-    pub fn get_subcommands(&self) -> &[App<'b>] {
+    pub fn get_subcommands(&self) -> impl Iterator<Item = &App<'b>> {
-        &self.subcommands
+        self.subcommands.iter()
     }
 
-    /// Get the list of subcommands
+    /// Iterate through the set of subcommands, getting a mutable reference to each.
     #[inline]
-    pub fn get_subcommands_mut(&mut self) -> &mut [App<'b>] {
+    pub fn get_subcommands_mut(&mut self) -> impl Iterator<Item = &mut App<'b>> {
-        &mut self.subcommands
+        self.subcommands.iter_mut()
     }
 
-    /// Get the list of arguments
+    /// Iterate through the set of arguments
     #[inline]
-    pub fn get_arguments(&self) -> &[Arg<'b>] {
+    pub fn get_arguments(&self) -> impl Iterator<Item = &Arg<'b>> {
-        &self.args.args
+        self.args.args.iter()
+    }
+
+    /// Get the list of *positional* arguments.
+    #[inline]
+    pub fn get_positionals(&self) -> impl Iterator<Item = &Arg<'b>> {
+        self.get_arguments().filter(|a| a.is_positional())
+    }
+
+    /// Iterate through the *flags* that don't have custom heading.
+    pub fn get_flags_no_heading(&self) -> impl Iterator<Item = &Arg<'b>> {
+        self.get_arguments()
+            .filter(|a| !a.is_set(ArgSettings::TakesValue) && a.get_index().is_none())
+            .filter(|a| a.get_help_heading().is_none())
+    }
+
+    /// Iterate through the *options* that don't have custom heading.
+    pub fn get_opts_no_heading(&self) -> impl Iterator<Item = &Arg<'b>> {
+        self.get_arguments()
+            .filter(|a| a.is_set(ArgSettings::TakesValue) && a.get_index().is_none())
+            .filter(|a| a.get_help_heading().is_none())
     }
 
     /// Get the list of arguments the given argument conflicts with
@@ -210,6 +230,15 @@ impl<'b> App<'b> {
     pub fn has_subcommands(&self) -> bool {
         !self.subcommands.is_empty()
     }
+
+    /// Find subcommand such that its name or one of aliases equals `name`.
+    #[inline]
+    pub fn find_subcommand<T>(&self, name: &T) -> Option<&App<'b>>
+    where
+        T: PartialEq<str> + ?Sized,
+    {
+        self.get_subcommands().find(|s| s.aliases_to(name))
+    }
 }
 
 impl<'b> App<'b> {
@@ -2204,6 +2233,7 @@ impl<'b> App<'b> {
         self.args.args.iter().find(|a| a.id == *arg_id)
     }
 
+    #[inline]
     // Should we color the output?
     pub(crate) fn color(&self) -> ColorChoice {
         debug!("App::color: Color setting...");
@@ -2220,6 +2250,7 @@ impl<'b> App<'b> {
         }
     }
 
+    #[inline]
     pub(crate) fn contains_short(&self, s: char) -> bool {
         if !self.is_set(AppSettings::Built) {
             panic!("If App::_build hasn't been called, manually search through Arg shorts");
@@ -2228,24 +2259,29 @@ impl<'b> App<'b> {
         self.args.contains(s)
     }
 
+    #[inline]
     pub(crate) fn set(&mut self, s: AppSettings) {
         self.settings.set(s)
     }
 
+    #[inline]
     pub(crate) fn unset(&mut self, s: AppSettings) {
         self.settings.unset(s)
     }
 
+    #[inline]
     pub(crate) fn has_args(&self) -> bool {
         !self.args.is_empty()
     }
 
+    #[inline]
     pub(crate) fn has_opts(&self) -> bool {
-        opts!(self).count() > 0
+        self.get_opts_no_heading().count() > 0
     }
 
+    #[inline]
     pub(crate) fn has_flags(&self) -> bool {
-        flags!(self).count() > 0
+        self.get_flags_no_heading().count() > 0
     }
 
     pub(crate) fn has_visible_subcommands(&self) -> bool {
@@ -2255,11 +2291,40 @@ impl<'b> App<'b> {
             .any(|sc| !sc.is_set(AppSettings::Hidden))
     }
 
+    /// Check if this subcommand can be referred to as `name`. In other words,
+    /// check if `name` is the name of this subcommand or is one of its aliases.
+    #[inline]
+    pub(crate) fn aliases_to<T>(&self, name: &T) -> bool
+    where
+        T: PartialEq<str> + ?Sized,
+    {
+        *name == *self.get_name() || self.get_all_aliases().any(|alias| *name == *alias)
+    }
+
     #[cfg(debug_assertions)]
     pub(crate) fn id_exists(&self, id: &Id) -> bool {
         self.args.args.iter().any(|x| x.id == *id) || self.groups.iter().any(|x| x.id == *id)
     }
 
