From 7b15c4f7ae95e2e855cb783871906fa7bf364c4c Mon Sep 17 00:00:00 2001 From: Aleksey Kladov Date: Thu, 17 Oct 2019 19:36:55 +0300 Subject: WIP: move to xtasks --- xtask/src/bin/pre-commit.rs | 31 ++++ xtask/src/boilerplate_gen.rs | 348 +++++++++++++++++++++++++++++++++++++++++++ xtask/src/help.rs | 47 ++++++ xtask/src/lib.rs | 332 +++++++++++++++++++++++++++++++++++++++++ xtask/src/main.rs | 218 +++++++++++++++++++++++++++ 5 files changed, 976 insertions(+) create mode 100644 xtask/src/bin/pre-commit.rs create mode 100644 xtask/src/boilerplate_gen.rs create mode 100644 xtask/src/help.rs create mode 100644 xtask/src/lib.rs create mode 100644 xtask/src/main.rs (limited to 'xtask/src') diff --git a/xtask/src/bin/pre-commit.rs b/xtask/src/bin/pre-commit.rs new file mode 100644 index 000000000..16bbf9cb2 --- /dev/null +++ b/xtask/src/bin/pre-commit.rs @@ -0,0 +1,31 @@ +//! FIXME: write short doc here + +use std::process::Command; + +use ra_tools::{project_root, run, run_rustfmt, Overwrite, Result}; + +fn main() -> Result<()> { + run_rustfmt(Overwrite)?; + update_staged() +} + +fn update_staged() -> Result<()> { + let root = project_root(); + let output = Command::new("git") + .arg("diff") + .arg("--diff-filter=MAR") + .arg("--name-only") + .arg("--cached") + .current_dir(&root) + .output()?; + if !output.status.success() { + Err(format!( + "`git diff --diff-filter=MAR --name-only --cached` exited with {}", + output.status + ))?; + } + for line in String::from_utf8(output.stdout)?.lines() { + run(&format!("git update-index --add {}", root.join(line).to_string_lossy()), ".")?; + } + Ok(()) +} diff --git a/xtask/src/boilerplate_gen.rs b/xtask/src/boilerplate_gen.rs new file mode 100644 index 000000000..39f1cae66 --- /dev/null +++ b/xtask/src/boilerplate_gen.rs @@ -0,0 +1,348 @@ +//! FIXME: write short doc here + +use std::{ + collections::BTreeMap, + fs, + io::Write, + process::{Command, Stdio}, +}; + +use proc_macro2::{Punct, Spacing}; +use quote::{format_ident, quote}; +use ron; +use serde::Deserialize; + +use crate::{project_root, update, Mode, Result, AST, GRAMMAR, SYNTAX_KINDS}; + +pub fn generate_boilerplate(mode: Mode) -> Result<()> { + let grammar = project_root().join(GRAMMAR); + let grammar: Grammar = { + let text = fs::read_to_string(grammar)?; + ron::de::from_str(&text)? + }; + + let syntax_kinds_file = project_root().join(SYNTAX_KINDS); + let syntax_kinds = generate_syntax_kinds(&grammar)?; + update(syntax_kinds_file.as_path(), &syntax_kinds, mode)?; + + let ast_file = project_root().join(AST); + let ast = generate_ast(&grammar)?; + update(ast_file.as_path(), &ast, mode)?; + + Ok(()) +} + +fn generate_ast(grammar: &Grammar) -> Result { + let nodes = grammar.ast.iter().map(|(name, ast_node)| { + let variants = + ast_node.variants.iter().map(|var| format_ident!("{}", var)).collect::>(); + let name = format_ident!("{}", name); + + let adt = if variants.is_empty() { + let kind = format_ident!("{}", to_upper_snake_case(&name.to_string())); + quote! { + #[derive(Debug, Clone, PartialEq, Eq, Hash)] + pub struct #name { + pub(crate) syntax: SyntaxNode, + } + + impl AstNode for #name { + fn can_cast(kind: SyntaxKind) -> bool { + match kind { + #kind => true, + _ => false, + } + } + fn cast(syntax: SyntaxNode) -> Option { + if Self::can_cast(syntax.kind()) { Some(Self { syntax }) } else { None } + } + fn syntax(&self) -> &SyntaxNode { &self.syntax } + } + } + } else { + let kinds = variants + .iter() + .map(|name| format_ident!