private var undead_types: Set[MType] = new HashSet[MType]
private var partial_types: Set[MType] = new HashSet[MType]
- private var live_unanchored_types: Map[MClassDef, Set[MType]] = new HashMap[MClassDef, HashSet[MType]]
+ private var live_unresolved_types: Map[MClassDef, Set[MType]] = new HashMap[MClassDef, HashSet[MType]]
private var type_layout: nullable TypingLayout[MType]
private var resolution_layout: nullable ResolutionLayout
self.compile_header_attribute_structs
self.header.add_decl("struct class \{ int box_kind; nitmethod_t vft[1]; \}; /* general C type representing a Nit class. */")
- # With unanchored_table, all live type resolution are stored in a big table: unanchored_table
- self.header.add_decl("struct type \{ int id; const char *name; int color; short int is_nullable; struct types *unanchored_table; int table_size; int type_table[1]; \}; /* general C type representing a Nit type. */")
+ # With resolution_table_table, all live type resolution are stored in a big table: resolution_table
+ self.header.add_decl("struct type \{ int id; const char *name; int color; short int is_nullable; struct types *resolution_table; int table_size; int type_table[1]; \}; /* general C type representing a Nit type. */")
if modelbuilder.toolcontext.opt_phmod_typing.value or modelbuilder.toolcontext.opt_phand_typing.value then
- self.header.add_decl("struct types \{ int mask; struct type *types[1]; \}; /* a list types (used for vts, fts and unanchored lists). */")
+ self.header.add_decl("struct types \{ int mask; struct type *types[1]; \}; /* a list types (used for vts, fts and unresolved lists). */")
else
- self.header.add_decl("struct types \{ struct type *types[1]; \}; /* a list types (used for vts, fts and unanchored lists). */")
+ self.header.add_decl("struct types \{ struct type *types[1]; \}; /* a list types (used for vts, fts and unresolved lists). */")
end
if modelbuilder.toolcontext.opt_phmod_typing.value then
self.type_layout = layout_builder.build_layout(mtypes)
self.type_tables = self.build_type_tables(mtypes)
- # VT and FT are stored with other unresolved types in the big unanchored_tables
- self.compile_unanchored_tables(mtypes)
+ # VT and FT are stored with other unresolved types in the big resolution_tables
+ self.compile_resolution_tables(mtypes)
return mtypes
end
return tables
end
- protected fun compile_unanchored_tables(mtypes: Set[MType]) do
- # Unanchored_tables is used to perform a type resolution at runtime in O(1)
+ protected fun compile_resolution_tables(mtypes: Set[MType]) do
+ # resolution_tables is used to perform a type resolution at runtime in O(1)
- # During the visit of the body of classes, live_unanchored_types are collected
+ # During the visit of the body of classes, live_unresolved_types are collected
# and associated to
- # Collect all live_unanchored_types (visited in the body of classes)
+ # Collect all live_unresolved_types (visited in the body of classes)
# Determinate fo each livetype what are its possible requested anchored types
- var mtype2unanchored = new HashMap[MClassType, Set[MType]]
+ var mtype2unresolved = new HashMap[MClassType, Set[MType]]
for mtype in self.runtime_type_analysis.live_types do
var set = new HashSet[MType]
for cd in mtype.collect_mclassdefs(self.mainmodule) do
- if self.live_unanchored_types.has_key(cd) then
- set.add_all(self.live_unanchored_types[cd])
+ if self.live_unresolved_types.has_key(cd) then
+ set.add_all(self.live_unresolved_types[cd])
end
end
- mtype2unanchored[mtype] = set
+ mtype2unresolved[mtype] = set
end
# Compute the table layout with the prefered method
else
resolution_builder = new CLResolutionLayoutBuilder
end
- self.resolution_layout = resolution_builder.build_layout(mtype2unanchored)
- self.resolution_tables = self.build_resolution_tables(mtype2unanchored)
+ self.resolution_layout = resolution_builder.build_layout(mtype2unresolved)
+ self.resolution_tables = self.build_resolution_tables(mtype2unresolved)
- # Compile a C constant for each collected unanchored type.
- # Either to a color, or to -1 if the unanchored type is dead (no live receiver can require it)
- var all_unanchored = new HashSet[MType]
- for t in self.live_unanchored_types.values do
- all_unanchored.add_all(t)
+ # Compile a C constant for each collected unresolved type.
