php-srcを読んでみよう / php-src codereading

PHP Conference Japan 2022の発表資料です。
https://fortee.jp/phpcon-2022/proposal/1addf51d-6f72-4c96-9337-034ec6cc0643

Transcript

1. גࣜձࣾϠϓϦా࣮੣
   QIQTSDΛಡΜͰΈΑ͏
   

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2. ࣗݾ঺հ
   w ా࣮੣!U[N@GSFFEPN
   w גࣜձࣾϠϓϦͷαʔόʔαΠυΤϯδχΞ
   w 1)1ྺ͸ʙ೥͘Β͍
   w $ݴޠྺ͸̍೥͘Β͍ʹॳ৺ऀ
   w 1)1FS,BJHJͰ͸1)1Ͱ1)1Λ࣮૷
   

   1)1$POGFSFODFͰ͸ಠࣗϑϨʔϜϫʔΫΛվળ
   

   1)1FS,BJHJͰ͸1)1Ͱ1)1ͷσόοΨʔΛ࣮૷
   

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4. ͜ͷηογϣϯͰ͸
   ϓϩάϥϛϯάݴޠͷιʔείʔυΛ
   ಡΈ͍ͨͱ͍͏ਓͷເΛ׎͑·͢
   

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5. ͜ͷηογϣϯͷ໨త
   w1)1ຊମͷιʔείʔυ QIQTSD
   ΛಡΉ্Ͱඞཁͳ஌
   ࣝ΍ಡΈํΛͬ͟ͱ঺հ
   wQIQTSDΛશ͘ಡΜͩ͜ͱ͕ͳ͘ɺ$ݴޠ΋ͦΜͳʹ஌
   Βͳ͍ਓ͕ಡΊͦ͏ͳؾ࣋ͪʹͳΔ͜ͱ͕໨ඪ
   w͜ΕΛ͖͔͚ͬʹQIQTSDΛಡΉحಛͳਓΛ૿΍͢
   

   ϓϩάϥϛϯάݴޠͷιʔείʔυΛ͍͔ͭಡΜͰΈͨ
   ͍ɺͱࢥ͍ͬͯΔਓͷಡΉ͖͔͚ͬʹͳͬͯ͘ΕΔͱخ
   ͍͠Ͱ͢
   

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6. ͜ͷηογϣϯͰ࿩͢͜ͱ
   w QIQTSDͷσόοάͷํ๏
   w σόοάϏϧυͷํ๏
   w (%#ͷΠϯετʔϧ
   w QIQTSDΛಡΉ্Ͱඞཁͳ1)1ͱ$ݴޠͷ஌ࣝ
   w FDIPͷίʔυΛಡΜͰΈΑ͏
   w 1)1Λվ଄ͯ͠ΈΑ͏
   w ˞ಡΉ͜ͱʹϑΥʔΧε͍ͯ͠·͢
   

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7. QIQTSDͷσόοάͷํ๏
   

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8. QIQTSDͷσόοά͕Ͱ͖ΔΑ͏ʹ͢Δ
   w ίʔυΛಡΉ͚ͩͰ׬શʹཧղ͢Δ͜ͱ͸೉͍͠
   w σόοά͢Δ͜ͱͰɺͦͷͱ͖ͷม਺ͷ஋΍ݺͼग़͠ݩʢελ
   οΫτϨʔεʣ͕֬ೝͰ͖ͯਖ਼͍͠ཧղ͕Ͱ͖Δ
   w σόοά͢Δʹ͸1)1ͷσόοάϏϧυ͕ඞཁ
   w 1)1͸$ݴޠͰ࣮૷͞Ε͍ͯΔͷͰ(%#ͰσόοάͰ͖Δ
   w (%#(/6%FCVHHFS$6*56*ͳσόοΨʔ
   

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9. 1)1ͷσόοάϏϧυͷํ๏
   Ϗϧυ͢ΔͱTBQJDMJQIQʹ1)1ͷ$-*͕࡞੒͞ΕΔ
   $ git clone git@github.com:php/php-src.git
   
