import global_compiler # TODO better separation of concerns
-intrude import coloring
+import coloring
+
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")
+
+ # --inline-coloring-numbers
+ var opt_inline_coloring_numbers: OptionBool = new OptionBool("Inline colors and ids", "--inline-coloring-numbers")
+
+ # --use-naive-coloring
+ var opt_bm_typing: OptionBool = new OptionBool("Colorize items incrementaly, used to simulate binary matrix typing", "--bm-typing")
+
+ # --use-mod-perfect-hashing
+ var opt_phmod_typing: OptionBool = new OptionBool("Replace coloration by perfect hashing (with mod operator)", "--phmod-typing")
+
+ # --use-and-perfect-hashing
+ var opt_phand_typing: OptionBool = new OptionBool("Replace coloration by perfect hashing (with and operator)", "--phand-typing")
+
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_inline_coloring_numbers)
+ self.option_context.add_option(self.opt_bm_typing)
+ self.option_context.add_option(self.opt_phmod_typing)
+ self.option_context.add_option(self.opt_phand_typing)
end
end
redef class ModelBuilder
- redef fun run_global_compiler(mainmodule: MModule, runtime_type_analysis: RapidTypeAnalysis)
- do
- # Hijack the run_global_compiler to run the separate one if requested.
- if self.toolcontext.opt_separate.value then
- run_separate_compiler(mainmodule, runtime_type_analysis)
- else
- super
- end
- end
-
fun run_separate_compiler(mainmodule: MModule, runtime_type_analysis: RapidTypeAnalysis)
do
var time0 = get_time
self.toolcontext.info("*** COMPILING TO C ***", 1)
var compiler = new SeparateCompiler(mainmodule, runtime_type_analysis, self)
- var v = new SeparateCompilerVisitor(compiler)
- compiler.header = v
- v.add_decl("#include <stdlib.h>")
- v.add_decl("#include <stdio.h>")
- v.add_decl("#include <string.h>")
- v.add_decl("#include <gc/gc.h>")
- v.add_decl("typedef void(*nitmethod_t)(void); /* general C type representing a Nit method. */")
- v.add_decl("typedef void* nitattribute_t; /* general C type representing a Nit attribute. */")
-
- # Class abstract representation
- v.add_decl("struct class \{ nitmethod_t vft[1]; \}; /* general C type representing a Nit class. */")
- # Type abstract representation
- v.add_decl("struct type \{ int id; int color; struct fts_table *fts_table; int type_table[1]; \}; /* general C type representing a Nit type. */")
- v.add_decl("struct fts_table \{ struct type *fts[1]; \}; /* fts list of a C type representation. */")
- # Instance abstract representation
- v.add_decl("typedef struct \{ struct type *type; struct class *class; nitattribute_t attrs[1]; \} val; /* general C type representing a Nit instance. */")
-
- # Class names (for the class_name and output_class_name methods)
- v.add_decl("extern const char const * class_names[];")
- v.add("const char const * class_names[] = \{")
- for t in runtime_type_analysis.live_types do
- v.add("\"{t}\",")
- end
- v.add("\};")
-
- # The main function of the C
- v = new SeparateCompilerVisitor(compiler)
- v.add_decl("int glob_argc;")
- v.add_decl("char **glob_argv;")
- v.add_decl("val *glob_sys;")
- v.add_decl("int main(int argc, char** argv) \{")
- v.add("glob_argc = argc; glob_argv = argv;")
- var main_type = mainmodule.sys_type
- if main_type == null then return # Nothing to compile
- var glob_sys = v.init_instance(main_type)
- v.add("glob_sys = {glob_sys};")
- var main_init = mainmodule.try_get_primitive_method("init", main_type)
- if main_init != null then
- v.send(main_init, [glob_sys])
- end
- var main_method = mainmodule.try_get_primitive_method("main", main_type)
- if main_method != null then
- v.send(main_method, [glob_sys])
+ # compile class structures
+ for m in mainmodule.in_importation.greaters do
+ for mclass in m.intro_mclasses do
+ compiler.compile_class_to_c(mclass)
+ end
end
- v.add("\}")
+ # The main function of the C
+ compiler.compile_main_function
+ # compile methods
for m in mainmodule.in_importation.greaters do
compiler.compile_module_to_c(m)
- for mclass in m.intro_mclasses do
- compiler.compile_class_to_c(mclass)
- end
end
# compile live & cast type structures
- var mtypes = new HashSet[MClassType]
- mtypes.add_all(runtime_type_analysis.live_types)
- mtypes.add_all(runtime_type_analysis.live_cast_types)
-
+ var mtypes = compiler.do_type_coloring
for t in mtypes do
compiler.compile_type_to_c(t)
end
+ # compile live generic types selection structures
+ for mclass in model.mclasses do
+ compiler.compile_live_gentype_to_c(mclass)
+ end
+
write_and_make(compiler)
end
end
class SeparateCompiler
super GlobalCompiler # TODO better separation of concerns
- protected var typeids: HashMap[MClassType, Int] = new HashMap[MClassType, Int]
+ private var undead_types: Set[MType] = new HashSet[MType]
+ private var partial_types: Set[MType] = new HashSet[MType]
+ protected var typeids: HashMap[MType, Int] protected writable = new HashMap[MType, Int]
+
+ private var type_colors: Map[MType, Int] = typeids
+ private var type_tables: nullable Map[MType, Array[nullable MType]] = null
+
+ private var livetypes_colors: nullable Map[MType, Int]
+ private var livetypes_tables: nullable Map[MClass, Array[nullable Object]]
+ private var livetypes_tables_sizes: nullable Map[MClass, Array[Int]]
- private var type_colors: Map[MClassType, Int]
