metamodel: rename 'universal' to 'enum'
[nit.git] / src / syntax / mmbuilder.nit
index c079443..35c474b 100644 (file)
@@ -59,7 +59,7 @@ redef class MMSrcModule
 
                # Compute specialization relation
                for c in local_classes do
-                       if visibility_for(c.global.intro.module) < c.global.visibility_level then
+                       if visibility_for(c.global.intro.mmmodule) < c.global.visibility_level then
                                continue
                        end
                        c.compute_super_classes
@@ -93,14 +93,11 @@ redef class MMSrcModule
                # Property inhritance and introduction
                var mmbv2 = new PropertyBuilderVisitor(tc, self)
                for c in classes do
-                       # Inherit global properties
-                       c.inherit_global_properties
-
                        # Global property introduction and redefinition 
                        c.accept_class_visitor(mmbv2)
 
                        # Default and inherited constructor if needed
-                       if c isa MMSrcLocalClass and c.global.intro == c and not c.global.is_universal and not c.global.is_interface then
+                       if c isa MMSrcLocalClass and c.global.intro == c and not c.global.is_enum and not c.global.is_interface then
                                c.process_default_constructors(mmbv2)
                        end
 
@@ -114,14 +111,6 @@ redef class MMSrcModule
                        c.accept_properties_visitor(mmbv3)
                end
 
-               # Check inherited local properties
-               for c in classes do
-                       for g in c.global_properties do
-                               if visibility_for(g.intro.module) < g.visibility_level then continue
-                               var p = c[g]
-                       end
-               end
-
                tc.check_errors
        end
 
@@ -194,7 +183,7 @@ redef class MMSrcLocalClass
                var super_inits = new ArraySet[MMLocalProperty]
                var super_constructors = new ArraySet[MMGlobalProperty]
                for sc in che.direct_greaters do
-                       if sc.global.is_universal or sc.global.is_interface then continue
+                       if sc.global.is_enum or sc.global.is_interface then continue
                        for gp in sc.global_properties do
                                if not gp.is_init then continue
                                super_constructors.add(gp)
@@ -469,11 +458,11 @@ redef class AModule
        end
 end
 
-redef class APackagedecl
+redef class AModuledecl
        redef fun accept_class_builder(v)
        do
-               if n_id.to_symbol != v.module.name then
-                       v.error(n_id, "Error: Package name missmatch between {v.module.name} and {n_id.to_symbol}")
+               if n_id.to_symbol != v.mmmodule.name then
+                       v.error(n_id, "Error: Module name missmatch between {v.mmmodule.name} and {n_id.to_symbol}")
                end
        end
 end
@@ -536,7 +525,7 @@ redef class AClassdef
        redef fun accept_class_builder(v)
        do
                var local_class: MMSrcLocalClass
-               var mod = v.module
+               var mod = v.mmmodule
                var local_classes = mod.src_local_classes
                if (local_classes.has_key(name)) then
                        local_class = local_classes[name]
@@ -580,15 +569,15 @@ end
 
 redef class AClasskind
        fun is_interface: Bool do return false
-       fun is_universal: Bool do return false
+       fun is_enum: Bool do return false
        fun is_abstract: Bool do return false
 end
 
 redef class AInterfaceClasskind
        redef fun is_interface do return true
 end
-redef class AUniversalClasskind
-       redef fun is_universal do return true
+redef class AEnumClasskind
+       redef fun is_enum do return true
 end
 redef class AAbstractClasskind
        redef fun is_abstract do return true
@@ -612,7 +601,7 @@ redef class AStdClassdef
                        glob.visibility_level = visibility_level
                        glob.is_interface = n_classkind.is_interface
                        glob.is_abstract = n_classkind.is_abstract
-                       glob.is_universal = n_classkind.is_universal
+                       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
@@ -620,18 +609,18 @@ redef class AStdClassdef
                        for c in _local_class.cshe.direct_greaters do
                                var cg = c.global
                                if glob.is_interface then
-                                       if cg.is_universal then
-                                               v.error(self, "Special error: Interface {name} try to specialise universal class {c.name}.")
+                                       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_universal then
-                                       if not cg.is_interface and not cg.is_universal then
-                                               v.error(self, "Special error: Universal class {name} try to specialise class {c.name}.")
+                               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_universal then
-                                               v.error(self, "Special error: Class {name} try to specialise universal class {c.name}.")
+                                       if cg.is_enum then
+                                               v.error(self, "Special error: Class {name} try to specialise enum class {c.name}.")
                                        end
                                end
 
