Class: Roebe::Run

Inherits:
Base show all
Defined in:
lib/roebe/classes/run/run.rb,
lib/roebe/classes/run/menu.rb

Overview

Roebe::Run

Constant Summary collapse

USE_THESE_G_PLUS_PLUS_COMPILE_FLAGS =
#

USE_THESE_G_PLUS_PLUS_COMPILE_FLAGS

Note that using -std=c++11 here may lead to compile-related problems.

#
''
USE_THESE_GCC_COMPILE_FLAGS =
#

USE_THESE_GCC_COMPILE_FLAGS

#
''

Constants inherited from Base

Base::COLOURS, Base::HOME_DIRECTORY_OF_USER_X, Base::N, Base::NAMESPACE

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#actions, #append_this_onto_that_file, #append_what_into, #be_silent, #be_verbose?, #beautiful_url, #burlywood, #call_next, #chdir, #cheerful_guy, #cliner, #complex_esystem, #convert_global_env, #copy_directory, #copy_file, #cornflowerblue, #create_directory, #crimson, #current_month?, #current_time?, #current_year?, #cyan, #darkcyan, #darkgreen, #darkkhaki, #darkslateblue, #deeppink, #delete_symlink, #do_not_use_the_base_colours, #do_use_the_base_colours, #e, #ecomment, #editor_to_use?, #efancy, #eimp, #emphasis, #ensure_main_encoding, #ensure_utf_encoding, #eparse, #erev, #esteelblue, #etomato, #ewarn, #exit_program, #firebrick, #get_current_day, #get_current_month, #get_files_and_directories, #get_files_from, #get_german_name_for_this_weekday, #gold, #green, #grey, #hh_mm_ss, #hh_mm_ss_day_month_year, #home_dir?, #home_directory_of_user_x?, #infer_the_namespace, #internal_hash?, #is_a_directory?, #is_a_file?, #is_a_jpg_file?, #is_an_image_file?, #is_archive?, #is_audio_file?, #is_in_studium_dir?, #is_multimedia_file?, #is_on_roebe?, #is_on_windows?, #is_studium_available?, #is_symlink?, #is_this_a_ruby_file?, #is_video_file?, #iso_encoding?, #le, #left_colour, #lightblue, #lightgreen, #lightseagreen, #lightsteelblue, #lime, #limegreen, #localhost_to_data, #log_directory?, #main_encoding?, #mediumorchid, #mediumpurple, #mediumseagreen, #mediumslateblue, #mediumspringgreen, #mediumturquoise, #mkdir_p, #mv, #n_days_in_this_month, #n_pages_in_this_pdf_file?, #namespace?, #no_file_exists_at, #ogrey, #olive, #olivedrab, #open_in_browser, #opne, #opnesystem, #opnn, #orange, #orchid, #orev, #palegoldenrod, #palevioletred, #pink, #powderblue, #programs_dir?, #project_base_dir?, #random_html_colour, #rds, #read_file_in_iso_encoding, #read_file_via_the_default_encoding, #read_lines_via_iso_encoding, #readlines_with_main_encoding, #red, #register_sigint, #remove, #remove_directory, #remove_file, #rename_kde_konsole_tab, #replace_localhost_with_data, #report_pwd, #require_rescue, #reset_the_internal_hash, #return_all_directories_from_this_directory, #return_all_files_from_this_directory, #return_current_directory, #return_dd_mm_yyyy, #return_file_or_directory_of, #return_files_from_pwd, #return_last_part_of_the_current_directory, #return_utc, #rev, #right_arrow?, #right_colour, #roebe_log_directory?, #rosybrown, #royalblue, #ruby_base_directory?, #run_in_background, #run_rcfiles_then_run_ata_via_qdbus, #sandybrown, #sdir, #seagreen, #set_be_verbose, #set_xorg_buffer, #sfancy, #sfile, #silent_redirection?, #simp, #simple_esystem, #skyblue, #slateblue, #slategray, #springgreen, #steelblue, #string_italic, #swarn, #symlink, #teal, #temp_dir?, #to_camelcase, #to_counted_hash, #tomato, #touch, #try_to_require_the_beautiful_url_gem, #try_to_require_the_html_template, #try_to_require_the_open_gem, #try_to_require_the_program_information_gem, #try_to_require_the_xorg_buffer, #use_colours?, #verbose_truth, #weekday?, #word_wrap, #write_what_into, #yellow