- private var type_tables: Map[MClassType, Array[nullable MClassType]]
+ protected var class_coloring: ClassColoring
- private var class_colors: Map[MClass, Int]
+ protected var method_colors: Map[MMethod, Int]
+ protected var method_tables: Map[MClass, Array[nullable MMethodDef]]
- private var method_colors: Map[MMethod, Int]
- private var method_tables: Map[MClass, Array[nullable MMethodDef]]
+ protected var attr_colors: Map[MAttribute, Int]
+ protected var attr_tables: Map[MClass, Array[nullable MAttributeDef]]
- private var attr_colors: Map[MAttribute, Int]
- private var attr_tables: Map[MClass, Array[nullable MAttributeDef]]
+ protected var vt_colors: Map[MVirtualTypeProp, Int]
+ protected var vt_tables: Map[MClass, Array[nullable MVirtualTypeDef]]
+ protected var vt_masks: nullable Map[MClass, Int]
- private var ft_colors: Map[MParameterType, Int]
- private var ft_tables: Map[MClass, Array[nullable MParameterType]]
+ private var ft_colors: nullable Map[MParameterType, Int]
+ private var ft_tables: nullable Map[MClass, Array[nullable MParameterType]]
+ private var ft_masks: nullable Map[MClass, Int]
init(mainmodule: MModule, runtime_type_analysis: RapidTypeAnalysis, mmbuilder: ModelBuilder) do
+ self.do_property_coloring
+ self.compile_box_kinds
+ end
- # types coloration
- var mtypes = new HashSet[MClassType]
- mtypes.add_all(runtime_type_analysis.live_types)
- mtypes.add_all(runtime_type_analysis.live_cast_types)
+ redef fun compile_header_structs do
+ self.header.add_decl("typedef void(*nitmethod_t)(void); /* general C type representing a Nit method. */")
+ self.header.add_decl("typedef void* nitattribute_t; /* general C type representing a Nit attribute. */")
+ self.header.add_decl("struct class \{ int box_kind; nitmethod_t vft[1]; \}; /* general C type representing a Nit class. */")
+ self.header.add_decl("struct type \{ int id; int color; int livecolor; short int is_nullable; struct vts_table *vts_table; struct fts_table *fts_table; int table_size; int type_table[1]; \}; /* general C type representing a Nit type. */")
- for mtype in mtypes do
- self.typeids[mtype] = self.typeids.length
+ if modelbuilder.toolcontext.opt_phmod_typing.value or modelbuilder.toolcontext.opt_phand_typing.value then
+ self.header.add_decl("struct fts_table \{ int mask; struct type *fts[1]; \}; /* fts list of a C type representation. */")
+ self.header.add_decl("struct vts_table \{ int mask; struct type *vts[1]; \}; /* vts list of a C type representation. */")
+ else
+ self.header.add_decl("struct fts_table \{ struct type *fts[1]; \}; /* fts list of a C type representation. */")
+ self.header.add_decl("struct vts_table \{ struct type *vts[1]; \}; /* vts list of a C type representation. */")
end
- var type_coloring = new TypeColoring(mainmodule, runtime_type_analysis)
- self.type_colors = type_coloring.colorize(mtypes)
- self.type_tables = type_coloring.build_type_tables(mtypes, type_colors)
+
+ self.header.add_decl("typedef struct \{ struct type *type; struct class *class; nitattribute_t attrs[1]; \} val; /* general C type representing a Nit instance. */")
+ end
+
+ redef fun compile_class_names do
+ # Build type names table
+ var type_array = new Array[nullable MType]
+ for t, id in typeids do
+ if id >= type_array.length then
+ for i in [type_array.length..id[ do
+ type_array[i] = null
+ end
+ end
+ type_array[id] = t
+ end
+
+ var v = self.new_visitor
+ self.header.add_decl("extern const char const * class_names[];")
+ v.add("const char const * class_names[] = \{")
+ for t in type_array do
+ if t == null then
+ v.add("NULL,")
+ else
+ v.add("\"{t}\",")
+ end
+ end
+ v.add("\};")
+ 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
+ if mclass.mclass_type.ctype == "val*" then
+ return 0
+ else if mclass.kind == extern_kind 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
+ for m, c in colors do
+ if m isa MProperty then
+ if modelbuilder.toolcontext.opt_inline_coloring_numbers.value then
+ self.header.add_decl("#define {m.const_color} {c}")
+ else
+ self.header.add_decl("extern const int {m.const_color};")
+ self.header.add("const int {m.const_color} = {c};")
+ end
+ else if m isa MType then
+ if modelbuilder.toolcontext.opt_inline_coloring_numbers.value then
+ self.header.add_decl("#define {m.const_color} {c}")
+ else
+ self.header.add_decl("extern const int {m.const_color};")
+ self.header.add("const int {m.const_color} = {c};")
+ end
+ end
+ end
+ end
+
+ # colorize classe properties
+ fun do_property_coloring do
# classes coloration
- var class_coloring = new ClassColoring(mainmodule)
- self.class_colors = class_coloring.colorize(mmbuilder.model.mclasses)
+ self.class_coloring = new ClassColoring(mainmodule)
+ class_coloring.colorize(modelbuilder.model.mclasses)
# methods coloration
- var method_coloring = new MethodColoring(class_coloring)
+ var method_coloring = new MethodColoring(self.class_coloring)
self.method_colors = method_coloring.colorize
self.method_tables = method_coloring.build_property_tables
+ self.compile_color_consts(self.method_colors)
# attributes coloration
- var attribute_coloring = new AttributeColoring(class_coloring)
+ var attribute_coloring = new AttributeColoring(self.class_coloring)
self.attr_colors = attribute_coloring.colorize
self.attr_tables = attribute_coloring.build_property_tables