+    /// Iterate through the groups this arg is member of.
+    pub(crate) fn groups_for_arg<'a>(&'a self, arg: &'_ Id) -> impl Iterator<Item = Id> + 'a {
+        debug!("App::groups_for_arg: id={:?}", arg);
+        let arg = arg.clone();
+        self.groups
+            .iter()
+            .filter(move |grp| grp.args.iter().any(|a| a == &arg))
+            .map(|grp| grp.id.clone())
+    }
+
+    /// Iterate through all the names of all subcommands (not recursively), including aliases.
+    /// Used for suggestions.
+    pub(crate) fn all_subcommand_names(&self) -> impl Iterator<Item = &str> {
+        self.get_subcommands().map(|s| s.get_name()).chain(
+            self.get_subcommands()
+                .flat_map(|s| s.aliases.iter().map(|&(n, _)| n)),
+        )
+    }
+
     pub(crate) fn unroll_args_in_group(&self, group: &Id) -> Vec<Id> {
         debug!("App::unroll_args_in_group: group={:?}", group);
         let mut g_vec = vec![group];

src/build/arg/mod.rs

@@ -3005,8 +3005,8 @@ impl<'help> Arg<'help> {
     ///
     /// **WARNING**: When building your CLIs, consider the effects of allowing leading hyphens and
     /// the user passing in a value that matches a valid short. For example `prog -opt -F` where
-    /// `-F` is supposed to be a value, yet `-F` is *also* a valid short for another arg. Care should
+    /// `-F` is supposed to be a value, yet `-F` is *also* a valid short for another arg.
-    /// should be taken when designing these args. This is compounded by the ability to "stack"
+    /// Care should be taken when designing these args. This is compounded by the ability to "stack"
     /// short args. I.e. if `-val` is supposed to be a value, but `-v`, `-a`, and `-l` are all valid
     /// shorts.
     ///

src/macros.rs

@@ -272,7 +272,7 @@ macro_rules! app_from_crate {
 ///
 /// # Alternative form for non-ident values
 ///
-/// Certain places that normally accept an `ident`, will optionally accept an alternative of `("expr enclosed by parens")`
+/// Certain places that normally accept an `ident` also optionally accept an alternative of `("expr enclosed by parens")`
 /// * `(@arg something: --something)` could also be `(@arg ("something-else"): --("something-else"))`
 /// * `(@subcommand something => ...)` could also be `(@subcommand ("something-else") => ...)`
 ///
@@ -552,128 +552,3 @@ macro_rules! debug {
 macro_rules! debug {
     ($($arg:tt)*) => {};
 }
-
-#[macro_export]
-#[doc(hidden)]
-macro_rules! flags {
-    ($app:expr, $how:ident) => {{
-        $app.get_arguments()
-            .$how()
-            .filter(|a| !a.is_set($crate::ArgSettings::TakesValue) && a.get_index().is_none())
-            .filter(|a| !a.get_help_heading().is_some())
-    }};
-    ($app:expr) => {
-        $crate::flags!($app, iter)
-    };
-}
-
-#[macro_export]
-#[doc(hidden)]
-macro_rules! opts {
-    ($app:expr, $how:ident) => {{
-        $app.get_arguments()
-            .$how()
-            .filter(|a| a.is_set($crate::ArgSettings::TakesValue) && a.get_index().is_none())
-            .filter(|a| !a.get_help_heading().is_some())
-    }};
-    ($app:expr) => {
-        opts!($app, iter)
-    };
-}
-
-#[macro_export]
-#[doc(hidden)]
-macro_rules! positionals {
-    ($app:expr) => {{
-        $app.get_arguments()
-            .iter()
-            .filter(|a| !(a.get_short().is_some() || a.get_long().is_some()))
-    }};
-}
-
-macro_rules! groups_for_arg {
-    ($app:expr, $grp:expr) => {{
-        debug!("groups_for_arg: name={:?}", $grp);
-        $app.groups
-            .iter()
-            .filter(|grp| grp.args.iter().any(|a| a == $grp))
-            .map(|grp| grp.id.clone())
-    }};
-}
-
-macro_rules! find_subcmd_cloned {
-    ($app:expr, $sc:expr) => {{
-        $app.get_subcommands()
-            .iter()
-            .cloned()
-            .find(|a| match_alias!(a, $sc, a.get_name()))
-    }};
-}
-
-#[macro_export]
-#[doc(hidden)]
-macro_rules! find_subcmd {
-    ($app:expr, $sc:expr) => {{
-        $app.get_subcommands()
-            .iter()
-            .find(|a| match_alias!(a, $sc, a.get_name()))
-    }};
-}
-
-#[macro_export]
-#[doc(hidden)]
-macro_rules! find_subcmd_mut {
-    ($app:expr, $sc:expr) => {{
-        $app.get_subcommands_mut()
-            .iter_mut()
-            .find(|a| match_alias!(a, $sc, a.get_name()))
-    }};
-}
-
-macro_rules! longs {
-    ($app:expr, $how:ident) => {{
-        use crate::mkeymap::KeyType;
-        $app.args.keys.iter().map(|x| &x.key).filter_map(|a| {
-            if let KeyType::Long(v) = a {
-                Some(v)
-            } else {
-                None
-            }
-        })
-    }};
-    ($app:expr) => {
-        longs!($app, iter)
-    };
-}
-
-#[macro_export]
-#[doc(hidden)]
-macro_rules! names {
-    (@args $app:expr) => {{
-        $app.get_arguments().iter().map(|a| &*a.get_name())
-    }};
-    (@sc $app:expr) => {{
-        $app.get_subcommands().iter().map(|s| &*s.get_name()).chain(
-            $app.get_subcommands()
-                .iter()
-                .filter(|s| !s.aliases.is_empty()) // REFACTOR
-                .flat_map(|s| s.aliases.iter().map(|&(n, _)| n)),
-        )
-    }};
-}
-
-#[macro_export]
-#[doc(hidden)]
-macro_rules! sc_names {
-    ($app:expr) => {{
-        names!(@sc $app)
-    }};
-}
-
-#[macro_export]
-#[doc(hidden)]
-macro_rules! match_alias {
-    ($a:expr, $to:expr, $what:expr) => {{
-        $what == $to || $a.get_all_aliases().any(|alias| alias == $to)
-    }};
-}

