+++ /dev/null
-# This file is part of NIT ( http://www.nitlanguage.org ).
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# Separate compilation of a Nit program
-module separate_compiler
-
-import abstract_compiler
-import coloring
-import rapid_type_analysis
-
-# Add separate compiler specific options
-redef class ToolContext
- # --separate
- var opt_separate: OptionBool = new OptionBool("Use separate compilation", "--separate")
- # --no-inline-intern
- var opt_no_inline_intern: OptionBool = new OptionBool("Do not inline call to intern methods", "--no-inline-intern")
- # --no-union-attribute
- var opt_no_union_attribute: OptionBool = new OptionBool("Put primitive attibutes in a box instead of an union", "--no-union-attribute")
- # --no-shortcut-equate
- var opt_no_shortcut_equate: OptionBool = new OptionBool("Always call == in a polymorphic way", "--no-shortcut-equal")
- # --inline-coloring-numbers
- var opt_inline_coloring_numbers: OptionBool = new OptionBool("Inline colors and ids (semi-global)", "--inline-coloring-numbers")
- # --inline-some-methods
- var opt_inline_some_methods: OptionBool = new OptionBool("Allow the separate compiler to inline some methods (semi-global)", "--inline-some-methods")
- # --direct-call-monomorph
- var opt_direct_call_monomorph: OptionBool = new OptionBool("Allow the separate compiler to direct call monomorph sites (semi-global)", "--direct-call-monomorph")
- # --skip-dead-methods
- var opt_skip_dead_methods = new OptionBool("Do not compile dead methods (semi-global)", "--skip-dead-methods")
- # --semi-global
- var opt_semi_global = new OptionBool("Enable all semi-global optimizations", "--semi-global")
- # --no-colo-dead-methods
- var opt_colo_dead_methods = new OptionBool("Force colorization of dead methods", "--colo-dead-methods")
- # --tables-metrics
- var opt_tables_metrics: OptionBool = new OptionBool("Enable static size measuring of tables used for vft, typing and resolution", "--tables-metrics")
-
- redef init
- do
- super
- 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_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)
- end
-
- redef fun process_options(args)
- do
- super
-
- var tc = self
- if tc.opt_semi_global.value then
- tc.opt_inline_coloring_numbers.value = true
- tc.opt_inline_some_methods.value = true
- tc.opt_direct_call_monomorph.value = true
- tc.opt_skip_dead_methods.value = true
- end
- end
-
- var separate_compiler_phase = new SeparateCompilerPhase(self, null)
-end
-
-class SeparateCompilerPhase
- super Phase
- redef fun process_mainmodule(mainmodule, given_mmodules) do
- if not toolcontext.opt_separate.value then return
-
- var modelbuilder = toolcontext.modelbuilder
- var analysis = modelbuilder.do_rapid_type_analysis(mainmodule)
- modelbuilder.run_separate_compiler(mainmodule, analysis)
- end
-end
-
-redef class ModelBuilder
- fun run_separate_compiler(mainmodule: MModule, runtime_type_analysis: nullable RapidTypeAnalysis)
- do
- var time0 = get_time
- self.toolcontext.info("*** GENERATING C ***", 1)
-
- var compiler = new SeparateCompiler(mainmodule, self, runtime_type_analysis)
- compiler.compile_header
-
- # compile class structures
- self.toolcontext.info("Property coloring", 2)
- compiler.new_file("{mainmodule.name}.classes")
- compiler.do_property_coloring
- for m in mainmodule.in_importation.greaters do
- for mclass in m.intro_mclasses do
- if mclass.kind == abstract_kind or mclass.kind == interface_kind then continue
- compiler.compile_class_to_c(mclass)
- end
- end
-
- # The main function of the C
- compiler.new_file("{mainmodule.name}.main")
- compiler.compile_nitni_global_ref_functions
- compiler.compile_main_function
- compiler.compile_finalizer_function
-
- # compile methods
- for m in mainmodule.in_importation.greaters do
- self.toolcontext.info("Generate C for module {m}", 2)
- compiler.new_file("{m.name}.sep")
- compiler.compile_module_to_c(m)
- end
-
- # compile live & cast type structures
- self.toolcontext.info("Type coloring", 2)
- compiler.new_file("{mainmodule.name}.types")
- var mtypes = compiler.do_type_coloring
- for t in mtypes do
- compiler.compile_type_to_c(t)
- end
- # compile remaining types structures (useless but needed for the symbol resolution at link-time)
- for t in compiler.undead_types do
- if mtypes.has(t) then continue
- compiler.compile_type_to_c(t)
- end
-
- compiler.display_stats
-
- var time1 = get_time
- self.toolcontext.info("*** END GENERATING C: {time1-time0} ***", 2)
- write_and_make(compiler)
- end
-
- # Count number of invocations by VFT
- private var nb_invok_by_tables = 0
- # Count number of invocations by direct call
- private var nb_invok_by_direct = 0
- # Count number of invocations by inlining
- private var nb_invok_by_inline = 0
-end
-
-# Singleton that store the knowledge about the separate compilation process
-class SeparateCompiler
- super AbstractCompiler
-
- redef type VISITOR: SeparateCompilerVisitor
-
- # The result of the RTA (used to know live types and methods)
- var runtime_type_analysis: nullable RapidTypeAnalysis
-
- private var undead_types: Set[MType] = new HashSet[MType]
- private var live_unresolved_types: Map[MClassDef, Set[MType]] = new HashMap[MClassDef, HashSet[MType]]
-
- private var type_ids: Map[MType, Int]
- private var type_colors: Map[MType, Int]
- private var opentype_colors: Map[MType, Int]
- protected var method_colors: Map[PropertyLayoutElement, Int]
- protected var attr_colors: Map[MAttribute, Int]
-
- init(mainmodule: MModule, mmbuilder: ModelBuilder, runtime_type_analysis: nullable RapidTypeAnalysis) do
- super(mainmodule, mmbuilder)
- var file = new_file("nit.common")
- self.header = new CodeWriter(file)
- self.runtime_type_analysis = runtime_type_analysis
- self.compile_box_kinds
- end
-
- redef fun compile_header_structs do
- self.header.add_decl("typedef void(*nitmethod_t)(void); /* general C type representing a Nit method. */")
- self.compile_header_attribute_structs
- self.header.add_decl("struct class \{ int box_kind; nitmethod_t vft[]; \}; /* general C type representing a Nit class. */")
-
- # 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; const struct types *resolution_table; int table_size; int type_table[]; \}; /* general C type representing a Nit type. */")
- self.header.add_decl("struct instance \{ const struct type *type; const struct class *class; nitattribute_t attrs[]; \}; /* general C type representing a Nit instance. */")
- self.header.add_decl("struct types \{ int dummy; const struct type *types[]; \}; /* a list types (used for vts, fts and unresolved lists). */")
- self.header.add_decl("typedef struct instance val; /* general C type representing a Nit instance. */")
- end
-
- fun compile_header_attribute_structs
- do
- if modelbuilder.toolcontext.opt_no_union_attribute.value then
- self.header.add_decl("typedef void* nitattribute_t; /* general C type representing a Nit attribute. */")
- else
- self.header.add_decl("typedef union \{")
- self.header.add_decl("void* val;")
- for c, v in self.box_kinds do
- var t = c.mclass_type
-
- # `Pointer` reuse the `val` field
- if t.mclass.name == "Pointer" then continue
-
- self.header.add_decl("{t.ctype_extern} {t.ctypename};")
- end
- self.header.add_decl("\} nitattribute_t; /* general C type representing a Nit attribute. */")
- end
- end
-
- fun compile_box_kinds
- do
- # Collect all bas box class
- # FIXME: this is not completely fine with a separate compilation scheme
- for classname in ["Int", "Bool", "Char", "Float", "NativeString", "Pointer"] do
- var classes = self.mainmodule.model.get_mclasses_by_name(classname)
- if classes == null then continue
- assert classes.length == 1 else print classes.join(", ")
- self.box_kinds[classes.first] = self.box_kinds.length + 1
- end
- end
-
- var box_kinds = new HashMap[MClass, Int]
-
- fun box_kind_of(mclass: MClass): Int
- do
- #var pointer_type = self.mainmodule.pointer_type
- #if mclass.mclass_type.ctype == "val*" or mclass.mclass_type.is_subtype(self.mainmodule, mclass.mclass_type pointer_type) then
- if mclass.mclass_type.ctype_extern == "val*" then
- return 0
- else if mclass.kind == extern_kind and mclass.name != "NativeString" then
