pikapython/port/cmsis-pack/pikascript/pikascript-core/PikaParser.c

/*
 * This file is part of the PikaScript project.
 * http://github.com/pikastech/pikascript
 *
 * MIT License
 *
 * Copyright (c) 2021 lyon 李昂 liang6516@outlook.com
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include "PikaParser.h"
#include "BaseObj.h"
#include "PikaObj.h"
#include "dataQueue.h"
#include "dataQueueObj.h"
#include "dataStack.h"
#include "dataStrs.h"

/* local head */
typedef QueueObj AST;
char* AST_genAsm(AST* ast, Args* outBuffs);
char* Lexer_parseLine(Args* outBuffs, char* stmt);
int32_t AST_deinit(AST* ast);
char* Parser_linesToAsm(Args* outBuffs, char* multiLine);
uint8_t Parser_isContainToken(char* tokens,
                              enum TokenType token_type,
                              char* pyload);
void Cursor_init(struct Cursor* cs);
void Cursor_parse(struct Cursor* cs, char* stmt);
void Cursor_deinit(struct Cursor* cs);
void Cursor_beforeIter(struct Cursor* cs);
void Cursor_iterStart(struct Cursor* cs);
void Cursor_iterEnd(struct Cursor* cs);
char* Cursor_popToken(Args* buffs, char** tokens, char* devide);
char* Parser_popToken(Args* buffs_p, char* tokens);

uint16_t Tokens_getSize(char* tokens) {
    if (strEqu("", tokens)) {
        return 0;
    }
    return strCountSign(tokens, 0x1F) + 1;
}

char* strsPopTokenWithSkip_byStr(Args* outBuffs,
                                 char* stmts,
                                 char* str,
                                 char skipStart,
                                 char skipEnd) {
    uint8_t divider_index = 0;
    Arg* keeped_arg = arg_newStr("");
    Arg* poped_arg = arg_newStr("");
    Cursor_forEachToken(cs, stmts) {
        Cursor_iterStart(&cs);
        if (cs.branket_deepth == 0) {
            if (strEqu(str, cs.token1.pyload)) {
                divider_index = cs.iter_index;
            }
        }
        Cursor_iterEnd(&cs);
    }
    Cursor_deinit(&cs);
    Cursor_forEachTokenExistPs(cs, stmts) {
        Cursor_iterStart(&cs);
        if (cs.iter_index < divider_index) {
            poped_arg = arg_strAppend(poped_arg, cs.token1.pyload);
        }
        if (cs.iter_index > divider_index) {
            keeped_arg = arg_strAppend(keeped_arg, cs.token1.pyload);
        }
        Cursor_iterEnd(&cs);
    }
    Cursor_deinit(&cs);
    char* keeped = arg_getStr(keeped_arg);
    char* poped = strsCopy(outBuffs, arg_getStr(poped_arg));
    __platform_memcpy(stmts, keeped, strGetSize(keeped) + 1);
    arg_deinit(poped_arg);
    arg_deinit(keeped_arg);
    return poped;
}

char* strsGetCleanCmd(Args* outBuffs, char* cmd) {
    pika_assert(cmd != NULL);
    int32_t size = strGetSize(cmd);
    /* lexer may generate more chars than input */
    char* strOut = args_getBuff(outBuffs, size * 2);
    int32_t iOut = 0;
    Cursor_forEachToken(cs, cmd) {
        Cursor_iterStart(&cs);
        for (uint16_t k = 0; k < strGetSize(cs.token1.pyload); k++) {
            strOut[iOut] = cs.token1.pyload[k];
            iOut++;
        }
        Cursor_iterEnd(&cs);
    }
    Cursor_deinit(&cs);
    /* add \0 */
    strOut[iOut] = 0;
    return strOut;
}

char* strsDeleteBetween(Args* buffs_p, char* strIn, char begin, char end) {
    int32_t size = strGetSize(strIn);
    char* strOut = args_getBuff(buffs_p, size);
    uint8_t deepth = 0;
    uint32_t iOut = 0;
    for (int i = 0; i < size; i++) {
        if (end == strIn[i]) {
            deepth--;
        }
        if (0 == deepth) {
            strOut[iOut] = strIn[i];
            iOut++;
        }
        if (begin == strIn[i]) {
            deepth++;
        }
    }
    strOut[iOut] = 0;
    return strOut;
}

static uint8_t Lexer_isError(char* line) {
    Args buffs = {0};
    uint8_t res = 0; /* not error */
    char* tokens = Lexer_parseLine(&buffs, line);
    if (NULL == tokens) {
        res = 1; /* lex error */
        goto exit;
    }
    goto exit;
exit:
    strsDeinit(&buffs);
    return res;
}

static char* __removeTokensBetween(Args* outBuffs,
                                   char* input,
                                   char* token_pyload1,
                                   char* token_pyload2) {
    Args buffs = {0};
    uint8_t block_deepth = 0;
    char* output = "";
    Cursor_forEachToken(cs, input) {
        Cursor_iterStart(&cs);
        if (strEqu(token_pyload1, cs.token1.pyload)) {
            if (block_deepth == 0) {
                output = strsAppend(&buffs, output, cs.token1.pyload);
            }
            block_deepth++;
        }
        if (strEqu(token_pyload2, cs.token1.pyload)) {
            block_deepth--;
        }
        if (block_deepth == 0) {
            output = strsAppend(&buffs, output, cs.token1.pyload);
        }
        Cursor_iterEnd(&cs);
    }
    Cursor_deinit(&cs);
    output = strsCopy(outBuffs, output);
    strsDeinit(&buffs);
    return output;
}

char* _remove_sub_stmt(Args* outBuffs, char* stmt) {
    Args buffs = {0};
    stmt = strsCopy(&buffs, stmt);
    stmt = __removeTokensBetween(&buffs, stmt, "(", ")");
    stmt = __removeTokensBetween(&buffs, stmt, "[", "]");
    stmt = __removeTokensBetween(&buffs, stmt, "{", "}");
    char* res = args_cacheStr(outBuffs, stmt);
    strsDeinit(&buffs);
    return res;
}

static enum StmtType Lexer_matchStmtType(char* right) {
    Args buffs = {0};
    enum StmtType stmtType = STMT_none;
    char* rightWithoutSubStmt = _remove_sub_stmt(&buffs, right);

    PIKA_BOOL is_get_operator = PIKA_FALSE;
    PIKA_BOOL is_get_method = PIKA_FALSE;
    PIKA_BOOL is_get_string = PIKA_FALSE;
    PIKA_BOOL is_get_bytes = PIKA_FALSE;
    PIKA_BOOL is_get_number = PIKA_FALSE;
    PIKA_BOOL is_get_symbol = PIKA_FALSE;
    PIKA_BOOL is_get_list = PIKA_FALSE;
    PIKA_BOOL is_get_slice = PIKA_FALSE;
    PIKA_BOOL is_get_dict = PIKA_FALSE;
    PIKA_BOOL is_get_import = PIKA_FALSE;
    PIKA_BOOL is_get_chain = PIKA_FALSE;
    Cursor_forEachToken(cs, rightWithoutSubStmt) {
        Cursor_iterStart(&cs);
        /* collect type */
        if (strEqu(cs.token1.pyload, " import ")) {
            is_get_import = PIKA_TRUE;
            goto iter_continue;
        }
        if (strEqu(cs.token2.pyload, "[")) {
            /* (symble | iteral | <]> | <)>) + <[> */
            if (TOKEN_symbol == cs.token1.type ||
                TOKEN_literal == cs.token1.type ||
                strEqu(cs.token1.pyload, "]") ||
                strEqu(cs.token1.pyload, ")")) {
                is_get_slice = PIKA_TRUE;
                goto iter_continue;
            }
            /* ( <,> | <=> ) + <[> */
            is_get_list = PIKA_TRUE;
        }
        if (strEqu(cs.token1.pyload, "[") && cs.iter_index == 1) {
            /* VOID + <[> */
            is_get_list = PIKA_TRUE;
            goto iter_continue;
        }
        if (strEqu(cs.token1.pyload, "...")) {
            goto iter_continue;
        }

        if (strEqu(cs.token1.pyload, "pass")) {
            goto iter_continue;
        }

        if (strIsStartWith(cs.token1.pyload, ".")) {
            if (cs.iter_index != 1) {
                is_get_chain = PIKA_TRUE;
                goto iter_continue;
            }
        }
        if (strEqu(cs.token1.pyload, "{")) {
            is_get_dict = PIKA_TRUE;
            goto iter_continue;
        }
        if (cs.token1.type == TOKEN_operator) {
            is_get_operator = PIKA_TRUE;
            goto iter_continue;
        }
        /* <(> */
        if (strEqu(cs.token1.pyload, "(")) {
            is_get_method = PIKA_TRUE;
            goto iter_continue;
        }
        if (cs.token1.type == TOKEN_literal) {
            if (cs.token1.pyload[0] == '\'' || cs.token1.pyload[0] == '"') {
                is_get_string = PIKA_TRUE;
                goto iter_continue;
            }
            if (cs.token1.pyload[1] == '\'' || cs.token1.pyload[1] == '"') {
                if (cs.token1.pyload[0] == 'b') {
                    is_get_bytes = PIKA_TRUE;
                    goto iter_continue;
                }
            }
            is_get_number = PIKA_TRUE;
            goto iter_continue;
        }
        if (cs.token1.type == TOKEN_symbol) {
            is_get_symbol = PIKA_TRUE;
            goto iter_continue;
        }
    iter_continue:
        Cursor_iterEnd(&cs);
    }
    if (is_get_import) {
        stmtType = STMT_import;
        goto exit;
    }
    if (is_get_operator) {
        stmtType = STMT_operator;
        goto exit;
    }
    if (is_get_chain) {
        stmtType = STMT_chain;
        goto exit;
    }
    if (is_get_slice) {
        stmtType = STMT_slice;
        goto exit;
    }
    if (is_get_list) {
        stmtType = STMT_list;
        goto exit;
    }
    if (is_get_dict) {
        stmtType = STMT_dict;
        goto exit;
    }
    if (is_get_method) {
        stmtType = STMT_method;
        goto exit;
    }
    if (is_get_string) {
        stmtType = STMT_string;
        goto exit;
    }
    if (is_get_bytes) {
        stmtType = STMT_bytes;
        goto exit;
    }
    if (is_get_number) {
        stmtType = STMT_number;
        goto exit;
    }
    if (is_get_symbol) {
        stmtType = STMT_reference;
        goto exit;
    }
exit:
    Cursor_deinit(&cs);
    strsDeinit(&buffs);
    return stmtType;
}

char* Lexer_printTokens(Args* outBuffs, char* tokens) {
    pika_assert(tokens);
    /* init */
    Args buffs = {0};
    char* printOut = strsCopy(&buffs, "");

    /* process */
    uint16_t token_size = Tokens_getSize(tokens);
    for (uint16_t i = 0; i < token_size; i++) {
        char* token = Parser_popToken(&buffs, tokens);
        if (token[0] == TOKEN_operator) {
            printOut = strsAppend(&buffs, printOut, "{opt}");
            printOut = strsAppend(&buffs, printOut, token + 1);
        }
        if (token[0] == TOKEN_devider) {
            printOut = strsAppend(&buffs, printOut, "{dvd}");
            printOut = strsAppend(&buffs, printOut, token + 1);
        }
        if (token[0] == TOKEN_symbol) {
            printOut = strsAppend(&buffs, printOut, "{sym}");
            printOut = strsAppend(&buffs, printOut, token + 1);
        }
        if (token[0] == TOKEN_literal) {
            printOut = strsAppend(&buffs, printOut, "{lit}");
            printOut = strsAppend(&buffs, printOut, token + 1);
        }
    }
    /* out put */
    printOut = strsCopy(outBuffs, printOut);
    strsDeinit(&buffs);
    return printOut;
}

uint8_t Parser_checkIsDirect(char* str) {
    Args buffs = {0};
    char* tokens = Lexer_parseLine(&buffs, str);
    uint8_t res = 0;
    pika_assert(NULL != tokens);
    if (Parser_isContainToken(tokens, TOKEN_operator, "=")) {
        res = 1;
        goto exit;
    }
exit:
    strsDeinit(&buffs);
    return res;
}

Arg* Lexer_setToken(Arg* tokens_arg,
                    enum TokenType token_type,
                    char*
                    operator) {
    Args buffs = {0};
    char token_type_buff[3] = {0};
    token_type_buff[0] = 0x1F;
    token_type_buff[1] = token_type;
    char* tokens = arg_getStr(tokens_arg);
    tokens = strsAppend(&buffs, tokens, token_type_buff);
    tokens = strsAppend(&buffs, tokens, operator);
    Arg* new_tokens_arg = arg_setStr(tokens_arg, "", tokens);
    arg_deinit(tokens_arg);
    strsDeinit(&buffs);
    return new_tokens_arg;
}

