var local_classes = mod.src_local_classes
if (local_classes.has_key(name)) then
local_class = local_classes[name]
+ _local_class = local_class
if self isa AStdClassdef then
# If we are not a special implicit class then rant
v.error(self, "Error: A class {name} is already defined at line {local_class.node.location.line_start}.")
n.next_node = self
else
local_class = new MMSrcLocalClass(mod, name, self, arity)
+ _local_class = local_class
local_classes[name] = local_class
if not mod.has_global_class_named(name) then
- local_class.new_global
+ build_class_introduction(v)
else
- local_class.set_global(mod.global_class_named(name))
+ var glob = mod.global_class_named(name)
+ build_class_refinement(v, glob)
end
end
- _local_class = local_class
v.local_class_arity = 0
v.formals = local_class.formal_dict
v.formals = null
end
+ fun build_class_introduction(v: AbsSyntaxVisitor)
+ do
+ local_class.new_global
+ var glob = local_class.global
+
+ glob.visibility_level = visibility_level
+ if self isa AStdClassdef then
+ if n_kwredef != null then
+ v.error(self, "Redef error: No class {name} is imported. Remove the redef keyword to define a new class.")
+ return
+ end
+ glob.is_interface = n_classkind.is_interface
+ glob.is_abstract = n_classkind.is_abstract
+ glob.is_enum = n_classkind.is_enum
+ end
+ end
+
+ fun build_class_refinement(v: AbsSyntaxVisitor, glob: MMGlobalClass)
+ do
+ local_class.set_global(glob)
+
+ glob.check_visibility(v, self, v.mmmodule)
+ if self isa AStdClassdef and n_kwredef == null then
+ v.error(self, "Redef error: {name} is an imported class. Add the redef keyword to refine it.")
+ return
+ end
+
+ if glob.intro.arity != _local_class.arity then
+ v.error(self, "Redef error: Formal parameter arity missmatch; got {_local_class.arity}, expected {glob.intro.arity}.")
+ end
+
+ if self isa AStdClassdef and (not glob.is_interface and n_classkind.is_interface or
+ not glob.is_abstract and n_classkind.is_abstract or
+ not glob.is_enum and n_classkind.is_enum)
+ then
+ v.error(self, "Redef error: cannot change kind of class {name}.")
+ end
+ end
+
+ redef fun accept_class_verifier(v)
+ do
+ super
+ var glob = _local_class.global
+ for c in _local_class.cshe.direct_greaters do
+ var cg = c.global
+ if glob.is_interface then
+ if cg.is_enum then
+ v.error(self, "Special error: Interface {name} try to specialise enum class {c.name}.")
+ else if not cg.is_interface then
+ v.error(self, "Special error: Interface {name} try to specialise class {c.name}.")
+ end
+ else if glob.is_enum then
+ if not cg.is_interface and not cg.is_enum then
+ v.error(self, "Special error: Enum class {name} try to specialise class {c.name}.")
+ end
+ else
+ if cg.is_enum then
+ v.error(self, "Special error: Class {name} try to specialise enum class {c.name}.")
+ end
+ end
+
+ end
+ end
+
redef fun accept_abs_syntax_visitor(v)
do
v.local_class = _local_class
do
return n_formaldefs.length
end
- redef fun accept_class_verifier(v)
- do
- super
- var glob = _local_class.global
- if glob.intro == _local_class then
- # Intro
- glob.visibility_level = visibility_level
- glob.is_interface = n_classkind.is_interface
- glob.is_abstract = n_classkind.is_abstract
- glob.is_enum = n_classkind.is_enum
- if n_kwredef != null then
- v.error(self, "Redef error: No class {name} is imported. Remove the redef keyword to define a new class.")
- end
-
- for c in _local_class.cshe.direct_greaters do
- var cg = c.global
- if glob.is_interface then
- if cg.is_enum then
- v.error(self, "Special error: Interface {name} try to specialise enum class {c.name}.")
- else if not cg.is_interface then
- v.error(self, "Special error: Interface {name} try to specialise class {c.name}.")
- end
- else if glob.is_enum then
- if not cg.is_interface and not cg.is_enum then
- v.error(self, "Special error: Enum class {name} try to specialise class {c.name}.")
- end
- else
- if cg.is_enum then
- v.error(self, "Special error: Class {name} try to specialise enum class {c.name}.")
- end
- end
-
- end
- return
- end
-
- # Redef
-
- glob.check_visibility(v, self, v.mmmodule)
- if n_kwredef == null then
- v.error(self, "Redef error: {name} is an imported class. Add the redef keyword to refine it.")
- return
- end
-
- if glob.intro.arity != _local_class.arity then
- v.error(self, "Redef error: Formal parameter arity missmatch; got {_local_class.arity}, expected {glob.intro.arity}.")
- end
-
- if
- not glob.is_interface and n_classkind.is_interface or
- not glob.is_abstract and n_classkind.is_abstract or
- not glob.is_enum and n_classkind.is_enum
- then
- v.error(self, "Redef error: cannot change kind of class {name}.")
- end
- end
redef fun visibility_level
do
nitlanguage / nit.git / blobdiff