Class: RaccMatchParser

Inherits:
Racc::Parser show all
Defined in:
lib/sportdb/parser/parser.rb,
lib/sportdb/parser/racc_tree.rb,
lib/sportdb/parser/racc_parser.rb

Overview

RaccMatchParser support machinery (incl. node classes/abstract syntax tree)

Defined Under Namespace

Classes: AttendanceLine, BlankLine, Booking, Card, CardsLine, DateHeader, DateHeaderLegs, Goal, GoalAlt, GoalCompat, GoalLine, GoalLineAlt, GoalLineCompat, GoalMinute, GoalType, GroupDef, Heading1, Heading2, Heading3, Lineup, LineupLine, MatchLine, MatchLineBye, MatchLineLegs, MatchLineWalkover, Minute, NotaBene, NoteLine, PenaltiesLine, Penalty, Referee, RefereeLine, RoundDef, RoundOutline, Sub

Constant Summary collapse

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 = 
[
"$end",
"error",
"BLANK",
"H1",
"NEWLINE",
"H2",
"H3",
"NOTE",
"NOTA_BENE",
"\"|\"",
"\":\"",
"GROUP_DEF",
"TEAM",
"\",\"",
"ROUND_OUTLINE",
"ROUND_DEF",
"DATE",
"DURATION",
"YEAR",
"DATETIME",
"TIME",
"DATE_LEGS",
"\"@\"",
"GEO",
"\"-\"",
"VS",
"INLINE_NP",
"INLINE_CANC",
"INLINE_PPD",
"SCORE_FULL",
"SCORE_FULLER",
"SCORE",
"SCORE_AWD",
"SCORE_ABD",
"SCORE_FULLER_MORE",
"INLINE_AWD",
"INLINE_ABD",
"INLINE_VOID",
"INLINE_SUSP",
"TEAM_HOME",
"TEAM_AWAY",
"TEAM_NEUTRAL",
"ORD",
"match_line_alt_props",
"STATUS",
"INLINE_ATTENDANCE",
"INLINE_ATTENDANCE_SEP",
"INLINE_GOALS",
"GOALS_END",
"INLINE_BYE",
"INLINE_WO",
"SCORE_LEGS",
"GOALS",
"GOALS_NONE",
"\";\"",
"GOAL_SEP_ALT",
"PLAYER",
"GOAL_COUNT",
"GOAL_MINUTE_SEP",
"GOAL_MINUTE",
"GOALS_ALT",
"GOAL_TYPE",
"GOALS_COMPAT",
"MINUTE",
"PROP_ATTENDANCE",
"PROP_NUM",
"PROP_END",
"PROP_REFEREE",
"PROP_NAME",
"ENCLOSED_NAME",
"ATTENDANCE",
"PROP_YELLOWCARDS",
"PROP_REDCARDS",
"PROP_PENALTIES",
"PROP",
"COACH",
"INLINE_CAPTAIN",
"\"(\"",
"\")\"",
"INLINE_YELLOW",
"INLINE_YELLOW_RED",
"INLINE_RED",
"$start",
"document",
"elements",
"element",
"heading",
"group_def",
"round_def",
"round_outline",
"date_header",
"match_line_with_header",
"match_line",
"date_header_legs",
"match_line_legs",
"note_line",
"nota_bene",
"goal_lines",
"goal_lines_alt",
"goal_lines_compat",
"lineup_lines",
"yellowcard_lines",
"redcard_lines",
"penalties_lines",
"referee_line",
"attendance_line",
"opt_blank_lines",
"blank_lines",
"group_def_sep",
"team_values",
"round_def_sep",
"round_date_opts",
"date",
"datetime",
"time",
"date_datetime",
"opt_date",
"geo",
"geo_names",
"opt_geo",
"match_sep",
"match_fixture",
"match_fixture_not_played",
"match_fixture_postponed",
"SCORE_FULL_OR_FULLER",
"match_result",
"match_fixture_base",
"match_result_base",
"ord",
"opt_ord",
"match_header",
"match_line_header",
"match",
"more_match_header_opts",
"opt_inline_attendance",
"inline_attendance",
"opt_inline_note",
"match_opts",
"more_match_opts",
"match_bye",
"match_walkover",
"goal_lines_body",
"goals",
"goals_sep",
"opt_goal_sep",
"goal",
"goal_minutes",
"opt_goal_minute_sep",
"goal_minute",
"goals_alt",
"goal_alt",
"goals_compat",
"goal_compat",
"referees",
"attendance_opt",
"referee",
"card_body",
"player_w_minute",
"card_sep",
"penalties_body",
"penalty_sep",
"penalty",
"lineup",
"coach_opt",
"lineup_sep",
"lineup_name",
"lineup_name_plus_cards_opts",
"lineup_sub_opts",
"lineup_captain_opt",
"lineup_cards_opts",
"cards" ]
Racc_debug_parser = 
false

