| //! This crate contains implementations of built-in macros and other code generating facilities |
| //! injecting code into the crate before it is lowered to HIR. |
| |
| #![doc(html_root_url = "https://doc.rust-lang.org/nightly/")] |
| |
| #![feature(crate_visibility_modifier)] |
| #![feature(decl_macro)] |
| #![feature(mem_take)] |
| #![feature(nll)] |
| #![feature(proc_macro_internals)] |
| #![feature(proc_macro_quote)] |
| |
| extern crate proc_macro; |
| |
| use crate::deriving::*; |
| |
| use syntax::ast::Ident; |
| use syntax::edition::Edition; |
| use syntax::ext::base::{SyntaxExtension, SyntaxExtensionKind, MacroExpanderFn}; |
| use syntax::ext::proc_macro::BangProcMacro; |
| use syntax::symbol::sym; |
| |
| mod error_codes; |
| |
| mod asm; |
| mod assert; |
| mod cfg; |
| mod compile_error; |
| mod concat; |
| mod concat_idents; |
| mod deriving; |
| mod env; |
| mod format; |
| mod format_foreign; |
| mod global_allocator; |
| mod global_asm; |
| mod log_syntax; |
| mod source_util; |
| mod test; |
| mod trace_macros; |
| |
| pub mod cmdline_attrs; |
| pub mod plugin_macro_defs; |
| pub mod proc_macro_harness; |
| pub mod standard_library_imports; |
| pub mod test_harness; |
| |
| pub fn register_builtin_macros(resolver: &mut dyn syntax::ext::base::Resolver, edition: Edition) { |
| let mut register = |name, kind| resolver.register_builtin_macro( |
| Ident::with_dummy_span(name), SyntaxExtension { |
| is_builtin: true, ..SyntaxExtension::default(kind, edition) |
| }, |
| ); |
| macro register_bang($($name:ident: $f:expr,)*) { |
| $(register(sym::$name, SyntaxExtensionKind::LegacyBang(Box::new($f as MacroExpanderFn)));)* |
| } |
| macro register_attr($($name:ident: $f:expr,)*) { |
| $(register(sym::$name, SyntaxExtensionKind::LegacyAttr(Box::new($f)));)* |
| } |
| macro register_derive($($name:ident: $f:expr,)*) { |
| $(register(sym::$name, SyntaxExtensionKind::LegacyDerive(Box::new(BuiltinDerive($f))));)* |
| } |
| |
| register_bang! { |
| asm: asm::expand_asm, |
| assert: assert::expand_assert, |
| cfg: cfg::expand_cfg, |
| column: source_util::expand_column, |
| compile_error: compile_error::expand_compile_error, |
| concat_idents: concat_idents::expand_concat_idents, |
| concat: concat::expand_concat, |
| env: env::expand_env, |
| file: source_util::expand_file, |
| format_args_nl: format::expand_format_args_nl, |
| format_args: format::expand_format_args, |
| global_asm: global_asm::expand_global_asm, |
| include_bytes: source_util::expand_include_bytes, |
| include_str: source_util::expand_include_str, |
| include: source_util::expand_include, |
| line: source_util::expand_line, |
| log_syntax: log_syntax::expand_log_syntax, |
| module_path: source_util::expand_mod, |
| option_env: env::expand_option_env, |
| stringify: source_util::expand_stringify, |
| trace_macros: trace_macros::expand_trace_macros, |
| } |
| |
| register_attr! { |
| bench: test::expand_bench, |
| global_allocator: global_allocator::expand, |
| test: test::expand_test, |
| test_case: test::expand_test_case, |
| } |
| |
| register_derive! { |
| Clone: clone::expand_deriving_clone, |
| Copy: bounds::expand_deriving_copy, |
| Debug: debug::expand_deriving_debug, |
| Default: default::expand_deriving_default, |
| Eq: eq::expand_deriving_eq, |
| Hash: hash::expand_deriving_hash, |
| Ord: ord::expand_deriving_ord, |
| PartialEq: partial_eq::expand_deriving_partial_eq, |
| PartialOrd: partial_ord::expand_deriving_partial_ord, |
| RustcDecodable: decodable::expand_deriving_rustc_decodable, |
| RustcEncodable: encodable::expand_deriving_rustc_encodable, |
| } |
| |
| let client = proc_macro::bridge::client::Client::expand1(proc_macro::quote); |
| register(sym::quote, SyntaxExtensionKind::Bang(Box::new(BangProcMacro { client }))); |
| } |