Class: Steep::Interface::Params
- Inherits:
-
Object
- Object
- Steep::Interface::Params
- Defined in:
- lib/steep/interface/method_type.rb
Defined Under Namespace
Classes: OptionalPositional, RequiredPositional, RestPositional
Constant Summary collapse
- NONE =
Object.new
Instance Attribute Summary collapse
-
#optional ⇒ Object
readonly
Returns the value of attribute optional.
-
#optional_keywords ⇒ Object
readonly
Returns the value of attribute optional_keywords.
-
#required ⇒ Object
readonly
Returns the value of attribute required.
-
#required_keywords ⇒ Object
readonly
Returns the value of attribute required_keywords.
-
#rest ⇒ Object
readonly
Returns the value of attribute rest.
-
#rest_keywords ⇒ Object
readonly
Returns the value of attribute rest_keywords.
Class Method Summary collapse
Instance Method Summary collapse
- #&(other) ⇒ Object
- #==(other) ⇒ Object
- #closed? ⇒ Boolean
- #drop_first ⇒ Object
- #each_extra_argument(args) ⇒ Object
- #each_extra_keyword(args) ⇒ Object
- #each_missing_argument(args) ⇒ Object
- #each_missing_keyword(args) ⇒ Object
- #each_type ⇒ Object
- #empty? ⇒ Boolean
- #extract_keywords(args) ⇒ Object
- #first_param ⇒ Object
- #flat_keywords ⇒ Object
- #flat_unnamed_params ⇒ Object
- #free_variables ⇒ Object
- #has_keywords? ⇒ Boolean
- #has_positional? ⇒ Boolean
-
#initialize(required:, optional:, rest:, required_keywords:, optional_keywords:, rest_keywords:) ⇒ Params
constructor
A new instance of Params.
- #map_type(&block) ⇒ Object
- #size ⇒ Object
- #subst(s) ⇒ Object
- #to_s ⇒ Object
- #update(required: NONE, optional: NONE, rest: NONE, required_keywords: NONE, optional_keywords: NONE, rest_keywords: NONE) ⇒ Object
- #with_first_param(param) ⇒ Object
- #without_keywords ⇒ Object
- #|(other) ⇒ Object
Constructor Details
#initialize(required:, optional:, rest:, required_keywords:, optional_keywords:, rest_keywords:) ⇒ Params
Returns a new instance of Params.
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# File 'lib/steep/interface/method_type.rb', line 11 def initialize(required:, optional:, rest:, required_keywords:, optional_keywords:, rest_keywords:) @required = required @optional = optional @rest = rest @required_keywords = required_keywords @optional_keywords = optional_keywords @rest_keywords = rest_keywords end |
Instance Attribute Details
#optional ⇒ Object (readonly)
Returns the value of attribute optional.
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# File 'lib/steep/interface/method_type.rb', line 5 def optional @optional end |
#optional_keywords ⇒ Object (readonly)
Returns the value of attribute optional_keywords.
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# File 'lib/steep/interface/method_type.rb', line 8 def optional_keywords @optional_keywords end |
#required ⇒ Object (readonly)
Returns the value of attribute required.
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# File 'lib/steep/interface/method_type.rb', line 4 def required @required end |
#required_keywords ⇒ Object (readonly)
Returns the value of attribute required_keywords.
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# File 'lib/steep/interface/method_type.rb', line 7 def required_keywords @required_keywords end |
#rest ⇒ Object (readonly)
Returns the value of attribute rest.
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# File 'lib/steep/interface/method_type.rb', line 6 def rest @rest end |
#rest_keywords ⇒ Object (readonly)
Returns the value of attribute rest_keywords.
