Add Definition kind for asm register operand

crates/ide-db/src/defs.rs

@@ -51,6 +51,7 @@ pub enum Definition {
     ToolModule(ToolModule),
     ExternCrateDecl(ExternCrateDecl),
     InlineAsmRegOrRegClass(()),
+    InlineAsmRegOperand(()),
 }
 
 impl Definition {
@@ -89,7 +90,8 @@ impl Definition {
             | Definition::BuiltinLifetime(_)
             | Definition::TupleField(_)
             | Definition::ToolModule(_)
-            | Definition::InlineAsmRegOrRegClass(_) => return None,
+            | Definition::InlineAsmRegOrRegClass(_)
+            | Definition::InlineAsmRegOperand(_) => return None,
         };
         Some(module)
     }
@@ -124,7 +126,8 @@ impl Definition {
             | Definition::GenericParam(_)
             | Definition::Label(_)
             | Definition::DeriveHelper(_)
-            | Definition::InlineAsmRegOrRegClass(_) => return None,
+            | Definition::InlineAsmRegOrRegClass(_)
+            | Definition::InlineAsmRegOperand(_) => return None,
         };
         Some(vis)
     }
@@ -153,7 +156,9 @@ impl Definition {
             Definition::ToolModule(_) => return None,  // FIXME
             Definition::DeriveHelper(it) => it.name(db),
             Definition::ExternCrateDecl(it) => return it.alias_or_name(db),
-            Definition::InlineAsmRegOrRegClass(_) => return None, //  FIXME
+            Definition::InlineAsmRegOrRegClass(_) | Definition::InlineAsmRegOperand(_) => {
+                return None
+            } //  FIXME
         };
         Some(name)
     }
@@ -216,7 +221,7 @@ impl Definition {
             Definition::ToolModule(_) => None,
             Definition::DeriveHelper(_) => None,
             Definition::TupleField(_) => None,
-            Definition::InlineAsmRegOrRegClass(_) => None,
+            Definition::InlineAsmRegOrRegClass(_) | Definition::InlineAsmRegOperand(_) => None,
         };
 
         docs.or_else(|| {
@@ -275,6 +280,7 @@ impl Definition {
             }
             // FIXME
             Definition::InlineAsmRegOrRegClass(_) => "inline_asm_reg_or_reg_class".to_owned(),
+            Definition::InlineAsmRegOperand(_) => "inline_asm_reg_operand".to_owned(),
         }
     }
 }
@@ -706,6 +712,9 @@ impl NameRefClass {
                         NameRefClass::ExternCrateShorthand { krate, decl: extern_crate }
                     })
                 },
+                ast::AsmRegSpec(_) => {
+                    Some(NameRefClass::Definition(Definition::InlineAsmRegOrRegClass(())))
+                },
                 _ => None
             }
         }

crates/ide-db/src/rename.rs

@@ -207,6 +207,8 @@ impl Definition {
             | Definition::ToolModule(_)
             | Definition::TupleField(_)
             | Definition::InlineAsmRegOrRegClass(_) => return None,
+            // FIXME:
+            Definition::InlineAsmRegOperand(_) => return None,
             // FIXME: This should be doable in theory
             Definition::DeriveHelper(_) => return None,
         };

crates/ide/src/doc_links.rs

@@ -220,7 +220,8 @@ pub(crate) fn resolve_doc_path_for_def(
         | Definition::GenericParam(_)
         | Definition::Label(_)
         | Definition::DeriveHelper(_)
-        | Definition::InlineAsmRegOrRegClass(_) => None,
+        | Definition::InlineAsmRegOrRegClass(_)
+        | Definition::InlineAsmRegOperand(_) => None,
     }
     .map(Definition::from)
 }
@@ -674,7 +675,8 @@ fn filename_and_frag_for_def(
         | Definition::BuiltinLifetime(_)
         | Definition::ToolModule(_)
         | Definition::DeriveHelper(_)
-        | Definition::InlineAsmRegOrRegClass(_) => return None,
+        | Definition::InlineAsmRegOrRegClass(_)
+        | Definition::InlineAsmRegOperand(_) => return None,
     };
 
     Some((def, res, None))

crates/ide/src/moniker.rs

@@ -223,7 +223,7 @@ pub(crate) fn def_to_kind(db: &RootDatabase, def: Definition) -> SymbolInformati
                 Variable
             }
         }
-        Definition::Label(..) => Variable, // For lack of a better variant
+        Definition::Label(..) | Definition::InlineAsmRegOperand(_) => Variable, // For lack of a better variant
         Definition::DeriveHelper(..) => Attribute,
         Definition::BuiltinAttr(..) => Attribute,
         Definition::ToolModule(..) => Module,
@@ -322,7 +322,8 @@ pub(crate) fn def_to_moniker(
         | Definition::BuiltinLifetime(_)
         | Definition::BuiltinAttr(_)
         | Definition::ToolModule(_)
-        | Definition::InlineAsmRegOrRegClass(_) => return None,
+        | Definition::InlineAsmRegOrRegClass(_)
+        | Definition::InlineAsmRegOperand(_) => return None,
 
