Function cypherComplete

tools/shell/linenoise.cpp:3299–3390

}

bool cypherComplete(const char* z) {
    enum TokenType { tkSEMI = 0, tkWS, tkOTHER };

    unsigned char state = 0; /* Current state, using numbers defined in header comment */
    unsigned char token;     /* Value of the next token */

    /* If triggers are not supported by this compile then the statement machine
    ** used to detect the end of a statement is much simpler
    */
    static const unsigned char trans[3][3] = {
        /* Token:           */
        /* State:       **  SEMI  WS  OTHER */
        /* 0 INVALID: */ {
            2,
            0,
            2,
        },
        /* 1   START: */
        {
            1,
            1,
            2,
        },
        /* 2  NORMAL: */
        {
            1,
            2,
            2,
        },
    };

    while (*z) {
        switch (*z) {
        case ';': { /* A semicolon */
            token = tkSEMI;
            break;
        }
        case ' ':
        case '\r':
        case '\t':
        case '\n':
        case '\f': { /* White space is ignored */
            token = tkWS;
            break;
        }
        case '/': { /* C-style comments */
            if (z[1] == '*') {
                z += 2;
                while (z[0] && (z[0] != '*' || z[1] != '/')) {
                    z++;
                }
                if (z[0] == 0)
                    return 0;
                z++;
                token = tkWS;
                break;
            } else if (z[1] == '/') {
                while (*z && *z != '\n') {