- return self.box_kinds[self.mainmodule.get_primitive_class("Pointer")]
- else
- return self.box_kinds[mclass]
- end
-
- end
-
- fun compile_color_consts(colors: Map[Object, Int]) do
- var v = new_visitor
- for m, c in colors do
- compile_color_const(v, m, c)
- end
- end
-
- 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 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 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};")
- end
- end
- color_consts_done.add(m)
- end
-
- private var color_consts_done = new HashSet[Object]
-
- # colorize classe properties
- fun do_property_coloring do
-
- var rta = runtime_type_analysis
-
- # Layouts
- var poset = mainmodule.flatten_mclass_hierarchy
- var mclasses = new HashSet[MClass].from(poset)
- var colorer = new POSetColorer[MClass]
- colorer.colorize(poset)
-
- # The dead methods, still need to provide a dead color symbol
- var dead_methods = new Array[MMethod]
-
- # lookup properties to build layout with
- var mmethods = new HashMap[MClass, Set[PropertyLayoutElement]]
- var mattributes = new HashMap[MClass, Set[MAttribute]]
- for mclass in mclasses do
- mmethods[mclass] = new HashSet[PropertyLayoutElement]
- mattributes[mclass] = new HashSet[MAttribute]
- for mprop in self.mainmodule.properties(mclass) do
- if mprop isa MMethod then
- if not modelbuilder.toolcontext.opt_colo_dead_methods.value and rta != null and not rta.live_methods.has(mprop) then
- dead_methods.add(mprop)
- continue
- end
- mmethods[mclass].add(mprop)
- else if mprop isa MAttribute then
- mattributes[mclass].add(mprop)
- end
- end
- end
-
- # Collect all super calls (dead or not)
- var all_super_calls = new HashSet[MMethodDef]
- for mmodule in self.mainmodule.in_importation.greaters do
- for mclassdef in mmodule.mclassdefs do
- for mpropdef in mclassdef.mpropdefs do
- if not mpropdef isa MMethodDef then continue
- if mpropdef.has_supercall then
- all_super_calls.add(mpropdef)
- end
- end
- end
- end
-
- # lookup super calls and add it to the list of mmethods to build layout with
- var super_calls
- if rta != null then
- super_calls = rta.live_super_sends
- else
- super_calls = all_super_calls
- end
-
- for mmethoddef in super_calls do
- var mclass = mmethoddef.mclassdef.mclass
- mmethods[mclass].add(mmethoddef)
- for descendant in mclass.in_hierarchy(self.mainmodule).smallers do
- mmethods[descendant].add(mmethoddef)
- end
- end
-
- # methods coloration
- var meth_colorer = new POSetBucketsColorer[MClass, PropertyLayoutElement](poset, colorer.conflicts)
- method_colors = meth_colorer.colorize(mmethods)
- method_tables = build_method_tables(mclasses, super_calls)
- compile_color_consts(method_colors)
-
- # attribute null color to dead methods and supercalls
- for mproperty in dead_methods do
- compile_color_const(new_visitor, mproperty, -1)
- end
- for mpropdef in all_super_calls do
- if super_calls.has(mpropdef) then continue
- compile_color_const(new_visitor, mpropdef, -1)
- end
-
- # attributes coloration
- var attr_colorer = new POSetBucketsColorer[MClass, MAttribute](poset, colorer.conflicts)
- attr_colors = attr_colorer.colorize(mattributes)
- attr_tables = build_attr_tables(mclasses)
- compile_color_consts(attr_colors)
- end
-
- fun build_method_tables(mclasses: Set[MClass], super_calls: Set[MMethodDef]): Map[MClass, Array[nullable MPropDef]] do
- var tables = new HashMap[MClass, Array[nullable MPropDef]]
- for mclass in mclasses do
- var table = new Array[nullable MPropDef]
- tables[mclass] = table
-
- var mproperties = self.mainmodule.properties(mclass)
- var mtype = mclass.intro.bound_mtype
-
- for mproperty in mproperties do
- if not mproperty isa MMethod then continue
- if not method_colors.has_key(mproperty) then continue
- var color = method_colors[mproperty]
- if table.length <= color then
- for i in [table.length .. color[ do
- table[i] = null
- end
- end
- table[color] = mproperty.lookup_first_definition(mainmodule, mtype)
- end
-
- for supercall in super_calls do
- if not mtype.collect_mclassdefs(mainmodule).has(supercall.mclassdef) then continue
-
- var color = method_colors[supercall]
- if table.length <= color then
- for i in [table.length .. color[ do
- table[i] = null
- end
- end
- var mmethoddef = supercall.lookup_next_definition(mainmodule, mtype)
- table[color] = mmethoddef
- end
-
- end
- return tables
- end
-
- fun build_attr_tables(mclasses: Set[MClass]): Map[MClass, Array[nullable MPropDef]] do
- var tables = new HashMap[MClass, Array[nullable MPropDef]]
- for mclass in mclasses do
- var table = new Array[nullable MPropDef]
- tables[mclass] = table
-
- var mproperties = self.mainmodule.properties(mclass)
- var mtype = mclass.intro.bound_mtype
-
- for mproperty in mproperties do
- if not mproperty isa MAttribute then continue
- if not attr_colors.has_key(mproperty) then continue
- var color = attr_colors[mproperty]
- if table.length <= color then
- for i in [table.length .. color[ do
- table[i] = null
- end
- end
- table[color] = mproperty.lookup_first_definition(mainmodule, mtype)
- end
- end
- return tables
- end
-
- # colorize live types of the program
- private fun do_type_coloring: POSet[MType] do
- # Collect types to colorize
- var live_types = runtime_type_analysis.live_types
- var live_cast_types = runtime_type_analysis.live_cast_types
- var mtypes = new HashSet[MType]
- mtypes.add_all(live_types)
- mtypes.add_all(live_cast_types)
- for c in self.box_kinds.keys do
- mtypes.add(c.mclass_type)
- end
-
- # Compute colors
- var poset = poset_from_mtypes(mtypes)
- var colorer = new POSetColorer[MType]
- colorer.colorize(poset)
- type_ids = colorer.ids
- type_colors = colorer.colors
- type_tables = build_type_tables(poset)
-
- # VT and FT are stored with other unresolved types in the big resolution_tables
- self.compile_resolution_tables(mtypes)
-
- return poset
- end
-
- private fun poset_from_mtypes(mtypes: Set[MType]): POSet[MType] do
- var poset = new POSet[MType]
- for e in mtypes do
- poset.add_node(e)
- for o in mtypes do
- if e == o then continue
- if e.is_subtype(mainmodule, null, o) then
- poset.add_edge(e, o)
- end
- end
- end
- return poset
- end
-
- # Build type tables
- fun build_type_tables(mtypes: POSet[MType]): Map[MType, Array[nullable MType]] do
- var tables = new HashMap[MType, Array[nullable MType]]
- for mtype in mtypes do
- var table = new Array[nullable MType]
- for sup in mtypes[mtype].greaters do
- var color = type_colors[sup]
- if table.length <= color then
- for i in [table.length .. color[ do
- table[i] = null
- end
- end
- table[color] = sup
- end
- tables[mtype] = table
- 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)
-
- # 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)
-
- # Determinate fo each livetype what are its possible requested anchored types
- 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_unresolved_types.has_key(cd) then
- set.add_all(self.live_unresolved_types[cd])
- end
- end
- mtype2unresolved[mtype] = set
- end
-
- # Compute the table layout with the prefered method
- var colorer = new BucketsColorer[MType, MType]
- opentype_colors = colorer.colorize(mtype2unresolved)
- resolution_tables = self.build_resolution_tables(mtype2unresolved)
-
- # 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_unresolved_types_colors = new HashMap[MType, Int]
- for t in all_unresolved do
- if opentype_colors.has_key(t) then
- all_unresolved_types_colors[t] = opentype_colors[t]
- else
- all_unresolved_types_colors[t] = -1
- end
- end
- self.compile_color_consts(all_unresolved_types_colors)
-
- #print "tables"
- #for k, v in unresolved_types_tables.as(not null) do
- # print "{k}: {v.join(", ")}"
- #end
- #print ""
- end
-
- fun build_resolution_tables(elements: Map[MClassType, Set[MType]]): Map[MClassType, Array[nullable MType]] do
- var tables = new HashMap[MClassType, Array[nullable MType]]
- for mclasstype, mtypes in elements do
- var table = new Array[nullable MType]
- for mtype in mtypes do
- var color = opentype_colors[mtype]
- if table.length <= color then
- for i in [table.length .. color[ do
- table[i] = null
- end
- end
- table[color] = mtype
- end
- tables[mclasstype] = table
- end
- return tables
- end
-
- # Separately compile all the method definitions of the module
