Class: RaccMatchParser

Inherits:
Racc::Parser show all
Defined in:
lib/sportdb/parser/racc_tree.rb,
lib/sportdb/parser/parser.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, HRuler, Heading1, Heading2, Heading3, Lineup, LineupLine, MatchLine, MatchLineBye, MatchLineLegs, MatchLineWalkover, Minute, NotaBene, NoteLine, PenaltiesLine, Penalty, Referee, RefereeLine, RoundDef, RoundOutline, Sub, TableDivider, TableHeading, TableLine, TableNote

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 = 
[
"$end",
"error",
"BLANK",
"H1",
"NEWLINE",
"H2",
"H3",
"TABLE_HEADING",
"TABLE_LINE",
"TABLE_NOTE",
"TABLE_DIVIDER",
"NOTE",
"NOTA_BENE",
"HRULER",
"\"|\"",
"\":\"",
"GROUP_DEF",
"TEAM",
"\",\"",
"ROUND_OUTLINE",
"ROUND_DEF",
"DATE",
"DURATION",
"YEAR",
"DATETIME",
"TIME",
"DATE_LEGS",
"STATUS",
"INLINE_ATTENDANCE",
"INLINE_ATTENDANCE_SEP",
"SCORE_LEGS",
"INLINE_GOALS",
"GOALS_END",
"TEAMALT",
"TEAMALT_PEN",
"TEAMALT_NUM",
"TTY_TEXT",
"TTY_NUM",
"ORD",
"\"@\"",
"GEO",
"TEAM_HOME",
"TEAM_AWAY",
"TEAM_NEUTRAL",
"INLINE_BYE",
"INLINE_WO",
"\"-\"",
"VS",
"INLINE_NP",
"INLINE_CANC",
"INLINE_PPD",
"SCORE_FULL",
"SCORE_FULLER",
"SCORE",
"SCORE_AWD",
"INLINE_AWD",
"SCORE_ABD",
"INLINE_ABD",
"INLINE_VOID",
"INLINE_SUSP",
"SCORE_FULLER_MORE",
"GOALS",
"GOALS_NONE",
"\";\"",
"GOAL_SEP_ALT",
"PLAYER",
"GOAL_COUNT",
"GOAL_MINUTE_SEP",
"GOAL_MINUTE",
"GOALS_ALT",
"GOAL_TYPE",
"GOALS_COMPAT",
"MINUTE",
"PROP_ATTENDANCE",
"PROP_NUM",
"PROP_END",
"PROP_REFEREE",
"ATTENDANCE",
"PROP_NAME",
"ENCLOSED_NAME",
"PROP_PENALTIES",
"PROP_YELLOWCARDS",
"PROP_REDCARDS",
"PROP",
"COACH",
"INLINE_CAPTAIN",
"\"(\"",
"\")\"",
"INLINE_YELLOW",
"INLINE_YELLOW_RED",
"INLINE_RED",
"$start",
"document",
"elements",
"element",
"heading",
"group_def",
"round_def",
"round_outline",
"date_header",
"match_line_with_header",
"match_line",
"match_line_alt",
"date_header_legs",
"match_line_legs",
"note_line",
"nota_bene",
"hruler",
"table_line",
"goal_lines",
"goal_lines_alt",
"goal_lines_compat",
"lineup_lines",
"yellowcard_lines",
"redcard_lines",
"penalties_lines",
"referee_line",
"attendance_line",
"group_def_sep",
"team_values",
"round_def_sep",
"round_date_opts",
"date",
"datetime",
"time",
"date_clause",
"opt_date",
"opt_blank_lines",
"blank_lines",
"match_header",
"match_line_header",
"opt_ord",
"match",
"more_match_header_opts",
"match_line_alt_props",
"geo_opts",
"opt_inline_attendance",
"inline_attendance",
"match_fixture",
"opt_inline_note",
"match_opts",
"more_match_opts",
"match_bye",
"match_walkover",
"match_result",
"goal_lines_body",
"match_alt_inline",
"match_alt_block",
"opt_status_line",
"opt_newline",
"ord",
"opt_geo",
"geo_values",
"match_fixture_not_played",
"match_fixture_postponed",
"match_fixture_base",
"match_result_base",
"match_sep",
"score_full_or_fuller",
"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",
"penalties_body",
"penalty",
"penalty_sep",
"card_body",
"player_w_minute",
"card_sep",
"lineup",
"coach_opt",
"lineup_name",
"lineup_sep",
"lineup_cards_opts",
"cards",
"lineup_captain_opt",
"lineup_name_plus_cards_opts",
"lineup_sub_opts" ]
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.



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# File 'lib/sportdb/parser/racc_parser.rb', line 8

def initialize( txt,  debug: false )
  ## puts "==> txt:"
  ## puts txt
 
  @tree   = [] 
  @errors = []

  ### todo:
  ##  -  pass along debug flag
  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
  
  ## quick hack - convert to racc format single char literal tokens e.g. '@' etc.
  @tokens = @tokens.map do |tok|
               if tok.size == 1
                 [tok[0].to_s, tok[0].to_s]
               else 
                 tok
               end
             end
end

Instance Attribute Details

#errors ⇒ Object (readonly)

Returns the value of attribute errors.



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# File 'lib/sportdb/parser/racc_parser.rb', line 66

def errors
  @errors
end

Instance Method Details

#_reduce_none(val, _values, result) ⇒ Object 



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# File 'lib/sportdb/parser/parser.rb', line 2478

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

#debug(value) ⇒ Object

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



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# File 'lib/sportdb/parser/racc_parser.rb', line 33

def debug( value ) @debug = value; end

#debug? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/sportdb/parser/racc_parser.rb', line 34

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

#errors? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/sportdb/parser/racc_parser.rb', line 67

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

#next_token ⇒ Object 



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# File 'lib/sportdb/parser/racc_parser.rb', line 44

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

#on_error(error_token_id, error_value, value_stack) ⇒ Object 



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

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_token_id}) with value: #{error_value}, stack: #{value_stack.pretty_inspect}" 
  ## exit 1  ##   exit for now  -  get and print more info about context etc.!!
end

#parse ⇒ Object

convenience shortcut (ignores errors)



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# File 'lib/sportdb/parser/racc_parser.rb', line 60

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



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# File 'lib/sportdb/parser/racc_parser.rb', line 54

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

#trace(msg) ⇒ Object

debug - trace / print message



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# File 'lib/sportdb/parser/racc_parser.rb', line 37

def trace( msg )
   puts "  [parse] " + msg    if debug?
end