   
   $ cd php-src
   
   
   $ ./buildconf
   
   
   $ ./configure --enable-opcache --enable-debug
   
   
   $ make -j4
   $ sapi/cli/php test.php
   

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10. (%#ΛΠϯετʔϧNBD04ͷ৔߹
    w ίʔυॺ໊Λ͠ͳ͍ͱ࢖͑ͳ͍ͷͰΩʔνΣʔϯΞΫηεͰূ
    ໌ॻΛ࡞੒ͯ͠YNMϑΝΠϧ࡞੒ͯ͠ίʔυॺ໊͢Δ
    w ৄࡉ͸ൃදࢿྉͷ"QQFOEJYʹهࡌ
    $ brew install gdb
    
    
    $ codesign --entitlements gdb.xml -fs gdb $(which gdb)
    

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11. (6*ͳσόοάͷઃఆ
    w ׽͸໧ͬͯ(%#Λ௚઀࢖ͬͨ56*σόοάͰ΋ྑ͍͕
    w (6*ϕʔεͷσόοά͕Ͱ͖Δͱίʔυͷཧղ͕ḿΔ
    w 74$PEFͰͷ(6*σόοάͷઃఆ͸͜Ε͚ͩˣ
    w $$ͷϓϥάΠϯΛΠϯετʔϧ
    w MBVODIKTPOΛઃఆ
    w ৄࡉ͸ൃදࢿྉͷ"QQFOEJYʹهࡌ
    

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12. (6*ͷσόοάྫ
    ม਺Λ֬ೝ͢Δͱ͜Ζ
    ίʔϧελοΫ
    εςοϓ࣮ߦͷૢ࡞
    

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13. σόοάίϯιʔϧͰ56*σόοά͢Δ͜ͱ΋Մೳ
    ͜͜ͰίϚϯυΛ࣮ߦ
    

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14. HECJOJUͰ͞Βʹศརʹσόοά͢Δ
    w (%#ʹ͸HECJOJUͱ͍͏(%#࣮ߦ࣌ʹಡ·ΕΔϑΝΠϧ͕͋Δ
    w QIQTSD௚Լʹ΋HECJOJU͕͋ΓɺQIQTSDΛσόοά͢Δͨ
    Ίͷศརؔ਺͕༻ҙ͞Ε͍ͯΔ
    QSJOU@DWT $7ʢม਺ʣͷҰཡΛऔಘ
    QSJOU[W [WBMΛಡΈ΍͘͢දࣔ
    QSJOU@[TUS [TUSJOHΛಡΈ΍͘͢දࣔ
    HECJOJUʹఆٛ͞Ε͍ͯΔؔ਺ͷྫ
    

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15. Α͠ɺ1)1ͷίʔυΛಡΉͧʂ
    

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16. ͦͷલʹ$ݴޠͷجૅ஌ࣝ
    

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17. QIQTSDΛಡΉલͷ$ݴޠͷجૅ஌ࣝ
    w جຊతʹ͸งғؾͰಡΜͰ͍͚͹0,
    w ϚΫϩͱϝϞϦ͚ͩ஫ҙ͕ඞཁ
    

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18. ϚΫϩ
    w ϏϧυલʹߦΘΕΔจࣈྻஔ׵
    w จࣈྻஔ׵͕Ώ͑ԿͰ΋Ͱ͖Δɻ$ݴޠͷߏจແࢹͯ͘͠Δɻ
    w QIQTSDΛಡΉͱ͖͸େྔͷϚΫϩͱ޲͖߹͏ඞཁ͕͋Δ
    #define PHP_VERSION "8.2.0-dev"
    
    
    #define PHP_VERSION_ID 80200
    

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19. ࣮ࡍͷίʔυྫ
    static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL
    ZEND_ECHO_SPEC_CONST_HANDLER(ZEND_OPCODE_HANDLER_ARGS)
    
    
    {
    
    
    USE_OPLINE
    
    
    zval *z;
    
    
    SAVE_OPLINE();
    
    
    z = RT_CONSTANT(opline, opline->op1);
    

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20. ࣮ࡍͷίʔυྫ
    static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL
    ZEND_ECHO_SPEC_CONST_HANDLER(ZEND_OPCODE_HANDLER_ARGS)
    
    
    {
    
    
    USE_OPLINE
    
    
    zval *z;
    