- fun compile_module_to_c(mmodule: MModule)
- do
- var old_module = self.mainmodule
- self.mainmodule = mmodule
- for cd in mmodule.mclassdefs do
- for pd in cd.mpropdefs do
- if not pd isa MMethodDef then continue
- var rta = runtime_type_analysis
- if modelbuilder.toolcontext.opt_skip_dead_methods.value and rta != null and not rta.live_methoddefs.has(pd) then continue
- #print "compile {pd} @ {cd} @ {mmodule}"
- var r = pd.separate_runtime_function
- r.compile_to_c(self)
- var r2 = pd.virtual_runtime_function
- r2.compile_to_c(self)
- end
- end
- self.mainmodule = old_module
- end
-
- # Globaly compile the type structure of a live type
- fun compile_type_to_c(mtype: MType)
- do
- assert not mtype.need_anchor
- var is_live = mtype isa MClassType and runtime_type_analysis.live_types.has(mtype)
- var is_cast_live = runtime_type_analysis.live_cast_types.has(mtype)
- var c_name = mtype.c_name
- var v = new SeparateCompilerVisitor(self)
- v.add_decl("/* runtime type {mtype} */")
-
- # extern const struct type_X
- self.provide_declaration("type_{c_name}", "extern const struct type type_{c_name};")
-
- # const struct type_X
- v.add_decl("const struct type type_{c_name} = \{")
-
- # type id (for cast target)
- if is_cast_live then
- v.add_decl("{type_ids[mtype]},")
- else
- v.add_decl("-1, /*CAST DEAD*/")
- end
-
- # type name
- v.add_decl("\"{mtype}\", /* class_name_string */")
-
- # type color (for cast target)
- if is_cast_live then
- v.add_decl("{type_colors[mtype]},")
- else
- v.add_decl("-1, /*CAST DEAD*/")
- end
-
- # is_nullable bit
- if mtype isa MNullableType then
- v.add_decl("1,")
- else
- v.add_decl("0,")
- end
-
- # resolution table (for receiver)
- if is_live then
- var mclass_type = mtype.as_notnullable
- assert mclass_type isa MClassType
- if resolution_tables[mclass_type].is_empty then
- v.add_decl("NULL, /*NO RESOLUTIONS*/")
- else
- compile_type_resolution_table(mtype)
- v.require_declaration("resolution_table_{c_name}")
- v.add_decl("&resolution_table_{c_name},")
- end
- else
- v.add_decl("NULL, /*DEAD*/")
- end
-
- # cast table (for receiver)
- if is_live then
- v.add_decl("{self.type_tables[mtype].length},")
- v.add_decl("\{")
- for stype in self.type_tables[mtype] do
- if stype == null then
- v.add_decl("-1, /* empty */")
- else
- v.add_decl("{type_ids[stype]}, /* {stype} */")
- end
- end
- v.add_decl("\},")
- else
- v.add_decl("0, \{\}, /*DEAD TYPE*/")
- end
- v.add_decl("\};")
- end
-
- fun compile_type_resolution_table(mtype: MType) do
-
- var mclass_type = mtype.as_notnullable.as(MClassType)
-
- # extern const struct resolution_table_X resolution_table_X
- self.provide_declaration("resolution_table_{mtype.c_name}", "extern const struct types resolution_table_{mtype.c_name};")
-
- # const struct fts_table_X fts_table_X
- var v = new_visitor
- v.add_decl("const struct types resolution_table_{mtype.c_name} = \{")
- v.add_decl("0, /* dummy */")
- v.add_decl("\{")
- for t in self.resolution_tables[mclass_type] do
- if t == null then
- v.add_decl("NULL, /* empty */")
- else
- # The table stores the result of the type resolution
- # Therefore, for a receiver `mclass_type`, and a unresolved type `t`
- # the value stored is tv.
- var tv = t.resolve_for(mclass_type, mclass_type, self.mainmodule, true)
- # FIXME: What typeids means here? How can a tv not be live?
- if type_ids.has_key(tv) then
- v.require_declaration("type_{tv.c_name}")
- v.add_decl("&type_{tv.c_name}, /* {t}: {tv} */")
- else
- v.add_decl("NULL, /* empty ({t}: {tv} not a live type) */")
- end
- end
- end
- v.add_decl("\}")
- v.add_decl("\};")
- end
-
- # Globally compile the table of the class mclass
- # In a link-time optimisation compiler, tables are globally computed
- # In a true separate compiler (a with dynamic loading) you cannot do this unfortnally
- fun compile_class_to_c(mclass: MClass)
- do
- 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
- var is_dead = rta != null and not rta.live_classes.has(mclass) and mtype.ctype == "val*" and mclass.name != "NativeArray" and mclass.name != "Pointer"
-
- v.add_decl("/* runtime class {c_name} */")
-
- # Build class vft
- if not is_dead then
- self.provide_declaration("class_{c_name}", "extern const struct class class_{c_name};")
- 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 mpropdef = vft[i]
- if mpropdef == null then
- v.add_decl("NULL, /* empty */")
- else
- assert mpropdef isa MMethodDef
- if rta != null and not rta.live_methoddefs.has(mpropdef) then
- v.add_decl("NULL, /* DEAD {mclass.intro_mmodule}:{mclass}:{mpropdef} */")
- continue
- end
- var rf = mpropdef.virtual_runtime_function
- v.require_declaration(rf.c_name)
- v.add_decl("(nitmethod_t){rf.c_name}, /* pointer to {mclass.intro_mmodule}:{mclass}:{mpropdef} */")
- end
- end
- v.add_decl("\}")
- v.add_decl("\};")
- end
-
- if mtype.ctype != "val*" or mtype.mclass.name == "Pointer" then
- # Is a primitive type or the Pointer class, not any other extern class
-
- #Build instance struct
- self.header.add_decl("struct instance_{c_name} \{")
- self.header.add_decl("const struct type *type;")
- self.header.add_decl("const struct class *class;")
- self.header.add_decl("{mtype.ctype_extern} value;")
- self.header.add_decl("\};")
-
- if not rta.live_types.has(mtype) and mtype.mclass.name != "Pointer" then return
-
- #Build BOX
- self.provide_declaration("BOX_{c_name}", "val* BOX_{c_name}({mtype.ctype_extern});")
- v.add_decl("/* allocate {mtype} */")
- v.add_decl("val* BOX_{mtype.c_name}({mtype.ctype_extern} value) \{")
- v.add("struct instance_{c_name}*res = nit_alloc(sizeof(struct instance_{c_name}));")
- v.compiler.undead_types.add(mtype)
- v.require_declaration("type_{c_name}")
- v.add("res->type = &type_{c_name};")
- v.require_declaration("class_{c_name}")
- v.add("res->class = &class_{c_name};")
- v.add("res->value = value;")
- v.add("return (val*)res;")
- v.add("\}")
-
- if mtype.mclass.name != "Pointer" then return
-
- v = new_visitor
- self.provide_declaration("NEW_{c_name}", "{mtype.ctype} NEW_{c_name}(const struct type* type);")
- v.add_decl("/* allocate {mtype} */")
- v.add_decl("{mtype.ctype} NEW_{c_name}(const struct type* type) \{")
- if is_dead then
- v.add_abort("{mclass} is DEAD")
- else
- var res = v.new_named_var(mtype, "self")
- res.is_exact = true
- v.add("{res} = nit_alloc(sizeof(struct instance_{mtype.c_name}));")
- v.add("{res}->type = type;")
- hardening_live_type(v, "type")
- v.require_declaration("class_{c_name}")
- v.add("{res}->class = &class_{c_name};")
- v.add("((struct instance_{mtype.c_name}*){res})->value = NULL;")
- v.add("return {res};")
- end
- v.add("\}")
- return
- else if mclass.name == "NativeArray" then
- #Build instance struct
- self.header.add_decl("struct instance_{c_name} \{")
- self.header.add_decl("const struct type *type;")
- self.header.add_decl("const struct class *class;")
- # NativeArrays are just a instance header followed by a length and an array of values
- self.header.add_decl("int length;")
- self.header.add_decl("val* values[0];")
- self.header.add_decl("\};")
-
- #Build NEW
- self.provide_declaration("NEW_{c_name}", "{mtype.ctype} NEW_{c_name}(int length, const struct type* type);")
- v.add_decl("/* allocate {mtype} */")
- v.add_decl("{mtype.ctype} NEW_{c_name}(int length, const struct type* type) \{")
- var res = v.get_name("self")
- v.add_decl("struct instance_{c_name} *{res};")
- var mtype_elt = mtype.arguments.first
- v.add("{res} = nit_alloc(sizeof(struct instance_{c_name}) + length*sizeof({mtype_elt.ctype}));")
- v.add("{res}->type = type;")
- hardening_live_type(v, "type")
- v.require_declaration("class_{c_name}")
- v.add("{res}->class = &class_{c_name};")
- v.add("{res}->length = length;")
- v.add("return (val*){res};")
- v.add("\}")
- return
- else if mtype.mclass.kind == extern_kind and mtype.mclass.name != "NativeString" then
- # Is an extern class (other than Pointer and NativeString)
- # Pointer is caught in a previous `if`, and NativeString is internal
-
- var pointer_type = mainmodule.pointer_type
-
- self.provide_declaration("NEW_{c_name}", "{mtype.ctype} NEW_{c_name}(const struct type* type);")
- v.add_decl("/* allocate {mtype} */")
- v.add_decl("{mtype.ctype} NEW_{c_name}(const struct type* type) \{")