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# File 'lib/steep/interface/method_type.rb', line 9 def rest_keywords @rest_keywords end |
Class Method Details
.empty ⇒ Object
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# File 'lib/steep/interface/method_type.rb', line 66 def self.empty self.new( required: [], optional: [], rest: nil, required_keywords: {}, optional_keywords: {}, rest_keywords: nil ) end |
Instance Method Details
#&(other) ⇒ Object
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# File 'lib/steep/interface/method_type.rb', line 398 def &(other) a = first_param b = other.first_param case when a.is_a?(RequiredPositional) && b.is_a?(RequiredPositional) AST::Types::Intersection.build(types: [a.type, b.type]).yield_self do |type| (self.drop_first & other.drop_first).with_first_param(RequiredPositional.new(type)) end when a.is_a?(RequiredPositional) && b.is_a?(OptionalPositional) AST::Types::Intersection.build(types: [a.type, b.type]).yield_self do |type| (self.drop_first & other.drop_first).with_first_param(RequiredPositional.new(type)) end when a.is_a?(RequiredPositional) && b.is_a?(RestPositional) AST::Types::Intersection.build(types: [a.type, b.type]).yield_self do |type| (self.drop_first & other).with_first_param(RequiredPositional.new(type)) end when a.is_a?(RequiredPositional) && b.nil? (self.drop_first & other).with_first_param(RequiredPositional.new(AST::Types::Bot.new)) when a.is_a?(OptionalPositional) && b.is_a?(RequiredPositional) AST::Types::Intersection.build(types: [a.type, b.type]).yield_self do |type| (self.drop_first & other.drop_first).with_first_param(RequiredPositional.new(type)) end when a.is_a?(OptionalPositional) && b.is_a?(OptionalPositional) AST::Types::Intersection.build(types: [a.type, b.type]).yield_self do |type| (self.drop_first & other.drop_first).with_first_param(OptionalPositional.new(type)) end when a.is_a?(OptionalPositional) && b.is_a?(RestPositional) AST::Types::Intersection.build(types: [a.type, b.type]).yield_self do |type| (self.drop_first & other).with_first_param(OptionalPositional.new(type)) end when a.is_a?(OptionalPositional) && b.nil? self.drop_first & other when a.is_a?(RestPositional) && b.is_a?(RequiredPositional) AST::Types::Intersection.build(types: [a.type, b.type]).yield_self do |type| (self & other.drop_first).with_first_param(RequiredPositional.new(type)) end when a.is_a?(RestPositional) && b.is_a?(OptionalPositional) AST::Types::Intersection.build(types: [a.type, b.type]).yield_self do |type| (self & other.drop_first).with_first_param(OptionalPositional.new(type)) end when a.is_a?(RestPositional) && b.is_a?(RestPositional) AST::Types::Intersection.build(types: [a.type, b.type]).yield_self do |type| (self.drop_first & other.drop_first).with_first_param(RestPositional.new(type)) end when a.is_a?(RestPositional) && b.nil? self.drop_first & other when a.nil? && b.is_a?(RequiredPositional) (self & other.drop_first).with_first_param(RequiredPositional.new(AST::Types::Bot.new)) when a.nil? && b.is_a?(OptionalPositional) self & other.drop_first when a.nil? && b.is_a?(RestPositional) self & other.drop_first when a.nil? && b.nil? optional_keywords = {} (Set.new(self.optional_keywords.keys) & Set.new(other.optional_keywords.keys)).each do |keyword| self.optional_keywords[keyword] = AST::Types::Intersection.build( types: [ self.optional_keywords[keyword], other.optional_keywords[keyword] ] ) end required_keywords = {} self.optional_keywords.each do |keyword, t| unless optional_keywords.key?(keyword) case when other.required_keywords.key?(keyword) required_keywords[keyword] = AST::Types::Intersection.build(types: [t, other.required_keywords[keyword]]) when other.rest_keywords required_keywords[keyword] = AST::Types::Intersection.build(types: [t, other.rest_keywords]) else required_keywords[keyword] = t end end end other.optional_keywords.each do |keyword, t| unless optional_keywords.key?(keyword) case when self.required_keywords.key?(keyword) required_keywords[keyword] = AST::Types::Intersection.build(types: [t, self.required_keywords[keyword]]) when self.rest_keywords required_keywords[keyword] = AST::Types::Intersection.build(types: [t, self.rest_keywords]) else required_keywords[keyword] = t end end end self.required_keywords.each do |keyword, t| unless required_keywords.key?(keyword) case when other.required_keywords.key?(keyword) required_keywords[keyword] = AST::Types::Intersection.build(types: [t, other.required_keywords[keyword]]) when other.rest_keywords required_keywords[keyword] = AST::Types::Intersection.build(types: [t, other.rest_keywords]) else required_keywords[keyword] = t end end end other.required_keywords.each do |keyword, t| unless required_keywords.key?