Methods included from Base::CommandlineArguments

#append_onto_the_commandline_arguments, #clear_commandline_arguments, #commandline_arguments?, #commandline_arguments_as_string?, #commandline_arguments_without_leading_hyphens?, #first_argument?, #first_argument_without_leading_hyphens?, #has_an_argument_been_passed?, #remove_hyphened_arguments_from_the_commandline_arguments, #return_commandline_arguments_with_leading_hyphens, #second_argument?, #set_commandline_arguments

Constructor Details

#initialize(i = ARGV, run_already = true) ⇒ Run

#

initialize

#


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# File 'lib/roebe/classes/run/run.rb', line 41

def initialize(
    i           = ARGV,
    run_already = true
  )
  register_sigint
  reset
  set_commandline_arguments(i)
  run if run_already
end

Class Method Details

.[](i = '') ⇒ Object

#

Roebe::Run[]

#


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# File 'lib/roebe/classes/run/run.rb', line 729

def self.[](i = '')
  new(i)
end

Instance Method Details

#act_based_on_this_extension(extname) ⇒ Object

#

act_based_on_this_extension

#


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# File 'lib/roebe/classes/run/run.rb', line 575

def act_based_on_this_extension(extname)
  case extname # case tag
  # ======================================================================= #
  # === java
  # ======================================================================= #
  when 'java',
       'class'
    compile_this_java_file_then_run_it(@this_file)
  # ======================================================================= #
  # === rb
  # ======================================================================= #
  when 'rb'
    run_this_ruby_file(@this_file)
  # ======================================================================= #
  # === nim
  # ======================================================================= #
  when 'nim'
    compile_this_nim_file_then_run_it(@this_file)
  # ======================================================================= #
  # === tex
  # ======================================================================= #
  when 'tex'
    compile_this_tex_file_then_open_it(@this_file)
  # ======================================================================= #
  # === cfdg
  # ======================================================================= #
  when 'cfdg'
    compile_this_cfdg_file_and_then_show_it_in_the_browser(@this_file)
  # ======================================================================= #
  # === cr
  # ======================================================================= #
  when 'cr'
    compile_this_crystal_file_then_run_it(@this_file)
  # ======================================================================= #
  # === c
  # ======================================================================= #
  when 'c'
    compile_this_c_file_then_run_it(@this_file)
  # ======================================================================= #
  # === cpp
  # ======================================================================= #
  when 'cpp'
    compile_this_cpp_file_then_run_it(@this_file)
  # ======================================================================= #
  # === jar
  # ======================================================================= #
  when 'jar'
    run_this_jar_file(@this_file)
  # ======================================================================= #
  # === py
  # ======================================================================= #
  when 'py'
    esystem 'python '+@this_file
  # ======================================================================= #
  # === cs
  # ======================================================================= #
  when 'cs'
    compile_this_csharp_file_then_run_it(@this_file)
  else
    opnn
    e rev+'The extension for '+
      sfile(@this_file)+' is not known/registered.'
  end
end

#can_we_locate_a_native_image_binary?(path = ) ⇒ Boolean

#

can_we_locate_a_native_image_binary?

This method can be used to check whether a binary called “native-image” exists and can be found at the given PATH. The binary called “native-image” is part of the GraalVM.

#

Returns:

  • (Boolean) 


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# File 'lib/roebe/classes/run/run.rb', line 390

def can_we_locate_a_native_image_binary?(
    path = ENV['PATH']
  )
  result = false # This is the return-value. By default we return false here.
  splitted = path.split(':') # e. g. "/usr/bin/:/usr/sbin/:"
  splitted.each {|entry|
    if File.exist?(entry.to_s+'native-image')
      result = true
    end
  }
  return result
end

#check_for_compile_flags_specified_in_the_given_file ⇒ Object

#

check_for_compile_flags_specified_in_the_given_file

This method will scan for lines that contain “ // run ”.

#


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# File 'lib/roebe/classes/run/run.rb', line 154

def check_for_compile_flags_specified_in_the_given_file
  result = nil
  if @file_content.include? ' // run '
    scanned = @file_content.scan(/^.+ \/\/ run .+/).flatten
    first   = scanned.first
    case first # case tag
    when /SAVE_AS_IS/
      first.sub!(/SAVE_AS_IS/,'')
      set_store_as_this_name(:use_filename)
    when /SAVE_AS (.+)$/
      set_store_as_this_name($1.to_s.dup)
    end
    remaining_arguments = first.sub(/} \/\/ run/,'')
    remaining_arguments.squeeze!(' ')
    if remaining_arguments.include? filename?
      remaining_arguments.sub!(filename?, '')
    end
    result = remaining_arguments
  end
  return result
end

#check_for_macros_in(i = @file_content) ⇒ Object

#

check_for_macros_in (macro tag)

This method can check for some “macros”.

