Class: Code::Object::Function
Direct Known Subclasses
Super
Constant Summary
Constants inherited
from Code::Object
NUMBER_CLASSES
Instance Attribute Summary collapse
#methods, #raw
Instance Method Summary
collapse
code_new, #code_new, maybe, #name, repeat, |
#<=>, #==, #as_json, #blank?, #code_and, #code_as_json, #code_blank?, #code_compare, #code_deep_duplicate, #code_different, #code_duplicate, #code_equal, #code_exclamation_mark, #code_exclusive_range, #code_falsy?, code_fetch, code_get, #code_greater, #code_greater_or_equal, #code_inclusive_range, #code_inspect, #code_less, #code_less_or_equal, #code_methods, #code_name, #code_nothing?, #code_or, #code_presence, #code_presence_in, #code_present?, #code_self, code_set, #code_something?, #code_strict_different, #code_strict_equal, #code_to_boolean, #code_to_class, #code_to_date, #code_to_decimal, #code_to_dictionary, #code_to_duration, #code_to_integer, #code_to_json, #code_to_list, #code_to_nothing, #code_to_parameter, #code_to_range, #code_to_time, #code_truthy?, #eql?, #falsy?, #hash, #inspect, #multi_fetch, #nothing?, #present?, #sig, #something?, #succ, #to_code, #to_i, #to_json, #to_s, #truthy?
Constructor Details
#initialize(*args, parent: nil, methods: nil, **_kargs, &_block) ⇒ Function
Returns a new instance of Function.
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# File 'lib/code/object/function.rb', line 8
def initialize(*args, parent: nil, methods: nil, **_kargs, &_block)
@code_parameters =
List
.new(args.first)
.raw
.map { |parameter| Parameter.new(parameter) }
.to_code
@code_body = Code.new(args.second.presence)
@definition_context = args.third if args.third.is_a?(Context)
@parent = parent.to_code
self.methods = methods.to_code
self.methods = Dictionary.new if self.methods.nothing?
self.raw = List.new([code_parameters, code_body])
end
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Instance Attribute Details
#code_body ⇒ Object
Returns the value of attribute code_body.
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# File 'lib/code/object/function.rb', line 6
def code_body
@code_body
end
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#code_parameters ⇒ Object
Returns the value of attribute code_parameters.
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# File 'lib/code/object/function.rb', line 6
def code_parameters
@code_parameters
end
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#definition_context ⇒ Object
Returns the value of attribute definition_context.
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# File 'lib/code/object/function.rb', line 6
def definition_context
@definition_context
end
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Returns the value of attribute parent.
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# File 'lib/code/object/function.rb', line 6
def parent
@parent
end
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Instance Method Details
#call(**args) ⇒ Object
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# File 'lib/code/object/function.rb', line 25
def call(**args)
code_operator = args.fetch(:operator, nil).to_code
code_arguments = args.fetch(:arguments, List.new).to_code
globals = multi_fetch(args, *GLOBALS)
case code_operator.to_s
when "", "call"
sig(args) { signature_for_call }
code_call(
*code_arguments.raw,
explicit_arguments: args.fetch(:explicit_arguments, true),
**globals
)
when "extend"
sig(args) { Function }
code_extend(code_arguments.code_first)
when /=$/
sig(args) { Object }
code_set(code_operator.to_s.chop, code_value)
when ->(operator) { code_has_key?(operator).truthy? }
result = code_fetch(code_operator)
if result.is_a?(Function)
result.call(**args, operator: nil, bound_self: self)
else
sig(args)
result
end
else
super
end
end
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#code_call(*arguments, explicit_arguments: true, bound_self: nil, **globals) ⇒ Object
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# File 'lib/code/object/function.rb', line 58
def code_call(*arguments, explicit_arguments: true, bound_self: nil, **globals)
code_arguments = arguments.to_code
code_context = Context.new({}, definition_context || globals[:context])
code_self = bound_self.to_code
code_self = captured_self if code_self.nothing? && captured_self
code_self = Dictionary.new if code_self.nil? || code_self.nothing?
code_context.code_set("self", code_self)
if parent.is_a?(Function)
code_context.code_set(
"super",
Super.new(
parent,
code_arguments,
code_self,
definition_context || globals[:context],
explicit_arguments: explicit_arguments
)
)
end
code_parameters.raw.each.with_index do |code_parameter, index|
code_argument =
if code_parameter.spread?
code_arguments
elsif code_parameter.regular_splat?
code_arguments
elsif code_parameter.keyword_splat?
code_arguments.raw.detect do |code_argument|
code_argument.is_a?(Dictionary)
end || Dictionary.new
elsif code_parameter.block?
code_arguments
.raw
.detect { |code_argument| code_argument.is_a?(Function) }
.to_code
elsif code_parameter.keyword?
code_arguments
.raw
.select { |code_argument| code_argument.is_a?(Dictionary) }
.detect do |code_dictionary|
code_dictionary.code_has_key?(
code_parameter.code_name
).truthy?
end
&.code_get(code_parameter.code_name)
.to_code
else
code_arguments.raw[index].to_code
end
code_argument = code_parameter.code_default if code_argument.nothing?
code_context.code_set(code_parameter.code_name, code_argument)
end
code_body.code_evaluate(**globals, context: code_context)
rescue Error::Return => e
e.code_value
end
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#code_extend(function) ⇒ Object
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# File 'lib/code/object/function.rb', line 169
def code_extend(function)
code_function = function.to_code
Function.new(
code_function.code_parameters,
code_function.code_body.raw,
code_function.definition_context,
parent: self,
methods: methods.code_deep_duplicate
)
end
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#code_fetch(key) ⇒ Object
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# File 'lib/code/object/function.rb', line 181
def code_fetch(key)
methods.code_fetch(key)
end
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#code_get(key) ⇒ Object
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# File 'lib/code/object/function.rb', line 185
def code_get(key)
methods.code_get(key)
end
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#code_has_key?(key) ⇒ Boolean
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# File 'lib/code/object/function.rb', line 189
def code_has_key?(key)
methods.code_has_key?(key)
end
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#code_set(key, value) ⇒ Object
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# File 'lib/code/object/function.rb', line 193
def code_set(key, value)
methods.code_set(key, value)
end
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#code_to_string ⇒ Object
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# File 'lib/code/object/function.rb', line 154
def code_to_string
String.new(
Format.format(
[
{
function: {
parameters: code_parameters.raw.map { |parameter| parameter_to_raw(parameter) },
body: code_body.raw.to_raw
}
}
]
)
)
end
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#signature_for_call ⇒ Object
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# File 'lib/code/object/function.rb', line 120
def signature_for_call
code_parameters
.raw
.inject([]) do |signature, code_parameter|
if code_parameter.spread?
signature + [Object.repeat]
elsif code_parameter.block?
signature + [Function]
elsif code_parameter.keyword_splat?
signature + [Dictionary.maybe]
elsif code_parameter.regular_splat?
signature + [Object.repeat]
elsif code_parameter.keyword? && code_parameter.required?
if signature.last.is_a?(::Hash)
signature.last[code_parameter.code_name] = Object
signature
else
signature + [{ code_parameter.code_name => Object }]
end
elsif code_parameter.keyword?
if signature.last.is_a?(::Hash)
signature.last[code_parameter.code_name] = Object.maybe
signature
else
signature + [{ code_parameter.code_name => Object.maybe }]
end
elsif code_parameter.required?
signature + [Object]
else
signature + [Object.maybe]
end
end + [Object.repeat]
end
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