    
    SAVE_OPLINE();
    
    
    z = RT_CONSTANT(opline, opline->op1);
    ͑ɺͳΜ͔ηϛίϩϯແ͍Μ͚ͩͲʜʂ
    ͑ɺܕ͕ϚΫϩʹͳ͍ͬͯΔʜʁ
    ͑ɺҾ਺Ͳ͏ͳͬͯΜͷʜʂʁ
    PQMJOF͍ͬͯ͏ม਺ɺͲ͜ʹ΋ఆٛ͞Ε͍ͯͳ͍ͷ͕ͩʜʁʁ
    

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21. ϚΫϩ͸͜Μͳײ͡Ͱఆٛ͞Ε͍ͯΔ
    # define ZEND_OPCODE_HANDLER_RET int
    
    
    # define ZEND_FASTCALL
    
    
    # define ZEND_OPCODE_HANDLER_ARGS zend_execute_data
    *execute_data
    
    
    # define USE_OPLINE const zend_op *opline = EX(opline);
    
    
    #define EX(element) ((execute_data)->element)
    

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22. ల։͢Δͱ͜Μͳײ͡
    static int
    ZEND_ECHO_SPEC_CONST_HANDLER(zend_execute_data
    *execute_data)
    
    
    {
    
    
    const zend_op *opline = ((execute_data)->opline);
    
    
    zval *z;
    static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL
    ZEND_ECHO_SPEC_CONST_HANDLER(ZEND_OPCODE_HANDLER_ARGS)
    
    
    {
    
    
    USE_OPLINE
    
    
    zval *z;
    

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23. ͜ΜͳϚΫϩ΋͋Δ
    ZEND_HASH_MAP_FOREACH_STR_KEY(ht, key) {
    
    
    //…
    
    
    } ZEND_HASH_FOREACH_END();
    do {
    
    
    for(...) {
    
    
    {
    
    
    //...
    
    
    }
    
    
    }
    
    
    } while(0)
    w ։࢝ͷϚΫϩͱऴྃͷϚΫϩͰରʹͳ
    Δɻ
    w ͪͳΈʹEPʙXIJMF
    ΛೖΕ͍ͯΔͷ
    ͸JGจͳͲͰෳ਺จͷల։Λͨ͠ͱ͖ʹ
    ҙਤͨ͠ڍಈʹ͢ΔͨΊ
    

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24. ϝϞϦ഑ஔ
    w ܕఆٛΛݟΔ͚ͩͰ͸ίʔυ͕ಡΊͳ͍ʢʂʁʣ
    w $ݴޠ͸ϝϞϦ؅ཧΛॊೈʹߦ͑Δ
    w ܕఆ͚ٛͩͰ͸ͳ͘ɺϝϞϦׂΓ౰ͯɾ഑ஔΛཧղ͢Δඞཁ
    ͕͋Δ
    

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25. ίʔϧϑϨʔϜͷϝϞϦ഑ஔྫ
    w [FOE@FYFDVUF@EBUBม਺ [WBM
    ʜͱ͍͏ײ͡Ͱ഑ஔ͞Εͯ
    ͍Δ
    w ϝϞϦΛಈతʹ֬อͯ͠[FOE@FYFDVUF@EBUBͱ[WBMͷྖҬΛܾΊͯ
    ഑ஔ
    

    [FOE@FYFDVUF@EBUBͷఆ͚ٛͩͰ͸ϝϞϦ഑ஔ͸Θ͔Βͳ͍
    [WBM
    FYFDVUF@EBUB
    ࣮ߦதͷؔ਺΍0QDPEF౳ΛؚΉߏ଄ମ
    [WBM
    ൪໨ͷม਺ ൪໨ͷม਺
    

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26. ม਺ͷߏ଄ମΛऔಘ͢Δྫ
    ((zval*)(((char*)(execute_data)) + ((int)(n))))
    w FYFDVUF@EBUBͷϙΠϯλʢઌ಄ͷΞυϨεʣ͔ΒOόΠτઌ
    ʹ͋ΔΞυϨε͔Β[WBMߏ଄ମΛऔಘ͍ͯ͠Δɻ
    

