import typing
import auto_super_init
+redef class ToolContext
+ # --discover-call-trace
+ var opt_discover_call_trace: OptionBool = new OptionBool("Trace calls of the first invocation of a method", "--discover-call-trace")
+
+ redef init
+ do
+ super
+ self.option_context.add_option(self.opt_discover_call_trace)
+ end
+end
+
redef class ModelBuilder
# Execute the program from the entry point (Sys::main) of the `mainmodule'
# `arguments' are the command-line arguments in order
self.toolcontext.info("*** START INTERPRETING ***", 1)
var interpreter = new NaiveInterpreter(self, mainmodule, arguments)
+ init_naive_interpreter(interpreter, mainmodule)
+
+ var time1 = get_time
+ self.toolcontext.info("*** END INTERPRETING: {time1-time0} ***", 2)
+ end
+
+ private fun init_naive_interpreter(interpreter: NaiveInterpreter, mainmodule: MModule) do
var sys_type = mainmodule.sys_type
if sys_type == null then return # no class Sys
var mainobj = new MutableInstance(sys_type)
if mainprop != null then
interpreter.send(mainprop, [mainobj])
end
-
- var time1 = get_time
- self.toolcontext.info("*** END INTERPRETING: {time1-time0} ***", 2)
end
end
return sub.is_subtype(self.mainmodule, self.frame.arguments.first.mtype.as(MClassType), sup)
end
+ fun force_get_primitive_method(name: String, recv: MType): MMethod
+ do
+ return self.modelbuilder.force_get_primitive_method(self.frame.current_node, name, recv, 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
var mtype = self.mainmodule.get_primitive_class("Array").get_mtype([elttype])
var res = new MutableInstance(mtype)
self.init_instance(res)
- self.send(self.mainmodule.force_get_primitive_method("with_native", mtype), [res, nat, self.int_instance(values.length)])
+ self.send(self.force_get_primitive_method("with_native", mtype), [res, nat, self.int_instance(values.length)])
self.check_init_instance(res)
return res
end
exit(1)
end
+ # Debug on the current node
+ fun debug(message: String)
+ do
+ if frames.is_empty then
+ print message
+ else
+ self.frame.current_node.debug(message)
+ end
+ end
+
+ # Store known method, used to trace methods as thez are reached
+ var discover_call_trace: Set[MMethodDef] = new HashSet[MMethodDef]
+
# Execute `mpropdef' for a `args' (where args[0] is the receiver).
# Return a falue if `mpropdef' is a function, or null if it is a procedure.
# The call is direct/static. There is no message-seding/late-bindng.
fun call(mpropdef: MMethodDef, args: Array[Instance]): nullable Instance
do
+ if self.modelbuilder.toolcontext.opt_discover_call_trace.value and not self.discover_call_trace.has(mpropdef) then
+ self.discover_call_trace.add mpropdef
+ self.debug("Discovered {mpropdef}")
+ end
var vararg_rank = mpropdef.msignature.vararg_rank
if vararg_rank >= 0 then
assert args.length >= mpropdef.msignature.arity + 1 # because of self
args.add(rawargs[i+1])
end
end
- assert args.length >= mpropdef.msignature.arity + 1 # because of self
- assert args.length <= mpropdef.msignature.arity + 1 + mpropdef.msignature.mclosures.length
+ if args.length < mpropdef.msignature.arity + 1 or args.length > mpropdef.msignature.arity + 1 + mpropdef.msignature.mclosures.length then
+ fatal("NOT YET IMPLEMENTED: Invalid arity for {mpropdef}. {args.length} arguments given.")
+ end
if args.length < mpropdef.msignature.arity + 1 + mpropdef.msignature.mclosures.length then
fatal("NOT YET IMPLEMENTED: default closures")
end
# Human readable object identity "Type#number"
redef fun to_s do return "{mtype}#{object_id}"
- # Return the integer valur is the instance is an integer.
+ # Return the integer value if the instance is an integer.
# else aborts
fun to_i: Int do abort
+ # Return the integer value if the instance is a float.
