end
_super_init = base
- var params = new Array[MMType]
+ var params = new Array[MMParam]
if base != null then
var sig = base.signature
for i in [0..sig.arity[ do
- params.add(sig[i])
+ params.add(sig.params[i])
end
end
for a in unassigned_attributes do
var sig = a.signature
if sig == null then return # Broken attribute definition
- params.add(sig.return_type.as(not null))
+ var name = a.name
+ if name.to_s.first == '_' or name.to_s.first == '@' then
+ name = a.to_s.substring_from(1).to_symbol
+ end
+ params.add(new MMParam(sig.return_type.as(not null), name))
end
signature = new MMSignature(params, null, local_class.get_type)
end
fun import_super_modules(tc: ToolContext, mod: MMSrcModule)
do
# Import super-modules
- var module_names_to_import = new Array[Symbol]
- var module_visibility = new HashMap[Symbol, Int]
+ var supers = new Array[MMModule]
var no_import: nullable AImport = null
for i in n_imports do
var n = i.module_name
if n != null then
- module_names_to_import.add(n)
- module_visibility[n] = i.visibility_level
+ var m = tc.get_module(n, mod)
+ supers.add(m)
+ mod.add_super_module(m, i.visibility_level)
else
no_import = i
end
end
if no_import != null then
- if not module_names_to_import.is_empty then
+ if not supers.is_empty then
tc.error(no_import.location, "Error: Top modules cannot import other modules.")
end
- else if module_names_to_import.is_empty then
+ else if supers.is_empty then
var stdname = once "standard".to_symbol
- module_names_to_import.add(stdname)
- module_visibility[stdname] = 1
+ var m = tc.get_module(stdname, mod)
+ supers.add(m)
+ mod.add_super_module(m, 1)
end
- mod.import_supers_modules(module_names_to_import)
-
- for mname in module_names_to_import do
- var level = module_visibility[mname]
- var m = tc.get_module(mname, mod)
- mod.add_super_module(m, level)
- end
+ tc.add_module(mod, supers)
end
end
redef class AModuledecl
redef fun accept_class_builder(v)
do
- if n_id.to_symbol != v.mmmodule.name then
- v.error(n_id, "Error: Module name mismatch between {v.mmmodule.name} and {n_id.to_symbol}")
+ if n_name.n_id.to_symbol != v.mmmodule.name then
+ v.error(n_name.n_id, "Error: Module name mismatch between {v.mmmodule.name} and {n_name.n_id.to_symbol}")
end
end
end
redef class AStdImport
redef fun module_name
do
- return n_id.to_symbol
+ return n_name.n_id.to_symbol
end
redef fun visibility_level
do
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
else if not v.signature_builder.untyped_params.is_empty then
v.error(v.signature_builder.untyped_params.first, "Error: Untyped parameter.")
else
- prop.signature = new MMSignature(new Array[MMType], null, v.local_class.get_type)
+ prop.signature = new MMSignature(new Array[MMParam], null, v.local_class.get_type)
for clos in v.signature_builder.closure_decls do
prop.signature.closures.add(clos.variable.closure)
end
#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)
+ var isig = i.signature
+ if isig == null then break # previous signature is invalid
+ isig = isig.adaptation_to(v.local_class.get_type)
if s == null then
#print "{prop.full_name} inherits signature from {ip.full_name}"
if s.arity != isig.arity then
v.error(self, "Redef error: {prop.local_class}::{prop} redefines {ip.local_class}::{ip} with {isig.arity} parameter(s).")
- else
- for j in [0..s.arity[ do
- if s[j] != isig[j] then
- v.error(self, "Redef error: Expected {isig[j]} (as in {ip.local_class}::{ip}), got {s[j]} in {prop.local_class}::{prop}.")
+ else if s.arity > 0 then
+ if self isa AMethPropdef then
+ # A standard method
+ for j in [0..s.arity[ do
+ if s[j] != isig[j] then
+ v.error(n_signature.n_params[j], "Redef error: Expected {isig[j]}, as in {ip.local_class}::{ip}.")