#


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# File 'lib/roebe/classes/run/run.rb', line 427

def check_for_macros_in(
    i = @file_content
  )
  if i.include?('STORE_AS_DEFAULT') or
     i.include?('USE_FILENAME') or
     i.include?('SAVE_AS_IS')
    @store_as_this_name = remove_file_extension_of(File.basename(which_file?))
  elsif i.include? 'STORE_AS'
    @store_as_this_name = i.scan(/STORE_AS (.+)/).flatten.first
  elsif i.include? 'NAME_IS'
    @store_as_this_name = i.scan(/NAME_IS (.+)/).flatten.first
  end
end

#check_for_polyglot_java_file_in(i = @file_content) ⇒ Object

#

check_for_polyglot_java_file_in

#


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# File 'lib/roebe/classes/run/run.rb', line 364

def check_for_polyglot_java_file_in(
    i = @file_content
  )
  if i
    if i.include? 'context.eval'
      use_this_regex = /context.eval\("(.+)",/ # See: https://rubular.com/r/cTvoZ4Gd1JaoAw
      which_language = i.scan(use_this_regex).flatten.first.to_s
      e steelblue('Enable language support for: ')+
        lightgreen(which_language)+rev
      @internal_hash[:additional_commandline_arguments] << '--language:'+which_language
      # =================================================================== #
      # The next line is experimental as of April 2022. Let's see whether
      # we can keep it or whether we have to remove it eventually.
      # =================================================================== #
      @internal_hash[:additional_commandline_arguments] << '--initialize-at-build-time'
    end
  end
end

#compile_this_c_file_then_run_it(i) ⇒ Object

#

compile_this_c_file_then_run_it

This method is the entry point for .c files.

#


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# File 'lib/roebe/classes/run/run.rb', line 226

def compile_this_c_file_then_run_it(i)
  verbose_compile_this_file(i)
  try_to_run_the_compiled_file
end

#compile_this_cfdg_file_and_then_show_it_in_the_browser(i = @this_file, use_this_width = 850) ⇒ Object

#

compile_this_cfdg_file_and_then_show_it_in_the_browser

This method adds support for .cfdg files.

#


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# File 'lib/roebe/classes/run/run.rb', line 408

def compile_this_cfdg_file_and_then_show_it_in_the_browser(
    i              = @this_file,
    use_this_width = 850
  )
  store_here = ENV['HOME'].to_s+
               '/image_paradise/output.png'
  cmd_to_run = 'cfdg '+i+' --bordersize=1 -w '+use_this_width.to_s+' -h 450 '+store_here
  esystem(cmd_to_run)
  if File.exist? store_here
    require 'open'
    Open.in_browser(store_here)
  end
end

#compile_this_cpp_file_then_run_it(i) ⇒ Object

#

compile_this_cpp_file_then_run_it

This method is the entry point for .cpp files.

#


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# File 'lib/roebe/classes/run/run.rb', line 181

def compile_this_cpp_file_then_run_it(i)
  verbose_compile_this_file(i)
  try_to_run_the_compiled_file
end

#compile_this_crystal_file_then_run_it(i) ⇒ Object

#

compile_this_crystal_file_then_run_it (crystal tag)

#


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# File 'lib/roebe/classes/run/run.rb', line 234

def compile_this_crystal_file_then_run_it(i)
  verbose_compile_this_file(i)
  try_to_run_the_compiled_file(i)
end

#compile_this_csharp_file_then_run_it(i = @this_file) ⇒ Object

#

compile_this_csharp_file_then_run_it

#


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# File 'lib/roebe/classes/run/run.rb', line 189

def compile_this_csharp_file_then_run_it(i = @this_file)
  verbose_compile_this_file(i)
  try_to_run_the_compiled_file
end

#compile_this_java_file_then_run_it(i) ⇒ Object

#

compile_this_java_file_then_run_it (java tag)

