private import parser::tables
import mixin
import primitive_types
+private import model::serialize_model
redef class ToolContext
# --discover-call-trace
- var opt_discover_call_trace = new OptionBool("Trace calls of the first invocation of a method", "--discover-call-trace")
+ var opt_discover_call_trace = new OptionBool("Trace calls of the first invocation of methods", "--discover-call-trace")
redef init
do
var modelbuilder: ModelBuilder
# The main module of the program (used to lookup method)
- var mainmodule: MModule
+ var mainmodule: MModule is writable
# The command line arguments of the interpreted program
# arguments.first is the program name
return self.modelbuilder.force_get_primitive_method(current_node, name, recv.mclass, self.mainmodule)
end
- # Is a return executed?
- # Set this mark to skip the evaluation until the end of the specified method frame
- var returnmark: nullable FRAME = null
-
- # Is a break or a continue executed?
+ # Is a return, a break or a continue executed?
# Set this mark to skip the evaluation until a labeled statement catch it with `is_escape`
var escapemark: nullable EscapeMark = null
+ # The count of `catch` blocs that have been encountered and can catch an abort
+ var catch_count = 0
+
# Is a return or a break or a continue executed?
# Use this function to know if you must skip the evaluation of statements
- fun is_escaping: Bool do return returnmark != null or escapemark != null
+ fun is_escaping: Bool do return escapemark != null
# The value associated with the current return/break/continue, if any.
# Set the value when you set a escapemark.
n.debug("inconsitance: no value and not escaping.")
end
var implicit_cast_to = n.implicit_cast_to
- if implicit_cast_to != null then
+ if i != null and implicit_cast_to != null then
var mtype = self.unanchor_type(implicit_cast_to)
if not self.is_subtype(i.mtype, mtype) then n.fatal(self, "Cast failed. Expected `{implicit_cast_to}`, got `{i.mtype}`")
end
return instance
end
+ # Return the int8 instance associated with `val`.
+ fun int8_instance(val: Int8): Instance
+ do
+ var t = mainmodule.int8_type
+ var instance = new PrimitiveInstance[Int8](t, val)
+ init_instance_primitive(instance)
+ return instance
+ end
+
+ # Return the int16 instance associated with `val`.
+ fun int16_instance(val: Int16): Instance
+ do
+ var t = mainmodule.int16_type
+ var instance = new PrimitiveInstance[Int16](t, val)
+ init_instance_primitive(instance)
+ return instance
+ end
+
+ # Return the uint16 instance associated with `val`.
+ fun uint16_instance(val: UInt16): Instance
+ do
+ var t = mainmodule.uint16_type
+ var instance = new PrimitiveInstance[UInt16](t, val)
+ init_instance_primitive(instance)
+ return instance
+ end
+
+ # Return the int32 instance associated with `val`.
+ fun int32_instance(val: Int32): Instance
+ do
+ var t = mainmodule.int32_type
+ var instance = new PrimitiveInstance[Int32](t, val)
+ init_instance_primitive(instance)
+ return instance
+ end
+
+ # Return the uint32 instance associated with `val`.
+ fun uint32_instance(val: UInt32): Instance
+ do
+ var t = mainmodule.uint32_type
+ var instance = new PrimitiveInstance[UInt32](t, val)
+ init_instance_primitive(instance)
+ return instance
+ end
+
# Return the char instance associated with `val`.
fun char_instance(val: Char): Instance
do
end
end
- # Return a new native string initialized with `txt`
- fun native_string_instance(txt: String): Instance
+ # Return a new C string initialized with `txt`
+ fun c_string_instance(txt: String): Instance
do
- var val = new FlatBuffer.from(txt)
- val.add('\0')
- var t = mainmodule.native_string_type
- var instance = new PrimitiveInstance[Buffer](t, val)
+ var instance = c_string_instance_len(txt.byte_length+1)
+ var val = instance.val
+ val[txt.byte_length] = 0u8
+ txt.to_cstring.copy_to(val, txt.byte_length, 0, 0)
+
+ return instance
+ end
+
+ # Return a new C string initialized with `txt`
+ fun c_string_instance_from_ns(txt: CString, len: Int): Instance
+ do
+ var instance = c_string_instance_len(len)
+ var val = instance.val
+ txt.copy_to(val, len, 0, 0)
+
+ return instance
+ end
+
+ # Return a new C string initialized of `length`
+ fun c_string_instance_len(length: Int): PrimitiveInstance[CString]
+ do
+ var val = new CString(length)
+
+ var t = mainmodule.c_string_type
+ var instance = new PrimitiveInstance[CString](t, val)
init_instance_primitive(instance)
return instance
end
# Return a new String instance for `txt`
fun string_instance(txt: String): Instance
do
- var nat = native_string_instance(txt)
- var res = self.send(self.force_get_primitive_method("to_s_with_length", nat.mtype), [nat, self.int_instance(txt.length)])
+ var nat = c_string_instance(txt)
+ var res = self.send(self.force_get_primitive_method("to_s_unsafe", nat.mtype), [nat, self.int_instance(txt.byte_length), self.int_instance(txt.length), self.false_instance, self.false_instance])
assert res != null
return res
end
res.add(null_instance)
continue
end
- if param.is_vararg and map.vararg_decl > 0 then
- var vararg = exprs.sub(j, map.vararg_decl)
+ if param.is_vararg and args[i].vararg_decl > 0 then
+ var vararg = exprs.sub(j, args[i].vararg_decl)
var elttype = param.mtype.anchor_to(self.mainmodule, recv.mtype.as(MClassType))
var arg = self.array_instance(vararg, elttype)
res.add(arg)
# Execute type checks of covariant parameters
fun parameter_check(node: ANode, mpropdef: MMethodDef, args: Array[Instance])
do
- var msignature = mpropdef.msignature
+ var msignature = mpropdef.msignature.as(not null)
for i in [0..msignature.arity[ do
+ var mp = msignature.mparameters[i]
+
# skip test for vararg since the array is instantiated with the correct polymorphic type
- if msignature.vararg_rank == i then continue
+ if mp.is_vararg then continue
# skip if the cast is not required
var origmtype = mpropdef.mproperty.intro.msignature.mparameters[i].mtype
#print "{mpropdef}: {mpropdef.mproperty.intro.msignature.mparameters[i]}"
# get the parameter type
- var mtype = msignature.mparameters[i].mtype
+ var mtype = mp.mtype
var anchor = args.first.mtype.as(MClassType)
var amtype = mtype.anchor_to(self.mainmodule, anchor)
if not args[i+1].mtype.is_subtype(self.mainmodule, anchor, amtype) then
# Use this method, instead of `send` to execute and control the additional behavior of the call-sites
fun callsite(callsite: nullable CallSite, arguments: Array[Instance]): nullable Instance
do
+ if callsite == null then return null
var initializers = callsite.mpropdef.initializers
if not initializers.is_empty then
var recv = arguments.first
# ASSERT: not self.mtype.is_anchored
var mtype: MType
- # return true if the instance is the true value.