src/output/help.rs

@@ -23,11 +23,12 @@ use crate::{
 use indexmap::IndexSet;
 use unicode_width::UnicodeWidthStr;
 
-#[cfg(not(feature = "wrap_help"))]
+pub(crate) fn dimensions() -> Option<(usize, usize)> {
-mod term_size {
+    #[cfg(not(feature = "wrap_help"))]
-    pub(crate) fn dimensions() -> Option<(usize, usize)> {
+    return None;
-        None
+
-    }
+    #[cfg(feature = "wrap_help")]
+    terminal_size::terminal_size().map(|(w, h)| (w.0.into(), h.0.into()))
 }
 
 fn str_width(s: &str) -> usize {
@@ -80,7 +81,7 @@ impl<'b, 'c, 'd, 'w> Help<'b, 'c, 'd, 'w> {
             Some(0) => usize::MAX,
             Some(w) => w,
             None => cmp::min(
-                term_size::dimensions().map_or(100, |(w, _)| w),
+                dimensions().map_or(100, |(w, _)| w),
                 match parser.app.max_w {
                     None | Some(0) => usize::MAX,
                     Some(mw) => mw,
@@ -663,15 +664,18 @@ impl<'b, 'c, 'd, 'w> Help<'b, 'c, 'd, 'w> {
     pub(crate) fn write_all_args(&mut self) -> ClapResult<()> {
         debug!("Help::write_all_args");
         let flags = self.parser.has_flags();
-        // Strange filter/count vs fold... https://github.com/rust-lang/rust/issues/33038
+        // FIXME: Strange filter/count vs fold... https://github.com/rust-lang/rust/issues/33038
-        let pos = positionals!(self.parser.app).fold(0, |acc, arg| {
+        let pos = self.parser.app.get_positionals().fold(0, |acc, arg| {
             if should_show_arg(self.use_long, arg) {
                 acc + 1
             } else {
                 acc
             }
         }) > 0;
-        let opts = opts!(self.parser.app)
+        let opts = self
+            .parser
+            .app
+            .get_opts_no_heading()
             .filter(|arg| should_show_arg(self.use_long, arg))
             .collect::<Vec<_>>();
         let subcmds = self.parser.has_visible_subcommands();
@@ -687,7 +691,7 @@ impl<'b, 'c, 'd, 'w> Help<'b, 'c, 'd, 'w> {
 