#


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# File 'lib/roebe/classes/run/run.rb', line 643

def compile_this_java_file_then_run_it(i)
  verbose_compile_this_file(i)
  if Roebe::SyntaxChecker.is_this_java_file_ok?(i)
    try_to_run_the_compiled_file unless do_use_a_native_image?
  else
    e 'The Java file at '+sfile(i)+' appears to contain errors. '\
      'Thus no'
    e 'attempt will be made to run the .java file.'
  end
end

#compile_this_nim_file_then_run_it(i) ⇒ Object

#

compile_this_nim_file_then_run_it (nim tag)

#


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# File 'lib/roebe/classes/run/run.rb', line 281

def compile_this_nim_file_then_run_it(i)
  verbose_compile_this_file(i)
  try_to_run_the_compiled_file
end

#compile_this_tex_file_then_open_it(i) ⇒ Object

#

compile_this_tex_file_then_open_it

#


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# File 'lib/roebe/classes/run/run.rb', line 289

def compile_this_tex_file_then_open_it(i)
  require 'open'
  verbose_compile_this_file(i)
  target_file = i.delete_suffix('.tex')+'.pdf'
  ::Open.open(target_file)
end

#do_enable_code_draw ⇒ Object

#

do_enable_code_draw

#


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# File 'lib/roebe/classes/run/run.rb', line 96

def do_enable_code_draw
  @internal_hash[:make_use_of_code_draw] = true
end

#do_use_a_native_image? ⇒ Boolean

#

do_we_use_a_native_image?

#

Returns:

  • (Boolean) 


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# File 'lib/roebe/classes/run/run.rb', line 299

def do_use_a_native_image?
  @internal_hash[:do_use_a_native_image]
end

#enable_do_use_a_native_image ⇒ Object

#

enable_do_use_a_native_image

#


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# File 'lib/roebe/classes/run/run.rb', line 274

def enable_do_use_a_native_image
  @internal_hash[:do_use_a_native_image] = true
end

#enable_static_image ⇒ Object

#

enable_static_image

#


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# File 'lib/roebe/classes/run/run.rb', line 266

def enable_static_image
  @internal_hash[:additional_commandline_arguments] <<
    '-H:+StaticExecutableWithDynamicLibC'
end

#handle_this_directory(i) ⇒ Object

#

handle_this_directory

This method is mostly used for .java files which are spread all over the place.

#


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# File 'lib/roebe/classes/run/run.rb', line 207

def handle_this_directory(i)
  target = "#{i}/*.java"
  java_compile(target)
end

#java_compile(i) ⇒ Object

#

java_compile

#


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# File 'lib/roebe/classes/run/run.rb', line 720

def java_compile(i)
  esystem(
    "javac #{i}", :do_colourize
  ) { :colourize_first_word_differently }
end

#make_use_of_code_draw? ⇒ Boolean

#

make_use_of_code_draw?

#

Returns:

  • (Boolean) 


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# File 'lib/roebe/classes/run/run.rb', line 89

def make_use_of_code_draw?
  @internal_hash[:make_use_of_code_draw]
end

#menu(i = return_commandline_arguments_starting_with_hyphens) ⇒ Object

#

menu (menu tag)

#


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# File 'lib/roebe/classes/run/menu.rb', line 16

def menu(
    i = return_commandline_arguments_starting_with_hyphens
  )
  if i.is_a? Array
    i.each {|entry| menu(entry) }
  else
    case i # (case tag)
    # ===================================================================== #
    # === Use the same output name, based on the input name
    #
    # Usage example:
    #
    #   run foobar.cpp --same-name
    #
    # ===================================================================== #
    when /^-?-?same(-|_)?name$/i,
         /^-?-?name$/i
      if which_file?.nil?
        set_which_file(first?.to_s.dup)
      end
      set_store_as_this_name(:use_filename)
    # ===================================================================== #
    # === Run codedraw
    #
    # Usage examples:
    #
    #   run --codedraw *.java
    #   run Aufgabe1.java --codedraw
    #
    # ===================================================================== #
    when /^-?-?code(-|_)?draw$/i
      @internal_hash[:make_use_of_code_draw] = true
    # ===================================================================== #
    # === run --native-static-image HelloWorld.java
    #
    # More generic usage example:
    #
    #   run --native-static-image *.java
    #
    # ===================================================================== #
    when /^-?-?native(-|_)?static(-|_)?image/,
         /^-?-?native(-|_)?static/,
         /^-?-?static(-|_)?native$/,
         /^-?-?static(-|_)?image$/,
         /^-?-?super(-|_)?static$/,
         /^-?-?make(-|_)?static$/,
         /^-?-?static$/i,
         /^-?-?native1$/
      enable_static_image
      enable_do_use_a_native_image
    # ===================================================================== #
    # === run --help
    # ===================================================================== #
    when /-?-?help/
      show_help
      exit
    # ===================================================================== #
    # === run --native-image --static HelloWorld.java
    # ===================================================================== #
    when /--static/
      enable_static_image
    # ===================================================================== #
    # === run --native-image HelloWorld.java
    # ===================================================================== #
    when /^-?-?native(-|_)?image$/,
         /^-?-?native$/
      enable_do_use_a_native_image
    end
  end
end