Arg* Lexer_setSymbel(Arg* tokens_arg,
                     char* stmt,
                     int32_t i,
                     int32_t* symbol_start_index) {
    Args buffs = {0};
    char* symbol_buff = NULL;
    if (-1 == *symbol_start_index) {
        /* no found symbol start index */
        goto exit;
    }
    /* nothing to add symbel */
    if (i == *symbol_start_index) {
        goto exit;
    }
    symbol_buff = args_getBuff(&buffs, i - *symbol_start_index);
    __platform_memcpy(symbol_buff, stmt + *symbol_start_index,
                      i - *symbol_start_index);
    /* literal */
    if ((symbol_buff[0] == '\'') || (symbol_buff[0] == '"')) {
        /* "" or '' */
        tokens_arg = Lexer_setToken(tokens_arg, TOKEN_literal, symbol_buff);
        goto exit;
    }

    if ((symbol_buff[0] >= '0') && (symbol_buff[0] <= '9')) {
        /* number */
        tokens_arg = Lexer_setToken(tokens_arg, TOKEN_literal, symbol_buff);
        goto exit;
    }

    if ((symbol_buff[0] == 'b') &&
        ((symbol_buff[1] == '\'') || (symbol_buff[1] == '"'))) {
        /* b"" or b'' */
        tokens_arg = Lexer_setToken(tokens_arg, TOKEN_literal, symbol_buff);
        goto exit;
    }

    /* symbol */
    tokens_arg = Lexer_setToken(tokens_arg, TOKEN_symbol, symbol_buff);
    goto exit;
exit:
    *symbol_start_index = -1;
    strsDeinit(&buffs);
    return tokens_arg;
}

/* tokens is devided by space */
/* a token is [TOKENTYPE|(CONTENT)] */
char* Lexer_parseLine(Args* outBuffs, char* stmt) {
    /* init */
    Arg* tokens_arg = New_arg(NULL);
    tokens_arg = arg_setStr(tokens_arg, "", "");
    int32_t size = strGetSize(stmt);
    uint8_t bracket_deepth = 0;
    uint8_t cn2 = 0;
    uint8_t cn1 = 0;
    uint8_t c0 = 0;
    uint8_t c1 = 0;
    uint8_t c2 = 0;
    uint8_t c3 = 0;
    uint8_t c4 = 0;
    uint8_t c5 = 0;
    uint8_t c6 = 0;
    int32_t symbol_start_index = -1;
    int is_in_string = 0;
    int is_number = 0;
    char* tokens;

    /* process */
    for (int32_t i = 0; i < size; i++) {
        /* update char */
        cn2 = 0;
        cn1 = 0;
        c0 = stmt[i];
        c1 = 0;
        c2 = 0;
        c3 = 0;
        c4 = 0;
        c5 = 0;
        c6 = 0;
        if (i - 2 >= 0) {
            cn2 = stmt[i - 2];
        }
        if (i - 1 >= 0) {
            cn1 = stmt[i - 1];
        }
        if (i + 1 < size) {
            c1 = stmt[i + 1];
        }
        if (i + 2 < size) {
            c2 = stmt[i + 2];
        }
        if (i + 3 < size) {
            c3 = stmt[i + 3];
        }
        if (i + 4 < size) {
            c4 = stmt[i + 4];
        }
        if (i + 5 < size) {
            c5 = stmt[i + 5];
        }
        if (i + 6 < size) {
            c6 = stmt[i + 6];
        }
        if (-1 == symbol_start_index) {
            is_number = 0;
            if ((c0 >= '0') && (c0 <= '9')) {
                is_number = 1;
            }
            symbol_start_index = i;
        }

        /* solve string */
        if (0 == is_in_string) {
            if ('\'' == c0) {
                if ('\\' != cn1 || ('\\' == cn1 && '\\' == cn2)) {
                    /* in ' */
                    is_in_string = 1;
                    continue;
                }
            }
            if ('"' == c0) {
                if ('\\' != cn1 || ('\\' == cn1 && '\\' == cn2)) {
                    /* in "" */
                    is_in_string = 2;
                    continue;
                }
            }
        }

        if (1 == is_in_string) {
            if ('\'' == c0 && ('\\' != cn1 || ('\\' == cn1 && '\\' == cn2))) {
                is_in_string = 0;
                tokens_arg = Lexer_setSymbel(tokens_arg, stmt, i + 1,
                                             &symbol_start_index);
            }
            continue;
        }
        if (2 == is_in_string) {
            if ('"' == c0 && ('\\' != cn1 || ('\\' == cn1 && '\\' == cn2))) {
                is_in_string = 0;
                tokens_arg = Lexer_setSymbel(tokens_arg, stmt, i + 1,
                                             &symbol_start_index);
            }
            continue;
        }

        /* match annotation */
        if ('#' == c0) {
            break;
        }

        /* match devider*/
        if (('(' == c0) || (')' == c0) || (',' == c0) || ('[' == c0) ||
            (']' == c0) || (':' == c0) || ('{' == c0) || ('}' == c0)) {
            tokens_arg =
                Lexer_setSymbel(tokens_arg, stmt, i, &symbol_start_index);
            char content[2] = {0};
            content[0] = c0;
            tokens_arg = Lexer_setToken(tokens_arg, TOKEN_devider, content);
            if (c0 == '(') {
                bracket_deepth++;
            }
            if (c0 == ')') {
                bracket_deepth--;
            }
            continue;
        }
        /* match operator */
        if (('>' == c0) || ('<' == c0) || ('*' == c0) || ('/' == c0) ||
            ('+' == c0) || ('-' == c0) || ('!' == c0) || ('=' == c0) ||
            ('%' == c0) || ('&' == c0) || ('|' == c0) || ('^' == c0) ||
            ('~' == c0)) {
            if ('-' == c0 && is_number) {
                if ((cn1 == 'e') || (cn1 == 'E')) {
                    continue;
                }
            }
            if (('*' == c0) || ('/' == c0)) {
                /*
                    =, **=, //
                */
                if ((c0 == c1) && ('=' == c2)) {
                    char content[4] = {0};
                    content[0] = c0;
                    content[1] = c1;
                    content[2] = '=';
                    tokens_arg = Lexer_setSymbel(tokens_arg, stmt, i,
                                                 &symbol_start_index);
                    tokens_arg =
                        Lexer_setToken(tokens_arg, TOKEN_operator, content);
                    i = i + 2;
                    continue;
                }
            }
            /*
                >>, <<, **, //
            */
            if (('>' == c0) || ('<' == c0) || ('*' == c0) || ('/' == c0)) {
                if (c0 == c1) {
                    char content[3] = {0};
                    content[0] = c0;
                    content[1] = c1;
                    tokens_arg = Lexer_setSymbel(tokens_arg, stmt, i,
                                                 &symbol_start_index);
                    tokens_arg =
                        Lexer_setToken(tokens_arg, TOKEN_operator, content);
                    i = i + 1;
                    continue;
                }
            }
            /*
                >=, <=, *=, /=, +=, -=, !=, ==, %=
            */
            if (('>' == c0) || ('<' == c0) || ('*' == c0) || ('/' == c0) ||
                ('+' == c0) || ('-' == c0) || ('!' == c0) || ('=' == c0) ||
                ('%' == c0)) {
                if ('=' == c1) {
                    char content[3] = {0};
                    content[0] = c0;
                    content[1] = c1;
                    tokens_arg = Lexer_setSymbel(tokens_arg, stmt, i,
                                                 &symbol_start_index);
                    tokens_arg =
                        Lexer_setToken(tokens_arg, TOKEN_operator, content);
                    i = i + 1;
                    continue;
                }
            }

            /* single operator */
            /*
                +, -, *, ... /
            */
            char content[2] = {0};
            content[0] = c0;
            tokens_arg =
                Lexer_setSymbel(tokens_arg, stmt, i, &symbol_start_index);
            tokens_arg = Lexer_setToken(tokens_arg, TOKEN_operator, content);
            continue;
        }

        // not the string operator
        if ((cn1 >= 'a' && cn1 <= 'z') || (cn1 >= 'A' && cn1 <= 'Z') ||
            (cn1 >= '0' && cn1 <= '9') || cn1 == '_' || cn1 == '.') {
            goto after_match_string_operator;
        }
        /* not */
        if ('n' == c0) {
            if (('o' == c1) && ('t' == c2) && (' ' == c3)) {
                tokens_arg =
                    Lexer_setSymbel(tokens_arg, stmt, i, &symbol_start_index);
                tokens_arg =
                    Lexer_setToken(tokens_arg, TOKEN_operator, " not ");
                i = i + 3;
                continue;
            }
        }
        /* and */
        if ('a' == c0) {
            if (('n' == c1) && ('d' == c2) && (' ' == c3)) {
                tokens_arg =
                    Lexer_setSymbel(tokens_arg, stmt, i, &symbol_start_index);
                tokens_arg =
                    Lexer_setToken(tokens_arg, TOKEN_operator, " and ");
                i = i + 3;
                continue;
            }
        }
        /* or */
        if ('o' == c0) {
            if (('r' == c1) && (' ' == c2)) {
                tokens_arg =
                    Lexer_setSymbel(tokens_arg, stmt, i, &symbol_start_index);
                tokens_arg = Lexer_setToken(tokens_arg, TOKEN_operator, " or ");
                i = i + 2;
                continue;
            }
        }
        /* is */
        if ('i' == c0) {
            if (('s' == c1) && (' ' == c2)) {
                tokens_arg =
                    Lexer_setSymbel(tokens_arg, stmt, i, &symbol_start_index);
                tokens_arg = Lexer_setToken(tokens_arg, TOKEN_operator, " is ");
                i = i + 2;
                continue;
            }
        }
        /* in */
        if ('i' == c0) {
            if (('n' == c1) && (' ' == c2)) {
                tokens_arg =
                    Lexer_setSymbel(tokens_arg, stmt, i, &symbol_start_index);
                tokens_arg = Lexer_setToken(tokens_arg, TOKEN_operator, " in ");
                i = i + 2;
                continue;
            }
        }
        /* as */
        if ('a' == c0) {
            if (('s' == c1) && (' ' == c2)) {
                tokens_arg =
                    Lexer_setSymbel(tokens_arg, stmt, i, &symbol_start_index);
                tokens_arg = Lexer_setToken(tokens_arg, TOKEN_operator, " as ");
                i = i + 2;
                continue;
            }
        }
        /* import */
        if ('i' == c0) {
            if (('m' == c1) && ('p' == c2) && ('o' == c3) && ('r' == c4) &&
                ('t' == c5) && (' ' == c6)) {
                tokens_arg =
                    Lexer_setSymbel(tokens_arg, stmt, i, &symbol_start_index);
                tokens_arg =
                    Lexer_setToken(tokens_arg, TOKEN_operator, " import ");
                i = i + 5;
                continue;
            }
        }
    after_match_string_operator:

        /* skip spaces */
        if (' ' == c0) {
            /* not get symbal */
            if (i == symbol_start_index) {
                symbol_start_index = -1;
            } else {
                /* already get symbal */
                tokens_arg =
                    Lexer_setSymbel(tokens_arg, stmt, i, &symbol_start_index);
            }
        }
        if (i == size - 1) {
            /* last check symbel */
            // if('\n' == c0){
            //     continue;
            // }
            tokens_arg =
                Lexer_setSymbel(tokens_arg, stmt, size, &symbol_start_index);
        }
    }
    /* output */
    tokens = arg_getStr(tokens_arg);
    tokens = strsCopy(outBuffs, tokens);
    arg_deinit(tokens_arg);
    return tokens;
}

char* Parser_popToken(Args* buffs_p, char* tokens) {
    return strsPopToken(buffs_p, tokens, 0x1F);
}

enum TokenType Token_getType(char* token) {
    return (enum TokenType)token[0];
}

char* Token_getPyload(char* token) {
    return (char*)((uintptr_t)token + 1);
}

uint8_t Parser_isContainToken(char* tokens,
                              enum TokenType token_type,
                              char* pyload) {
    Args buffs = {0};
    char* tokens_buff = strsCopy(&buffs, tokens);
    uint8_t res = 0;
    uint16_t token_size = Tokens_getSize(tokens);
    for (int i = 0; i < token_size; i++) {
        char* token = Parser_popToken(&buffs, tokens_buff);
        if (token_type == Token_getType(token)) {
            if (strEqu(Token_getPyload(token), pyload)) {
                res = 1;
                goto exit;
            }
        }
    }
exit:
    strsDeinit(&buffs);
    return res;
}

static const char operators[][9] = {
    "**", "~",  "*",  "/",    "%",     "//",    "+",    "-",
    ">>", "<<", "&",  "^",    "|",     "<",     "<=",   ">",
    ">=", "!=", "==", " is ", " in ",  "%=",    "/=",   "//=",
    "-=", "+=", "*=", "**=",  " not ", " and ", " or ", " import "};

char* Lexer_getOperator(Args* outBuffs, char* stmt) {
    Args buffs = {0};
    char* operator= NULL;
    char* tokens = Lexer_parseLine(&buffs, stmt);

