syntax: improve message for misused inner attributes

liigo · liigo · commit 0a52cc3534b7 · 2014-11-11T08:53:26.000+08:00
diff --git a/src/libsyntax/parse/attr.rs b/src/libsyntax/parse/attr.rs
@@ -75,6 +75,8 @@ impl<'a> ParserAttr for Parser<'a> {
                         self.span_err(span,
                                       "an inner attribute is not permitted in \
                                        this context");
+                        self.span_help(span,
+                                       "place inner attribute at the top of the module or block");
                     }
                     ast::AttrInner
                 } else {

Original file line number	Diff line number	Diff line change
`@@ -75,6 +75,8 @@ impl<'a> ParserAttr for Parser<'a> {`
`75`	`75`	`self.span_err(span,`
`76`	`76`	`"an inner attribute is not permitted in \`
`77`	`77`	`this context");`
	`78`	`+ self.span_help(span,`
	`79`	`+ "place inner attribute at the top of the module or block");`
`78`	`80`	`}`
`79`	`81`	`ast::AttrInner`
`80`	`82`	`} else {`