#remove_file_extension_of(i) ⇒ Object

#

remove_file_extension_of

#


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# File 'lib/roebe/classes/run/run.rb', line 129

def remove_file_extension_of(i)
  i.sub(/#{File.extname(i)}$/,'')
end

#reset ⇒ Object

#

reset (reset tag)

#


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# File 'lib/roebe/classes/run/run.rb', line 54

def reset
  super()
  infer_the_namespace
  # ======================================================================= #
  # === @store_as_this_name
  # ======================================================================= #
  @store_as_this_name = 'a.out'
  # ======================================================================= #
  # === @internal_hash
  # ======================================================================= #
  @internal_hash = {}
  # ======================================================================= #
  # === :additional_commandline_arguments
  #
  # Additional commandline arguments can be stored in the following
  # Array.
  # ======================================================================= #
  @internal_hash[:additional_commandline_arguments] = []
  # ======================================================================= #
  # === :do_use_a_native_image
  # ======================================================================= #
  @internal_hash[:do_use_a_native_image] = false
  # ======================================================================= #
  # === :make_use_of_code_draw
  # ======================================================================= #
  @internal_hash[:make_use_of_code_draw] = false
  # ======================================================================= #
  # === @consider_appending_this
  # ======================================================================= #
  @consider_appending_this = ''.dup
end

#return_camelcase_of(i) ⇒ Object

#

return_camelcase_of

#


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# File 'lib/roebe/classes/run/run.rb', line 197

def return_camelcase_of(i)
  i.split('_').map(&:capitalize).join
end

#run ⇒ Object

#

run (run tag)

#


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# File 'lib/roebe/classes/run/run.rb', line 306

def run
  menu
  set_this_file(
    return_first_non_hyphen_commandline_argument
  )
  @this_file = this_file?
  if File.directory? @this_file
    handle_this_directory(@this_file)
  elsif File.exist? @this_file
    # ===================================================================== #
    # Read in the content of that file next.
    # ===================================================================== #
    @file_content = File.read(
      @this_file, encoding: encoding?
    )
    check_for_macros_in(@file_content)
    extname = File.extname(@this_file).delete('.')
    act_based_on_this_extension(extname)
    if do_use_a_native_image? # This entry is only used for a certain commandline flag.
      # =================================================================== #
      # === native-image
      #
      # Build a native-image next, if the user provided a certain flag.
      # =================================================================== #
      unless can_we_locate_a_native_image_binary?
        etomato 'No native-image binary was found - running the next line'
        etomato 'may not work properly.'
      end
      check_for_polyglot_java_file_in(@file_content)
      cmd_to_run = 'native-image '.dup
      if @internal_hash[:additional_commandline_arguments] and
        !@internal_hash[:additional_commandline_arguments].empty?
           cmd_to_run << @internal_hash[:additional_commandline_arguments].join(' ')
      end
      cmd_to_run << ' '+@this_file.delete_suffix(extname).delete('.')
      esystem_colourized cmd_to_run
      shorter_filename = @this_file.delete_suffix(extname).
                         delete('.').
                         downcase
      e rev+
        'Next running '+steelblue('upx')+
        rev+' to make the resulting ('+
        royalblue(shorter_filename)+') file smaller.'
      esystem "upx #{shorter_filename}", :do_colourize
      _ = "#{shorter_filename}.build_artifacts.txt"
      if File.exist?(_)
        e "Removing the unnecessary file #{sfile(_)} as well next."
        delete(_)
      end
    end
  else
    opnn; no_file_exists_at(@this_file)
  end
end

#run_this_jar_file(i) ⇒ Object

#

run_this_jar_file

This method is specifically for .jar files.