- # return false if the instance is the true value.
- # else aborts
+ # Return `true` if the instance is the `true` value.
+ #
+ # Return `false` if the instance is the `false` value.
+ # Abort if the instance is not a boolean value.
fun is_true: Bool do abort
# Return true if `self` IS `o` (using the Nit semantic of is)
# else aborts
fun to_b: Byte do abort
+ # Return the integer value if the instance is a int8.
+ # else aborts
+ fun to_i8: Int8 do abort
+
+ # Return the integer value if the instance is a int16.
+ # else aborts
+ fun to_i16: Int16 do abort
+
+ # Return the integer value if the instance is a uint16.
+ # else aborts
+ fun to_u16: UInt16 do abort
+
+ # Return the integer value if the instance is a int32.
+ # else aborts
+ fun to_i32: Int32 do abort
+
+ # Return the integer value if the instance is a uint32.
+ # else aborts
+ fun to_u32: UInt32 do abort
+
# The real value encapsulated if the instance is primitive.
# Else aborts.
fun val: nullable Object do abort
end
# Special instance to handle primitives values (int, bool, etc.)
-# The trick it just to encapsulate the <<real>> value
+# The trick is just to encapsulate the “real” value.
class PrimitiveInstance[E]
super Instance
redef fun to_f do return val.as(Float)
redef fun to_b do return val.as(Byte)
+
+ redef fun to_i8 do return val.as(Int8)
+
+ redef fun to_i16 do return val.as(Int16)
+
+ redef fun to_u16 do return val.as(UInt16)
+
+ redef fun to_i32 do return val.as(Int32)
+
+ redef fun to_u32 do return val.as(UInt32)
end
# Information about local variables in a running method
var f = v.new_frame(self, mpropdef, args)
var res = call_commons(v, mpropdef, args, f)
v.frames.shift
- if v.returnmark == f then
- v.returnmark = null
+ if v.is_escape(self.return_mark) then
res = v.escapevalue
- v.escapevalue = null
return res
end
return res
v.call(superpd, arguments)
end
+ # First, try intern
if mpropdef.is_intern or mpropdef.is_extern then
var res = intern_call(v, mpropdef, arguments)
if res != v.error_instance then return res
end
-
+ # Then, try extern
+ if mpropdef.is_extern then
+ var res = call_extern(v, mpropdef, arguments, f)
+ if res != v.error_instance then return res
+ end
+ # Else try block
if n_block != null then
v.stmt(self.n_block)
return null
end
+ # Fail if nothing succeed
if mpropdef.is_intern then
fatal(v, "NOT YET IMPLEMENTED intern {mpropdef}")
else if mpropdef.is_extern then
- var res = call_extern(v, mpropdef, arguments, f)
- if res != v.error_instance then return res
+ fatal(v, "NOT YET IMPLEMENTED extern {mpropdef}")
else
fatal(v, "NOT YET IMPLEMENTED <wat?> {mpropdef}")
end
# Call this extern method
protected fun call_extern(v: NaiveInterpreter, mpropdef: MMethodDef, arguments: Array[Instance], f: Frame): nullable Instance
do
- fatal(v, "NOT YET IMPLEMENTED extern {mpropdef}")
return v.error_instance
end
else if pname == "native_class_name" then
var recv = args.first
var txt = recv.mtype.to_s
- return v.native_string_instance(txt)
+ return v.c_string_instance(txt)
else if pname == "==" then
# == is correctly redefined for instances
return v.bool_instance(args[0] == args[1])
return v.bool_instance(args[0].mtype == args[1].mtype)
else if pname == "is_same_instance" then
return v.bool_instance(args[0].eq_is(args[1]))
+ else if pname == "class_inheritance_metamodel_json" then
+ return v.c_string_instance(v.mainmodule.flatten_mclass_hierarchy.to_thin_json)
else if pname == "exit" then
exit(args[1].to_i)
abort
else if cname == "Int" then
var recvval = args[0].to_i
if pname == "unary -" then
- return v.int_instance(-args[0].to_i)
+ return v.int_instance(-recvval)
else if pname == "unary +" then
return args[0]
else if pname == "+" then
- return v.int_instance(args[0].to_i + args[1].to_i)
+ return v.int_instance(recvval + args[1].to_i)
else if pname == "-" then
- return v.int_instance(args[0].to_i - args[1].to_i)
+ return v.int_instance(recvval - args[1].to_i)
else if pname == "*" then
- return v.int_instance(args[0].to_i * args[1].to_i)
+ return v.int_instance(recvval * args[1].to_i)
else if pname == "%" then
- return v.int_instance(args[0].to_i % args[1].to_i)
+ return v.int_instance(recvval % args[1].to_i)
else if pname == "/" then
- return v.int_instance(args[0].to_i / args[1].to_i)
+ return v.int_instance(recvval / args[1].to_i)
else if pname == "<" then
- return v.bool_instance(args[0].to_i < args[1].to_i)
+ return v.bool_instance(recvval < args[1].to_i)
else if pname == ">" then
- return v.bool_instance(args[0].to_i > args[1].to_i)
+ return v.bool_instance(recvval > args[1].to_i)