+ self.compile_color_consts(self.attr_colors)
+
+ if modelbuilder.toolcontext.opt_bm_typing.value then
+ self.class_coloring = new NaiveClassColoring(mainmodule)
+ self.class_coloring.colorize(modelbuilder.model.mclasses)
+ end
+
+ # vt coloration
+ if modelbuilder.toolcontext.opt_bm_typing.value then
+ var vt_coloring = new NaiveVTColoring(self.class_coloring)
+ self.vt_colors = vt_coloring.colorize
+ self.vt_tables = vt_coloring.build_property_tables
+ else if modelbuilder.toolcontext.opt_phmod_typing.value then
+ var vt_coloring = new VTModPerfectHashing(self.class_coloring)
+ self.vt_colors = vt_coloring.colorize
+ self.vt_masks = vt_coloring.compute_masks
+ self.vt_tables = vt_coloring.build_property_tables
+ else if modelbuilder.toolcontext.opt_phand_typing.value then
+ var vt_coloring = new VTAndPerfectHashing(self.class_coloring)
+ self.vt_colors = vt_coloring.colorize
+ self.vt_masks = vt_coloring.compute_masks
+ self.vt_tables = vt_coloring.build_property_tables
+ else
+ var vt_coloring = new VTColoring(self.class_coloring)
+ self.vt_colors = vt_coloring.colorize
+ self.vt_tables = vt_coloring.build_property_tables
+ end
+ self.compile_color_consts(self.vt_colors)
+ end
+
+ # colorize live types of the program
+ private fun do_type_coloring: Set[MType] do
+ var mtypes = new HashSet[MType]
+ mtypes.add_all(self.runtime_type_analysis.live_types)
+ mtypes.add_all(self.runtime_type_analysis.live_cast_types)
+ mtypes.add_all(self.undead_types)
+
+ for mtype in mtypes do
+ retieve_live_partial_types(mtype)
+ end
+ mtypes.add_all(self.partial_types)
+
+ # set type unique id
+ if modelbuilder.toolcontext.opt_phmod_typing.value or modelbuilder.toolcontext.opt_phand_typing.value then
+ var sorted_mtypes = new OrderedSet[MType].from(mtypes)
+ sorted_mtypes.linearize(new ReverseTypeSorter(self.mainmodule))
+ for mtype in sorted_mtypes do
+ self.typeids[mtype] = self.typeids.length + 1
+ end
+ else
+ for mtype in mtypes do
+ self.typeids[mtype] = self.typeids.length
+ end
+ end
+
+ # fts coloration for non-erased compilation
+ if modelbuilder.toolcontext.opt_bm_typing.value then
+ var ft_coloring = new NaiveFTColoring(self.class_coloring)
+ self.ft_colors = ft_coloring.colorize
+ self.ft_tables = ft_coloring.build_ft_tables
+ else if modelbuilder.toolcontext.opt_phmod_typing.value then
+ var ft_coloring = new FTModPerfectHashing(self.class_coloring)
+ self.ft_colors = ft_coloring.colorize
+ self.ft_masks = ft_coloring.compute_masks
+ self.ft_tables = ft_coloring.build_ft_tables
+ else if modelbuilder.toolcontext.opt_phand_typing.value then
+ var ft_coloring = new FTAndPerfectHashing(self.class_coloring)
+ self.ft_colors = ft_coloring.colorize
+ self.ft_masks = ft_coloring.compute_masks
+ self.ft_tables = ft_coloring.build_ft_tables
+ else
+ var ft_coloring = new FTColoring(self.class_coloring)
+ self.ft_colors = ft_coloring.colorize
+ self.ft_tables = ft_coloring.build_ft_tables
+ end
+ self.compile_color_consts(self.ft_colors.as(not null))
- # fts coloration
- var ft_coloring = new FTColoring(class_coloring)
- self.ft_colors = ft_coloring.colorize
- self.ft_tables = ft_coloring.build_ft_tables
+ # colorize live entries
+ var entries_coloring
+ if modelbuilder.toolcontext.opt_bm_typing.value then
+ entries_coloring = new NaiveLiveEntryColoring
+ else
+ entries_coloring = new LiveEntryColoring
+ end
+ self.livetypes_colors = entries_coloring.colorize(mtypes)
+ self.livetypes_tables = entries_coloring.build_livetype_tables(mtypes)
+ self.livetypes_tables_sizes = entries_coloring.livetypes_tables_sizes
+
+ # colorize types
+ if modelbuilder.toolcontext.opt_bm_typing.value then
+ var type_coloring = new NaiveTypeColoring(self.mainmodule, mtypes)
+ self.type_colors = type_coloring.colorize(mtypes)
+ self.type_tables = type_coloring.build_type_tables(mtypes, type_colors)
+ else if modelbuilder.toolcontext.opt_phmod_typing.value then
+ var type_coloring = new TypeModPerfectHashing(self.mainmodule, mtypes)
+ self.type_colors = type_coloring.compute_masks(mtypes, typeids)
+ self.type_tables = type_coloring.hash_type_tables(mtypes, typeids, type_colors)
+
+ self.header.add_decl("int HASH(int, int);")
+ var v = new_visitor
+ v.add_decl("int HASH(int mask, int id) \{")
+ v.add_decl("return mask % id;")
+ v.add_decl("\}")
+ else if modelbuilder.toolcontext.opt_phand_typing.value then
+ var type_coloring = new TypeAndPerfectHashing(self.mainmodule, mtypes)
+ self.type_colors = type_coloring.compute_masks(mtypes, typeids)
+ self.type_tables = type_coloring.hash_type_tables(mtypes, typeids, type_colors)
+
+ self.header.add_decl("int HASH(int, int);")
+ var v = new_visitor
+ v.add_decl("int HASH(int mask, int id) \{")
+ v.add_decl("return mask & id;")
+ v.add_decl("\}")
+ else
+ var type_coloring = new TypeColoring(self.mainmodule, mtypes)
+ self.type_colors = type_coloring.colorize(mtypes)
+ self.type_tables = type_coloring.build_type_tables(mtypes, type_colors)
+ end
+
+
+ # for the class_name and output_class_name methods
+ self.compile_class_names
+
+ return mtypes
+ end
+
+ fun retieve_live_partial_types(mtype: MType) do
+ # add formal types arguments to mtypes
+ if mtype isa MGenericType then
+ for ft in mtype.arguments do
+ if ft.need_anchor then
+ print("Why do we need anchor here ?")
