Class: Bake::Config

Inherits:
Object
  • Object
show all
Defined in:
lib/bake/config/loader.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#referencedConfigs ⇒ Object (readonly)

Returns the value of attribute referencedConfigs.



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# File 'lib/bake/config/loader.rb', line 6

def referencedConfigs
  @referencedConfigs
end

Instance Method Details

#checkRoots ⇒ Object 



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# File 'lib/bake/config/loader.rb', line 196

def checkRoots()
  @potentialProjs = []
  Bake.options.roots.each do |r|
    if (r.length == 3 && r.include?(":/"))
      r = r + Bake.options.main_project_name # glob would not work otherwise on windows (ruby bug?)

    end
    r = r+"/**{,/*/**}/Project.meta"
    @potentialProjs.concat(Dir.glob(r))
  end
  
  @potentialProjs = @potentialProjs.uniq.sort
end

#filterStep(step, globalFilterStr) ⇒ Object 



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# File 'lib/bake/config/loader.rb', line 210

def filterStep(step, globalFilterStr)
  
  # 1st prio: explicit single filter

  if step.filter != "" 
    return true if  Bake.options.exclude_filter.include?step.filter
    return false if Bake.options.include_filter.include?step.filter
  end 

  # 2nd prio: explicit global filter

  if globalFilterStr != nil
    return true if  Bake.options.exclude_filter.include?globalFilterStr
    return false if Bake.options.include_filter.include?globalFilterStr
  end      

  # 3nd prio: default

  return true if step.default == "off"
  false      
end

#filterSteps ⇒ Object 



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# File 'lib/bake/config/loader.rb', line 229

def filterSteps
  @referencedConfigs.each do |projName, configs|
    configs.each do |config|
      config.startupSteps.step  = config.startupSteps.step.delete_if  { |step| filterStep(step, "STARTUP") }  if config.startupSteps
      config.preSteps.step      = config.preSteps.step.delete_if      { |step| filterStep(step, "PRE") }  if config.preSteps
      config.postSteps.step     = config.postSteps.step.delete_if     { |step| filterStep(step, "POST") } if config.postSteps
      config.exitSteps.step     = config.exitSteps.step.delete_if     { |step| filterStep(step, "EXIT") }  if config.exitSteps
      if Metamodel::CustomConfig === config and config.step
        config.step = nil if filterStep(config.step, nil)
      end
    end
  end
end

#getFullProject(configs, configname) ⇒ Object

note: configs is never empty



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# File 'lib/bake/config/loader.rb', line 8

def getFullProject(configs, configname) # note: configs is never empty

  
  if (configname == "")
    if configs[0].parent.default != ""
      configname = configs[0].parent.default
    else
      Bake.formatter.printError("No default config specified", configs[0].file_name) 
      ExitHelper.exit(1)
    end
  end
  
  config = nil
  configs.each do |c|
    if c.name == configname
      if config
        Bake.formatter.printError("Config '#{configname}' found more than once",config.file_name)
        ExitHelper.exit(1)
      end
      config = c
    end
  end 
  
  if not config
    Bake.formatter.printError("Config '#{configname}' not found", configs[0].file_name)
    ExitHelper.exit(1)
  end
  
  if config.extends != ""
    parent,parentConfigName = getFullProject(configs, config.extends)
    MergeConfig.new(config, parent).merge()
  end
  
  [config, configname]
end

#load ⇒ Object 



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# File 'lib/bake/config/loader.rb', line 243

def load()
  @loader = Loader.new
  cache = CacheAccess.new()
  @referencedConfigs = cache.load_cache unless Bake.options.nocache

  # cache invalid or forced to reload

  if @referencedConfigs.nil?
    loadMainMeta
    checkRoots
    while dep = @depsPending.shift
      loadMeta(dep)
    end
   
    filterSteps
    
    cache.write_cache(@project_files, @referencedConfigs)
  end
  
end

#loadMainMeta ⇒ Object 



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# File 'lib/bake/config/loader.rb', line 166

def loadMainMeta()
  mainMeta = Bake.options.main_dir+"/Project.meta"
  if not File.exist?(mainMeta)
    Bake.formatter.printError("Error: #{mainMeta} not found")
    ExitHelper.exit(1)
  end
    
