self.toolcontext.info("*** COMPILING TO C ***", 1)
var compiler = new SeparateErasureCompiler(mainmodule, runtime_type_analysis, self)
+ compiler.compile_header
# compile class structures
+ compiler.new_file
for m in mainmodule.in_importation.greaters do
for mclass in m.intro_mclasses do
compiler.compile_class_to_c(mclass)
end
# The main function of the C
+ compiler.new_file
compiler.compile_main_function
# compile methods
for m in mainmodule.in_importation.greaters do
+ compiler.new_file
compiler.compile_module_to_c(m)
end
+ compiler.display_stats
+
write_and_make(compiler)
end
end
self.class_colors = class_coloring.compute_masks(mclasses, class_ids)
self.class_tables = class_coloring.hash_type_tables(mclasses, class_ids, class_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("\}")
+ self.header.add_decl("#define HASH(mask, id) ((mask)%(id))")
else if modelbuilder.toolcontext.opt_phand_typing.value then
# set type unique id
for mclass in mclasses do
self.class_colors = class_coloring.compute_masks(mclasses, class_ids)
self.class_tables = class_coloring.hash_type_tables(mclasses, class_ids, class_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("\}")
+ self.header.add_decl("#define HASH(mask, id) ((mask)&(id))")
else
var class_coloring
if modelbuilder.toolcontext.opt_bm_typing.value then
self.class_colors = class_coloring.colorize(modelbuilder.model.mclasses)
self.class_tables = class_coloring.build_type_tables(modelbuilder.model.mclasses, class_colors)
end
-
- # for the class_name and output_class_name methods
- self.compile_class_names
end
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 id; int box_kind; int color; struct vts_table *vts_table; struct type_table *type_table; nitmethod_t vft[1]; \}; /* general C type representing a Nit class. */")
+ self.compile_header_attribute_structs
+ self.header.add_decl("struct class \{ int id; const char *name; int box_kind; int color; struct vts_table *vts_table; struct type_table *type_table; nitmethod_t vft[1]; \}; /* general C type representing a Nit class. */")
self.header.add_decl("struct type_table \{ int size; int table[1]; \}; /* colorized type table. */")
self.header.add_decl("struct vts_entry \{ short int is_nullable; struct class *class; \}; /* link (nullable or not) between the vts and is bound. */")
self.header.add_decl("struct vts_table \{ struct vts_entry vts[1]; \}; /* vts list of a C type representation. */")
end
- self.header.add_decl("typedef struct \{ struct class *class; nitattribute_t attrs[1]; \} val; /* general C type representing a Nit instance. */")
- self.header.add_decl("extern const char const * class_names[];")
- end
-
- redef fun compile_class_names do
- # Build type names table
- var type_array = new Array[nullable MClass]
- for t, id in class_ids 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
- v.add("const char const * class_names[] = \{")
- for t in type_array do
- if t == null then
- v.add("NULL, /* empty */")
- else
- v.add("\"{t}\",")
- end
- end
- v.add("\};")
+ self.header.add_decl("typedef struct val \{ struct class *class; nitattribute_t attrs[1]; \} val; /* general C type representing a Nit instance. */")
end
redef fun compile_class_to_c(mclass: MClass)
self.header.add_decl("extern const struct class_{c_name} class_{c_name};")
self.header.add_decl("struct class_{c_name} \{")
self.header.add_decl("int id;")
+ self.header.add_decl("const char *name;")
self.header.add_decl("int box_kind;")
self.header.add_decl("int color;")
self.header.add_decl("const struct vts_table *vts_table;")
# Build class vft
v.add_decl("const struct class_{c_name} class_{c_name} = \{")
v.add_decl("{self.class_ids[mclass]},")
+ v.add_decl("\"{mclass.name}\", /* class_name_string */")
v.add_decl("{self.box_kind_of(mclass)}, /* box_kind */")
v.add_decl("{self.class_colors[mclass]},")
- v.add_decl("(const struct vts_table*) &vts_table_{c_name},")
+ if build_class_vts_table(mclass) then
+ v.add_decl("(const struct vts_table*) &vts_table_{c_name},")
+ else
+ v.add_decl("NULL,")
+ end
v.add_decl("(struct type_table*) &type_table_{c_name},")
v.add_decl("\{")