- if is_dead then
- v.add_abort("{mclass} is DEAD")
- else
- var res = v.new_named_var(mtype, "self")
- res.is_exact = true
- v.add("{res} = nit_alloc(sizeof(struct instance_{pointer_type.c_name}));")
- v.add("{res}->type = type;")
- hardening_live_type(v, "type")
- v.require_declaration("class_{c_name}")
- v.add("{res}->class = &class_{c_name};")
- v.add("((struct instance_{pointer_type.c_name}*){res})->value = NULL;")
- v.add("return {res};")
- end
- v.add("\}")
- return
- end
-
- #Build NEW
- self.provide_declaration("NEW_{c_name}", "{mtype.ctype} NEW_{c_name}(const struct type* type);")
- v.add_decl("/* allocate {mtype} */")
- v.add_decl("{mtype.ctype} NEW_{c_name}(const struct type* type) \{")
- if is_dead then
- v.add_abort("{mclass} is DEAD")
- 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));")
- 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
- v.add("return {res};")
- end
- v.add("\}")
- end
-
- # Add a dynamic test to ensure that the type referenced by `t` is a live type
- fun hardening_live_type(v: VISITOR, t: String)
- do
- if not v.compiler.modelbuilder.toolcontext.opt_hardening.value then return
- v.add("if({t} == NULL) \{")
- v.add_abort("type null")
- v.add("\}")
- v.add("if({t}->table_size == 0) \{")
- v.add("PRINT_ERROR(\"Insantiation of a dead type: %s\\n\", {t}->name);")
- v.add_abort("type dead")
- v.add("\}")
- end
-
- redef fun new_visitor do return new SeparateCompilerVisitor(self)
-
- # Stats
-
- private var type_tables: Map[MType, Array[nullable MType]] = new HashMap[MType, Array[nullable MType]]
- private var resolution_tables: Map[MClassType, Array[nullable MType]] = new HashMap[MClassType, Array[nullable MType]]
- protected var method_tables: Map[MClass, Array[nullable MPropDef]] = new HashMap[MClass, Array[nullable MPropDef]]
- protected var attr_tables: Map[MClass, Array[nullable MPropDef]] = new HashMap[MClass, Array[nullable MPropDef]]
-
- redef fun display_stats
- do
- super
- if self.modelbuilder.toolcontext.opt_tables_metrics.value then
- display_sizes
- end
- if self.modelbuilder.toolcontext.opt_isset_checks_metrics.value then
- display_isset_checks
- end
- var tc = self.modelbuilder.toolcontext
- tc.info("# implementation of method invocation",2)
- var nb_invok_total = modelbuilder.nb_invok_by_tables + modelbuilder.nb_invok_by_direct + modelbuilder.nb_invok_by_inline
- tc.info("total number of invocations: {nb_invok_total}",2)
- tc.info("invocations by VFT send: {modelbuilder.nb_invok_by_tables} ({div(modelbuilder.nb_invok_by_tables,nb_invok_total)}%)",2)
- tc.info("invocations by direct call: {modelbuilder.nb_invok_by_direct} ({div(modelbuilder.nb_invok_by_direct,nb_invok_total)}%)",2)
- tc.info("invocations by inlining: {modelbuilder.nb_invok_by_inline} ({div(modelbuilder.nb_invok_by_inline,nb_invok_total)}%)",2)
- end
-
- fun display_sizes
- do
- print "# size of subtyping tables"
- print "\ttotal \tholes"
- var total = 0
- var holes = 0
- for t, table in type_tables do
- total += table.length
- for e in table do if e == null then holes += 1
- end
- print "\t{total}\t{holes}"
-
- print "# size of resolution tables"
- print "\ttotal \tholes"
- total = 0
- holes = 0
- for t, table in resolution_tables do
- total += table.length
- for e in table do if e == null then holes += 1
- end
- print "\t{total}\t{holes}"
-
- print "# size of methods tables"
- print "\ttotal \tholes"
- total = 0
- holes = 0
- for t, table in method_tables do
- total += table.length
- for e in table do if e == null then holes += 1
- end
- print "\t{total}\t{holes}"
-
- print "# size of attributes tables"
- print "\ttotal \tholes"
- total = 0
- holes = 0
- for t, table in attr_tables do
- total += table.length
- for e in table do if e == null then holes += 1
- end
- print "\t{total}\t{holes}"
- end
-
- protected var isset_checks_count = 0
- protected var attr_read_count = 0
-
- fun display_isset_checks do
- print "# total number of compiled attribute reads"
- print "\t{attr_read_count}"
- print "# total number of compiled isset-checks"
- print "\t{isset_checks_count}"
- end
-
- redef fun compile_nitni_structs
- do
- self.header.add_decl """
-struct nitni_instance \{
- struct nitni_instance *next,
- *prev; /* adjacent global references in global list */
- int count; /* number of time this global reference has been marked */
- struct instance *value;
-\};
-"""
- super
- end
-
- redef fun finalize_ffi_for_module(mmodule)
- do
- var old_module = self.mainmodule
- self.mainmodule = mmodule
- super
- self.mainmodule = old_module
- end
-end
-
-# A visitor on the AST of property definition that generate the C code of a separate compilation process.
-class SeparateCompilerVisitor
- super AbstractCompilerVisitor
-
- redef type COMPILER: SeparateCompiler
-
- redef fun adapt_signature(m, args)
- do
- var msignature = m.msignature.resolve_for(m.mclassdef.bound_mtype, m.mclassdef.bound_mtype, m.mclassdef.mmodule, true)
- var recv = args.first
- if recv.mtype.ctype != m.mclassdef.mclass.mclass_type.ctype then
- args.first = self.autobox(args.first, m.mclassdef.mclass.mclass_type)
- end
- for i in [0..msignature.arity[ do
- var t = msignature.mparameters[i].mtype
- if i == msignature.vararg_rank then
- t = args[i+1].mtype
- end
- args[i+1] = self.autobox(args[i+1], t)
- end
- end
-
- redef fun unbox_signature_extern(m, args)
- do
- var msignature = m.msignature.resolve_for(m.mclassdef.bound_mtype, m.mclassdef.bound_mtype, m.mclassdef.mmodule, true)
- var recv = args.first
- if not m.mproperty.is_init and m.is_extern then
- args.first = self.unbox_extern(args.first, m.mclassdef.mclass.mclass_type)
- end
- for i in [0..msignature.arity[ do
- var t = msignature.mparameters[i].mtype
- if i == msignature.vararg_rank then
- t = args[i+1].mtype
- end
- if m.is_extern then args[i+1] = self.unbox_extern(args[i+1], t)
- end
- end
-
- redef fun autobox(value, mtype)
- do
- if value.mtype == mtype then
- return value
- else if value.mtype.ctype == "val*" and mtype.ctype == "val*" then
- return value
- else if value.mtype.ctype == "val*" then
- return self.new_expr("((struct instance_{mtype.c_name}*){value})->value; /* autounbox from {value.mtype} to {mtype} */", mtype)
- else if mtype.ctype == "val*" then
- var valtype = value.mtype.as(MClassType)
- if mtype isa MClassType and mtype.mclass.kind == extern_kind and mtype.mclass.name != "NativeString" then
- valtype = compiler.mainmodule.pointer_type
- end
- 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);")
- return res
- end
- self.require_declaration("BOX_{valtype.c_name}")
- self.add("{res} = BOX_{valtype.c_name}({value}); /* autobox from {value.mtype} to {mtype} */")
- return res
- else if (value.mtype.ctype == "void*" and mtype.ctype == "void*") or
- (value.mtype.ctype == "char*" and mtype.ctype == "void*") or
- (value.mtype.ctype == "void*" and mtype.ctype == "char*") then
- return value
- else
- # 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);")
- return res
- end
- end
-
- redef fun unbox_extern(value, mtype)
- do
- if mtype isa MClassType and mtype.mclass.kind == extern_kind and
- mtype.mclass.name != "NativeString" then
- var pointer_type = compiler.mainmodule.pointer_type
- var res = self.new_var_extern(mtype)
- self.add "{res} = ((struct instance_{pointer_type.c_name}*){value})->value; /* unboxing {value.mtype} */"
- return res
- else
- return value
- end
- end
-
- redef fun box_extern(value, mtype)
- do
- if mtype isa MClassType and mtype.mclass.kind == extern_kind and
- mtype.mclass.name != "NativeString" then
- var valtype = compiler.mainmodule.pointer_type
- 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);")
- return res
- end
- self.require_declaration("BOX_{valtype.c_name}")
- self.add("{res} = BOX_{valtype.c_name}({value}); /* boxing {value.mtype} */")
- self.require_declaration("type_{mtype.c_name}")
- self.add("{res}->type = &type_{mtype.c_name};")
- self.require_declaration("class_{mtype.c_name}")
- self.add("{res}->class = &class_{mtype.c_name};")
- return res
- else
- return value
- end
- end
-
- # Return a C expression returning the runtime type structure of the value
- # The point of the method is to works also with primitives types.