(keyword) case when self.required_keywords.key?(keyword) required_keywords[keyword] = AST::Types::Intersection.build(types: [t, self.required_keywords[keyword]]) when self.rest_keywords required_keywords[keyword] = AST::Types::Intersection.build(types: [t, self.rest_keywords]) else required_keywords[keyword] = t end end end rest = case when self.rest_keywords && other.rest_keywords AST::Types::Intersection.build(types: [self.rest_keywords, other.rest_keywords]) else self.rest_keywords || other.rest_keywords end Params.new( required: [], optional: [], rest: nil, required_keywords: required_keywords, optional_keywords: optional_keywords, rest_keywords: rest) end end |
#==(other) ⇒ Object
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# File 'lib/steep/interface/method_type.rb', line 77 def ==(other) other.is_a?(self.class) && other.required == required && other.optional == optional && other.rest == rest && other.required_keywords == required_keywords && other.optional_keywords == optional_keywords && other.rest_keywords == rest_keywords end |
#closed? ⇒ Boolean
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# File 'lib/steep/interface/method_type.rb', line 222 def closed? required.all?(&:closed?) && optional.all?(&:closed?) && (!rest || rest.closed?) && required_keywords.values.all?(&:closed?) && optional_keywords.values.all?(&:closed?) && (!rest_keywords || rest_keywords.closed?) end |
#drop_first ⇒ Object
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# File 'lib/steep/interface/method_type.rb', line 110 def drop_first case when required.any? || optional.any? || rest self.class.new( required: required.any? ? required.drop(1) : [], optional: required.empty? && optional.any? ? optional.drop(1) : optional, rest: required.empty? && optional.empty? ? nil : rest, required_keywords: required_keywords, optional_keywords: optional_keywords, rest_keywords: rest_keywords ) when has_keywords? without_keywords else raise "Cannot drop from empty params" end end |
#each_extra_argument(args) ⇒ Object
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# File 'lib/steep/interface/method_type.rb', line 136 def each_extra_argument(args) return if rest if has_keywords? args = args.take(args.count - 1) if args.count > 0 end args.size.times do |index| if index >= required.count + optional.count yield index end end end |
#each_extra_keyword(args) ⇒ Object
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# File 'lib/steep/interface/method_type.rb', line 162 def each_extra_keyword(args) return unless has_keywords? return if rest_keywords keywords, rest = extract_keywords(args) return unless rest.empty? all_keywords = flat_keywords keywords.each do |keyword, _| yield keyword unless all_keywords.key?(keyword) end end |
#each_missing_argument(args) ⇒ Object
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# File 'lib/steep/interface/method_type.rb', line 128 def each_missing_argument(args) required.size.times do |index| if index >= args.size yield index end end end |
#each_missing_keyword(args) ⇒ Object
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# File 'lib/steep/interface/method_type.rb', line 150 def each_missing_keyword(args) return unless has_keywords? keywords, rest = extract_keywords(args) return unless rest.empty? required_keywords.each do |keyword, _| yield keyword unless keywords.key?(keyword) end end |
#each_type ⇒ Object
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# File 'lib/steep/interface/method_type.rb', line 199 def each_type() if block_given? flat_unnamed_params.each do |(_, type)| yield type end flat_keywords.each do |_, type| yield type end rest and yield rest rest_keywords and yield rest_keywords else enum_for :each_type end end |
#empty? ⇒ Boolean
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# File 'lib/steep/interface/method_type.rb', line 262 def empty? !has_positional? && !has_keywords? end |
#extract_keywords(args) ⇒ Object
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# File 'lib/steep/interface/method_type.rb', line 176 def extract_keywords(args) last_arg = args.last keywords = {} rest = [] if last_arg&.type == :hash last_arg.children.each do |element| case element.type when :pair if element.children[0].type == :sym name = element.children[0].children[0] keywords[name] = element.children[1] end when :kwsplat rest << element.children[0] end end end [keywords, rest] end |
#first_param ⇒ Object
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# File 'lib/steep/interface/method_type.rb', line 36 def first_param case when !required.empty? RequiredPositional.new(required[0]) when !optional.empty? OptionalPositional.new(optional[0]) when rest RestPositional.new(rest) else nil end end |