+ abort
+ end
+ self.partial_types.add(ft)
+ retieve_live_partial_types(ft)
+ end
+ end
+ var mclass_type: MClassType
+ if mtype isa MNullableType then
+ mclass_type = mtype.mtype.as(MClassType)
+ else
+ mclass_type = mtype.as(MClassType)
+ end
+
+ # add virtual types to mtypes
+ for vt in self.vt_tables[mclass_type.mclass] do
+ if vt != null then
+ var anchored = vt.bound.anchor_to(self.mainmodule, mclass_type)
+ self.partial_types.add(anchored)
+ end
+ end
+ end
+
+ # declare live generic types tables selection
+ private fun compile_live_gentype_to_c(mclass: MClass) do
+ if mclass.arity > 0 then
+ if self.livetypes_tables.has_key(mclass) then
+ var table = self.livetypes_tables[mclass]
+ var sign = self.livetypes_tables_sizes[mclass]
+ var table_buffer = new Buffer.from("const struct type *livetypes_{mclass.c_name}[{sign.join("][")}] = \{\n")
+ compile_livetype_table(table, table_buffer, 1, mclass.arity)
+ table_buffer.append("\};")
+
+ var v = new SeparateCompilerVisitor(self)
+ self.header.add_decl("extern const struct type *livetypes_{mclass.c_name}[{sign.join("][")}];")
+ v.add_decl(table_buffer.to_s)
+ else
+ var sign = new Array[Int].filled_with(0, mclass.arity)
+ var v = new SeparateCompilerVisitor(self)
+ self.header.add_decl("extern const struct type *livetypes_{mclass.c_name}[{sign.join("][")}];")
+ v.add_decl("const struct type *livetypes_{mclass.c_name}[{sign.join("][")}];")
+ end
+ end
+ end
+
+ private fun compile_livetype_table(table: Array[nullable Object], buffer: Buffer, depth: Int, max: Int) do
+ for obj in table do
+ if obj == null then
+ if depth == max then
+ buffer.append("NULL,\n")
+ else
+ buffer.append("\{\},\n")
+ end
+ else if obj isa MClassType then
+ buffer.append("(struct type*) &type_{obj.c_name}, /* {obj} */\n")
+ else if obj isa Array[nullable Object] then
+ buffer.append("\{\n")
+ compile_livetype_table(obj, buffer, depth + 1, max)
+ buffer.append("\},\n")
+ end
+ end
end
# Separately compile all the method definitions of the module
#print "compile {pd} @ {cd} @ {mmodule}"
var r = new SeparateRuntimeFunction(pd)
r.compile_to_c(self)
- if cd.bound_mtype.ctype != "val*" then
+ if true or cd.bound_mtype.ctype != "val*" then
var r2 = new VirtualRuntimeFunction(pd)
r2.compile_to_c(self)
end
end
# Globaly compile the type structure of a live type
- fun compile_type_to_c(mtype: MClassType)
+ fun compile_type_to_c(mtype: MType)
do
var c_name = mtype.c_name
var v = new SeparateCompilerVisitor(self)
self.header.add_decl("struct type_{c_name} \{")
self.header.add_decl("int id;")
self.header.add_decl("int color;")
+ self.header.add_decl("int livecolor;")
+ self.header.add_decl("short int is_nullable;")
+ self.header.add_decl("const struct vts_table_{c_name} *vts_table;")
self.header.add_decl("const struct fts_table_{c_name} *fts_table;")
+ self.header.add_decl("int table_size;")
self.header.add_decl("int type_table[{self.type_tables[mtype].length}];")
self.header.add_decl("\};")
- # extern const struct fst_table_X fst_table_X
- self.header.add_decl("extern const struct fts_table_{c_name} fts_table_{c_name};")
- self.header.add_decl("struct fts_table_{c_name} \{")
- self.header.add_decl("struct type *fts[{self.ft_tables[mtype.mclass].length}];")
- self.header.add_decl("\};")
-
# const struct type_X
v.add_decl("const struct type_{c_name} type_{c_name} = \{")
v.add_decl("{self.typeids[mtype]},")
v.add_decl("{self.type_colors[mtype]},")
+ v.add_decl("{self.livetypes_colors[mtype]},")
+ if mtype isa MNullableType then
+ v.add_decl("1,")
+ else
+ v.add_decl("0,")
+ end
+ v.add_decl("&vts_table_{c_name},")
v.add_decl("&fts_table_{c_name},")
+ 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("\},")
v.add_decl("\};")
- # const struct fst_table_X fst_table_X
- v.add_decl("const struct fts_table_{c_name} fts_table_{c_name} = \{")
+ compile_type_fts_table(mtype)
+ compile_type_vts_table(mtype)
+ end
+
+ protected fun compile_type_fts_table(mtype: MType) do
+
+ var mclass_type: MClassType
+ if mtype isa MNullableType then
+ mclass_type = mtype.mtype.as(MClassType)
+ else
+ mclass_type = mtype.as(MClassType)
+ end
+
+ # extern const struct fst_table_X fst_table_X
+ self.header.add_decl("extern const struct fts_table_{mtype.c_name} fts_table_{mtype.c_name};")
+ self.header.add_decl("struct fts_table_{mtype.c_name} \{")
+ if modelbuilder.toolcontext.opt_phmod_typing.value or modelbuilder.toolcontext.opt_phand_typing.value then
+ self.header.add_decl("int mask;")
+ end
+ self.header.add_decl("struct type *fts[{self.ft_tables[mclass_type.mclass].length}];")
+ self.header.add_decl("\};")
+
+ # const struct fts_table_X fts_table_X
+ var v = new_visitor
+ v.add_decl("const struct fts_table_{mtype.c_name} fts_table_{mtype.c_name} = \{")
+ if modelbuilder.toolcontext.opt_phmod_typing.value or modelbuilder.toolcontext.opt_phand_typing.value then
+ v.add_decl("{self.ft_masks[mclass_type.mclass]},")
+ end
v.add_decl("\{")
+ for ft in self.ft_tables[mclass_type.mclass] do
+ if ft == null then
+ v.add_decl("NULL, /* empty */")
+ else
+ var ntype: MType
+ if ft.mclass == mclass_type.mclass then
+ ntype = mclass_type.arguments[ft.rank]
+ else
+ ntype = ft.anchor_to(self.mainmodule, mclass_type)
+ end
+ if self.typeids.has_key(ntype) then
+ v.add_decl("(struct type*)&type_{ntype.c_name}, /* {ft} ({ntype}) */")
+ else
+ v.add_decl("NULL, /* empty ({ft} not a live type) */")
+ end
+ end
+ end
+ v.add_decl("\},")
+ v.add_decl("\};")
+ end
- if mtype isa MGenericType then
- for ft in self.ft_tables[mtype.mclass] do
- if ft == null then
- v.add_decl("NULL, /* empty */")
+ protected fun compile_type_vts_table(mtype: MType) do
+
+ var mclass_type: MClassType
+ if mtype isa MNullableType then
+ mclass_type = mtype.mtype.as(MClassType)
+ else
+ mclass_type = mtype.as(MClassType)
+ end
+
+ # extern const struct vts_table_X vts_table_X
+ self.header.add_decl("extern const struct vts_table_{mtype.c_name} vts_table_{mtype.c_name};")
+ self.header.add_decl("struct vts_table_{mtype.c_name} \{")
+ if modelbuilder.toolcontext.opt_phmod_typing.value or modelbuilder.toolcontext.opt_phand_typing.value then
+ self.header.add_decl("int mask;")
+ end
+ self.header.add_decl("struct type *vts[{self.vt_tables[mclass_type.mclass].length}];")
+ self.header.add_decl("\};")
+
+ # const struct vts_table_X vts_table_X
+ var v = new_visitor
+ v.add_decl("const struct vts_table_{mtype.c_name} vts_table_{mtype.c_name} = \{")
+ if modelbuilder.toolcontext.opt_phmod_typing.value or modelbuilder.toolcontext.opt_phand_typing.value then
+ v.add_decl("{vt_masks[mclass_type.mclass]},")
+ end
+ v.add_decl("\{")
+
+ for vt in self.vt_tables[mclass_type.mclass] do
+ if vt == null then
+ v.add_decl("NULL, /* empty */")
+ else
+ var bound = vt.bound
+ if bound == null then
+ #FIXME how can a bound be null here ?
+ print "No bound found for virtual type {vt} ?"