+ end
+ end
+ else if self isa AAttrPropdef then
+ # A write accessor
+ if s[0] != isig[0] then
+ v.error(n_type, "Redef error: Expected {isig[0]}, as in the parameter of {ip.local_class}::{ip}.")
end
+
+ else
+ abort #
end
end
else if srt != null and isrt == null then
v.error(self, "Redef error: The function {prop.local_class}::{prop} redefines the procedure {ip.local_class}::{ip}.")
else if srt != null and isrt != null and not srt < isrt then
- v.error(self, "Redef error: Expected {isrt} (as in {ip.local_class}::{ip}), got {srt} in {prop.local_class}::{prop}.")
+ var n: nullable ANode = null
+ if self isa AMethPropdef then
+ n = self.n_signature.n_type
+ else if self isa AAttrPropdef then
+ n = self.n_type
+ else if self isa ATypePropdef then
+ n = self.n_type
+ end
+ v.error(n, "Redef error: Expected {isrt}, as in {ip.local_class}::{ip}.")
else if not s < isig and nberr == v.tc.error_count then
# Systematic fallback for conformance check
v.error(self, "Redef error: Incompatible redefinition of {ip.local_class}::{ip} with {prop.local_class}::{prop}")
else if srt != null and isrt != null and srt != isrt and prop isa MMAttribute then
# FIXME: To remove
- v.warning(self, "Redef warning: Expected {isrt} (as in {ip.local_class}::{ip}), got {srt} in {prop.local_class}::{prop}.")
+ v.warning(self, "Redef warning: Expected {isrt}, as in {ip.local_class}::{ip}.")
end
end
end
var prop = prop
- var signature = new MMSignature(new Array[MMType], t, v.local_class.get_type)
+ var signature = new MMSignature(new Array[MMParam], t, v.local_class.get_type)
prop.signature = signature
var visibility_level = n_visibility.level
process_and_check(v, prop, n_id != null and n_kwredef != null, visibility_level)
end
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)
+ m.signature = new MMSignature(new Array[MMParam].with_items(new MMParam(t, once "value".to_symbol)), null, v.local_class.get_type)
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
redef fun process_and_check(v, prop, has_redef, visibility_level)
do
prop.global.visibility_level = visibility_level
- prop.signature = new MMSignature(new Array[MMType], null, v.local_class.get_type)
+ prop.signature = new MMSignature(new Array[MMParam], null, v.local_class.get_type)
# Disable all checks for main
end
end
redef fun accept_property_verifier(v)
do
super
- var signature = new MMSignature(new Array[MMType], n_type.get_stype(v), v.local_class.get_type)
+ var signature = new MMSignature(new Array[MMParam], n_type.get_stype(v), v.local_class.get_type)
prop.signature = signature
var visibility_level = n_visibility.level
process_and_check(v, prop, n_kwredef != null, visibility_level)
end
redef class AMethid
- # Method name
- readable var _name: nullable Symbol
+ redef readable var _name: nullable Symbol
redef fun accept_property_builder(v)
do
return
end
else if not v.signature_builder.params.is_empty or n_type != null then
- var pars = new Array[MMType]
+ var pars = new Array[MMParam]
for p in v.signature_builder.params do
- pars.add(p.stype.as(not null))
+ pars.add( new MMParam( p.stype.as(not null), p.n_id.to_symbol ) )
end
var ret: nullable MMType = null
if n_type != null then
end
var sig = v.signature_builder.signature
if sig == null then
- sig = new MMSignature(new Array[MMType], null, v.local_class.get_type)
+ sig = new MMSignature(new Array[MMParam], null, v.local_class.get_type)
end
if sig.return_type != null and n_kwbreak != null then
v.error(self, "Syntax Error: A break block cannot have a return value.")
end
# Add the finalizer to the closure signature
- var finalize_sig = new MMSignature(new Array[MMType], null, v.mmmodule.type_any) # FIXME should be no receiver
+ var finalize_sig = new MMSignature(new Array[MMParam], 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)