X-Git-Url: http://nitlanguage.org diff --git a/src/compiler/separate_compiler.nit b/src/compiler/separate_compiler.nit index 4c5fd25..f9d1444 100644 --- a/src/compiler/separate_compiler.nit +++ b/src/compiler/separate_compiler.nit @@ -252,11 +252,11 @@ class SeparateCompiler do # Collect all bas box class # FIXME: this is not completely fine with a separate compilation scheme - for classname in ["Int", "Bool", "Byte", "Char", "Float", "NativeString", + for classname in ["Int", "Bool", "Byte", "Char", "Float", "CString", "Pointer", "Int8", "Int16", "UInt16", "Int32", "UInt32"] do var classes = self.mainmodule.model.get_mclasses_by_name(classname) if classes == null then continue - assert classes.length == 1 else print classes.join(", ") + assert classes.length == 1 else print_error classes.join(", ") self.box_kinds[classes.first] = self.box_kinds.length + 1 end end @@ -269,7 +269,7 @@ class SeparateCompiler #if mclass.mclass_type.ctype == "val*" or mclass.mclass_type.is_subtype(self.mainmodule, mclass.mclass_type pointer_type) then if mclass.mclass_type.ctype_extern == "val*" then return 0 - else if mclass.kind == extern_kind and mclass.name != "NativeString" then + else if mclass.kind == extern_kind and mclass.name != "CString" then return self.box_kinds[self.mainmodule.pointer_type.mclass] else return self.box_kinds[mclass] @@ -344,7 +344,7 @@ class SeparateCompiler for m in mainmodule.in_importation.greaters do for cd in m.mclassdefs do var mclass = cd.mclass - # Collect methods ad attributes + # Collect methods and attributes for p in cd.intro_mproperties do if p isa MMethod then if rta == null then @@ -877,7 +877,8 @@ class SeparateCompiler self.provide_declaration("BOX_{c_name}", "val* BOX_{c_name}({mtype.ctype_extern});") v.add_decl("/* allocate {mtype} */") v.add_decl("val* BOX_{mtype.c_name}({mtype.ctype_extern} value) \{") - v.add("struct instance_{c_name}*res = nit_alloc(sizeof(struct instance_{c_name}));") + var alloc = v.nit_alloc("sizeof(struct instance_{c_name})", mclass.full_name) + v.add("struct instance_{c_name}*res = {alloc};") v.compiler.undead_types.add(mtype) v.require_declaration("type_{c_name}") v.add("res->type = &type_{c_name};") @@ -899,7 +900,8 @@ class SeparateCompiler else var res = v.new_named_var(mtype, "self") res.is_exact = true - v.add("{res} = nit_alloc(sizeof(struct instance_{mtype.c_name}));") + alloc = v.nit_alloc("sizeof(struct instance_{mtype.c_name})", mclass.full_name) + v.add("{res} = {alloc};") v.add("{res}->type = type;") hardening_live_type(v, "type") v.require_declaration("class_{c_name}") @@ -926,7 +928,8 @@ class SeparateCompiler var res = v.get_name("self") v.add_decl("struct instance_{c_name} *{res};") var mtype_elt = mtype.arguments.first - v.add("{res} = nit_alloc(sizeof(struct instance_{c_name}) + length*sizeof({mtype_elt.ctype}));") + var alloc = v.nit_alloc("sizeof(struct instance_{c_name}) + length*sizeof({mtype_elt.ctype})", mclass.full_name) + v.add("{res} = {alloc};") v.add("{res}->type = type;") hardening_live_type(v, "type") v.require_declaration("class_{c_name}") @@ -935,9 +938,9 @@ class SeparateCompiler v.add("return (val*){res};") v.add("\}") return - else if mtype.mclass.kind == extern_kind and mtype.mclass.name != "NativeString" then - # Is an extern class (other than Pointer and NativeString) - # Pointer is caught in a previous `if`, and NativeString is internal + else if mtype.mclass.kind == extern_kind and mtype.mclass.name != "CString" then + # Is an extern class (other than Pointer and CString) + # Pointer is caught in a previous `if`, and CString is internal var pointer_type = mainmodule.pointer_type @@ -949,7 +952,8 @@ class SeparateCompiler else var res = v.new_named_var(mtype, "self") res.is_exact = true - v.add("{res} = nit_alloc(sizeof(struct instance_{pointer_type.c_name}));") + var alloc = v.nit_alloc("sizeof(struct instance_{pointer_type.c_name})", mclass.full_name) + v.add("{res} = {alloc};") v.add("{res}->type = type;") hardening_live_type(v, "type") v.require_declaration("class_{c_name}") @@ -972,9 +976,15 @@ class SeparateCompiler res.is_exact = true var attrs = self.attr_tables.get_or_null(mclass) if attrs == null then - v.add("{res} = nit_alloc(sizeof(struct instance));") + var alloc = v.nit_alloc("sizeof(struct instance)", mclass.full_name) + v.add("{res} = {alloc};") else - v.add("{res} = nit_alloc(sizeof(struct instance) + {attrs.length}*sizeof(nitattribute_t));") + var alloc = v.nit_alloc("sizeof(struct instance) + {attrs.length}*sizeof(nitattribute_t)", mclass.full_name) + v.add("{res} = {alloc};") + end + if modelbuilder.toolcontext.opt_trace.value then + v.add("tracepoint(Nit_Compiler, Object_Instance,\"{mtype}\", (uintptr_t)self);") + v.add("GC_register_finalizer(self, object_destroy_callback, NULL, NULL, NULL);") end v.add("{res}->type = type;") hardening_live_type(v, "type") @@ -1174,8 +1184,9 @@ class SeparateCompilerVisitor args.first = self.autobox(args.first, m.mclassdef.mclass.mclass_type) end for i in [0..msignature.arity[ do - var t = msignature.mparameters[i].mtype - if i == msignature.vararg_rank then + var mp = msignature.mparameters[i] + var t = mp.mtype + if mp.is_vararg then t = args[i+1].mtype end args[i+1] = self.autobox(args[i+1], t) @@ -1189,8 +1200,9 @@ class SeparateCompilerVisitor args.first = self.unbox_extern(args.first, m.mclassdef.mclass.mclass_type) end for i in [0..msignature.arity[ do - var t = msignature.mparameters[i].mtype - if i == msignature.vararg_rank then + var mp = msignature.mparameters[i] + var t = mp.mtype + if mp.is_vararg then t = args[i+1].mtype end if m.is_extern then args[i+1] = self.unbox_extern(args[i+1], t) @@ -1234,7 +1246,7 @@ class SeparateCompilerVisitor return res end var valtype = value.mtype.as(MClassType) - if mtype isa MClassType and mtype.mclass.kind == extern_kind and mtype.mclass.name != "NativeString" then + if mtype isa MClassType and mtype.mclass.kind == extern_kind and mtype.mclass.name != "CString" then valtype = compiler.mainmodule.pointer_type end var res = self.new_var(mtype) @@ -1259,7 +1271,7 @@ class SeparateCompilerVisitor redef fun unbox_extern(value, mtype) do if mtype isa MClassType and mtype.mclass.kind == extern_kind and - mtype.mclass.name != "NativeString" then + mtype.mclass.name != "CString" then var pointer_type = compiler.mainmodule.pointer_type var res = self.new_var_extern(mtype) self.add "{res} = ((struct instance_{pointer_type.c_name}*){value})->value; /* unboxing {value.mtype} */" @@ -1272,7 +1284,7 @@ class SeparateCompilerVisitor redef fun box_extern(value, mtype) do if mtype isa MClassType and mtype.mclass.kind == extern_kind and - mtype.mclass.name != "NativeString" then + mtype.mclass.name != "CString" then var valtype = compiler.mainmodule.pointer_type var res = self.new_var(mtype) compiler.undead_types.add(mtype) @@ -1397,8 +1409,7 @@ class SeparateCompilerVisitor var res: nullable RuntimeVariable = null var recv = arguments.first var consider_null = not self.compiler.modelbuilder.toolcontext.opt_no_check_null.value or mmethod.name == "==" or mmethod.name == "!