X-Git-Url: http://nitlanguage.org diff --git a/src/naive_interpreter.nit b/src/naive_interpreter.nit index b5139f1..9a25fa9 100644 --- a/src/naive_interpreter.nit +++ b/src/naive_interpreter.nit @@ -21,6 +21,7 @@ import literal import typing import auto_super_init import frontend +import common_ffi redef class ToolContext # --discover-call-trace @@ -248,7 +249,7 @@ private class NaiveInterpreter # Return a new native string initialized with `txt` fun native_string_instance(txt: String): Instance do - var val = new Buffer.from(txt) + var val = new FlatBuffer.from(txt) val.add('\0') var ic = self.mainmodule.get_primitive_class("NativeString") return new PrimitiveInstance[Buffer](ic.mclass_type, val) @@ -263,7 +264,7 @@ private class NaiveInterpreter # Return a stack stace. One line per function fun stack_trace: String do - var b = new Buffer + var b = new FlatBuffer b.append(",---- Stack trace -- - - -\n") for f in frames do b.append("| {f.mpropdef} ({f.current_node.location})\n") @@ -346,9 +347,7 @@ private class NaiveInterpreter self.discover_call_trace.add mpropdef self.debug("Discovered {mpropdef}") end - if args.length < mpropdef.msignature.arity + 1 or args.length > mpropdef.msignature.arity + 1 then - fatal("NOT YET IMPLEMENTED: Invalid arity for {mpropdef}. {args.length} arguments given.") - end + assert args.length == mpropdef.msignature.arity + 1 else debug("Invalid arity for {mpropdef}. {args.length} arguments given.") # Look for the AST node that implements the property var mproperty = mpropdef.mproperty @@ -397,12 +396,19 @@ private class NaiveInterpreter else if mproperty.name == "!=" then return self.bool_instance(args[0] != args[1]) end - #fatal("Reciever is null. {mproperty}. {args.join(" ")} {self.frame.current_node.class_name}") - fatal("Reciever is null") + #fatal("Receiver is null. {mproperty}. {args.join(" ")} {self.frame.current_node.class_name}") + fatal("Receiver is null") end return null end + # Execute a full `callsite` for given `args` + # Use this method, instead of `send` to execute and control the aditionnal behavior of the call-sites + fun callsite(callsite: nullable CallSite, arguments: Array[Instance]): nullable Instance + do + return send(callsite.mproperty, arguments) + end + # Execute `mproperty` for a `args` (where `args[0]` is the receiver). # Return a falue if `mproperty` is a function, or null if it is a procedure. # The call is polimotphic. There is a message-seding/late-bindng according to te receiver (args[0]). @@ -601,12 +607,12 @@ redef class AConcreteMethPropdef return null end - private fun call_commons(v: NaiveInterpreter, mpropdef: MMethodDef, args: Array[Instance], f: Frame) + private fun call_commons(v: NaiveInterpreter, mpropdef: MMethodDef, arguments: Array[Instance], f: Frame) do for i in [0..mpropdef.msignature.arity[ do var variable = self.n_signature.n_params[i].variable assert variable != null - f.map[variable] = args[i+1] + f.map[variable] = arguments[i+1] end v.frames.unshift(f) @@ -614,13 +620,13 @@ redef class AConcreteMethPropdef # Call the implicit super-init var auto_super_inits = self.auto_super_inits if auto_super_inits != null then - var selfarg = [args.first] + var args = [arguments.first] for auto_super_init in auto_super_inits do - if auto_super_init.intro.msignature.arity == 0 then - v.send(auto_super_init, selfarg) - else - v.send(auto_super_init, args) + args.clear + for i in [0..auto_super_init.msignature.arity+1[ do + args.add(arguments[i]) end + v.callsite(auto_super_init, args) end end @@ -710,6 +716,10 @@ redef class AInternMethPropdef return v.char_instance(recv.succ) else if pname == "prec" then return v.char_instance(recv.prec) + else if pname == "+" then + return v.char_instance(recv + args[1].to_i) + else if pname == "-" then + return v.char_instance(recv - args[1].to_i) else if pname == "<" then return v.bool_instance(recv < args[1].val.as(Char)) else if pname == ">" then @@ -761,7 +771,7 @@ redef class AInternMethPropdef return null else if pname == "copy_to" then # sig= copy_to(dest: NativeString, length: Int, from: Int, to: Int) - var destval = args[1].val.as(Buffer) + var destval = args[1].val.as(FlatBuffer) var lenval = args[2].to_i var