    // use parse state foreach to get operator
    for (uint32_t i = 0; i < sizeof(operators) / 9; i++) {
        Cursor_forEachToken(cs, tokens) {
            Cursor_iterStart(&cs);
            // get operator
            if (strEqu(cs.token2.pyload, (char*)operators[i])) {
                // solve the iuuse of "~-1"
                operator= strsCopy(&buffs, (char*)operators[i]);
                Cursor_iterEnd(&cs);
                break;
            }
            Cursor_iterEnd(&cs);
        };
        Cursor_deinit(&cs);
    }

    /* solve the iuuse of "~-1" */
    if (strEqu(operator, "-")) {
        Cursor_forEachToken(cs, stmt) {
            Cursor_iterStart(&cs);
            if (strEqu(cs.token2.pyload, "-")) {
                if (cs.token1.type == TOKEN_operator) {
                    operator= strsCopy(&buffs, cs.token1.pyload);
                    Cursor_iterEnd(&cs);
                    break;
                }
            }
            Cursor_iterEnd(&cs);
        };
        Cursor_deinit(&cs);
    }

    /* match the last operator in equal level */
    if ((strEqu(operator, "+")) || (strEqu(operator, "-"))) {
        Cursor_forEachToken(cs, stmt) {
            Cursor_iterStart(&cs);
            if (strEqu(cs.token1.pyload, "+")) {
                operator= strsCopy(&buffs, "+");
            }
            if (strEqu(cs.token1.pyload, "-")) {
                operator= strsCopy(&buffs, "-");
            }
            Cursor_iterEnd(&cs);
        }
        Cursor_deinit(&cs);
    }
    /* out put */
    if (NULL == operator) {
        return NULL;
    }
    operator= strsCopy(outBuffs, operator);
    strsDeinit(&buffs);
    return operator;
}

const char void_str[] = "";

void LexToken_update(struct LexToken* lex_token) {
    lex_token->type = Token_getType(lex_token->token);
    if (lex_token->type == TOKEN_strEnd) {
        lex_token->pyload = (char*)void_str;
    } else {
        lex_token->pyload = Token_getPyload(lex_token->token);
    }
}

void Cursor_iterStart(struct Cursor* cs) {
    cs->iter_index++;
    cs->iter_buffs = New_strBuff();
    /* token1 is the last token */
    cs->token1.token = strsCopy(cs->iter_buffs, arg_getStr(cs->last_token));
    /* token2 is the next token */
    cs->token2.token = Parser_popToken(cs->iter_buffs, cs->tokens);
    /* store last token */
    arg_deinit(cs->last_token);
    cs->last_token = arg_newStr(cs->token2.token);

    LexToken_update(&cs->token1);
    LexToken_update(&cs->token2);
    if (strEqu(cs->token1.pyload, "(")) {
        cs->branket_deepth++;
    }
    if (strEqu(cs->token1.pyload, ")")) {
        cs->branket_deepth--;
    }
    if (strEqu(cs->token1.pyload, "[")) {
        cs->branket_deepth++;
    }
    if (strEqu(cs->token1.pyload, "]")) {
        cs->branket_deepth--;
    }
    if (strEqu(cs->token1.pyload, "{")) {
        cs->branket_deepth++;
    }
    if (strEqu(cs->token1.pyload, "}")) {
        cs->branket_deepth--;
    }
}

void LexToken_init(struct LexToken* lt) {
    lt->pyload = NULL;
    lt->token = NULL;
    lt->type = TOKEN_strEnd;
}

void Cursor_init(struct Cursor* cs) {
    cs->tokens = NULL;
    cs->length = 0;
    cs->iter_index = 0;
    cs->branket_deepth = 0;
    cs->last_token = NULL;
    cs->iter_buffs = NULL;
    cs->buffs_p = New_strBuff();
    cs->result = PIKA_RES_OK;
    LexToken_init(&cs->token1);
    LexToken_init(&cs->token2);
}

void Cursor_iterEnd(struct Cursor* cs) {
    args_deinit(cs->iter_buffs);
}

void Cursor_deinit(struct Cursor* cs) {
    if (NULL != cs->last_token) {
        arg_deinit(cs->last_token);
    }
    args_deinit(cs->buffs_p);
}

void Cursor_parse(struct Cursor* cs, char* stmt) {
    if (NULL == stmt) {
        cs->result = PIKA_RES_ERR_SYNTAX_ERROR;
        return;
    }
    cs->tokens = Lexer_parseLine(cs->buffs_p, stmt);
    if (NULL == cs->tokens) {
        cs->result = PIKA_RES_ERR_SYNTAX_ERROR;
        return;
    }
    cs->length = Tokens_getSize(cs->tokens);
}

void Cursor_beforeIter(struct Cursor* cs) {
    /* clear first token */
    if (cs->result != PIKA_RES_OK) {
        return;
    }
    Parser_popToken(cs->buffs_p, cs->tokens);
    cs->last_token = arg_newStr(Parser_popToken(cs->buffs_p, cs->tokens));
}

char* Cursor_popToken(Args* buffs, char** tokens, char* devide) {
    Arg* out_item = arg_newStr("");
    Arg* tokens_after = arg_newStr("");
    PIKA_BOOL is_find_devide = PIKA_FALSE;
    Cursor_forEachToken(cs, *tokens) {
        Cursor_iterStart(&cs);
        if ((cs.branket_deepth == 0 && strEqu(cs.token1.pyload, devide)) ||
            cs.iter_index == cs.length) {
            is_find_devide = PIKA_TRUE;
            Cursor_iterEnd(&cs);
            continue;
        }
        if (!is_find_devide) {
            out_item = arg_strAppend(out_item, cs.token1.pyload);
        } else {
            tokens_after = arg_strAppend(tokens_after, cs.token1.pyload);
        }
        Cursor_iterEnd(&cs);
    }
    Cursor_deinit(&cs);
    /* cache out item */
    char* out_item_str = strsCopy(buffs, arg_getStr(out_item));
    arg_deinit(out_item);
    /* cache tokens after */
    char* token_after_str = strsCopy(buffs, arg_getStr(tokens_after));
    arg_deinit(tokens_after);
    /* update tokens */
    *tokens = token_after_str;
    return out_item_str;
}

static void Slice_getPars(Args* outBuffs,
                          char* inner,
                          char** pStart,
                          char** pEnd,
                          char** pStep) {
    Args buffs = {0};
    *pStart = "";
    *pEnd = "";
    *pStep = "";

    /* slice */
    uint8_t colon_i = 0;
    Cursor_forEachToken(cs, inner) {
        Cursor_iterStart(&cs);
        if (strEqu(cs.token1.pyload, ":") && cs.branket_deepth == 0) {
            colon_i++;
            goto iter_continue1;
        }
        if (colon_i == 0) {
            *pStart = strsAppend(&buffs, *pStart, cs.token1.pyload);
        }
        if (colon_i == 1) {
            *pEnd = strsAppend(&buffs, *pEnd, cs.token1.pyload);
        }
        if (colon_i == 2) {
            *pStep = strsAppend(&buffs, *pStep, cs.token1.pyload);
        }
    iter_continue1:
        Cursor_iterEnd(&cs);
    }
    Cursor_deinit(&cs);
    if (colon_i == 1) {
        *pStep = "1";
        if (strEqu(*pStart, "")) {
            *pStart = "0";
        }
        if (strEqu(*pEnd, "")) {
            *pEnd = "-1";
        }
    }
    if (colon_i == 0) {
        *pEnd = strsAppend(&buffs, *pStart, " + 1");
        *pStep = "1";
    }

    /* slice with step */

    /* output */
    *pStart = strsCopy(outBuffs, *pStart);
    *pEnd = strsCopy(outBuffs, *pEnd);
    *pStep = strsCopy(outBuffs, *pStep);
    /* clean */
    strsDeinit(&buffs);
}

char* Suger_leftSlice(Args* outBuffs, char* right, char** left_p) {
#if !PIKA_SYNTAX_SLICE_ENABLE
    return right;
#endif
    /* init objects */
    Args buffs = {0};
    Arg* right_arg = arg_newStr("");
    char* left = *left_p;
    uint8_t is_in_brancket = 0;
    args_setStr(&buffs, "inner", "");
    uint8_t matched = 0;
    char* right_res = NULL;
    /* exit when NULL */
    if (NULL == left) {
        arg_deinit(right_arg);
        right_arg = arg_setStr(right_arg, "", right);
        goto exit;
    }
    /* exit when not match
         (symble|iteral)'['
    */
    Cursor_forEachToken(cs, left) {
        Cursor_iterStart(&cs);
        if (strEqu(cs.token2.pyload, "[")) {
            if (TOKEN_symbol == cs.token1.type ||
                TOKEN_literal == cs.token1.type) {
                matched = 1;
                Cursor_iterEnd(&cs);
                break;
            }
        }
        Cursor_iterEnd(&cs);
    }
    Cursor_deinit(&cs);
    if (!matched) {
        /* not contain '[', return origin */
        arg_deinit(right_arg);
        right_arg = arg_setStr(right_arg, "", right);
        goto exit;
    }

    /* matched [] */
    Cursor_forEachTokenExistPs(cs, left) {
        Cursor_iterStart(&cs);
        /* found '[' */
        if ((TOKEN_devider == cs.token2.type) &&
            (strEqu(cs.token2.pyload, "["))) {
            /* get 'obj' from obj[] */
            args_setStr(&buffs, "obj", cs.token1.pyload);
            is_in_brancket = 1;
            /* fond ']' */
        } else if ((TOKEN_devider == cs.token2.type) &&
                   (strEqu(cs.token2.pyload, "]"))) {
            is_in_brancket = 0;
            char* inner = args_getStr(&buffs, "inner");
            Arg* inner_arg = arg_newStr(inner);
            inner_arg = arg_strAppend(inner_arg, cs.token1.pyload);
            args_setStr(&buffs, "inner", arg_getStr(inner_arg));
            arg_deinit(inner_arg);
            /* update inner pointer */
            inner = args_getStr(&buffs, "inner");
            char* start = NULL;
            char* end = NULL;
            char* step = NULL;
            Slice_getPars(&buffs, inner, &start, &end, &step);
            /* obj = __setitem__(obj, key, val) */
            right_arg = arg_strAppend(right_arg, "__setitem__(");
            right_arg = arg_strAppend(right_arg, args_getStr(&buffs, "obj"));
            right_arg = arg_strAppend(right_arg, ",");
            right_arg = arg_strAppend(right_arg, start);
            right_arg = arg_strAppend(right_arg, ",");
            right_arg = arg_strAppend(right_arg, right);
            right_arg = arg_strAppend(right_arg, ")");
            /* clean the inner */
            args_setStr(&buffs, "inner", "");
            /* in brancket and found '[' */
        } else if (is_in_brancket && (!strEqu(cs.token1.pyload, "["))) {
            char* inner = args_getStr(&buffs, "inner");
            Arg* index_arg = arg_newStr(inner);
            index_arg = arg_strAppend(index_arg, cs.token1.pyload);
            args_setStr(&buffs, "inner", arg_getStr(index_arg));
            arg_deinit(index_arg);
            /* out of brancket and not found ']' */
        } else if (!is_in_brancket && (!strEqu(cs.token1.pyload, "]"))) {
            if (TOKEN_strEnd != cs.token1.type) {
                right_arg = arg_strAppend(right_arg, cs.token1.pyload);
            }
        }
        Cursor_iterEnd(&cs);
    }
    Cursor_deinit(&cs);
    /* clean the left */
    for (size_t i = 0; i < strGetSize(left); i++) {
        if (left[i] == '[') {
            left[i] = '\0';
            break;
        }
    }
exit:
    /* clean and return */
    right_res = strsCopy(outBuffs, arg_getStr(right_arg));
    arg_deinit(right_arg);
    strsDeinit(&buffs);
    return right_res;
}

char* Suger_format(Args* outBuffs, char* right) {
#if !PIKA_SYNTAX_FORMAT_ENABLE
    return right;
#endif
    /* quick skip */
    if (!strIsContain(right, '%')) {
        return right;
    }

