Class: Malline::Parser

Inherits:

Racc::Parser

• Object
• Racc::Parser
• Malline::Parser

Defined in:

lib/malline/parser.rb

Constant Summary

Racc_arg =

[
racc_action_table,
racc_action_check,
racc_action_default,
racc_action_pointer,
racc_goto_table,
racc_goto_check,
racc_goto_default,
racc_goto_pointer,
racc_nt_base,
racc_reduce_table,
racc_token_table,
racc_shift_n,
racc_reduce_n,
racc_use_result_var ]

Racc_token_to_s_table =

[
"$end",
"error",
"START_CODE",
"END_CODE",
"DATA",
"CMD",
"$start",
"values",
"value",
"code_block",
"data" ]

Racc_debug_parser =

false

Instance Method Summary

• #_reduce_6(val, _values, result) ⇒ Object

  reduce 5 omitted.

• #_reduce_7(val, _values, result) ⇒ Object
• #_reduce_8(val, _values, result) ⇒ Object
• #_reduce_none(val, _values, result) ⇒ Object
• #initialize(lexer, handler = Handler.new) ⇒ Parser constructor

  A new instance of Parser.

• #next_token ⇒ Object
• #parse ⇒ Object

Constructor Details

#initialize(lexer, handler = Handler.new) ⇒ Parser

Returns a new instance of Parser.

# File 'lib/malline/parser.rb', line 14

def initialize lexer, handler=Handler.new
  @lexer   = lexer
  @handler = handler
  super()
end

Instance Method Details

#_reduce_6(val, _values, result) ⇒ Object

reduce 5 omitted

# File 'lib/malline/parser.rb', line 132

def _reduce_6(val, _values, result)
 @handler.code(val[2], val[1].to_sym) 
    result
end

#_reduce_7(val, _values, result) ⇒ Object

# File 'lib/malline/parser.rb', line 137

def _reduce_7(val, _values, result)
 @handler.code val[1] 
    result
end

#_reduce_8(val, _values, result) ⇒ Object

# File 'lib/malline/parser.rb', line 142

def _reduce_8(val, _values, result)
 @handler.data val.first 
    result
end

#_reduce_none(val, _values, result) ⇒ Object

# File 'lib/malline/parser.rb', line 147

def _reduce_none(val, _values, result)
  val[0]
end

#next_token ⇒ Object

# File 'lib/malline/parser.rb', line 20

def next_token
  token, string, start_line, end_line = @lexer.next_token
  @handler.token_line = [start_line, end_line]
  [token, string] if token
end

#parse ⇒ Object

# File 'lib/malline/parser.rb', line 26

def parse
  do_parse
  @handler
end