Class: RBS::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/rbs/parser_aux.rb,
ext/rbs_extension/parser.c

Defined Under Namespace

Classes: LocatedValue

Constant Summary collapse

KEYWORDS = 
%w(
bool
bot
class
instance
interface
nil
self
singleton
top
void
type
unchecked
in
out
end
def
include
extend
prepend
alias
module
attr_reader
attr_writer
attr_accessor
public
private
untyped
true
false
).each_with_object({}) do |keyword, hash|
  hash[keyword] = nil
end
LexerError = 
RBS::ParsingError
SyntaxError = 
RBS::ParsingError
SemanticsError = 
RBS::ParsingError

Class Method Summary collapse

Class Method Details

._parse_method_type(buffer, start_pos, end_pos, variables, requires_eof) ⇒ Object 



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# File 'ext/rbs_extension/parser.c', line 2524

static VALUE
rbsparser_parse_method_type(VALUE self, VALUE buffer, VALUE start_pos, VALUE end_pos, VALUE variables, VALUE requires_eof)
{
  parserstate *parser = alloc_parser(buffer, FIX2INT(start_pos), FIX2INT(end_pos), variables);

  if (parser->next_token.type == pEOF) {
    return Qnil;
  }

  VALUE method_type = parse_method_type(parser);

  if (RTEST(requires_eof)) {
    parser_advance_assert(parser, pEOF);
  }

  free_parser(parser);

  return method_type;
}

._parse_signature(buffer, end_pos) ⇒ Object 



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# File 'ext/rbs_extension/parser.c', line 2544

static VALUE
rbsparser_parse_signature(VALUE self, VALUE buffer, VALUE end_pos)
{
  parserstate *parser = alloc_parser(buffer, 0, FIX2INT(end_pos), Qnil);
  VALUE signature = parse_signature(parser);
  free_parser(parser);

  return signature;
}

._parse_type(buffer, start_pos, end_pos, variables, requires_eof) ⇒ Object 



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# File 'ext/rbs_extension/parser.c', line 2504

static VALUE
rbsparser_parse_type(VALUE self, VALUE buffer, VALUE start_pos, VALUE end_pos, VALUE variables, VALUE requires_eof)
{
  parserstate *parser = alloc_parser(buffer, FIX2INT(start_pos), FIX2INT(end_pos), variables);

  if (parser->next_token.type == pEOF) {
    return Qnil;
  }

  VALUE type = parse_type(parser);

  if (RTEST(requires_eof)) {
    parser_advance_assert(parser, pEOF);
  }

  free_parser(parser);

  return type;
}

.buffer(source) ⇒ Object 



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# File 'lib/rbs/parser_aux.rb', line 20

def self.buffer(source)
  case source
  when String
    Buffer.new(content: source, name: "a.rbs")
  when Buffer
    source
  end
end

.parse_method_type(source, line: nil, column: nil, range: nil, variables: []) ⇒ Object 



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# File 'lib/rbs/parser_aux.rb', line 10

def self.parse_method_type(source, line: nil, column: nil, range: nil, variables: [])
  buf = buffer(source)
  _parse_method_type(buf, range&.begin || 0, range&.end || buf.last_position, variables, range.nil?)
end

.parse_signature(source, line: nil, column: nil) ⇒ Object 



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# File 'lib/rbs/parser_aux.rb', line 15

def self.parse_signature(source, line: nil, column: nil)
  buf = buffer(source)
  _parse_signature(buf, buf.last_position)
end

.parse_type(source, line: nil, column: nil, range: nil, variables: []) ⇒ Object 



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# File 'lib/rbs/parser_aux.rb', line 5

def self.parse_type(source, line: nil, column: nil, range: nil, variables: [])
  buf = buffer(source)
  _parse_type(buf, range&.begin || 0, range&.end || buf.last_position, variables, range.nil?)
end