#flat_keywords ⇒ Object
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# File 'lib/steep/interface/method_type.rb', line 91 def flat_keywords required_keywords.merge optional_keywords end |
#flat_unnamed_params ⇒ Object
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# File 'lib/steep/interface/method_type.rb', line 87 def flat_unnamed_params required.map {|p| [:required, p] } + optional.map {|p| [:optional, p] } end |
#free_variables ⇒ Object
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# File 'lib/steep/interface/method_type.rb', line 214 def free_variables Set.new.tap do |fvs| each_type do |type| fvs.merge type.free_variables end end end |
#has_keywords? ⇒ Boolean
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# File 'lib/steep/interface/method_type.rb', line 95 def has_keywords? !required_keywords.empty? || !optional_keywords.empty? || rest_keywords end |
#has_positional? ⇒ Boolean
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# File 'lib/steep/interface/method_type.rb', line 62 def has_positional? first_param end |
#map_type(&block) ⇒ Object
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# File 'lib/steep/interface/method_type.rb', line 251 def map_type(&block) self.class.new( required: required.map(&block), optional: optional.map(&block), rest: rest && yield(rest), required_keywords: required_keywords.transform_values(&block), optional_keywords: optional_keywords.transform_values(&block), rest_keywords: rest_keywords && yield(rest_keywords) ) end |
#size ⇒ Object
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# File 'lib/steep/interface/method_type.rb', line 237 def size required.size + optional.size + (rest ? 1 : 0) + required_keywords.size + optional_keywords.size + (rest_keywords ? 1 : 0) end |
#subst(s) ⇒ Object
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# File 'lib/steep/interface/method_type.rb', line 226 def subst(s) self.class.new( required: required.map {|t| t.subst(s) }, optional: optional.map {|t| t.subst(s) }, rest: rest&.subst(s), required_keywords: required_keywords.transform_values {|t| t.subst(s) }, optional_keywords: optional_keywords.transform_values {|t| t.subst(s) }, rest_keywords: rest_keywords&.subst(s) ) end |
#to_s ⇒ Object
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# File 'lib/steep/interface/method_type.rb', line 241 def to_s required = self.required.map {|ty| ty.to_s } optional = self.optional.map {|ty| "?#{ty}" } rest = self.rest ? ["*#{self.rest}"] : [] required_keywords = self.required_keywords.map {|name, type| "#{name}: #{type}" } optional_keywords = self.optional_keywords.map {|name, type| "?#{name}: #{type}"} rest_keywords = self.rest_keywords ? ["**#{self.rest_keywords}"] : [] "(#{(required + optional + rest + required_keywords + optional_keywords + rest_keywords).join(", ")})" end |
#update(required: NONE, optional: NONE, rest: NONE, required_keywords: NONE, optional_keywords: NONE, rest_keywords: NONE) ⇒ Object
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# File 'lib/steep/interface/method_type.rb', line 21 def update(required: NONE, optional: NONE, rest: NONE, required_keywords: NONE, optional_keywords: NONE, rest_keywords: NONE) self.class.new( required: required.equal?(NONE) ? self.required : required, optional: optional.equal?(NONE) ? self.optional : optional, rest: rest.equal?(NONE) ? self.rest : rest, required_keywords: required_keywords.equal?(NONE) ? self.required_keywords : required_keywords, optional_keywords: optional_keywords.equal?(NONE) ? self.optional_keywords : optional_keywords, rest_keywords: rest_keywords.equal?(NONE) ? self.rest_keywords : rest_keywords ) end |
#with_first_param(param) ⇒ Object
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# File 'lib/steep/interface/method_type.rb', line 49 def with_first_param(param) case param when RequiredPositional update(required: [param.type] + required) when OptionalPositional update(optional: [param.type] + required) when RestPositional update(rest: param.type) else self end end |
#without_keywords ⇒ Object
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# File 'lib/steep/interface/method_type.rb', line 99 def without_keywords self.class.new( required: required, optional: optional, rest: rest, required_keywords: {}, optional_keywords: {}, rest_keywords: nil ) end |
#|(other) ⇒ Object
