Class: RBS::Locator
- Inherits:
-
Object
- Object
- RBS::Locator
- Defined in:
- lib/rbs/locator.rb
Instance Attribute Summary collapse
-
#decls ⇒ Object
readonly
Returns the value of attribute decls.
Instance Method Summary collapse
- #buffer ⇒ Object
- #find(line:, column:) ⇒ Object
- #find2(line:, column:) ⇒ Object
- #find_in_decl(pos, decl:, array:) ⇒ Object
- #find_in_loc(pos, location:, array:) ⇒ Object
- #find_in_member(pos, member:, array:) ⇒ Object
- #find_in_method_type(pos, method_type:, array:) ⇒ Object
- #find_in_type(pos, type:, array:) ⇒ Object
- #find_in_type_param(pos, type_param:, array:) ⇒ Object
-
#initialize(decls:) ⇒ Locator
constructor
A new instance of Locator.
- #test_loc(pos, location:) ⇒ Object
Constructor Details
#initialize(decls:) ⇒ Locator
Returns a new instance of Locator.
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# File 'lib/rbs/locator.rb', line 7 def initialize(decls:) @decls = decls end |
Instance Attribute Details
#decls ⇒ Object (readonly)
Returns the value of attribute decls.
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# File 'lib/rbs/locator.rb', line 5 def decls @decls end |
Instance Method Details
#buffer ⇒ Object
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# File 'lib/rbs/locator.rb', line 11 def buffer decls[0].location&.buffer or raise end |
#find(line:, column:) ⇒ Object
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# File 'lib/rbs/locator.rb', line 15 def find(line:, column:) pos = buffer.loc_to_pos([line, column]) decls.each do |decl| array = [] find_in_decl(pos, decl: decl, array: array) and return array end [] end |
#find2(line:, column:) ⇒ Object
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# File 'lib/rbs/locator.rb', line 26 def find2(line:, column:) path = find(line: line, column: column) return if path.empty? hd, *tl = path if hd.is_a?(Symbol) [hd, tl] else [nil, path] end end |
#find_in_decl(pos, decl:, array:) ⇒ Object
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# File 'lib/rbs/locator.rb', line 39 def find_in_decl(pos, decl:, array:) if test_loc(pos, location: decl.location) array.unshift(decl) case decl when AST::Declarations::Class decl.type_params.each do |param| find_in_type_param(pos, type_param: param, array: array) and return true end if super_class = decl.super_class if test_loc(pos, location: super_class.location) array.unshift(super_class) find_in_loc(pos, array: array, location: super_class.location) return true end end decl.each_decl do |decl_| find_in_decl(pos, decl: decl_, array: array) and return true end decl.each_member do |member| find_in_member(pos, array: array, member: member) and return true end when AST::Declarations::Module decl.type_params.each do |param| find_in_type_param(pos, type_param: param, array: array) and return true end decl.self_types.each do |self_type| if test_loc(pos, location: self_type.location) array.unshift(self_type) find_in_loc(pos, array: array, location: self_type.location) return true end end decl.each_decl do |decl_| find_in_decl(pos, decl: decl_, array: array) and return true end decl.each_member do |member| find_in_member(pos, array: array, member: member) and return true end when AST::Declarations::Interface decl.type_params.each do |param| find_in_type_param(pos, type_param: param, array: array) and return true end decl.members.each do |member| find_in_member(pos, array: array, member: member) and return true end when AST::Declarations::Constant, AST::Declarations::Global find_in_type(pos, array: array, type: decl.type) and return true when AST::Declarations::Alias find_in_type(pos, array: array, type: decl.type) and return true end find_in_loc(pos, location: decl.location, array: array) true else false end end |
#find_in_loc(pos, location:, array:) ⇒ Object
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# File 'lib/rbs/locator.rb', line 184 def find_in_loc(pos, location:, array:) if test_loc(pos, location: location) if location.is_a?(Location) location.each_optional_key do |key| if loc = location[key] if loc.range === pos array.unshift(key) return true end end end location.each_required_key do |key| loc = location[key] or raise if loc.range === pos array.unshift(key) return true end end end true else false end end |
#find_in_member(pos, member:, array:) ⇒ Object
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# File 'lib/rbs/locator.rb', line 110 def find_in_member(pos, member:, array:) if test_loc(pos, location: member.location) array.unshift(member) case member when AST::Members::MethodDefinition member.types.each do |method_type| find_in_method_type(pos, array: array, method_type: method_type) and return true end when AST::Members::InstanceVariable, AST::Members::ClassInstanceVariable, AST::Members::ClassVariable find_in_type(pos, array: array, type: member.type) and return true when AST::Members::AttrReader, AST::Members::AttrWriter, AST::Members::AttrAccessor find_in_type(pos, array: array, type: member.type) and return true end find_in_loc(pos, location: member.location, array: array) true else false end end |
#find_in_method_type(pos, method_type:, array:) ⇒ Object
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# File 'lib/rbs/locator.rb', line 133 def find_in_method_type(pos, method_type:, array:) if test_loc(pos, location: method_type.location) array.unshift(method_type) method_type.type_params.each do |param| find_in_type_param(pos, type_param: param, array: array) and return true end method_type.each_type do |type| find_in_type(pos, array: array, type: type) and break end true else false end end |
#find_in_type(pos, type:, array:) ⇒ Object
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# File 'lib/rbs/locator.rb', line 168 def find_in_type(pos, type:, array:) if test_loc(pos, location: type.location) array.unshift(type) type.each_type do |type_| find_in_type(pos, array: array, type: type_) and return true end find_in_loc(pos, array: array, location: type.location) true else false end end |
#find_in_type_param(pos, type_param:, array:) ⇒ Object
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# File 'lib/rbs/locator.rb', line 151 def find_in_type_param(pos, type_param:, array:) if test_loc(pos, location: type_param.location) array.unshift(type_param) if upper_bound = type_param.upper_bound find_in_type(pos, type: upper_bound, array: array) or find_in_loc(pos, location: type_param.location, array: array) else find_in_loc(pos, location: type_param.location, array: array) end true else false end end |
#test_loc(pos, location:) ⇒ Object
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# File 'lib/rbs/locator.rb', line 211 def test_loc(pos, location:) if location location.range === pos else false end end |