@@ -641,7 +630,7 @@ redef class AStdClassdef
 
                # Redef
 
-               glob.check_visibility(v, self, v.module)
+               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
@@ -654,7 +643,7 @@ redef class AStdClassdef
                if 
                        not glob.is_interface and n_classkind.is_interface or
                        not glob.is_abstract and n_classkind.is_abstract or
-                       not glob.is_universal and n_classkind.is_universal
+                       not glob.is_enum and n_classkind.is_enum
                then
                        v.error(self, "Redef error: cannot change kind of class {name}.")
                end
@@ -702,14 +691,14 @@ redef class AFormaldef
                var o = c.global.intro
                if c == o then
                        if n_type == null then
-                               _formal.bound = v.module.type_any.as_nullable
+                               _formal.bound = v.mmmodule.type_any.as_nullable
                        else
                                var stype = n_type.get_stype(v)
                                if stype == null then return
                                _formal.bound = stype
                        end
                else
-                       var ob = o.get_formal(_formal.position).bound.for_module(v.module)
+                       var ob = o.get_formal(_formal.position).bound.for_module(v.mmmodule)
                        if n_type == null then
                                _formal.bound = ob
                        else
@@ -783,14 +772,14 @@ redef class APropdef
                if glob.is_attribute then
                        if gbc.is_interface then
                                v.error(self, "Error: Attempt to define attribute {prop} in the interface {prop.local_class}.")
-                       else if gbc.is_universal then
-                               v.error(self, "Error: Attempt to define attribute {prop} in the universal class {prop.local_class}.")
+                       else if gbc.is_enum then
+                               v.error(self, "Error: Attempt to define attribute {prop} in the enum class {prop.local_class}.")
                        end
                else if glob.is_init then
                        if gbc.is_interface then
                                v.error(self, "Error: Attempt to define a constructor {prop} in the class {prop.local_class}.")
-                       else if gbc.is_universal then
-                               v.error(self, "Error: Attempt to define a constructor {prop} in the universal {prop.local_class}.")
+                       else if gbc.is_enum then
+                               v.error(self, "Error: Attempt to define a constructor {prop} in the enum {prop.local_class}.")
                        end
                end
                if prop.signature == null then
@@ -853,7 +842,7 @@ redef class APropdef
                end
 
                var s = prop.signature
-               #print "process {prop.local_class.module}::{prop.local_class}::{prop} from global {prop.global.local_property.local_class.module}::{prop.global.local_property.local_class}::{prop.global.local_property}"
+               #print "process {prop.local_class.mmmodule}::{prop.local_class}::{prop} from global {prop.global.local_property.local_class.mmmodule}::{prop.global.local_property.local_class}::{prop.global.local_property}"
                for i in prop.prhe.direct_greaters do
                        var ip = i.local_class[prop.global]
                        var isig = i.signature.adaptation_to(v.local_class.get_type)
@@ -919,7 +908,7 @@ redef class APropdef
                if visibility_level != 1 and glob.visibility_level != visibility_level then
                        v.error(self, "Redef error: {prop.local_class}::{prop} redefinition cannot change visibility.")
                end
-               glob.check_visibility(v, self, v.module, true)
+               glob.check_visibility(v, self, v.mmmodule, true)
        end
 end
 
@@ -932,20 +921,33 @@ redef class AAttrPropdef
        redef fun accept_property_builder(v)
        do
                super
-               var name = n_id.to_symbol
+               var name: Symbol
+               if n_id != null then
+                       name = n_id.to_symbol
+               else
+                       name = ("@" + n_id2.text).to_symbol
+               end
                var lc = v.local_class
                var prop = new MMSrcAttribute(name, lc, self)
                _prop = prop
                v.local_class.add_src_local_property(v, prop)
 