+ abort
else
- var id = -1
- var ftype: MClassType
- if ft.mclass == mtype.mclass then
- var ntype = mtype.arguments[ft.rank]
- if ntype isa MNullableType then ntype = ntype.mtype
- ftype = ntype.as(MClassType)
+ var is_nullable = ""
+ if bound isa MNullableType then
+ bound = bound.mtype
+ is_nullable = "nullable_"
+ end
+ if bound isa MVirtualType then
+ bound = bound.anchor_to(self.mainmodule, mclass_type)
+ else if bound isa MParameterType then
+ bound = bound.anchor_to(self.mainmodule, mclass_type)
+ else if bound isa MGenericType and bound.need_anchor then
+ bound = bound.anchor_to(self.mainmodule, mclass_type)
+ else if bound isa MClassType then
else
- ftype = ft.anchor_to(self.mainmodule, mtype).as(MClassType)
+ print "NOT YET IMPLEMENTED: mtype_to_livetype with type: {bound}"
+ abort
end
- if self.typeids.has_key(ftype) then
- v.add_decl("(struct type*)&type_{ftype.c_name}, /* {ft} ({ftype}) */")
+
+ if self.typeids.has_key(bound) then
+ v.add_decl("(struct type*)&type_{is_nullable}{bound.c_name}, /* {bound} */")
else
- v.add_decl("NULL, /* empty ({ft} not a live type) */")
+ v.add_decl("NULL, /* dead type {bound} */")
end
end
end
end
-
v.add_decl("\},")
v.add_decl("\};")
end
fun compile_class_to_c(mclass: MClass)
do
var mtype = mclass.intro.bound_mtype
- var c_name = mclass.mclass_type.c_name
+ var c_name = mclass.c_name
var vft = self.method_tables[mclass]
var attrs = self.attr_tables[mclass]
+ var v = new_visitor
- var v = new SeparateCompilerVisitor(self)
-
- v.add_decl("/* runtime class {mtype} */")
+ v.add_decl("/* runtime class {c_name} */")
var idnum = classids.length
var idname = "ID_" + c_name
self.classids[mtype] = idname
- self.header.add_decl("#define {idname} {idnum} /* {mtype} */")
+ #self.header.add_decl("#define {idname} {idnum} /* {c_name} */")
self.header.add_decl("struct class_{c_name} \{")
+ self.header.add_decl("int box_kind;")
self.header.add_decl("nitmethod_t vft[{vft.length}];")
-
- if mtype.ctype != "val*" then
- # Is the Nit type is native then the struct is a box with two fields:
- # * the `vft` to be polymorph
- # * the `value` that contains the native value.
- self.header.add_decl("{mtype.ctype} value;")
- end
-
- # Collect all attributes and associate them a field in the structure.
- # Note: we do not try to optimize the order and helps CC to optimize the client code.
- for cd in mtype.collect_mclassdefs(self.mainmodule) do
- for p in cd.intro_mproperties do
- if not p isa MAttribute then continue
- var t = p.intro.static_mtype.as(not null)
- t = t.anchor_to(self.mainmodule, mtype)
- self.header.add_decl("{t.ctype} {p.intro.c_name}; /* {p}: {t} */")
- end
- end
self.header.add_decl("\};")
# Build class vft
self.header.add_decl("extern const struct class_{c_name} class_{c_name};")
v.add_decl("const struct class_{c_name} 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
- if mpropdef.mclassdef.bound_mtype.ctype != "val*" then
+ if true or mpropdef.mclassdef.bound_mtype.ctype != "val*" then
v.add_decl("(nitmethod_t)VIRTUAL_{mpropdef.c_name}, /* pointer to {mclass.intro_mmodule}:{mclass}:{mpropdef} */")
else
v.add_decl("(nitmethod_t){mpropdef.c_name}, /* pointer to {mclass.intro_mmodule}:{mclass}:{mpropdef} */")
if mtype.ctype != "val*" then
#Build instance struct
self.header.add_decl("struct instance_{c_name} \{")
- self.header.add_decl("const struct type_{c_name} *type;")
- self.header.add_decl("const struct class_{c_name} *class;")
+ self.header.add_decl("const struct type *type;")
+ self.header.add_decl("const struct class *class;")
self.header.add_decl("{mtype.ctype} value;")
self.header.add_decl("\};")
+ if not self.runtime_type_analysis.live_types.has(mtype) then return
+
self.header.add_decl("val* BOX_{c_name}({mtype.ctype});")
v.add_decl("/* allocate {mtype} */")
v.add_decl("val* BOX_{mtype.c_name}({mtype.ctype} value) \{")
v.add("struct instance_{c_name}*res = GC_MALLOC(sizeof(struct instance_{c_name}));")
- if self.typeids.has_key(mtype) then
- v.add("res->type = &type_{c_name};")
- else
- v.add("res->type = NULL;")
- end
- v.add("res->class = &class_{c_name};")
+ v.add("res->type = (struct type*) &type_{c_name};")
+ v.add("res->class = (struct class*) &class_{c_name};")
v.add("res->value = value;")
v.add("return (val*)res;")
v.add("\}")
return
end
+ var is_native_array = mclass.name == "NativeArray"
+
+ var sig
+ if is_native_array then
+ sig = "int length, struct type* type"
+ else
+ sig = "struct type* type"
+ end
+
#Build instance struct
- v.add_decl("struct instance_{c_name} \{")
- v.add_decl("const struct type_{c_name} *type;")
- v.add_decl("const struct class_{c_name} *class;")
- v.add_decl("nitattribute_t attrs[{attrs.length}];")
- v.add_decl("\};")
+ #extern const struct instance_array__NativeArray instance_array__NativeArray;
+ 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("nitattribute_t attrs[{attrs.length}];")
+ if is_native_array then
+ # NativeArrays are just a instance header followed by an array of values
+ self.header.add_decl("val* values[0];")
+ end
+ self.header.add_decl("\};")
- self.header.add_decl("{mtype.ctype} NEW_{c_name}(struct type *type);")
+ self.header.add_decl("{mtype.ctype} NEW_{c_name}({sig});")
v.add_decl("/* allocate {mtype} */")
- v.add_decl("{mtype.ctype} NEW_{c_name}(struct type *type) \{")
- var res = v.new_var(mtype)
+ v.add_decl("{mtype.ctype} NEW_{c_name}({sig}) \{")
+ var res = v.new_named_var(mtype, "self")
res.is_exact = true
- v.add("{res} = calloc(sizeof(struct instance_{c_name}), 1);")
+ if is_native_array then
+ var mtype_elt = mtype.arguments.first
+ v.add("{res} = GC_MALLOC(sizeof(struct instance_{c_name}) + length*sizeof({mtype_elt.ctype}));")
+ else
+ v.add("{res} = GC_MALLOC(sizeof(struct instance_{c_name}));")
+ end
+ #v.add("{res} = calloc(sizeof(struct instance_{c_name}), 1);")
v.add("{res}->type = type;")
v.add("{res}->class = (struct class*) &class_{c_name};")
- for cd in mtype.collect_mclassdefs(self.mainmodule)