         let mut first = if pos {
             self.warning("ARGS:\n")?;
-            self.write_args_unsorted(&*positionals!(self.parser.app).collect::<Vec<_>>())?;
+            self.write_args_unsorted(&self.parser.app.get_positionals().collect::<Vec<_>>())?;
             false
         } else {
             true
@@ -716,8 +720,8 @@ impl<'b, 'c, 'd, 'w> Help<'b, 'c, 'd, 'w> {
                     self.none("\n\n")?;
                 }
                 self.warning("FLAGS:\n")?;
-                let flags_v: Vec<_> = flags!(self.parser.app).collect();
+                let flags_v: Vec<_> = self.parser.app.get_flags_no_heading().collect();
-                self.write_args(&*flags_v)?;
+                self.write_args(&flags_v)?;
                 first = false;
             }
             if !opts.is_empty() {
@@ -1066,16 +1070,16 @@ impl<'b, 'c, 'd, 'w> Help<'b, 'c, 'd, 'w> {
                         .iter()
                         .filter(|a| a.has_switch())
                         .collect::<Vec<_>>();
-                    self.write_args(&*opts_flags)?;
+                    self.write_args(&opts_flags)?;
                 }
                 b"flags" => {
-                    self.write_args(&*flags!(self.parser.app).collect::<Vec<_>>())?;
+                    self.write_args(&self.parser.app.get_flags_no_heading().collect::<Vec<_>>())?;
                 }
                 b"options" => {
-                    self.write_args(&*opts!(self.parser.app).collect::<Vec<_>>())?;
+                    self.write_args(&self.parser.app.get_opts_no_heading().collect::<Vec<_>>())?;
                 }
                 b"positionals" => {
-                    self.write_args(&*positionals!(self.parser.app).collect::<Vec<_>>())?;
+                    self.write_args(&self.parser.app.get_positionals().collect::<Vec<_>>())?;
                 }
                 b"subcommands" => {
                     self.write_subcommands(self.parser.app)?;

src/output/usage.rs

@@ -71,7 +71,10 @@ impl<'b, 'c, 'z> Usage<'b, 'c, 'z> {
             usage.push_str(" [OPTIONS]");
         }
         if !self.p.is_set(AS::UnifiedHelpMessage)
-            && opts!(self.p.app)
+            && self
+                .p
+                .app
+                .get_opts_no_heading()
                 .any(|o| !o.is_set(ArgSettings::Required) && !o.is_set(ArgSettings::Hidden))
         {
             usage.push_str(" [OPTIONS]");
@@ -79,11 +82,23 @@ impl<'b, 'c, 'z> Usage<'b, 'c, 'z> {
 
         usage.push_str(&req_string[..]);
 
