Module: Mirah

Defined in:
lib/mirah/errors.rb,
lib/mirah.rb,
lib/mirah/ast.rb,
lib/mirah/env.rb,
lib/mirah_task.rb,
lib/mirah/typer.rb,
lib/mirah/parser.rb,
lib/mirah/version.rb,
lib/mirah/compiler.rb,
lib/mirah/ast/scope.rb,
lib/mirah/generator.rb,
lib/mirah/commands/run.rb,
lib/mirah/jvm/compiler.rb,
lib/mirah/jvm/compiler.rb,
lib/mirah/util/logging.rb,
lib/mirah/commands/base.rb,
lib/mirah/util/delegate.rb,
lib/mirah/commands/parse.rb,
lib/mirah/jvm/types/type.rb,
lib/mirah/commands/compile.rb,
lib/mirah/jvm/compiler/base.rb,
lib/mirah/jvm/method_lookup.rb,
lib/mirah/transform/ast_ext.rb,
lib/mirah/util/class_loader.rb,
lib/mirah/jvm/types/meta_type.rb,
lib/mirah/jvm/types/null_type.rb,
lib/mirah/jvm/types/void_type.rb,
lib/mirah/util/process_errors.rb,
lib/mirah/jvm/types/array_type.rb,
lib/mirah/jvm/types/block_type.rb,
lib/mirah/transform/transformer.rb,
lib/mirah/jvm/types/generic_type.rb,
lib/mirah/util/compilation_state.rb,
lib/mirah/util/argument_processor.rb,
lib/mirah/jvm/types/primitive_type.rb,
lib/mirah/jvm/compiler/jvm_bytecode.rb,
lib/mirah/jvm/types/type_definition.rb,
lib/mirah/jvm/types/implicit_nil_type.rb,
lib/mirah/jvm/types/interface_definition.rb

Overview

Copyright © 2010-2013 The Mirah project authors. All Rights Reserved. All contributing project authors may be found in the NOTICE file.

Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Defined Under Namespace

Modules: AST, Commands, Compiler, Env, JVM, Logging, Transform, Typer, Util Classes: Generator, InferenceError, InternalCompilerError, MirahError, NodeError, Parser, PathArray, SyntaxError

Constant Summary collapse

VERSION = 
"0.1.2"

Class Method Summary collapse

Class Method Details

.compile(*args) ⇒ Object 



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# File 'lib/mirah.rb', line 47

def self.compile(*args)
  Mirah::Commands::Compile.new(args).execute
end

.compiler_options ⇒ Object 



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# File 'lib/mirah_task.rb', line 85

def self.compiler_options
  @compiler_options ||= []
end

.compiler_options=(args) ⇒ Object 



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# File 'lib/mirah_task.rb', line 89

def self.compiler_options=(args)
  @compiler_options = args
end

.dest_path ⇒ Object 



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# File 'lib/mirah_task.rb', line 41

def self.dest_path
  dest_paths[0] ||= File.expand_path('.')
end

.dest_path=(path) ⇒ Object 



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# File 'lib/mirah_task.rb', line 45

def self.dest_path=(path)
  dest_paths[0] = File.expand_path(path)
end

.dest_paths ⇒ Object 



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# File 'lib/mirah_task.rb', line 37

def self.dest_paths
  @dest_paths ||= PathArray.new
end

.dest_to_source_path(target_path) ⇒ Object 



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# File 'lib/mirah_task.rb', line 67

def self.dest_to_source_path(target_path)
  destdir = find_dest(target_path)
  path = File.expand_path(target_path).sub(/^#{destdir}\//, '')
  path.sub!(/\.(java|class)$/, '')
  snake_case = File.basename(path).gsub(/[A-Z]/, '_\0').sub(/_/, '').downcase
  snake_case = "#{File.dirname(path)}/#{snake_case}"
  source_paths.each do |source_path|
    ["mirah", "duby"].each do |suffix|
      filename = "#{source_path}/#{path}.#{suffix}"
      return filename if File.exist?(filename)
      filename = "#{source_path}/#{snake_case}.#{suffix}"
      return filename if File.exist?(filename)
    end
  end
  # No source file exists. Just go with the first source path and .mirah
  return "#{self.source_path}/#{path}.mirah"
end

.find_dest(path) ⇒ Object 



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# File 'lib/mirah_task.rb', line 49

def self.find_dest(path)
  expanded = File.expand_path(path)
  dest_paths.each do |destdir|
    if expanded =~ /^#{destdir}\//
      return destdir
    end
  end
end

.find_source(path) ⇒ Object 



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# File 'lib/mirah_task.rb', line 58

def self.find_source(path)
  expanded = File.expand_path(path)
  source_paths.each do |sourcedir|
    if expanded =~ /^#{sourcedir}\//
      return sourcedir
    end
  end
end

.parse(*args) ⇒ Object 



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# File 'lib/mirah.rb', line 51

def self.parse(*args)
  Mirah::Commands::Parse.new(args).execute
end

.plugins ⇒ Object 



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# File 'lib/mirah.rb', line 55

def self.plugins
  @plugins ||= []
end

.print_error(message, position) ⇒ Object 



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# File 'lib/mirah.rb', line 63

def self.print_error(message, position)
  if position.nil?
    puts message
    return
  end
  puts "#{position.source.name}:#{position.start_line}: #{message}"
  puts underline(position)
end

.reset ⇒ Object 



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# File 'lib/mirah.rb', line 59

def self.reset
  plugins.each {|x| x.reset if x.respond_to?(:reset)}
end

.run(*args) ⇒ Object 



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# File 'lib/mirah.rb', line 43

def self.run(*args)
  Mirah::Commands::Run.new(args).execute
end

.source_path ⇒ Object 



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# File 'lib/mirah_task.rb', line 25

def self.source_path
  source_paths[0] ||= File.expand_path('.')
end

.source_path=(path) ⇒ Object 



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# File 'lib/mirah_task.rb', line 33

def self.source_path=(path)
  source_paths[0] = File.expand_path(path)
end

.source_paths ⇒ Object 



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# File 'lib/mirah_task.rb', line 29

def self.source_paths
  @source_paths ||= PathArray.new
end

.underline(position) ⇒ Object 



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# File 'lib/mirah.rb', line 72

def self.underline(position)
  start_line = position.start_line - position.source.initial_line
  end_line = position.end_line - position.source.initial_line

  start_col = position.start_column
  end_col = position.end_column
  adjustment = if start_line == 0
    position.source.initial_column
  else
    1
  end

  start_col -= adjustment
  end_col -= adjustment

  result = ""
  position.source.contents.each_line.with_index do |line, lineno|
    break if lineno > end_line
    next if lineno < start_line

    chomped = line.chomp
    result << chomped
    result << "\n"

    start = 0
    start = start_col if lineno == start_line

    result << " " * start

    endcol = chomped.size
    endcol = end_col if lineno == end_line

    result << "^" * [endcol - start, 1].max
    result << "\n"
  end
  result
end