+ # Either to a color, or to -1 if the unresolved type is dead (no live receiver can require it)
+ var all_unresolved = new HashSet[MType]
+ for t in self.live_unresolved_types.values do
+ all_unresolved.add_all(t)
end
- var all_unanchored_types_colors = new HashMap[MType, Int]
- for t in all_unanchored do
+ var all_unresolved_types_colors = new HashMap[MType, Int]
+ for t in all_unresolved do
if self.resolution_layout.pos.has_key(t) then
- all_unanchored_types_colors[t] = self.resolution_layout.pos[t]
+ all_unresolved_types_colors[t] = self.resolution_layout.pos[t]
else
- all_unanchored_types_colors[t] = -1
+ all_unresolved_types_colors[t] = -1
end
end
- self.compile_color_consts(all_unanchored_types_colors)
+ self.compile_color_consts(all_unresolved_types_colors)
#print "tables"
- #for k, v in unanchored_types_tables.as(not null) do
+ #for k, v in unresolved_types_tables.as(not null) do
# print "{k}: {v.join(", ")}"
#end
#print ""
self.header.add_decl("const char *name;")
self.header.add_decl("int color;")
self.header.add_decl("short int is_nullable;")
- self.header.add_decl("const struct types *unanchored_table;")
+ self.header.add_decl("const struct types *resolution_table;")
self.header.add_decl("int table_size;")
self.header.add_decl("int type_table[{self.type_tables[mtype].length}];")
self.header.add_decl("\};")
else
v.add_decl("0,")
end
- if compile_type_unanchored_table(mtype) then
- v.add_decl("(struct types*) &unanchored_table_{c_name},")
+ if compile_type_resolution_table(mtype) then
+ v.add_decl("(struct types*) &resolution_table_{c_name},")
else
v.add_decl("NULL,")
end
v.add_decl("\};")
end
- fun compile_type_unanchored_table(mtype: MType): Bool do
+ fun compile_type_resolution_table(mtype: MType): Bool do
var mclass_type: MClassType
if mtype isa MNullableType then
var layout = self.resolution_layout
- # extern const struct unanchored_table_X unanchored_table_X
- self.header.add_decl("extern const struct unanchored_table_{mtype.c_name} unanchored_table_{mtype.c_name};")
- self.header.add_decl("struct unanchored_table_{mtype.c_name} \{")
+ # extern const struct resolution_table_X resolution_table_X
+ self.header.add_decl("extern const struct resolution_table_{mtype.c_name} resolution_table_{mtype.c_name};")
+ self.header.add_decl("struct resolution_table_{mtype.c_name} \{")
if layout isa PHResolutionLayout then
self.header.add_decl("int mask;")
end
# const struct fts_table_X fts_table_X
var v = new_visitor
- v.add_decl("const struct unanchored_table_{mtype.c_name} unanchored_table_{mtype.c_name} = \{")
+ v.add_decl("const struct resolution_table_{mtype.c_name} resolution_table_{mtype.c_name} = \{")
if layout isa PHResolutionLayout then
v.add_decl("{layout.masks[mclass_type]},")
end
v.add("if(type == NULL) \{")
v.add_abort("type null")
v.add("\}")
- v.add("if(type->unanchored_table == NULL) \{")
+ v.add("if(type->resolution_table == NULL) \{")
v.add("fprintf(stderr, \"Insantiation of a dead type: %s\\n\", type->name);")
v.add_abort("type dead")
v.add("\}")
# A vararg must be stored into an new array
# The trick is that the dymaic type of the array may depends on the receiver
# of the method (ie recv) if the static type is unresolved
- # This is more complex than usual because the unanchored type must not be resolved
+ # This is more complex than usual because the unresolved type must not be resolved
