in the middle of parsing

.gitignore

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+*\.idea
+*\.iml
+*\.pyc

IDLParser/__init__.py

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+__author__ = 'maluuba'

IDLParser/parser.py

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+#!/usr/bin/env python
+__author__ = 'maluuba'
+from scanner import lexer, tokens
+from ply.yacc import yacc
+
+def p_assignment(p):
+  'assignment : identifier ASSIGN intconstant'
+  p[0] = (p[1], p[3])
+
+def p_type(p):
+  '''type : Boolean
+  | Double
+  | String
+  | Object
+  | Set LT type GT
+  | List LT type GT
+  | Map LT type COMMA type GT'''
+  if len(p) == 2:
+    p[0] = p[1]
+  elif len(p) == 5:
+    p[0] = (p[1], p[3])
+  elif len(p) == 7:
+    p[0] = (p[1], p[3], p[5])
+
+def p_declaration(p):
+  'declaration : intconstant SEMICOLON type identifier'
+  p[0] = (p[1], p[3])
+
+def p_declaration_list(p):
+  '''declaration_list : declaration
+                      | declaration_list COMMA declaration'''
+  if len(p) == 2:
+    p[0] = [p[1]]
+  if len(p) == 4:
+    p[0] = p[1] + [p[3]]
+
+def p_error(t):
+  print("Syntax error at '%s'" % t.value)
+
+start = 'declaration_list'
+parser = yacc()
+
+if __name__ == '__main__':
+  parser.parse('bool')

IDLParser/parsetab.py

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+
+# parsetab.py
+# This file is automatically generated. Do not edit.
+_tabversion = '3.2'
+
+_lr_method = 'LALR'
+
+_lr_signature = '\xbb1\xf9\x879\x04\x8d;g\xbcr\xa4^\xc1\x9dh'
+
+_lr_action_items = {'Map':([4,15,16,17,22,],[6,6,6,6,6,]),'GT':([8,9,10,12,20,21,23,24,25,26,],[-7,-6,-8,-5,23,24,-9,-10,26,-11,]),'Set':([4,15,16,17,22,],[7,7,7,7,7,]),'String':([4,15,16,17,22,],[8,8,8,8,8,]),'SEMICOLON':([1,],[4,]),'intconstant':([0,5,],[1,1,]),'Double':([4,15,16,17,22,],[9,9,9,9,9,]),'Object':([4,15,16,17,22,],[10,10,10,10,10,]),'List':([4,15,16,17,22,],[11,11,11,11,11,]),'LT':([6,7,11,],[15,16,17,]),'Boolean':([4,15,16,17,22,],[12,12,12,12,12,]),'COMMA':([2,3,8,9,10,12,14,18,19,23,24,26,],[5,-3,-7,-6,-8,-5,-4,-2,22,-9,-10,-11,]),'identifier':([8,9,10,12,13,23,24,26,],[-7,-6,-8,-5,18,-9,-10,-11,]),'$end':([2,3,14,18,],[0,-3,-4,-2,]),}
+
+_lr_action = { }
+for _k, _v in _lr_action_items.items():
+   for _x,_y in zip(_v[0],_v[1]):
+      if not _x in _lr_action:  _lr_action[_x] = { }
+      _lr_action[_x][_k] = _y
+del _lr_action_items
+
+_lr_goto_items = {'declaration':([0,5,],[3,14,]),'type':([4,15,16,17,22,],[13,19,20,21,25,]),'declaration_list':([0,],[2,]),}
+
+_lr_goto = { }
+for _k, _v in _lr_goto_items.items():
+   for _x,_y in zip(_v[0],_v[1]):
+       if not _x in _lr_goto: _lr_goto[_x] = { }
+       _lr_goto[_x][_k] = _y
+del _lr_goto_items
+_lr_productions = [
+  ("S' -> declaration_list","S'",1,None,None,None),
+  ('assignment -> identifier ASSIGN intconstant','assignment',3,'p_assignment','<stdin>',2),
+  ('declaration -> intconstant SEMICOLON type identifier','declaration',4,'p_declaration','<stdin>',2),
+  ('declaration_list -> declaration','declaration_list',1,'p_declaration_list','<stdin>',2),
+  ('declaration_list -> declaration_list COMMA declaration','declaration_list',3,'p_declaration_list','<stdin>',3),
+  ('type -> Boolean','type',1,'p_type','<stdin>',2),
+  ('type -> Double','type',1,'p_type','<stdin>',3),
+  ('type -> String','type',1,'p_type','<stdin>',4),
+  ('type -> Object','type',1,'p_type','<stdin>',5),
+  ('type -> Set LT type GT','type',4,'p_type','<stdin>',6),
+  ('type -> List LT type GT','type',4,'p_type','<stdin>',7),
+  ('type -> Map LT type COMMA type GT','type',6,'p_type','<stdin>',8),
+]

IDLParser/scanner.py

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+#!/usr/bin/env python
+__author__ = 'maluuba'
+from ply.lex import lex
+
+reserved = {
+  "namespace"   : 'namespace',
+  "persistent"  : 'persistent',
+  "response"    : 'response',
+  "include"     : 'include',
+  "import"      : 'import',
+  "void"        : 'void',
+  "bool"        : 'Boolean',
+  "i32"         : 'i32',
+  "i64"         : 'i64',
+  "double"      : 'Double',
+  "string"      : 'String',
+  "object"      : 'Object',
+  "map"         : 'Map',
+  "list"        : 'List',
+  "set"         : 'Set',
+  "enum"        : 'Enum',
+  "post"        : 'post',
+  "struct"      : 'struct',
+  "service"     : 'service',
+  "identifier"  : 'Identifier',
+  "index"       : 'Index',
+  "range-index" : 'RangeIndex'
+}
+
+tokens = list(reserved.values()) + [
+  'intconstant',
+  'identifier',
+#  'whitespace',
+#  'sillycomm',
+#  'multicomm',
+#  'doctext',
+#  'comment',
+#  'unixcomment',
+  'SEMICOLON',
+  'COMMA',
+  'ASSIGN',
+  'GT',
+  'LT',
+#  'symbol'
+]
+
+def t_identifier(t):
+  r'[a-zA-Z_][\-\.a-zA-Z_0-9]*'
+  t.type = reserved.get(t.value,'identifier')
+  return t
+
+t_intconstant   = r'[+-]?[0-9]+'
+#t_whitespace    = r'[ \t\r\n]+'
+#t_sillycomm     = r'"/*""*"*"*/"'
+#t_multicomm     = r'/*"[^*]"/"*([^*/]|[^*]"/"|"*"[^/])*"*"*"*/"'
+#t_doctext       = r'"/**"([^*/]|[^*]"/"|"*"[^/])*"*"*"*/"'
+#t_comment       = r'//[^\n]*'
+#t_unixcomment   = r'\#[^\n]*'
+t_SEMICOLON     = r':'
+t_COMMA         = r','
+t_ASSIGN        = r'\='
+t_GT            = r'>'
+t_LT            = r'<'
+#t_symbol        = r'[:;\,\{\}\(\)\=<>\[\]]'
+
+t_ignore        = r'[ \t\r\n]+'
+
+lexer = lex()
+
+