- fun type_info(value: RuntimeVariable): String
- do
- if value.mtype.ctype == "val*" then
- return "{value}->type"
- else
- compiler.undead_types.add(value.mtype)
- self.require_declaration("type_{value.mtype.c_name}")
- return "(&type_{value.mtype.c_name})"
- end
- end
-
- redef fun compile_callsite(callsite, args)
- do
- var rta = compiler.runtime_type_analysis
- var recv = args.first.mtype
- var mmethod = callsite.mproperty
- # TODO: Inlining of new-style constructors
- if compiler.modelbuilder.toolcontext.opt_direct_call_monomorph.value and rta != null and not mmethod.is_root_init then
- var tgs = rta.live_targets(callsite)
- if tgs.length == 1 then
- # DIRECT CALL
- self.varargize(mmethod.intro, mmethod.intro.msignature.as(not null), args)
- var res0 = before_send(mmethod, args)
- var res = call(tgs.first, tgs.first.mclassdef.bound_mtype, args)
- if res0 != null then
- assert res != null
- self.assign(res0, res)
- res = res0
- end
- add("\}") # close the before_send
- return res
- end
- end
- return super
- end
- redef fun send(mmethod, arguments)
- do
- self.varargize(mmethod.intro, mmethod.intro.msignature.as(not null), arguments)
-
- if arguments.first.mcasttype.ctype != "val*" then
- # In order to shortcut the primitive, we need to find the most specific method
- # Howverr, because of performance (no flattening), we always work on the realmainmodule
- var m = self.compiler.mainmodule
- self.compiler.mainmodule = self.compiler.realmainmodule
- var res = self.monomorphic_send(mmethod, arguments.first.mcasttype, arguments)
- self.compiler.mainmodule = m
- return res
- end
-
- return table_send(mmethod, arguments, mmethod.const_color)
- end
-
- # Handel common special cases before doing the effective method invocation
- # This methods handle the `==` and `!=` methods and the case of the null receiver.
- # Note: a { is open in the generated C, that enclose and protect the effective method invocation.
- # Client must not forget to close the } after them.
- #
- # The value returned is the result of the common special cases.
- # If not null, client must compine it with the result of their own effective method invocation.
- #
- # If `before_send` can shortcut the whole message sending, a dummy `if(0){`
- # is generated to cancel the effective method invocation that will follow
- # TODO: find a better approach
- private fun before_send(mmethod: MMethod, arguments: Array[RuntimeVariable]): nullable RuntimeVariable
- do
- 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
- if maybenull then
- self.add("if ({recv} == NULL) \{")
- if mmethod.name == "==" then
- res = self.new_var(bool_type)
- var arg = arguments[1]
- if arg.mcasttype isa MNullableType then
- self.add("{res} = ({arg} == NULL);")
- else if arg.mcasttype isa MNullType then
- self.add("{res} = 1; /* is null */")
- else
- self.add("{res} = 0; /* {arg.inspect} cannot be null */")
- end
- else if mmethod.name == "!=" then
- res = self.new_var(bool_type)
- var arg = arguments[1]
- if arg.mcasttype isa MNullableType then
- self.add("{res} = ({arg} != NULL);")
- else if arg.mcasttype isa MNullType then
- self.add("{res} = 0; /* is null */")
- else
- self.add("{res} = 1; /* {arg.inspect} cannot be null */")
- end
- else
- self.add_abort("Receiver is null")
- end
- self.add("\} else \{")
- 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)
- 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
- self.add("{res} = 1; /* arg is null and recv is not */")
- end
- self.add("\}") # closes the null case
- self.add("if (0) \{") # what follow is useless, CC will drop it
- end
- end
- return res
- end
-
- private fun table_send(mmethod: MMethod, arguments: Array[RuntimeVariable], const_color: String): nullable RuntimeVariable
- do
- compiler.modelbuilder.nb_invok_by_tables += 1
- if compiler.modelbuilder.toolcontext.opt_invocation_metrics.value then add("count_invoke_by_tables++;")
-
- assert arguments.length == mmethod.intro.msignature.arity + 1 else debug("Invalid arity for {mmethod}. {arguments.length} arguments given.")
- var recv = arguments.first
-
- var res0 = before_send(mmethod, arguments)
-
- var res: nullable RuntimeVariable
- var msignature = mmethod.intro.msignature.resolve_for(mmethod.intro.mclassdef.bound_mtype, mmethod.intro.mclassdef.bound_mtype, mmethod.intro.mclassdef.mmodule, true)
- var ret = msignature.return_mtype
- if mmethod.is_new then
- ret = arguments.first.mtype
- res = self.new_var(ret)
- else if ret == null then
- res = null
- else
- res = self.new_var(ret)
- end
-
- var s = new FlatBuffer
- var ss = new FlatBuffer
-
- s.append("val*")
- ss.append("{recv}")
- for i in [0..msignature.arity[ do
- var a = arguments[i+1]
- var t = msignature.mparameters[i].mtype
- if i == msignature.vararg_rank then
- t = arguments[i+1].mcasttype
- end
- s.append(", {t.ctype}")
- a = self.autobox(a, t)
- ss.append(", {a}")
- end
-
-
- var r
- if ret == null then r = "void" else r = ret.ctype
- self.require_declaration(const_color)
- var call = "(({r} (*)({s}))({arguments.first}->class->vft[{const_color}]))({ss}) /* {mmethod} on {arguments.first.inspect}*/"
-
- if res != null then
- self.add("{res} = {call};")
- else
- self.add("{call};")
- end
-
- if res0 != null then
- assert res != null
- assign(res0,res)
- res = res0
- end
-
- self.add("\}") # closes the null case
-
- return res
- end
-
- redef fun call(mmethoddef, recvtype, arguments)
- do
- assert arguments.length == mmethoddef.msignature.arity + 1 else debug("Invalid arity for {mmethoddef}. {arguments.length} arguments given.")
-
- var res: nullable RuntimeVariable
- var ret = mmethoddef.msignature.return_mtype
- if mmethoddef.mproperty.is_new then
- ret = arguments.first.mtype
- res = self.new_var(ret)
- else if ret == null then
- res = null
- else
- ret = ret.resolve_for(mmethoddef.mclassdef.bound_mtype, mmethoddef.mclassdef.bound_mtype, mmethoddef.mclassdef.mmodule, true)
- res = self.new_var(ret)
- end
-
- if (mmethoddef.is_intern and not compiler.modelbuilder.toolcontext.opt_no_inline_intern.value) or
- (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)
- frame.returnlabel = self.get_name("RET_LABEL")
- frame.returnvar = res
- var old_frame = self.frame
- self.frame = frame
- self.add("\{ /* Inline {mmethoddef} ({arguments.join(",")}) on {arguments.first.inspect} */")
- mmethoddef.compile_inside_to_c(self, arguments)
- self.add("{frame.returnlabel.as(not null)}:(void)0;")
- self.add("\}")
- self.frame = old_frame
- return res
- end
- compiler.modelbuilder.nb_invok_by_direct += 1
- if compiler.modelbuilder.toolcontext.opt_invocation_metrics.value then add("count_invoke_by_direct++;")
-
- # Autobox arguments
- self.adapt_signature(mmethoddef, arguments)
-
- self.require_declaration(mmethoddef.c_name)
- if res == null then
- self.add("{mmethoddef.c_name}({arguments.join(", ")}); /* Direct call {mmethoddef} on {arguments.first.inspect}*/")
- return null
- else
- self.add("{res} = {mmethoddef.c_name}({arguments.join(", ")});")
- end
-
- return res
- end
-
- redef fun supercall(m: MMethodDef, recvtype: MClassType, arguments: Array[RuntimeVariable]): nullable RuntimeVariable
- do
- if arguments.first.mcasttype.ctype != "val*" then
- # In order to shortcut the primitive, we need to find the most specific method
- # However, because of performance (no flattening), we always work on the realmainmodule
- var main = self.compiler.mainmodule
- self.compiler.mainmodule = self.compiler.realmainmodule
- var res = self.monomorphic_super_send(m, recvtype, arguments)
- self.compiler.mainmodule = main
- return res
- end
- return table_send(m.mproperty, arguments, m.const_color)
- end
-
- redef fun vararg_instance(mpropdef, recv, varargs, elttype)
- do
- # 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 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
- # job is to allocate the array
- var old_frame = self.frame
- var frame = new Frame(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)
- self.frame = old_frame
- return res
- end
-
- redef fun isset_attribute(a, recv)
- do
- self.check_recv_notnull(recv)
- var res = self.new_var(bool_type)
-
- # What is the declared type of the attribute?