-        let has_last = positionals!(self.p.app).any(|p| p.is_set(ArgSettings::Last));
+        let has_last = self
+            .p
+            .app
+            .get_positionals()
+            .any(|p| p.is_set(ArgSettings::Last));
         // places a '--' in the usage string if there are args and options
         // supporting multiple values
-        if opts!(self.p.app).any(|o| o.is_set(ArgSettings::MultipleValues))
+        if self
-            && positionals!(self.p.app).any(|p| !p.is_set(ArgSettings::Required))
+            .p
+            .app
+            .get_opts_no_heading()
+            .any(|o| o.is_set(ArgSettings::MultipleValues))
+            && self
+                .p
+                .app
+                .get_positionals()
+                .any(|p| !p.is_set(ArgSettings::Required))
             && !(self.p.app.has_visible_subcommands()
                 || self.p.is_set(AS::AllowExternalSubcommands))
             && !has_last
@@ -94,19 +109,28 @@ impl<'b, 'c, 'z> Usage<'b, 'c, 'z> {
             (!p.is_set(ArgSettings::Required) || p.is_set(ArgSettings::Last))
                 && !p.is_set(ArgSettings::Hidden)
         };
-        if positionals!(self.p.app).any(not_req_or_hidden) {
+        if self.p.app.get_positionals().any(not_req_or_hidden) {
             if let Some(args_tag) = self.get_args_tag(incl_reqs) {
                 usage.push_str(&*args_tag);
             } else {
                 usage.push_str(" [ARGS]");
             }
             if has_last && incl_reqs {
-                let pos = positionals!(self.p.app)
+                let pos = self
+                    .p
+                    .app
+                    .get_positionals()
                     .find(|p| p.is_set(ArgSettings::Last))
                     .expect(INTERNAL_ERROR_MSG);
                 debug!("Usage::create_help_usage: '{}' has .last(true)", pos.name);
                 let req = pos.is_set(ArgSettings::Required);
-                if req && positionals!(self.p.app).any(|p| !p.is_set(ArgSettings::Required)) {
+                if req
+                    && self
+                        .p
+                        .app
+                        .get_positionals()
+                        .any(|p| !p.is_set(ArgSettings::Required))
+                {
                     usage.push_str(" -- <");
                 } else if req {
                     usage.push_str(" [--] <");
@@ -181,13 +205,16 @@ impl<'b, 'c, 'z> Usage<'b, 'c, 'z> {
     fn get_args_tag(&self, incl_reqs: bool) -> Option<String> {
         debug!("Usage::get_args_tag; incl_reqs = {:?}", incl_reqs);
         let mut count = 0;
-        'outer: for pos in positionals!(self.p.app)
+        'outer: for pos in self
+            .p
+            .app
+            .get_positionals()
             .filter(|pos| !pos.is_set(ArgSettings::Required))
             .filter(|pos| !pos.is_set(ArgSettings::Hidden))
             .filter(|pos| !pos.is_set(ArgSettings::Last))
         {
             debug!("Usage::get_args_tag:iter:{}", pos.name);
-            for grp_s in groups_for_arg!(self.p.app, &pos.id) {
+            for grp_s in self.p.app.groups_for_arg(&pos.id) {
                 debug!("Usage::get_args_tag:iter:{:?}:iter:{:?}", pos.name, grp_s);
                 // if it's part of a required group we don't want to count it
                 if self
@@ -210,7 +237,10 @@ impl<'b, 'c, 'z> Usage<'b, 'c, 'z> {
             debug!("Usage::get_args_tag:iter: More than one, returning [ARGS]");
             return None; // [ARGS]
         } else if count == 1 && incl_reqs {
-            let pos = positionals!(self.p.app)
+            let pos = self
+                .p
+                .app
+                .get_positionals()
                 .find(|pos| {
                     !pos.is_set(ArgSettings::Required)
                         && !pos.is_set(ArgSettings::Hidden)
@@ -232,7 +262,9 @@ impl<'b, 'c, 'z> Usage<'b, 'c, 'z> {
         {
             debug!("Usage::get_args_tag:iter: Don't collapse returning all");
             return Some(
-                positionals!(self.p.app)
+                self.p
+                    .app
+                    .get_positionals()
                     .filter(|pos| !pos.is_set(ArgSettings::Required))
                     .filter(|pos| !pos.is_set(ArgSettings::Hidden))
                     .filter(|pos| !pos.is_set(ArgSettings::Last))
@@ -242,7 +274,10 @@ impl<'b, 'c, 'z> Usage<'b, 'c, 'z> {
             );
         } else if !incl_reqs {
             debug!("Usage::get_args_tag:iter: incl_reqs=false, building secondary usage string");
-            let highest_req_pos = positionals!(self.p.app)
+            let highest_req_pos = self
+                .p
+                .app
+                .get_positionals()
                 .filter_map(|pos| {
                     if pos.is_set(ArgSettings::Required) && !pos.is_set(ArgSettings::Last) {
                         Some(pos.index)
@@ -251,16 +286,12 @@ impl<'b, 'c, 'z> Usage<'b, 'c, 'z> {
                     }
                 })
                 .max()
-                .unwrap_or_else(|| Some(positionals!(self.p.app).count() as u64));
+                .unwrap_or_else(|| Some(self.p.app.get_positionals().count() as u64));
             return Some(
-                positionals!(self.p.app)
+                self.p
-                    .filter_map(|pos| {
+                    .app
-                        if pos.index <= highest_req_pos {
+                    .get_positionals()
-                            Some(pos)
+                    .filter(|pos| pos.index <= highest_req_pos)
-                        } else {
-                            None
-                        }
-                    })
                     .filter(|pos| !pos.is_set(ArgSettings::Required))
                     .filter(|pos| !pos.is_set(ArgSettings::Hidden))
                     .filter(|pos| !pos.is_set(ArgSettings::Last))
@@ -275,7 +306,7 @@ impl<'b, 'c, 'z> Usage<'b, 'c, 'z> {
     // Determines if we need the `[FLAGS]` tag in the usage string
     fn needs_flags_tag(&self) -> bool {
         debug!("Usage::needs_flags_tag");
-        'outer: for f in flags!(self.p.app) {
+        'outer: for f in self.p.app.get_flags_no_heading() {
             debug!("Usage::needs_flags_tag:iter: f={}", f.name);
             if let Some(l) = f.long {
                 if l == "help" || l == "version" {
@@ -283,7 +314,7 @@ impl<'b, 'c, 'z> Usage<'b, 'c, 'z> {
                     continue;
                 }
             }
-            for grp_s in groups_for_arg!(self.p.app, &f.id) {
+            for grp_s in self.p.app.groups_for_arg(&f.id) {
                 debug!("Usage::needs_flags_tag:iter:iter: grp_s={:?}", grp_s);
                 if self
                     .p
@@ -356,7 +387,7 @@ impl<'b, 'c, 'z> Usage<'b, 'c, 'z> {
             unrolled_reqs
                 .iter()
                 .chain(incls.iter())
-                .filter(|a| positionals!(self.p.app).any(|p| &&p.id == a))
+                .filter(|a| self.p.app.get_positionals().any(|p| &&p.id == a))
                 .filter(|&pos| !m.contains(pos))
                 .filter_map(|pos| self.p.app.find(pos))
                 .filter(|&pos| incl_last || !pos.is_set(ArgSettings::Last))
@@ -367,7 +398,7 @@ impl<'b, 'c, 'z> Usage<'b, 'c, 'z> {
             unrolled_reqs
                 .iter()
                 .chain(incls.iter())
-                .filter(|a| positionals!(self.p.app).any(|p| &&p.id == a))
+                .filter(|a| self.p.app.get_positionals().any(|p| &&p.id == a))
                 .filter_map(|pos| self.p.app.find(pos))
                 .filter(|&pos| incl_last || !pos.is_set(ArgSettings::Last))
                 .filter(|pos| !args_in_groups.contains(&pos.id))
@@ -383,7 +414,7 @@ impl<'b, 'c, 'z> Usage<'b, 'c, 'z> {
         for a in unrolled_reqs
             .iter()
             .chain(incls.iter())
-            .filter(|name| !positionals!(self.p.app).any(|p| &&p.id == name))
+            .filter(|name| !self.p.app.get_positionals().any(|p| &&p.id == name))
             .filter(|name| !self.p.app.groups.iter().any(|g| &&g.id == name))
             .filter(|name| !args_in_groups.contains(name))
             .filter(|name| !(matcher.is_some() && matcher.as_ref().unwrap().contains(name)))

