Add bin and edit workflow

bin/gems/sass-embedded-1.104.1-x86_64-linux-gnu/lib/sass/compiler/session.rb

@@ -0,0 +1,233 @@
+# frozen_string_literal: true
+
+require_relative 'session/function_registry'
+require_relative 'session/importer_registry'
+require_relative 'session/logger_registry'
+require_relative 'session/path'
+require_relative 'session/protofier'
+require_relative 'session/stack_trace'
+require_relative 'session/struct'
+
+module Sass
+  class Compiler
+    # The {Session} class.
+    #
+    # It communicates with {Dispatcher} and handles the host logic.
+    class Session
+      attr_writer :backtrace
+
+      def initialize(channel)
+        @channel = channel
+        @backtrace = nil
+      end
+
+      def compile_request(path:,
+                          source:,
+                          importer:,
+                          load_paths:,
+                          syntax:,
+                          url:,
+                          charset:,
+                          source_map:,
+                          source_map_include_sources:,
+                          style:,
+                          functions:,
+                          importers:,
+                          alert_ascii:,
+                          alert_color:,
+                          fatal_deprecations:,
+                          future_deprecations:,
+                          logger:,
+                          quiet_deps:,
+                          silence_deprecations:,
+                          verbose:)
+        alert_color = Exception.to_tty? if alert_color.nil?
+
+        @function_registry = FunctionRegistry.new(functions, session: self)
+        @importer_registry = ImporterRegistry.new(importers, load_paths, session: self)
+        @logger_registry = LoggerRegistry.new(logger)
+
+        compile_request = EmbeddedProtocol::InboundMessage::CompileRequest.new(
+          string: unless source.nil?
+                    EmbeddedProtocol::InboundMessage::CompileRequest::StringInput.new(
+                      source: source.to_str,
+                      url: url&.to_s,
+                      syntax: @importer_registry.syntax_to_proto(syntax),
+                      importer: (@importer_registry.register(importer) unless importer.nil?)
+                    )
+                  end,
+          path: (File.absolute_path(path) unless path.nil?),
+          style: case style&.to_sym
+                 when :expanded
+                   EmbeddedProtocol::OutputStyle::EXPANDED
+                 when :compressed
+                   EmbeddedProtocol::OutputStyle::COMPRESSED
+                 else
+                   raise ArgumentError, 'style must be one of :expanded, :compressed'
+                 end,
+          charset:,
+          source_map:,
+          source_map_include_sources:,
+          importers: @importer_registry.importers,
+          global_functions: @function_registry.global_functions,
+          alert_ascii:,
+          alert_color:,
+          fatal_deprecation: fatal_deprecations.map(&:to_s),
+          future_deprecation: future_deprecations.map(&:to_s),
+          quiet_deps:,
+          silent: logger == Logger.silent,
+          silence_deprecation: silence_deprecations.map(&:to_s),
+          verbose:
+        )
+
+        compile_response = await do
+          send_message(compile_request:)
+        end
+
+        oneof = compile_response.result
+        result = compile_response.public_send(oneof)
+        case oneof
+        when :failure
+          compile_error = CompileError.new(
+            result.message,
+            result.formatted == '' ? nil : StackTrace.pretty_formatted!(+result.formatted, result.stack_trace),
+            result.stack_trace == '' ? nil : result.stack_trace,
+            result.span.nil? ? nil : Logger::SourceSpan.new(result.span),
+            compile_response.loaded_urls.to_a
+          )
+          compile_error.set_backtrace(@backtrace) unless @backtrace.nil?
+          raise compile_error
+        when :success
+          CompileResult.new(
+            result.css,
+            result.source_map == '' ? nil : result.source_map,
+            compile_response.loaded_urls.to_a
+          )
+        else
+          raise ArgumentError, "Unknown CompileResponse.result #{result}"
+        end
+      end
+
+      def version_request
+        version_response = await0 do
+          send_message0(version_request: EmbeddedProtocol::InboundMessage::VersionRequest.new(
+            id:
+          ))
+        end
+
+        info = [
+          version_response.implementation_name,
+          version_response.implementation_version,
+          '(Sass Compiler)'
+        ]
+
+        case version_response.implementation_name
+        when 'dart-sass'
+          info << (File.basename(CLI::COMMAND.first, '.exe') == 'node' ? '[JavaScript]' : '[Dart]')
+        end
+
+        info
+      end
+
+      def compile_response(message)
+        @result = message
+        @queue.close
+      end
+
+      def version_response(message)
+        @result = message
+        @queue.close
+      end
+
+      def error(message)
+        case message
+        when EmbeddedProtocol::ProtocolError
+          raise Errno::EPROTO, message.message
+        else
+          @error ||= message
+          @queue.close
+        end
+      end
+
+      def log_event(message)
+        @logger_registry.log(message)
+      end
+
+      def canonicalize_request(message)
+        send_message(canonicalize_response: @importer_registry.canonicalize(message))
+      end
+
+      def import_request(message)
+        send_message(import_response: @importer_registry.import(message))
+      end
+
+      def file_import_request(message)
+        send_message(file_import_response: @importer_registry.file_import(message))
+      end
+
+      def function_call_request(message)
+        send_message(function_call_response: @function_registry.function_call(message))
+      end
+
+      def receive_proto(proto)
+        @queue.push(proto)
+      end
+
+      private
+
+      def await0
+        listen do
+          yield
+
+          @queue.pop
+        end
+      end
+
+      def await
+        listen do
+          yield
+
+          while (proto = @queue.pop)
+            outbound_message = EmbeddedProtocol::OutboundMessage.decode(proto)
+            oneof = outbound_message.message
+            message = outbound_message.public_send(oneof)
+            public_send(oneof, message)
+          end
+        rescue Exception => e # rubocop:disable Lint/RescueException
+          @stream.error(e)
+          raise
+        end
+      end
+
+      def listen
+        @queue = Queue.new
+        @stream = @channel.stream(self)
+
+        yield
+
+        raise @error if @error
+
+        @result
+      ensure
+        @stream&.close
+        @queue&.close
+      end
+
+      def id
+        @stream.id
+      end
+
+      def send_message0(...)
+        inbound_message = EmbeddedProtocol::InboundMessage.new(...)
+        @stream.send_proto(0, EmbeddedProtocol::InboundMessage.encode(inbound_message))
+      end
+
+      def send_message(...)
+        inbound_message = EmbeddedProtocol::InboundMessage.new(...)
+        @stream.send_proto(id, EmbeddedProtocol::InboundMessage.encode(inbound_message))
+      end
+    end
+
+    private_constant :Session
+  end
+end