#


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# File 'lib/roebe/classes/run/run.rb', line 217

def run_this_jar_file(i)
  esystem "java -jar #{i} &"
end

#run_this_ruby_file(i) ⇒ Object

#

run_this_ruby_file

#


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# File 'lib/roebe/classes/run/run.rb', line 568

def run_this_ruby_file(i)
  esystem "ruby #{i} &" # Run in background seems better for interactive shells.
end

#set_store_as_this_name(i = :use_filename) ⇒ Object

#

set_store_as_this_name

#


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# File 'lib/roebe/classes/run/run.rb', line 136

def set_store_as_this_name(
    i = :use_filename
  )
  case i
  # ======================================================================= #
  # === :use_filename
  # ======================================================================= #
  when :use_filename
    i = remove_file_extension_of(File.basename(which_file?))
  end
  @store_as_this_name = i
end

#set_this_file(i = '') ⇒ Object Also known as: set_which_file

#

set_this_file

#


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# File 'lib/roebe/classes/run/run.rb', line 103

def set_this_file(i = '')
  i = i.join(' ').strip if i.is_a? Array
  i = i.to_s.dup
  unless File.exist?(i)
    i = "#{i}.class" if File.exist?("#{i}.class") # This line was added specifically to support java .class files.
  end
  @this_file = i
end

#show_help ⇒ Object

#

show_help (help tag)

#


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# File 'lib/roebe/classes/run/run.rb', line 255

def show_help
  e 'The following options are currently documented:'
  e
  e '   --native-static-image *.java # Compile a .java '\
    'application into a standalone binary'
  e
end

#this_file? ⇒ Boolean Also known as: filename?

#

this_file?

#

Returns:

  • (Boolean) 


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# File 'lib/roebe/classes/run/run.rb', line 115

def this_file?
  @this_file
end

#try_to_run_the_compiled_file(i = @store_as_this_name) ⇒ Object

#

try_to_run_the_compiled_file

This method will attempt to run the file a.out or whatever is stored in @store_as_this_name.

#


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# File 'lib/roebe/classes/run/run.rb', line 660

def try_to_run_the_compiled_file(
    i = @store_as_this_name
  )
  if File.exist?(i) and i.end_with?('.exe')
    # ===================================================================== #
    # Assume mono in this case.
    # ===================================================================== #
    esystem "mono #{i}"
  elsif File.exist? i
    # ===================================================================== #
    # Ad-hoc remove .cr extensions.
    # ===================================================================== #
    i.delete_suffix!('.cr') if i.end_with? '.cr'
    esystem "./#{i}"
  # ======================================================================= #
  # === Java variant
  #
  # Run the java-variant of the file. Assertions are supported since
  # as of May 2020.
  # ======================================================================= #
  elsif File.exist?("#{i}.java")
    # cmd = "java #{return_camelcase_of(i)}"
    cmd = "java".dup
    dataset = File.read("#{i}.java")
    if dataset.include? 'assert ' # ← This is assumed to be an assertion then.
      cmd << ' -enableassertions'
    end
    if dataset.include?('classpath:')
      dataset =~ /^classpath: "(.+)"/
      cmd << " -cp \"#{$1}\""
    end
    cmd << @consider_appending_this unless @consider_appending_this.empty?
    cmd << " #{i}"
    e steelblue(cmd)
    e
    system cmd
  # ======================================================================= #
  # === Handle c-sharp files next
  # ======================================================================= #
  elsif File.exist? "#{i}.cs"
    cmd = "mono #{i}"
    e steelblue(cmd)
    e
    system cmd
  # ======================================================================= #
  # Run the python file.
  # ======================================================================= #
  elsif File.exist? "#{i}.py"
    cmd = "python #{i}"
    e steelblue(cmd)
    e
    system cmd
  else
    e "No file `#{sfile(i)}` was found."
  end
end

#verbose_compile_this_file(i) ⇒ Object

#

verbose_compile_this_file (compile tag)

This method is the one that will attempt to compile the file at hand, e. g. a .c file or a .java file.

