📄 token.h
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#ifndef __TOKEN_H__
#define __TOKEN_H__
#define xx(a,b,c,d,e,f,g) a=b,
#define yy(a,b,c,d,e,f,g)
enum{
/*
xx(symbol, value, prec, op, optree, kind, string)
*/
yy(0, 0, 0, 0, 0, 0, 0)
xx(FLOAT, 1, 0, 0, 0, CHAR, "float")
xx(DOUBLE, 2, 0, 0, 0, CHAR, "double")
xx(CHAR, 3, 0, 0, 0, CHAR, "char")
xx(SHORT, 4, 0, 0, 0, CHAR, "short")
xx(LONG, 5, 0, 0, 0, CHAR, "long")
xx(INT, 6, 0, 0, 0, CHAR, "int")
xx(UNSIGNED, 7, 0, 0, 0, CHAR, "unsigned")
xx(POINTER, 8, 0, 0, 0, 0, 0)
xx(VOID, 9, 0, 0, 0, CHAR, "void")
xx(STRUCT, 10, 0, 0, 0, CHAR, "struct")
xx(UNION, 11, 0, 0, 0, CHAR, "union")
xx(FUNCTION, 12, 0, 0, 0, 0, 0)
xx(ARRAY, 13, 0, 0, 0, 0, 0)
xx(ENUM, 14, 0, 0, 0, CHAR, "enum")
xx(CONST, 15, 0, 0, 0, CHAR, "const")
xx(VOLATILE, 16, 0, 0, 0, CHAR, "volatile")
yy(0, 17, 0, 0, 0, 0, 0)
yy(0, 18, 0, 0, 0, 0, 0)
yy(0, 19, 0, 0, 0, 0, 0)
yy(0, 20, 0, 0, 0, 0, 0)
yy(0, 21, 0, 0, 0, 0, 0)
yy(0, 22, 0, 0, 0, 0, 0)
yy(0, 23, 0, 0, 0, 0, 0)
yy(0, 24, 0, 0, 0, 0, 0)
yy(0, 25, 0, 0, 0, 0, 0)
yy(0, 26, 0, 0, 0, 0, 0)
yy(0, 27, 0, 0, 0, 0, 0)
yy(0, 28, 0, 0, 0, 0, 0)
yy(0, 29, 0, 0, 0, 0, 0)
yy(0, 30, 0, 0, 0, 0, 0)
yy(0, 31, 0, 0, 0, 0, 0)
xx(ID, 32, 0, 0, 0, ID, "identifier")
yy(0, 33, 0, 0, 0, ID, "!")
xx(FCON, 34, 0, 0, 0, ID, "floating constant")
xx(ICON, 35, 0, 0, 0, ID, "integer constant")
xx(SCON, 36, 0, 0, 0, ID, "string constant")
yy(0, 37, 13, MOD, bittree, '%', "%")
yy(0, 38, 8, BAND, bittree, ID, "&")
xx(INCR, 39, 0, ADD, addtree, ID, "++")
yy(0, 40, 0, 0, 0, ID, "(")
yy(0, 41, 0, 0, 0, ')', ")")
yy(0, 42, 13, MUL, multree, ID, "*")
yy(0, 43, 12, ADD, addtree, ID, "+")
yy(0, 44, 1, 0, 0, ',', ",")
yy(0, 45, 12, SUB, subtree, ID, "-")
yy(0, 46, 0, 0, 0, '.', ".")
yy(0, 47, 13, DIV, multree, '/', "/")
xx(DECR, 48, 0, SUB, subtree, ID, "--")
xx(DEREF, 49, 0, 0, 0, DEREF, "->")
xx(ANDAND, 50, 5, AND, andtree, ANDAND, "&&")
xx(OROR, 51, 4, OR, andtree, OROR, "||")
xx(LEQ, 52, 10, LE, cmptree, LEQ, "<=")
xx(EQL, 53, 9, EQ, eqtree, EQL, "==")
xx(NEQ, 54, 9, NE, eqtree, NEQ, "!=")
xx(GEQ, 55, 10, GE, cmptree, GEQ, ">=")
xx(RSHIFT, 56, 11, RSH, shtree, RSHIFT, ">>")
xx(LSHIFT, 57, 11, LSH, shtree, LSHIFT, "<<")
yy(0, 58, 0, 0, 0, ':', ":")
yy(0, 59, 0, 0, 0, IF, ";")
yy(0, 60, 10, LT, cmptree, '<', "<")
yy(0, 61, 2, ASGN, asgntree, '=', "=")
yy(0, 62, 10, GT, cmptree, '>', ">")
yy(0, 63, 0, 0, 0, '?', "?")