         Definition::Local(local) => {
             if !local.is_param(db) {

crates/ide/src/navigation_target.rs

@@ -244,6 +244,8 @@ impl TryToNav for Definition {
             | Definition::ToolModule(_)
             | Definition::InlineAsmRegOrRegClass(_)
             | Definition::BuiltinAttr(_) => None,
+            // FIXME
+            Definition::InlineAsmRegOperand(_) => None,
             // FIXME: The focus range should be set to the helper declaration
             Definition::DeriveHelper(it) => it.derive().try_to_nav(db),
         }

crates/ide/src/syntax_highlighting/highlight.rs

@@ -537,6 +537,7 @@ pub(super) fn highlight_def(
         Definition::InlineAsmRegOrRegClass(_) => {
             Highlight::new(HlTag::Symbol(SymbolKind::InlineAsmRegOrRegClass))
         }
+        Definition::InlineAsmRegOperand(_) => Highlight::new(HlTag::Symbol(SymbolKind::Local)),
     };
 
     let def_crate = def.krate(db);

crates/ide/src/syntax_highlighting/inject.rs

@@ -316,6 +316,7 @@ fn module_def_to_hl_tag(def: Definition) -> HlTag {
         Definition::ToolModule(_) => SymbolKind::ToolModule,
         Definition::DeriveHelper(_) => SymbolKind::DeriveHelper,
         Definition::InlineAsmRegOrRegClass(_) => SymbolKind::InlineAsmRegOrRegClass,
+        Definition::InlineAsmRegOperand(_) => SymbolKind::Local,
     };
     HlTag::Symbol(symbol)
 }

crates/ide/src/syntax_highlighting/test_data/highlight_asm.html

@@ -51,18 +51,17 @@ pre                 { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
         <span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">o</span> <span class="operator">=</span> <span class="numeric_literal">0</span><span class="semicolon">;</span>
         <span class="module crate_root default_library library">core</span><span class="operator">::</span><span class="module default_library library">arch</span><span class="operator">::</span><span class="macro default_library library unsafe">asm</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span>
             <span class="string_literal macro">"%input = OpLoad _ {0}"</span><span class="comma macro">,</span>
-            <span class="macro default_library library macro">concat</span><span class="macro_bang macro">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"%result = "</span><span class="comma macro">,</span> <span class="unresolved_reference macro">bar</span><span class="comma macro">,</span> <span class="string_literal macro">" _ %input"</span><span class="parenthesis macro">)</span><span class="comma macro">,</span>
+            <span class="macro default_library library macro">concat</span><span class="macro_bang macro">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"%result = "</span><span class="comma macro">,</span> <span class="string_literal macro">"bar"</span><span class="comma macro">,</span> <span class="string_literal macro">" _ %input"</span><span class="parenthesis macro">)</span><span class="comma macro">,</span>
             <span class="string_literal macro">"OpStore {1} %result"</span><span class="comma macro">,</span>
-            <span class="keyword control macro">in</span><span class="parenthesis macro">(</span><span class="unresolved_reference macro">reg</span><span class="parenthesis macro">)</span> <span class="operator macro">&</span><span class="variable macro">foo</span><span class="comma macro">,</span>
+            <span class="keyword control macro">in</span><span class="parenthesis macro">(</span><span class="reg library macro">reg</span><span class="parenthesis macro">)</span> <span class="operator macro">&</span><span class="variable macro">foo</span><span class="comma macro">,</span>
-            <span class="keyword control macro">in</span><span class="parenthesis macro">(</span><span class="unresolved_reference macro">reg</span><span class="parenthesis macro">)</span> <span class="operator macro">&</span><span class="keyword macro">mut</span> <span class="variable macro mutable">o</span><span class="comma macro">,</span>
+            <span class="keyword control macro">in</span><span class="parenthesis macro">(</span><span class="reg library macro">reg</span><span class="parenthesis macro">)</span> <span class="operator macro">&</span><span class="keyword macro">mut</span> <span class="variable macro mutable">o</span><span class="comma macro">,</span>
         <span class="parenthesis macro">)</span><span class="semicolon">;</span>
-        <span class="variable mutable">o</span>
 
         <span class="keyword">let</span> <span class="variable declaration">thread_id</span><span class="colon">:</span> <span class="builtin_type">usize</span><span class="semicolon">;</span>
         <span class="module crate_root default_library library">core</span><span class="operator">::</span><span class="module default_library library">arch</span><span class="operator">::</span><span class="macro default_library library unsafe">asm</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"
             mov {0}, gs:[0x30]
             mov {0}, [{0}+0x48]
-        "</span><span class="comma macro">,</span> <span class="keyword macro">out</span><span class="parenthesis macro">(</span><span class="unresolved_reference macro">reg</span><span class="parenthesis macro">)</span> <span class="variable macro">thread_id</span><span class="comma macro">,</span> <span class="keyword macro">options</span><span class="parenthesis macro">(</span><span class="keyword macro">pure</span><span class="comma macro">,</span> <span class="keyword macro">readonly</span><span class="comma macro">,</span> <span class="keyword macro">nostack</span><span class="parenthesis macro">)</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
+        "</span><span class="comma macro">,</span> <span class="keyword macro">out</span><span class="parenthesis macro">(</span><span class="reg library macro">reg</span><span class="parenthesis macro">)</span> <span class="variable macro">thread_id</span><span class="comma macro">,</span> <span class="keyword macro">options</span><span class="parenthesis macro">(</span><span class="keyword macro">pure</span><span class="comma macro">,</span> <span class="keyword macro">readonly</span><span class="comma macro">,</span> <span class="keyword macro">nostack</span><span class="parenthesis macro">)</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
 
