module separate_compiler
-intrude import global_compiler # TODO better separation of concerns
-intrude import vft_computation
+import global_compiler # TODO better separation of concerns
+intrude 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")
+
redef init
do
super
self.option_context.add_option(self.opt_separate)
+ self.option_context.add_option(self.opt_no_inline_intern)
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
- build_vft(mainmodule)
- 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)
+ var v = compiler.new_visitor
compiler.header = v
v.add_decl("#include <stdlib.h>")
v.add_decl("#include <stdio.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. */")
- v.add_decl("struct class \{ nitmethod_t vft[1]; \}; /* general C type representing a Nit class. */")
- v.add_decl("typedef struct \{ 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)
+ # Class abstract representation
+ v.add_decl("struct class \{ int box_kind; nitmethod_t vft[1]; \}; /* general C type representing a Nit class. */")
+ # Type abstract representation
+ v.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. */")
+ v.add_decl("struct fts_table \{ struct type *fts[1]; \}; /* fts list of a C type representation. */")
+ v.add_decl("struct vts_table \{ struct type *vts[1]; \}; /* vts 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. */")
- 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("\};")
+ compiler.compile_box_kinds
- # 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])
- end
- v.add("\}")
+ # Declare global instances
+ v.add_decl("extern int glob_argc;")
+ v.add_decl("extern char **glob_argv;")
+ v.add_decl("extern val *glob_sys;")
+ # The main function of the C
+ compiler.compile_main_function
+ # compile class structures
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 methods
+ for m in mainmodule.in_importation.greaters do
+ compiler.compile_module_to_c(m)
+ end
+
+ # compile live & cast type structures
+ var mtypes = compiler.do_global_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
+
+ # for the class_name and output_class_name methods
+ compiler.compile_class_names
+
write_and_make(compiler)
end
end
class SeparateCompiler
super GlobalCompiler # TODO better separation of concerns
+ private var undead_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]]
+
+ protected var class_colors: Map[MClass, Int] protected writable
+
+ protected var method_colors: Map[MMethod, Int] protected writable
+ protected var method_tables: Map[MClass, Array[nullable MMethodDef]] protected writable
+
+ protected var attr_colors: Map[MAttribute, Int] protected writable
+ protected var attr_tables: Map[MClass, Array[nullable MAttributeDef]] protected writable
+
+ private var vt_colors: Map[MVirtualTypeProp, Int]
+ private var vt_tables: Map[MClass, Array[nullable MVirtualTypeDef]]
+
+ private var ft_colors: Map[MParameterType, Int]
+ private var ft_tables: Map[MClass, Array[nullable MParameterType]]
+
+ init(mainmodule: MModule, runtime_type_analysis: RapidTypeAnalysis, mmbuilder: ModelBuilder) do
+ # classes coloration
+ var class_coloring = new ClassColoring(mainmodule)
+ self.class_colors = class_coloring.colorize(mmbuilder.model.mclasses)
+
+ # methods coloration
+ var method_coloring = new MethodColoring(class_coloring)
+ self.method_colors = method_coloring.colorize
+ self.method_tables = method_coloring.build_property_tables
+
+ # attributes coloration
+ var attribute_coloring = new AttributeColoring(class_coloring)
+ self.attr_colors = attribute_coloring.colorize
+ self.attr_tables = attribute_coloring.build_property_tables
+
+ # vt coloration
+ var vt_coloring = new VTColoring(class_coloring)
+ self.vt_colors = vt_coloring.colorize
+ self.vt_tables = vt_coloring.build_property_tables
+
+ # fts coloration
+ var ft_coloring = new FTColoring(class_coloring)
+ self.ft_colors = ft_coloring.colorize
+ self.ft_tables = ft_coloring.build_ft_tables
+ 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
+
+ protected fun compile_class_names do
+
+ # Build type names table
+ var type_array = new Array[nullable MType]
+ for t, i in typeids do
+ if i >= type_array.length then
+ type_array[i] = null
+ end
+ type_array[i] = 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
+
+ # colorize live types of the program
+ private fun do_global_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)
+
+ self.undead_types.clear
+ for mtype in mtypes 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.undead_types.add(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.undead_types.add(anchored)
+ end
+ end
+ end
+ mtypes.add_all(self.undead_types)
+
+ # set type unique id
+ for mtype in mtypes do
+ self.typeids[mtype] = self.typeids.length
+ end
+
+ # colorize live entries
+ var entries_coloring = new LiveEntryColoring
+ 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
+ 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)
+
+ return mtypes
+ 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
fun compile_module_to_c(mmodule: MModule)
do
#print "compile {pd} @ {cd} @ {mmodule}"
var r = new SeparateRuntimeFunction(pd)
r.compile_to_c(self)
+ if true or cd.bound_mtype.ctype != "val*" then
+ var r2 = new VirtualRuntimeFunction(pd)
+ r2.compile_to_c(self)
+ end
+ end
+ end
+ end
+