("{}", to_upper_snake_case(&name.to_string()))) + .collect::>(); + + quote! { + #[derive(Debug, Clone, PartialEq, Eq, Hash)] + pub enum #name { + #(#variants(#variants),)* + } + + #( + impl From<#variants> for #name { + fn from(node: #variants) -> #name { + #name::#variants(node) + } + } + )* + + impl AstNode for #name { + fn can_cast(kind: SyntaxKind) -> bool { + match kind { + #(#kinds)|* => true, + _ => false, + } + } + fn cast(syntax: SyntaxNode) -> Option { + let res = match syntax.kind() { + #( + #kinds => #name::#variants(#variants { syntax }), + )* + _ => return None, + }; + Some(res) + } + fn syntax(&self) -> &SyntaxNode { + match self { + #( + #name::#variants(it) => &it.syntax, + )* + } + } + } + } + }; + + let traits = ast_node.traits.iter().map(|trait_name| { + let trait_name = format_ident!("{}", trait_name); + quote!(impl ast::#trait_name for #name {}) + }); + + let collections = ast_node.collections.iter().map(|(name, kind)| { + let method_name = format_ident!("{}", name); + let kind = format_ident!("{}", kind); + quote! { + pub fn #method_name(&self) -> AstChildren<#kind> { + AstChildren::new(&self.syntax) + } + } + }); + + let options = ast_node.options.iter().map(|attr| { + let method_name = match attr { + Attr::Type(t) => format_ident!("{}", to_lower_snake_case(&t)), + Attr::NameType(n, _) => format_ident!("{}", n), + }; + let ty = match attr { + Attr::Type(t) | Attr::NameType(_, t) => format_ident!("{}", t), + }; + quote! { + pub fn #method_name(&self) -> Option<#ty> { + AstChildren::new(&self.syntax).next() + } + } + }); + + quote! { + #adt + + #(#traits)* + + impl #name { + #(#collections)* + #(#options)* + } + } + }); + + let ast = quote! { + use crate::{ + SyntaxNode, SyntaxKind::{self, *}, + ast::{self, AstNode, AstChildren}, + }; + + #(#nodes)* + }; + + let pretty = reformat(ast)?; + Ok(pretty) +} + +fn generate_syntax_kinds(grammar: &Grammar) -> Result { + let (single_byte_tokens_values, single_byte_tokens): (Vec<_>, Vec<_>) = grammar + .punct + .iter() + .filter(|(token, _name)| token.len() == 1) + .map(|(token, name)| (token.chars().next().unwrap(), format_ident!("{}", name))) + .unzip(); + + let punctuation_values = grammar.punct.iter().map(|(token, _name)| { + if "{}[]()".contains(token) { + let c = token.chars().next().unwrap(); + quote! { #c } + } else { + let cs = token.chars().map(|c| Punct::new(c, Spacing::Joint)); + quote! { #(#cs)* } + } + }); + let punctuation = + grammar.punct.iter().map(|(_token, name)| format_ident!("{}", name)).collect::>(); + + let full_keywords_values = &grammar.keywords; + let full_keywords = + full_keywords_values.iter().map(|kw| format_ident!("{}_KW", to_upper_snake_case(&kw))); + + let all_keywords_values = + grammar.keywords.iter().chain(grammar.contextual_keywords.iter()).collect::>(); + let all_keywords_idents = all_keywords_values.iter().map(|kw| format_ident!("{}", kw)); + let all_keywords = all_keywords_values + .iter() + .map(|name| format_ident!("{}_KW", to_upper_snake_case(&name))) + .collect::>(); + + let literals = + grammar.literals.iter().map(|name| format_ident!("{}", name)).collect::>(); + + let tokens = grammar.tokens.iter().map(|name| format_ident!("{}", name)).collect::>(); + + let nodes = grammar.nodes.iter().map(|name| format_ident!