- do
- var n = self.modelbuilder.mclassdef2nclassdef[cd]
- for npropdef in n.n_propdefs do
- if npropdef isa AAttrPropdef then
- npropdef.init_expr(v, res)
- end
- end
- end
+ self.generate_init_attr(v, res, mtype)
v.add("return {res};")
v.add("\}")
+
+ generate_check_init_instance(mtype)
+ end
+
+ redef fun generate_check_init_instance(mtype)
+ do
+ if self.modelbuilder.toolcontext.opt_no_check_initialization.value then return
+
+ var v = self.new_visitor
+ var c_name = mtype.mclass.c_name
+ var res = new RuntimeVariable("self", mtype, mtype)
+ self.header.add_decl("void CHECK_NEW_{c_name}({mtype.ctype});")
+ v.add_decl("/* allocate {mtype} */")
+ v.add_decl("void CHECK_NEW_{c_name}({mtype.ctype} {res}) \{")
+ self.generate_check_attr(v, res, mtype)
+ v.add("\}")
end
+
+ redef fun new_visitor do return new SeparateCompilerVisitor(self)
end
# The C function associated to a methoddef separately compiled
var mmethoddef = self.mmethoddef
var recv = self.mmethoddef.mclassdef.bound_mtype
- var v = new SeparateCompilerVisitor(compiler)
+ 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 Buffer
var comment = new Buffer
- var ret = mmethoddef.msignature.return_mtype
+ var ret = msignature.return_mtype
if ret != null then
- ret = v.resolve_for(ret, selfvar)
sig.append("{ret.ctype} ")
else if mmethoddef.mproperty.is_new then
ret = recv
sig.append("void ")
end
sig.append(self.c_name)
- sig.append("({selfvar.mtype.ctype} self")
- comment.append("(self: {recv}")
+ sig.append("({selfvar.mtype.ctype} {selfvar}")
+ comment.append("(self: {selfvar}")
arguments.add(selfvar)
- for i in [0..mmethoddef.msignature.arity[ do
- var mtype = mmethoddef.msignature.mparameters[i].mtype
- if i == mmethoddef.msignature.vararg_rank then
+ 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
- mtype = v.resolve_for(mtype, selfvar)
comment.append(", {mtype}")
sig.append(", {mtype.ctype} p{i}")
var argvar = new RuntimeVariable("p{i}", mtype, mtype)
var mmethoddef = self.mmethoddef
var recv = self.mmethoddef.mclassdef.bound_mtype
- var v = new SeparateCompilerVisitor(compiler)
+ 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 sig = new Buffer
var comment = new Buffer
- var msignature = mmethoddef.mproperty.intro.msignature
+
+ # 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
- ret = v.resolve_for(ret, selfvar)
sig.append("{ret.ctype} ")
else if mmethoddef.mproperty.is_new then
ret = recv
sig.append("void ")
end
sig.append(self.c_name)
- sig.append("({selfvar.mtype.ctype} self")
- comment.append("(self: {recv}")
+ sig.append("({selfvar.mtype.ctype} {selfvar}")
+ comment.append("(self: {selfvar}")
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
- mtype = v.resolve_for(mtype, selfvar)
comment.append(", {mtype}")
sig.append(", {mtype.ctype} p{i}")
var argvar = new RuntimeVariable("p{i}", mtype, mtype)
redef fun adapt_signature(m: MMethodDef, args: Array[RuntimeVariable])
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..m.msignature.arity[ do
- var t = m.msignature.mparameters[i].mtype
- if i == m.msignature.vararg_rank then
+ 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
- t = self.resolve_for(t, recv)
args[i+1] = self.autobox(args[i+1], t)
end
end
# ENSURE: result.mtype.ctype == mtype.ctype
redef fun autobox(value: RuntimeVariable, mtype: MType): RuntimeVariable
do
- if value.mtype.ctype == mtype.ctype then
+ 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)
redef fun send(mmethod, arguments)
do
- if arguments.first.mtype.ctype != "val*" then
- assert arguments.first.mtype == arguments.first.mcasttype
- return self.monomorphic_send(mmethod, arguments.first.mtype, arguments)
+ if arguments.first.mcasttype.ctype != "val*" then
+ return self.monomorphic_send(mmethod, arguments.first.mcasttype, arguments)
end
var res: nullable RuntimeVariable
else if ret == null then
res = null
else
- ret = self.resolve_for(ret, arguments.first)
res = self.new_var(ret)
end
var recv = arguments.first
s.append("val*")
ss.append("{recv}")
+ self.varargize(msignature, arguments)
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 maybenull = recv.mcasttype isa MNullableType
+ var consider_null = not self.compiler.modelbuilder.toolcontext.opt_no_check_other.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
self.add("\} else \{")
end
- var color = self.compiler.as(SeparateCompiler).method_colors[mmethod]
var r
if ret == null then r = "void" else r = ret.ctype
- var call = "(({r} (*)({s}))({arguments.first}->class->vft[{color}]))({ss})"
+ var call = "(({r} (*)({s}))({arguments.first}->class->vft[{mmethod.const_color}]))({ss}) /* {mmethod} on {arguments.first.inspect}*/"
if res != null then
self.add("{res} = {call};")
else if ret == null then
res = null
else
- ret = self.resolve_for(ret, arguments.first)
+ ret = ret.resolve_for(mmethoddef.mclassdef.bound_mtype, mmethoddef.mclassdef.bound_mtype, mmethoddef.mclassdef.mmodule, true)
res = self.new_var(ret)
end
+ if self.compiler.modelbuilder.mpropdef2npropdef.has_key(mmethoddef) and
+ self.compiler.modelbuilder.mpropdef2npropdef[mmethoddef] isa AInternMethPropdef and
+ not compiler.modelbuilder.toolcontext.opt_no_inline_intern.value then
+ 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(",")}) */")
+ 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
+
# Autobox arguments
self.adapt_signature(mmethoddef, arguments)
redef fun isset_attribute(a, recv)
do
- # FIXME: Here we inconditionally return boxed primitive attributes
+ self.check_recv_notnull(recv)
var res = self.new_var(bool_type)
- self.add("{res} = {recv}->attrs[{self.compiler.as(SeparateCompiler).attr_colors[a]}] != NULL;")
+ self.add("{res} = {recv}->attrs[{a.const_color}] != NULL; /* {a} on {recv.inspect}*/")
return res
end
redef fun read_attribute(a, recv)
do
- # FIXME: Here we inconditionally return boxed primitive attributes
+ self.check_recv_notnull(recv)
+
+ # What is the declared type of the attribute?
