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|
# 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
|