    PIKA_BOOL is_format = PIKA_FALSE;
    Cursor_forEachToken(ps1, right) {
        Cursor_iterStart(&ps1);
        if (ps1.branket_deepth == 0 && strEqu(ps1.token1.pyload, "%")) {
            is_format = PIKA_TRUE;
        }
        Cursor_iterEnd(&ps1);
    }
    Cursor_deinit(&ps1);
    if (PIKA_FALSE == is_format) {
        return right;
    }

    char* res = right;
    Arg* str_buf = arg_newStr("");
    Arg* var_buf = arg_newStr("");
    PIKA_BOOL is_in_format = PIKA_FALSE;
    PIKA_BOOL is_tuple = PIKA_FALSE;
    PIKA_BOOL is_out_vars = PIKA_FALSE;
    Args buffs = {0};
    char* fmt = NULL;
    Cursor_forEachToken(cs, right) {
        char* item = "";
        Cursor_iterStart(&cs);
        if (PIKA_FALSE == is_in_format) {
            if (cs.token1.type != TOKEN_literal) {
                item = cs.token1.pyload;
                goto iter_continue;
            }
            if (cs.token1.pyload[0] != '\'' && cs.token1.pyload[0] != '"') {
                item = cs.token1.pyload;
                goto iter_continue;
            }
            if (!strEqu(cs.token2.pyload, "%")) {
                item = cs.token1.pyload;
                goto iter_continue;
            }
            /* found the format stmt */
            is_in_format = PIKA_TRUE;
            fmt = strsCopy(&buffs, cs.token1.pyload);
            goto iter_continue;
        }
        if (PIKA_TRUE == is_in_format) {
            /* check the format vars */
            if (strEqu(cs.token1.pyload, "%")) {
                /* is a tuple */
                if (strEqu(cs.token2.pyload, "(")) {
                    is_tuple = PIKA_TRUE;
                } else {
                    var_buf = arg_strAppend(var_buf, cs.token2.pyload);
                }
                goto iter_continue;
            }
            /* found the end of tuple */
            if (cs.iter_index == cs.length) {
                is_out_vars = PIKA_TRUE;
                is_in_format = PIKA_FALSE;
            } else {
                /* push the vars inner the tuple */
                var_buf = arg_strAppend(var_buf, cs.token2.pyload);
            }
            if (is_out_vars) {
                if (is_tuple) {
                    str_buf = arg_strAppend(str_buf, "cformat(");
                    str_buf = arg_strAppend(str_buf, fmt);
                    str_buf = arg_strAppend(str_buf, ",");
                    str_buf = arg_strAppend(str_buf, arg_getStr(var_buf));
                } else {
                    str_buf = arg_strAppend(str_buf, "cformat(");
                    str_buf = arg_strAppend(str_buf, fmt);
                    str_buf = arg_strAppend(str_buf, ",");
                    str_buf = arg_strAppend(str_buf, arg_getStr(var_buf));
                    str_buf = arg_strAppend(str_buf, ")");
                }
            }
        }
    iter_continue:
        if (!is_in_format) {
            str_buf = arg_strAppend(str_buf, item);
        }
        Cursor_iterEnd(&cs);
    }
    Cursor_deinit(&cs);

    res = strsCopy(outBuffs, arg_getStr(str_buf));
    arg_deinit(str_buf);
    arg_deinit(var_buf);
    strsDeinit(&buffs);
    return res;
}

uint8_t Suger_selfOperator(Args* outbuffs,
                           char* stmt,
                           char** right_p,
                           char** left_p) {
    char* left_new = NULL;
    char* right_new = NULL;
    Arg* left_arg = arg_newStr("");
    Arg* right_arg = arg_newStr("");
    Arg* right_arg_new = arg_newStr("");
    uint8_t is_left_exist = 0;

    Args buffs = {0};
    char _operator[2] = {0};
    char* operator=(char*) _operator;
    char* tokens = Lexer_parseLine(&buffs, stmt);
    uint8_t is_right = 0;
    if (Parser_isContainToken(tokens, TOKEN_operator, "+=")) {
        operator[0] = '+';
    }
    if (Parser_isContainToken(tokens, TOKEN_operator, "-=")) {
        operator[0] = '-';
    }
    if (Parser_isContainToken(tokens, TOKEN_operator, "*=")) {
        operator[0] = '*';
    }
    if (Parser_isContainToken(tokens, TOKEN_operator, "/=")) {
        operator[0] = '/';
    }
    /* not found self operator */
    if (operator[0] == 0) {
        goto exit;
    }
    /* found self operator */
    is_left_exist = 1;
    Cursor_forEachToken(cs, stmt) {
        Cursor_iterStart(&cs);
        if ((strEqu(cs.token1.pyload, "*=")) ||
            (strEqu(cs.token1.pyload, "/=")) ||
            (strEqu(cs.token1.pyload, "+=")) ||
            (strEqu(cs.token1.pyload, "-="))) {
            is_right = 1;
            goto iter_continue;
        }
        if (!is_right) {
            left_arg = arg_strAppend(left_arg, cs.token1.pyload);
        } else {
            right_arg = arg_strAppend(right_arg, cs.token1.pyload);
        }
    iter_continue:
        Cursor_iterEnd(&cs);
    }
    Cursor_deinit(&cs);
    /* connect right */
    right_arg_new = arg_strAppend(right_arg_new, arg_getStr(left_arg));
    right_arg_new = arg_strAppend(right_arg_new, operator);
    right_arg_new = arg_strAppend(right_arg_new, "(");
    right_arg_new = arg_strAppend(right_arg_new, arg_getStr(right_arg));
    right_arg_new = arg_strAppend(right_arg_new, ")");

    /* collect left_new and right_new */
    left_new = arg_getStr(left_arg);
    right_new = arg_getStr(right_arg_new);

exit:
    strsDeinit(&buffs);
    if (NULL != right_new) {
        *(right_p) = strsCopy(outbuffs, right_new);
        ;
    }
    if (NULL != left_new) {
        *(left_p) = strsCopy(outbuffs, left_new);
    }
    arg_deinit(right_arg);
    arg_deinit(left_arg);
    arg_deinit(right_arg_new);
    return is_left_exist;
}

PIKA_RES AST_setNodeAttr(AST* ast, char* attr_name, char* attr_val) {
    return obj_setStr(ast, attr_name, attr_val);
}

char* AST_getNodeAttr(AST* ast, char* attr_name) {
    return obj_getStr(ast, attr_name);
}

PIKA_RES AST_setNodeBlock(AST* ast, char* node_content) {
    return AST_setNodeAttr(ast, "block", node_content);
}

char* AST_getThisBlock(AST* ast) {
    return obj_getStr(ast, "block");
}

AST* AST_parseStmt(AST* ast, char* stmt);
PIKA_RES AST_parseSubStmt(AST* ast, char* node_content) {
    queueObj_pushObj(ast, (char*)"stmt");
    AST_parseStmt(queueObj_getCurrentObj(ast), node_content);
    return PIKA_RES_OK;
}

char* Parser_popSubStmt(Args* outbuffs, char** stmt_p, char* delimiter) {
    Arg* substmt_arg = arg_newStr("");
    Arg* newstmt_arg = arg_newStr("");
    char* stmt = *stmt_p;
    PIKA_BOOL is_get_substmt = PIKA_FALSE;
    Args buffs = {0};
    Cursor_forEachToken(cs, stmt) {
        Cursor_iterStart(&cs);
        if (is_get_substmt) {
            /* get new stmt */
            newstmt_arg = arg_strAppend(newstmt_arg, cs.token1.pyload);
            Cursor_iterEnd(&cs);
            continue;
        }
        if (cs.branket_deepth > 0) {
            /* ignore */
            substmt_arg = arg_strAppend(substmt_arg, cs.token1.pyload);
            Cursor_iterEnd(&cs);
            continue;
        }
        if (strEqu(cs.token1.pyload, delimiter)) {
            /* found delimiter */
            is_get_substmt = PIKA_TRUE;
            Cursor_iterEnd(&cs);
            continue;
        }
        /* collect substmt */
        substmt_arg = arg_strAppend(substmt_arg, cs.token1.pyload);
        Cursor_iterEnd(&cs);
    }
    Cursor_deinit(&cs);

    strsDeinit(&buffs);

    char* substmt = strsCacheArg(outbuffs, substmt_arg);
    char* newstmt = strsCacheArg(outbuffs, newstmt_arg);
    *stmt_p = newstmt;
    return substmt;
}

char* Parser_popLastSubStmt(Args* outbuffs, char** stmt_p, char* delimiter) {
    uint8_t last_stmt_i = 0;
    char* stmt = *stmt_p;
    Cursor_forEachToken(cs, stmt) {
        Cursor_iterStart(&cs);
        if (strIsStartWith(cs.token1.pyload, delimiter)) {
            /* found delimiter */
            if (!strEqu(delimiter, "[") && cs.branket_deepth > 0) {
                /* ignore */
                Cursor_iterEnd(&cs);
                continue;
            }

            /* for "[" */
            if (cs.branket_deepth > 1) {
                /* ignore */
                Cursor_iterEnd(&cs);
                continue;
            }

            last_stmt_i = cs.iter_index;
        }
        Cursor_iterEnd(&cs);
    }
    Cursor_deinit(&cs);

    Arg* mainStmt = arg_newStr("");
    Arg* lastStmt = arg_newStr("");
    {
        Cursor_forEachToken(cs, stmt) {
            Cursor_iterStart(&cs);
            if (cs.iter_index < last_stmt_i) {
                mainStmt = arg_strAppend(mainStmt, cs.token1.pyload);
            }
            if (cs.iter_index >= last_stmt_i) {
                lastStmt = arg_strAppend(lastStmt, cs.token1.pyload);
            }
            Cursor_iterEnd(&cs);
        }
        Cursor_deinit(&cs);
    }

    *stmt_p = strsCacheArg(outbuffs, mainStmt);
    return strsCacheArg(outbuffs, lastStmt);
}

static void _AST_parse_list(AST* ast, Args* buffs, char* stmt) {
#if !PIKA_BUILTIN_STRUCT_ENABLE
    return;
#endif
    AST_setNodeAttr(ast, (char*)"list", "list");
    char* subStmts = strsCut(buffs, stmt, '[', ']');
    subStmts = strsAppend(buffs, subStmts, ",");
    while (1) {
        char* subStmt = Parser_popSubStmt(buffs, &subStmts, ",");
        AST_parseSubStmt(ast, subStmt);
        if (strEqu(subStmts, "")) {
            break;
        }
    }
    return;
}

static void _AST_parse_dict(AST* ast, Args* buffs, char* stmt) {
#if !PIKA_BUILTIN_STRUCT_ENABLE
    return;
#endif
    AST_setNodeAttr(ast, (char*)"dict", "dict");
    char* subStmts = strsCut(buffs, stmt, '{', '}');
    subStmts = strsAppend(buffs, subStmts, ",");
    while (1) {
        char* subStmt = Parser_popSubStmt(buffs, &subStmts, ",");
        char* key = Parser_popSubStmt(buffs, &subStmt, ":");
        char* value = subStmt;
        AST_parseSubStmt(ast, key);
        AST_parseSubStmt(ast, value);
        if (strEqu(subStmts, "")) {
            break;
        }
    }
}

static void _AST_parse_slice(AST* ast, Args* buffs, char* stmt) {
#if !PIKA_SYNTAX_SLICE_ENABLE
    return;
#endif
    AST_setNodeAttr(ast, (char*)"slice", "slice");
    stmt = strsCopy(buffs, stmt);
    char* laststmt = Parser_popLastSubStmt(buffs, &stmt, "[");
    AST_parseSubStmt(ast, stmt);
    char* slice_list = strsCut(buffs, laststmt, '[', ']');
    pika_assert(slice_list != NULL);
    slice_list = strsAppend(buffs, slice_list, ":");
    int index = 0;
    while (1) {
        char* slice_str = Parser_popSubStmt(buffs, &slice_list, ":");
        if (index == 0 && strEqu(slice_str, "")) {
            AST_parseSubStmt(ast, "0");
        } else if (index == 1 && strEqu(slice_str, "")) {
            AST_parseSubStmt(ast, "-1");
        } else {
            AST_parseSubStmt(ast, slice_str);
        }
        index++;
        if (strEqu("", slice_list)) {
            break;
        }
    }
}

AST* AST_parseStmt(AST* ast, char* stmt) {
    Args buffs = {0};
    char* assignment = strsGetFirstToken(&buffs, stmt, '(');
    char* method = NULL;
    char* ref = NULL;
    char* str = NULL;
    char* num = NULL;
    char* left = NULL;
    char* right = NULL;
    char* import = NULL;
    PIKA_RES result = PIKA_RES_OK;

    right = stmt;
    /* solve check direct */
    uint8_t isLeftExist = 0;
    if (Parser_checkIsDirect(assignment)) {
        isLeftExist = 1;
        left = strsCopy(&buffs, "");
        right = strsCopy(&buffs, "");
        uint8_t is_meet_equ = 0;
        Cursor_forEachToken(cs, stmt) {
            Cursor_iterStart(&cs);
            if (strEqu(cs.token1.pyload, "=") &&
                cs.token1.type == TOKEN_operator) {
                is_meet_equ = 1;
                Cursor_iterEnd(&cs);
                continue;
            }
            if (0 == is_meet_equ) {
                left = strsAppend(&buffs, left, cs.token1.pyload);
            }
            if (1 == is_meet_equ) {
                right = strsAppend(&buffs, right, cs.token1.pyload);
            }
            Cursor_iterEnd(&cs);
        }
        Cursor_deinit(&cs);
    }
    /* solve the += -= /= *= stmt */
    if (!isLeftExist) {
        isLeftExist = Suger_selfOperator(&buffs, stmt, &right, &left);
    }

    /* solve the [] stmt */
    right = Suger_leftSlice(&buffs, right, &left);
    right = Suger_format(&buffs, right);

