Module: JavaClass::Converters

Included in:

Annotation, AnnotationElementValue, Class, LocalVariable, Member

Defined in:

lib/javaclass/base.rb

Class Method Summary

• .convert_code(code) ⇒ Object

  コードの文字列表現を得る。 *code::コード 戻り値:: コードの文字列表現.

• .convert_field_descriptor(descriptor) ⇒ Object
• .convert_method_descriptor(descriptor) ⇒ Object

Class Method Details

.convert_code(code) ⇒ Object

コードの文字列表現を得る。

*code::コード

戻り値

コードの文字列表現

# File 'lib/javaclass/base.rb', line 183

def convert_code( code )
  str = nil
  case code
  when 0x00; str = "nop"
  when 0x01; str = "aconst_null"
  when 0x02; str = "iconst_m1"
  when 0x03; str = "iconst_0"
  when 0x04; str = "iconst_1"
  when 0x05; str = "iconst_2"
  when 0x06; str = "iconst_3"
  when 0x07; str = "iconst_4"
  when 0x08; str = "iconst_5"
  when 0x09; str = "lconst_0"
  when 0x0a; str = "lconst_1"
  when 0x0b; str = "fconst_0"
  when 0x0c; str = "fconst_1"
  when 0x0d; str = "fconst_2"
  when 0x0e; str = "dconst_0"
  when 0x0f; str = "dconst_1"
  when 0x10; str = "bipush"
  when 0x11; str = "sipush"
  when 0x12; str = "ldc"
  when 0x13; str = "ldc_w"
  when 0x14; str = "ldc2_w"
  when 0x15; str = "iload"
  when 0x16; str = "lload"
  when 0x17; str = "fload"
  when 0x18; str = "dload"
  when 0x19; str = "aload"
  when 0x1a; str = "iload_0"
  when 0x1b; str = "iload_1"
  when 0x1c; str = "iload_2"
  when 0x1d; str = "iload_3"
  when 0x1e; str = "lload_0"
  when 0x1f; str = "lload_1"
  when 0x20; str = "lload_2"
  when 0x21; str = "lload_3"
  when 0x22; str = "fload_0"
  when 0x23; str = "fload_1"
  when 0x24; str = "fload_2"
  when 0x25; str = "fload_3"
  when 0x26; str = "dload_0"
  when 0x27; str = "dload_1"
  when 0x28; str = "dload_2"
  when 0x29; str = "dload_3"
  when 0x2a; str = "aload_0"
  when 0x2b; str = "aload_1"
  when 0x2c; str = "aload_2"
  when 0x2d; str = "aload_3"
  when 0x2e; str = "iaload"
  when 0x2f; str = "laload"
  when 0x30; str = "faload"
  when 0x31; str = "daload"
  when 0x32; str = "aaload"
  when 0x33; str = "baload"
  when 0x34; str = "caload"
  when 0x35; str = "saload"
  when 0x36; str = "istore"
  when 0x37; str = "lstore"
  when 0x38; str = "fstore"
  when 0x39; str = "dstore"
  when 0x3a; str = "astore"
  when 0x3b; str = "istore_0"
  when 0x3c; str = "istore_1"
  when 0x3d; str = "istore_2"
  when 0x3e; str = "istore_3"
  when 0x3f; str = "lstore_0"
  when 0x40; str = "lstore_1"
  when 0x41; str = "lstore_2"
  when 0x42; str = "lstore_3"
  when 0x43; str = "fstore_0"
  when 0x44; str = "fstore_1"
  when 0x45; str = "fstore_2"
  when 0x46; str = "fstore_3"
  when 0x47; str = "dstore_0"
  when 0x48; str = "dstore_1"
  when 0x49; str = "dstore_2"
  when 0x4a; str = "dstore_3"
  when 0x4b; str = "astore_0"
  when 0x4c; str = "astore_1"
  when 0x4d; str = "astore_2"
  when 0x4e; str = "astore_3"
  when 0x4f; str = "iastore"
  when 0x50; str = "lastore"
  when 0x51; str = "fastore"
  when 0x52; str = "dastore"
  when 0x53; str = "aastore"
  when 0x54; str = "bastore"
  when 0x55; str = "castore"
  when 0x56; str = "sastore"
  when 0x57; str = "pop"
  when 0x58; str = "pop2"
  when 0x59; str = "dup"
  when 0x5a; str = "dup_x1"
  when 0x5b; str = "dup_x2"
  when 0x5c; str = "dup2"
  when 0x5d; str = "dup2_x1"
  when 0x5e; str = "dup2_x2"
  when 0x5f; str = "swap"
  when 0x60; str = "iadd"
  when 0x61; str = "ladd"
  when 0x62; str = "fadd"
  when 0x63; str = "dadd"
  when 0x64; str = "isub"
  when 0x65; str = "lsub"
  when 0x66; str = "fsub"
  when 0x67; str = "dsub"
  when 0x68; str = "imul"
  when 0x69; str = "lmul"
  when 0x6a; str = "fmul"
  when 0x6b; str = "dmul"
  when 0x6c; str = "idiv"
  when 0x6d; str = "ldiv"
  when 0x6e; str = "fdiv"
  when 0x6f; str = "ddiv"
  when 0x70; str = "irem"
  when 0x71; str = "lrem"
  when 0x72; str = "frem"
  when 0x73; str = "drem"
  when 0x75; str = "lneg"
  when 0x76; str = "fneg"
  when 0x77; str = "dneg"
  when 0x78; str = "ishl"
  when 0x79; str = "lshl"
  when 0x7a; str = "ishr"
  when 0x7b; str = "lshr"
  when 0x7c; str = "iushr"
  when 0x7d; str = "lushr"
  when 0x7e; str = "iand"
  when 0x7f; str = "land"
  when 0x80; str = "ior"
  when 0x81; str = "lor"
  when 0x82; str = "ixor"
  when 0x83; str = "lxor"
  when 0x84; str = "iinc"
  when 0x85; str = "i2l"
  when 0x86; str = "i2f"
  when 0x87; str = "i2d"
  when 0x88; str = "l2i"
  when 0x89; str = "l2f"
  when 0x8a; str = "l2d"
  when 0x8b; str = "f2i"
  when 0x8c; str = "f2l"
  when 0x8d; str = "f2d"
  when 0x8e; str = "d2i"
  when 0x8f; str = "d2l"
  when 0x90; str = "d2f"
  when 0x91; str = "i2b"
  when 0x92; str = "i2c"
  when 0x93; str = "i2s"
  when 0x94; str = "lcmp"
  when 0x95; str = "fcmpl"
  when 0x96; str = "fcmpg"
  when 0x97; str = "dcmpl"
  when 0x98; str = "dcmpg"
  when 0x99; str = "ifeq"
  when 0x9a; str = "ifne"
  when 0x9b; str = "iflt"
  when 0x9c; str = "ifge"
  when 0x9d; str = "ifgt"
  when 0x9e; str = "ifle"
  when 0x9f; str = "if_icmpeq"
  when 0xa0; str = "if_icmpne"
  when 0xa1; str = "if_icmplt"
  when 0xa2; str = "if_icmpge"
  when 0xa3; str = "if_icmpgt"
  when 0xa4; str = "if_icmple"
  when 0xa5; str = "if_acmpeq"
  when 0xa6; str = "if_acmpne"
  when 0xa7; str = "goto"
  when 0xa8; str = "jsr"
  when 0xa9; str = "ret"
  when 0xaa; str = "tableswitch"
  when 0xab; str = "lookupswitch"
  when 0xac; str = "ireturn"
  when 0xad; str = "lreturn"
  when 0xae; str = "freturn"
  when 0xaf; str = "dreturn"
  when 0xb0; str = "areturn"
  when 0xb1; str = "return"
  when 0xb2; str = "getstatic"
  when 0xb3; str = "putstatic"
  when 0xb4; str = "getfield"
  when 0xb5; str = "putfield"
  when 0xb6; str = "invokevirtual"
  when 0xb7; str = "invokespecial"
  when 0xb8; str = "invokestatic"
  when 0xb9; str = "invokeinterface"
  when 0xba; str = "xxxunusedxxx1"
  when 0xbb; str = "new"
  when 0xbc; str = "newarray"
  when 0xbd; str = "anewarray"
  when 0xbe; str = "arraylength"
  when 0xbf; str = "athrow"
  when 0xc0; str = "checkcast"
  when 0xc1; str = "instanceof"
  when 0xc2; str = "monitorenter"
  when 0xc3; str = "monitorexit"
  when 0xc4; str = "wide"
  when 0xc5; str = "multianewarray"
  when 0xc6; str = "ifnull"
  when 0xc7; str = "ifnonnull"
  when 0xc8; str = "goto_w"
  when 0xc9; str = "jsr_w"
  when 0xca; str = "breakpoint"
  when 0xfe; str = "impdep1"
  when 0xff; str = "impdep2"
  else
    raise "unknown code. code=" << code.to_s
  end
  return str
end

