Class: Bake::Subst

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

Class Method Summary collapse

Class Method Details

.itute(config, projName, isMainProj, toolchain, loadedConfig, configTcMap) ⇒ Object 



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# File 'lib/bake/subst.rb', line 42

def self.itute(config, projName, isMainProj, toolchain, loadedConfig, configTcMap)
  @@lazy = true
  @@config = config
  @@toolchain = toolchain
  @@loadedConfig = loadedConfig
  @@configTcMap = configTcMap
  
  @@configName = config.name
  @@projDir = config.parent.get_project_dir
  @@projName = projName
  @@resolvedVars = 0
  @@configFilename = config.file_name
  
  @@artifactName = ""
  if Metamodel::ExecutableConfig === config
    if not config.artifactName.nil?
      @@artifactName = config.artifactName.name
    elsif config.defaultToolchain != nil
      basedOnToolchain = Bake::Toolchain::Provider[config.defaultToolchain.basedOn]
      if basedOnToolchain != nil
        @@artifactName = projName+basedOnToolchain[:LINKER][:OUTPUT_ENDING]
      end
    end
  end
  
  if isMainProj
    @@userVarMap = {}
  else
    @@userVarMap = @@userVarMapMain.clone
  end
  
  config.set.each do |s|
 
    if (s.value != "" and s.cmd != "")
      Bake.formatter.printError("value and cmd attributes must be used exclusively", s)
      ExitHelper.exit(1)
    end
    
    if (s.value != "")
      setName = substString(s.name, s)
      if (setName.empty?)
        Bake.formatter.printWarning("Name of variable must not be empty - variable will be ignored", s)
      else
        @@userVarMap[s.name] = substString(s.value, s)
        ENV[s.name] = @@userVarMap[s.name] if s.env
      end
    else
      cmd_result = false
      consoleOutput = ""
      begin
        Dir.chdir(@@projDir) do
          cmd = [substString(s.cmd, s)]
          cmd_result, consoleOutput = ProcessHelper.run(cmd)
          @@userVarMap[s.name] = consoleOutput.chomp
          ENV[s.name] = @@userVarMap[s.name] if s.env
        end
      rescue Exception=>e
        consoleOutput = e.message
      end
      if (cmd_result == false)
        Bake.formatter.printWarning("Command not successful, variable #{s.name} will be set to \"\" (#{consoleOutput.chomp}).", s)
        @@userVarMap[s.name] = ""
        ENV[s.name] = "" if s.env
      end          
    end
    
  end
  
  @@userVarMapMain = @@userVarMap.clone if isMainProj
 
  3.times {
    subst(config);
    substToolchain(toolchain)
  }
  
  @@resolvedVars = 0
  lastFoundInVar = -1 
  100.times do
    subst(config)
    break if @@resolvedVars == 0 or (@@resolvedVars >= lastFoundInVar and lastFoundInVar >= 0)
    lastFoundInVar = @@resolvedVars 
  end      
  if (@@resolvedVars > 0)
    Bake.formatter.printError("Cyclic variable substitution detected", config.file_name)
    ExitHelper.exit(1)
  end
  
end

.lazyPathes ⇒ Object

this is done lazy because usually there is no need to calculate that



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# File 'lib/bake/subst.rb', line 8

def self.lazyPathes
  return unless @@lazy
  
  cppCmd = @@toolchain[:COMPILER][:CPP][:COMMAND]
  cCmd = @@toolchain[:COMPILER][:C][:COMMAND]
  asmCmd = @@toolchain[:COMPILER][:ASM][:COMMAND]
  archiverCmd = @@toolchain[:ARCHIVER][:COMMAND]
  linkerCmd = @@toolchain[:LINKER][:COMMAND]
    
  if @@config.toolchain
    linkerCmd = @@config.toolchain.linker.command if @@config.toolchain.linker and @@config.toolchain.linker.command != ""
    archiverCmd = @@config.toolchain.archiver.command if @@config.toolchain.linker and @@config.toolchain.archiver.command != ""
    @@config.toolchain.compiler.each do |c|
      if c.command != ""
        if c.ctype == :CPP
          cppCmd = c.command
        elsif c.ctype == :C
          cCmd = c.command
        elsif c.ctype == :ASM
          asmCmd = c.command
        end
      end
    end
  end 
  
  @@cppExe      = File.which(cppCmd) 
  @@cExe        = File.which(cCmd)
  @@asmExe      = File.which(asmCmd)
  @@archiverExe = File.which(archiverCmd)
  @@linkerExe   = File.which(linkerCmd)
  
  @@lazy = false
end

.subst(elem) ⇒ Object 



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# File 'lib/bake/subst.rb', line 289

def self.subst(elem)
  elem.class.ecore.eAllAttributes_derived.each do |a|
    next if a.name == "file_name" or a.name == "line_number"
    return if Metamodel::Set === elem.class
    return if Metamodel::DefaultToolchain === elem
    return if Metamodel::Toolchain === elem.class
    next if a.eType.name != "EString" 
    substStr = substString(elem.getGeneric(a.name), elem)
    elem.setGeneric(a.name, substStr)
  end

  childsRefs = elem.class.ecore.eAllReferences.select{|r| r.containment}
  childsRefs.each do |c|
    elem.getGenericAsArray(c.name).each { |child| subst(child) }
  end     
end

