"""
GTSAM Copyright 2010-2020, Georgia Tech Research Corporation,
Atlanta, Georgia 30332-0415
All Rights Reserved

See LICENSE for the license information

All the token definitions.

Author: Duy Nguyen Ta, Fan Jiang, Matthew Sklar, Varun Agrawal, and Frank Dellaert
"""

from pyparsing import Keyword, Literal, Suppress, Word, alphanums, alphas, nums

# rule for identifiers (e.g. variable names)
IDENT = Word(alphas + '_', alphanums + '_') ^ Word(nums)

RAW_POINTER, SHARED_POINTER, REF = map(Literal, "@*&")

LPAREN, RPAREN, LBRACE, RBRACE, COLON, SEMI_COLON = map(Suppress, "(){}:;")
LOPBRACK, ROPBRACK, COMMA, EQUAL = map(Suppress, "<>,=")
CONST, VIRTUAL, CLASS, STATIC, PAIR, TEMPLATE, TYPEDEF, INCLUDE = map(
    Keyword,
    [
        "const",
        "virtual",
        "class",
        "static",
        "pair",
        "template",
        "typedef",
        "#include",
    ],
)
NAMESPACE = Keyword("namespace")
BASIS_TYPES = map(
    Keyword,
    [
        "void",
        "bool",
        "unsigned char",
        "char",
        "int",
        "size_t",
        "double",
        "float",
    ],
)