src/parse/features/suggestions.rs

@@ -42,26 +42,30 @@ where
     T: AsRef<str>,
     I: IntoIterator<Item = T>,
 {
+    use crate::mkeymap::KeyType;
+
     match did_you_mean(arg, longs).pop() {
-        Some(ref candidate) => {
+        Some(candidate) => Some((candidate, None)),
-            return Some((candidate.to_owned(), None));
+
-        }
         None => {
             for subcommand in subcommands {
                 subcommand._build();
-                if let Some(ref candidate) = did_you_mean(
+
-                    arg,
+                let longs = subcommand.args.keys.iter().map(|x| &x.key).filter_map(|a| {
-                    longs!(subcommand).map(|x| x.to_string_lossy().into_owned()),
+                    if let KeyType::Long(v) = a {
-                )
+                        Some(v.to_string_lossy().into_owned())
-                .pop()
+                    } else {
-                {
+                        None
-                    return Some((candidate.to_owned(), Some(subcommand.get_name().to_owned())));
+                    }
+                });
+
+                if let Some(candidate) = did_you_mean(arg, longs).pop() {
+                    return Some((candidate, Some(subcommand.get_name().to_string())));
                 }
             }
+            None
         }
     }
-
-    None
 }
 
 #[cfg(all(test, features = "suggestions"))]

src/parse/parser.rs

@@ -171,7 +171,7 @@ where
         let only_highest = |a: &Arg| {
             a.is_set(ArgSettings::MultipleValues) && (a.index.unwrap_or(0) != highest_idx)
         };
-        if positionals!(self.app).any(only_highest) {
+        if self.app.get_positionals().any(only_highest) {
             // First we make sure if there is a positional that allows multiple values
             // the one before it (second to last) has one of these:
             //  * a value terminator
@@ -206,7 +206,9 @@ where
             );
 
             // Next we check how many have both Multiple and not a specific number of values set
-            let count = positionals!(self.app)
+            let count = self
+                .app
+                .get_positionals()
                 .filter(|p| p.settings.is_set(ArgSettings::MultipleValues) && p.num_vals.is_none())
                 .count();
             let ok = count <= 1
@@ -227,7 +229,7 @@ where
             let mut found = false;
             let mut foundx2 = false;
 
-            for p in positionals!(self.app) {
+            for p in self.app.get_positionals() {
                 if foundx2 && !p.is_set(ArgSettings::Required) {
                     assert!(
                         p.is_set(ArgSettings::Required),
@@ -283,13 +285,16 @@ where
             }
         }
         assert!(
-            positionals!(self.app)
+            self.app
+                .get_positionals()
                 .filter(|p| p.is_set(ArgSettings::Last))
                 .count()
                 < 2,
             "Only one positional argument may have last(true) set. Found two."
         );
-        if positionals!(self.app)
+        if self
+            .app
+            .get_positionals()
             .any(|p| p.is_set(ArgSettings::Last) && p.is_set(ArgSettings::Required))
             && self.has_subcommands()
             && !self.is_set(AS::SubcommandsNegateReqs)
@@ -336,7 +341,7 @@ where
         self._verify_positionals();
 
