#include <stdio.h>

#include "parts/symbol.h"
enum symbol {
    PLUS = 0,
    MINUS,
    LPAREN,
    RPAREN,
    NUM,
    END_INPUT,

    EP, E, T,
    SYMBOLS_END,
};

size_t total_symbols = SYMBOLS_END;

IMPLEMENT_FUNCPTR(int, symbol_is_terminal, (symbol s)) { return s < EP; }
IMPLEMENT_FUNCPTR(int, symbol_is_input_end, (symbol s)) { return s == END_INPUT; }
IMPLEMENT_FUNCPTR(int, symbol_is_valid, (symbol s)) { return s < SYMBOLS_END; }

#include "parts/grammar.h"
#define PROD(LHS, _, ...) {LHS, (symbol[]){__VA_ARGS__}, sizeof((symbol[]){__VA_ARGS__})/sizeof(symbol)}
static struct production _grammar[] = {
    PROD(EP, ->, E, END_INPUT),
    PROD(E, -->, E, PLUS, T),
    PROD(E, -->, E, MINUS, T),
    PROD(E, -->, T),
    PROD(T, -->, LPAREN, E, RPAREN),
    PROD(T, -->, NUM),
};

struct production *grammar = _grammar;
size_t total_productions = sizeof(_grammar)/sizeof(*_grammar);

// #include "???.h"
char **semantic_action_str = (char *([])){
    "v = A(0);",
    "v = A(0) + A(2);",
    "v = A(0) - A(2);",
    "v = A(0);",
    "v = A(1);",
    "v = A(0);",
};