JezK
Edit File: ctokens.py
# ---------------------------------------------------------------------- # ctokens.py # # Token specifications for symbols in ANSI C and C++. This file is # meant to be used as a library in other tokenizers. # ---------------------------------------------------------------------- # Reserved words tokens = [ # Literals (identifier, integer constant, float constant, string constant, char const) 'ID', 'TYPEID', 'ICONST', 'FCONST', 'SCONST', 'CCONST', # Operators (+,-,*,/,%,|,&,~,^,<<,>>, ||, &&, !, <, <=, >, >=, ==, !=) 'PLUS', 'MINUS', 'TIMES', 'DIVIDE', 'MOD', 'OR', 'AND', 'NOT', 'XOR', 'LSHIFT', 'RSHIFT', 'LOR', 'LAND', 'LNOT', 'LT', 'LE', 'GT', 'GE', 'EQ', 'NE', # Assignment (=, *=, /=, %=, +=, -=, <<=, >>=, &=, ^=, |=) 'EQUALS', 'TIMESEQUAL', 'DIVEQUAL', 'MODEQUAL', 'PLUSEQUAL', 'MINUSEQUAL', 'LSHIFTEQUAL','RSHIFTEQUAL', 'ANDEQUAL', 'XOREQUAL', 'OREQUAL', # Increment/decrement (++,--) 'PLUSPLUS', 'MINUSMINUS', # Structure dereference (->) 'ARROW', # Ternary operator (?) 'TERNARY', # Delimeters ( ) [ ] { } , . ; : 'LPAREN', 'RPAREN', 'LBRACKET', 'RBRACKET', 'LBRACE', 'RBRACE', 'COMMA', 'PERIOD', 'SEMI', 'COLON', # Ellipsis (...) 'ELLIPSIS', ] # Operators t_PLUS = r'\+' t_MINUS = r'-' t_TIMES = r'\*' t_DIVIDE = r'/' t_MODULO = r'%' t_OR = r'\|' t_AND = r'&' t_NOT = r'~' t_XOR = r'\^' t_LSHIFT = r'<<' t_RSHIFT = r'>>' t_LOR = r'\|\|' t_LAND = r'&&' t_LNOT = r'!' t_LT = r'<' t_GT = r'>' t_LE = r'<=' t_GE = r'>=' t_EQ = r'==' t_NE = r'!=' # Assignment operators t_EQUALS = r'=' t_TIMESEQUAL = r'\*=' t_DIVEQUAL = r'/=' t_MODEQUAL = r'%=' t_PLUSEQUAL = r'\+=' t_MINUSEQUAL = r'-=' t_LSHIFTEQUAL = r'<<=' t_RSHIFTEQUAL = r'>>=' t_ANDEQUAL = r'&=' t_OREQUAL = r'\|=' t_XOREQUAL = r'^=' # Increment/decrement t_INCREMENT = r'\+\+' t_DECREMENT = r'--' # -> t_ARROW = r'->' # ? t_TERNARY = r'\?' # Delimeters t_LPAREN = r'\(' t_RPAREN = r'\)' t_LBRACKET = r'\[' t_RBRACKET = r'\]' t_LBRACE = r'\{' t_RBRACE = r'\}' t_COMMA = r',' t_PERIOD = r'\.' t_SEMI = r';' t_COLON = r':' t_ELLIPSIS = r'\.\.\.' # Identifiers t_ID = r'[A-Za-z_][A-Za-z0-9_]*' # Integer literal t_INTEGER = r'\d+([uU]|[lL]|[uU][lL]|[lL][uU])?' # Floating literal t_FLOAT = r'((\d+)(\.\d+)(e(\+|-)?(\d+))? | (\d+)e(\+|-)?(\d+))([lL]|[fF])?' # String literal t_STRING = r'\"([^\\\n]|(\\.))*?\"' # Character constant 'c' or L'c' t_CHARACTER = r'(L)?\'([^\\\n]|(\\.))*?\'' # Comment (C-Style) def t_COMMENT(t): r'/\*(.|\n)*?\*/' t.lexer.lineno += t.value.count('\n') return t # Comment (C++-Style) def t_CPPCOMMENT(t): r'//.*\n' t.lexer.lineno += 1 return t