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Racc::Parser

#_racc_do_parse_rb, #_racc_do_reduce, #_racc_evalact, #_racc_init_sysvars, #_racc_setup, #do_parse, #racc_accept, #racc_e_pop, #racc_next_state, #racc_print_stacks, #racc_print_states, #racc_read_token, #racc_reduce, #racc_shift, #racc_token2str, #token_to_str, #yyaccept, #yyerrok, #yyerror

Constructor Details

#initialize(txt, debug: false) ⇒ RaccMatchParser

Returns a new instance of RaccMatchParser.



9
10
11
12
13
14
15
16
17
18
 
# File 'lib/sportdb/parser/racc_parser.rb', line 9

def initialize( txt,  debug: false )
  @tree   = []
  @errors = []

  lexer = SportDb::Lexer.new( txt, debug: debug )
  ##  note - use tokenize_with_errors and add/collect tokenize errors
  @tokens, @errors = lexer.tokenize_with_errors
  ## pp @tokens

end

Instance Attribute Details

#errors ⇒ Object (readonly)

Returns the value of attribute errors.



75
76
77
 
# File 'lib/sportdb/parser/racc_parser.rb', line 75

def errors
  @errors
end

Instance Method Details

#_reduce_none(val, _values, result) ⇒ Object 



2179
2180
2181
 
# File 'lib/sportdb/parser/parser.rb', line 2179

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

#_trace(*args) ⇒ Object 



34
35
36
37
38
39
 
# File 'lib/sportdb/parser/racc_parser.rb', line 34

def _trace( *args )
  ## if debug?
    print "[DEBUG] Parser -- "
    args.each { |arg| puts args }
  ## end
end

#debug(value) ⇒ Object

fix: use setter-style e.g. debug=(value) !!!



21
 
# File 'lib/sportdb/parser/racc_parser.rb', line 21

def debug( value ) @debug = value; end

#debug? ⇒ Boolean

Returns:

  • (Boolean) 


22
 
# File 'lib/sportdb/parser/racc_parser.rb', line 22

def debug?()  @debug == true; end

#errors? ⇒ Boolean

Returns:

  • (Boolean) 


76
 
# File 'lib/sportdb/parser/racc_parser.rb', line 76

def errors?()   @errors.size > 0; end

#next_token ⇒ Object 



42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
 
# File 'lib/sportdb/parser/racc_parser.rb', line 42

def next_token
  tok = @tokens.shift
 _trace( "next_token => #{tok.pretty_inspect}" )

  ##  convert to racc format single char literal tokens e.g. '@' etc.
  ##                  note - literal token MUST be string (NOT symbol)
  ##    note - racc expects array with to items
  ##               -  item[0] is the token id
  ##               -  item[1] is the token value

  ## note - returns nil for end-of-file !!!
  tok = [tok.type, tok]   if tok

  tok
end

#on_error(error_token_id, error_value, value_stack) ⇒ Object 



79
80
81
82
83
84
85
86
87
88
89
 
# File 'lib/sportdb/parser/racc_parser.rb', line 79

def on_error(error_token_id, error_value, value_stack)
  ## auto-add error_token (as string)
  error_token = Racc_token_to_s_table[error_token_id]
  args = [error_token, error_token_id, error_value, value_stack]

  puts
  puts "!! on parse error:"
  puts "args=#{args.pretty_inspect}"

  @errors << "parse error on token: #{error_token} >#{error_value.pretty_inspect}<, stack: #{value_stack.pretty_inspect}"
end

#parse ⇒ Object

convenience shortcut (ignores errors)



69
70
71
72
 
# File 'lib/sportdb/parser/racc_parser.rb', line 69

def parse  ## convenience shortcut (ignores errors)
  tree, _ = parse_with_errors
  tree
end

#parse_with_errors ⇒ Object

on_error do |error_token_id, error_value, value_stack|

    puts "Parse error on token: #{error_token_id}, value: #{error_value}"
end



63
64
65
66
67
 
# File 'lib/sportdb/parser/racc_parser.rb', line 63

def parse_with_errors
   _trace( "start parse:" )
   do_parse
   [@tree, @errors]
end

#trace(msg) ⇒ Object

fix-fix-fix rename to _trace

check lexer - add [debug] Parser -  or such!!!

debug - trace / print message



29
30
31
32
 
# File 'lib/sportdb/parser/racc_parser.rb', line 29

def trace( msg )
  puts " fix-fix-fix use _trace() in parser!!"
  puts "  [parse] " + msg
end