    /* set left */
    if (isLeftExist) {
        AST_setNodeAttr(ast, (char*)"left", left);
    }
    /* match statment type */
    enum StmtType stmtType = Lexer_matchStmtType(right);
    /* solve operator stmt */
    if (STMT_operator == stmtType) {
        char* rightWithoutSubStmt = _remove_sub_stmt(&buffs, right);
        char* operator= Lexer_getOperator(&buffs, rightWithoutSubStmt);
        if (NULL == operator) {
            result = PIKA_RES_ERR_SYNTAX_ERROR;
            goto exit;
        }
        AST_setNodeAttr(ast, (char*)"operator", operator);
        char* rightBuff = strsCopy(&buffs, right);
        char* subStmt1 =
            strsPopTokenWithSkip_byStr(&buffs, rightBuff, operator, '(', ')');
        char* subStmt2 = rightBuff;
        AST_parseSubStmt(ast, subStmt1);
        AST_parseSubStmt(ast, subStmt2);
        goto exit;
    }

    /* solve list stmt */
    if (STMT_list == stmtType) {
        _AST_parse_list(ast, &buffs, right);
        goto exit;
    }

    /* solve dict stmt */
    if (STMT_dict == stmtType) {
        _AST_parse_dict(ast, &buffs, right);
        goto exit;
    }

    /* solve method chain */
    if (STMT_chain == stmtType) {
        char* stmt = strsCopy(&buffs, right);
        char* lastStmt = Parser_popLastSubStmt(&buffs, &stmt, ".");
        AST_parseSubStmt(ast, stmt);
        AST_parseStmt(ast, lastStmt);
        goto exit;
    }

    if (STMT_slice == stmtType) {
        /* solve slice stmt */
        _AST_parse_slice(ast, &buffs, right);
        goto exit;
    }

    /* solve method stmt */
    if (STMT_method == stmtType) {
        method = strsGetFirstToken(&buffs, right, '(');
        AST_setNodeAttr(ast, (char*)"method", method);
        char* subStmts = strsCut(&buffs, right, '(', ')');
        pika_assert(NULL != subStmts);
        /* add ',' at the end */
        subStmts = strsAppend(&buffs, subStmts, ",");
        while (1) {
            char* substmt = Parser_popSubStmt(&buffs, &subStmts, ",");
            AST_parseSubStmt(ast, substmt);
            if (strEqu("", subStmts)) {
                break;
            }
        }
        goto exit;
    }
    /* solve reference stmt */
    if (STMT_reference == stmtType) {
        ref = right;
        AST_setNodeAttr(ast, (char*)"ref", ref);
        goto exit;
    }
    /* solve import stmt */
    if (STMT_import == stmtType) {
        import = strsGetLastToken(&buffs, right, ' ');
        AST_setNodeAttr(ast, (char*)"import", import);
        goto exit;
    }
    /* solve str stmt */
    if (STMT_string == stmtType) {
        str = strsCopy(&buffs, right);
        /* remove the first char */
        str = str + 1;
        /* remove the last char */
        str[strGetSize(str) - 1] = '\0';
        /* replace */
        if (strIsContain(str, '\\')) {
            str = strsReplace(&buffs, str, "\\\"", "\"");
            str = strsReplace(&buffs, str, "\\'", "'");
        }
        AST_setNodeAttr(ast, (char*)"string", str);
        goto exit;
    }
    /* solve bytes stmt */
    if (STMT_bytes == stmtType) {
        str = right + 1;
        str = strsDeleteChar(&buffs, str, '\'');
        str = strsDeleteChar(&buffs, str, '\"');
        AST_setNodeAttr(ast, (char*)"bytes", str);
        goto exit;
    }
    /* solve number stmt */
    if (STMT_number == stmtType) {
        num = right;
        AST_setNodeAttr(ast, (char*)"num", num);
        goto exit;
    }
exit:
    strsDeinit(&buffs);
    if (result != PIKA_RES_OK) {
        AST_deinit(ast);
        return NULL;
    }
    return ast;
}

static int32_t Parser_getPyLineBlockDeepth(char* line) {
    uint32_t size = strGetSize(line);
    for (uint32_t i = 0; i < size; i++) {
        if (line[i] != ' ') {
            uint32_t spaceNum = i;
            if (0 == spaceNum % 4) {
                return spaceNum / 4;
            }
            /* space Num is not 4N, error*/
            return -1;
        }
    }
    return 0;
}

char* Parser_removeAnnotation(char* line) {
    uint8_t is_annotation_exit = 0;
    uint8_t is_in_single_quotes = 0;
    uint8_t is_in_double_quotes_deepth = 0;
    for (uint32_t i = 0; i < strGetSize(line); i++) {
        if ('\'' == line[i]) {
            is_in_single_quotes = !is_in_single_quotes;
            continue;
        }
        if ('"' == line[i]) {
            is_in_double_quotes_deepth = !is_in_double_quotes_deepth;
            continue;
        }
        if (!(is_in_single_quotes == 0 && is_in_double_quotes_deepth == 0)) {
            continue;
        }
        if ('#' == line[i]) {
            /* end the line */
            line[i] = 0;
            is_annotation_exit = 1;
            break;
        }
    }
    /* no annotation, exit */
    if (!is_annotation_exit) {
        return line;
    }
    /* check empty line */
    for (uint32_t i = 0; i < strGetSize(line); i++) {
        if (' ' != line[i]) {
            return line;
        }
    }
    /* is an emply line */
    line = "@annontation";
    return line;
}

char* _defGetDefault(Args* outBuffs, char** dec_out) {
    Args buffs = {0};
    char* dec_str = strsCopy(&buffs, *dec_out);
    char* fn_name = strsGetFirstToken(&buffs, dec_str, '(');
    Arg* dec_arg = arg_strAppend(arg_newStr(fn_name), "(");
    Arg* default_arg = arg_newStr("");
    char* arg_list = strsCut(&buffs, dec_str, '(', ')');
    int arg_num = strCountSign(arg_list, ',') + 1;
    for (int i = 0; i < arg_num; i++) {
        char* arg_str = strsPopToken(&buffs, arg_list, ',');
        int is_default = 0;
        if (strIsContain(arg_str, '=')) {
            default_arg = arg_strAppend(default_arg, arg_str);
            default_arg = arg_strAppend(default_arg, ",");
            arg_str = strsPopToken(&buffs, arg_str, '=');
            is_default = 1;
        }
        dec_arg = arg_strAppend(dec_arg, arg_str);
        if (is_default) {
            dec_arg = arg_strAppend(dec_arg, "=");
        }
        dec_arg = arg_strAppend(dec_arg, ",");
    }
    strPopLastToken(arg_getStr(dec_arg), ',');
    dec_arg = arg_strAppend(dec_arg, ")");
    *dec_out = strsCopy(outBuffs, arg_getStr(dec_arg));
    char* default_out = strsCopy(outBuffs, arg_getStr(default_arg));
    strPopLastToken(default_out, ',');
    arg_deinit(dec_arg);
    arg_deinit(default_arg);
    strsDeinit(&buffs);
    return default_out;
}

static char* Suger_multiReturn(Args* out_buffs, char* line) {
#if PIKA_NANO_ENABLE
    return line;
#endif
    Cursor_forEachToken(cs, line) {
        Cursor_iterStart(&cs);
        if (cs.branket_deepth == 0 && strEqu(cs.token1.pyload, ",")) {
            line = strsFormat(out_buffs, strGetSize(line) + 3, "(%s)", line);
            Cursor_iterEnd(&cs);
            break;
        }
        Cursor_iterEnd(&cs);
    }
    Cursor_deinit(&cs);
    return line;
}

/* match block start keywords */
const char control_keywords[][9] = {"break", "continue"};

/* normal keyward */
const char normal_keywords[][7] = {"while", "if", "elif"};

AST* AST_parseLine_withBlockStack_withBlockDeepth(char* line,
                                                  Stack* block_stack,
                                                  int block_deepth) {
    Stack s;
    stack_init(&s);
    if (block_stack == NULL) {
        block_stack = &s;
    }
    /* line is not exist */
    if (line == NULL) {
        return NULL;
    }
    /* init data */
    AST* ast = New_queueObj();
    Args buffs = {0};
    int8_t block_deepth_now, block_deepth_last = -1;
    char *line_start, *stmt;
    /* get block deepth */
    block_deepth_now = Parser_getPyLineBlockDeepth(line);
    /* set block deepth */
    if (block_deepth_now == -1) {
        /* get block_deepth error */
        __platform_printf(
            "IndentationError: unexpected indent, only support 4 spaces\r\n");
        obj_deinit(ast);
        ast = NULL;
        goto exit;
    }
    block_deepth_now += block_deepth;
    obj_setInt(ast, "blockDeepth", block_deepth_now);

    /* check if exit block */
    block_deepth_last = stack_getTop(block_stack) + block_deepth;
    /* exit each block */
    for (int i = 0; i < block_deepth_last - block_deepth_now; i++) {
        QueueObj* exit_block_queue = obj_getObj(ast, "exitBlock");
        /* create an exit_block queue */
        if (NULL == exit_block_queue) {
            obj_newObj(ast, "exitBlock", "", New_TinyObj);
            exit_block_queue = obj_getObj(ast, "exitBlock");
            queueObj_init(exit_block_queue);
        }
        char buff[10] = {0};
        char* block_type = stack_popStr(block_stack, buff);
        /* push exit block type to exit_block queue */
        queueObj_pushStr(exit_block_queue, block_type);
    }

    line_start = line + (block_deepth_now - block_deepth) * 4;
    stmt = line_start;

    // "while" "if" "elif"
    for (uint32_t i = 0; i < sizeof(normal_keywords) / 7; i++) {
        char* keyword = (char*)normal_keywords[i];
        uint8_t keyword_len = strGetSize(keyword);
        if (strIsStartWith(line_start, keyword) &&
            (line_start[keyword_len] == ' ')) {
            stmt = strsCut(&buffs, line_start, ' ', ':');
            AST_setNodeBlock(ast, keyword);
            stack_pushStr(block_stack, keyword);
            goto block_matched;
        }
    }

    /* contral keyward */
    /* "break", "continue" */
    for (uint32_t i = 0; i < sizeof(control_keywords) / 8; i++) {
        char* keyward = (char*)control_keywords[i];
        uint8_t keyward_size = strGetSize(keyward);
        if ((strIsStartWith(line_start, keyward)) &&
            ((line_start[keyward_size] == ' ') ||
             (line_start[keyward_size] == 0))) {
            AST_setNodeAttr(ast, keyward, "");
            stmt = "";
            goto block_matched;
        }
    }

    /* for */
    if (strIsStartWith(line_start, "for ")) {
        Args* list_buffs = New_strBuff();
        char* line_buff = strsCopy(list_buffs, line_start + 4);
        line_buff = strsGetCleanCmd(list_buffs, line_buff);
        if (strCountSign(line_buff, ':') < 1) {
            args_deinit(list_buffs);
            obj_deinit(ast);
            ast = NULL;
            goto exit;
        }
        char* arg_in = strsPopToken(list_buffs, line_buff, ' ');
        AST_setNodeAttr(ast, "arg_in", arg_in);
        strsPopToken(list_buffs, line_buff, ' ');
        char* list_in = strsPopToken(list_buffs, line_buff, ':');
        list_in = strsAppend(list_buffs, "iter(", list_in);
        list_in = strsAppend(list_buffs, list_in, ")");
        list_in = strsCopy(&buffs, list_in);
        args_deinit(list_buffs);
        AST_setNodeBlock(ast, "for");
        AST_setNodeAttr(ast, "list_in", list_in);
        stack_pushStr(block_stack, "for");
        stmt = list_in;
        goto block_matched;
    }

    /* else */
    if (strIsStartWith(line_start, "else")) {
        if ((line_start[4] == ' ') || (line_start[4] == ':')) {
            stmt = "";
            AST_setNodeBlock(ast, "else");
            stack_pushStr(block_stack, "else");
        }
        goto block_matched;
    }

#if PIKA_SYNTAX_EXCEPTION_ENABLE
    /* try */
    if (strIsStartWith(line_start, "try")) {
        if ((line_start[3] == ' ') || (line_start[3] == ':')) {
            stmt = "";
            AST_setNodeBlock(ast, "try");
            stack_pushStr(block_stack, "try");
        }
        goto block_matched;
    }

    /* except */
    if (strIsStartWith(line_start, "except")) {
        if ((line_start[6] == ' ') || (line_start[6] == ':')) {
            stmt = "";
            AST_setNodeBlock(ast, "except");
            stack_pushStr(block_stack, "except");
        }
        goto block_matched;
    }
#endif

    if (strEqu(line_start, "return")) {
        AST_setNodeAttr(ast, "return", "");
        stmt = "";
        goto block_matched;
    }
    if (strIsStartWith(line_start, "return ")) {
        char* lineBuff = strsCopy(&buffs, line_start);
        strsPopToken(&buffs, lineBuff, ' ');
        stmt = lineBuff;
        stmt = Suger_multiReturn(&buffs, stmt);
        AST_setNodeAttr(ast, "return", "");
        goto block_matched;
    }