("{}", name)).collect::>(); + + let ast = quote! { + #![allow(bad_style, missing_docs, unreachable_pub)] + /// The kind of syntax node, e.g. `IDENT`, `USE_KW`, or `STRUCT_DEF`. + #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)] + #[repr(u16)] + pub enum SyntaxKind { + // Technical SyntaxKinds: they appear temporally during parsing, + // but never end up in the final tree + #[doc(hidden)] + TOMBSTONE, + #[doc(hidden)] + EOF, + #(#punctuation,)* + #(#all_keywords,)* + #(#literals,)* + #(#tokens,)* + #(#nodes,)* + + // Technical kind so that we can cast from u16 safely + #[doc(hidden)] + __LAST, + } + use self::SyntaxKind::*; + + impl SyntaxKind { + pub fn is_keyword(self) -> bool { + match self { + #(#all_keywords)|* => true, + _ => false, + } + } + + pub fn is_punct(self) -> bool { + match self { + #(#punctuation)|* => true, + _ => false, + } + } + + pub fn is_literal(self) -> bool { + match self { + #(#literals)|* => true, + _ => false, + } + } + + pub fn from_keyword(ident: &str) -> Option { + let kw = match ident { + #(#full_keywords_values => #full_keywords,)* + _ => return None, + }; + Some(kw) + } + + pub fn from_char(c: char) -> Option { + let tok = match c { + #(#single_byte_tokens_values => #single_byte_tokens,)* + _ => return None, + }; + Some(tok) + } + } + + #[macro_export] + macro_rules! T { + #((#punctuation_values) => { $crate::SyntaxKind::#punctuation };)* + #((#all_keywords_idents) => { $crate::SyntaxKind::#all_keywords };)* + } + }; + + reformat(ast) +} + +fn reformat(text: impl std::fmt::Display) -> Result { + let mut rustfmt = Command::new("rustfmt") + .arg("--config-path") + .arg(project_root().join("rustfmt.toml")) + .stdin(Stdio::piped()) + .stdout(Stdio::piped()) + .spawn()?; + write!(rustfmt.stdin.take().unwrap(), "{}", text)?; + let output = rustfmt.wait_with_output()?; + let stdout = String::from_utf8(output.stdout)?; + let preamble = "Generated file, do not edit by hand, see `crate/ra_tools/src/codegen`"; + Ok(format!("//! {}\n\n{}", preamble, stdout)) +} + +#[derive(Deserialize, Debug)] +struct Grammar { + punct: Vec<(String, String)>, + keywords: Vec, + contextual_keywords: Vec, + literals: Vec, + tokens: Vec, + nodes: Vec, + ast: BTreeMap, +} + +#[derive(Deserialize, Debug)] +struct AstNode { + #[serde(default)] + #[serde(rename = "enum")] + variants: Vec, + + #[serde(default)] + traits: Vec, + #[serde(default)] + collections: Vec<(String, String)>, + #[serde(default)] + options: Vec, +} + +#[derive(Deserialize, Debug)] +#[serde(untagged)] +enum Attr { + Type(String), + NameType(String, String), +} + +fn to_upper_snake_case(s: &str) -> String { + let mut buf = String::with_capacity(s.len()); + let mut prev_is_upper = None; + for c in s.chars() { + if c.is_ascii_uppercase() && prev_is_upper == Some(false) { + buf.push('_') + } + prev_is_upper = Some(c.is_ascii_uppercase()); + + buf.push(c.to_ascii_uppercase()); + } + buf +} + +fn to_lower_snake_case(s: &str) -> String { + let mut buf = String::with_capacity(s.len()); + let mut prev_is_upper = None; + for c in s.chars() { + if c.is_ascii_uppercase() && prev_is_upper == Some(false) { + buf.push('_') + } + prev_is_upper = Some(c.is_ascii_uppercase()); + + buf.push(c.to_ascii_lowercase()); + } + buf +} diff --git a/xtask/src/help.rs b/xtask/src/help.rs new file mode 100644 index 000000000..4c6bf6b53 --- /dev/null +++ b/xtask/src/help.rs @@ -0,0 +1,47 @@ +//! FIXME: write short doc here + +pub const GLOBAL_HELP: &str = "tasks + +USAGE: + ra_tools + +FLAGS: + -h, --help Prints help information + +SUBCOMMANDS: + format + format-hook + fuzz-tests + codegen + gen-tests + install + lint"; + +pub const INSTALL_HELP: &str = "ra_tools-install + +USAGE: + ra_tools.exe install [FLAGS] + +FLAGS: + --client-code + -h, --help Prints help information + --jemalloc + --server"; + +pub fn print_no_param_subcommand_help(subcommand: &str) { + eprintln!