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7ac9d337dc
Remove not(stage0) from deny(warnings) Historically this was done to accommodate bugs in lints, but there hasn't been a bug in a lint since this feature was added which the warnings affected. Let's completely purge warnings from all our stages by denying warnings in all stages. This will also assist in tracking down `stage0` code to be removed whenever we're updating the bootstrap compiler.
119 lines
3.6 KiB
Rust
119 lines
3.6 KiB
Rust
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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//! Syntax extensions in the Rust compiler.
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#![crate_name = "syntax_ext"]
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#![unstable(feature = "rustc_private", issue = "27812")]
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#![crate_type = "dylib"]
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#![crate_type = "rlib"]
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#![doc(html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
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html_favicon_url = "https://doc.rust-lang.org/favicon.ico",
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html_root_url = "https://doc.rust-lang.org/nightly/")]
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#![deny(warnings)]
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#![feature(proc_macro_internals)]
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#![feature(rustc_private)]
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#![feature(staged_api)]
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extern crate fmt_macros;
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#[macro_use]
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extern crate log;
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#[macro_use]
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extern crate syntax;
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extern crate syntax_pos;
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extern crate proc_macro;
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extern crate rustc_errors as errors;
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mod asm;
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mod cfg;
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mod concat;
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mod concat_idents;
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mod env;
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mod format;
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mod format_foreign;
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mod log_syntax;
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mod trace_macros;
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pub mod proc_macro_registrar;
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// for custom_derive
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pub mod deriving;
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use std::rc::Rc;
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use syntax::ast;
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use syntax::ext::base::{MacroExpanderFn, NormalTT, MultiModifier, NamedSyntaxExtension};
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use syntax::symbol::Symbol;
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pub fn register_builtins(resolver: &mut syntax::ext::base::Resolver,
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user_exts: Vec<NamedSyntaxExtension>,
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enable_quotes: bool) {
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let mut register = |name, ext| {
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resolver.add_ext(ast::Ident::with_empty_ctxt(name), Rc::new(ext));
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};
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macro_rules! register {
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($( $name:ident: $f:expr, )*) => { $(
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register(Symbol::intern(stringify!($name)),
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NormalTT(Box::new($f as MacroExpanderFn), None, false));
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)* }
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}
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if enable_quotes {
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use syntax::ext::quote::*;
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register! {
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quote_tokens: expand_quote_tokens,
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quote_expr: expand_quote_expr,
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quote_ty: expand_quote_ty,
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quote_item: expand_quote_item,
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quote_pat: expand_quote_pat,
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quote_arm: expand_quote_arm,
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quote_stmt: expand_quote_stmt,
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quote_matcher: expand_quote_matcher,
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quote_attr: expand_quote_attr,
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quote_arg: expand_quote_arg,
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quote_block: expand_quote_block,
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quote_meta_item: expand_quote_meta_item,
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quote_path: expand_quote_path,
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}
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}
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use syntax::ext::source_util::*;
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register! {
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line: expand_line,
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column: expand_column,
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file: expand_file,
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stringify: expand_stringify,
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include: expand_include,
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include_str: expand_include_str,
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include_bytes: expand_include_bytes,
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module_path: expand_mod,
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asm: asm::expand_asm,
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cfg: cfg::expand_cfg,
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concat: concat::expand_syntax_ext,
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concat_idents: concat_idents::expand_syntax_ext,
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env: env::expand_env,
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option_env: env::expand_option_env,
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log_syntax: log_syntax::expand_syntax_ext,
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trace_macros: trace_macros::expand_trace_macros,
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}
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// format_args uses `unstable` things internally.
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register(Symbol::intern("format_args"),
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NormalTT(Box::new(format::expand_format_args), None, true));
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register(Symbol::intern("derive"), MultiModifier(Box::new(deriving::expand_derive)));
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for (name, ext) in user_exts {
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register(name, ext);
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}
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}
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