#if PIKA_SYNTAX_EXCEPTION_ENABLE
    if (strEqu(line_start, "raise")) {
        AST_setNodeAttr(ast, "raise", "");
        stmt = "RuntimeError";
        goto block_matched;
    }
    if (strIsStartWith(line_start, "raise ")) {
        AST_setNodeAttr(ast, "raise", "");
        char* lineBuff = strsCopy(&buffs, line_start);
        strsPopToken(&buffs, lineBuff, ' ');
        stmt = lineBuff;
        if (strEqu("", stmt)) {
            stmt = "RuntimeError";
        }
        goto block_matched;
    }
    /* assert */
    if (strIsStartWith(line_start, "assert ")) {
        stmt = "";
        AST_setNodeAttr(ast, "assert", "");
        char* lineBuff = strsCopy(&buffs, line_start + 7);
        /* assert expr [, msg] */
        while (1) {
            char* subStmt = Parser_popSubStmt(&buffs, &lineBuff, ",");
            AST_parseSubStmt(ast, subStmt);
            if (strEqu(lineBuff, "")) {
                break;
            }
        }
        goto block_matched;
    }
#endif

    if (strIsStartWith(line_start, "global ")) {
        stmt = "";
        char* global_list = line_start + 7;
        global_list = strsGetCleanCmd(&buffs, global_list);
        AST_setNodeAttr(ast, "global", global_list);
        goto block_matched;
    }
    if (strIsStartWith(line_start, "del ")) {
        stmt = "";
        char* del_dir = line_start + sizeof("del ") - 1;
        del_dir = strsGetCleanCmd(&buffs, del_dir);
        AST_setNodeAttr(ast, "del", del_dir);
        goto block_matched;
    }
    if (strIsStartWith(line_start, (char*)"def ")) {
        stmt = "";
        char* declare = strsCut(&buffs, line_start, ' ', ':');
        if (NULL == declare) {
            obj_deinit(ast);
            ast = NULL;
            goto exit;
        }
        declare = strsGetCleanCmd(&buffs, declare);
        char* defaultStmt = _defGetDefault(&buffs, &declare);
        AST_setNodeBlock(ast, "def");
        AST_setNodeAttr(ast, "declare", declare);
        if (defaultStmt[0] != '\0') {
            AST_setNodeAttr(ast, "default", defaultStmt);
        }
        stack_pushStr(block_stack, "def");
        goto block_matched;
    }
    if (strIsStartWith(line_start, (char*)"class ")) {
        stmt = "";
        char* declare = strsCut(&buffs, line_start, ' ', ':');
        if (NULL == declare) {
            obj_deinit(ast);
            ast = NULL;
            goto exit;
        }
        declare = strsGetCleanCmd(&buffs, declare);
        AST_setNodeBlock(ast, "class");
        AST_setNodeAttr(ast, "declare", declare);
        stack_pushStr(block_stack, "class");
        goto block_matched;
    }

block_matched:
    if (NULL == stmt) {
        AST_deinit(ast);
        ast = NULL;
        goto exit;
    }
    stmt = strsGetCleanCmd(&buffs, stmt);
    ast = AST_parseStmt(ast, stmt);
    goto exit;
exit:
    stack_deinit(&s);
    strsDeinit(&buffs);
    return ast;
}

static AST* AST_parseLine_withBlockStack(char* line, Stack* block_stack) {
    return AST_parseLine_withBlockStack_withBlockDeepth(line, block_stack, 0);
}

static AST* AST_parseLine_withBlockDeepth(char* line, int block_deepth) {
    return AST_parseLine_withBlockStack_withBlockDeepth(line, NULL,
                                                        block_deepth);
}

int AST_getBlockDeepthNow(AST* ast) {
    return obj_getInt(ast, "blockDeepth");
}

AST* AST_parseLine(char* line) {
    return AST_parseLine_withBlockStack(line, NULL);
}

static char* Suger_import(Args* buffs_p, char* line) {
#if !PIKA_SYNTAX_IMPORT_EX_ENABLE
    return line;
#endif
    Args buffs = {0};
    char* line_out = line;
    char* alias = NULL;
    char* origin = NULL;
    char* stmt = line + 7;
    if (!strIsStartWith(line, "import ")) {
        line_out = line;
        goto exit;
    }

    Cursor_forEachToken(cs, stmt) {
        Cursor_iterStart(&cs);
        /* defaut set the 'origin' as the first token */
        if (cs.iter_index == 1) {
            origin = strsCopy(&buffs, cs.token1.pyload);
        }
        if (strEqu(cs.token2.pyload, " as ")) {
            origin = strsCopy(&buffs, cs.token1.pyload);
        }
        if (strEqu(cs.token1.pyload, " as ")) {
            alias = strsCopy(&buffs, cs.token2.pyload);
        }
        Cursor_iterEnd(&cs);
    }
    Cursor_deinit(&cs);

    /* only import, not 'as' */
    if (NULL == alias) {
        line_out = line;
        goto exit;
    }

    /* 'import' and 'as' */
    line_out = strsFormat(&buffs, PIKA_LINE_BUFF_SIZE, "import %s\n%s = %s",
                          origin, alias, origin);
    line_out = strsCopy(buffs_p, line_out);
    goto exit;
exit:
    strsDeinit(&buffs);
    return line_out;
}

static PIKA_BOOL _check_is_multi_assign(char* arg_list) {
    PIKA_BOOL res = PIKA_FALSE;
    Cursor_forEachToken(cs, arg_list) {
        Cursor_iterStart(&cs);
        if ((cs.branket_deepth == 0 && strEqu(cs.token1.pyload, ","))) {
            res = PIKA_TRUE;
        }
        Cursor_iterEnd(&cs);
    }
    Cursor_deinit(&cs);
    return res;
}

static char* Suger_multiAssign(Args* out_buffs, char* line) {
#if PIKA_NANO_ENABLE
    return line;
#endif
    Args buffs = {0};
    char* line_out = line;
    PIKA_BOOL is_assign = PIKA_FALSE;
    Arg* stmt = arg_newStr("");
    Arg* out_list = arg_newStr("");
    Arg* out_item = arg_newStr("");
    Arg* line_out_arg = arg_newStr("");
    char* line_item = NULL;
    char* out_list_str = NULL;
    int out_num = 0;
    Cursor_forEachToken(cs, line) {
        Cursor_iterStart(&cs);
        if (cs.branket_deepth == 0 && strEqu(cs.token1.pyload, "=")) {
            is_assign = PIKA_TRUE;
            Cursor_iterEnd(&cs);
            continue;
        }
        if (is_assign) {
            stmt = arg_strAppend(stmt, cs.token1.pyload);
        }
        if (!is_assign) {
            out_list = arg_strAppend(out_list, cs.token1.pyload);
        }
        Cursor_iterEnd(&cs);
    }
    Cursor_deinit(&cs);
    if (!is_assign) {
        line_out = line;
        goto exit;
    }

    if (!_check_is_multi_assign(arg_getStr(out_list))) {
        line_out = line;
        goto exit;
    }

    line_item =
        strsFormat(&buffs, PIKA_LINE_BUFF_SIZE, "$tmp= %s\n", arg_getStr(stmt));
    line_out_arg = arg_strAppend(line_out_arg, line_item);

    out_list_str = arg_getStr(out_list);
    while (1) {
        char* item = Cursor_popToken(&buffs, &out_list_str, ",");
        if (item[0] == '\0') {
            break;
        }
        char* line_item = strsFormat(&buffs, PIKA_LINE_BUFF_SIZE,
                                     "%s = $tmp[%d]\n", item, out_num);
        line_out_arg = arg_strAppend(line_out_arg, line_item);
        out_num++;
    }
    line_out_arg = arg_strAppend(line_out_arg, "del $tmp");

    line_out = strsCopy(out_buffs, arg_getStr(line_out_arg));
exit:
    arg_deinit(stmt);
    arg_deinit(out_list);
    arg_deinit(out_item);
    arg_deinit(line_out_arg);
    strsDeinit(&buffs);
    return line_out;
}

static char* Suger_from(Args* buffs_p, char* line) {
#if !PIKA_SYNTAX_IMPORT_EX_ENABLE
    return line;
#endif
    Args buffs = {0};
    char* line_out = line;
    char* class = NULL;
    char* module = NULL;
    char* alias = NULL;
    char* stmt = line + 5;
    if (!strIsStartWith(line, "from ")) {
        line_out = line;
        goto exit;
    }

    Cursor_forEachToken(cs, stmt) {
        Cursor_iterStart(&cs);
        if (strEqu(cs.token2.pyload, " import ")) {
            module = strsCopy(&buffs, cs.token1.pyload);
        }
        if (strEqu(cs.token1.pyload, " import ")) {
            class = strsCopy(&buffs, cs.token2.pyload);
        }
        if (strEqu(cs.token1.pyload, " as ")) {
            alias = strsCopy(&buffs, cs.token2.pyload);
        }
        Cursor_iterEnd(&cs);
    }
    Cursor_deinit(&cs);

    if (NULL == module) {
        line_out = strsCopy(buffs_p, "");
        goto exit;
    }

    if (NULL == class) {
        line_out = strsCopy(buffs_p, "");
        goto exit;
    }

    if (NULL == alias) {
        alias = class;
    }

    /* skip PikaObj */
    if (strEqu(module, "PikaObj")) {
        line_out = strsCopy(buffs_p, "");
        goto exit;
    }

    line_out = strsFormat(&buffs, PIKA_LINE_BUFF_SIZE, "import %s\n%s = %s.%s",
                          module, alias, module, class);
    line_out = strsCopy(buffs_p, line_out);
exit:
    strsDeinit(&buffs);
    return line_out;
}

static char* Parser_linePreProcess(Args* buffs_p, char* line) {
    line = Parser_removeAnnotation(line);
    /* check syntex error */
    if (Lexer_isError(line)) {
        line = NULL;
        goto exit;
    }
    /* process EOL */
    line = strsDeleteChar(buffs_p, line, '\r');
    line = Suger_import(buffs_p, line);
    line = Suger_from(buffs_p, line);
    line = Suger_multiAssign(buffs_p, line);
exit:
    return line;
}

char* Parser_LineToAsm(Args* buffs_p, char* line, Stack* blockStack) {
    char* ASM = NULL;
    AST* ast = NULL;
    uint8_t line_num = 0;
    /* pre process */
    line = Parser_linePreProcess(buffs_p, line);
    if (NULL == line) {
        /* preprocess error */
        goto exit;
    }
    if (strEqu("@annontation", line)) {
        ASM = "";
        goto exit;
    }
    /*
        solve more lines
        preprocess may generate more lines
    */
    line_num = strCountSign(line, '\n') + 1;
    for (int i = 0; i < line_num; i++) {
        char* single_line = strsPopToken(buffs_p, line, '\n');
        /* parse tokens to AST */
        ast = AST_parseLine_withBlockStack(single_line, blockStack);
        /* gen ASM from AST */
        if (ASM == NULL) {
            ASM = AST_genAsm(ast, buffs_p);
        } else {
            ASM = strsAppend(buffs_p, ASM, AST_genAsm(ast, buffs_p));
        }
        if (NULL != ast) {
            AST_deinit(ast);
        }
    }
exit:
    return ASM;
}

static int Parser_isVoidLine(char* line) {
    for (uint32_t i = 0; i < strGetSize(line); i++) {
        if (line[i] != ' ') {
            return 0;
        }
    }
    return 1;
}

static uint8_t Parser_checkIsMultiComment(char* line) {
    for (uint32_t i = 0; i < strGetSize(line); i++) {
        /* not match ' or " */
        if ((line[i] != '\'') && (line[i] != '"')) {
            continue;
        }
        /* not match ''' or """ */
        if (!((line[i + 1] == line[i]) && (line[i + 2] == line[i]))) {
            continue;
        }
        /* check char befor the ''' or """ */
        if (!((0 == i) || (line[i - 1] == ' '))) {
            continue;
        }
        /* check char after the ''' or """ */
        if (!((line[i + 3] == ' ') || (line[i + 3] == 0))) {
            continue;
        }
        /* mached */
        return 1;
    }
    /* not mached */
    return 0;
}

static char* _Parser_linesToBytesOrAsm(Args* outBuffs,
                                       ByteCodeFrame* bytecode_frame,
                                       char* py_lines) {
    Stack block_stack;
    stack_init(&block_stack);
    Arg* asm_buff = arg_newStr("");
    uint32_t lines_offset = 0;
    uint16_t lines_num = strCountSign(py_lines, '\n') + 1;
    uint16_t lines_index = 0;
    uint8_t is_in_multi_comment = 0;
    Arg* line_connection_arg = arg_newStr("");
    uint8_t is_line_connection = 0;
    char* out_ASM = NULL;
    char* single_ASM = NULL;
    uint32_t line_size = 0;
    /* parse each line */
    while (1) {
        lines_index++;
        Args buffs = {0};
        char* line_origin = NULL;
        char* line = NULL;

        /* add void line to the end */
        if (lines_index >= lines_num + 1) {
            line = "";
            goto parse_line;
        }