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# File 'lib/steep/interface/method_type.rb', line 266 def |(other) a = first_param b = other.first_param case when a.is_a?(RequiredPositional) && b.is_a?(RequiredPositional) AST::Types::Union.build(types: [a.type, b.type]).yield_self do |type| (self.drop_first | other.drop_first).with_first_param(RequiredPositional.new(type)) end when a.is_a?(RequiredPositional) && b.is_a?(OptionalPositional) AST::Types::Union.build(types: [a.type, b.type]).yield_self do |type| (self.drop_first | other.drop_first).with_first_param(OptionalPositional.new(type)) end when a.is_a?(RequiredPositional) && b.is_a?(RestPositional) AST::Types::Union.build(types: [a.type, b.type]).yield_self do |type| (self.drop_first | other).with_first_param(OptionalPositional.new(type)) end when a.is_a?(RequiredPositional) && b.nil? (self.drop_first | other).with_first_param(OptionalPositional.new(a.type)) when a.is_a?(OptionalPositional) && b.is_a?(RequiredPositional) AST::Types::Union.build(types: [a.type, b.type]).yield_self do |type| (self.drop_first | other.drop_first).with_first_param(OptionalPositional.new(type)) end when a.is_a?(OptionalPositional) && b.is_a?(OptionalPositional) AST::Types::Union.build(types: [a.type, b.type]).yield_self do |type| (self.drop_first | other.drop_first).with_first_param(OptionalPositional.new(type)) end when a.is_a?(OptionalPositional) && b.is_a?(RestPositional) AST::Types::Union.build(types: [a.type, b.type]).yield_self do |type| (self.drop_first | other).with_first_param(OptionalPositional.new(type)) end when a.is_a?(OptionalPositional) && b.nil? (self.drop_first | other).with_first_param(OptionalPositional.new(a.type)) when a.is_a?(RestPositional) && b.is_a?(RequiredPositional) AST::Types::Union.build(types: [a.type, b.type]).yield_self do |type| (self | other.drop_first).with_first_param(OptionalPositional.new(type)) end when a.is_a?(RestPositional) && b.is_a?(OptionalPositional) AST::Types::Union.build(types: [a.type, b.type]).yield_self do |type| (self | other.drop_first).with_first_param(OptionalPositional.new(type)) end when a.is_a?(RestPositional) && b.is_a?(RestPositional) AST::Types::Union.build(types: [a.type, b.type]).yield_self do |type| (self.drop_first | other.drop_first).with_first_param(RestPositional.new(type)) end when a.is_a?(RestPositional) && b.nil? (self.drop_first | other).with_first_param(RestPositional.new(a.type)) when a.nil? && b.is_a?(RequiredPositional) (self | other.drop_first).with_first_param(OptionalPositional.new(b.type)) when a.nil? && b.is_a?(OptionalPositional) (self | other.drop_first).with_first_param(OptionalPositional.new(b.type)) when a.nil? && b.is_a?(RestPositional) (self | other.drop_first).with_first_param(RestPositional.new(b.type)) when a.nil? && b.nil? required_keywords = {} (Set.new(self.required_keywords.keys) & Set.new(other.required_keywords.keys)).each do |keyword| required_keywords[keyword] = AST::Types::Union.build( types: [ self.required_keywords[keyword], other.required_keywords[keyword] ] ) end optional_keywords = {} self.required_keywords.each do |keyword, t| unless required_keywords.key?(keyword) case when other.optional_keywords.key?(keyword) optional_keywords[keyword] = AST::Types::Union.build(types: [t, other.optional_keywords[keyword]]) when other.rest_keywords optional_keywords[keyword] = AST::Types::Union.build(types: [t, other.rest_keywords]) else optional_keywords[keyword] = t end end end other.required_keywords.each do |keyword, t| unless required_keywords.key?(keyword) case when self.optional_keywords.key?(keyword) optional_keywords[keyword] = AST::Types::Union.build(types: [t, self.optional_keywords[keyword]]) when self.rest_keywords optional_keywords[keyword] = AST::Types::Union.build(types: [t, self.rest_keywords]) else optional_keywords[keyword] = t end end end self.optional_keywords.each do |keyword, t| unless optional_keywords.key?(keyword) case when other.optional_keywords.key?(keyword) optional_keywords[keyword] = AST::Types::Union.build(types: [t, other.optional_keywords[keyword]]) when other.rest_keywords optional_keywords[keyword] = AST::Types::Union.build(types: [t, other.rest_keywords]) else optional_keywords[keyword] = t end end end other.optional_keywords.each do |keyword, t| unless optional_keywords.key?(keyword) case when self.optional_keywords.key?(keyword) optional_keywords[keyword] = AST::Types::Union.build(types: [t, self.optional_keywords[keyword]]) when self.rest_keywords optional_keywords[keyword] = AST::Types::Union.build(types: [t, self.rest_keywords]) else optional_keywords[keyword] = t end end end rest = case when self.rest_keywords && other.rest_keywords AST::Types::Union.build(types: [self.rest_keywords, other.rest_keywords]) else self.rest_keywords || other.rest_keywords end Params.new( required: [], optional: [], rest: nil, required_keywords: required_keywords, optional_keywords: optional_keywords, rest_keywords: rest) end end |