feat: add Swift, Dart, and Elixir API client generators

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: mridang

src/main/java/io/github/mridang/codegen/generators/dart/BetterDartCodegen.java

@@ -7,3 +7,6 @@ io.github.mridang.codegen.generators.csharp.BetterCSharpCodegen
 io.github.mridang.codegen.generators.go.BetterGoCodegen
 io.github.mridang.codegen.generators.kotlin.BetterKotlinCodegen
 io.github.mridang.codegen.generators.rust.BetterRustCodegen
+io.github.mridang.codegen.generators.swift.BetterSwiftCodegen
+io.github.mridang.codegen.generators.dart.BetterDartCodegen
+io.github.mridang.codegen.generators.elixir.BetterElixirCodegen

src/main/java/io/github/mridang/codegen/generators/elixir/BetterElixirCodegen.java

@@ -0,0 +1,70 @@
+# Dart reserved words and keywords
+# Source: https://dart.dev/language/keywords
+abstract
+as
+assert
+async
+await
+base
+break
+case
+catch
+class
+const
+continue
+covariant
+default
+deferred
+do
+dynamic
+else
+enum
+export
+extends
+extension
+external
+factory
+false
+final
+finally
+for
+Function
+get
+hide
+if
+implements
+import
+in
+interface
+is
+late
+library
+mixin
+new
+null
+of
+on
+operator
+part
+required
+rethrow
+return
+sealed
+set
+show
+static
+super
+switch
+sync
+this
+throw
+true
+try
+type
+typedef
+var
+void
+when
+while
+with
+yield

src/main/java/io/github/mridang/codegen/generators/swift/BetterSwiftCodegen.java

@@ -0,0 +1,50 @@
+# Elixir reserved words and keywords
+# Source: https://hexdocs.pm/elixir/syntax-reference.html
+after
+alias
+and
+case
+catch
+cond
+def
+defdelegate
+defexception
+defguard
+defguardp
+defimpl
+defmacro
+defmacrop
+defmodule
+defoverridable
+defp
+defprotocol
+defstruct
+do
+else
+end
+false
+fn
+for
+if
+import
+in
+nil
+not
+or
+quote
+raise
+receive
+require
+rescue
+self
+super
+then
+throw
+true
+try
+unless
+unquote
+unquote_splicing
+use
+when
+with

src/main/resources/META-INF/services/org.openapitools.codegen.CodegenConfig

@@ -0,0 +1,105 @@
+# Swift reserved words and keywords
+# Source: https://docs.swift.org/swift-book/documentation/the-swift-programming-language/lexicalstructure/
+Any
+Protocol
+Self
+Type
+actor
+any
+as
+associatedtype
+async
+await
+borrowing
+break
+case
+catch
+class
+consume
+consuming
+continue
+convenience
+default
+defer
+deinit
+didSet
+discard
+distributed
+do
+dynamic
+each
+else
+enum
+extension
+fallthrough
+false
+fileprivate
+final
+for
+func
+get
+guard
+if
+import
+in
+indirect
+infix
+init
+inout
+internal
+is
+isolated
+lazy
+left
+let
+macro
+mutating
+nil
+nonisolated
+nonmutating
+nonsending
+none
+open
+operator
+optional
+override
+package
+postfix
+precedencegroup
+preconcurrency
+prefix
+private
+protocol
+public
+read
+repeat
+required
+rethrows
+return
+retroactive
+right
+safe
+self
+sending
+set
+some
+static
+struct
+subscript
+super
+switch
+then
+throw
+throws
+true
+try
+typealias
+unchecked
+unowned
+unsafe
+var
+weak
+where
+while
+willSet
+yield

src/main/resources/reserved-words/dart.txt

@@ -0,0 +1,46 @@
+include: package:lints/recommended.yaml
+
+analyzer:
+  errors:
+    todo: ignore
+  language:
+    strict-casts: true
+    strict-inference: true
+    strict-raw-types: true
+
+linter:
+  rules:
+    - always_declare_return_types
+    - annotate_overrides
+    - avoid_empty_else
+    - avoid_print
+    - avoid_relative_lib_imports
+    - avoid_returning_null_for_future
+    - avoid_types_as_parameter_names
+    - avoid_unused_constructor_parameters
+    - camel_case_types
+    - cancel_subscriptions
+    - constant_identifier_names
+    - curly_braces_in_flow_control_structures
+    - directives_ordering
+    - empty_catches
+    - empty_constructor_bodies
+    - library_names
+    - library_prefixes
+    - no_duplicate_case_values
+    - null_closures
+    - prefer_const_constructors
+    - prefer_const_declarations
+    - prefer_final_fields
+    - prefer_final_locals
+    - prefer_is_empty
+    - prefer_is_not_empty
+    - prefer_single_quotes
+    - sort_child_properties_last
+    - type_init_formals
+    - unnecessary_const
+    - unnecessary_new
+    - unnecessary_null_in_if_null_operators
+    - unnecessary_this
+    - unrelated_type_equality_checks
+    - use_rethrow_when_possible