else if pname == "<=" then
- return v.bool_instance(args[0].to_i <= args[1].to_i)
+ return v.bool_instance(recvval <= args[1].to_i)
else if pname == ">=" then
- return v.bool_instance(args[0].to_i >= args[1].to_i)
+ return v.bool_instance(recvval >= args[1].to_i)
else if pname == "<=>" then
- return v.int_instance(args[0].to_i <=> args[1].to_i)
- else if pname == "ascii" then
- return v.char_instance(args[0].to_i.ascii)
+ return v.int_instance(recvval <=> args[1].to_i)
+ else if pname == "&" then
+ return v.int_instance(recvval & args[1].to_i)
+ else if pname == "|" then
+ return v.int_instance(recvval | args[1].to_i)
else if pname == "to_f" then
- return v.float_instance(args[0].to_i.to_f)
+ return v.float_instance(recvval.to_f)
else if pname == "to_b" then
- return v.byte_instance(args[0].to_i.to_b)
- else if pname == "lshift" then
- return v.int_instance(args[0].to_i.lshift(args[1].to_i))
- else if pname == "rshift" then
- return v.int_instance(args[0].to_i.rshift(args[1].to_i))
- else if pname == "rand" then
- var res = recvval.rand
- return v.int_instance(res)
- else if pname == "bin_and" then
- return v.int_instance(args[0].to_i.bin_and(args[1].to_i))
- else if pname == "bin_or" then
- return v.int_instance(args[0].to_i.bin_or(args[1].to_i))
- else if pname == "bin_xor" then
- return v.int_instance(args[0].to_i.bin_xor(args[1].to_i))
- else if pname == "bin_not" then
- return v.int_instance(args[0].to_i.bin_not)
+ return v.byte_instance(recvval.to_b)
+ else if pname == "<<" then
+ return v.int_instance(recvval << args[1].to_i)
+ else if pname == ">>" then
+ return v.int_instance(recvval >> args[1].to_i)
+ else if pname == "to_i8" then
+ return v.int8_instance(recvval.to_i8)
+ else if pname == "to_i16" then
+ return v.int16_instance(recvval.to_i16)
+ else if pname == "to_u16" then
+ return v.uint16_instance(recvval.to_u16)
+ else if pname == "to_i32" then
+ return v.int32_instance(recvval.to_i32)
+ else if pname == "to_u32" then
+ return v.uint32_instance(recvval.to_u32)
end
else if cname == "Byte" then
var recvval = args[0].to_b
if pname == "unary -" then
- return v.byte_instance(-args[0].to_b)
+ return v.byte_instance(-recvval)
else if pname == "unary +" then
return args[0]
else if pname == "+" then
- return v.byte_instance(args[0].to_b + args[1].to_b)
+ return v.byte_instance(recvval + args[1].to_b)
else if pname == "-" then
- return v.byte_instance(args[0].to_b - args[1].to_b)
+ return v.byte_instance(recvval - args[1].to_b)
else if pname == "*" then
- return v.byte_instance(args[0].to_b * args[1].to_b)
+ return v.byte_instance(recvval * args[1].to_b)
else if pname == "%" then
- return v.byte_instance(args[0].to_b % args[1].to_b)
+ return v.byte_instance(recvval % args[1].to_b)
else if pname == "/" then
- return v.byte_instance(args[0].to_b / args[1].to_b)
+ return v.byte_instance(recvval / args[1].to_b)
else if pname == "<" then
- return v.bool_instance(args[0].to_b < args[1].to_b)
+ return v.bool_instance(recvval < args[1].to_b)
else if pname == ">" then
- return v.bool_instance(args[0].to_b > args[1].to_b)
+ return v.bool_instance(recvval > args[1].to_b)
else if pname == "<=" then
- return v.bool_instance(args[0].to_b <= args[1].to_b)
+ return v.bool_instance(recvval <= args[1].to_b)
else if pname == ">=" then
- return v.bool_instance(args[0].to_b >= args[1].to_b)
+ return v.bool_instance(recvval >= args[1].to_b)
else if pname == "<=>" then
- return v.int_instance(args[0].to_b <=> args[1].to_b)
+ return v.int_instance(recvval <=> args[1].to_b)
+ else if pname == "&" then
+ return v.byte_instance(recvval & args[1].to_b)
+ else if pname == "|" then
+ return v.byte_instance(recvval | args[1].to_b)
else if pname == "to_f" then
- return v.float_instance(args[0].to_b.to_f)
+ return v.float_instance(recvval.to_f)
else if pname == "to_i" then
- return v.int_instance(args[0].to_b.to_i)
- else if pname == "lshift" then
- return v.byte_instance(args[0].to_b.lshift(args[1].to_i))
- else if pname == "rshift" then
- return v.byte_instance(args[0].to_b.rshift(args[1].to_i))
+ return v.int_instance(recvval.to_i)
+ else if pname == "<<" then
+ return v.byte_instance(recvval << args[1].to_i)
+ else if pname == ">>" then
+ return v.byte_instance(recvval >> args[1].to_i)
+ else if pname == "to_i8" then
+ return v.int8_instance(recvval.to_i8)
+ else if pname == "to_i16" then
+ return v.int16_instance(recvval.to_i16)
+ else if pname == "to_u16" then
+ return v.uint16_instance(recvval.to_u16)
+ else if pname == "to_i32" then