( + "ra_tools-{} + +USAGE: + ra_tools {} + +FLAGS: + -h, --help Prints help information", + subcommand, subcommand + ); +} + +pub const INSTALL_RA_CONFLICT: &str = + "error: The argument `--server` cannot be used with `--client-code` + +For more information try --help"; diff --git a/xtask/src/lib.rs b/xtask/src/lib.rs new file mode 100644 index 000000000..761592e85 --- /dev/null +++ b/xtask/src/lib.rs @@ -0,0 +1,332 @@ +//! FIXME: write short doc here + +mod boilerplate_gen; + +use std::{ + collections::HashMap, + error::Error, + fs, + io::{Error as IoError, ErrorKind}, + path::{Path, PathBuf}, + process::{Command, Output, Stdio}, +}; + +use itertools::Itertools; + +pub use self::boilerplate_gen::generate_boilerplate; + +pub type Result = std::result::Result>; + +pub const GRAMMAR: &str = "crates/ra_syntax/src/grammar.ron"; +const GRAMMAR_DIR: &str = "crates/ra_parser/src/grammar"; +const OK_INLINE_TESTS_DIR: &str = "crates/ra_syntax/test_data/parser/inline/ok"; +const ERR_INLINE_TESTS_DIR: &str = "crates/ra_syntax/test_data/parser/inline/err"; + +pub const SYNTAX_KINDS: &str = "crates/ra_parser/src/syntax_kind/generated.rs"; +pub const AST: &str = "crates/ra_syntax/src/ast/generated.rs"; +const TOOLCHAIN: &str = "stable"; + +#[derive(Debug, PartialEq, Eq, Clone, Copy)] +pub enum Mode { + Overwrite, + Verify, +} +pub use Mode::*; + +#[derive(Debug)] +pub struct Test { + pub name: String, + pub text: String, + pub ok: bool, +} + +pub fn collect_tests(s: &str) -> Vec<(usize, Test)> { + let mut res = vec![]; + let prefix = "// "; + let comment_blocks = s + .lines() + .map(str::trim_start) + .enumerate() + .group_by(|(_idx, line)| line.starts_with(prefix)); + + 'outer: for (is_comment, block) in comment_blocks.into_iter() { + if !is_comment { + continue; + } + let mut block = block.map(|(idx, line)| (idx, &line[prefix.len()..])); + + let mut ok = true; + let (start_line, name) = loop { + match block.next() { + Some((idx, line)) if line.starts_with("test ") => { + break (idx, line["test ".len()..].to_string()); + } + Some((idx, line)) if line.starts_with("test_err ") => { + ok = false; + break (idx, line["test_err ".len()..].to_string()); + } + Some(_) => (), + None => continue 'outer, + } + }; + let text: String = + itertools::join(block.map(|(_, line)| line).chain(::std::iter::once("")), "\n"); + assert!(!text.trim().is_empty() && text.ends_with('\n')); + res.push((start_line, Test { name, text, ok })) + } + res +} + +pub fn project_root() -> PathBuf { + Path::new(&env!("CARGO_MANIFEST_DIR")).ancestors().nth(1).unwrap().to_path_buf() +} + +pub struct Cmd<'a> { + pub unix: &'a str, + pub windows: &'a str, + pub work_dir: &'a str, +} + +impl Cmd<'_> { + pub fn run(self) -> Result<()> { + if cfg!(windows) { + run(self.windows, self.work_dir) + } else { + run(self.unix, self.work_dir) + } + } + pub fn run_with_output(self) -> Result { + if cfg!(windows) { + run_with_output(self.windows, self.work_dir) + } else { + run_with_output(self.unix, self.work_dir) + } + } +} + +pub fn run(cmdline: &str, dir: &str) -> Result<()> { + do_run(cmdline, dir, |c| { + c.stdout(Stdio::inherit()); + }) + .map(|_| ()) +} + +pub fn run_with_output(cmdline: &str, dir: &str) -> Result { + do_run(cmdline, dir, |_| {}) +} + +pub fn run_rustfmt(mode: Mode) -> Result<()> { + match Command::new("rustup") + .args(&["run", TOOLCHAIN, "--", "cargo", "fmt", "--version"]) + .stderr(Stdio::null()) + .stdout(Stdio::null()) + .status() + { + Ok(status) if status.success() => (), + _ => install_rustfmt()?, + }; + + if mode == Verify { + run(&format!("rustup run {} -- cargo fmt -- --check", TOOLCHAIN), ".")?; + } else { + run(&format!("rustup run {} -- cargo fmt", TOOLCHAIN), ".")?; + } + Ok(()) +} + +pub fn install_rustfmt() -> Result<()> { + run(&format!("rustup install {}", TOOLCHAIN), ".")?; + run(&format!("rustup component add rustfmt --toolchain {}", TOOLCHAIN), ".") +} + +pub fn install_format_hook() -> Result<()> { + let result_path = Path::new(if cfg!