diff options
Diffstat (limited to 'compiler/rustc_interface')
| -rw-r--r-- | compiler/rustc_interface/src/passes.rs | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs index 66e1e78b285..c0552fd200b 100644 --- a/compiler/rustc_interface/src/passes.rs +++ b/compiler/rustc_interface/src/passes.rs @@ -393,8 +393,18 @@ pub fn configure_and_expand( }); let crate_types = sess.crate_types(); + let is_executable_crate = crate_types.contains(&CrateType::Executable); let is_proc_macro_crate = crate_types.contains(&CrateType::ProcMacro); + if crate_types.len() > 1 { + if is_executable_crate { + sess.err("cannot mix `bin` crate type with others"); + } + if is_proc_macro_crate { + sess.err("cannot mix `proc-macro` crate type with others"); + } + } + // For backwards compatibility, we don't try to run proc macro injection // if rustdoc is run on a proc macro crate without '--crate-type proc-macro' being // specified. This should only affect users who manually invoke 'rustdoc', as @@ -411,7 +421,6 @@ pub fn configure_and_expand( msg.emit() } else { krate = sess.time("maybe_create_a_macro_crate", || { - let num_crate_types = crate_types.len(); let is_test_crate = sess.opts.test; rustc_builtin_macros::proc_macro_harness::inject( sess, @@ -420,7 +429,6 @@ pub fn configure_and_expand( is_proc_macro_crate, has_proc_macro_decls, is_test_crate, - num_crate_types, sess.diagnostic(), ) }); |