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#include "errors.h"

static const char* error_msgs[] = {
    [ERR_UNKNOWN] = "error: something unexpected happened",
    [ERR_UNMATCHED_STRING] = "error: unmatched string delimiter",
    [ERR_UNBALANCED_PAREN] = "error: unbalanced parentheses",
    [ERR_NOT_IMPLEMENTED] = "error: not implemented",
    [ERR_EOF_REACHED] = "error: EOF reached",
    [ERR_UNKNOWN_TOKEN] = "error: unknown token",
    [ERR_UNKNOWN_OBJ_TYPE] = "error: can't eval unknown object type",
    [ERR_NOT_A_SYMBOL] = "error: object is not a symbol",
    [ERR_SYMBOL_NOT_FOUND] = "error: symbol not found",
    [ERR_OBJ_NOT_CALLABLE] = "error: object is not callable",
    [ERR_NOT_ENOUGH_ARGS] = "error: not enough arguments",
    [ERR_TOO_MANY_ARGS] = "error: too many arguments",
    [ERR_WRONG_ARG_TYPE] = "error: wrong argument type",
    [ERR_DIVISION_BY_ZERO] = "error: division by zero",
    [ERR_PC_OOB] = "error: pc out of bounds",
    [ERR_EMPTY_CHUNK] = "error: empty chunk",
};

static Error errors[ERR_MAX_NUMBER];
static size_t errors_n = 0;
static bool supress_errors = false;

void
error_push(Error error) {
    if (errors_n < ERR_MAX_NUMBER) {
        errors[errors_n++] = error;
    }
}

void
report_errors(char *file_name) {
    for (size_t i = 0; i < errors_n; i++) {
        Error err = errors[i];
        fprintf(stderr, "%s", file_name);
        if (err.line != 0) {
            fprintf(stderr, ":%ld:%ld", err.line, err.col);
        }
        switch (err.type) {
            case ERR_TYPE_LEXER:    { fprintf(stderr, ": [lexer]");    } break;
            case ERR_TYPE_COMPILER: { fprintf(stderr, ": [compiler]"); } break;
            case ERR_TYPE_RUNTIME:  { fprintf(stderr, ": [runtime]");  } break;
            case ERR_TYPE_PARSER:   { fprintf(stderr, ": [parser]");   } break;
            default: break;
        }
        fprintf(stderr, " %s\n", error_msgs[err.value]);
    }
    errors_n = 0;
}