.substString(str, elem = nil) ⇒ Object 



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# File 'lib/bake/subst.rb', line 131

def self.substString(str, elem=nil)
  substStr = ""
  posSubst = 0
  while (true)
    posStart = str.index("$(", posSubst)
    break if posStart.nil?
    posEnd = str.index(")", posStart)
    break if posEnd.nil?
    posStartSub = str.index("$(", posStart+1)
    if (not posStartSub.nil? and posStartSub < posEnd) # = nested vars
      newStr = str[0,posStartSub] + substString(str[posStartSub..posEnd],elem)
      if (str.length + 1 > posEnd)
        str = newStr + str[posEnd+1..-1]
      else
        str = newStr
      end
      next
    end
    
    substStr << str[posSubst..posStart-1] if posStart>0
  
    @@resolvedVars += 1
    var = str[posStart+2..posEnd-1]

    splittedVar = var.split(",")
    
    if Bake.options.vars.has_key?(var)
      substStr << Bake.options.vars[var]  
    elsif @@userVarMap.has_key?(var)
      substStr << @@userVarMap[var]       
    elsif var == "MainConfigName"
      substStr << Bake.options.build_config
    elsif var == "MainProjectName"
      substStr << Bake.options.main_project_name
    elsif var == "MainProjectDir"
      substStr << Bake.options.main_dir
    elsif var == "ConfigName"
     substStr << @@configName
    elsif var == "ProjectName"
      substStr << @@projName
    elsif var == "ProjectDir"
      substStr << @@projDir
    elsif var == "OutputDir" or (splittedVar.length == 3 and splittedVar[0] == "OutputDir")
      if (var == "OutputDir")
        out_proj_name = @@projName
        out_conf_name = @@configName
      else
        out_proj_name = splittedVar[1].strip
        out_conf_name = splittedVar[2].strip
      end
      if @@loadedConfig.referencedConfigs.has_key?out_proj_name
        configs = @@loadedConfig.referencedConfigs[out_proj_name]
        config = configs.select {|c| c.name == out_conf_name }.first
        if config
           out_dir = nil
          if (config.toolchain and config.toolchain.outputDir and config.toolchain.outputDir != "")
            out_dir = config.toolchain.outputDir
          else
            out_dir = @@configTcMap[config][:OUTPUT_DIR]
          end
          if not out_dir
            if out_proj_name == Bake.options.main_project_name and out_conf_name == Bake.options.build_config
              out_dir = "build_" + Bake.options.build_config
            else
              out_dir = "build_" + out_conf_name + "_" + Bake.options.main_project_name + "_" + Bake.options.build_config
            end
          end
          out_dir = substString(out_dir, elem)
          if File.is_absolute?(out_dir)
            substStr << out_dir
          else
            substStr << Pathname.new(File.rel_from_to_project(@@projDir,config.get_project_dir,true)  + out_dir).cleanpath.to_s
          end
        else
          if Bake.options.verbose > 0
            msg = "Substitute variable '$(#{var})' with empty string, because config #{out_conf_name} not found for project #{out_proj_name}"
            Bake.formatter.printInfo(msg, elem ? elem : @@config)
          end
        end
      else
        if Bake.options.verbose > 0
          msg = "Substitute variable '$(#{var})' with empty string, because project #{out_proj_name} not found"
          Bake.formatter.printInfo(msg, elem ? elem : @@config)
        end
      end
    elsif splittedVar.length > 1 and splittedVar[0] == "OutputDir"
      if Bake.options.verbose > 0
        msg = "Substitute variable '$(#{var})' with empty string, because syntax of complex variable OutputDir is not $(OutputDir,<project name>,<config name>)"
        Bake.formatter.printInfo(msg, elem ? elem : @@config)
      end
    elsif var == "Time"
      substStr << Time.now.to_s
    elsif var == "Hostname"
      substStr << Socket.gethostname
    elsif var == "ArtifactName"
      substStr << @@artifactName
    elsif var == "ArtifactNameBase"
      substStr << @@artifactName.chomp(File.extname(@@artifactName))
    elsif var == "CPPPath"
      self.lazyPathes
      substStr << @@cppExe
    elsif var == "CPath"
      self.lazyPathes
      substStr << @@cExe
    elsif var == "ASMPath"
      self.lazyPathes
      substStr << @@asmExe
    elsif var == "ArchiverPath"
      self.lazyPathes
      substStr << @@archiverExe
    elsif var == "LinkerPath"
      self.lazyPathes
      substStr << @@linkerExe
    elsif var == "Roots"
      substStr << "___ROOTS___"
    elsif var == "/"
      substStr << File::SEPARATOR
    elsif var == ":"
      substStr << File::PATH_SEPARATOR
    elsif ENV[var]
      substStr << ENV[var]
    else
      if Bake.options.verbose >= 2
        msg = "Substitute variable '$(#{var})' with empty string"
        if elem
          Bake.formatter.printInfo(msg, elem)
        else
          Bake.formatter.printInfo(msg +  " in the toolchain", @@config)
        end
      end
    end
  
    posSubst = posEnd + 1
  end
  substStr << str[posSubst..-1]
  substStr
end

.substToolchain(elem) ⇒ Object 



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# File 'lib/bake/subst.rb', line 269

def self.substToolchain(elem)
  if Hash === elem
    elem.each do |k, e|
      if Hash === e or Array === e
        substToolchain(e)
      elsif String === e
        elem[k] = substString(e)
      end
    end
  elsif Array === elem
    elem.each_with_index do |e, i|
      if Hash === e or Array === e
        substToolchain(e)
      elsif String === e
        elem[i] = substString(e)
      end
    end
  end
end