1 //! This crate contains implementations of built-in macros and other code generating facilities
2 //! injecting code into the crate before it is lowered to HIR.
4 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/")]
6 #![feature(crate_visibility_modifier)]
7 #![feature(decl_macro)]
9 #![feature(proc_macro_internals)]
10 #![feature(proc_macro_quote)]
12 extern crate proc_macro;
14 use crate::deriving::*;
16 use syntax::ast::Ident;
17 use syntax::edition::Edition;
18 use syntax::symbol::sym;
19 use syntax_expand::base::{Resolver, SyntaxExtension, SyntaxExtensionKind, MacroExpanderFn};
20 use syntax_expand::proc_macro::BangProcMacro;
40 pub mod cmdline_attrs;
41 pub mod proc_macro_harness;
42 pub mod standard_library_imports;
45 pub fn register_builtin_macros(resolver: &mut dyn Resolver, edition: Edition) {
46 let mut register = |name, kind| resolver.register_builtin_macro(
47 Ident::with_dummy_span(name), SyntaxExtension {
48 is_builtin: true, ..SyntaxExtension::default(kind, edition)
51 macro register_bang($($name:ident: $f:expr,)*) {
52 $(register(sym::$name, SyntaxExtensionKind::LegacyBang(Box::new($f as MacroExpanderFn)));)*
54 macro register_attr($($name:ident: $f:expr,)*) {
55 $(register(sym::$name, SyntaxExtensionKind::LegacyAttr(Box::new($f)));)*
57 macro register_derive($($name:ident: $f:expr,)*) {
58 $(register(sym::$name, SyntaxExtensionKind::LegacyDerive(Box::new(BuiltinDerive($f))));)*
63 assert: assert::expand_assert,
65 column: source_util::expand_column,
66 compile_error: compile_error::expand_compile_error,
67 concat_idents: concat_idents::expand_concat_idents,
68 concat: concat::expand_concat,
70 file: source_util::expand_file,
71 format_args_nl: format::expand_format_args_nl,
72 format_args: format::expand_format_args,
73 global_asm: global_asm::expand_global_asm,
74 include_bytes: source_util::expand_include_bytes,
75 include_str: source_util::expand_include_str,
76 include: source_util::expand_include,
77 line: source_util::expand_line,
78 log_syntax: log_syntax::expand_log_syntax,
79 module_path: source_util::expand_mod,
80 option_env: env::expand_option_env,
81 stringify: source_util::expand_stringify,
82 trace_macros: trace_macros::expand_trace_macros,
86 bench: test::expand_bench,
87 global_allocator: global_allocator::expand,
88 test: test::expand_test,
89 test_case: test::expand_test_case,
93 Clone: clone::expand_deriving_clone,
94 Copy: bounds::expand_deriving_copy,
95 Debug: debug::expand_deriving_debug,
96 Default: default::expand_deriving_default,
97 Eq: eq::expand_deriving_eq,
98 Hash: hash::expand_deriving_hash,
99 Ord: ord::expand_deriving_ord,
100 PartialEq: partial_eq::expand_deriving_partial_eq,
101 PartialOrd: partial_ord::expand_deriving_partial_ord,
102 RustcDecodable: decodable::expand_deriving_rustc_decodable,
103 RustcEncodable: encodable::expand_deriving_rustc_encodable,
106 let client = proc_macro::bridge::client::Client::expand1(proc_macro::quote);
107 register(sym::quote, SyntaxExtensionKind::Bang(Box::new(BangProcMacro { client })));