         <span class="keyword">static</span> <span class="static declaration">UNMAP_BASE</span><span class="colon">:</span> <span class="builtin_type">usize</span><span class="semicolon">;</span>
         <span class="keyword const">const</span> <span class="constant const declaration">MEM_RELEASE</span><span class="colon">:</span> <span class="builtin_type">usize</span><span class="semicolon">;</span>

crates/ide/src/syntax_highlighting/test_data/highlight_strings.html

@@ -168,8 +168,8 @@ pre                 { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
     <span class="module crate_root default_library library">core</span><span class="operator">::</span><span class="module default_library library">arch</span><span class="operator">::</span><span class="macro default_library library unsafe">asm</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span>
         <span class="string_literal macro">"mov {0}, {1}"</span><span class="comma macro">,</span>
         <span class="string_literal macro">"add {0}, 5"</span><span class="comma macro">,</span>
-        <span class="keyword macro">out</span><span class="parenthesis macro">(</span><span class="unresolved_reference macro">reg</span><span class="parenthesis macro">)</span> <span class="variable macro">o</span><span class="comma macro">,</span>
+        <span class="keyword macro">out</span><span class="parenthesis macro">(</span><span class="reg library macro">reg</span><span class="parenthesis macro">)</span> <span class="variable macro">o</span><span class="comma macro">,</span>
-        <span class="keyword control macro">in</span><span class="parenthesis macro">(</span><span class="unresolved_reference macro">reg</span><span class="parenthesis macro">)</span> <span class="variable macro">i</span><span class="comma macro">,</span>
+        <span class="keyword control macro">in</span><span class="parenthesis macro">(</span><span class="reg library macro">reg</span><span class="parenthesis macro">)</span> <span class="variable macro">i</span><span class="comma macro">,</span>
     <span class="parenthesis macro">)</span><span class="semicolon">;</span>
 
     <span class="keyword const">const</span> <span class="constant const declaration">CONSTANT</span><span class="colon">:</span> <span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="operator">=</span> <span class="parenthesis">(</span><span class="parenthesis">)</span><span class="colon">:</span>

crates/ide/src/syntax_highlighting/tests.rs

@@ -1287,12 +1287,11 @@ fn main() {
         let mut o = 0;
         core::arch::asm!(
             "%input = OpLoad _ {0}",
-            concat!("%result = ", bar, " _ %input"),
+            concat!("%result = ", "bar", " _ %input"),
             "OpStore {1} %result",
             in(reg) &foo,
             in(reg) &mut o,
         );
-        o
 
         let thread_id: usize;
         core::arch::asm!("

crates/parser/src/grammar/expressions/atom.rs

@@ -453,9 +453,13 @@ fn parse_clobber_abi(p: &mut Parser<'_>) {
 fn parse_reg(p: &mut Parser<'_>) {
     p.expect(T!['(']);
     if p.at(T![ident]) {
-        name_ref(p)
+        let m = p.start();
+        name_ref(p);
+        m.complete(p, ASM_REG_SPEC);
     } else if p.at(T![string]) {
-        p.bump_any()
+        let m = p.start();
+        p.bump_any();
+        m.complete(p, ASM_REG_SPEC);
     } else {
         p.err_and_bump("expected register name");
     }

crates/parser/test_data/parser/inline/ok/asm_expr.rast

@@ -35,14 +35,16 @@ SOURCE_FILE
               STRING "\"add {x}, {tmp}\""
             COMMA ","
             WHITESPACE "\n        "
+            ASM_REG_OPERAND
               NAME
                 IDENT "x"
               WHITESPACE " "
               EQ "="
               WHITESPACE " "
-            ASM_REG_OPERAND
+              ASM_DIR_SPEC
                 INOUT_KW "inout"
               L_PAREN "("
+              ASM_REG_SPEC
                 NAME_REF
                   IDENT "reg"
               R_PAREN ")"
@@ -54,14 +56,16 @@ SOURCE_FILE
                       IDENT "x"
             COMMA ","
             WHITESPACE "\n        "
+            ASM_REG_OPERAND
               NAME
                 IDENT "tmp"
               WHITESPACE " "
               EQ "="
               WHITESPACE " "
-            ASM_REG_OPERAND
+              ASM_DIR_SPEC
                 OUT_KW "out"
               L_PAREN "("
+              ASM_REG_SPEC
                 NAME_REF
                   IDENT "reg"
               R_PAREN ")"