+ return v.int32_instance(recvval.to_i32)
+ else if pname == "to_u32" then
+ return v.uint32_instance(recvval.to_u32)
else if pname == "byte_to_s_len" then
return v.int_instance(recvval.to_s.length)
end
else if cname == "Char" then
var recv = args[0].val.as(Char)
- if pname == "ascii" then
- return v.int_instance(recv.ascii)
- else if pname == "successor" then
+ if pname == "successor" then
return v.char_instance(recv.successor(args[1].to_i))
else if pname == "predecessor" then
return v.char_instance(recv.predecessor(args[1].to_i))
return v.int_instance(recv.to_i)
else if pname == "to_b" then
return v.byte_instance(recv.to_b)
+ else if pname == "to_i8" then
+ return v.int8_instance(recv.to_i8)
+ else if pname == "to_i16" then
+ return v.int16_instance(recv.to_i16)
+ else if pname == "to_u16" then
+ return v.uint16_instance(recv.to_u16)
+ else if pname == "to_i32" then
+ return v.int32_instance(recv.to_i32)
+ else if pname == "to_u32" then
+ return v.uint32_instance(recv.to_u32)
else if pname == "cos" then
return v.float_instance(args[0].to_f.cos)
else if pname == "sin" then
return v.float_instance(args[0].to_f.log)
else if pname == "pow" then
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
else if pname == "round" then
return v.float_instance(args[0].to_f.round)
end
- else if cname == "NativeString" then
+ else if cname == "CString" then
if pname == "new" then
- return v.native_string_instance("!" * args[1].to_i)
+ return v.c_string_instance_len(args[1].to_i)
end
- var recvval = args.first.val.as(Buffer)
+ var recvval = args.first.val.as(CString)
if pname == "[]" then
var arg1 = args[1].to_i
- if arg1 >= recvval.length or arg1 < 0 then
- debug("Illegal access on {recvval} for element {arg1}/{recvval.length}")
- end
- return v.char_instance(recvval.chars[arg1])
+ return v.byte_instance(recvval[arg1])
else if pname == "[]=" then
var arg1 = args[1].to_i
- if arg1 >= recvval.length or arg1 < 0 then
- debug("Illegal access on {recvval} for element {arg1}/{recvval.length}")
- end
- recvval.chars[arg1] = args[2].val.as(Char)
+ recvval[arg1] = args[2].val.as(Byte)
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(FlatBuffer)
+ # sig= copy_to(dest: CString, length: Int, from: Int, to: Int)
+ var destval = args[1].val.as(CString)
var lenval = args[2].to_i
var fromval = args[3].to_i
var toval = args[4].to_i
- if fromval < 0 then
- debug("Illegal access on {recvval} for element {fromval}/{recvval.length}")
- end
- if fromval + lenval > recvval.length then
- debug("Illegal access on {recvval} for element {fromval}+{lenval}/{recvval.length}")
- end
- if toval < 0 then
- debug("Illegal access on {destval} for element {toval}/{destval.length}")
- end
- if toval + lenval > destval.length then
- debug("Illegal access on {destval} for element {toval}+{lenval}/{destval.length}")
- end
- recvval.as(FlatBuffer).copy(fromval, lenval, destval, toval)
+ recvval.copy_to(destval, lenval, fromval, toval)
return null
else if pname == "atoi" then
- return v.int_instance(recvval.to_i)
+ return v.int_instance(recvval.atoi)
else if pname == "fast_cstring" then
- var ns = recvval.to_cstring.to_s.substring_from(args[1].to_i)
- return v.native_string_instance(ns)
+ var ns = recvval.fast_cstring(args[1].to_i)
+ return v.c_string_instance(ns.to_s)
+ else if pname == "fetch_4_chars" then
+ return v.uint32_instance(args[0].val.as(CString).fetch_4_chars(args[1].to_i))
+ else if pname == "fetch_4_hchars" then
+ return v.uint32_instance(args[0].val.as(CString).fetch_4_hchars(args[1].to_i))
+ else if pname == "utf8_length" then
+ return v.int_instance(args[0].val.as(CString).utf8_length(args[1].to_i, args[2].to_i))
end
- else if pname == "calloc_string" then
- return v.native_string_instance("!" * args[1].to_i)
else if cname == "NativeArray" then
if pname == "new" then
var val = new Array[Instance].filled_with(v.null_instance, args[1].to_i)
end
var recvval = args.first.val.as(Array[Instance])
if pname == "[]" then
- if args[1].to_i >= recvval.length or args[1].to_i < 0 then
- debug("Illegal access on {recvval} for element {args[1].to_i}/{recvval.length}")
- end
return recvval[args[1].to_i]
else if pname == "[]=" then
recvval[args[1].to_i] = args[2]
recvval.copy_to(0, args[2].to_i, args[1].val.as(Array[Instance]), 0)
return null
end
+ else if cname == "Int8" then
+ var recvval = args[0].to_i8
+ if pname == "unary -" then
+ return v.int8_instance(-recvval)
+ else if pname == "unary +" then
+ return args[0]
+ else if pname == "+" then
+ return v.int8_instance(recvval + args[1].to_i8)
+ else if pname == "-" then
