Class: FFI::Tcl::Interp
Constant Summary
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- EVAL_GLOBAL =
0x20000
- EVAL_DIRECT =
0x40000
Constants inherited
from PrettyStruct
PrettyStruct::ACCESSOR_CODE
Instance Method Summary
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layout
Instance Method Details
#do_events_until(flag = 0) ⇒ Object
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# File 'lib/ffi-tk/ffi/tcl/interp.rb', line 65
def do_events_until(flag = 0)
begin
wait_for_event(0.1)
Tcl.do_one_event(flag)
end until yield
end
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#do_events_while(flag = 0) ⇒ Object
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# File 'lib/ffi-tk/ffi/tcl/interp.rb', line 72
def do_events_while(flag = 0)
begin
wait_for_event(0.1)
Tcl.do_one_event(flag)
end while yield
end
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#do_one_event(flag = 0) ⇒ Object
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# File 'lib/ffi-tk/ffi/tcl/interp.rb', line 61
def do_one_event(flag = 0)
Tcl.do_one_event(flag)
end
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#eval(string) ⇒ Object
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# File 'lib/ffi-tk/ffi/tcl/interp.rb', line 79
def eval(string)
if $DEBUG
if string =~ /\n/
puts "eval: %p" % [string]
else
puts "eval: %s" % [string]
end
end
code = Tcl.eval_ex(self, string, string.bytesize, EVAL_DIRECT)
return true if code == 0
message = guess_result.to_s
if message.empty?
raise 'Failure during eval of: %p' % [string]
else
raise '%s during eval of: %p' % [message, string]
end
end
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#guess_result ⇒ Object
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# File 'lib/ffi-tk/ffi/tcl/interp.rb', line 17
def guess_result
EvalResult.guess(self, Obj.new(Tcl.get_obj_result(self)))
end
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# File 'lib/ffi-tk/ffi/tcl/interp.rb', line 13
def inspect
"Interp"
end
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#obj_result ⇒ Object
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# File 'lib/ffi-tk/ffi/tcl/interp.rb', line 21
def obj_result
Obj.new(Tcl.get_obj_result(self))
end
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#obj_result=(ruby_obj) ⇒ Object
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# File 'lib/ffi-tk/ffi/tcl/interp.rb', line 25
def obj_result=(ruby_obj)
obj =
case ruby_obj
when true
Tcl.new_boolean_obj(1)
when false
Tcl.new_boolean_obj(0)
when String
Tcl.new_string_obj(ruby_obj, ruby_obj.bytesize)
when Fixnum
Tcl.new_int_obj(ruby_obj)
when Exception
string = [ruby_obj.message, *ruby_obj.backtrace].join("\n")
Tcl.new_string_obj(string, string.bytesize)
else
if ruby_obj.respond_to?(:to_tcl)
ruby_obj.to_tcl
else
raise ArgumentError, "Don't know how to set %p automatically" % [ruby_obj]
end
end
Tcl.set_obj_result(self, obj)
end
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#wait_for_event(seconds = 0.0) ⇒ Object
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# File 'lib/ffi-tk/ffi/tcl/interp.rb', line 50
def wait_for_event(seconds = 0.0)
if seconds && seconds > 0.0
seconds, microseconds = (seconds * 1000).divmod(1000)
time = TclTime.new(seconds, microseconds)
else
time = nil
end
Tcl.wait_for_event(time)
end
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