(windows) { + "./.git/hooks/pre-commit.exe" + } else { + "./.git/hooks/pre-commit" + }); + if !result_path.exists() { + run("cargo build --package ra_tools --bin pre-commit", ".")?; + if cfg!(windows) { + fs::copy("./target/debug/pre-commit.exe", result_path)?; + } else { + fs::copy("./target/debug/pre-commit", result_path)?; + } + } else { + Err(IoError::new(ErrorKind::AlreadyExists, "Git hook already created"))?; + } + Ok(()) +} + +pub fn run_clippy() -> Result<()> { + match Command::new("rustup") + .args(&["run", TOOLCHAIN, "--", "cargo", "clippy", "--version"]) + .stderr(Stdio::null()) + .stdout(Stdio::null()) + .status() + { + Ok(status) if status.success() => (), + _ => install_clippy()?, + }; + + let allowed_lints = [ + "clippy::collapsible_if", + "clippy::map_clone", // FIXME: remove when Iterator::copied stabilizes (1.36.0) + "clippy::needless_pass_by_value", + "clippy::nonminimal_bool", + "clippy::redundant_pattern_matching", + ]; + run( + &format!( + "rustup run {} -- cargo clippy --all-features --all-targets -- -A {}", + TOOLCHAIN, + allowed_lints.join(" -A ") + ), + ".", + )?; + Ok(()) +} + +pub fn install_clippy() -> Result<()> { + run(&format!("rustup install {}", TOOLCHAIN), ".")?; + run(&format!("rustup component add clippy --toolchain {}", TOOLCHAIN), ".") +} + +pub fn run_fuzzer() -> Result<()> { + match Command::new("cargo") + .args(&["fuzz", "--help"]) + .stderr(Stdio::null()) + .stdout(Stdio::null()) + .status() + { + Ok(status) if status.success() => (), + _ => run("cargo install cargo-fuzz", ".")?, + }; + + run("rustup run nightly -- cargo fuzz run parser", "./crates/ra_syntax") +} + +pub fn gen_tests(mode: Mode) -> Result<()> { + let tests = tests_from_dir(&project_root().join(Path::new(GRAMMAR_DIR)))?; + fn install_tests(tests: &HashMap, into: &str, mode: Mode) -> Result<()> { + let tests_dir = project_root().join(into); + if !tests_dir.is_dir() { + fs::create_dir_all(&tests_dir)?; + } + // ok is never actually read, but it needs to be specified to create a Test in existing_tests + let existing = existing_tests(&tests_dir, true)?; + for t in existing.keys().filter(|&t| !tests.contains_key(t)) { + panic!("Test is deleted: {}", t); + } + + let mut new_idx = existing.len() + 1; + for (name, test) in tests { + let path = match existing.get(name) { + Some((path, _test)) => path.clone(), + None => { + let file_name = format!("{:04}_{}.rs", new_idx, name); + new_idx += 1; + tests_dir.join(file_name) + } + }; + update(&path, &test.text, mode)?; + } + Ok(()) + } + install_tests(&tests.ok, OK_INLINE_TESTS_DIR, mode)?; + install_tests(&tests.err, ERR_INLINE_TESTS_DIR, mode) +} + +fn do_run(cmdline: &str, dir: &str, mut f: F) -> Result +where + F: FnMut(&mut Command), +{ + eprintln!("\nwill run: {}", cmdline); + let proj_dir = project_root().join(dir); + let mut args = cmdline.split_whitespace(); + let exec = args.next().unwrap(); + let mut cmd = Command::new(exec); + f(cmd.args(args).current_dir(proj_dir).stderr(Stdio::inherit())); + let output = cmd.output()?; + if !output.status.success() { + Err(format!("`{}` exited with {}", cmdline, output.status))?; + } + Ok(output) +} + +#[derive(Default, Debug)] +struct Tests { + pub ok: HashMap, + pub err: HashMap, +} + +fn tests_from_dir(dir: &Path) -> Result { + let mut res = Tests::default(); + for entry in ::walkdir::WalkDir::new(dir) { + let entry = entry.unwrap(); + if !entry.file_type().is_file() { + continue; + } + if entry.path().extension().unwrap_or_default() != "rs" { + continue; + } + process_file(&mut res, entry.path())?; + } + let grammar_rs = dir.parent().unwrap().join("grammar.rs"); + process_file(&mut res, &grammar_rs)?; + return Ok(res); + fn process_file(res: &mut Tests, path: &Path) -> Result<()> { + let text = fs::read_to_string(path)?; + + for (_, test) in collect_tests(&text) { + if test.ok { + if let Some(old_test) = res.ok.insert(test.name.clone(), test) { + Err(format!