rustc_builtin_macros/
lib.rs1#![allow(internal_features)]
6#![allow(rustc::diagnostic_outside_of_impl)]
7#![allow(rustc::untranslatable_diagnostic)]
8#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
9#![doc(rust_logo)]
10#![feature(assert_matches)]
11#![feature(autodiff)]
12#![feature(box_patterns)]
13#![feature(decl_macro)]
14#![feature(if_let_guard)]
15#![feature(proc_macro_internals)]
16#![feature(proc_macro_quote)]
17#![feature(rustdoc_internals)]
18#![feature(try_blocks)]
19#![recursion_limit = "256"]
20use std::sync::Arc;
23
24use rustc_expand::base::{MacroExpanderFn, ResolverExpand, SyntaxExtensionKind};
25use rustc_expand::proc_macro::BangProcMacro;
26use rustc_span::sym;
27
28use crate::deriving::*;
29
30mod alloc_error_handler;
31mod assert;
32mod autodiff;
33mod cfg;
34mod cfg_accessible;
35mod cfg_eval;
36mod cfg_select;
37mod compile_error;
38mod concat;
39mod concat_bytes;
40mod define_opaque;
41mod derive;
42mod deriving;
43mod edition_panic;
44mod env;
45mod errors;
46mod format;
47mod format_foreign;
48mod global_allocator;
49mod iter;
50mod log_syntax;
51mod pattern_type;
52mod source_util;
53mod test;
54mod trace_macros;
55
56pub mod asm;
57pub mod cmdline_attrs;
58pub mod contracts;
59pub mod proc_macro_harness;
60pub mod standard_library_imports;
61pub mod test_harness;
62pub mod util;
63
64rustc_fluent_macro::fluent_messages! { "../messages.ftl" }
65
66pub fn register_builtin_macros(resolver: &mut dyn ResolverExpand) {
67 let mut register = |name, kind| resolver.register_builtin_macro(name, kind);
68 macro register_bang($($name:ident: $f:expr,)*) {
69 $(register(sym::$name, SyntaxExtensionKind::LegacyBang(Arc::new($f as MacroExpanderFn)));)*
70 }
71 macro register_attr($($name:ident: $f:expr,)*) {
72 $(register(sym::$name, SyntaxExtensionKind::LegacyAttr(Arc::new($f)));)*
73 }
74 macro register_derive($($name:ident: $f:expr,)*) {
75 $(register(sym::$name, SyntaxExtensionKind::LegacyDerive(Arc::new(BuiltinDerive($f))));)*
76 }
77
78 register_bang! {
79 asm: asm::expand_asm,
81 assert: assert::expand_assert,
82 cfg: cfg::expand_cfg,
83 cfg_select: cfg_select::expand_cfg_select,
84 column: source_util::expand_column,
85 compile_error: compile_error::expand_compile_error,
86 concat: concat::expand_concat,
87 concat_bytes: concat_bytes::expand_concat_bytes,
88 const_format_args: format::expand_format_args,
89 core_panic: edition_panic::expand_panic,
90 env: env::expand_env,
91 file: source_util::expand_file,
92 format_args: format::expand_format_args,
93 format_args_nl: format::expand_format_args_nl,
94 global_asm: asm::expand_global_asm,
95 include: source_util::expand_include,
96 include_bytes: source_util::expand_include_bytes,
97 include_str: source_util::expand_include_str,
98 iter: iter::expand,
99 line: source_util::expand_line,
100 log_syntax: log_syntax::expand_log_syntax,
101 module_path: source_util::expand_mod,
102 naked_asm: asm::expand_naked_asm,
103 option_env: env::expand_option_env,
104 pattern_type: pattern_type::expand,
105 std_panic: edition_panic::expand_panic,
106 stringify: source_util::expand_stringify,
107 trace_macros: trace_macros::expand_trace_macros,
108 unreachable: edition_panic::expand_unreachable,
109 }
111
112 register_attr! {
113 alloc_error_handler: alloc_error_handler::expand,
115 autodiff_forward: autodiff::expand_forward,
116 autodiff_reverse: autodiff::expand_reverse,
117 bench: test::expand_bench,
118 cfg_accessible: cfg_accessible::Expander,
119 cfg_eval: cfg_eval::expand,
120 define_opaque: define_opaque::expand,
121 derive: derive::Expander { is_const: false },
122 derive_const: derive::Expander { is_const: true },
123 global_allocator: global_allocator::expand,
124 test: test::expand_test,
125 test_case: test::expand_test_case,
126 }
128
129 register_derive! {
130 Clone: clone::expand_deriving_clone,
131 Copy: bounds::expand_deriving_copy,
132 ConstParamTy: bounds::expand_deriving_const_param_ty,
133 UnsizedConstParamTy: bounds::expand_deriving_unsized_const_param_ty,
134 Debug: debug::expand_deriving_debug,
135 Default: default::expand_deriving_default,
136 Eq: eq::expand_deriving_eq,
137 Hash: hash::expand_deriving_hash,
138 Ord: ord::expand_deriving_ord,
139 PartialEq: partial_eq::expand_deriving_partial_eq,
140 PartialOrd: partial_ord::expand_deriving_partial_ord,
141 CoercePointee: coerce_pointee::expand_deriving_coerce_pointee,
142 }
143
144 let client = rustc_proc_macro::bridge::client::Client::expand1(rustc_proc_macro::quote);
145 register(sym::quote, SyntaxExtensionKind::Bang(Arc::new(BangProcMacro { client })));
146 let requires = SyntaxExtensionKind::Attr(Arc::new(contracts::ExpandRequires));
147 register(sym::contracts_requires, requires);
148 let ensures = SyntaxExtensionKind::Attr(Arc::new(contracts::ExpandEnsures));
149 register(sym::contracts_ensures, ensures);
150}