type_tables = build_type_tables(poset)
# VT and FT are stored with other unresolved types in the big resolution_tables
- self.compile_resolution_tables(live_types)
+ self.compute_resolution_tables(live_types)
return poset
end
return tables
end
- protected fun compile_resolution_tables(mtypes: Set[MType]) do
- # resolution_tables is used to perform a type resolution at runtime in O(1)
-
+ # resolution_tables is used to perform a type resolution at runtime in O(1)
+ private fun compute_resolution_tables(mtypes: Set[MType]) do
# During the visit of the body of classes, live_unresolved_types are collected
# and associated to
# Collect all live_unresolved_types (visited in the body of classes)
var mtype = mclass.intro.bound_mtype
var c_name = mclass.c_name
- var vft = self.method_tables[mclass]
- var attrs = self.attr_tables[mclass]
var v = new_visitor
var rta = runtime_type_analysis
v.add_decl("const struct class class_{c_name} = \{")
v.add_decl("{self.box_kind_of(mclass)}, /* box_kind */")
v.add_decl("\{")
- for i in [0 .. vft.length[ do
+ var vft = self.method_tables.get_or_null(mclass)
+ if vft != null then for i in [0 .. vft.length[ do
var mpropdef = vft[i]
if mpropdef == null then
v.add_decl("NULL, /* empty */")
else
var res = v.new_named_var(mtype, "self")
res.is_exact = true
- v.add("{res} = nit_alloc(sizeof(struct instance) + {attrs.length}*sizeof(nitattribute_t));")
+ var attrs = self.attr_tables.get_or_null(mclass)
+ if attrs == null then
+ v.add("{res} = nit_alloc(sizeof(struct instance));")
+ else
+ v.add("{res} = nit_alloc(sizeof(struct instance) + {attrs.length}*sizeof(nitattribute_t));")
+ end
v.add("{res}->type = type;")
hardening_live_type(v, "type")
v.require_declaration("class_{c_name}")
v.add("{res}->class = &class_{c_name};")
- self.generate_init_attr(v, res, mtype)
- v.set_finalizer res
+ if attrs != null then
+ self.generate_init_attr(v, res, mtype)
+ v.set_finalizer res
+ end
v.add("return {res};")
end
v.add("\}")
var res = self.new_var(mtype)
if compiler.runtime_type_analysis != null and not compiler.runtime_type_analysis.live_types.has(valtype) then
self.add("/*no autobox from {value.mtype} to {mtype}: {value.mtype} is not live! */")
- self.add("PRINT_ERROR(\"Dead code executed!\\n\"); show_backtrace(1);")
+ self.add("PRINT_ERROR(\"Dead code executed!\\n\"); fatal_exit(1);")
return res
end
self.require_declaration("BOX_{valtype.c_name}")
# Bad things will appen!
var res = self.new_var(mtype)
self.add("/* {res} left unintialized (cannot convert {value.mtype} to {mtype}) */")
- self.add("PRINT_ERROR(\"Cast error: Cannot cast %s to %s.\\n\", \"{value.mtype}\", \"{mtype}\"); show_backtrace(1);")
+ self.add("PRINT_ERROR(\"Cast error: Cannot cast %s to %s.\\n\", \"{value.mtype}\", \"{mtype}\"); fatal_exit(1);")
return res
end
end
var res = self.new_var(mtype)
if compiler.runtime_type_analysis != null and not compiler.runtime_type_analysis.live_types.has(value.mtype.as(MClassType)) then
self.add("/*no boxing of {value.mtype}: {value.mtype} is not live! */")
- self.add("PRINT_ERROR(\"Dead code executed!\\n\"); show_backtrace(1);")
+ self.add("PRINT_ERROR(\"Dead code executed!\\n\"); fatal_exit(1);")
return res
end
self.require_declaration("BOX_{valtype.c_name}")
self.add("count_type_test_resolved_{tag}++;")
end
else
- self.add("PRINT_ERROR(\"NOT YET IMPLEMENTED: type_test(%s, {mtype}).\\n\", \"{value.inspect}\"); show_backtrace(1);")
+ self.add("PRINT_ERROR(\"NOT YET IMPLEMENTED: type_test(%s, {mtype}).\\n\", \"{value.inspect}\"); fatal_exit(1);")
end
# check color is in table