  @project_files = []
  
  configs = loadProjMeta(mainMeta)
  @loadedConfigs = {}
  @loadedConfigs[Bake.options.main_project_name] = configs
  
  if (Bake.options.build_config == "" and configs[0].parent.default == "")
    ConfigNames.print(configs, nil, mainMeta)
  end
  
  config, Bake.options.build_config = getFullProject(configs,Bake.options.build_config)
  @referencedConfigs = {}
  @referencedConfigs[Bake.options.main_project_name] = [config]
    
  if config.defaultToolchain == nil
    Bake.formatter.printError("Main project configuration must contain DefaultToolchain", config)
    ExitHelper.exit(1)
  end
  
  validateDependencies(config)
  @depsPending = config.dependency
end

#loadMeta(dep) ⇒ Object 



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# File 'lib/bake/config/loader.rb', line 106

def loadMeta(dep)
  dep_subbed = dep.name.gsub(/\\/,"/")
  if dep_subbed.include?":" or dep_subbed.include?"../" or dep_subbed.start_with?"/" or dep_subbed.end_with?"/"
    Bake.formatter.printError("#{dep.name}  is invalid", dep)
    ExitHelper.exit(1)
  end
  dep_path, dismiss, dep_name = dep_subbed.rpartition("/")
  
  # file not loaded yet

  if not @loadedConfigs.include?dep_name
    
    pmeta_filenames = []
      
    @potentialProjs.each do |pp|
      if pp.include?("/" + dep_subbed + "/Project.meta") or pp == (dep_subbed + "/Project.meta") 
        pmeta_filenames << pp
      end
    end
  
    if pmeta_filenames.empty?
      Bake.formatter.printError("#{dep.name}/Project.meta not found", dep)
      ExitHelper.exit(1)
    end
    
    if pmeta_filenames.length > 1
      Bake.formatter.printWarning("Project #{dep.name} exists more than once", dep)
      chosen = " (chosen)"
      pmeta_filenames.each do |f|
        Bake.formatter.printWarning("  #{File.dirname(f)}#{chosen}")
        chosen = ""
      end
    end
    
    @loadedConfigs[dep_name] = loadProjMeta(pmeta_filenames[0])
  else
    folder = @loadedConfigs[dep_name][0].get_project_dir
    if not folder.include?dep_subbed
      Bake.formatter.printError("Cannot load #{dep.name}, because #{folder} already loaded", dep)
      ExitHelper.exit(1)
    end
    
  end
        
  # get config

  config, dep.config = getFullProject(@loadedConfigs[dep_name], dep.config)
  dep.name = dep_name
  
  # config not referenced yet

  if not @referencedConfigs.include?dep_name
    @referencedConfigs[dep_name] = [config] 
  elsif @referencedConfigs[dep_name].index { |c| c.name == dep.config } == nil
    @referencedConfigs[dep_name] << config
  else
    return
  end
  
  validateDependencies(config)
  @depsPending += config.dependency
end

#loadProjMeta(filename) ⇒ Object 



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# File 'lib/bake/config/loader.rb', line 61

def loadProjMeta(filename)
  
  symlinkCheck(filename)
  
  @project_files << filename
  f = @loader.load(filename)

  config = nil
  
  if f.root_elements.length != 1 or not Metamodel::Project === f.root_elements[0]
    Bake.formatter.printError("Config file must have exactly one 'Project' element as root element", filename)
    ExitHelper.exit(1)
  end
  
  configs = f.root_elements[0].getConfig
  
  if configs.length == 0
    Bake.formatter.printError("No config found", filename)
    ExitHelper.exit(1)
  end
  
  configs.each do |config|
    if config.respond_to?("toolchain") and config.toolchain
      config.toolchain.compiler.each do |c|
        if not c.internalDefines.nil? and c.internalDefines != ""
          Bake.formatter.printError("InternalDefines only allowed in DefaultToolchain", c.internalDefines)
          ExitHelper.exit(1)
        end
      end
    end
  end
  configs
end

#symlinkCheck(filename) ⇒ Object 



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# File 'lib/bake/config/loader.rb', line 43

def symlinkCheck(filename)
  dirOfProjMeta = File.dirname(filename)
  Dir.chdir(dirOfProjMeta) do
    if Dir.pwd != dirOfProjMeta and File.dirname(Dir.pwd) != File.dirname(dirOfProjMeta)
      isSym = false
      begin
        isSym = File.symlink?(dirOfProjMeta)
      rescue
      end
      if isSym
        Bake.formatter.printError("Symlinks only allowed with the same parent dir as the target: #{dirOfProjMeta} --> #{Dir.pwd}", filename)
        ExitHelper.exit(1)
      end
    end
  end
end

#validateDependencies(config) ⇒ Object 



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# File 'lib/bake/config/loader.rb', line 96

def validateDependencies(config)
  config.dependency.each do |dep|
    if dep.name.include?"$" or dep.config.include?"$"
      Bake.formatter.printError("No variables allowed in Dependency definition", dep)
      ExitHelper.exit(1)
    end
    dep.name = config.parent.name if dep.name == ""
  end
end