var ret = a.intro.static_mtype.as(not null)
- ret = self.resolve_for(ret, recv)
+ var intromclassdef = a.intro.mclassdef
+ ret = ret.resolve_for(intromclassdef.bound_mtype, intromclassdef.bound_mtype, intromclassdef.mmodule, true)
+
+ # 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} = (val*) {recv}->attrs[{self.compiler.as(SeparateCompiler).attr_colors[a]}];")
- if not ret isa MNullableType then
+ 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_initialization.value then
self.add("if ({res} == NULL) \{")
self.add_abort("Uninitialized attribute {a.name}")
self.add("\}")
end
- return res
+ # 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)
end
redef fun write_attribute(a, recv, value)
do
- # FIXME: Here we inconditionally box primitive attributes
- value = self.autobox(value, self.object_type.as_nullable)
- self.add("{recv}->attrs[{self.compiler.as(SeparateCompiler).attr_colors[a]}] = {value};")
+ 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)
+ 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
+ end
+
+ # Build livetype structure retrieving
+ #ENSURE: mtype.need_anchor
+ fun retrieve_anchored_livetype(mtype: MGenericType, buffer: Buffer) do
+ assert mtype.need_anchor
+
+ var compiler = self.compiler.as(SeparateCompiler)
+ for ft in mtype.arguments do
+
+ var ntype = ft
+ var s: String = ""
+ if ntype isa MNullableType then
+ ntype = ntype.mtype
+ end
+
+ if ntype isa MParameterType then
+ if compiler.modelbuilder.toolcontext.opt_phmod_typing.value or compiler.modelbuilder.toolcontext.opt_phand_typing.value then
+ buffer.append("[self->type->fts_table->fts[HASH(self->type->fts_table->mask, {ntype.const_color})]->livecolor]")
+ else
+ buffer.append("[self->type->fts_table->fts[{ntype.const_color}]->livecolor]")
+ end
+ else if ntype isa MVirtualType then
+ if compiler.modelbuilder.toolcontext.opt_phmod_typing.value or compiler.modelbuilder.toolcontext.opt_phand_typing.value then
+ buffer.append("[self->type->vts_table->vts[HASH(self->type->vts_table->mask, {ntype.mproperty.const_color})]->livecolor]")
+ else
+ buffer.append("[self->type->vts_table->vts[{ntype.mproperty.const_color}]->livecolor]")
+ end
+ else if ntype isa MGenericType and ntype.need_anchor then
+ var bbuff = new Buffer
+ retrieve_anchored_livetype(ntype, bbuff)
+ buffer.append("[livetypes_{ntype.mclass.c_name}{bbuff.to_s}->livecolor]")
+ else if ntype isa MClassType then
+ compiler.undead_types.add(ft)
+ buffer.append("[type_{ft.c_name}.livecolor]")
+ else
+ self.add("printf(\"NOT YET IMPLEMENTED: init_instance(%s, {mtype}).\\n\", \"{ft}\"); exit(1);")
+ end
+ end
end
redef fun init_instance(mtype)
do
- mtype = self.anchor(mtype).as(MClassType)
- var res = self.new_expr("NEW_{mtype.mclass.mclass_type.c_name}((struct type*) &type_{mtype.c_name})", mtype)
- return res
+ var compiler = self.compiler.as(SeparateCompiler)
+ if mtype isa MGenericType and mtype.need_anchor then
+ var buff = new Buffer
+ retrieve_anchored_livetype(mtype, buff)
+ mtype = self.anchor(mtype).as(MClassType)
+ return self.new_expr("NEW_{mtype.mclass.c_name}((struct type *) livetypes_{mtype.mclass.c_name}{buff.to_s})", mtype)
+ end
+ compiler.undead_types.add(mtype)
+ return self.new_expr("NEW_{mtype.mclass.c_name}((struct type *) &type_{mtype.c_name})", mtype)
+ end
+
+ redef fun check_init_instance(value, mtype)
+ do
+ if self.compiler.modelbuilder.toolcontext.opt_no_check_initialization.value then return
+ self.add("CHECK_NEW_{mtype.mclass.c_name}({value});")
end
+
redef fun type_test(value, mtype)
do
+ self.add("/* {value.inspect} isa {mtype} */")
var compiler = self.compiler.as(SeparateCompiler)
+
+ var recv = self.frame.arguments.first
+ var recv_boxed = self.autobox(recv, self.object_type)
+
var res = self.new_var(bool_type)
- if mtype isa MNullableType then mtype = mtype.mtype
- if mtype isa MClassType then
- self.add("{res} = {value}->type->type_table[type_{mtype.c_name}.color] == type_{mtype.c_name}.id;")
- else if mtype isa MParameterType then
- var ftcolor = compiler.ft_colors[mtype]
- self.add("{res} = {value}->type->type_table[self->type->fts_table->fts[{ftcolor}]->color] == self->type->fts_table->fts[{ftcolor}]->id;")
+ var type_struct = self.get_name("type_struct")
+ self.add_decl("struct type* {type_struct};")
+ var cltype = self.get_name("cltype")
+ self.add_decl("int {cltype};")
+ var idtype = self.get_name("idtype")
+ self.add_decl("int {idtype};")
+ var is_nullable = self.get_name("is_nullable")
+ self.add_decl("short int {is_nullable};")
+
+ var boxed = self.autobox(value, self.object_type)
+
+ var ntype = mtype
+ if ntype isa MNullableType then
+ ntype = ntype.mtype
+ end
+
+ if ntype isa MParameterType then
+ if compiler.modelbuilder.toolcontext.opt_phmod_typing.value or compiler.modelbuilder.toolcontext.opt_phand_typing.value then
+ self.add("{type_struct} = {recv_boxed}->type->fts_table->fts[HASH({recv_boxed}->type->fts_table->mask, {ntype.const_color})];")
+ else
+ self.add("{type_struct} = {recv_boxed}->type->fts_table->fts[{ntype.const_color}];")
+ end
+ self.add("{cltype} = {type_struct}->color;")
+ self.add("{idtype} = {type_struct}->id;")
+ self.add("{is_nullable} = {type_struct}->is_nullable;")
+ else if ntype isa MGenericType and ntype.need_anchor then
+ var buff = new Buffer
+ retrieve_anchored_livetype(ntype, buff)
+ self.add("{type_struct} = (struct type*)livetypes_{ntype.mclass.c_name}{buff.to_s};")