+ return v.int8_instance(recvval - args[1].to_i8)
+ else if pname == "*" then
+ return v.int8_instance(recvval * args[1].to_i8)
+ else if pname == "%" then
+ return v.int8_instance(recvval % args[1].to_i8)
+ else if pname == "/" then
+ return v.int8_instance(recvval / args[1].to_i8)
+ else if pname == "<" then
+ return v.bool_instance(recvval < args[1].to_i8)
+ else if pname == ">" then
+ return v.bool_instance(recvval > args[1].to_i8)
+ else if pname == "<=" then
+ return v.bool_instance(recvval <= args[1].to_i8)
+ else if pname == ">=" then
+ return v.bool_instance(recvval >= args[1].to_i8)
+ else if pname == "<=>" then
+ return v.int_instance(recvval <=> args[1].to_i8)
+ else if pname == "to_f" then
+ return v.float_instance(recvval.to_f)
+ else if pname == "to_i" then
+ return v.int_instance(recvval.to_i)
+ else if pname == "to_b" then
+ return v.byte_instance(recvval.to_b)
+ else if pname == "to_i16" then
+ return v.int16_instance(recvval.to_i16)
+ else if pname == "to_u16" then
+ return v.uint16_instance(recvval.to_u16)
+ else if pname == "to_i32" then
+ return v.int32_instance(recvval.to_i32)
+ else if pname == "to_u32" then
+ return v.uint32_instance(recvval.to_u32)
+ else if pname == "<<" then
+ return v.int8_instance(recvval << (args[1].to_i))
+ else if pname == ">>" then
+ return v.int8_instance(recvval >> (args[1].to_i))
+ else if pname == "&" then
+ return v.int8_instance(recvval & args[1].to_i8)
+ else if pname == "|" then
+ return v.int8_instance(recvval | args[1].to_i8)
+ else if pname == "^" then
+ return v.int8_instance(recvval ^ args[1].to_i8)
+ else if pname == "unary ~" then
+ return v.int8_instance(~recvval)
+ end
+ else if cname == "Int16" then
+ var recvval = args[0].to_i16
+ if pname == "unary -" then
+ return v.int16_instance(-recvval)
+ else if pname == "unary +" then
+ return args[0]
+ else if pname == "+" then
+ return v.int16_instance(recvval + args[1].to_i16)
+ else if pname == "-" then
+ return v.int16_instance(recvval - args[1].to_i16)
+ else if pname == "*" then
+ return v.int16_instance(recvval * args[1].to_i16)
+ else if pname == "%" then
+ return v.int16_instance(recvval % args[1].to_i16)
+ else if pname == "/" then
+ return v.int16_instance(recvval / args[1].to_i16)
+ else if pname == "<" then
+ return v.bool_instance(recvval < args[1].to_i16)
+ else if pname == ">" then
+ return v.bool_instance(recvval > args[1].to_i16)
+ else if pname == "<=" then
+ return v.bool_instance(recvval <= args[1].to_i16)
+ else if pname == ">=" then
+ return v.bool_instance(recvval >= args[1].to_i16)
+ else if pname == "<=>" then
+ return v.int_instance(recvval <=> args[1].to_i16)
+ else if pname == "to_f" then
+ return v.float_instance(recvval.to_f)
+ else if pname == "to_i" then
+ return v.int_instance(recvval.to_i)
+ else if pname == "to_b" then
+ return v.byte_instance(recvval.to_b)
+ else if pname == "to_i8" then
+ return v.int8_instance(recvval.to_i8)
+ else if pname == "to_u16" then
+ return v.uint16_instance(recvval.to_u16)
+ else if pname == "to_i32" then
+ return v.int32_instance(recvval.to_i32)
+ else if pname == "to_u32" then
+ return v.uint32_instance(recvval.to_u32)
+ else if pname == "<<" then
+ return v.int16_instance(recvval << (args[1].to_i))
+ else if pname == ">>" then
+ return v.int16_instance(recvval >> (args[1].to_i))
+ else if pname == "&" then
+ return v.int16_instance(recvval & args[1].to_i16)
+ else if pname == "|" then
+ return v.int16_instance(recvval | args[1].to_i16)
+ else if pname == "^" then
+ return v.int16_instance(recvval ^ args[1].to_i16)
+ else if pname == "unary ~" then
+ return v.int16_instance(~recvval)
+ end
+ else if cname == "UInt16" then
+ var recvval = args[0].to_u16
+ if pname == "unary -" then
+ return v.uint16_instance(-recvval)
+ else if pname == "unary +" then
+ return args[0]
+ else if pname == "+" then
+ return v.uint16_instance(recvval + args[1].to_u16)
+ else if pname == "-" then
+ return v.uint16_instance(recvval - args[1].to_u16)
+ else if pname == "*" then
+ return v.uint16_instance(recvval * args[1].to_u16)
+ else if pname == "%" then
+ return v.uint16_instance(recvval % args[1].to_u16)
+ else if pname == "/" then
+ return v.uint16_instance(recvval / args[1].to_u16)
+ else if pname == "<" then
+ return v.bool_instance(recvval < args[1].to_u16)
+ else if pname == ">" then
+ return v.bool_instance(recvval > args[1].to_u16)
+ else if pname == "<=" then
+ return v.bool_instance(recvval <= args[1].to_u16)
+ else if pname == ">=" then
+ return v.bool_instance(recvval >= args[1].to_u16)
