Merge: Use new constructors
[nit.git] / src / modelize / modelize_property.nit
index 69e1633..cb56d38 100644 (file)
@@ -144,13 +144,13 @@ redef class ModelBuilder
                        end
                        if npropdef isa AAttrPropdef then
                                if npropdef.mpropdef == null then return # Skip broken attribute
-                               var at = npropdef.get_single_annotation("noinit", self)
-                               if at != null then
-                                       npropdef.noinit = true
-                                       if npropdef.has_value then
-                                               self.error(at, "Error: `noinit` attributes cannot have an initial value")
-                                       end
-                                       continue # Skip noinit attributes
+                               if npropdef.noinit then continue # Skip noinit attribute
+                               var atautoinit = npropdef.get_single_annotation("autoinit", self)
+                               if atautoinit != null then
+                                       # For autoinit attributes, call the reader to force
+                                       # the lazy initialization of the attribute.
+                                       initializers.add(npropdef.mreadpropdef.mproperty)
+                                       continue
                                end
                                if npropdef.has_value then continue
                                var paramname = npropdef.mpropdef.mproperty.name.substring_from(1)
@@ -490,16 +490,12 @@ redef class AMethPropdef
 
 
        # Can self be used as a root init?
-       private fun look_like_a_root_init(modelbuilder: ModelBuilder): Bool
+       private fun look_like_a_root_init(modelbuilder: ModelBuilder, mclassdef: MClassDef): Bool
        do
                # Need the `init` keyword
                if n_kwinit == null then return false
                # Need to by anonymous
                if self.n_methid != null then return false
-               # No parameters
-               if self.n_signature.n_params.length > 0 then return false
-               # Cannot be private or something
-               if not self.n_visibility isa APublicVisibility then return false
                # No annotation on itself
                if get_single_annotation("old_style_init", modelbuilder) != null then return false
                # Nor on its module
@@ -509,6 +505,16 @@ redef class AMethPropdef
                        var old = amoddecl.get_single_annotation("old_style_init", modelbuilder)
                        if old != null then return false
                end
+               # No parameters
+               if self.n_signature.n_params.length > 0 then
+                       modelbuilder.advice(self, "old-init", "Warning: init with signature in {mclassdef}")
+                       return false
+               end
+               # Cannot be private or something
+               if not self.n_visibility isa APublicVisibility then
+                       modelbuilder.advice(self, "old-init", "Warning: non-public init in {mclassdef}")
+                       return false
+               end
 
                return true
        end
@@ -547,9 +553,10 @@ redef class AMethPropdef
                        end
                end
 
+               var look_like_a_root_init = look_like_a_root_init(modelbuilder, mclassdef)
                var mprop: nullable MMethod = null
                if not is_init or n_kwredef != null then mprop = modelbuilder.try_get_mproperty_by_name(name_node, mclassdef, name).as(nullable MMethod)
-               if mprop == null and look_like_a_root_init(modelbuilder) then
+               if mprop == null and look_like_a_root_init then
                        mprop = modelbuilder.the_root_init_mmethod
                        var nb = n_block
                        if nb isa ABlockExpr and nb.n_expr.is_empty and n_doc == null then
@@ -559,7 +566,7 @@ redef class AMethPropdef
                if mprop == null then
                        var mvisibility = new_property_visibility(modelbuilder, mclassdef, self.n_visibility)
                        mprop = new MMethod(mclassdef, name, mvisibility)
-                       if look_like_a_root_init(modelbuilder) and modelbuilder.the_root_init_mmethod == null then
+                       if look_like_a_root_init and modelbuilder.the_root_init_mmethod == null then
                                modelbuilder.the_root_init_mmethod = mprop
                                mprop.is_root_init = true
                        end
@@ -580,9 +587,9 @@ redef class AMethPropdef
                self.mpropdef = mpropdef
                modelbuilder.mpropdef2npropdef[mpropdef] = self
                if mpropdef.is_intro then
-                       modelbuilder.toolcontext.info("{mpropdef} introduces new method {mprop.full_name}", 3)
+                       modelbuilder.toolcontext.info("{mpropdef} introduces new method {mprop.full_name}", 4)
                else
-                       modelbuilder.toolcontext.info("{mpropdef} redefines method {mprop.full_name}", 3)
+                       modelbuilder.toolcontext.info("{mpropdef} redefines method {mprop.full_name}", 4)
                end
        end
 
@@ -804,10 +811,29 @@ redef class AAttrPropdef
 
                has_value = n_expr != null or n_block != null
 
+               var atnoinit = self.get_single_annotation("noinit", modelbuilder)
+               if atnoinit != null then
+                       noinit = true
+                       if has_value then
+                               modelbuilder.error(atnoinit, "Error: `noinit` attributes cannot have an initial value")
+                               return
+                       end
+               end
+
                var atlazy = self.get_single_annotation("lazy", modelbuilder)
-               if atlazy != null then
+               var atautoinit = self.get_single_annotation("autoinit", modelbuilder)
+               if atlazy != null or atautoinit != null then
+                       if atlazy != null and atautoinit != null then
+                               modelbuilder.error(atlazy, "Error: lazy incompatible with autoinit")
+                               return
+                       end
                        if not has_value then
-                               modelbuilder.error(atlazy, "Error: a lazy attribute needs a value")
+                               if atlazy != null then
+                                       modelbuilder.error(atlazy, "Error: a lazy attribute needs a value")
+                               else if atautoinit != null then
+                                       modelbuilder.error(atautoinit, "Error: a autoinit attribute needs a value")
+                               end
+                               return
                        end
                        is_lazy = true
                        var mlazyprop = new MAttribute(mclassdef, "lazy _" + name, none_visibility)