+ self.add("{cltype} = {type_struct}->color;")
+ self.add("{idtype} = {type_struct}->id;")
+ self.add("{is_nullable} = {type_struct}->is_nullable;")
+ else if ntype isa MClassType then
+ compiler.undead_types.add(mtype)
+ self.add("{cltype} = type_{mtype.c_name}.color;")
+ self.add("{idtype} = type_{mtype.c_name}.id;")
+ self.add("{is_nullable} = type_{mtype.c_name}.is_nullable;")
+ else if ntype isa MVirtualType then
+ var vtcolor = ntype.mproperty.const_color
+ if compiler.modelbuilder.toolcontext.opt_phmod_typing.value or compiler.modelbuilder.toolcontext.opt_phand_typing.value then
+ self.add("{type_struct} = {recv_boxed}->type->vts_table->vts[HASH({recv_boxed}->type->vts_table->mask, {vtcolor})];")
+ else
+ self.add("{type_struct} = {recv_boxed}->type->vts_table->vts[{vtcolor}];")
+ end
+ self.add("{cltype} = {type_struct}->color;")
+ self.add("{idtype} = {type_struct}->id;")
+ self.add("{is_nullable} = {type_struct}->is_nullable;")
+ else
+ self.add("printf(\"NOT YET IMPLEMENTED: type_test(%s, {mtype}).\\n\", \"{boxed.inspect}\"); exit(1);")
+ end
+
+ if mtype isa MNullableType then
+ self.add("{is_nullable} = 1;")
end
+ # check color is in table
+ self.add("if({boxed} == NULL) \{")
+ self.add("{res} = {is_nullable};")
+ self.add("\} else \{")
+ if compiler.modelbuilder.toolcontext.opt_phmod_typing.value or compiler.modelbuilder.toolcontext.opt_phand_typing.value then
+ self.add("{cltype} = HASH({boxed}->type->color, {idtype});")
+ end
+ self.add("if({cltype} >= {boxed}->type->table_size) \{")
+ self.add("{res} = 0;")
+ self.add("\} else \{")
+ self.add("{res} = {boxed}->type->type_table[{cltype}] == {idtype};")
+ self.add("\}")
+ self.add("\}")
+
return res
end
redef fun is_same_type_test(value1, value2)
do
var res = self.new_var(bool_type)
- # TODO
- add("printf(\"NOT YET IMPLEMENTED: is_same_type(%s,%s).\\n\", \"{value1.inspect}\", \"{value2.inspect}\"); exit(1);")
+ # 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.add("{res} = ({value2} != NULL) && ({value2}->class == (struct 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(value1)
+ redef fun class_name_string(value)
do
var res = self.get_name("var_class_name")
- self.add_decl("const char* {res};")
- # TODO
- add("printf(\"NOT YET IMPLEMENTED: class_name_string(%s).\\n\", \"{value1.inspect}\"); exit(1);")
+ self.add_decl("const char *{res};")
+ self.add("{res} = class_names[{value}->type->id];")
return res
end
value2 = tmp
end
if value1.mtype.ctype != "val*" then
- if value2.mtype.ctype == value1.mtype.ctype 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}*/")
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.as(SeparateCompiler).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
+ if t isa MNullableType then t = t.mtype
+ 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.check_init_instance(res, arraytype)
+ self.add("\}")
return res
end
+
+ fun native_array_instance(elttype: MType, length: RuntimeVariable): RuntimeVariable
+ do
+ var mtype = self.get_class("NativeArray").get_mtype([elttype])
+ assert mtype isa MGenericType
+ var compiler = self.compiler.as(SeparateCompiler)
+ if mtype.need_anchor then
+ var buff = new Buffer
+ retrieve_anchored_livetype(mtype, buff)
+ mtype = self.anchor(mtype).as(MClassType)
+ return self.new_expr("NEW_{mtype.mclass.c_name}({length}, (struct type *) livetypes_{mtype.mclass.c_name}{buff.to_s})", mtype)
+ end
+ compiler.undead_types.add(mtype)
+ return self.new_expr("NEW_{mtype.mclass.c_name}({length}, (struct type *) &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 == "copy_to" then
+ var recv1 = "((struct instance_{nclass.c_name}*){arguments[1]})->values"
+ self.add("memcpy({recv1}, {recv}, {arguments[2]}*sizeof({elttype.ctype}));")
+ return
+ end
+ end
+
+ redef fun calloc_array(ret_type, arguments)
+ do
+ var ret = ret_type.as(MGenericType)
+ var compiler = self.compiler.as(SeparateCompiler)
+ compiler.undead_types.add(ret)
+ var mclass = self.get_class("ArrayCapable")
+ var ft = mclass.mclass_type.arguments.first.as(MParameterType)
+ self.ret(self.new_expr("NEW_{ret.mclass.c_name}({arguments[1]}, (struct type*) livetypes_array__NativeArray[self->type->fts_table->fts[{ft.const_color}]->livecolor])", ret_type))
+ end
end
+redef class MClass
+ # Return the name of the C structure associated to a Nit class
+ fun c_name: String do
+ var res = self.c_name_cache
+ if res != null then return res
+ res = "{intro_mmodule.name.to_cmangle}__{name.to_cmangle}"
+ self.c_name_cache = res
+ return res
+ end
+ private var c_name_cache: nullable String
+end
+
+redef class MType
+ fun const_color: String do return "COLOR_{c_name}"
+end
+
+redef class MParameterType
+ redef fun c_name
+ do
+ var res = self.c_name_cache
+ if res != null then return res
+ res = "{self.mclass.c_name}_FT{self.rank}"
+ self.c_name_cache = res
+ return res
+ end
+end
+
+redef class MNullableType
+ redef fun c_name
+ do
+ var res = self.c_name_cache
+ if res != null then return res
+ res = "nullable_{self.mtype.c_name}"
+ self.c_name_cache = res
+ return res
+ end
+end
+
+redef class MProperty
+ fun c_name: String do
+ var res = self.c_name_cache
+ if res != null then return res
+ res = "{self.intro.c_name}"
+ self.c_name_cache = res
+ return res
+ end
+ private var c_name_cache: nullable String
+
+ fun const_color: String do return "COLOR_{c_name}"
+end