         // Set the LowIndexMultiple flag if required
-        if positionals!(self.app).any(|a| {
+        if self.app.get_positionals().any(|a| {
             a.is_set(ArgSettings::MultipleValues)
                 && (a.index.unwrap_or(0) as usize
                     != self
@@ -346,7 +351,7 @@ where
                         .iter()
                         .filter(|x| x.key.is_position())
                         .count())
-        }) && positionals!(self.app).last().map_or(false, |p_name| {
+        }) && self.app.get_positionals().last().map_or(false, |p_name| {
             !self.app[&p_name.id].is_set(ArgSettings::Last)
         }) {
             self.app.settings.set(AS::LowIndexMultiplePositional);
@@ -533,8 +538,10 @@ where
                     || self.is_set(AS::AllowExternalSubcommands)
                     || self.is_set(AS::InferSubcommands))
                 {
-                    let cands =
+                    let cands = suggestions::did_you_mean(
-                        suggestions::did_you_mean(&*arg_os.to_string_lossy(), sc_names!(self.app));
+                        &*arg_os.to_string_lossy(),
+                        self.app.all_subcommand_names(),
+                    );
                     if !cands.is_empty() {
                         let cands: Vec<_> =
                             cands.iter().map(|cand| format!("'{}'", cand)).collect();
@@ -578,8 +585,10 @@ where
                         ParseResult::ValuesDone(id) => ParseResult::ValuesDone(id),
 
                         _ => {
-                            if let Some(p) =
+                            if let Some(p) = self
-                                positionals!(self.app).find(|p| p.index == Some(pos_counter as u64))
+                                .app
+                                .get_positionals()
+                                .find(|p| p.index == Some(pos_counter as u64))
                             {
                                 ParseResult::Pos(p.id.clone())
                             } else {
@@ -593,8 +602,11 @@ where
 
                     if self.is_new_arg(&n, &needs_val_of)
                         || sc_match
-                        || !suggestions::did_you_mean(&n.to_string_lossy(), sc_names!(self.app))
+                        || !suggestions::did_you_mean(
-                            .is_empty()
+                            &n.to_string_lossy(),
+                            self.app.all_subcommand_names(),
+                        )
+                        .is_empty()
                     {
                         debug!("Parser::get_matches_with: Bumping the positional counter...");
                         pos_counter += 1;
@@ -653,7 +665,7 @@ where
                 self.add_val_to_arg(p, &arg_os, matcher, ValueType::CommandLine)?;
 
                 matcher.inc_occurrence_of(&p.id);
-                for grp in groups_for_arg!(self.app, &p.id) {
+                for grp in self.app.groups_for_arg(&p.id) {
                     matcher.inc_occurrence_of(&grp);
                 }
 
@@ -712,8 +724,10 @@ where
                     self.app.color(),
                 )?);
             } else if !has_args || self.is_set(AS::InferSubcommands) && self.has_subcommands() {
-                let cands =
+                let cands = suggestions::did_you_mean(
-                    suggestions::did_you_mean(&*arg_os.to_string_lossy(), sc_names!(self.app));
+                    &*arg_os.to_string_lossy(),
+                    self.app.all_subcommand_names(),
+                );
                 if !cands.is_empty() {
                     let cands: Vec<_> = cands.iter().map(|cand| format!("'{}'", cand)).collect();
                     return Err(ClapError::invalid_subcommand(
@@ -742,7 +756,9 @@ where
 
         if !external_subcommand {
             if let Some(ref pos_sc_name) = subcmd_name {
-                let sc_name = find_subcmd!(self.app, *pos_sc_name)
+                let sc_name = self
+                    .app
+                    .find_subcommand(pos_sc_name)
                     .expect(INTERNAL_ERROR_MSG)
                     .name
                     .clone();
@@ -816,7 +832,7 @@ where
         }
         debug!("No");
 
-        for group in groups_for_arg!(self.app, &arg.id) {
+        for group in self.app.groups_for_arg(&arg.id) {
             debug!("Parser::maybe_inc_pos_counter: group={:?}", group);
             let group = self.app.groups.iter().find(|g| g.id == group);
 
@@ -842,7 +858,9 @@ where
         }
 
         if self.is_set(AS::InferSubcommands) {
-            let v = sc_names!(self.app)
+            let v = self
+                .app
+                .all_subcommand_names()
                 .filter(|s| arg_os.is_prefix_of(s))
                 .collect::<Vec<_>>();
 