.convert_field_descriptor(descriptor) ⇒ Object

# File 'lib/javaclass/base.rb', line 138

def convert_field_descriptor( descriptor )
  value = ""
  case descriptor[0].chr
    when "["
      value = convert_field_descriptor( descriptor[1..descriptor.size-1] ) + "[]"
    when "L"
      value = descriptor[1..descriptor.size-2].gsub(/\//, ".")
    when "B"
      value = "byte"
    when "C"
      value = "char"
    when "D"
      value = "double"
    when "F"
      value = "float"
    when "I"
      value = "int"
    when "J"
      value = "long"
    when "S"
      value = "short"
    when "Z"
      value = "boolean"
  end
  return value
end

.convert_method_descriptor(descriptor) ⇒ Object

# File 'lib/javaclass/base.rb', line 164

def convert_method_descriptor( descriptor )
  res = {}
  if ( descriptor =~ /\((.*)\)(.+)/ )
    res[:return] = $2 == "V" ? "void" : convert_field_descriptor( $2 )
    res[:args] = []
    strs = $1.scan( /(\[*[BCDFIJSZ]|\[*L.*?;)/ ).flatten
    strs.each { |str|
      res[:args] << convert_field_descriptor( str )
    }
  else
    raise "illegal method descriptor. descriptor=" << descriptor
  end
  return res
end