- var mtype = a.intro.static_mtype.as(not null)
- var intromclassdef = a.intro.mclassdef
- mtype = mtype.resolve_for(intromclassdef.bound_mtype, intromclassdef.bound_mtype, intromclassdef.mmodule, true)
-
- if mtype isa MNullableType then
- self.add("{res} = 1; /* easy isset: {a} on {recv.inspect} */")
- return res
- end
-
- self.require_declaration(a.const_color)
- if self.compiler.modelbuilder.toolcontext.opt_no_union_attribute.value then
- self.add("{res} = {recv}->attrs[{a.const_color}] != NULL; /* {a} on {recv.inspect}*/")
- else
-
- if mtype.ctype == "val*" then
- self.add("{res} = {recv}->attrs[{a.const_color}].val != NULL; /* {a} on {recv.inspect} */")
- else
- self.add("{res} = 1; /* NOT YET IMPLEMENTED: isset of primitives: {a} on {recv.inspect} */")
- end
- end
- return res
- end
-
- redef fun read_attribute(a, recv)
- do
- self.check_recv_notnull(recv)
-
- # What is the declared type of the attribute?
- var ret = a.intro.static_mtype.as(not null)
- var intromclassdef = a.intro.mclassdef
- ret = ret.resolve_for(intromclassdef.bound_mtype, intromclassdef.bound_mtype, intromclassdef.mmodule, true)
-
- if self.compiler.modelbuilder.toolcontext.opt_isset_checks_metrics.value then
- self.compiler.attr_read_count += 1
- self.add("count_attr_reads++;")
- end
-
- self.require_declaration(a.const_color)
- if self.compiler.modelbuilder.toolcontext.opt_no_union_attribute.value then
- # Get the attribute or a box (ie. always a val*)
- var cret = self.object_type.as_nullable
- var res = self.new_var(cret)
- res.mcasttype = ret
-
- self.add("{res} = {recv}->attrs[{a.const_color}]; /* {a} on {recv.inspect} */")
-
- # Check for Uninitialized attribute
- if not ret isa MNullableType and not self.compiler.modelbuilder.toolcontext.opt_no_check_attr_isset.value then
- self.add("if (unlikely({res} == NULL)) \{")
- self.add_abort("Uninitialized attribute {a.name}")
- self.add("\}")
-
- if self.compiler.modelbuilder.toolcontext.opt_isset_checks_metrics.value then
- self.compiler.isset_checks_count += 1
- self.add("count_isset_checks++;")
- end
- end
-
- # Return the attribute or its unboxed version
- # Note: it is mandatory since we reuse the box on write, we do not whant that the box escapes
- return self.autobox(res, ret)
- else
- var res = self.new_var(ret)
- self.add("{res} = {recv}->attrs[{a.const_color}].{ret.ctypename}; /* {a} on {recv.inspect} */")
-
- # Check for Uninitialized attribute
- if ret.ctype == "val*" and not ret isa MNullableType and not self.compiler.modelbuilder.toolcontext.opt_no_check_attr_isset.value then
- self.add("if (unlikely({res} == NULL)) \{")
- self.add_abort("Uninitialized attribute {a.name}")
- self.add("\}")
- if self.compiler.modelbuilder.toolcontext.opt_isset_checks_metrics.value then
- self.compiler.isset_checks_count += 1
- self.add("count_isset_checks++;")
- end
- end
-
- return res
- end
- end
-
- redef fun write_attribute(a, recv, value)
- do
- self.check_recv_notnull(recv)
-
- # What is the declared type of the attribute?
- var mtype = a.intro.static_mtype.as(not null)
- var intromclassdef = a.intro.mclassdef
- mtype = mtype.resolve_for(intromclassdef.bound_mtype, intromclassdef.bound_mtype, intromclassdef.mmodule, true)
-
- # Adapt the value to the declared type
- value = self.autobox(value, mtype)
-
- self.require_declaration(a.const_color)
- if self.compiler.modelbuilder.toolcontext.opt_no_union_attribute.value then
- var attr = "{recv}->attrs[{a.const_color}]"
- if mtype.ctype != "val*" then
- assert mtype isa MClassType
- # The attribute is primitive, thus we store it in a box
- # The trick is to create the box the first time then resuse the box
- self.add("if ({attr} != NULL) \{")
- self.add("((struct instance_{mtype.c_name}*){attr})->value = {value}; /* {a} on {recv.inspect} */")
- self.add("\} else \{")
- value = self.autobox(value, self.object_type.as_nullable)
- self.add("{attr} = {value}; /* {a} on {recv.inspect} */")
- self.add("\}")
- else
- # The attribute is not primitive, thus store it direclty
- self.add("{attr} = {value}; /* {a} on {recv.inspect} */")
- end
- else
- self.add("{recv}->attrs[{a.const_color}].{mtype.ctypename} = {value}; /* {a} on {recv.inspect} */")
- end
- end
-
- # Check that mtype is a live open type
- fun hardening_live_open_type(mtype: MType)
- do
- if not compiler.modelbuilder.toolcontext.opt_hardening.value then return
- self.require_declaration(mtype.const_color)
- var col = mtype.const_color
- self.add("if({col} == -1) \{")
- self.add("PRINT_ERROR(\"Resolution of a dead open type: %s\\n\", \"{mtype.to_s.escape_to_c}\");")
- self.add_abort("open type dead")
- self.add("\}")
- end
-
- # Check that mtype it a pointer to a live cast type
- fun hardening_cast_type(t: String)
- do
- if not compiler.modelbuilder.toolcontext.opt_hardening.value then return
- add("if({t} == NULL) \{")
- add_abort("cast type null")
- add("\}")
- add("if({t}->id == -1 || {t}->color == -1) \{")
- add("PRINT_ERROR(\"Try to cast on a dead cast type: %s\\n\", {t}->name);")
- add_abort("cast type dead")
- add("\}")
- end
-
- redef fun init_instance(mtype)
- do
- self.require_declaration("NEW_{mtype.mclass.c_name}")
- var compiler = self.compiler
- if mtype isa MGenericType and mtype.need_anchor then
- hardening_live_open_type(mtype)
- link_unresolved_type(self.frame.mpropdef.mclassdef, mtype)
- var recv = self.frame.arguments.first
- var recv_type_info = self.type_info(recv)
- self.require_declaration(mtype.const_color)
- return self.new_expr("NEW_{mtype.mclass.c_name}({recv_type_info}->resolution_table->types[{mtype.const_color}])", mtype)
- end
- compiler.undead_types.add(mtype)
- self.require_declaration("type_{mtype.c_name}")
- return self.new_expr("NEW_{mtype.mclass.c_name}(&type_{mtype.c_name})", mtype)
- end
-
- redef fun type_test(value, mtype, tag)
- do
- self.add("/* {value.inspect} isa {mtype} */")
- var compiler = self.compiler
-
- var recv = self.frame.arguments.first
- var recv_type_info = self.type_info(recv)
-
- var res = self.new_var(bool_type)
-
- var cltype = self.get_name("cltype")
- self.add_decl("int {cltype};")
- var idtype = self.get_name("idtype")
- self.add_decl("int {idtype};")
-
- var maybe_null = self.maybe_null(value)
- var accept_null = "0"
- var ntype = mtype
- if ntype isa MNullableType then
- ntype = ntype.mtype
- accept_null = "1"
- end
-
- if value.mcasttype.is_subtype(self.frame.mpropdef.mclassdef.mmodule, self.frame.mpropdef.mclassdef.bound_mtype, mtype) then
- self.add("{res} = 1; /* easy {value.inspect} isa {mtype}*/")
- if compiler.modelbuilder.toolcontext.opt_typing_test_metrics.value then
- self.compiler.count_type_test_skipped[tag] += 1
- self.add("count_type_test_skipped_{tag}++;")
- end
- return res
- end
-
- if ntype.need_anchor then
- var type_struct = self.get_name("type_struct")
- self.add_decl("const struct type* {type_struct};")
-
- # Either with resolution_table with a direct resolution
- hardening_live_open_type(mtype)
- link_unresolved_type(self.frame.mpropdef.mclassdef, mtype)
- self.require_declaration(mtype.const_color)
- self.add("{type_struct} = {recv_type_info}->resolution_table->types[{mtype.const_color}];")
- if compiler.modelbuilder.toolcontext.opt_typing_test_metrics.value then
- self.compiler.count_type_test_unresolved[tag] += 1