for i in [0 .. vft.length[ do
v.add_decl("\}")
v.add_decl("\};")
- build_class_vts_table(mclass, v.as(SeparateErasureCompilerVisitor))
-
# Build class type table
self.header.add_decl("extern const struct type_table_{c_name} type_table_{c_name};")
self.header.add_decl("struct type_table_{c_name} \{")
generate_check_init_instance(mtype)
end
- private fun build_class_vts_table(mclass: MClass, v: SeparateCompilerVisitor) do
+ private fun build_class_vts_table(mclass: MClass): Bool do
+ if self.vt_tables[mclass].is_empty then return false
+
self.header.add_decl("extern const struct vts_table_{mclass.c_name} vts_table_{mclass.c_name};")
self.header.add_decl("struct vts_table_{mclass.c_name} \{")
if modelbuilder.toolcontext.opt_phmod_typing.value or modelbuilder.toolcontext.opt_phand_typing.value then
self.header.add_decl("struct vts_entry vts[{self.vt_tables[mclass].length}];")
self.header.add_decl("\};")
+ var v = new_visitor
v.add_decl("const struct vts_table_{mclass.c_name} vts_table_{mclass.c_name} = \{")
if modelbuilder.toolcontext.opt_phmod_typing.value or modelbuilder.toolcontext.opt_phand_typing.value then
v.add_decl("{vt_masks[mclass]},")
end
v.add_decl("\},")
v.add_decl("\};")
+ return true
end
private fun retrieve_vt_bound(anchor: MClassType, mtype: nullable MType): MType do
var mtype = callsite.msignature.return_mtype
assert mtype != null
self.add("/* Erasure cast for return {res} isa {mtype} */")
- var cond = self.type_test(res, mtype)
+ var cond = self.type_test(res, mtype, "erasure")
self.add("if (!{cond}) \{")
#var x = self.class_name_string(res)
#var y = self.class_name_string(arguments.first)
return self.new_expr("NEW_{mtype.mclass.c_name}()", mtype)
end
- redef fun type_test(value, mtype)
+ redef fun type_test(value, mtype, tag)
do
self.add("/* type test for {value.inspect} isa {mtype} */")
if value.mcasttype.is_subtype(self.frame.mpropdef.mclassdef.mmodule, self.frame.mpropdef.mclassdef.bound_mtype, mtype) then
self.add("{res} = 1; /* easy {value.inspect} isa {mtype}*/")
+ if compiler.modelbuilder.toolcontext.opt_typing_test_metrics.value then
+ self.compiler.count_type_test_skipped[tag] += 1
+ self.add("count_type_test_skipped_{tag}++;")
+ end
return res
end
if maybe_null == 0 then
self.add("{is_nullable} = 0;")
end
+ if compiler.modelbuilder.toolcontext.opt_typing_test_metrics.value then
+ self.compiler.count_type_test_resolved[tag] += 1
+ self.add("count_type_test_resolved_{tag}++;")
+ end
else if mtype isa MVirtualType then
var recv = self.frame.arguments.first
- var recv_boxed = self.autobox(recv, self.object_type)
+ var recv_ptr
+ if recv.mtype.ctype == "val*" then
+ recv_ptr = "{recv}->class->"
+ else
+ var mclass = recv.mtype.as(MClassType).mclass
+ recv_ptr = "class_{mclass.c_name}."
+ end
var entry = self.get_name("entry")
self.add("struct vts_entry {entry};")
if compiler.modelbuilder.toolcontext.opt_phmod_typing.value or compiler.modelbuilder.toolcontext.opt_phand_typing.value then
- self.add("{entry} = {recv_boxed}->class->vts_table->vts[HASH({recv_boxed}->class->vts_table->mask, {mtype.mproperty.const_color})];")
+ self.add("{entry} = {recv_ptr}vts_table->vts[HASH({recv_ptr}vts_table->mask, {mtype.mproperty.const_color})];")
else
- self.add("{entry} = {recv_boxed}->class->vts_table->vts[{mtype.mproperty.const_color}];")
+ self.add("{entry} = {recv_ptr}vts_table->vts[{mtype.mproperty.const_color}];")
end
self.add("{cltype} = {entry}.class->color;")
self.add("{idtype} = {entry}.class->id;")
if maybe_null == 0 then
self.add("{is_nullable} = {entry}.is_nullable;")
end
+ if compiler.modelbuilder.toolcontext.opt_typing_test_metrics.value then
+ self.compiler.count_type_test_unresolved[tag] += 1
+ self.add("count_type_test_unresolved_{tag}++;")
+ end
else
self.debug("type_test({value.inspect}, {mtype})")
abort
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}->class->id];")
+ self.add_decl("const char* {res};")
+ if value.mtype.ctype == "val*" then
+ self.add "{res} = {value} == NULL ? \"null\" : {value}->class->name;"
+ else
+ self.add "{res} = class_{value.mtype.c_name}.name;"
+ end
return res
end
nitlanguage / nit.git / blobdiff