+ # Globaly compile the type structure of a live type
+ fun compile_type_to_c(mtype: MType)
+ do
+ var c_name = mtype.c_name
+ var v = new SeparateCompilerVisitor(self)
+ v.add_decl("/* runtime type {mtype} */")
+
+ 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 type_X
+ self.header.add_decl("extern const struct type_{c_name} type_{c_name};")
+ 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 vts_table_X vts_table_X
+ self.header.add_decl("extern const struct vts_table_{c_name} vts_table_{c_name};")
+ self.header.add_decl("struct vts_table_{c_name} \{")
+ self.header.add_decl("struct type *vts[{self.vt_tables[mclass_type.mclass].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[mclass_type.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("-1, /* empty */")
+ else
+ v.add_decl("{self.typeids[stype]}, /* {stype} */")
end
end
+ v.add_decl("\},")
+ v.add_decl("\};")
+
+ build_fts_table(mtype, v)
+ build_vts_table(mtype, v)
+ end
+
+ # const struct fst_table_X fst_table_X
+ private fun build_fts_table(mtype: MType, v: SeparateCompilerVisitor) do
+ v.add_decl("const struct fts_table_{mtype.c_name} fts_table_{mtype.c_name} = \{")
+ v.add_decl("\{")
+
+ var mclass_type: MClassType
+ if mtype isa MNullableType then
+ mclass_type = mtype.mtype.as(MClassType)
+ else
+ mclass_type = mtype.as(MClassType)
+ end
+
+ 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
+
+ # const struct vts_table_X vts_table_X
+ private fun build_vts_table(mtype: MType, v: SeparateCompilerVisitor) do
+ v.add_decl("const struct vts_table_{mtype.c_name} vts_table_{mtype.c_name} = \{")
+ v.add_decl("\{")
+
+ var mclass_type: MClassType
+ if mtype isa MNullableType then
+ mclass_type = mtype.mtype.as(MClassType)
+ else
+ mclass_type = mtype.as(MClassType)
+ end
+
+ 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 ntype = bound
+ if ntype isa MNullableType then ntype = ntype.mtype
+ if ntype isa MVirtualType then
+ bound = ntype.anchor_to(self.mainmodule, mclass_type)
+ else if ntype isa MParameterType then
+ bound = ntype.anchor_to(self.mainmodule, mclass_type)
+ else if ntype isa MGenericType and bound.need_anchor then
+ bound = ntype.anchor_to(self.mainmodule, mclass_type)
+ else if ntype isa MClassType then
+ else
+ print "NOT YET IMPLEMENTED: mtype_to_livetype with type: {ntype}"
+ abort
+ end
+
+ if self.typeids.has_key(bound) then
+ v.add_decl("(struct type*)&type_{bound.c_name}, /* {ntype} */")
+ else
+ v.add_decl("NULL, /* dead type {ntype} */")
+ end
+ end
+ end
+ end
+ v.add_decl("\},")
+ v.add_decl("\};")
end
# Globally compile the table of the class mclass
# 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.mclassdefs.first.bound_mtype
- var c_name = mclass.mclass_type.c_name
+ 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 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("nitmethod_t vft[{mclass.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("int box_kind;")
+ self.header.add_decl("nitmethod_t vft[{vft.length}];")
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 .. mclass.vft.length[ do
- var mpropdef = mclass.vft[i]
+ for i in [0 .. vft.length[ do
+ var mpropdef = vft[i]
if mpropdef == null then
v.add_decl("NULL, /* empty */")
else
- v.add_decl("(nitmethod_t){mpropdef.c_name}, /* pointer to {mclass.intro_mmodule}:{mclass}:{mpropdef} */")
+ 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} */")
+ end
end
end
v.add_decl("\}")
v.add_decl("\};")
+ if mtype.ctype != "val*" 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;")
+ 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}));")
+ 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("struct class_{c_name} *vft;")
- v.add_decl("nitattribute_t attrs[{mclass.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("\};")
- if mtype.ctype != "val*" then return
- self.header.add_decl("{mtype.ctype} NEW_{c_name}(void);")
+ self.header.add_decl("{mtype.ctype} NEW_{c_name}({sig});")
v.add_decl("/* allocate {mtype} */")
- v.add_decl("{mtype.ctype} NEW_{c_name}(void) \{")
- 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
+ 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("(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
+ 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.header.add_decl("{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("\}")
+ 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}"
+ end
+
+ 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 Buffer
+ var comment = new Buffer
+
+ # 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("({recv.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)
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*" then
- #return self.new_expr("((struct {mtype.c_name}*){value})->value /* autounbox from {value.mtype} to {mtype} */", mtype)
+ 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)
var res = self.new_var(mtype)
self.add("printf(\"Dead code executed!\\n\"); exit(1);")
return res
end
- # Handles primitives C types
- if value.mtype.ctype != "val*" then
- self.add("{res} = (val*) (intptr_t) {value}; /* autobox from {value.mtype} to {mtype} */")
- end
- #self.add("{res} = BOX_{valtype.c_name}({value}); /* autobox from {value.mtype} to {mtype} */")
+ self.add("{res} = BOX_{valtype.c_name}({value}); /* autobox from {value.mtype} to {mtype} */")
