token.h

/* Group 3
Ashrya Agrawal          2018A7PS0210P
Kalit Naresh Inani      2018A7PS0207P
Prajwal Gupta           2018A7PS0231P */


#ifndef LEX_DEF_
#define LEX_DEF_

#define NUM_TOKENS 33

static char *TOKENS[NUM_TOKENS] = {
    "PROGRAM",
    "DECLARE",
    "LIST",
    "OF",
    "VARIABLES",
    "ARRAY",
    "SIZE",
    "VALUES",
    "JAGGED",
    "INTEGER",
    "REAL",
    "BOOLEAN",
    "RBOP",
    "RBCL",
    "CBOP",
    "CBCL",
    "SBOP",
    "SBCL",
    "COLON",
    "SEMICOLON",
    "PLUS",
    "MINUS",
    "MULT",
    "DIV",
    "AND",
    "OR",
    "TWODOT",
    "R",
    "EQUALS",
    "ID",
    "NUM",
    "EPS",
    "ERR"};

typedef enum TokenName
{
    // Add tokens here
    PROGRAM,
    DECLARE,
    LIST,
    OF,
    VARIABLES,
    ARRAY,
    SIZE,
    VALUES,
    JAGGED,
    INTEGER,
    REAL,
    BOOLEAN,
    RBOP,
    RBCL,
    CBOP,
    CBCL,
    SBOP,
    SBCL,
    COLON,
    SEMICOLON,
    PLUS,
    MINUS,
    MULT,
    DIV,
    AND,
    OR,
    TWODOT,
    R,
    EQUALS,
    ID,
    NUM,
    EPS,
    ERR
} TokenName;

typedef union Value
{
    int INT_VALUE;
    float FLOAT_VALUE;
} Value;

struct token
{
    TokenName tokenName;
    char *lexeme;
    int lineNo;

    struct token *next;
};

typedef struct token Token;
#endif