@@ -855,7 +873,7 @@ where
                     return Some(sc);
                 }
             }
-        } else if let Some(sc) = find_subcmd!(self.app, arg_os) {
+        } else if let Some(sc) = self.app.find_subcommand(arg_os) {
             return Some(&sc.name);
         }
 
@@ -914,18 +932,18 @@ where
                     help_help = true;
                     break; // Maybe?
                 }
-                if let Some(id) = find_subcmd!(sc, cmd).map(|x| x.id.clone()) {
+                if let Some(id) = sc.find_subcommand(cmd).map(|x| x.id.clone()) {
                     sc._propagate(Propagation::To(id));
                 }
 
-                if let Some(mut c) = find_subcmd_cloned!(sc, cmd) {
+                if let Some(mut c) = sc.find_subcommand(cmd).cloned() {
                     c._build();
                     sc = c;
 
                     if i == cmds.len() - 1 {
                         break;
                     }
-                } else if let Some(mut c) = find_subcmd_cloned!(sc, &cmd.to_string_lossy()) {
+                } else if let Some(mut c) = sc.find_subcommand(&cmd.to_string_lossy()).cloned() {
                     c._build();
                     sc = c;
 
@@ -1045,7 +1063,7 @@ where
 
         mid_string.push_str(" ");
 
-        if let Some(x) = find_subcmd!(self.app, sc_name) {
+        if let Some(x) = self.app.find_subcommand(sc_name) {
             let id = x.id.clone();
             self.app._propagate(Propagation::To(id));
         }
@@ -1387,7 +1405,7 @@ where
 
         matcher.inc_occurrence_of(&opt.id);
         // Increment or create the group "args"
-        for grp in groups_for_arg!(self.app, &opt.id) {
+        for grp in self.app.groups_for_arg(&opt.id) {
             matcher.inc_occurrence_of(&grp);
         }
 
@@ -1464,7 +1482,7 @@ where
         matcher.add_index_to(&arg.id, self.cur_idx.get(), ty);
 
         // Increment or create the group "args"
-        for grp in groups_for_arg!(self.app, &arg.id) {
+        for grp in self.app.groups_for_arg(&arg.id) {
             matcher.add_val_to(&grp, v.to_os_string(), ty);
         }
 
@@ -1480,7 +1498,7 @@ where
         matcher.inc_occurrence_of(&flag.id);
         matcher.add_index_to(&flag.id, self.cur_idx.get(), ValueType::CommandLine);
         // Increment or create the group "args"
-        for grp in groups_for_arg!(self.app, &flag.id) {
+        for grp in self.app.groups_for_arg(&flag.id) {
             matcher.inc_occurrence_of(&grp);
         }
 
@@ -1560,12 +1578,12 @@ where
     pub(crate) fn add_defaults(&mut self, matcher: &mut ArgMatcher) -> ClapResult<()> {
         debug!("Parser::add_defaults");
 
-        for o in opts!(self.app) {
+        for o in self.app.get_opts_no_heading() {
             debug!("Parser::add_defaults:iter:{}:", o.name);
             self.add_value(o, matcher, ValueType::DefaultValue)?;
         }
 
-        for p in positionals!(self.app) {
+        for p in self.app.get_positionals() {
             debug!("Parser::add_defaults:iter:{}:", p.name);
             self.add_value(p, matcher, ValueType::DefaultValue)?;
         }
@@ -1693,7 +1711,7 @@ where
                 .args
                 .get(&KeyType::Long(OsString::from(name.0.clone())))
             {
-                for g in groups_for_arg!(self.app, &opt.id) {
+                for g in self.app.groups_for_arg(&opt.id) {
                     matcher.inc_occurrence_of(&g);
                 }
                 matcher.insert(&opt.id);

src/parse/validator.rs

@@ -309,7 +309,7 @@ impl<'b, 'c, 'z> Validator<'b, 'c, 'z> {
                 // args in that group to the conflicts, as well as any args those args conflict
                 // with
 
-                for grp in groups_for_arg!(self.p.app, name) {
+                for grp in self.p.app.groups_for_arg(&name) {
                     if let Some(g) = self
                         .p
                         .app

tests/utils.rs

@@ -64,7 +64,7 @@ pub fn compare_output2(l: App, args: &str, right1: &str, right2: &str, stderr: b
     compare(&*left, right1) || compare(&*left, right2)
 }
 
-// Legacy tests from the pyhton script days
+// Legacy tests from the python script days
 
 pub fn complex_app() -> App<'static> {
     let opt3_vals = ["fast", "slow"];