rta: add `live_methods_to_tree` to provide human-readable infos on methods

[nit.git] / src / literal.nit

diff --git a/src/literal.nit b/src/literal.nit
index 668f72a..9ea79f0 100644 (file)
--- a/src/literal.nit
+++ b/src/literal.nit
@@ -90,7 +90,7 @@ redef class ACharExpr
                        v.toolcontext.error(self.hot_location, "Invalid character literal {txt}")
                        return
                end
-               self.value = txt[1]
+               self.value = txt.chars[1]
        end
 end
 
@@ -100,8 +100,13 @@ redef class AStringFormExpr
        redef fun accept_literal(v)
        do
                var txt = self.n_string.text
-               var skip = 1
-               if txt[0] == txt[1] and txt.length >= 6 then skip = 3
-               self.value = txt.substring(skip, txt.length-(2*skip)).unescape_nit
+               var behead = 1
+               var betail = 1
+               if txt.chars[0] == txt.chars[1] and txt.length >= 6 then
+                       behead = 3
+                       betail = 3
+                       if txt.chars[0] == '"' and txt.chars[3] == '\n' then behead = 4 # ignore first \n in """
+               end
+               self.value = txt.substring(behead, txt.length - behead - betail).unescape_nit
        end
 end