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/*:*
*: File: ./src/core/token.h
*: A simple interpreter
*:
*: WWW : http://fype.buetow.org
*: AUTHOR : http://paul.buetow.org
*: E-Mail : fype at dev.buetow.org
*:
*: Copyright (c) 2005 - 2009, Dipl.-Inform. (FH) Paul C. Buetow
*: All rights reserved.
*:
*: Redistribution and use in source and binary forms, with or without modi-
*: fication, are permitted provided that the following conditions are met:
*: * Redistributions of source code must retain the above copyright
*: notice, this list of conditions and the following disclaimer.
*: * Redistributions in binary form must reproduce the above copyright
*: notice, this list of conditions and the following disclaimer in the
*: documentation and/or other materials provided with the distribution.
*: * Neither the name of buetow.org nor the names of its contributors may
*: be used to endorse or promote products derived from this software
*: without specific prior written permission.
*:
*: THIS SOFTWARE IS PROVIDED BY PAUL C. BUETOW AS IS'' AND ANY EXPRESS OR
*: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
*: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
*: DISCLAIMED. IN NO EVENT SHALL PAUL C. BUETOW BE LIABLE FOR ANY DIRECT,
*: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
*: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
*: SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
*: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
*: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
*: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
*: POSSIBILITY OF SUCH DAMAGE.
*:*/
#ifndef TOKEN_H
#define TOKEN_H
#include "../defines.h"
#include "../data/array.h"
#define IS_TERMINAL(t) (START_TERMINALS < t && t < END_TERMINALS)
#define IS_NOT_TERMINAL(t) !IS_TERMINAL(t)
#define IS_TYPE(t) (START_TYPES < t && t < END_TYPES)
#define IS_NOT_TYPE(t) !IS_TYPE(t)
#define IS_KEYWORD(t) (START_KEYWORDS < t && t < END_KEYWORDS)
#define IS_NOT_KEYWORD(t) !IS_KEYWORD(t)
#define IS_OPERATOR(t) (START_OPERATORS < t && t < END_OPERATORS)
#define IS_NOT_OPERATOR(t) !IS_OPERATOR(t)
#define IS_NON_TERMINAL(t) (START_NON_TERMINALS < t && t < END_NON_TERMINALS)
#define IS_NOT_NON_TERMINAL(t) !IS_NON_TERMINAL(t)
#define IS_IDENT(t) (t == TT_IDENT)
#define IS_NOT_IDENT(t) !(IS_IDENT(t))
#define IS_ASSIGNABLE(t) (START_ASSIGNABLES < t && t < END_ASSIGNABLES)
#define IS_NUMERICAL(t) (START_NUMERICAL < t && t < END_NUMERICAL)
#define IS_NOT_NUMERICAL(t) !(IS_NUMERICAL(t))
#define token_get_filename(t) \
(t->c_filename != NULL ? t->c_filename : "Code string")
#define token_get_line_nr(t) t->i_line_nr
#define token_get_pos_nr(t) t->i_pos_nr
#define token_get_tt(t) (t ? t->tt_cur : TT_NONE)
#define token_get_val(t) t->c_val
#define token_get_ival(t) t->i_val
#define token_get_dval(t) t->d_val
#define token_set_tt(t,tt) t->tt_cur = tt
#define token_set_val(t,c) t->c_val = c
#define token_set_ival(t,i) t->i_val = i
#define token_set_dval(t,d) t->d_val = d
#define token_set_pos(t, l, p) t->i_line_nr = l; t->i_pos_nr = p
#define token_get_posnr(t) t->i_pos_nr
#define token_get_linenr(t) t->i_line_nr
#define token_ref_up(t) ++t->i_ref_count
#define token_ref_down(t) --t->i_ref_count
#define TOKEN_GET_ARRAY(t) t->p_array
typedef enum {
// Diverse
TT_NONE,
TT_END_OF_CODE,
TT_BOOL, // Temporaly disabled, maybe NUMERICAL in future again
// Diverse types
START_TERMINALS,
START_TYPES,
START_ASSIGNABLES,
START_NUMERICAL,
TT_INTEGER,
TT_DOUBLE,
END_NUMERICAL,
TT_STRING,
TT_ARRAY,
END_ASSIGNABLES,
TT_IDENT,
END_TYPES,
// Keywords
START_KEYWORDS,
TT_ELSE,
TT_BREAK,
TT_IF,
TT_IFNOT,
TT_RET,
TT_CONST,
TT_PROC,
TT_FUNC,
TT_MY,
TT_ARR,
TT_WHILE,
TT_UNTIL,
TT_NEXT,
TT_INT,
TT_DEFINED,
TT_UNDEF,
TT_SYMS,
END_KEYWORDS,
START_PARANTS,
TT_PARANT_CL,
TT_PARANT_CR,
TT_PARANT_AL,
TT_PARANT_AR,
TT_PARANT_L,
TT_PARANT_R,
END_PARANTS,
// Operators
START_OPERATORS,
TT_ADD,
TT_AND,
TT_AAND,
TT_ASSIGN,
TT_COMMA,
TT_DDOT,
TT_DECR,
TT_DIV,
TT_DOT,
TT_EQ,
TT_GE,
TT_GT,
TT_INCR,
TT_LE,
TT_LSHIFT,
TT_LT,
TT_MULT,
TT_NEQ,
TT_NOT,
TT_NOTEQ,
TT_OR,
TT_RE,
TT_RSHIFT,
TT_SEMICOLON,
TT_SUB,
TT_VID,
TT_XOR,
END_OPERATORS,
END_TERMINALS,
} TokenType;
typedef struct {
TokenType tt_cur;
char *c_val;
int i_val;
double d_val;
int i_line_nr;
int i_pos_nr;
char *c_filename;
unsigned int u_token_id;
int i_ref_count;
Array *p_array;
} Token;
Token* token_new(char *c_val, TokenType tt_cur, int i_line_nr,
int i_pos_nr, char *c_filename);
Token* token_new_integer(int i_val);
Token* token_new_couble(double d_val);
Token* token_new_string(char *c_val);
Token* token_new_array(int i_size);
Token* token_new_copy(Token *p_token);
Token* token_new_(char *c_val, TokenType tt_cur, char *c_filename);
Token* token_new_dummy();
void token_copy_vals(Token *p_token_to, Token *p_token_from);
void token_delete(Token *p_token);
void token_delete_cb(void *p_token);
void token_ref_down_cb(void *p_token);
void* token_copy_cb(void *p_token);
char* tt_get_name(TokenType tt_cur);
void token_print_cb(void *p_void);
void token_print(Token *p_token);
void token_print_val(Token *p_token);
TokenType get_tt(char *c_token);
#endif
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