return res
else
# Bad things will appen!
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
- var ret = mmethod.intro.msignature.return_mtype
+ 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
- ret = self.resolve_for(ret, arguments.first)
res = self.new_var(ret)
end
var s = new Buffer
var ss = new Buffer
- var first = true
- for a in arguments do
- if not first then
- s.append(", ")
- ss.append(", ")
+
+ 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 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
+ assert res != null
+ 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
+ assert res != null
+ 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
- first = false
+ self.add_abort("Reciever is null")
end
- s.append("{a.mtype.ctype}")
- ss.append("{a}")
+ self.add("\} else \{")
end
- var color = mmethod.color.as(not null)
+ 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[{color}]))({ss}) /* {mmethod} on {arguments.first.inspect}*/"
if res != null then
self.add("{res} = {call};")
self.add("{call};")
end
+ if maybenull then
+ self.add("\}")
+ end
+
return res
end
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)
return res
end
+ redef fun isset_attribute(a, recv)
+ do
+ 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; /* {a} on {recv.inspect}*/")
+ 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)
- ret = self.resolve_for(ret, recv)
- var res = self.new_var(ret)
- # TODO
- self.add("{res} = (val*) {recv}->attrs[{a.color.as(not null)}];")
- return res
+ 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} = {recv}->attrs[{self.compiler.as(SeparateCompiler).attr_colors[a]}]; /* {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 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
- # TODO
- self.add("{recv}->attrs[{a.color.as(not null)}] = {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[{self.compiler.as(SeparateCompiler).attr_colors[a]}]"
+ 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
+ var ftcolor = compiler.ft_colors[ntype]
+ buffer.append("[self->type->fts_table->fts[{ftcolor}]->livecolor]")
+ else if ntype isa MVirtualType then
+ var vtcolor = compiler.vt_colors[ntype.mproperty.as(MVirtualTypeProp)]
+ buffer.append("[self->type->vts_table->vts[{vtcolor}]->livecolor]")
+ 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.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
+ 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)
- # TODO
+
+ 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
+ var ftcolor = compiler.ft_colors[ntype]
+ self.add("{cltype} = {recv_boxed}->type->fts_table->fts[{ftcolor}]->color;")
+ self.add("{idtype} = {recv_boxed}->type->fts_table->fts[{ftcolor}]->id;")
+ self.add("{is_nullable} = {recv_boxed}->type->fts_table->fts[{ftcolor}]->is_nullable;")
+ else if ntype isa MGenericType and ntype.need_anchor then
+ var buff = new Buffer
+ retrieve_anchored_livetype(ntype, buff)
+ self.add("{cltype} = livetypes_{ntype.mclass.c_name}{buff.to_s}->color;")
+ self.add("{idtype} = livetypes_{ntype.mclass.c_name}{buff.to_s}->id;")
+ self.add("{is_nullable} = livetypes_{ntype.mclass.c_name}{buff.to_s}->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 = compiler.vt_colors[ntype.mproperty.as(MVirtualTypeProp)]
+ self.add("{cltype} = {recv_boxed}->type->vts_table->vts[{vtcolor}]->color;")
+ self.add("{idtype} = {recv_boxed}->type->vts_table->vts[{vtcolor}]->id;")
+ self.add("{is_nullable} = {recv_boxed}->type->vts_table->vts[{vtcolor}]->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 \{")
+ 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)
+ # 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(value)
+ do
+ var res = self.get_name("var_class_name")
+ self.add_decl("const char *{res};")
+ self.add("{res} = class_names[{value}->type->id];")
return res
end
redef fun equal_test(value1, value2)
do
var res = self.new_var(bool_type)
- # TODO
+ 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.add("{res} = ({value2} != NULL) && ({value2}->class == (struct 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.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 compiler = self.compiler.as(SeparateCompiler)
+ var nclass = self.get_class("NativeArray")
+ elttype = self.anchor(elttype)
+ var arraytype = self.get_class("Array").get_mtype([elttype])
+ var res = self.init_instance(arraytype)
+ self.add("\{ /* {res} = array_instance Array[{elttype}] */")
+ var nat = self.new_var(self.get_class("NativeArray").get_mtype([elttype]))
+ nat.is_exact = true
+ compiler.undead_types.add(nat.mtype.as(MClassType))
+ self.add("{nat} = NEW_{nclass.c_name}({array.length}, (struct type *) &type_{nat.mtype.c_name});")
+ 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
+ var length = self.int_instance(array.length)
+ self.send(self.get_property("with_native", arraytype), [res, nat, length])
+ self.check_init_instance(res, arraytype)
+ self.add("\}")
return res
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)
+ var color = compiler.ft_colors[ft]
+ self.ret(self.new_expr("NEW_{ret.mclass.c_name}({arguments[1]}, (struct type*) livetypes_array__NativeArray[self->type->fts_table->fts[{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
nitlanguage / nit.git / blobdiff