- self.add("count_type_test_unresolved_{tag}++;")
- end
- hardening_cast_type(type_struct)
- self.add("{cltype} = {type_struct}->color;")
- self.add("{idtype} = {type_struct}->id;")
- if maybe_null and accept_null == "0" then
- var is_nullable = self.get_name("is_nullable")
- self.add_decl("short int {is_nullable};")
- self.add("{is_nullable} = {type_struct}->is_nullable;")
- accept_null = is_nullable.to_s
- end
- else if ntype isa MClassType then
- compiler.undead_types.add(mtype)
- self.require_declaration("type_{mtype.c_name}")
- hardening_cast_type("(&type_{mtype.c_name})")
- self.add("{cltype} = type_{mtype.c_name}.color;")
- self.add("{idtype} = type_{mtype.c_name}.id;")
- if compiler.modelbuilder.toolcontext.opt_typing_test_metrics.value then
- self.compiler.count_type_test_resolved[tag] += 1
- 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);")
- end
-
- # check color is in table
- if maybe_null then
- self.add("if({value} == NULL) \{")
- self.add("{res} = {accept_null};")
- self.add("\} else \{")
- end
- var value_type_info = self.type_info(value)
- self.add("if({cltype} >= {value_type_info}->table_size) \{")
- self.add("{res} = 0;")
- self.add("\} else \{")
- self.add("{res} = {value_type_info}->type_table[{cltype}] == {idtype};")
- self.add("\}")
- if maybe_null then
- self.add("\}")
- end
-
- return res
- end
-
- redef fun is_same_type_test(value1, value2)
- do
- var res = self.new_var(bool_type)
- # Swap values to be symetric
- if value2.mtype.ctype != "val*" and value1.mtype.ctype == "val*" then
- var tmp = value1
- value1 = value2
- value2 = tmp
- end
- if value1.mtype.ctype != "val*" then
- if value2.mtype == value1.mtype then
- self.add("{res} = 1; /* is_same_type_test: compatible types {value1.mtype} vs. {value2.mtype} */")
- else if value2.mtype.ctype != "val*" then
- self.add("{res} = 0; /* is_same_type_test: incompatible types {value1.mtype} vs. {value2.mtype}*/")
- else
- var mtype1 = value1.mtype.as(MClassType)
- self.require_declaration("class_{mtype1.c_name}")
- self.add("{res} = ({value2} != NULL) && ({value2}->class == &class_{mtype1.c_name}); /* is_same_type_test */")
- end
- else
- self.add("{res} = ({value1} == {value2}) || ({value1} != NULL && {value2} != NULL && {value1}->class == {value2}->class); /* is_same_type_test */")
- end
- return res
- end
-
- redef fun class_name_string(value)
- do
- var res = self.get_name("var_class_name")
- self.add_decl("const char* {res};")
- if value.mtype.ctype == "val*" then
- self.add "{res} = {value} == NULL ? \"null\" : {value}->type->name;"
- else if value.mtype isa MClassType and value.mtype.as(MClassType).mclass.kind == extern_kind and
- value.mtype.as(MClassType).name != "NativeString" then
- self.add "{res} = \"{value.mtype.as(MClassType).mclass}\";"
- else
- self.require_declaration("type_{value.mtype.c_name}")
- self.add "{res} = type_{value.mtype.c_name}.name;"
- end
- return res
- end
-
- redef fun equal_test(value1, value2)
- do
- var res = self.new_var(bool_type)
- if value2.mtype.ctype != "val*" and value1.mtype.ctype == "val*" then
- var tmp = value1
- value1 = value2
- value2 = tmp
- end
- if value1.mtype.ctype != "val*" then
- if value2.mtype == value1.mtype then
- self.add("{res} = {value1} == {value2};")
- else if value2.mtype.ctype != "val*" then
- self.add("{res} = 0; /* incompatible types {value1.mtype} vs. {value2.mtype}*/")
- else
- var mtype1 = value1.mtype.as(MClassType)
- self.require_declaration("class_{mtype1.c_name}")
- self.add("{res} = ({value2} != NULL) && ({value2}->class == &class_{mtype1.c_name});")
- self.add("if ({res}) \{")
- self.add("{res} = ({self.autobox(value2, value1.mtype)} == {value1});")
- self.add("\}")
- end
- return res
- end
- var maybe_null = true
- var test = new Array[String]
- var t1 = value1.mcasttype
- if t1 isa MNullableType then
- test.add("{value1} != NULL")
- t1 = t1.mtype
- else
- maybe_null = false
- end
- var t2 = value2.mcasttype
- if t2 isa MNullableType then
- test.add("{value2} != NULL")
- t2 = t2.mtype
- else
- maybe_null = false
- end
-
- var incompatible = false
- var primitive
- if t1.ctype != "val*" then
- primitive = t1
- if t1 == t2 then
- # No need to compare class
- else if t2.ctype != "val*" then
- incompatible = true
- else if can_be_primitive(value2) then
- test.add("{value1}->class == {value2}->class")
- else
- incompatible = true
- end
- else if t2.ctype != "val*" then
- primitive = t2
- if can_be_primitive(value1) then
- test.add("{value1}->class == {value2}->class")
- else
- incompatible = true
- end
- else
- primitive = null
- end
-
- if incompatible then
- if maybe_null then
- self.add("{res} = {value1} == {value2}; /* incompatible types {t1} vs. {t2}; but may be NULL*/")
- return res
- else
- self.add("{res} = 0; /* incompatible types {t1} vs. {t2}; cannot be NULL */")
- return res
- end
- end
- if primitive != null then
- test.add("((struct instance_{primitive.c_name}*){value1})->value == ((struct instance_{primitive.c_name}*){value2})->value")
- else if can_be_primitive(value1) and can_be_primitive(value2) then
- test.add("{value1}->class == {value2}->class")
- var s = new Array[String]
- for t, v in self.compiler.box_kinds do
- s.add "({value1}->class->box_kind == {v} && ((struct instance_{t.c_name}*){value1})->value == ((struct instance_{t.c_name}*){value2})->value)"
- end
- test.add("({s.join(" || ")})")
- else
- self.add("{res} = {value1} == {value2};")
- return res
- end
- self.add("{res} = {value1} == {value2} || ({test.join(" && ")});")
- return res
- end
-
- fun can_be_primitive(value: RuntimeVariable): Bool
- do
- var t = value.mcasttype.as_notnullable
- if not t isa MClassType then return false
- var k = t.mclass.kind
- return k == interface_kind or t.ctype != "val*"
- end
-
- fun maybe_null(value: RuntimeVariable): Bool
- do
- var t = value.mcasttype
- return t isa MNullableType or t isa MNullType
- end
-
- redef fun array_instance(array, elttype)
- do
- var nclass = self.get_class("NativeArray")
- var arrayclass = self.get_class("Array")
- var arraytype = arrayclass.get_mtype([elttype])
- var res = self.init_instance(arraytype)
- self.add("\{ /* {res} = array_instance Array[{elttype}] */")
- var length = self.int_instance(array.length)
- var nat = native_array_instance(elttype, length)
- for i in [0..array.length[ do
- var r = self.autobox(array[i], self.object_type)
- self.add("((struct instance_{nclass.c_name}*){nat})->values[{i}] = (val*) {r};")
- end
- self.send(self.get_property("with_native", arrayclass.intro.bound_mtype), [res, nat, length])
- self.add("\}")
- return res
- end
-
- redef fun native_array_instance(elttype: MType, length: RuntimeVariable): RuntimeVariable
- do
- var mtype = self.get_class("NativeArray").get_mtype([elttype])
- self.require_declaration("NEW_{mtype.mclass.c_name}")
- assert mtype isa MGenericType
- var compiler = self.compiler
- if mtype.need_anchor then
- hardening_live_open_type(mtype)
- link_unresolved_type(self.frame.mpropdef.mclassdef, mtype)
- var recv = self.frame.arguments.first
- var recv_type_info = self.type_info(recv)
- self.require_declaration(mtype.const_color)
- return self.new_expr("NEW_{mtype.mclass.c_name}({length}, {recv_type_info}->resolution_table->types[{mtype.const_color}])", mtype)
