diff -r 000000000000 -r 86b7f6f9c5c0 include/tokenizer.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/include/tokenizer.h Tue Feb 15 18:57:52 2005 +0100 @@ -0,0 +1,170 @@ +/* + * libtu/tokenizer.h + * + * Copyright (c) Tuomo Valkonen 1999-2000. + * + * This file is distributed under the terms of the "Artistic License". + * See the included file LICENSE for details. + */ + +#ifndef __LIBTU_TOKENIZER_H +#define __LIBTU_TOKENIZER_H + +#include +#include "types.h" + + +#define TOK_SET_LONG(TOK, VAL) {(TOK)->type=TOK_LONG; (TOK)->u.lval=VAL;} +#define TOK_SET_DOUBLE(TOK, VAL) {(TOK)->type=TOK_DOUBLE; (TOK)->u.dval=VAL;} +#define TOK_SET_CHAR(TOK, VAL) {(TOK)->type=TOK_CHAR; (TOK)->u.cval=VAL;} +#define TOK_SET_STRING(TOK, VAL) {(TOK)->type=TOK_STRING; (TOK)->u.sval=VAL;} +#define TOK_SET_IDENT(TOK, VAL) {(TOK)->type=TOK_IDENT; (TOK)->u.sval=VAL;} +#define TOK_SET_COMMENT(TOK, VAL) {(TOK)->type=TOK_COMMENT; (TOK)->u.sval=VAL;} +#define TOK_SET_OP(TOK, VAL) {(TOK)->type=TOK_OP; (TOK)->u.opval=VAL;} + +#define TOK_TYPE(TOK) ((TOK)->type) +#define TOK_LONG_VAL(TOK) ((TOK)->u.lval) +#define TOK_DOUBLE_VAL(TOK) ((TOK)->u.dval) +#define TOK_CHAR_VAL(TOK) ((TOK)->u.cval) +#define TOK_STRING_VAL(TOK) ((TOK)->u.sval) +#define TOK_IDENT_VAL(TOK) ((TOK)->u.sval) +#define TOK_COMMENT_VAL(TOK) ((TOK)->u.sval) +#define TOK_OP_VAL(TOK) ((TOK)->u.opval) + +#define TOK_IS_LONG(TOK) ((TOK)->type==TOK_LONG) +#define TOK_IS_DOUBLE(TOK) ((TOK)->type==TOK_DOUBLE) +#define TOK_IS_CHAR(TOK) ((TOK)->type==TOK_CHAR) +#define TOK_IS_STRING(TOK) ((TOK)->type==TOK_STRING) +#define TOK_IS_IDENT(TOK) ((TOK)->type==TOK_IDENT) +#define TOK_IS_COMMENT(TOK) ((TOK)->type==TOK_COMMENT) +#define TOK_IS_OP(TOK) ((TOK)->type==TOK_OP) + +#define TOK_OP_IS(TOK, OP) ((TOK)->type==TOK_OP && (TOK)->u.opval==(OP)) + +#define TOK_TAKE_STRING_VAL(TOK) ((TOK)->type=TOK_INVALID, (TOK)->u.sval) +#define TOK_TAKE_IDENT_VAL(TOK) ((TOK)->type=TOK_INVALID, (TOK)->u.sval) +#define TOK_TAKE_COMMENT_VAL(TOK) ((TOK)->type=TOK_INVALID, (TOK)->u.sval) + + +enum{ + TOK_INVALID=0, + TOK_LONG, + TOK_DOUBLE, + TOK_CHAR, + TOK_STRING, + TOK_IDENT, + TOK_COMMENT, + TOK_OP +}; + + +enum{ +#define OP2(X,Y) ((X)|((Y)<<8)) +#define OP3(X,Y,Z) ((X)|((Y)<<8)|((Z)<<16)) + + OP_L_PAR= '(', OP_R_PAR= ')', OP_L_BRK= '[', OP_R_BRK= ']', + OP_L_BRC= '{', OP_R_BRC= '}', OP_COMMA= ',', OP_SCOLON= ';', + + OP_PLUS= '+', OP_MINUS= '-', OP_MUL= '*', OP_DIV= '/', + OP_MOD= '%', OP_POW= '^', OP_OR= '|', OP_AND= '&', + /*OP_NOT= '~',*/ OP_NOT= '!', OP_ASGN= '=', OP_LT= '<', + OP_GT= '>', OP_DOT= '.', OP_COLON= ':', OP_QMARK= '?', + OP_AT= '@', + OP_NEXTLINE='\n',OP_EOF= -1, + + OP_INC= OP2('+','+'), OP_DEC= OP2('-','-'), + OP_LSHIFT= OP2('<','<'), OP_RSHIFT= OP2('>','>'), + OP_AS_INC= OP2('+','='), OP_AS_DEC= OP2('-','='), + OP_AS_MUL= OP2('*','='), OP_AS_DIV= OP2('/','='), + OP_AS_MOD= OP2('%','='), OP_AS_POW= OP2('^','='), + +/* AS_OR= OP2('|','='), AS_AND= OP2('&','='), */ + OP_EQ= OP2('=','='), OP_NE= OP2('!','='), + OP_LE= OP2('<','='), OP_GE= OP2('>','=') + +/* L_AND= OP2('&','&'), L_OR= OP2('|','|'), + L_XOR= OP2('^','^'), */ + +/* AsLShift= OP3('<','<','='), + AsRShift= OP3('>','>','='), */ + +#undef OP2 +#undef OP3 +}; + + +typedef struct{ + int type; + int line; + union{ + long lval; + double dval; + char cval; + char *sval; + int opval; + } u; +} Token; + +#define TOK_INIT {0, 0, {0}} + + +extern void tok_free(Token*tok); +extern void tok_init(Token*tok); + + +/* */ + + +enum{ + TOKZ_IGNORE_NEXTLINE=0x1, + TOKZ_READ_COMMENTS=0x2, + TOKZ_PARSER_INDENT_MODE=0x4 +}; + + +enum{ + E_TOKZ_UNEXPECTED_EOF=1, + E_TOKZ_UNEXPECTED_EOL, + E_TOKZ_EOL_EXPECTED, + E_TOKZ_INVALID_CHAR, + E_TOKZ_TOOBIG, + E_TOKZ_NUMFMT, + E_TOKZ_NUM_JUNK, + E_TOKZ_NOTINT, + E_TOKZ_RANGE, + E_TOKZ_MULTICHAR, + + E_TOKZ_TOKEN_LIMIT, + E_TOKZ_UNKNOWN_OPTION, + E_TOKZ_SYNTAX, + E_TOKZ_INVALID_ARGUMENT, + E_TOKZ_EOS_EXPECTED, + E_TOKZ_TOO_FEW_ARGS, + E_TOKZ_TOO_MANY_ARGS, + E_TOKZ_MAX_NEST, + E_TOKZ_UNEXPECTED_EOS, + E_TOKZ_IDENTIFIER_EXPECTED +}; + + +struct _ConfOpt; + +typedef struct{ + FILE *file; + const char *name; + int flags; + int line; + int ungetc; + const struct _ConfOpt **optstack; + int nest_lvl; + void *user_data; +} Tokenizer; + + +extern Tokenizer *tokz_open(const char *fname); +extern Tokenizer *tokz_open_file(FILE *file); +extern void tokz_close(Tokenizer *tokz); +extern bool tokz_get_token(Tokenizer *tokz, Token *tok); +extern void tokz_warn_error(const Tokenizer *tokz, int line, int e); + +#endif /* __LIBTU_TOKENIZER_H */