Crate rustc_builtin_macros

Expand description

This crate contains implementations of built-in macros and other code generating facilities injecting code into the crate before it is lowered to HIR.

Modules

asm

assert 🔒

cfg 🔒

The compiler code necessary to support the cfg! extension, which expands to a literal true or false based on whether the given cfg matches the current compilation environment.

cfg_accessible 🔒

Implementation of the #[cfg_accessible(path)] attribute macro.

cfg_eval 🔒

cmdline_attrs

Attributes injected into the crate root from command line using -Z crate-attr.

compile_error 🔒

concat 🔒

concat_bytes 🔒

concat_idents 🔒

derive 🔒

deriving 🔒

The compiler code necessary to implement the #[derive] extensions.