        /* get single line by pop multiline */
        line_origin = strsGetFirstToken(&buffs, py_lines + lines_offset, '\n');

        line = strsCopy(&buffs, line_origin);
        /* line connection */
        if (is_line_connection) {
            is_line_connection = 0;
            line_connection_arg = arg_strAppend(line_connection_arg, line);
            line = strsCopy(&buffs, arg_getStr(line_connection_arg));
            /* reflash the line_connection_arg */
            arg_deinit(line_connection_arg);
            line_connection_arg = arg_newStr("");
        }

        /* check connection */
        if ('\\' == line[strGetSize(line) - 1]) {
            /* remove the '\\' */
            line[strGetSize(line) - 1] = '\0';
            is_line_connection = 1;
            line_connection_arg = arg_strAppend(line_connection_arg, line);
            goto next_line;
        }
        Cursor_forEachToken(c, line) {
            Cursor_iterStart(&c);
            Cursor_iterEnd(&c);
        }
        Cursor_deinit(&c);
        /* auto connection */
        if (lines_index < lines_num) {
            if (c.branket_deepth > 0) {
                line_connection_arg = arg_strAppend(line_connection_arg, line);
                is_line_connection = 1;
                goto next_line;
            }
        }

        /* branket match failed */
        if (c.branket_deepth != 0) {
            single_ASM = NULL;
            goto parse_after;
        }

        /* support Tab */
        line = strsReplace(&buffs, line, "\t", "    ");
        /* remove \r */
        line = strsReplace(&buffs, line, "\r", "");

        /* filter for not end \n */
        if (Parser_isVoidLine(line)) {
            goto next_line;
        }

        /* filter for multiline comment ''' or """ */
        if (Parser_checkIsMultiComment(line)) {
            is_in_multi_comment = ~is_in_multi_comment;
            goto next_line;
        }

        /* skipe multiline comment */
        if (is_in_multi_comment) {
            goto next_line;
        }

    parse_line:
        /* parse single Line to Asm */
        single_ASM = Parser_LineToAsm(&buffs, line, &block_stack);
    parse_after:
        if (NULL == single_ASM) {
            out_ASM = NULL;
            strsDeinit(&buffs);
            goto exit;
        }

        if (NULL == bytecode_frame) {
            /* store ASM */
            asm_buff = arg_strAppend(asm_buff, single_ASM);
        } else if (NULL == outBuffs) {
            /* store ByteCode */
            byteCodeFrame_appendFromAsm(bytecode_frame, single_ASM);
        }

    next_line:
        if (lines_index < lines_num) {
            line_size = strGetSize(line_origin);
            lines_offset = lines_offset + line_size + 1;
        }
        strsDeinit(&buffs);

        /* exit when finished */
        if (lines_index >= lines_num + 1) {
            break;
        }
    }
    if (NULL != outBuffs) {
        /* load stored ASM */
        out_ASM = strsCopy(outBuffs, arg_getStr(asm_buff));
    } else {
        out_ASM = (char*)1;
    }
    goto exit;
exit:
    if (NULL != asm_buff) {
        arg_deinit(asm_buff);
    }
    if (NULL != line_connection_arg) {
        arg_deinit(line_connection_arg);
    }
    stack_deinit(&block_stack);
    return out_ASM;
};

char* Parser_linesToBytes(ByteCodeFrame* bf, char* py_lines) {
    return _Parser_linesToBytesOrAsm(NULL, bf, py_lines);
}

int bytecodeFrame_fromLines(ByteCodeFrame* bytecode_frame, char* multi_line) {
    if (NULL == Parser_linesToBytes(bytecode_frame, multi_line)) {
        /* error */
        return 1;
    }
    /* succeed */
    return 0;
};

char* Parser_linesToAsm(Args* outBuffs, char* multi_line) {
    return _Parser_linesToBytesOrAsm(outBuffs, NULL, multi_line);
}

char* Parser_fileToAsm(Args* outBuffs, char* filename) {
    Args buffs = {0};
    Arg* file_arg = arg_loadFile(NULL, filename);
    pika_assert(NULL != file_arg);
    if (NULL == file_arg) {
        return NULL;
    }
    char* lines = (char*)arg_getBytes(file_arg);
    /* replace the "\r\n" to "\n" */
    lines = strsReplace(&buffs, lines, "\r\n", "\n");
    /* clear the void line */
    lines = strsReplace(&buffs, lines, "\n\n", "\n");
    /* add '\n' at the end */
    lines = strsAppend(&buffs, lines, "\n\n");
    char* res = Parser_linesToAsm(&buffs, lines);
    arg_deinit(file_arg);
    res = strsCopy(outBuffs, res);
    strsDeinit(&buffs);
    return res;
}

char* AST_genAsm_sub(AST* ast, AST* subAst, Args* outBuffs, char* pikaAsm) {
    int deepth = obj_getInt(ast, "deepth");
    Args buffs = {0};
    /* append each queue item */
    while (1) {
        QueueObj* subStmt = queueObj_popObj(subAst);
        if (NULL == subStmt) {
            break;
        }
        obj_setInt(ast, "deepth", deepth + 1);
        pikaAsm = AST_genAsm_sub(ast, subStmt, &buffs, pikaAsm);
    }

    /* Byte code generate rules */
    const GenRule rules_subAst[] = {
        {.ins = "RUN", .type = VAL_DYNAMIC, .ast = "method"},
        {.ins = "OPT", .type = VAL_DYNAMIC, .ast = "operator"},
        {.ins = "BYT", .type = VAL_DYNAMIC, .ast = "bytes"},
        {.ins = "NUM", .type = VAL_DYNAMIC, .ast = "num"},
        {.ins = "IMP", .type = VAL_DYNAMIC, .ast = "import"},
        {.ins = "REF", .type = VAL_DYNAMIC, .ast = "ref"},
        {.ins = "STR", .type = VAL_DYNAMIC, .ast = "string"},
        {.ins = "SLC", .type = VAL_NONEVAL, .ast = "slice"},
        {.ins = "DCT", .type = VAL_NONEVAL, .ast = "dict"},
        {.ins = "LST", .type = VAL_NONEVAL, .ast = "list"},
        {.ins = "OUT", .type = VAL_DYNAMIC, .ast = "left"}};

    char* buff = args_getBuff(&buffs, PIKA_SPRINTF_BUFF_SIZE);

    /* append the syntax item */
    for (size_t i = 0; i < sizeof(rules_subAst) / sizeof(GenRule); i++) {
        GenRule rule = rules_subAst[i];
        char* astNodeVal = obj_getStr(subAst, rule.ast);
        if (NULL != astNodeVal) {
            /* e.g. "0 RUN print \n" */
            __platform_sprintf(buff, "%d %s ", deepth, rule.ins);
            Arg* abuff = arg_newStr(buff);
            if (rule.type == VAL_DYNAMIC) {
                abuff = arg_strAppend(abuff, astNodeVal);
            }
            abuff = arg_strAppend(abuff, "\n");
            pikaAsm = strsAppend(&buffs, pikaAsm, arg_getStr(abuff));
            arg_deinit(abuff);
        }
    }

    obj_setInt(ast, "deepth", deepth - 1);
    goto exit;
exit:
    pikaAsm = strsCopy(outBuffs, pikaAsm);
    strsDeinit(&buffs);
    return pikaAsm;
}

char* ASM_addBlockDeepth(AST* ast,
                         Args* buffs_p,
                         char* pikaAsm,
                         uint8_t deepthOffset) {
    pikaAsm = strsAppend(buffs_p, pikaAsm, (char*)"B");
    char buff[11];
    pikaAsm =
        strsAppend(buffs_p, pikaAsm,
                   fast_itoa(buff, AST_getBlockDeepthNow(ast) + deepthOffset));
    pikaAsm = strsAppend(buffs_p, pikaAsm, (char*)"\n");
    return pikaAsm;
}

char* GenRule_toAsm(GenRule rule,
                    Args* buffs,
                    AST* ast,
                    char* pikaAsm,
                    int deepth) {
    char* buff = args_getBuff(buffs, PIKA_SPRINTF_BUFF_SIZE);
    /* parse stmt ast */
    pikaAsm = AST_genAsm_sub(ast, ast, buffs, pikaAsm);
    /* e.g. "0 CTN \n" */
    __platform_sprintf(buff, "%d %s ", deepth, rule.ins);
    Arg* abuff = arg_newStr(buff);
    if (rule.type == VAL_DYNAMIC) {
        abuff = arg_strAppend(abuff, obj_getStr(ast, rule.ast));
    }
    if (rule.type == VAL_STATIC_) {
        abuff = arg_strAppend(abuff, rule.val);
    }
    abuff = arg_strAppend(abuff, "\n");
    pikaAsm = strsAppend(buffs, pikaAsm, arg_getStr(abuff));
    arg_deinit(abuff);
    return pikaAsm;
}

char* AST_genAsm(AST* ast, Args* outBuffs) {
    const GenRule rules_topAst[] = {
        {.ins = "CTN", .type = VAL_NONEVAL, .ast = "continue"},
        {.ins = "BRK", .type = VAL_NONEVAL, .ast = "break"},
        {.ins = "DEL", .type = VAL_DYNAMIC, .ast = "del"},
        {.ins = "GLB", .type = VAL_DYNAMIC, .ast = "global"},
        {.ins = "RIS", .type = VAL_DYNAMIC, .ast = "raise"},
        {.ins = "ASS", .type = VAL_NONEVAL, .ast = "assert"},
        {.ins = "RET", .type = VAL_NONEVAL, .ast = "return"}};

    /* generate code for block ast */
    const GenRule rules_block[] = {
        {.ins = "TRY", .type = VAL_NONEVAL, .ast = "try"},
        {.ins = "EXP", .type = VAL_NONEVAL, .ast = "except"},
        {.ins = "NEL", .type = VAL_STATIC_, .ast = "else", .val = "1"},
        {.ins = "JEZ", .type = VAL_STATIC_, .ast = "if", .val = "1"},
        {.ins = "JEZ", .type = VAL_STATIC_, .ast = "while", .val = "2"},
    };

    Args buffs = {0};
    char* pikaAsm = strsCopy(&buffs, "");
    QueueObj* exitBlock;
    uint8_t is_block_matched;
    if (NULL == ast) {
        pikaAsm = NULL;
        goto exit;
    }
    exitBlock = obj_getObj(ast, "exitBlock");
    /* exiting from block */
    if (exitBlock != NULL) {
        while (1) {
            uint8_t block_type_num = obj_getInt(exitBlock, "top") -
                                     obj_getInt(exitBlock, "bottom") - 1;
            char* block_type = queueObj_popStr(exitBlock);
            if (NULL == block_type) {
                break;
            }
            /* goto the while start when exit while block */
            if (strEqu(block_type, "while")) {
                pikaAsm =
                    ASM_addBlockDeepth(ast, outBuffs, pikaAsm, block_type_num);
                pikaAsm = strsAppend(outBuffs, pikaAsm, (char*)"0 JMP -1\n");
            }
#if PIKA_SYNTAX_EXCEPTION_ENABLE
            /* goto the while start when exit while block */
            if (strEqu(block_type, "try")) {
                pikaAsm =
                    ASM_addBlockDeepth(ast, outBuffs, pikaAsm, block_type_num);
                pikaAsm = strsAppend(outBuffs, pikaAsm, (char*)"0 NTR \n");
                pikaAsm = strsAppend(outBuffs, pikaAsm, (char*)"0 GER \n");
                pikaAsm = strsAppend(outBuffs, pikaAsm, (char*)"0 JEZ 2\n");
            }

            if (strEqu(block_type, "except")) {
                pikaAsm = strsAppend(outBuffs, pikaAsm, (char*)"0 SER 0\n");
            }
#endif
            /* goto the while start when exit while block */
            if (strEqu(block_type, "for")) {
                pikaAsm =
                    ASM_addBlockDeepth(ast, outBuffs, pikaAsm, block_type_num);
                pikaAsm = strsAppend(outBuffs, pikaAsm, (char*)"0 JMP -1\n");
                /* garbage collect for the list */
                pikaAsm =
                    ASM_addBlockDeepth(ast, outBuffs, pikaAsm, block_type_num);
                char _l_x[] = "$lx";
                char block_deepth_char =
                    AST_getBlockDeepthNow(ast) + block_type_num + '0';
                _l_x[sizeof(_l_x) - 2] = block_deepth_char;
                pikaAsm = strsAppend(outBuffs, pikaAsm, (char*)"0 DEL ");
                pikaAsm = strsAppend(outBuffs, pikaAsm, (char*)_l_x);
                pikaAsm = strsAppend(outBuffs, pikaAsm, (char*)"\n");
            }
            /* return when exit method */
            if (strEqu(block_type, "def")) {
                pikaAsm = ASM_addBlockDeepth(ast, outBuffs, pikaAsm,
                                             block_type_num + 1);
                pikaAsm = strsAppend(outBuffs, pikaAsm, (char*)"0 RET \n");
            }
            /* return when exit class */
            if (strEqu(block_type, "class")) {
                pikaAsm = ASM_addBlockDeepth(ast, outBuffs, pikaAsm,
                                             block_type_num + 1);
                pikaAsm =
                    strsAppend(outBuffs, pikaAsm, (char*)"0 RAS $origin\n");
                pikaAsm = ASM_addBlockDeepth(ast, outBuffs, pikaAsm, 1);
                pikaAsm = strsAppend(outBuffs, pikaAsm, (char*)"0 NEW self\n");
                pikaAsm = strsAppend(outBuffs, pikaAsm, (char*)"0 RET \n");
            }
        }
    }
    /* add block deepth */
    /* example: B0 */
    pikaAsm = ASM_addBlockDeepth(ast, outBuffs, pikaAsm, 0);