fromval = args[3].to_i var toval = args[4].to_i @@ -777,7 +787,7 @@ redef class AInternMethPropdef if toval + lenval >= destval.length then debug("Illegal access on {destval} for element {toval}+{lenval}/{destval.length}") end - recvval.copy(fromval, lenval, destval, toval) + recvval.as(FlatBuffer).copy(fromval, lenval, destval, toval) return null else if pname == "atoi" then return v.int_instance(recvval.to_i) @@ -859,17 +869,19 @@ redef class AExternMethPropdef return v.int_instance(res) else if pname == "native_int_to_s" then return v.native_string_instance(recvval.to_s) + else if pname == "strerror_ext" then + return v.native_string_instance(recvval.strerror) end else if cname == "NativeFile" then var recvval = args.first.val if pname == "io_write" then var a1 = args[1].val.as(Buffer) - recvval.as(OStream).write(a1.substring(0, args[2].to_i)) + recvval.as(OStream).write(a1.substring(0, args[2].to_i).to_s) return args[2] else if pname == "io_read" then var str = recvval.as(IStream).read(args[2].to_i) var a1 = args[1].val.as(Buffer) - new Buffer.from(str).copy(0, str.length, a1, 0) + new FlatBuffer.from(str).copy(0, str.length, a1.as(FlatBuffer), 0) return v.int_instance(str.length) else if pname == "io_close" then recvval.as(IOS).close @@ -896,10 +908,6 @@ redef class AExternMethPropdef else if pname == "atof" then return v.float_instance(recvval.to_f) end - else if cname == "Int" then - if pname == "rand" then - return v.int_instance(args[0].to_i.rand) - end else if cname == "Float" then if pname == "cos" then return v.float_instance(args[0].to_f.cos) @@ -923,6 +931,14 @@ redef class AExternMethPropdef return v.float_instance(args[0].to_f.pow(args[1].to_f)) else if pname == "rand" then return v.float_instance(args[0].to_f.rand) + else if pname == "abs" then + return v.float_instance(args[0].to_f.abs) + else if pname == "hypot_with" then + return v.float_instance(args[0].to_f.hypot_with(args[1].to_f)) + else if pname == "is_nan" then + return v.bool_instance(args[0].to_f.is_nan) + else if pname == "is_inf_extern" then + return v.bool_instance(args[0].to_f.is_inf != 0) end else if pname == "native_argc" then return v.int_instance(v.arguments.length) @@ -948,6 +964,8 @@ redef class AExternMethPropdef return v.int_instance(parser_action(args[1].to_i, args[2].to_i)) else if pname == "file_getcwd" then return v.native_string_instance(getcwd) + else if pname == "errno" then + return v.int_instance(sys.errno) end fatal(v, "NOT YET IMPLEMENTED extern {mpropdef}") abort @@ -1103,7 +1121,7 @@ redef class AVarReassignExpr var vari = v.frame.map[self.variable.as(not null)] var value = v.expr(self.n_value) if value == null then return - var res = v.send(reassign_callsite.mproperty, [vari, value]) + var res = v.callsite(reassign_callsite, [vari, value]) assert res != null v.frame.map[self.variable.as(not null)] = res end @@ -1240,20 +1258,22 @@ redef class AForExpr do var col = v.expr(self.n_expr) if col == null then return + if col.mtype isa MNullType then fatal(v, "Receiver is null") + #self.debug("col {col}") - var iter = v.send(v.force_get_primitive_method("iterator", col.mtype), [col]).as(not null) + var iter = v.callsite(method_iterator, [col]).as(not null) #self.debug("iter {iter}") loop - var isok = v.send(v.force_get_primitive_method("is_ok", iter.mtype), [iter]).as(not null) + var isok = v.callsite(method_is_ok, [iter]).as(not null) if not isok.is_true then return if self.variables.length == 1 then - var item = v.send(v.force_get_primitive_method("item", iter.mtype), [iter]).as(not null) + var item = v.callsite(method_item, [iter]).as(not null) #self.debug("item {item}") v.frame.map[self.variables.first] = item else if self.variables.length == 2 then - var key = v.send(v.force_get_primitive_method("key", iter.mtype), [iter]).as(not null) + var key = v.callsite(method_key, [iter]).as(not null) v.frame.map[self.variables[0]] = key - var item = v.send(v.force_get_primitive_method("item", iter.mtype), [iter]).as(not null) + var item = v.callsite(method_item, [iter]).as(not null) v.frame.map[self.variables[1]] = item else abort @@ -1262,7 +1282,7 @@ redef class AForExpr if v.is_break(self.escapemark) then return