OLD | NEW |
(Empty) | |
| 1 # ---------------------------------------------------------------------- |
| 2 # ctokens.py |
| 3 # |
| 4 # Token specifications for symbols in ANSI C and C++. This file is |
| 5 # meant to be used as a library in other tokenizers. |
| 6 # ---------------------------------------------------------------------- |
| 7 |
| 8 # Reserved words |
| 9 |
| 10 tokens = [ |
| 11 # Literals (identifier, integer constant, float constant, string constant, c
har const) |
| 12 'ID', 'TYPEID', 'INTEGER', 'FLOAT', 'STRING', 'CHARACTER', |
| 13 |
| 14 # Operators (+,-,*,/,%,|,&,~,^,<<,>>, ||, &&, !, <, <=, >, >=, ==, !=) |
| 15 'PLUS', 'MINUS', 'TIMES', 'DIVIDE', 'MODULO', |
| 16 'OR', 'AND', 'NOT', 'XOR', 'LSHIFT', 'RSHIFT', |
| 17 'LOR', 'LAND', 'LNOT', |
| 18 'LT', 'LE', 'GT', 'GE', 'EQ', 'NE', |
| 19 |
| 20 # Assignment (=, *=, /=, %=, +=, -=, <<=, >>=, &=, ^=, |=) |
| 21 'EQUALS', 'TIMESEQUAL', 'DIVEQUAL', 'MODEQUAL', 'PLUSEQUAL', 'MINUSEQUAL', |
| 22 'LSHIFTEQUAL','RSHIFTEQUAL', 'ANDEQUAL', 'XOREQUAL', 'OREQUAL', |
| 23 |
| 24 # Increment/decrement (++,--) |
| 25 'INCREMENT', 'DECREMENT', |
| 26 |
| 27 # Structure dereference (->) |
| 28 'ARROW', |
| 29 |
| 30 # Ternary operator (?) |
| 31 'TERNARY', |
| 32 |
| 33 # Delimeters ( ) [ ] { } , . ; : |
| 34 'LPAREN', 'RPAREN', |
| 35 'LBRACKET', 'RBRACKET', |
| 36 'LBRACE', 'RBRACE', |
| 37 'COMMA', 'PERIOD', 'SEMI', 'COLON', |
| 38 |
| 39 # Ellipsis (...) |
| 40 'ELLIPSIS', |
| 41 ] |
| 42 |
| 43 # Operators |
| 44 t_PLUS = r'\+' |
| 45 t_MINUS = r'-' |
| 46 t_TIMES = r'\*' |
| 47 t_DIVIDE = r'/' |
| 48 t_MODULO = r'%' |
| 49 t_OR = r'\|' |
| 50 t_AND = r'&' |
| 51 t_NOT = r'~' |
| 52 t_XOR = r'\^' |
| 53 t_LSHIFT = r'<<' |
| 54 t_RSHIFT = r'>>' |
| 55 t_LOR = r'\|\|' |
| 56 t_LAND = r'&&' |
| 57 t_LNOT = r'!' |
| 58 t_LT = r'<' |
| 59 t_GT = r'>' |
| 60 t_LE = r'<=' |
| 61 t_GE = r'>=' |
| 62 t_EQ = r'==' |
| 63 t_NE = r'!=' |
| 64 |
| 65 # Assignment operators |
| 66 |
| 67 t_EQUALS = r'=' |
| 68 t_TIMESEQUAL = r'\*=' |
| 69 t_DIVEQUAL = r'/=' |
| 70 t_MODEQUAL = r'%=' |
| 71 t_PLUSEQUAL = r'\+=' |
| 72 t_MINUSEQUAL = r'-=' |
| 73 t_LSHIFTEQUAL = r'<<=' |
| 74 t_RSHIFTEQUAL = r'>>=' |
| 75 t_ANDEQUAL = r'&=' |
| 76 t_OREQUAL = r'\|=' |
| 77 t_XOREQUAL = r'\^=' |
| 78 |
| 79 # Increment/decrement |
| 80 t_INCREMENT = r'\+\+' |
| 81 t_DECREMENT = r'--' |
| 82 |
| 83 # -> |
| 84 t_ARROW = r'->' |
| 85 |
| 86 # ? |
| 87 t_TERNARY = r'\?' |
| 88 |
| 89 # Delimeters |
| 90 t_LPAREN = r'\(' |
| 91 t_RPAREN = r'\)' |
| 92 t_LBRACKET = r'\[' |
| 93 t_RBRACKET = r'\]' |
| 94 t_LBRACE = r'\{' |
| 95 t_RBRACE = r'\}' |
| 96 t_COMMA = r',' |
| 97 t_PERIOD = r'\.' |
| 98 t_SEMI = r';' |
| 99 t_COLON = r':' |
| 100 t_ELLIPSIS = r'\.\.\.' |
| 101 |
| 102 # Identifiers |
| 103 t_ID = r'[A-Za-z_][A-Za-z0-9_]*' |
| 104 |
| 105 # Integer literal |
| 106 t_INTEGER = r'\d+([uU]|[lL]|[uU][lL]|[lL][uU])?' |
| 107 |
| 108 # Floating literal |
| 109 t_FLOAT = r'((\d+)(\.\d+)(e(\+|-)?(\d+))? | (\d+)e(\+|-)?(\d+))([lL]|[fF])?' |
| 110 |
| 111 # String literal |
| 112 t_STRING = r'\"([^\\\n]|(\\.))*?\"' |
| 113 |
| 114 # Character constant 'c' or L'c' |
| 115 t_CHARACTER = r'(L)?\'([^\\\n]|(\\.))*?\'' |
| 116 |
| 117 # Comment (C-Style) |
| 118 def t_COMMENT(t): |
| 119 r'/\*(.|\n)*?\*/' |
| 120 t.lexer.lineno += t.value.count('\n') |
| 121 return t |
| 122 |
| 123 # Comment (C++-Style) |
| 124 def t_CPPCOMMENT(t): |
| 125 r'//.*\n' |
| 126 t.lexer.lineno += 1 |
| 127 return t |
| 128 |
| 129 |
| 130 |
| 131 |
| 132 |
| 133 |
OLD | NEW |