+ else if pname == "<=>" then
+ return v.int_instance(recvval <=> args[1].to_u16)
+ else if pname == "to_f" then
+ return v.float_instance(recvval.to_f)
+ else if pname == "to_i" then
+ return v.int_instance(recvval.to_i)
+ else if pname == "to_b" then
+ return v.byte_instance(recvval.to_b)
+ else if pname == "to_i8" then
+ return v.int8_instance(recvval.to_i8)
+ else if pname == "to_i16" then
+ return v.int16_instance(recvval.to_i16)
+ else if pname == "to_i32" then
+ return v.int32_instance(recvval.to_i32)
+ else if pname == "to_u32" then
+ return v.uint32_instance(recvval.to_u32)
+ else if pname == "<<" then
+ return v.uint16_instance(recvval << (args[1].to_i))
+ else if pname == ">>" then
+ return v.uint16_instance(recvval >> (args[1].to_i))
+ else if pname == "&" then
+ return v.uint16_instance(recvval & args[1].to_u16)
+ else if pname == "|" then
+ return v.uint16_instance(recvval | args[1].to_u16)
+ else if pname == "^" then
+ return v.uint16_instance(recvval ^ args[1].to_u16)
+ else if pname == "unary ~" then
+ return v.uint16_instance(~recvval)
+ end
+ else if cname == "Int32" then
+ var recvval = args[0].to_i32
+ if pname == "unary -" then
+ return v.int32_instance(-recvval)
+ else if pname == "unary +" then
+ return args[0]
+ else if pname == "+" then
+ return v.int32_instance(recvval + args[1].to_i32)
+ else if pname == "-" then
+ return v.int32_instance(recvval - args[1].to_i32)
+ else if pname == "*" then
+ return v.int32_instance(recvval * args[1].to_i32)
+ else if pname == "%" then
+ return v.int32_instance(recvval % args[1].to_i32)
+ else if pname == "/" then
+ return v.int32_instance(recvval / args[1].to_i32)
+ else if pname == "<" then
+ return v.bool_instance(recvval < args[1].to_i32)
+ else if pname == ">" then
+ return v.bool_instance(recvval > args[1].to_i32)
+ else if pname == "<=" then
+ return v.bool_instance(recvval <= args[1].to_i32)
+ else if pname == ">=" then
+ return v.bool_instance(recvval >= args[1].to_i32)
+ else if pname == "<=>" then
+ return v.int_instance(recvval <=> args[1].to_i32)
+ else if pname == "to_f" then
+ return v.float_instance(recvval.to_f)
+ else if pname == "to_i" then
+ return v.int_instance(recvval.to_i)
+ else if pname == "to_b" then
+ return v.byte_instance(recvval.to_b)
+ else if pname == "to_i8" then
+ return v.int8_instance(recvval.to_i8)
+ else if pname == "to_i16" then
+ return v.int16_instance(recvval.to_i16)
+ else if pname == "to_u16" then
+ return v.uint16_instance(recvval.to_u16)
+ else if pname == "to_u32" then
+ return v.uint32_instance(recvval.to_u32)
+ else if pname == "<<" then
+ return v.int32_instance(recvval << (args[1].to_i))
+ else if pname == ">>" then
+ return v.int32_instance(recvval >> (args[1].to_i))
+ else if pname == "&" then
+ return v.int32_instance(recvval & args[1].to_i32)
+ else if pname == "|" then
+ return v.int32_instance(recvval | args[1].to_i32)
+ else if pname == "^" then
+ return v.int32_instance(recvval ^ args[1].to_i32)
+ else if pname == "unary ~" then
+ return v.int32_instance(~recvval)
+ end
+ else if cname == "UInt32" then
+ var recvval = args[0].to_u32
+ if pname == "unary -" then
+ return v.uint32_instance(-recvval)
+ else if pname == "unary +" then
+ return args[0]
+ else if pname == "+" then
+ return v.uint32_instance(recvval + args[1].to_u32)
+ else if pname == "-" then
+ return v.uint32_instance(recvval - args[1].to_u32)
+ else if pname == "*" then
+ return v.uint32_instance(recvval * args[1].to_u32)
+ else if pname == "%" then
+ return v.uint32_instance(recvval % args[1].to_u32)
+ else if pname == "/" then
+ return v.uint32_instance(recvval / args[1].to_u32)
+ else if pname == "<" then
+ return v.bool_instance(recvval < args[1].to_u32)
+ else if pname == ">" then
+ return v.bool_instance(recvval > args[1].to_u32)
+ else if pname == "<=" then
+ return v.bool_instance(recvval <= args[1].to_u32)
+ else if pname == ">=" then
+ return v.bool_instance(recvval >= args[1].to_u32)
+ else if pname == "<=>" then
+ return v.int_instance(recvval <=> args[1].to_u32)
+ else if pname == "to_f" then
+ return v.float_instance(recvval.to_f)
+ else if pname == "to_i" then
+ return v.int_instance(recvval.to_i)
+ else if pname == "to_b" then
+ return v.byte_instance(recvval.to_b)
+ else if pname == "to_i8" then
+ return v.int8_instance(recvval.to_i8)
+ else if pname == "to_i16" then
+ return v.int16_instance(recvval.to_i16)
+ else if pname == "to_u16" then
+ return v.uint16_instance(recvval.to_u16)
+ else if pname == "to_i32" then