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27. Α͠ɺ1)1ͷίʔυΛಡΉͧʂ
    

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28. ͦͷલʹ1)1ͷجૅ஌ࣝ
    

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29. 4"1*
    w 4FSWFS"1*
    w ༷ʑͳ8FCαʔόʔͰ1)1Λಈ͔ͨ͢Ίͷ"1*
    w 1)1ͷίΞʹ;FOE&OHJOFΛ࢖͏ͨΊͷΠϯλʔϑΣʔε
    w $-* 1)1%#( NPE@QIQ QIQGQN 'BTU$(* ʜ
    

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30. ;FOE&OHJOF
    w 1)1ͷεΫϦϓτΛ࣮ߦ͢ΔΤϯδϯ
    w $-*΋NPE@QIQ΋QIQGQN΋࠷ऴతʹ;FOE&OHJOFΛݺΜͰ
    ͍Δ
    

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31. 4"1*;FOE&OHJOFͷ֓ཁਤ
    BQBDIF
    NPE@QIQ
    4"1*
    
    ;FOE&OHJOF
    )551
    ϦΫΤετ
    $-*
    4"1*
    
    ;FOE&OHJOF
    ίϚϯυ
    ࣮ߦ
    OHJOY
    QIQGQN
    4"1*
    
    ;FOE&OHJOF
    )551
    ϦΫΤετ
    

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32. $-*ͷFDIPͷελοΫτϨʔε
    NBJO
    TBQJDMJQIQ@DMJD
    EP@DMJ
    TBQJDMJQIQ@DMJD
    QIQ@FYFDVUF@TDSJQU
    NBJONBJOD
    [FOE@FYFDVUF@TDSJQUT
    ;FOE[FOED
    [FOE@FYFDVUF
    ;FOE[FOE@WN@FYFDVUFI
    FYFDVUF@FY
    ;FOE[FOE@WN@FYFDVUFI
    ;&/%@&$)0@41&$@$0/45@)"/%-&3 ;FOE[FOE@WN@FYFDVUFI
    4"1*
    ;FOE&OHJOF
    

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33. QIQGQNͷFDIPͷελοΫτϨʔε
    NBJO
    TBQJGQNGQNGQN@NBJOD
    QIQ@FYFDVUF@TDSJQU
    NBJONBJOD
    [FOE@FYFDVUF@TDSJQUT
    ;FOE[FOED
    [FOE@FYFDVUF
    ;FOE[FOE@WN@FYFDVUFI
    FYFDVUF@FY
    ;FOE[FOE@WN@FYFDVUFI
    ;&/%@&$)0@41&$@$0/45@)"/%-&3 ;FOE[FOE@WN@FYFDVUFI
    4"1*
    ;FOE&OHJOF
    

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34. 1)1ͷॲཧͷྲྀΕ
    

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35. 1)1ͷॲཧͷྲྀΕ
    4"1*͔Βىಈ
    εΫϦϓτΛղੳͯ͠"45Խ
    "45͔Β0QDPEFʢόΠτίʔυʣΛੜ੒
    0QDPEFΛ࣮ߦ
    

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36. 1)1εΫϦϓτΛղੳͯ͠"45Խ
    w "45"CTUSBDU4ZOUBY5SFF
    w ͍ΘΏΔࣈ۟ղੳɺߏจղੳ
    w ࡶʹݴ͏ͱεΫϦϓτΛߏ଄ମʹ͢Δॲཧ
    [FOE@BTU
    "45@45.5@-*45
    [FOE@BTU
    "45@"44*(/
    [FOE@BTU
    "45@&$)0
    QIQ
    J
    FDIPJ
    

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37. ࣈ۟ղੳɾߏจղੳͷίʔυ͸ࣗಈੜ੒͞ΕΔ
    start:
    
    
    top_statement_list { CG(ast) = $1; (void) zendnerrs; }
    
    
    ;
    
    
    echo_expr_list:
    
    
    echo_expr_list ',' echo_expr { $$ = zend_ast_list_add($1, $3); }
    
    
    | echo_expr { $$ = zend_ast_create_list(1, ZEND_AST_STMT_LIST, $1);
    }
    
    
    ;
    
    
    echo_expr:
    
    
    expr { $$ = zend_ast_create(ZEND_AST_ECHO, $1); }
    
    
    ;
    w ;FOE[FOE@MBOHVBHFZ΍;FOE[FOE@MBOHVBHF@TDBOOFSM͔Β
    

    ύʔαʔͷίʔυ͕ࣗಈੜ੒͞ΕΔ
    

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38. "45͔Β0QDPEFΛੜ੒
    [FOE@BTU
    "45@45.5@-*45
    [FOE@BTU
    "45@"44*(/
    [FOE@BTU
    "45@&$)0
    "44*(/
    &$)0
    $7 JOU
    
