Class: ParamList

Inherits:
BDNode show all
Defined in:
lib/tecsgen/core/syntaxobj.rb

Overview

関数パラメータリスト

Instance Method Summary collapse

Methods inherited from BDNode

#get_owner, #set_owner

Methods inherited from Node

#cdl_error, #cdl_error2, #cdl_error3, #cdl_info, #cdl_info2, #cdl_warning, #cdl_warning2, #get_locale, #locale_str, #set_locale

Constructor Details

#initialize(paramdecl) ⇒ ParamList

@param_list

NamedList : item: ParamDecl



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# File 'lib/tecsgen/core/syntaxobj.rb', line 1019

def initialize(paramdecl)
  super()
  @param_list = NamedList.new(paramdecl, "parameter")
  @param_list.get_items.each {|paramdecl|
    paramdecl.set_owner self # ParamDecl
  }
end

Instance Method Details

#add_param(paramdecl) ⇒ Object 



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# File 'lib/tecsgen/core/syntaxobj.rb', line 1027

def add_param(paramdecl)
  return if paramdecl.nil? # 既にエラー

  @param_list.add_item(paramdecl)
  paramdecl.set_owner self # ParamDecl
end

#check_param ⇒ Object

size_is, count_is, string の引数の式をチェック

変数は前方参照可能なため、関数頭部の構文解釈が終わった後にチェックする



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# File 'lib/tecsgen/core/syntaxobj.rb', line 1040

def check_param
  @param_list.get_items.each {|i|
    next if i.nil? # i == nil : エラー時

    if i.get_type.class == VoidType
      # 単一の void 型はここにはこない
      cdl_error("S2027 '$1' parameter cannot be void type", i.get_name)
    end

    size = i.get_size # Expression
    if size
      val = size.eval_const(@param_list)
      if val.nil? # 定数式でないか？
        # mikan 変数を含む式：単一の変数のみ OK
        type = size.get_type(@param_list)
        unless type.is_a?(IntType)
          cdl_error("S2017 size_is argument is not integer type")
        else
          size.check_dir_for_param(@param_list, i.get_direction, "size_is")
        end
      else
        if val != Integer(val)
          cdl_error("S2018 \'$1\' size_is parameter not integer", i.get_declarator.get_identifier)
        elsif val <= 0
          cdl_error("S2019 \'$1\' size_is parameter negative or zero", i.get_declarator.get_identifier)
        end
      end
    end

    max = i.get_max
    if max
      val2 = max.eval_const(@param_list)
      if val2.nil?
        cdl_error("S2028 '$1' max (size_is 2nd parameter) not constant", i.get_name)
      elsif val2 != Integer(val2) || val2 <= 0
        cdl_error("S2029 '$1' max (size_is 2nd parameter) negative or zero, or not integer", i.get_name)
      end
    end

    if !val.nil? && !val2.nil?
      if val < val2
        cdl_warning("W3005 '$1' size_is always lower than max. max is ignored", i.get_name)
        i.clear_max
      else
        cdl_error("S2030 '$1' both size_is and max are const. size_is larger than max", i.get_name)
      end
    end

    count = i.get_count # Expression
    if count
      val = count.eval_const(@param_list)
      if val.nil? # 定数式でないか？
        # mikan 変数を含む式：単一の変数のみ OK
        type = count.get_type(@param_list)
        unless type.is_a?(IntType)
          cdl_error("S2020 count_is argument is not integer type")
        else
          count.check_dir_for_param(@param_list, i.get_direction, "count_is")
        end
      else
        if val != Integer(val)
          cdl_error("S2021 \'$1\' count_is parameter not integer", i.get_declarator.get_identifier)
        elsif val <= 0
          cdl_error("S2022 \'$1\' count_is parameter negative or zero", i.get_declarator.get_identifier)
        end
      end
    end

    string = i.get_string # Expression
    if string != -1 && string
      val = string.eval_const(@param_list)
      if val.nil? # 定数式でないか？
        # mikan 変数を含む式：単一の変数のみ OK
        type = string.get_type(@param_list)
        unless type.is_a?(IntType)
          cdl_error("S2023 string argument is not integer type")
        else
          string.check_dir_for_param(@param_list, i.get_direction, "string")
        end
      else
        if val != Integer(val)
          cdl_error("S2024 \'$1\' string parameter not integer", i.get_declarator.get_identifier)
        elsif val <= 0
          cdl_error("S2025 \'$1\' string parameter negative or zero", i.get_declarator.get_identifier)
        end
      end
    end
  }
end

#check_struct_tag(kind) ⇒ Object 



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# File 'lib/tecsgen/core/syntaxobj.rb', line 1130

def check_struct_tag(kind)
  @param_list.get_items.each{|p|
    p.check_struct_tag kind
  }
end

#find(name) ⇒ Object 



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# File 'lib/tecsgen/core/syntaxobj.rb', line 1147

def find(name)
  @param_list.get_item(name)
end

#get_items ⇒ Object 



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# File 'lib/tecsgen/core/syntaxobj.rb', line 1034

def get_items
  @param_list.get_items
end

#need_PPAllocator?(b_opaque = false) ⇒ Boolean

Push Pop Allocator が必要か？

Transparent RPC の場合 (oneway かつ) in の配列(size_is, count_is, string のいずれかで修飾）がある

Returns:

  • (Boolean) 


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# File 'lib/tecsgen/core/syntaxobj.rb', line 1138

def need_PPAllocator?(b_opaque = false)
  @param_list.get_items.each {|i|
    if i.need_PPAllocator?(b_opaque)
      return true
    end
  }
  false
end

#show_tree(indent) ⇒ Object 



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# File 'lib/tecsgen/core/syntaxobj.rb', line 1168

def show_tree(indent)
  indent.times { print "  " }
  puts "ParamList: #{locale_str}"
  @param_list.show_tree(indent + 1)
end

#to_str(b_name) ⇒ Object

ParamList# 文字列化

b_name

Bool: パラメータ名を含める



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# File 'lib/tecsgen/core/syntaxobj.rb', line 1153

def to_str(b_name)
  str = "("
  delim = ""
  @param_list.get_items.each{|paramdecl|
    decl = paramdecl.get_declarator
    str += delim + decl.get_type
    if b_name
      str += " " + decl.get_name
    end
    str += decl.get_type_post
    delim = ", "
  }
  str += ")"
end