    /* "deepth" is invoke deepth, not the blockDeepth */
    obj_setInt(ast, "deepth", 0);

    /* match block */
    is_block_matched = 0;
    if (strEqu(AST_getThisBlock(ast), "for")) {
        /* for "for" iter */
        char* arg_in = obj_getStr(ast, "arg_in");
        char* arg_in_kv = NULL;
        Arg* newAsm_arg = arg_newStr("");
        char _l_x[] = "$lx";
        char block_deepth_char = '0';
        block_deepth_char += AST_getBlockDeepthNow(ast);
        _l_x[sizeof(_l_x) - 2] = block_deepth_char;
        /* init iter */
        /*     get the iter(_l<x>) */
        pikaAsm = AST_genAsm_sub(ast, ast, &buffs, pikaAsm);
        newAsm_arg = arg_strAppend(newAsm_arg, "0 OUT ");
        newAsm_arg = arg_strAppend(newAsm_arg, _l_x);
        newAsm_arg = arg_strAppend(newAsm_arg, "\n");
        pikaAsm = strsAppend(&buffs, pikaAsm, arg_getStr(newAsm_arg));
        arg_deinit(newAsm_arg);
        newAsm_arg = arg_newStr("");
        /* get next */
        /*     run next(_l<x>) */
        /*     check item is exist */
        /*
            $n = $lx.next()
            EST $n
            k, v = $n
            DEL $n
        */

        if (_check_is_multi_assign(arg_in)) {
            arg_in_kv = arg_in;
            arg_in = "$tmp";
        }

        pikaAsm = ASM_addBlockDeepth(ast, outBuffs, pikaAsm, 0);
        newAsm_arg = arg_strAppend(newAsm_arg, "0 RUN ");
        newAsm_arg = arg_strAppend(newAsm_arg, _l_x);
        newAsm_arg = arg_strAppend(newAsm_arg,
                                   ".__next__\n"
                                   "0 OUT ");
        newAsm_arg = arg_strAppend(newAsm_arg, arg_in);
        newAsm_arg = arg_strAppend(newAsm_arg,
                                   "\n"
                                   "0 EST ");
        newAsm_arg = arg_strAppend(newAsm_arg, arg_in);
        newAsm_arg = arg_strAppend(newAsm_arg, "\n0 JEZ 2\n");
        pikaAsm = strsAppend(&buffs, pikaAsm, arg_getStr(newAsm_arg));
        arg_deinit(newAsm_arg);

        if (NULL != arg_in_kv) {
            int out_num = 0;
            while (1) {
                char* item = Cursor_popToken(&buffs, &arg_in_kv, ",");
                if (item[0] == '\0') {
                    break;
                }
                char* stmt = strsFormat(&buffs, PIKA_LINE_BUFF_SIZE,
                                        "%s = $tmp[%d]\n", item, out_num);

                AST* ast_this = AST_parseLine_withBlockDeepth(
                    stmt, AST_getBlockDeepthNow(ast) + 1);
                pikaAsm =
                    strsAppend(&buffs, pikaAsm, AST_genAsm(ast_this, &buffs));
                AST_deinit(ast_this);
                out_num++;
            }
            pikaAsm = ASM_addBlockDeepth(ast, outBuffs, pikaAsm, 1);
            pikaAsm = strsAppend(&buffs, pikaAsm, "0 DEL $tmp\n");
        }

        is_block_matched = 1;
        goto exit;
    }
    if (strEqu(AST_getThisBlock(ast), "elif")) {
        /* skip if __else is 0 */
        pikaAsm = strsAppend(&buffs, pikaAsm, "0 NEL 1\n");
        /* parse stmt ast */
        pikaAsm = AST_genAsm_sub(ast, ast, &buffs, pikaAsm);
        /* skip if stmt is 0 */
        pikaAsm = strsAppend(&buffs, pikaAsm, "0 JEZ 1\n");
        is_block_matched = 1;
        goto exit;
    }
    if (strEqu(AST_getThisBlock(ast), "def")) {
        char* defaultStmts = AST_getNodeAttr(ast, "default");
        pikaAsm = strsAppend(&buffs, pikaAsm, "0 DEF ");
        pikaAsm = strsAppend(&buffs, pikaAsm, AST_getNodeAttr(ast, "declare"));
        pikaAsm = strsAppend(&buffs, pikaAsm,
                             "\n"
                             "0 JMP 1\n");

        if (NULL != defaultStmts) {
            int stmt_num = strGetTokenNum(defaultStmts, ',');
            for (int i = 0; i < stmt_num; i++) {
                char* stmt = strsPopToken(&buffs, defaultStmts, ',');
                char* arg_name = strsGetFirstToken(&buffs, stmt, '=');
                pikaAsm = ASM_addBlockDeepth(ast, &buffs, pikaAsm, 1);
                pikaAsm = strsAppend(&buffs, pikaAsm, "0 EST ");
                pikaAsm = strsAppend(&buffs, pikaAsm, arg_name);
                pikaAsm = strsAppend(&buffs, pikaAsm, "\n");
                pikaAsm = strsAppend(&buffs, pikaAsm, "0 JNZ 2\n");
                AST* ast_this = AST_parseLine_withBlockDeepth(
                    stmt, AST_getBlockDeepthNow(ast) + 1);
                pikaAsm =
                    strsAppend(&buffs, pikaAsm, AST_genAsm(ast_this, &buffs));
                AST_deinit(ast_this);
            }
        }

        is_block_matched = 1;
        goto exit;
    }

    if (strEqu(AST_getThisBlock(ast), "class")) {
        char* declare = obj_getStr(ast, "declare");
        char* thisClass = NULL;
        char* superClass = NULL;
        if (strIsContain(declare, '(')) {
            thisClass = strsGetFirstToken(&buffs, declare, '(');
            superClass = strsCut(&buffs, declare, '(', ')');
        } else {
            thisClass = declare;
            superClass = "";
        }
        if (strEqu("", superClass)) {
            /* default superClass */
            superClass = "TinyObj";
        }
        if (strEqu("TinyObj", superClass)) {
            /* default superClass */
            superClass = "TinyObj";
        }
        pikaAsm = strsAppend(&buffs, pikaAsm, "0 CLS ");
        pikaAsm = strsAppend(&buffs, pikaAsm,
                             strsAppend(&buffs, thisClass,
                                        "()\n"
                                        "0 JMP 1\n"));
        char block_deepth_str[] = "B0\n";
        /* goto deeper block */
        block_deepth_str[1] += AST_getBlockDeepthNow(ast) + 1;
        pikaAsm = strsAppend(&buffs, pikaAsm, block_deepth_str);
        pikaAsm = strsAppend(&buffs, pikaAsm, "0 RUN ");
        pikaAsm = strsAppend(&buffs, pikaAsm, superClass);
        pikaAsm = strsAppend(&buffs, pikaAsm, "\n");
        pikaAsm = strsAppend(&buffs, pikaAsm, "0 OUT self\n");
        pikaAsm = strsAppend(&buffs, pikaAsm, block_deepth_str);
        pikaAsm = strsAppend(&buffs, pikaAsm, "0 RAS self\n");
        is_block_matched = 1;
        goto exit;
    }

    for (size_t i = 0; i < sizeof(rules_block) / sizeof(GenRule); i++) {
        GenRule rule = rules_block[i];
        if (strEqu(AST_getThisBlock(ast), rule.ast)) {
            pikaAsm = GenRule_toAsm(rule, &buffs, ast, pikaAsm, 0);
            is_block_matched = 1;
            goto exit;
        }
    }

    /* generate code for top level ast */
    for (size_t i = 0; i < sizeof(rules_topAst) / sizeof(rules_topAst[0]);
         i++) {
        GenRule item = rules_topAst[i];
        if (obj_isArgExist(ast, item.ast)) {
            pikaAsm = GenRule_toAsm(item, &buffs, ast, pikaAsm, 0);
            is_block_matched = 1;
            goto exit;
        }
    }
exit:
    if (NULL == pikaAsm) {
        strsDeinit(&buffs);
        return NULL;
    }
    if (!is_block_matched) {
        /* parse stmt ast */
        pikaAsm = AST_genAsm_sub(ast, ast, &buffs, pikaAsm);
    }

    /* output pikaAsm */
    pikaAsm = strsCopy(outBuffs, pikaAsm);
    strsDeinit(&buffs);
    return pikaAsm;
}

int32_t AST_deinit(AST* ast) {
    return obj_deinit(ast);
}

ByteCodeFrame* byteCodeFrame_appendFromAsm(ByteCodeFrame* self, char* pikaAsm) {
    Asmer asmer = {
        .asm_code = pikaAsm,
        .block_deepth_now = 0,
        .is_new_line = 0,
        .line_pointer = pikaAsm,
    };
    uint16_t const_pool_offset;
    uint16_t exist_offset;
    int invoke_deepth_int = 0;
    for (int i = 0; i < strCountSign(pikaAsm, '\n'); i++) {
        Args buffs = {0};
        char* line = strsGetLine(&buffs, asmer.line_pointer);
        char* data = NULL;
        char ins_str[4] = "";
        char invoke_deepth[3] = "";
        uint8_t space_num = 0;
        uint8_t invoke_deepth_i = 0;
        uint8_t ins_str_i = 0;
        Arg* line_buff = arg_newStr(line);
        strsDeinit(&buffs);
        line = arg_getStr(line_buff);
        InstructUnit ins_unit = {0};
        /* remove '\r' */
        if (line[strGetSize(line) - 1] == '\r') {
            line[strGetSize(line) - 1] = 0;
        }
        /* process block deepth flag*/
        if ('B' == line[0]) {
            asmer.block_deepth_now = fast_atoi(line + 1);
            asmer.is_new_line = 1;
            goto next_line;
        }

        /* process each ins */

        /* get constPool offset */
        const_pool_offset = 0;

        for (int i = 0; i < (int)strGetSize(line); i++) {
            if (space_num < 2) {
                if (line[i] == ' ') {
                    space_num++;
                    if (space_num == 2) {
                        data = line + i + 1;
                        break;
                    }
                    continue;
                }
            }
            if (space_num == 0) {
                invoke_deepth[invoke_deepth_i++] = line[i];
                continue;
            }
            if (space_num == 1) {
                ins_str[ins_str_i++] = line[i];
                continue;
            }
        }

        exist_offset = constPool_getOffsetByData(&(self->const_pool), data);

        /* get const offset */
        if (strEqu(data, "")) {
            /* not need const value */
            const_pool_offset = 0;
        } else if (65535 == exist_offset) {
            /* push new const value */
            const_pool_offset = constPool_getLastOffset(&(self->const_pool));
            /* load const to const pool buff */
            constPool_append(&(self->const_pool), data);
        } else {
            /* use exist const value */
            const_pool_offset = exist_offset;
        }

        invoke_deepth_int = fast_atoi(invoke_deepth);
        /* load Asm to byte code unit */
        instructUnit_setBlockDeepth(&ins_unit, asmer.block_deepth_now);
        instructUnit_setInvokeDeepth(&ins_unit, invoke_deepth_int);
        instructUnit_setConstPoolIndex(&ins_unit, const_pool_offset);
        instructUnit_setInstruct(&ins_unit, pikaVM_getInstructFromAsm(ins_str));
        if (asmer.is_new_line) {
            instructUnit_setIsNewLine(&ins_unit, 1);
            asmer.is_new_line = 0;
        }

        /* append instructUnit to instructArray */
        instructArray_append(&(self->instruct_array), &ins_unit);

    next_line:
        /* point to next line */
        asmer.line_pointer += strGetLineSize(asmer.line_pointer) + 1;
        arg_deinit(line_buff);
    }
    return self;
}

char* Parser_linesToArray(char* lines) {
    ByteCodeFrame bytecode_frame;
    byteCodeFrame_init(&bytecode_frame);
    bytecodeFrame_fromLines(&bytecode_frame, lines);
    /* do something */
    byteCodeFrame_print(&bytecode_frame);

    __platform_printf("\n\n/* clang-format off */\n");
    __platform_printf("PIKA_PYTHON(\n");
    __platform_printf("%s\n", lines);
    __platform_printf(")\n");
    __platform_printf("/* clang-format on */\n");
    byteCodeFrame_printAsArray(&bytecode_frame);
    /* deinit */
    byteCodeFrame_deinit(&bytecode_frame);
    __platform_printf("\n\n");
    return NULL;
}