irb/ruby-token.rb - ruby tokens
    $Release Version: 0.9.6$
    $Revision$
    by Keiju ISHITSUKA(keiju@ruby-lang.org)

Namespace
Methods
T
D
Constants
EXPR_BEG = :EXPR_BEG
 
EXPR_MID = :EXPR_MID
 
EXPR_END = :EXPR_END
 
EXPR_ARG = :EXPR_ARG
 
EXPR_FNAME = :EXPR_FNAME
 
EXPR_DOT = :EXPR_DOT
 
EXPR_CLASS = :EXPR_CLASS
 
TokenDefinitions = [ [:TkCLASS, TkId, "class", EXPR_CLASS], [:TkMODULE, TkId, "module", EXPR_BEG], [:TkDEF, TkId, "def", EXPR_FNAME], [:TkUNDEF, TkId, "undef", EXPR_FNAME], [:TkBEGIN, TkId, "begin", EXPR_BEG], [:TkRESCUE, TkId, "rescue", EXPR_MID], [:TkENSURE, TkId, "ensure", EXPR_BEG], [:TkEND, TkId, "end", EXPR_END], [:TkIF, TkId, "if", EXPR_BEG, :TkIF_MOD], [:TkUNLESS, TkId, "unless", EXPR_BEG, :TkUNLESS_MOD], [:TkTHEN, TkId, "then", EXPR_BEG], [:TkELSIF, TkId, "elsif", EXPR_BEG], [:TkELSE, TkId, "else", EXPR_BEG], [:TkCASE, TkId, "case", EXPR_BEG], [:TkWHEN, TkId, "when", EXPR_BEG], [:TkWHILE, TkId, "while", EXPR_BEG, :TkWHILE_MOD], [:TkUNTIL, TkId, "until", EXPR_BEG, :TkUNTIL_MOD], [:TkFOR, TkId, "for", EXPR_BEG], [:TkBREAK, TkId, "break", EXPR_END], [:TkNEXT, TkId, "next", EXPR_END], [:TkREDO, TkId, "redo", EXPR_END], [:TkRETRY, TkId, "retry", EXPR_END], [:TkIN, TkId, "in", EXPR_BEG], [:TkDO, TkId, "do", EXPR_BEG], [:TkRETURN, TkId, "return", EXPR_MID], [:TkYIELD, TkId, "yield", EXPR_END], [:TkSUPER, TkId, "super", EXPR_END], [:TkSELF, TkId, "self", EXPR_END], [:TkNIL, TkId, "nil", EXPR_END], [:TkTRUE, TkId, "true", EXPR_END], [:TkFALSE, TkId, "false", EXPR_END], [:TkAND, TkId, "and", EXPR_BEG], [:TkOR, TkId, "or", EXPR_BEG], [:TkNOT, TkId, "not", EXPR_BEG], [:TkIF_MOD, TkId], [:TkUNLESS_MOD, TkId], [:TkWHILE_MOD, TkId], [:TkUNTIL_MOD, TkId], [:TkALIAS, TkId, "alias", EXPR_FNAME], [:TkDEFINED, TkId, "defined?", EXPR_END], [:TklBEGIN, TkId, "BEGIN", EXPR_END], [:TklEND, TkId, "END", EXPR_END], [:Tk__LINE__, TkId, "__LINE__", EXPR_END], [:Tk__FILE__, TkId, "__FILE__", EXPR_END], [:TkIDENTIFIER, TkId], [:TkFID, TkId], [:TkGVAR, TkId], [:TkCVAR, TkId], [:TkIVAR, TkId], [:TkCONSTANT, TkId], [:TkINTEGER, TkVal], [:TkFLOAT, TkVal], [:TkSTRING, TkVal], [:TkXSTRING, TkVal], [:TkREGEXP, TkVal], [:TkSYMBOL, TkVal], [:TkDSTRING, TkNode], [:TkDXSTRING, TkNode], [:TkDREGEXP, TkNode], [:TkNTH_REF, TkNode], [:TkBACK_REF, TkNode], [:TkUPLUS, TkOp, "+@"], [:TkUMINUS, TkOp, "-@"], [:TkPOW, TkOp, "**"], [:TkCMP, TkOp, "<=>"], [:TkEQ, TkOp, "=="], [:TkEQQ, TkOp, "==="], [:TkNEQ, TkOp, "!="], [:TkGEQ, TkOp, ">="], [:TkLEQ, TkOp, "<="], [:TkANDOP, TkOp, "&&"], [:TkOROP, TkOp, "||"], [:TkMATCH, TkOp, "=~"], [:TkNMATCH, TkOp, "!~"], [:TkDOT2, TkOp, ".."], [:TkDOT3, TkOp, "..."], [:TkAREF, TkOp, "[]"], [:TkASET, TkOp, "[]="], [:TkLSHFT, TkOp, "<<"], [:TkRSHFT, TkOp, ">>"], [:TkCOLON2, TkOp], [:TkCOLON3, TkOp], # [:OPASGN, TkOp], # +=, -= etc. # [:TkASSOC, TkOp, "=>"], [:TkQUESTION, TkOp, "?"], #? [:TkCOLON, TkOp, ":"], #: [:TkfLPAREN], # func( # [:TkfLBRACK], # func[ # [:TkfLBRACE], # func{ # [:TkSTAR], # *arg [:TkAMPER], # &arg # [:TkSYMBEG], # :SYMBOL [:TkGT, TkOp, ">"], [:TkLT, TkOp, "<"], [:TkPLUS, TkOp, "+"], [:TkMINUS, TkOp, "-"], [:TkMULT, TkOp, "*"], [:TkDIV, TkOp, "/"], [:TkMOD, TkOp, "%"], [:TkBITOR, TkOp, "|"], [:TkBITXOR, TkOp, "^"], [:TkBITAND, TkOp, "&"], [:TkBITNOT, TkOp, "~"], [:TkNOTOP, TkOp, "!"], [:TkBACKQUOTE, TkOp, "`"], [:TkASSIGN, Token, "="], [:TkDOT, Token, "."], [:TkLPAREN, Token, "("], #(exp) [:TkLBRACK, Token, "["], #[arry] [:TkLBRACE, Token, "{"], #{hash} [:TkRPAREN, Token, ")"], [:TkRBRACK, Token, "]"], [:TkRBRACE, Token, "}"], [:TkCOMMA, Token, ","], [:TkSEMICOLON, Token, ";"], [:TkCOMMENT], [:TkRD_COMMENT], [:TkSPACE], [:TkNL], [:TkEND_OF_SCRIPT], [:TkBACKSLASH, TkUnknownChar, "\\"], [:TkAT, TkUnknownChar, "@"], [:TkDOLLAR, TkUnknownChar, "$"], ]
 