#


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# File 'lib/roebe/classes/run/run.rb', line 447

def verbose_compile_this_file(i)
  extension_name = File.extname(i).delete('.')
  case extension_name # case tag
  # ======================================================================= #
  # === tex
  # ======================================================================= #
  when 'tex'
    _ = "pdflatex #{i}".dup
  # ======================================================================= #
  # === nim
  # ======================================================================= #
  when 'nim'
    _ = "nim c -d:release #{i}".dup
  # ======================================================================= #
  # === cr
  #
  # For crystal files.
  # ======================================================================= #
  when 'cr'
    _ = "crystal build #{i}".dup
  # ======================================================================= #
  # === cpp
  #
  # On windows we have to use "cl /EHsc". On Linux we can simply use "g++".
  # ======================================================================= #
  when 'cpp'
    if is_on_windows?
      _ = "cl /EHsc #{i}".dup
    else # else assume linux
      _ = "g++ #{i}".dup
    end
    _ << " #{USE_THESE_G_PLUS_PLUS_COMPILE_FLAGS}"
  # ======================================================================= #
  # === java
  # ======================================================================= #
  when 'java',
       'class'
    verbose_exit_unless_javac_could_be_found
    _ = 'javac'.dup
    if extension_name == 'class'
      _ = 'java'.dup
    end
    dataset = File.read(i)
    if dataset.include?('classpath:')
      dataset =~ /^classpath: "(.+)"/
      _ << " -cp \"#{$1}\""
    end
    if dataset.include?('import codedraw.')
      do_enable_code_draw
    end
    # ===================================================================== #
    # The next clause can be invoked via "run --codedraw *.java".
    # ===================================================================== #
    if make_use_of_code_draw?
      _ << " --class-path /home/x/programming/java/src/codedraw/"
    end
    _ << " #{i.sub(/\.class/,'')}"
    # ===================================================================== #
    # We must also change the name in this case.
    # ===================================================================== #
    @store_as_this_name = i.sub(/\.java$/,'')
  # ======================================================================= #
  # === cs
  # ======================================================================= #
  when 'cs'
    _ = "csc #{i}"
    @store_as_this_name = i.delete_suffix('.cs')+'.exe'
  # ======================================================================= #
  # === c
  #
  # This entry point is meant for compiling .c files, via GCC.
  # ======================================================================= #
  when 'c'
    _ = "gcc -Wall #{i}".dup
    _ << ' '+USE_THESE_GCC_COMPILE_FLAGS
    if File.read(i).include? '#include <math.h>'
      # =================================================================== #
      # Handle math support next
      # =================================================================== #
      _ << ' -lm'
    end
  end
  # compile_flags = check_for_compile_flags_specified_in_the_given_file
  @consider_appending_this = check_for_compile_flags_specified_in_the_given_file.to_s.dup
  # ^^^ For now we don't have to do anything special.
  # ======================================================================= #
  # Check for Java and JavaFX next.
  # ======================================================================= #
  if (extension_name == 'java') and
     File.read(i).include?('import javafx')
    @consider_appending_this << ' --module-path $JAVAFX_HOME --add-modules javafx.controls,javafx.fxml'
  end
  # ======================================================================= #
  # Compile as a certain name:
  # ======================================================================= #
  case extension_name
  when 'java','cs','nim',
       'class',
       'tex'
    # pass-through these ones.
  when 'cr'
    _ << ' --release'
  else
    # ===================================================================== #
    # On windows the -o option appears to have become deprecated recently,
    # e. g. 2022 or something like that. If it still does work somehow
    # then we may have to change the following clause, and generate some
    # "foobar.exe" file - or something like that.
    # ===================================================================== #
    _ << " -o #{@store_as_this_name}" unless is_on_windows?
  end
  if @consider_appending_this and !@consider_appending_this.empty?
    _ << " #{@consider_appending_this}"
  end
  _.squeeze!(' ') # ← Squeeze away extra ' ' characters.
  esystem(_, :do_colourize) { :colourize_first_word_differently }
end

#verbose_exit_unless_javac_could_be_found ⇒ Object

#

verbose_exit_unless_javac_could_be_found

#


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# File 'lib/roebe/classes/run/run.rb', line 242

def verbose_exit_unless_javac_could_be_found
  _ = `javac 2>&1`
  if _.include? 'not found'
    opne orange('javac')+
         rev+' could not be found. Is Java '\
         'installed on the target computer?'
    exit
  end
end

#which_file? ⇒ Boolean

#

which_file?

#

Returns:

  • (Boolean) 


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# File 'lib/roebe/classes/run/run.rb', line 122

def which_file?
  @this_file
end