+ return v.int32_instance(recvval.to_i32)
+ else if pname == "<<" then
+ return v.uint32_instance(recvval << (args[1].to_i))
+ else if pname == ">>" then
+ return v.uint32_instance(recvval >> (args[1].to_i))
+ else if pname == "&" then
+ return v.uint32_instance(recvval & args[1].to_u32)
+ else if pname == "|" then
+ return v.uint32_instance(recvval | args[1].to_u32)
+ else if pname == "^" then
+ return v.uint32_instance(recvval ^ args[1].to_u32)
+ else if pname == "unary ~" then
+ return v.uint32_instance(~recvval)
+ end
else if pname == "native_argc" then
return v.int_instance(v.arguments.length)
else if pname == "native_argv" then
var txt = v.arguments[args[1].to_i]
- return v.native_string_instance(txt)
- else if pname == "native_argc" then
- return v.int_instance(v.arguments.length)
- else if pname == "native_argv" then
- var txt = v.arguments[args[1].to_i]
- return v.native_string_instance(txt)
+ return v.c_string_instance(txt)
else if pname == "lexer_goto" then
return v.int_instance(lexer_goto(args[1].to_i, args[2].to_i))
else if pname == "lexer_accept" then
return evaluate_expr(v, recv, f)
else if mpropdef == mwritepropdef then
assert args.length == 2
- v.write_attribute(attr, recv, args[1])
+ var arg = args[1]
+ if is_optional and arg.mtype isa MNullType then
+ var f = v.new_frame(self, mpropdef, args)
+ arg = evaluate_expr(v, recv, f)
+ end
+ v.write_attribute(attr, recv, arg)
return null
else
abort
# Evaluate and set the default value of the attribute in `recv`
private fun init_expr(v: NaiveInterpreter, recv: Instance)
do
- if is_lazy then return
+ if is_lazy or is_optional then return
if has_value then
var f = v.new_frame(self, mreadpropdef.as(not null), [recv])
evaluate_expr(v, recv, f)
val = v.expr(nexpr)
else if nblock != null then
v.stmt(nblock)
- assert v.returnmark == f
+ assert v.escapemark == return_mark
val = v.escapevalue
- v.returnmark = null
- v.escapevalue = null
+ v.escapemark = null
else
abort
end
redef class AClassdef
# Execute an implicit `mpropdef` associated with the current node.
- private fun call(v: NaiveInterpreter, mpropdef: MMethodDef, args: Array[Instance]): nullable Instance
+ private fun call(v: NaiveInterpreter, mpropdef: MMethodDef, arguments: Array[Instance]): nullable Instance
do
if mpropdef.mproperty.is_root_init then
- assert args.length == 1
+ assert arguments.length == 1
if not mpropdef.is_intro then
# standard call-next-method
- var superpd = mpropdef.lookup_next_definition(v.mainmodule, args.first.mtype)
- v.call(superpd, args)
+ var superpd = mpropdef.lookup_next_definition(v.mainmodule, arguments.first.mtype)
+ v.call(superpd, arguments)
end
return null
else
end
end
-redef class AReturnExpr
- redef fun stmt(v)
- do
- var ne = self.n_expr
- if ne != null then
- var i = v.expr(ne)
- if i == null then return
- v.escapevalue = i
- end
- v.returnmark = v.frame
- end
-end
-
redef class AAbortExpr
redef fun stmt(v)
do
- fatal(v, "Aborted")
- exit(1)
+ # Abort as asked if there is no `catch` bloc
+ if v.catch_count <= 0 then
+ fatal(v, "Aborted")
+ exit(1)
+ else
+ abort
+ end
end
end
redef class ADoExpr
redef fun stmt(v)
do
- v.stmt(self.n_block)
- v.is_escape(self.break_mark) # Clear the break (if any)
+ # If this bloc has a catch, handle it with a do ... catch ... end
+ if self.n_catch != null then
+ var frame = v.frame
+ v.catch_count += 1
+ do
+ v.stmt(self.n_block)
+ v.is_escape(self.break_mark) # Clear the break (if any)
+ v.catch_count -= 1
+ catch
+ # Restore the current frame if needed
+ while v.frame != frame do v.frames.shift
+ v.catch_count -= 1
+ v.stmt(self.n_catch)
+ end
+ else
+ v.stmt(self.n_block)
+ v.is_escape(self.break_mark)
+ end
end
end
redef class AForExpr
redef fun stmt(v)
do
- var col = v.expr(self.n_expr)
- if col == null then return
- if col.mtype isa MNullType then fatal(v, "Receiver is null")
+ var iters = new Array[Instance]
+
+ for g in n_groups do
+ var col = v.expr(g.n_expr)
+ if col == null then return
+ if col.mtype isa MNullType then fatal(v, "Receiver is null")
+
+ var iter = v.callsite(g.method_iterator, [col]).as(not null)
+ iters.add iter
+ end
- #self.debug("col {col}")
- var iter = v.callsite(method_iterator, [col]).as(not null)
- #self.debug("iter {iter}")
loop
- var isok = v.callsite(method_is_ok, [iter]).as(not null)
- if not isok.is_true then break
- if self.variables.length == 1 then
- var item = v.callsite(method_item, [iter]).as(not null)
- #self.debug("item {item}")
- v.write_variable(self.variables.first, item)
- else if self.variables.length == 2 then