xx(ELLIPSIS, 64, 0, 0, 0, ELLIPSIS,"...")
xx(SIZEOF, 65, 0, 0, 0, ID, "sizeof")
yy(0, 66, 0, 0, 0, 0, 0)
xx(AUTO, 67, 0, 0, 0, STATIC, "auto")
xx(BREAK, 68, 0, 0, 0, IF, "break")
xx(CASE, 69, 0, 0, 0, IF, "case")
xx(CONTINUE, 70, 0, 0, 0, IF, "continue")
xx(DEFAULT, 71, 0, 0, 0, IF, "default")
xx(DO, 72, 0, 0, 0, IF, "do")
xx(ELSE, 73, 0, 0, 0, IF, "else")
xx(EXTERN, 74, 0, 0, 0, STATIC, "extern")
xx(FOR, 75, 0, 0, 0, IF, "for")
xx(GOTO, 76, 0, 0, 0, IF, "goto")
xx(IF, 77, 0, 0, 0, IF, "if")
xx(REGISTER, 78, 0, 0, 0, STATIC, "register")
xx(RETURN, 79, 0, 0, 0, IF, "return")
xx(SIGNED, 80, 0, 0, 0, CHAR, "signed")
xx(STATIC, 81, 0, 0, 0, STATIC, "static")
xx(SWITCH, 82, 0, 0, 0, IF, "switch")
xx(TYPEDEF, 83, 0, 0, 0, STATIC, "typedef")
xx(WHILE, 84, 0, 0, 0, IF, "while")
yy(0, 85, 0, 0, 0, 0, 0)
yy(0, 86, 0, 0, 0, 0, 0)
yy(0, 87, 0, 0, 0, 0, 0)
yy(0, 88, 0, 0, 0, 0, 0)
yy(0, 89, 0, 0, 0, 0, 0)
yy(0, 90, 0, 0, 0, 0, 0)
yy(0, 91, 0, 0, 0, '[', "[")
yy(0, 92, 0, 0, 0, 0, 0)
yy(0, 93, 0, 0, 0, ']', "]")
yy(0, 94, 7, BXOR, bittree, '^', "^")
yy(0, 95, 0, 0, 0, 0, 0)
yy(0, 96, 0, 0, 0, 0, 0)
yy(0, 97, 0, 0, 0, 0, 0)
yy(0, 98, 0, 0, 0, 0, 0)
yy(0, 99, 0, 0, 0, 0, 0)
yy(0, 100, 0, 0, 0, 0, 0)
yy(0, 101, 0, 0, 0, 0, 0)
yy(0, 102, 0, 0, 0, 0, 0)
yy(0, 103, 0, 0, 0, 0, 0)
yy(0, 104, 0, 0, 0, 0, 0)
yy(0, 105, 0, 0, 0, 0, 0)
yy(0, 106, 0, 0, 0, 0, 0)
yy(0, 107, 0, 0, 0, 0, 0)
yy(0, 108, 0, 0, 0, 0, 0)
yy(0, 109, 0, 0, 0, 0, 0)
yy(0, 110, 0, 0, 0, 0, 0)
yy(0, 111, 0, 0, 0, 0, 0)
yy(0, 112, 0, 0, 0, 0, 0)
yy(0, 113, 0, 0, 0, 0, 0)
yy(0, 114, 0, 0, 0, 0, 0)
yy(0, 115, 0, 0, 0, 0, 0)
yy(0, 116, 0, 0, 0, 0, 0)
yy(0, 117, 0, 0, 0, 0, 0)
yy(0, 118, 0, 0, 0, 0, 0)
yy(0, 119, 0, 0, 0, 0, 0)
yy(0, 120, 0, 0, 0, 0, 0)
yy(0, 121, 0, 0, 0, 0, 0)
yy(0, 122, 0, 0, 0, 0, 0)
yy(0, 123, 0, 0, 0, IF, "{")
yy(0, 124, 6, BOR, bittree, '|', "|")
yy(0, 125, 0, 0, 0, '}', "}")
yy(0, 126, 0, BCOM, 0, ID, "~")
xx(EOI, 127, 0, 0, 0, EOI, "end of input")
xx(OPERATOR, 128, 0, 0, 0, 0, "operator")
xx(NUM, 129, 0, 0, 0, 0, "number")
xx(TYPE, 130, 0, 0, 0, 0, "var type")
};
#undef xx
#undef yy
int gettok(void);
#endif//__TOKEN_H__⌨️ 快捷键说明
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