do
var v = new SimpleMiscVisitor(toolcontext)
v.enter_visit(self)
+
+ var t = location.file.first_token
+ while t != null do
+ t.accept_simple_misc_token(v)
+ t = t.next_token
+ end
end
end
do
toolcontext.warning(node.hot_location, tag, msg)
end
+
+ # Issue a warning if `sub` is a standalone `do` block.
+ fun check_do_expr(sub: nullable AExpr)
+ do
+ if sub isa ADoExpr then
+ warning(sub, "useless-do", "Warning: superfluous `do` block.")
+ end
+ end
end
private fun after_simple_misc(v: SimpleMiscVisitor) do end
end
+redef class Token
+ private fun accept_simple_misc_token(v: SimpleMiscVisitor)
+ do
+ end
+end
+
redef class ASignature
redef fun after_simple_misc(v)
do
else
n_expr.warn_parentheses(v)
end
+ v.check_do_expr(n_block)
+ end
+end
+
+redef class ADoExpr
+ redef fun after_simple_misc(v)
+ do
+ v.check_do_expr(n_block)
+ end
+end
+
+redef class ALoopExpr
+ redef fun after_simple_misc(v)
+ do
+ v.check_do_expr(n_block)
end
end
redef fun after_simple_misc(v)
do
n_expr.warn_parentheses(v)
+ v.check_do_expr(n_block)
+ end
+end
+
+redef class AWithExpr
+ redef fun after_simple_misc(v)
+ do
+ v.check_do_expr(n_block)
end
end
v.once_count = v.once_count - 1
end
end
+
+redef class TSemi
+ redef fun accept_simple_misc_token(v)
+ do
+ var n = next_token
+ var p = prev_token
+ if
+ n == null or
+ n isa TEol or
+ n isa EOF or
+ n isa TComment or
+ p == null or
+ p isa TEol or
+ p isa EOF or
+ p isa TComment or
+ p isa TSemi
+ then
+ v.warning(self, "semi", "Warning: superfluous `;`.")
+ return
+ end
+ end
+end