Add helper method to get a macro name from passed string
use itertools::Itertools;
use parser::T;
use syntax::{
- ast::{self, HasLoopBody, PathSegmentKind, VisibilityKind},
- AstNode, Preorder, RustLanguage, WalkEvent,
+ ast::{self, HasLoopBody, PathSegmentKind, VisibilityKind, NameRef},
+ AstNode, Preorder, RustLanguage, WalkEvent, AstToken,
};
pub fn expr_as_name_ref(expr: &ast::Expr) -> Option<ast::NameRef> {
@@ -457,3 +457,10 @@ pub fn parse_tt_as_comma_sep_paths(input: ast::TokenTree) -> Option<Vec<ast::Pat
.collect();
Some(paths)
}
+
+pub fn get_outer_macro_name(string: &ast::String) -> Option<NameRef> {
+ let macro_call = string.syntax().parent_ancestors().find_map(ast::MacroCall::cast)?;
+ let name = macro_call.path()?.segment()?.name_ref()?;
+
+ Some(name)
+}
\ No newline at end of file