+ # else aborts
+ fun to_f: Float do abort
+
# The real value encapsulated if the instance is primitive.
# Else aborts.
fun val: Object do abort
redef fun to_s do return "{mtype}#{val.object_id}({val})"
redef fun to_i do return val.as(Int)
+
+ redef fun to_f do return val.as(Float)
end
private class ClosureInstance
return v.int_instance(recv <=> args[1].val.as(Char))
end
else if cname == "Float" then
- if pname == "+" then
- return v.float_instance(args[0].val.as(Float) + args[1].val.as(Float))
+ if pname == "unary -" then
+ return v.float_instance(-args[0].to_f)
+ else if pname == "+" then
+ return v.float_instance(args[0].to_f + args[1].to_f)
else if pname == "-" then
- return v.float_instance(args[0].val.as(Float) - args[1].val.as(Float))
+ return v.float_instance(args[0].to_f - args[1].to_f)
else if pname == "*" then
- return v.float_instance(args[0].val.as(Float) * args[1].val.as(Float))
+ return v.float_instance(args[0].to_f * args[1].to_f)
else if pname == "/" then
- return v.float_instance(args[0].val.as(Float) / args[1].val.as(Float))
+ return v.float_instance(args[0].to_f / args[1].to_f)
else if pname == "to_i" then
- return v.int_instance(args[0].val.as(Float).to_i)
+ return v.int_instance(args[0].to_f.to_i)
end
else if cname == "NativeString" then
var recvval = args.first.val.as(Buffer)
var res = sys.system(recvval.to_s)
return v.int_instance(res)
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)
+ else if pname == "sin" then
+ return v.float_instance(args[0].to_f.sin)
+ end
else if pname == "native_argc" then
return v.int_instance(v.arguments.length)
else if pname == "native_argv" then
return v.native_string_instance(txt)
else if pname == "get_time" then
return v.int_instance(get_time)
+ else if pname == "atan2" then
+ return v.float_instance(atan2(args[1].to_f, args[2].to_f))
+ else if pname == "pi" then
+ return v.float_instance(pi)
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
var col = v.expr(self.n_expr)
if col == null then return
#self.debug("col {col}")
- var iter = v.send(v.mainmodule.force_get_primitive_method("iterator", col.mtype), [col]).as(not null)
+ var iter = v.send(v.force_get_primitive_method("iterator", col.mtype), [col]).as(not null)
#self.debug("iter {iter}")
loop
- var isok = v.send(v.mainmodule.force_get_primitive_method("is_ok", iter.mtype), [iter]).as(not null)
+ var isok = v.send(v.force_get_primitive_method("is_ok", iter.mtype), [iter]).as(not null)
if not isok.is_true then return
if self.variables.length == 1 then
- var item = v.send(v.mainmodule.force_get_primitive_method("item", iter.mtype), [iter]).as(not null)
+ var item = v.send(v.force_get_primitive_method("item", iter.mtype), [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.mainmodule.force_get_primitive_method("key", iter.mtype), [iter]).as(not null)
+ var key = v.send(v.force_get_primitive_method("key", iter.mtype), [iter]).as(not null)
v.frame.map[self.variables[0]] = key
- var item = v.send(v.mainmodule.force_get_primitive_method("item", iter.mtype), [iter]).as(not null)
+ var item = v.send(v.force_get_primitive_method("item", iter.mtype), [iter]).as(not null)
v.frame.map[self.variables[1]] = item
else
abort
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.mainmodule.force_get_primitive_method("next", iter.mtype), [iter])
+ v.send(v.force_get_primitive_method("next", iter.mtype), [iter])
end
end
end
var nat = v.native_string_instance(txt)
var res = new MutableInstance(v.mainmodule.get_primitive_class("String").mclass_type)
v.init_instance(res)
- v.send(v.mainmodule.force_get_primitive_method("from_cstring", res.mtype), [res, nat])
+ v.send(v.force_get_primitive_method("from_cstring", res.mtype), [res, nat])
v.check_init_instance(res)
return res
end
array.add(i)
end
var i = v.array_instance(array, v.mainmodule.get_primitive_class("Object").mclass_type)
- var res = v.send(v.mainmodule.force_get_primitive_method("to_s", i.mtype), [i])
+ var res = v.send(v.force_get_primitive_method("to_s", i.mtype), [i])
assert res != null
return res
end
var mtype = v.unanchor_type(self.mtype.as(not null))
var res = new MutableInstance(mtype)
v.init_instance(res)
- v.send(v.mainmodule.force_get_primitive_method("init", mtype), [res, e1, e2])
+ v.send(v.force_get_primitive_method("init", mtype), [res, e1, e2])
v.check_init_instance(res)
return res
end
var mtype = v.unanchor_type(self.mtype.as(not null))
var res = new MutableInstance(mtype)
v.init_instance(res)
- v.send(v.mainmodule.force_get_primitive_method("without_last", mtype), [res, e1, e2])
+ v.send(v.force_get_primitive_method("without_last", mtype), [res, e1, e2])
v.check_init_instance(res)
return res
end