TkReading2Token = {}
 

{reading => token_class} {reading => [token_class, *opt]}

TkSymbol2Token = {}
 
Class Public methods
def_token(token_n, super_token = Token, reading = nil, *opts)
# File ../ruby/lib/irb/ruby-token.rb, line 242
def RubyToken.def_token(token_n, super_token = Token, reading = nil, *opts)
  token_n = token_n.id2name if token_n.kind_of?(Symbol)
  if RubyToken.const_defined?(token_n)
    IRB.fail AlreadyDefinedToken, token_n
  end
  token_c = eval("class #{token_n} < #{super_token}; end; #{token_n}")

  if reading
    if TkReading2Token[reading]
      IRB.fail TkReading2TokenDuplicateError, token_n, reading
    end
    if opts.empty?
      TkReading2Token[reading] = [token_c]
    else
      TkReading2Token[reading] = [token_c].concat(opts)
    end
  end
  TkSymbol2Token[token_n.intern] = token_c
end
Instance Public methods
Token(token, value = nil)
# File ../ruby/lib/irb/ruby-token.rb, line 76
def Token(token, value = nil)
  case token
  when String
    if (tk = TkReading2Token[token]).nil?
      IRB.fail TkReading2TokenNoKey, token
    end
    tk = Token(tk[0], value)
    if tk.kind_of?(TkOp)
      tk.name = token
    end
    return tk
  when Symbol
    if (tk = TkSymbol2Token[token]).nil?
      IRB.fail TkSymbol2TokenNoKey, token
    end
    return Token(tk[0], value)
  else
    if (token.ancestors & [TkId, TkVal, TkOPASGN, TkUnknownChar]).empty?
      token.new(@prev_seek, @prev_line_no, @prev_char_no)
    else
      token.new(@prev_seek, @prev_line_no, @prev_char_no, value)
    end
  end
end