- end
- compiler.undead_types.add(mtype)
- self.require_declaration("type_{mtype.c_name}")
- return self.new_expr("NEW_{mtype.mclass.c_name}({length}, &type_{mtype.c_name})", mtype)
- end
-
- redef fun native_array_def(pname, ret_type, arguments)
- do
- var elttype = arguments.first.mtype
- var nclass = self.get_class("NativeArray")
- var recv = "((struct instance_{nclass.c_name}*){arguments[0]})->values"
- if pname == "[]" then
- self.ret(self.new_expr("{recv}[{arguments[1]}]", ret_type.as(not null)))
- return
- else if pname == "[]=" then
- self.add("{recv}[{arguments[1]}]={arguments[2]};")
- return
- else if pname == "length" then
- self.ret(self.new_expr("((struct instance_{nclass.c_name}*){arguments[0]})->length", ret_type.as(not null)))
- return
- else if pname == "copy_to" then
- var recv1 = "((struct instance_{nclass.c_name}*){arguments[1]})->values"
- self.add("memmove({recv1}, {recv}, {arguments[2]}*sizeof({elttype.ctype}));")
- return
- end
- end
-
- redef fun calloc_array(ret_type, arguments)
- do
- var mclass = self.get_class("ArrayCapable")
- var ft = mclass.mclass_type.arguments.first.as(MParameterType)
- var res = self.native_array_instance(ft, arguments[1])
- self.ret(res)
- end
-
- fun link_unresolved_type(mclassdef: MClassDef, mtype: MType) do
- assert mtype.need_anchor
- var compiler = self.compiler
- 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_unresolved_types[self.frame.mpropdef.mclassdef].add(mtype)
- end
-end
-
-redef class MMethodDef
- fun separate_runtime_function: AbstractRuntimeFunction
- do
- var res = self.separate_runtime_function_cache
- if res == null then
- res = new SeparateRuntimeFunction(self)
- self.separate_runtime_function_cache = res
- end
- return res
- end
- private var separate_runtime_function_cache: nullable SeparateRuntimeFunction
-
- fun virtual_runtime_function: AbstractRuntimeFunction
- do
- var res = self.virtual_runtime_function_cache
- if res == null then
- res = new VirtualRuntimeFunction(self)
- self.virtual_runtime_function_cache = res
- end
- return res
- end
- private var virtual_runtime_function_cache: nullable VirtualRuntimeFunction
-end
-
-# The C function associated to a methoddef separately compiled
-class SeparateRuntimeFunction
- super AbstractRuntimeFunction
-
- redef fun build_c_name: String do return "{mmethoddef.c_name}"
-
- redef fun to_s do return self.mmethoddef.to_s
-
- redef fun compile_to_c(compiler)
- do
- var mmethoddef = self.mmethoddef
-
- var recv = self.mmethoddef.mclassdef.bound_mtype
- 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)
- v.frame = frame
-
- var msignature = mmethoddef.msignature.resolve_for(mmethoddef.mclassdef.bound_mtype, mmethoddef.mclassdef.bound_mtype, mmethoddef.mclassdef.mmodule, true)
-
- var sig = new FlatBuffer
- var comment = new FlatBuffer
- var ret = msignature.return_mtype
- if ret != null then
- sig.append("{ret.ctype} ")
- else if mmethoddef.mproperty.is_new then
- ret = recv
- sig.append("{ret.ctype} ")
- else
- sig.append("void ")
- end
- sig.append(self.c_name)
- sig.append("({selfvar.mtype.ctype} {selfvar}")
- comment.append("({selfvar}: {selfvar.mtype}")
- arguments.add(selfvar)
- for i in [0..msignature.arity[ do
- var mtype = msignature.mparameters[i].mtype
- if i == msignature.vararg_rank then
- mtype = v.get_class("Array").get_mtype([mtype])
- end
- comment.append(", {mtype}")
- sig.append(", {mtype.ctype} p{i}")
- var argvar = new RuntimeVariable("p{i}", mtype, mtype)
- arguments.add(argvar)
- end
- sig.append(")")
- comment.append(")")
- if ret != null then
- comment.append(": {ret}")
- end
- compiler.provide_declaration(self.c_name, "{sig};")
-
- v.add_decl("/* method {self} for {comment} */")
- v.add_decl("{sig} \{")
- if ret != null then
- frame.returnvar = v.new_var(ret)
- end
- frame.returnlabel = v.get_name("RET_LABEL")
-
- if recv != arguments.first.mtype then
- #print "{self} {recv} {arguments.first}"
- end
- mmethoddef.compile_inside_to_c(v, arguments)
-
- v.add("{frame.returnlabel.as(not null)}:;")
- if ret != null then
- v.add("return {frame.returnvar.as(not null)};")
- end
- v.add("\}")
- if not self.c_name.has_substring("VIRTUAL", 0) then compiler.names[self.c_name] = "{mmethoddef.mclassdef.mmodule.name}::{mmethoddef.mclassdef.mclass.name}::{mmethoddef.mproperty.name} ({mmethoddef.location.file.filename}:{mmethoddef.location.line_start})"
- end
-end
-
-# The C function associated to a methoddef on a primitive type, stored into a VFT of a class
-# The first parameter (the reciever) is always typed by val* in order to accept an object value
-class VirtualRuntimeFunction
- super AbstractRuntimeFunction
-
- redef fun build_c_name: String do return "VIRTUAL_{mmethoddef.c_name}"
-
- redef fun to_s do return self.mmethoddef.to_s
-
- redef fun compile_to_c(compiler)
- do
- var mmethoddef = self.mmethoddef
-
- var recv = self.mmethoddef.mclassdef.bound_mtype
- 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)
- v.frame = frame
-
- var sig = new FlatBuffer
- var comment = new FlatBuffer
-
- # Because the function is virtual, the signature must match the one of the original class
- var intromclassdef = self.mmethoddef.mproperty.intro.mclassdef
- var msignature = mmethoddef.mproperty.intro.msignature.resolve_for(intromclassdef.bound_mtype, intromclassdef.bound_mtype, intromclassdef.mmodule, true)
- var ret = msignature.return_mtype
- if ret != null then
- sig.append("{ret.ctype} ")
- else if mmethoddef.mproperty.is_new then
- ret = recv
- sig.append("{ret.ctype} ")
- else
- sig.append("void ")
- end
- sig.append(self.c_name)
- sig.append("({selfvar.mtype.ctype} {selfvar}")
- comment.append("({selfvar}: {selfvar.mtype}")
- arguments.add(selfvar)
- for i in [0..msignature.arity[ do
- var mtype = msignature.mparameters[i].mtype
- if i == msignature.vararg_rank then
- mtype = v.get_class("Array").get_mtype([mtype])
- end
- comment.append(", {mtype}")
- sig.append(", {mtype.ctype} p{i}")
- var argvar = new RuntimeVariable("p{i}", mtype, mtype)
- arguments.add(argvar)
- end
- sig.append(")")
- comment.append(")")
- if ret != null then
- comment.append(": {ret}")
- end
- compiler.provide_declaration(self.c_name, "{sig};")
-
- v.add_decl("/* method {self} for {comment} */")
- v.add_decl("{sig} \{")
- if ret != null then
- frame.returnvar = v.new_var(ret)
- end
- frame.returnlabel = v.get_name("RET_LABEL")
-
- var subret = v.call(mmethoddef, recv, arguments)
- if ret != null then
- assert subret != null
- v.assign(frame.returnvar.as(not null), subret)
- end
-
- v.add("{frame.returnlabel.as(not null)}:;")
- if ret != null then
- v.add("return {frame.returnvar.as(not null)};")
- end
- v.add("\}")
- if not self.c_name.has_substring("VIRTUAL", 0) then compiler.names[self.c_name] = "{mmethoddef.mclassdef.mmodule.name}::{mmethoddef.mclassdef.mclass.name}::{mmethoddef.mproperty.name} ({mmethoddef.location.file.filename}--{mmethoddef.location.line_start})"
- end
-
- # TODO ?
- redef fun call(v, arguments) do abort
-end
-
-redef class MType
- fun const_color: String 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 AExternInitPropdef
- # The semi-global compilation does not support inlining calls to extern news
- redef fun can_inline do return false
-end
nitlanguage / nit.git / blobdiff