v.is_continue(self.escapemark) # Clear the break if v.is_escaping then return - v.send(v.force_get_primitive_method("next", iter.mtype), [iter]) + v.callsite(method_next, [iter]) end end end @@ -1407,7 +1427,7 @@ redef class ACrangeExpr var mtype = v.unanchor_type(self.mtype.as(not null)) var res = new MutableInstance(mtype) v.init_instance(res) - v.send(v.force_get_primitive_method("init", mtype), [res, e1, e2]) + v.callsite(init_callsite, [res, e1, e2]) return res end end @@ -1422,7 +1442,7 @@ redef class AOrangeExpr var mtype = v.unanchor_type(self.mtype.as(not null)) var res = new MutableInstance(mtype) v.init_instance(res) - v.send(v.force_get_primitive_method("without_last", mtype), [res, e1, e2]) + v.callsite(init_callsite, [res, e1, e2]) return res end end @@ -1518,7 +1538,7 @@ redef class ASendExpr args.add(i) end - var res = v.send(callsite.mproperty, args) + var res = v.callsite(callsite, args) return res end end @@ -1537,15 +1557,15 @@ redef class ASendReassignFormExpr var value = v.expr(self.n_value) if value == null then return - var read = v.send(callsite.mproperty, args) + var read = v.callsite(callsite, args) assert read != null - var write = v.send(reassign_callsite.mproperty, [read, value]) + var write = v.callsite(reassign_callsite, [read, value]) assert write != null args.add(write) - v.send(write_callsite.mproperty, args) + v.callsite(write_callsite, args) end end @@ -1559,24 +1579,27 @@ redef class ASuperExpr if i == null then return null args.add(i) end - if args.length == 1 then - args = v.frame.arguments - end var callsite = self.callsite if callsite != null then - if callsite.mproperty.intro.msignature.arity == 0 then - args = [recv] + # Add additionnals arguments for the super init call + if args.length == 1 then + for i in [0..callsite.mproperty.intro.msignature.arity[ do + args.add(v.frame.arguments[i+1]) + end end # Super init call - var res = v.send(callsite.mproperty, args) + var res = v.callsite(callsite, args) return res end + if args.length == 1 then + args = v.frame.arguments + end + # stantard call-next-method - var mpropdef = v.frame.mpropdef + var mpropdef = self.mpropdef mpropdef = mpropdef.lookup_next_definition(v.mainmodule, recv.mtype) - assert mpropdef isa MMethodDef var res = v.call_without_varargs(mpropdef, args) return res end @@ -1594,7 +1617,7 @@ redef class ANewExpr if i == null then return null args.add(i) end - var res2 = v.send(callsite.mproperty, args) + var res2 = v.callsite(callsite, args) if res2 != null then #self.debug("got {res2} from {mproperty}. drop {recv}") return res2 @@ -1608,7 +1631,7 @@ redef class AAttrExpr do var recv = v.expr(self.n_expr) if recv == null then return null - if recv.mtype isa MNullType then fatal(v, "Reciever is null") + if recv.mtype isa MNullType then fatal(v, "Receiver is null") var mproperty = self.mproperty.as(not null) return v.read_attribute(mproperty, recv) end @@ -1619,7 +1642,7 @@ redef class AAttrAssignExpr do var recv = v.expr(self.n_expr) if recv == null then return - if recv.mtype isa MNullType then fatal(v, "Reciever is null") + if recv.mtype isa MNullType then fatal(v, "Receiver is null") var i = v.expr(self.n_value) if i == null then return var mproperty = self.mproperty.as(not null) @@ -1633,12 +1656,12 @@ redef class AAttrReassignExpr do var recv = v.expr(self.n_expr) if recv == null then return - if recv.mtype isa MNullType then fatal(v, "Reciever is null") + if recv.mtype isa MNullType then fatal(v, "Receiver is null") var value = v.expr(self.n_value) if value == null then return var mproperty = self.mproperty.as(not null) var attr = v.read_attribute(mproperty, recv) - var res = v.send(reassign_callsite.mproperty, [attr, value]) + var res = v.callsite(reassign_callsite, [attr, value]) assert res != null assert recv isa MutableInstance recv.attributes[mproperty] = res @@ -1650,7 +1673,7 @@ redef class AIssetAttrExpr do var recv = v.expr(self.n_expr) if recv == null then return null - if recv.mtype isa MNullType then fatal(v, "Reciever is null") + if recv.mtype isa MNullType then fatal(v, "Receiver is null") var mproperty = self.mproperty.as(not null) assert recv isa MutableInstance return v.bool_instance(recv.attributes.has_key(mproperty))