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-rw-r--r--crates/hir_expand/src/builtin_macro.rs15
-rw-r--r--crates/hir_expand/src/name.rs2
2 files changed, 17 insertions, 0 deletions
diff --git a/crates/hir_expand/src/builtin_macro.rs b/crates/hir_expand/src/builtin_macro.rs
index 8db8c7d0c..b1b432ded 100644
--- a/crates/hir_expand/src/builtin_macro.rs
+++ b/crates/hir_expand/src/builtin_macro.rs
@@ -95,6 +95,8 @@ register_builtin! {
95 // format_args_nl only differs in that it adds a newline in the end, 95 // format_args_nl only differs in that it adds a newline in the end,
96 // so we use the same stub expansion for now 96 // so we use the same stub expansion for now
97 (format_args_nl, FormatArgsNl) => format_args_expand, 97 (format_args_nl, FormatArgsNl) => format_args_expand,
98 (llvm_asm, LlvmAsm) => asm_expand,
99 (asm, Asm) => asm_expand,
98 100
99 EAGER: 101 EAGER:
100 (compile_error, CompileError) => compile_error_expand, 102 (compile_error, CompileError) => compile_error_expand,
@@ -271,6 +273,19 @@ fn format_args_expand(
271 ExpandResult::ok(expanded) 273 ExpandResult::ok(expanded)
272} 274}
273 275
276fn asm_expand(
277 _db: &dyn AstDatabase,
278 _id: LazyMacroId,
279 _tt: &tt::Subtree,
280) -> ExpandResult<tt::Subtree> {
281 // both asm and llvm_asm don't return anything, so we can expand them to nothing,
282 // for now
283 let expanded = quote! {
284 ()
285 };
286 ExpandResult::ok(expanded)
287}
288
274fn unquote_str(lit: &tt::Literal) -> Option<String> { 289fn unquote_str(lit: &tt::Literal) -> Option<String> {
275 let lit = ast::make::tokens::literal(&lit.to_string()); 290 let lit = ast::make::tokens::literal(&lit.to_string());
276 let token = ast::String::cast(lit)?; 291 let token = ast::String::cast(lit)?;
diff --git a/crates/hir_expand/src/name.rs b/crates/hir_expand/src/name.rs
index 6ec5ca0a9..69d8e6803 100644
--- a/crates/hir_expand/src/name.rs
+++ b/crates/hir_expand/src/name.rs
@@ -199,6 +199,8 @@ pub mod known {
199 format_args_nl, 199 format_args_nl,
200 env, 200 env,
201 option_env, 201 option_env,
202 llvm_asm,
203 asm,
202 // Builtin derives 204 // Builtin derives
203 Copy, 205 Copy,
204 Clone, 206 Clone,