diff options
Diffstat (limited to 'lib/prism/ffi.rb')
| -rw-r--r-- | lib/prism/ffi.rb | 62 |
1 files changed, 53 insertions, 9 deletions
diff --git a/lib/prism/ffi.rb b/lib/prism/ffi.rb index 2014ccea31..95206680f9 100644 --- a/lib/prism/ffi.rb +++ b/lib/prism/ffi.rb @@ -72,6 +72,7 @@ module Prism end callback :pm_parse_stream_fgets_t, [:pointer, :int, :pointer], :pointer + enum :pm_string_init_result_t, %i[PM_STRING_INIT_SUCCESS PM_STRING_INIT_ERROR_GENERIC PM_STRING_INIT_ERROR_DIRECTORY] load_exported_functions_from( "prism.h", @@ -176,13 +177,26 @@ module Prism def self.with_file(filepath) raise TypeError unless filepath.is_a?(String) + # On Windows and Mac, it's expected that filepaths will be encoded in + # UTF-8. If they are not, we need to convert them to UTF-8 before + # passing them into pm_string_mapped_init. + if RbConfig::CONFIG["host_os"].match?(/bccwin|cygwin|djgpp|mingw|mswin|wince|darwin/i) && + (encoding = filepath.encoding) != Encoding::ASCII_8BIT && encoding != Encoding::UTF_8 + filepath = filepath.encode(Encoding::UTF_8) + end + FFI::MemoryPointer.new(SIZEOF) do |pm_string| - if LibRubyParser.pm_string_mapped_init(pm_string, filepath) + case (result = LibRubyParser.pm_string_mapped_init(pm_string, filepath)) + when :PM_STRING_INIT_SUCCESS pointer = LibRubyParser.pm_string_source(pm_string) length = LibRubyParser.pm_string_length(pm_string) return yield new(pointer, length, false) - else + when :PM_STRING_INIT_ERROR_GENERIC raise SystemCallError.new(filepath, FFI.errno) + when :PM_STRING_INIT_ERROR_DIRECTORY + raise Errno::EISDIR.new(filepath) + else + raise "Unknown error initializing pm_string_t: #{result.inspect}" end ensure LibRubyParser.pm_string_free(pm_string) @@ -200,8 +214,8 @@ module Prism class << self # Mirror the Prism.dump API by using the serialization API. - def dump(code, **options) - LibRubyParser::PrismString.with_string(code) { |string| dump_common(string, options) } + def dump(source, **options) + LibRubyParser::PrismString.with_string(source) { |string| dump_common(string, options) } end # Mirror the Prism.dump_file API by using the serialization API. @@ -302,6 +316,27 @@ module Prism !parse_file_success?(filepath, **options) end + # Mirror the Prism.profile API by using the serialization API. + def profile(source, **options) + LibRubyParser::PrismString.with_string(source) do |string| + LibRubyParser::PrismBuffer.with do |buffer| + LibRubyParser.pm_serialize_parse(buffer.pointer, string.pointer, string.length, dump_options(options)) + nil + end + end + end + + # Mirror the Prism.profile_file API by using the serialization API. + def profile_file(filepath, **options) + LibRubyParser::PrismString.with_file(filepath) do |string| + LibRubyParser::PrismBuffer.with do |buffer| + options[:filepath] = filepath + LibRubyParser.pm_serialize_parse(buffer.pointer, string.pointer, string.length, dump_options(options)) + nil + end + end + end + private def dump_common(string, options) # :nodoc: @@ -317,7 +352,7 @@ module Prism buffer.read end - Serialize.load_tokens(Source.new(code), serialized) + Serialize.load_tokens(Source.for(code), serialized) end def parse_common(string, code, options) # :nodoc: @@ -329,7 +364,7 @@ module Prism LibRubyParser::PrismBuffer.with do |buffer| LibRubyParser.pm_serialize_parse_comments(buffer.pointer, string.pointer, string.length, dump_options(options)) - source = Source.new(code) + source = Source.for(code) loader = Serialize::Loader.new(source, buffer.read) loader.load_header @@ -343,7 +378,7 @@ module Prism LibRubyParser::PrismBuffer.with do |buffer| LibRubyParser.pm_serialize_parse_lex(buffer.pointer, string.pointer, string.length, dump_options(options)) - source = Source.new(code) + source = Source.for(code) loader = Serialize::Loader.new(source, buffer.read) tokens = loader.load_tokens @@ -394,7 +429,7 @@ module Prism template << "L" if (encoding = options[:encoding]) - name = encoding.name + name = encoding.is_a?(Encoding) ? encoding.name : encoding values.push(name.bytesize, name.b) template << "A*" else @@ -408,7 +443,16 @@ module Prism values << dump_options_command_line(options) template << "C" - values << { nil => 0, "3.3.0" => 1, "3.4.0" => 0, "latest" => 0 }.fetch(options[:version]) + values << { nil => 0, "3.3.0" => 1, "3.3.1" => 1, "3.4.0" => 0, "latest" => 0 }.fetch(options[:version]) + + template << "C" + values << (options[:encoding] == false ? 1 : 0) + + template << "C" + values << (options.fetch(:main_script, false) ? 1 : 0) + + template << "C" + values << (options.fetch(:partial_script, false) ? 1 : 0) template << "L" if (scopes = options[:scopes]) |