-               if n_readable != null then
-                       name = n_id.text.substring_from(1).to_symbol
+               if n_readable != null or n_id == null then
+                       if n_id != null then
+                               name = n_id.text.substring_from(1).to_symbol
+                       else
+                               name = n_id2.to_symbol
+                       end
                        var readmethod = new MMReadImplementationMethod(name, lc, self)
                        _readmethod = readmethod
                        v.local_class.add_src_local_property(v, readmethod)
                end
-               if n_writable != null then
-                       name = (n_id.text.substring_from(1) + "=").to_symbol
+               if n_writable != null or n_id == null then
+                       if n_id != null then
+                               name = (n_id.text.substring_from(1) + "=").to_symbol
+                       else
+                               name = (n_id2.text + "=").to_symbol
+                       end
                        var writemethod = new MMWriteImplementationMethod(name, lc, self)
                        _writemethod = writemethod
                        v.local_class.add_src_local_property(v, writemethod)
@@ -960,7 +962,7 @@ redef class AAttrPropdef
                        var t0 = n_type.get_stype(v)
                        if t0 != null then t = t0 else return
                else
-                       v.error(self, "Not yet implemented: Attribute definition {_prop.local_class}::{_prop} requires an explicit type.")
+                       v.error(self, "Not yet implemented: Attribute definition {prop.local_class}::{prop} requires an explicit type.")
                        return
                end
 
@@ -968,17 +970,21 @@ redef class AAttrPropdef
                var signature = new MMSignature(new Array[MMType], t, v.local_class.get_type)
                prop.signature = signature
                var visibility_level = n_visibility.level
-               process_and_check(v, prop, n_kwredef != null, visibility_level)
-               if n_readable != null then
+               process_and_check(v, prop, n_id != null and n_kwredef != null, visibility_level)
+               if n_readable != null or n_id == null then
                        var m = _readmethod.as(not null)
                        m.signature = signature
-                       process_and_check(v, m, n_readable.n_kwredef != null, visibility_level)
+                       process_and_check(v, m, (n_readable != null and n_readable.n_kwredef != null) or (n_id == null and n_kwredef != null), visibility_level)
                        n_type.check_visibility(v, m)
                end
-               if n_writable != null then
+               if n_writable != null or n_id == null then
                        var m = _writemethod.as(not null)
                        m.signature = new MMSignature(new Array[MMType].with_items(t), null, v.local_class.get_type)
-                       process_and_check(v, m, n_writable.n_kwredef != null, visibility_level)
+                       var vl = visibility_level
+                       if n_id == null then
+                               if n_writable == null then vl = 3 else vl = n_writable.n_visibility.level # write accessor has a specific visibility
+                       end
+                       process_and_check(v, m, n_writable != null and n_writable.n_kwredef != null, vl)
                        n_type.check_visibility(v, m)
                end
        end
@@ -1061,6 +1067,21 @@ redef class AMainMethPropdef
        end
 end
 
+redef class AExternMethPropdef
+       redef fun accept_property_verifier(v)
+       do
+               super # Compute signature
+               var ename: String
+               if n_extern != null then
+                       ename = n_extern.text
+                       ename = ename.substring(1, ename.length-2)
+               else
+                       ename = "{method.mmmodule.name}_{method.local_class.name}_{method.local_class.name}_{method.name}_{method.signature.arity}"
+               end
+               method.extern_name = ename
+       end
+end
+
 redef class ATypePropdef
        redef fun prop do return _prop.as(not null)
        var _prop: nullable MMSrcTypeProperty
@@ -1176,7 +1197,7 @@ redef class AParam
        do
                super
                _position = v.signature_builder.params.length
-               _variable = new ParamVariable(n_id.to_symbol, self)
+               _variable = new ParamVariable(n_id.to_symbol, n_id)
                v.signature_builder.params.add(self)
                v.signature_builder.untyped_params.add(self)
                if n_type != null then
@@ -1227,7 +1248,7 @@ redef class AClosureDecl
                end
 
                # Add the finalizer to the closure signature
-               var finalize_sig = new MMSignature(new Array[MMType], null, v.module.type_any) # FIXME should be no receiver
+               var finalize_sig = new MMSignature(new Array[MMType], null, v.mmmodule.type_any) # FIXME should be no receiver
                var finalizer_clos = new MMClosure(once ("break".to_symbol), finalize_sig, false, true)
                sig.closures.add(finalizer_clos)
 
@@ -1242,7 +1263,7 @@ redef class AClosureDecl
                v.signature_builder = old_signature_builder
                _position = old_signature_builder.closure_decls.length
                old_signature_builder.closure_decls.add(self)
-               _variable = new ClosureVariable(n_id.to_symbol, self, clos)
+               _variable = new ClosureVariable(n_id.to_symbol, n_id, clos)
        end
 end