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Contents
module Mirah
module AST
begin
java_import 'mirah.impl.MirahParser'
rescue NameError
$CLASSPATH << File.dirname(__FILE__) + '/../../../javalib/mirah-parser.jar'
java_import 'mirah.impl.MirahParser'
end
java_import 'jmeta.ErrorHandler'
class MirahErrorHandler
include ErrorHandler
def warning(messages, positions)
print "Warning: "
messages.each_with_index do |message, i|
jpos = positions[i]
if jpos
dpos = Mirah::Transform::Transformer::JMetaPosition.new(jpos, jpos)
print "#{message} at "
Mirah.print_error("", dpos)
else
print message
end
end
end
end
def parse(src, filename='dash_e', raise_errors=false, transformer=nil)
ast = parse_ruby(src, filename)
transformer ||= Transform::Transformer.new(Mirah::Util::CompilationState.new)
transformer.filename = filename
ast = transformer.transform(ast, nil)
if raise_errors
transformer.errors.each do |e|
raise e.cause || e
end
end
ast
end
module_function :parse
def parse_ruby(src, filename='-')
raise ArgumentError if src.nil?
parser = MirahParser.new
parser.filename = filename
parser.errorHandler = MirahErrorHandler.new
begin
parser.parse(src)
rescue => ex
if ex.cause.kind_of? Java::Jmeta::SyntaxError
ex = SyntaxError.wrap ex.cause, nil
end
if ex.cause.respond_to? :position
position = ex.cause.position
Mirah.print_error(ex.cause.message, position)
end
raise ex
end
end
module_function :parse_ruby
end
end
Version data entries
5 entries across 5 versions & 1 rubygems