merge & fix false positive

Signed-off-by: 11happy <bhuminjaysoni@gmail.com>

crates/ruff_linter/resources/test/fixtures/semantic_errors/annonated_global.py

@@ -0,0 +1,27 @@
+a: int = 1
+def f1():
+    global a
+    a: str = "foo"
+
+b: int = 1
+def outer():
+    def inner():
+        global b
+        b: str = "nested"
+
+c: int = 1
+def f2():
+    global c
+    c: list[str] = []
+
+d: int = 1
+def f3():
+    global d
+    d: str
+
+e: int = 1
+def f4():
+    e: str = "happy"
+
+global f
+f: int = 1

crates/ruff_linter/src/linter.rs

@@ -982,6 +982,7 @@ mod tests {
     #[test_case(Path::new("write_to_debug.py"), PythonVersion::PY310)]
     #[test_case(Path::new("invalid_expression.py"), PythonVersion::PY312)]
     #[test_case(Path::new("global_parameter.py"), PythonVersion::PY310)]
+    #[test_case(Path::new("annotated_global.py"), PythonVersion::latest())]
     fn test_semantic_errors(path: &Path, python_version: PythonVersion) -> Result<()> {
         let snapshot = format!(
             "semantic_syntax_error_{}_{}",

crates/ruff_linter/src/snapshots/ruff_linter__linter__tests__semantic_syntax_error_annonated_global.py_3.14.snap

@@ -0,0 +1,46 @@
+---
+source: crates/ruff_linter/src/linter.rs
+---
+invalid-syntax: annotated name `a` can't be global
+ --> resources/test/fixtures/semantic_errors/annonated_global.py:4:5
+  |
+2 | def f1():
+3 |     global a
+4 |     a: str = "foo"
+  |     ^
+5 |
+6 | b: int = 1
+  |
+
+invalid-syntax: annotated name `b` can't be global
+  --> resources/test/fixtures/semantic_errors/annonated_global.py:10:9
+   |
+ 8 |     def inner():
+ 9 |         global b
+10 |         b: str = "nested"
+   |         ^
+11 |
+12 | c: int = 1
+   |
+
+invalid-syntax: annotated name `c` can't be global
+  --> resources/test/fixtures/semantic_errors/annonated_global.py:15:5
+   |
+13 | def f2():
+14 |     global c
+15 |     c: list[str] = []
+   |     ^
+16 |
+17 | d: int = 1
+   |
+
+invalid-syntax: annotated name `d` can't be global
+  --> resources/test/fixtures/semantic_errors/annonated_global.py:20:5
+   |
+18 | def f3():
+19 |     global d
+20 |     d: str
+   |     ^
+21 |
+22 | e: int = 1
+   |

crates/ruff_python_parser/src/semantic_errors.rs

@@ -300,7 +300,7 @@ impl SemanticSyntaxChecker {
                     visitor.visit_expr(annotation);
                 }
                 if let Expr::Name(ast::ExprName { id, .. }) = target.as_ref() {
-                    if ctx.global(id.as_str()).is_some() {
+                    if ctx.global(id.as_str()).is_some() && ctx.in_function_scope() {
                         Self::add_error(
                             ctx,
                             SemanticSyntaxErrorKind::AnnotatedGlobal(id.to_string()),