("Duplicate test: {}", old_test.name))? + } + } else { + if let Some(old_test) = res.err.insert(test.name.clone(), test) { + Err(format!("Duplicate test: {}", old_test.name))? + } + } + } + Ok(()) + } +} + +fn existing_tests(dir: &Path, ok: bool) -> Result> { + let mut res = HashMap::new(); + for file in fs::read_dir(dir)? { + let file = file?; + let path = file.path(); + if path.extension().unwrap_or_default() != "rs" { + continue; + } + let name = { + let file_name = path.file_name().unwrap().to_str().unwrap(); + file_name[5..file_name.len() - 3].to_string() + }; + let text = fs::read_to_string(&path)?; + let test = Test { name: name.clone(), text, ok }; + if let Some(old) = res.insert(name, (path, test)) { + println!("Duplicate test: {:?}", old); + } + } + Ok(res) +} + +/// A helper to update file on disk if it has changed. +/// With verify = false, +pub fn update(path: &Path, contents: &str, mode: Mode) -> Result<()> { + match fs::read_to_string(path) { + Ok(ref old_contents) if old_contents == contents => { + return Ok(()); + } + _ => (), + } + if mode == Verify { + Err(format!("`{}` is not up-to-date", path.display()))?; + } + eprintln!("updating {}", path.display()); + fs::write(path, contents)?; + Ok(()) +} diff --git a/xtask/src/main.rs b/xtask/src/main.rs new file mode 100644 index 000000000..623058436 --- /dev/null +++ b/xtask/src/main.rs @@ -0,0 +1,218 @@ +//! FIXME: write short doc here + +mod help; + +use core::fmt::Write; +use core::str; +use pico_args::Arguments; +use std::{env, path::PathBuf}; +use xtask::{ + gen_tests, generate_boilerplate, install_format_hook, run, run_clippy, run_fuzzer, run_rustfmt, + Cmd, Overwrite, Result, +}; + +struct InstallOpt { + client: Option, + server: Option, +} + +enum ClientOpt { + VsCode, +} + +struct ServerOpt { + jemalloc: bool, +} + +fn main() -> Result<()> { + let subcommand = match std::env::args_os().nth(1) { + None => { + eprintln!("{}", help::GLOBAL_HELP); + return Ok(()); + } + Some(s) => s, + }; + let mut matches = Arguments::from_vec(std::env::args_os().skip(2).collect()); + let subcommand = &*subcommand.to_string_lossy(); + match subcommand { + "install" => { + if matches.contains(["-h", "--help"]) { + eprintln!("{}", help::INSTALL_HELP); + return Ok(()); + } + let server = matches.contains("--server"); + let client_code = matches.contains("--client-code"); + if server && client_code { + eprintln!("{}", help::INSTALL_RA_CONFLICT); + return Ok(()); + } + let jemalloc = matches.contains("--jemalloc"); + matches.finish().or_else(handle_extra_flags)?; + let opts = InstallOpt { + client: if server { None } else { Some(ClientOpt::VsCode) }, + server: if client_code { None } else { Some(ServerOpt { jemalloc: jemalloc }) }, + }; + install(opts)? + } + "gen-tests" => { + if matches.contains(["-h", "--help"]) { + help::print_no_param_subcommand_help(&subcommand); + return Ok(()); + } + gen_tests(Overwrite)? + } + "codegen" => { + if matches.contains(["-h", "--help"]) { + help::print_no_param_subcommand_help(&subcommand); + return Ok(()); + } + generate_boilerplate(Overwrite)? + } + "format" => { + if matches.contains(["-h", "--help"]) { + help::print_no_param_subcommand_help(&subcommand); + return Ok(()); + } + run_rustfmt(Overwrite)? + } + "format-hook" => { + if matches.contains(["-h", "--help"]) { + help::print_no_param_subcommand_help(&subcommand); + return Ok(()); + } + install_format_hook()? + } + "lint" => { + if matches.contains(["-h", "--help"]) { + help::print_no_param_subcommand_help(&subcommand); + return Ok(()); + } + run_clippy()? + } + "fuzz-tests" => { + if matches.contains(["-h", "--help"]) { + help::print_no_param_subcommand_help(&subcommand); + return Ok(()); + } + run_fuzzer()? + } + _ => eprintln!