- var key = v.callsite(method_key, [iter]).as(not null)
- v.write_variable(self.variables[0], key)
- var item = v.callsite(method_item, [iter]).as(not null)
- v.write_variable(self.variables[1], item)
- else
- abort
+ for g in n_groups, iter in iters do
+ var isok = v.callsite(g.method_is_ok, [iter]).as(not null)
+ if not isok.is_true then break label
+ if g.variables.length == 1 then
+ var item = v.callsite(g.method_item, [iter]).as(not null)
+ #self.debug("item {item}")
+ v.write_variable(g.variables.first, item)
+ else if g.variables.length == 2 then
+ var key = v.callsite(g.method_key, [iter]).as(not null)
+ v.write_variable(g.variables[0], key)
+ var item = v.callsite(g.method_item, [iter]).as(not null)
+ v.write_variable(g.variables[1], item)
+ else
+ abort
+ end
end
v.stmt(self.n_block)
if v.is_escape(self.break_mark) then break
v.is_escape(self.continue_mark) # Clear the break
if v.is_escaping then break
- v.callsite(method_next, [iter])
- end
- var method_finish = self.method_finish
- if method_finish != null then
- v.callsite(method_finish, [iter])
+ for g in n_groups, iter in iters do
+ v.callsite(g.method_next, [iter])
+ end
+ end label
+ for g in n_groups, iter in iters do
+ var method_finish = g.method_finish
+ if method_finish != null then
+ v.callsite(method_finish, [iter])
+ end
end
end
end
v.callsite(method_start, [expr])
v.stmt(self.n_block)
v.is_escape(self.break_mark) # Clear the break
+
+ # Execute the finally without an escape
+ var old_mark = v.escapemark
+ v.escapemark = null
v.callsite(method_finish, [expr])
+ # Restore the escape unless another escape was provided
+ if v.escapemark == null then v.escapemark = old_mark
end
end
end
end
-redef class AIntExpr
+redef class AIntegerExpr
redef fun expr(v)
do
- return v.int_instance(self.value.as(not null))
- end
-end
-
-redef class AByteExpr
- redef fun expr(v)
- do
- return v.byte_instance(self.value.as(not null))
+ if value isa Int then return v.int_instance(value.as(Int))
+ if value isa Byte then return v.byte_instance(value.as(Byte))
+ if value isa Int8 then return v.int8_instance(value.as(Int8))
+ if value isa Int16 then return v.int16_instance(value.as(Int16))
+ if value isa UInt16 then return v.uint16_instance(value.as(UInt16))
+ if value isa Int32 then return v.int32_instance(value.as(Int32))
+ if value isa UInt32 then return v.uint32_instance(value.as(UInt32))
+ return null
end
end
redef class ACharExpr
redef fun expr(v)
do
+ if is_ascii then return v.byte_instance(self.value.as(not null).ascii)
+ if is_code_point then return v.int_instance(self.value.as(not null).code_point)
return v.char_instance(self.value.as(not null))
end
end
end
end
+redef class AugmentedStringFormExpr
+ # Factorize the making of a `Regex` object from a literal prefixed string
+ fun make_re(v: NaiveInterpreter, rs: Instance): nullable Instance do
+ var tore = to_re
+ assert tore != null
+ var res = v.callsite(tore, [rs])
+ if res == null then
+ print "Cannot call property `to_re` on {self}"
+ abort
+ end
+ for j in suffix.chars do
+ if j == 'i' then
+ var prop = ignore_case
+ assert prop != null
+ v.callsite(prop, [res, v.bool_instance(true)])
+ continue
+ end
+ if j == 'm' then
+ var prop = newline
+ assert prop != null
+ v.callsite(prop, [res, v.bool_instance(true)])
+ continue
+ end
+ if j == 'b' then
+ var prop = extended
+ assert prop != null
+ v.callsite(prop, [res, v.bool_instance(false)])
+ continue
+ end
+ # Should not happen, this needs to be updated
+ # along with the addition of new suffixes
+ abort
+ end
+ return res
+ end
+end
+
redef class AStringFormExpr
- redef fun expr(v)
- do
- var txt = self.value.as(not null)
- return v.string_instance(txt)
+ redef fun expr(v) do return v.string_instance(value)
+end
+
+redef class AStringExpr
+ redef fun expr(v) do
+ var s = v.string_instance(value)
+ if is_string then return s
+ if is_bytestring then
+ var ns = v.c_string_instance_from_ns(bytes.items, bytes.length)
+ var ln = v.int_instance(bytes.length)
+ var prop = to_bytes_with_copy
+ assert prop != null
+ var res = v.callsite(prop, [ns, ln])
+ if res == null then
+ print "Cannot call property `to_bytes` on {self}"
+ abort
+ end
+ s = res
+ else if is_re then
+ var res = make_re(v, s)
+ assert res != null
+ s = res
+ else
+ print "Unimplemented prefix or suffix for {self}"
+ abort
+ end
+ return s
end
end
var i = v.array_instance(array, v.mainmodule.object_type)
var res = v.send(v.force_get_primitive_method("plain_to_s", i.mtype), [i])
assert res != null
+ if is_re then res = make_re(v, res)
return res
end
end