Class: MilkTea::ImportedBindings::Generator

Inherits:
Object
  • Object
show all
Includes:
GeneratorMethodSource, GeneratorNaming, GeneratorPolicy
Defined in:
lib/milk_tea/bindings/imported_bindings.rb,
lib/milk_tea/bindings/imported_bindings/naming.rb,
lib/milk_tea/bindings/imported_bindings/generator.rb,
lib/milk_tea/bindings/imported_bindings/method_source.rb

Defined Under Namespace

Modules: GeneratorMethodSource, GeneratorNaming, GeneratorPolicy Classes: MethodSource

Constant Summary

Constants included from GeneratorNaming

GeneratorNaming::OPENGL_DOMAIN_MARKERS, GeneratorNaming::OPENGL_INDEXED_PARAM_NAMES, GeneratorNaming::OPENGL_NUMERIC_SUFFIX_CONTEXTS, GeneratorNaming::OPENGL_TYPED_ALPHA_STEMS, GeneratorNaming::OPENGL_TYPED_QUERY_BASES, GeneratorNaming::OPENGL_TYPED_SUFFIX_TOKENS

Instance Method Summary collapse

Constructor Details

#initialize(module_name:, raw_module_name:, raw_module_path:, policy_path:, import_alias:, module_roots:) ⇒ Generator

Returns a new instance of Generator.



139
140
141
142
143
144
145
146
147
148
149
150
 
# File 'lib/milk_tea/bindings/imported_bindings.rb', line 139

def initialize(module_name:, raw_module_name:, raw_module_path:, policy_path:, import_alias:, module_roots:)
  @module_name = module_name
  @raw_module_name = raw_module_name
  @raw_module_path = File.expand_path(raw_module_path)
  @policy_path = File.expand_path(policy_path)
  @import_alias = import_alias
  @module_roots = module_roots.map { |root| File.expand_path(root.to_s) }
  @public_type_names_by_raw_name = {}
  @public_type_kinds_by_raw_name = {}
  @raw_function_declarations = {}
  @raw_type_declarations = {}
end

Instance Method Details

#generate ⇒ Object 



152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
 
# File 'lib/milk_tea/bindings/imported_bindings.rb', line 152

def generate
  policy = load_policy
  validate_policy!(policy)

  raw_ast = ModuleLoader.new(module_roots: @module_roots).load_file(@raw_module_path)
  validate_raw_module!(raw_ast)
  declarations = index_raw_declarations(raw_ast)
  import_specs = raw_import_specs(raw_ast)
  validate_import_specs!(import_specs)
  extra_import_specs = policy_import_specs(policy)
  type_spec = normalize_alias_spec(policy["types"], context: "type")
  @native_type_mapping = type_spec[:native_types]
  const_spec = normalize_alias_spec(policy["constants"], context: "constant")
  function_spec = normalize_function_spec(policy["functions"])
  method_specs = normalize_method_specs(policy["methods"])
  method_sources = load_method_sources(method_specs)
  @raw_function_declarations = declarations[:functions]
  @raw_type_declarations = declarations[:types]
  @public_type_names_by_raw_name = build_public_type_names(type_spec, declarations)
  function_entries = plan_foreign_functions(function_spec, declarations)
  generated_import_specs = merge_import_specs(raw_import_specs(raw_ast), extra_import_specs, method_source_import_specs(method_sources))
  validate_import_specs!(generated_import_specs)
  const_lines = emit_const_aliases(const_spec, declarations)
  function_lines = emit_foreign_functions(function_entries)
  method_lines = emit_methods(method_specs, function_entries, declarations, method_sources:)
  type_lines = emit_type_aliases(
    type_spec,
    declarations,
    referenced_lines: const_lines + function_lines + method_lines,
    method_sources:,
  )

  lines = []
  lines << "# generated by mtc imported-bindings from #{@raw_module_name} using #{policy_label}"
  lines << ""
  lines << "import #{@raw_module_name} as #{@import_alias}"
  generated_import_specs.each do |spec|
    lines << "import #{spec[:module_name]} as #{spec[:alias]}"
  end

  sections = [
    type_lines,
    const_lines,
    function_lines,
    method_lines,
  ].reject(&:empty?)

  sections.each do |section_lines|
    lines << ""
    lines.concat(section_lines)
  end

  source = lines.join("\n") + "\n"
  Formatter.format_source(source, path: generated_module_path, mode: :tidy)
end