("{}", help::GLOBAL_HELP), + } + Ok(()) +} + +fn handle_extra_flags(e: pico_args::Error) -> Result<()> { + if let pico_args::Error::UnusedArgsLeft(flags) = e { + let mut invalid_flags = String::new(); + for flag in flags { + write!(&mut invalid_flags, "{}, ", flag)?; + } + let (invalid_flags, _) = invalid_flags.split_at(invalid_flags.len() - 2); + Err(format!("Invalid flags: {}", invalid_flags).into()) + } else { + Err(e.to_string().into()) + } +} + +fn install(opts: InstallOpt) -> Result<()> { + if cfg!(target_os = "macos") { + fix_path_for_mac()? + } + if let Some(server) = opts.server { + install_server(server)?; + } + if let Some(client) = opts.client { + install_client(client)?; + } + Ok(()) +} + +fn fix_path_for_mac() -> Result<()> { + let mut vscode_path: Vec = { + const COMMON_APP_PATH: &str = + r"/Applications/Visual Studio Code.app/Contents/Resources/app/bin"; + const ROOT_DIR: &str = ""; + let home_dir = match env::var("HOME") { + Ok(home) => home, + Err(e) => Err(format!("Failed getting HOME from environment with error: {}.", e))?, + }; + + [ROOT_DIR, &home_dir] + .iter() + .map(|dir| String::from(*dir) + COMMON_APP_PATH) + .map(PathBuf::from) + .filter(|path| path.exists()) + .collect() + }; + + if !vscode_path.is_empty() { + let vars = match env::var_os("PATH") { + Some(path) => path, + None => Err("Could not get PATH variable from env.")?, + }; + + let mut paths = env::split_paths(&vars).collect::>(); + paths.append(&mut vscode_path); + let new_paths = env::join_paths(paths)?; + env::set_var("PATH", &new_paths); + } + + Ok(()) +} + +fn install_client(ClientOpt::VsCode: ClientOpt) -> Result<()> { + Cmd { unix: r"npm ci", windows: r"cmd.exe /c npm.cmd ci", work_dir: "./editors/code" }.run()?; + Cmd { + unix: r"npm run package", + windows: r"cmd.exe /c npm.cmd run package", + work_dir: "./editors/code", + } + .run()?; + + let code_binary = ["code", "code-insiders", "codium"].iter().find(|bin| { + Cmd { + unix: &format!("{} --version", bin), + windows: &format!("cmd.exe /c {}.cmd --version", bin), + work_dir: "./editors/code", + } + .run() + .is_ok() + }); + + let code_binary = match code_binary { + Some(it) => it, + None => Err("Can't execute `code --version`. Perhaps it is not in $PATH?")?, + }; + + Cmd { + unix: &format!(r"{} --install-extension ./ra-lsp-0.0.1.vsix --force", code_binary), + windows: &format!( + r"cmd.exe /c {}.cmd --install-extension ./ra-lsp-0.0.1.vsix --force", + code_binary + ), + work_dir: "./editors/code", + } + .run()?; + + let output = Cmd { + unix: &format!(r"{} --list-extensions", code_binary), + windows: &format!(r"cmd.exe /c {}.cmd --list-extensions", code_binary), + work_dir: ".", + } + .run_with_output()?; + + if !str::from_utf8(&output.stdout)?.contains("ra-lsp") { + Err("Could not install the Visual Studio Code extension. \ + Please make sure you have at least NodeJS 10.x installed and try again.")?; + } + + Ok(()) +} + +fn install_server(opts: ServerOpt) -> Result<()> { + if opts.jemalloc { + run("cargo install --path crates/ra_lsp_server --locked --force --features jemalloc", ".") + } else { + run("cargo install --path crates/ra_lsp_server --locked --force", ".") + } +} -- cgit v1.2.3