=" - var maybenull = (recv.mcasttype isa MNullableType or recv.mcasttype isa MNullType) and consider_null - if maybenull then + if maybe_null(recv) and consider_null then self.add("if ({recv} == NULL) \{") if mmethod.name == "==" or mmethod.name == "is_same_instance" then res = self.new_var(bool_type) @@ -1881,7 +1892,7 @@ class SeparateCompilerVisitor if not value.mtype.is_c_primitive then self.add "{res} = {value} == NULL ? \"null\" : {type_info(value)}->name;" else if value.mtype isa MClassType and value.mtype.as(MClassType).mclass.kind == extern_kind and - value.mtype.as(MClassType).name != "NativeString" then + value.mtype.as(MClassType).name != "CString" then self.add "{res} = \"{value.mtype.as(MClassType).mclass}\";" else self.require_declaration("type_{value.mtype.c_name}") @@ -2054,12 +2065,6 @@ class SeparateCompilerVisitor return k == interface_kind or t.is_c_primitive 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 = mmodule.native_array_class @@ -2078,7 +2083,7 @@ class SeparateCompilerVisitor return res end - redef fun native_array_instance(elttype: MType, length: RuntimeVariable): RuntimeVariable + redef fun native_array_instance(elttype, length) do var mtype = mmodule.native_array_type(elttype) self.require_declaration("NEW_{mtype.mclass.c_name}") @@ -2091,11 +2096,11 @@ class SeparateCompilerVisitor var recv = self.frame.arguments.first var recv_type_info = self.type_info(recv) self.require_declaration(mtype.const_color) - return self.new_expr("NEW_{mtype.mclass.c_name}({length}, {recv_type_info}->resolution_table->types[{mtype.const_color}])", mtype) + return self.new_expr("NEW_{mtype.mclass.c_name}((int){length}, {recv_type_info}->resolution_table->types[{mtype.const_color}])", mtype) end compiler.undead_types.add(mtype) self.require_declaration("type_{mtype.c_name}") - return self.new_expr("NEW_{mtype.mclass.c_name}({length}, &type_{mtype.c_name})", mtype) + return self.new_expr("NEW_{mtype.mclass.c_name}((int){length}, &type_{mtype.c_name})", mtype) end redef fun native_array_def(pname, ret_type, arguments) @@ -2108,18 +2113,24 @@ class SeparateCompilerVisitor var res = self.new_expr("{recv}[{arguments[1]}]", compiler.mainmodule.object_type) res.mcasttype = ret_type.as(not null) self.ret(res) - return + return true else if pname == "[]=" then self.add("{recv}[{arguments[1]}]={arguments[2]};") - return + return true else if pname == "length" then self.ret(self.new_expr("((struct instance_{nclass.c_name}*){arguments[0]})->length", ret_type.as(not null))) - return + return true else if pname == "copy_to" then var recv1 = "((struct instance_{nclass.c_name}*){arguments[1]})->values" self.add("memmove({recv1}, {recv}, {arguments[2]}*sizeof({elttype.ctype}));") - return + return true + else if pname == "memmove" then + # fun memmove(start: Int, length: Int, dest: NativeArray[E], dest_start: Int) is intern do + var recv1 = "((struct instance_{nclass.c_name}*){arguments[3]})->values" + self.add("memmove({recv1}+{arguments[4]}, {recv}+{arguments[1]}, {arguments[2]}*sizeof({elttype.ctype}));") + return true end + return false end redef fun native_array_get(nat, i) @@ -2186,10 +2197,7 @@ redef class MMethodDef self.virtual_runtime_function_cache = res return res end - - res = new SeparateRuntimeFunction(self, recv, msignature, "VIRTUAL_{c_name}") - self.virtual_runtime_function_cache = res - res.is_thunk = true + res = new SeparateThunkFunction(self, recv, msignature, "VIRTUAL_{c_name}", mclassdef.bound_mtype) end return res end @@ -2226,11 +2234,23 @@ class SeparateRuntimeFunction # The name on the compiled method redef var build_c_name: String - # Statically call the original body instead - var is_thunk = false - redef fun to_s do return self.mmethoddef.to_s + redef fun msignature + do + return called_signature + end + + redef fun recv_mtype + do + return called_recv + end + + redef fun return_mtype + do + return called_signature.return_mtype + end + # The C return type (something or `void`) var c_ret: String is lazy do var ret = called_signature.return_mtype @@ -2246,8 +2266,9 @@ class SeparateRuntimeFunction var sig = new FlatBuffer sig.append("({called_recv.ctype} self") for i in [0..called_signature.arity[ do - var mtype = called_signature.mparameters[i].mtype - if i == called_signature.vararg_rank then + var mp = called_signature.mparameters[i] + var mtype = mp.mtype + if mp.is_vararg then mtype = mmethoddef.mclassdef.mmodule.array_type(mtype) end sig.append(", {mtype.ctype} p{i}") @@ -2259,68 +2280,33 @@ class SeparateRuntimeFunction # The C type for the function pointer. var c_funptrtype: String is lazy do return "{c_ret}(*){c_sig}" - redef fun compile_to_c(compiler) - do - var mmethoddef = self.mmethoddef - - var sig = "{c_ret} {c_name}{c_sig}" - compiler.provide_declaration(self.c_name, "{sig};") - - var rta = compiler.as(SeparateCompiler).runtime_type_analysis - - var recv = self.mmethoddef.mclassdef.bound_mtype - var v = compiler.new_visitor - var selfvar = new RuntimeVariable("self", called_recv, recv) - var arguments = new Array[RuntimeVariable] - var frame = new StaticFrame(v, mmethoddef, recv, arguments) - v.frame = frame - - var msignature = called_signature - var ret = called_signature.return_mtype + redef fun declare_signature(v, sig) + do + v.compiler.provide_declaration(c_name, "{sig};") + end - var comment = new FlatBuffer - comment.append("({selfvar}: {selfvar.mtype}") - arguments.add(selfvar) - for i in [0..msignature.arity[ do - var mtype = msignature.mparameters[i].mtype - if i == msignature.vararg_rank then - mtype = v.mmodule.array_type(mtype) - end - comment.append(", {mtype}") - var argvar = new RuntimeVariable("p{i}", mtype, mtype) - arguments.add(argvar) - end - comment.append(")") - if ret != null then - comment.append(": {ret}") - end + redef fun body_to_c(v) + do + var rta = v.compiler.as(SeparateCompiler).runtime_type_analysis + if rta != null and not rta.live_mmodules.has(mmethoddef.mclassdef.mmodule) then + v.add_abort("FATAL: Dead method executed.") + else + super + end + end - 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 is_thunk then - var subret = v.call(mmethoddef, recv, arguments) - if ret != null then - assert subret != null - v.assign(frame.returnvar.as(not null), subret) - end - else if rta != null and not rta.live_mmodules.has(mmethoddef.mclassdef.mmodule) then - v.add_abort("FATAL: Dead method executed.") - else - mmethoddef.compile_inside_to_c(v, arguments) - end + redef fun end_compile_to_c(v) + do + var compiler = v.compiler + compiler.names[self.c_name] = "{mmethoddef.full_name} ({mmethoddef.location.file.filename}:{mmethoddef.location.line_start})" + end - v.add("{frame.returnlabel.as(not null)}:;") - if ret != null then - v.add("return {frame.returnvar.as(not null)};") - end - v.add("\}") - compiler.names[self.c_name] = "{mmethoddef.full_name} ({mmethoddef.location.file.filename}:{mmethoddef.location.line_start})" - end + redef fun build_frame(v, arguments) + do + var recv = mmethoddef.mclassdef.bound_mtype + return new StaticFrame(v, mmethoddef, recv, arguments) + end # Compile the trampolines used to implement late-binding. # @@ -2369,6 +2355,12 @@ class SeparateRuntimeFunction end end +class SeparateThunkFunction + super ThunkFunction + super SeparateRuntimeFunction + redef var target_recv +end + redef class MType # Are values of `self` tagged? # If false, it means that the type is not primitive, or is boxed.