# with the current receiver (ie self).
# Therefore to isolate the resolution from self, a local Frame is created.
# One can see this implementation as an inlined method of the receiver whose only
do
var compiler = self.compiler
if mtype isa MGenericType and mtype.need_anchor then
- link_unanchored_type(self.frame.mpropdef.mclassdef, mtype)
+ link_unresolved_type(self.frame.mpropdef.mclassdef, mtype)
var recv = self.frame.arguments.first
var recv_type_info = self.type_info(recv)
if compiler.modelbuilder.toolcontext.opt_phmod_typing.value or compiler.modelbuilder.toolcontext.opt_phand_typing.value then
- return self.new_expr("NEW_{mtype.mclass.c_name}((struct type *) {recv_type_info}->unanchored_table->types[HASH({recv_type_info}->unanchored_table->mask, {mtype.const_color})])", mtype)
+ return self.new_expr("NEW_{mtype.mclass.c_name}((struct type *) {recv_type_info}->resolution_table->types[HASH({recv_type_info}->resolution_table->mask, {mtype.const_color})])", mtype)
else
- return self.new_expr("NEW_{mtype.mclass.c_name}((struct type *) {recv_type_info}->unanchored_table->types[{mtype.const_color}])", mtype)
+ return self.new_expr("NEW_{mtype.mclass.c_name}((struct type *) {recv_type_info}->resolution_table->types[{mtype.const_color}])", mtype)
end
end
compiler.undead_types.add(mtype)
var type_struct = self.get_name("type_struct")
self.add_decl("struct type* {type_struct};")
- # Either with unanchored_table with a direct resolution
- link_unanchored_type(self.frame.mpropdef.mclassdef, ntype)
+ # Either with resolution_table with a direct resolution
+ link_unresolved_type(self.frame.mpropdef.mclassdef, ntype)
if compiler.modelbuilder.toolcontext.opt_phmod_typing.value or compiler.modelbuilder.toolcontext.opt_phand_typing.value then
- self.add("{type_struct} = {recv_type_info}->unanchored_table->types[HASH({recv_type_info}->unanchored_table->mask, {ntype.const_color})];")
+ self.add("{type_struct} = {recv_type_info}->resolution_table->types[HASH({recv_type_info}->resolution_table->mask, {ntype.const_color})];")
else
- self.add("{type_struct} = {recv_type_info}->unanchored_table->types[{ntype.const_color}];")
+ self.add("{type_struct} = {recv_type_info}->resolution_table->types[{ntype.const_color}];")
end
if compiler.modelbuilder.toolcontext.opt_typing_test_metrics.value then
self.compiler.count_type_test_unresolved[tag] += 1
assert mtype isa MGenericType
var compiler = self.compiler
if mtype.need_anchor then
- link_unanchored_type(self.frame.mpropdef.mclassdef, mtype)
+ link_unresolved_type(self.frame.mpropdef.mclassdef, mtype)
var recv = self.frame.arguments.first
var recv_type_info = self.type_info(recv)
if compiler.modelbuilder.toolcontext.opt_phmod_typing.value or compiler.modelbuilder.toolcontext.opt_phand_typing.value then
- return self.new_expr("NEW_{mtype.mclass.c_name}({length}, (struct type *) {recv_type_info}->unanchored_table->types[HASH({recv_type_info}->unanchored_table->mask, {mtype.const_color})])", mtype)
+ return self.new_expr("NEW_{mtype.mclass.c_name}({length}, (struct type *) {recv_type_info}->resolution_table->types[HASH({recv_type_info}->resolution_table->mask, {mtype.const_color})])", mtype)
else
- return self.new_expr("NEW_{mtype.mclass.c_name}({length}, (struct type *) {recv_type_info}->unanchored_table->types[{mtype.const_color}])", mtype)
+ return self.new_expr("NEW_{mtype.mclass.c_name}({length}, (struct type *) {recv_type_info}->resolution_table->types[{mtype.const_color}])", mtype)
end
end
compiler.undead_types.add(mtype)
self.ret(res)
end
- fun link_unanchored_type(mclassdef: MClassDef, mtype: MType) do
+ fun link_unresolved_type(mclassdef: MClassDef, mtype: MType) do
assert mtype.need_anchor
var compiler = self.compiler
- if not compiler.live_unanchored_types.has_key(self.frame.mpropdef.mclassdef) then
- compiler.live_unanchored_types[self.frame.mpropdef.mclassdef] = new HashSet[MType]
+ if not compiler.live_unresolved_types.has_key(self.frame.mpropdef.mclassdef) then
+ compiler.live_unresolved_types[self.frame.mpropdef.mclassdef] = new HashSet[MType]
end
- compiler.live_unanchored_types[self.frame.mpropdef.mclassdef].add(mtype)
+ compiler.live_unresolved_types[self.frame.mpropdef.mclassdef].add(mtype)
end
end
nitlanguage / nit.git / commitdiff