Module: XRay::JS::Stat::Switch

Included in:
Stat
Defined in:
lib/js/stat/switch.rb

Instance Method Summary collapse

Instance Method Details

#parse_stat_caseblock ⇒ Object 



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# File 'lib/js/stat/switch.rb', line 17

def parse_stat_caseblock
  log 'parse stat caseblock'

  pos = skip /\{/
  case_clauses = check(/case\b/) ? parse_stat_caseclauses : nil
  default_clause = check(/default\b/) ? parse_stat_defaultclause : nil
  bottom_case_clauses = check(/case\b/) ? parse_stat_caseclauses : nil
  skip /\}/

  create_element CaseBlockStatement, case_clauses, default_clause, 
      bottom_case_clauses, pos
end

#parse_stat_caseclause ⇒ Object 



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# File 'lib/js/stat/switch.rb', line 36

def parse_stat_caseclause
  log 'parse stat caseclause'

  pos = skip /case/
  expr = parse_expression
  skip /:/
  stats = parse_statement_list
  create_element Statement, 'caseclause', expr, stats, pos
end

#parse_stat_caseclauses ⇒ Object 



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# File 'lib/js/stat/switch.rb', line 30

def parse_stat_caseclauses
  log 'parse stat caseclauses'
  stats = batch(:parse_stat_caseclause, /default\b|\}/)
  create_element Elements, stats 
end

#parse_stat_defaultclause ⇒ Object 



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# File 'lib/js/stat/switch.rb', line 46

def parse_stat_defaultclause
  log 'parse stat defaultclause'

  pos = skip /default\s*:/
  stats = parse_statement_list 
  create_element Statement, 'defaultclause', stats, nil, pos
end

#parse_stat_switch ⇒ Object 



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# File 'lib/js/stat/switch.rb', line 6

def parse_stat_switch
  log 'parse stat switch'

  pos = skip /switch\s*\(/
  expression = parse_expression
  skip /\)/
  block = parse_stat_caseblock
  
  create_element SwitchStatement, expression, block, pos
end