var opt_no_union_attribute = new OptionBool("Put primitive attibutes in a box instead of an union", "--no-union-attribute")
# --no-shortcut-equate
var opt_no_shortcut_equate = new OptionBool("Always call == in a polymorphic way", "--no-shortcut-equal")
+ # --colors-are-symbols
+ var opt_colors_are_symbols = new OptionBool("Store colors as symbols (faster)", "--colors-are-symbols")
+
# --inline-coloring-numbers
var opt_inline_coloring_numbers = new OptionBool("Inline colors and ids (semi-global)", "--inline-coloring-numbers")
# --inline-some-methods
self.option_context.add_option(self.opt_separate)
self.option_context.add_option(self.opt_no_inline_intern)
self.option_context.add_option(self.opt_no_union_attribute)
- self.option_context.add_option(self.opt_no_shortcut_equate)
+ self.option_context.add_option(self.opt_no_shortcut_equate, opt_colors_are_symbols)
self.option_context.add_option(self.opt_inline_coloring_numbers, opt_inline_some_methods, opt_direct_call_monomorph, opt_skip_dead_methods, opt_semi_global)
self.option_context.add_option(self.opt_colo_dead_methods)
self.option_context.add_option(self.opt_tables_metrics)
fun compile_color_const(v: SeparateCompilerVisitor, m: Object, color: Int) do
if color_consts_done.has(m) then return
- if m isa MProperty then
+ if m isa MEntity then
if modelbuilder.toolcontext.opt_inline_coloring_numbers.value then
self.provide_declaration(m.const_color, "#define {m.const_color} {color}")
- else
+ else if not modelbuilder.toolcontext.opt_colors_are_symbols.value or not v.compiler.target_platform.supports_linker_script then
self.provide_declaration(m.const_color, "extern const int {m.const_color};")
v.add("const int {m.const_color} = {color};")
- end
- else if m isa MPropDef then
- if modelbuilder.toolcontext.opt_inline_coloring_numbers.value then
- self.provide_declaration(m.const_color, "#define {m.const_color} {color}")
else
- self.provide_declaration(m.const_color, "extern const int {m.const_color};")
- v.add("const int {m.const_color} = {color};")
- end
- else if m isa MType then
- if modelbuilder.toolcontext.opt_inline_coloring_numbers.value then
- self.provide_declaration(m.const_color, "#define {m.const_color} {color}")
- else
- self.provide_declaration(m.const_color, "extern const int {m.const_color};")
- v.add("const int {m.const_color} = {color};")
+ # The color 'C' is the ``address'' of a false static variable 'XC'
+ self.provide_declaration(m.const_color, "#define {m.const_color} ((long)&X{m.const_color})\nextern const void X{m.const_color};")
+ if color == -1 then color = 0 # Symbols cannot be negative, so just use 0 for dead things
+ # Teach the linker that the address of 'XC' is `color`.
+ linker_script.add("X{m.const_color} = {color};")
end
+ else
+ abort
end
color_consts_done.add(m)
end
var res: nullable RuntimeVariable = null
var recv = arguments.first
var consider_null = not self.compiler.modelbuilder.toolcontext.opt_no_check_null.value or mmethod.name == "==" or mmethod.name == "!="
- var maybenull = recv.mcasttype isa MNullableType and consider_null
+ var maybenull = (recv.mcasttype isa MNullableType or recv.mcasttype isa MNullType) and consider_null
if maybenull then
self.add("if ({recv} == NULL) \{")
- if mmethod.name == "==" then
+ if mmethod.name == "==" or mmethod.name == "is_same_instance" then
res = self.new_var(bool_type)
var arg = arguments[1]
if arg.mcasttype isa MNullableType then
else
self.add("\{")
end
- if not self.compiler.modelbuilder.toolcontext.opt_no_shortcut_equate.value and (mmethod.name == "==" or mmethod.name == "!=") then
- if res == null then res = self.new_var(bool_type)
- # Recv is not null, thus is arg is, it is easy to conclude (and respect the invariants)
+ if not self.compiler.modelbuilder.toolcontext.opt_no_shortcut_equate.value and (mmethod.name == "==" or mmethod.name == "!=" or mmethod.name == "is_same_instance") then
+ # Recv is not null, thus if arg is, it is easy to conclude (and respect the invariants)
var arg = arguments[1]
if arg.mcasttype isa MNullType then
- if mmethod.name == "==" then
- self.add("{res} = 0; /* arg is null but recv is not */")
- else
+ if res == null then res = self.new_var(bool_type)
+ if mmethod.name == "!=" then
self.add("{res} = 1; /* arg is null and recv is not */")
+ else # `==` and `is_same_instance`
+ self.add("{res} = 0; /* arg is null but recv is not */")
end
self.add("\}") # closes the null case
self.add("if (0) \{") # what follow is useless, CC will drop it
(compiler.modelbuilder.toolcontext.opt_inline_some_methods.value and mmethoddef.can_inline(self)) then
compiler.modelbuilder.nb_invok_by_inline += 1
if compiler.modelbuilder.toolcontext.opt_invocation_metrics.value then add("count_invoke_by_inline++;")
- var frame = new Frame(self, mmethoddef, recvtype, arguments)
+ var frame = new StaticFrame(self, mmethoddef, recvtype, arguments)
frame.returnlabel = self.get_name("RET_LABEL")
frame.returnvar = res
var old_frame = self.frame
# of the method (ie recv) if the static type is unresolved
# 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.
+ # Therefore to isolate the resolution from self, a local StaticFrame is created.
# One can see this implementation as an inlined method of the receiver whose only
# job is to allocate the array
var old_frame = self.frame
- var frame = new Frame(self, mpropdef, mpropdef.mclassdef.bound_mtype, [recv])
+ var frame = new StaticFrame(self, mpropdef, mpropdef.mclassdef.bound_mtype, [recv])
self.frame = frame
#print "required Array[{elttype}] for recv {recv.inspect}. bound=Array[{self.resolve_for(elttype, recv)}]. selfvar={frame.arguments.first.inspect}"
var res = self.array_instance(varargs, elttype)
var v = compiler.new_visitor
var selfvar = new RuntimeVariable("self", recv, recv)
var arguments = new Array[RuntimeVariable]
- var frame = new Frame(v, mmethoddef, recv, arguments)
+ var frame = new StaticFrame(v, mmethoddef, recv, arguments)
v.frame = frame
var msignature = mmethoddef.msignature.resolve_for(mmethoddef.mclassdef.bound_mtype, mmethoddef.mclassdef.bound_mtype, mmethoddef.mclassdef.mmodule, true)
var v = compiler.new_visitor
var selfvar = new RuntimeVariable("self", v.object_type, recv)
var arguments = new Array[RuntimeVariable]
- var frame = new Frame(v, mmethoddef, recv, arguments)
+ var frame = new StaticFrame(v, mmethoddef, recv, arguments)
v.frame = frame
var sig = new FlatBuffer
redef fun call(v, arguments) do abort
end
-redef class MType
- fun const_color: String do return "COLOR_{c_name}"
+redef class MEntity
+ var const_color: String is lazy do return "COLOR_{c_name}"
end
interface PropertyLayoutElement end
redef class MProperty
super PropertyLayoutElement
- fun const_color: String do return "COLOR_{c_name}"
end
redef class MPropDef
super PropertyLayoutElement
- fun const_color: String do return "COLOR_{c_name}"
end
redef class AMethPropdef
nitlanguage / nit.git / blobdiff