    TUSJOH
    lIPHFz
    
    
    PQDPEF PQ PQ
    
    
    SFTVMU
    w ωετͨ͠ଟ֊૚ͷߏ଄ମ͔Β̍֊૚ͷߏ଄ମͷ഑ྻʹม׵
    

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39. ม׵͍ͯ͠Δॲཧͷྫ
    static void zend_compile_echo(zend_ast *ast) /* {{{ */
    
    
    {
    
    
    zend_op *opline;
    
    
    zend_ast *expr_ast = ast->child[0];
    
    
    znode expr_node;
    
    
    zend_compile_expr(&expr_node, expr_ast);
    
    
    opline = zend_emit_op(NULL, ZEND_ECHO, &expr_node, NULL);
    
    
    opline->extended_value = 0;
    
    
    } &$)0ͷ0QDPEFΛ࡞੒
    w ;FOE[FOE@DPNQJMFDʹ"45͔Β0QDPEFΛੜ੒͢Δؔ਺͕͋Δ
    

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40. 0QDPEFͷ֬ೝํ๏
    w 0QDBDIFͷΦϓγϣϯΛࢦఆ͢Δͱ0QDPEFΛμϯϓͰ͖Δ
    $ sapi/cli/php -dopcache.opt_debug_level=0x10000 test.php
    $_main:
    
    
    ; (lines=3, args=0, vars=1, tmps=1)
    
    
    ; (before optimizer)
    
    
    ; /Users/nuser/phpconf2022/php-src/test.php:1-5
    
    
    ; return [] RANGE[0..0]
    
    
    0000 ASSIGN CV0($i) int(1)
    
    
    0001 ECHO CV0($i)
    
    
    0002 RETURN int(1)
    

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41. 0QDPEFͷ࣮ߦ
    w 0QDPEFͱΦϖϨʔλͭɺ
    ݁Ռͷ֨ೲઌ͕ೖ͍ͬͯΔ
    w 0QDPEFΛ࣮ߦ͢Δϋϯυϥ
    ʔʢؔ਺ϙΠϯλʣ΋ඥ෇͍
    ͍ͯΔ
    struct _zend_op {
    
    
    const void *handler;
    
    
    znode_op op1;
    
    
    znode_op op2;
    
    
    znode_op result;
    
    
    uint32_t extended_value;
    
    
    uint32_t lineno;
    
    
    zend_uchar opcode;
    
    
    zend_uchar op1_type;
    
    
    zend_uchar op2_type;
    
    
    zend_uchar result_type;
    
    
    };
    

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42. 0QDPEFΛ࣮ߦ͍ͯ͠Δίʔυ
    while (1) {
    
    
    int ret;
    
    
    if (UNEXPECTED((ret = ((opcode_handler_t)OPLINE-
    >handler)(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU)) != 0)) {
    
    
    if (EXPECTED(ret > 0)) {
    
    
    execute_data = EG(current_execute_data);
    
    
    ZEND_VM_LOOP_INTERRUPT_CHECK();
    
    
    } else {
    
    
    return;
    
    
    }
    
    
    }
    
    
    }
    

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43. Α͠ɺ1)1ͷίʔυΛಡΉͧʂʢ̏ճ໨
    

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44. FDIPΛಡΜͰΈΑ͏
    

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45. FDIP͕Ͳ͏ಈ͍͍ͯΔͷ͔ΛݟͯΈΑ͏
    w "45Λ֬ೝ͢Δ
    w 0QDPEFΛ֬ೝ͢Δ
    w ϋϯυϥʔͷॲཧΛ֬ೝ͢Δ
    

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46. "45Λ֬ೝ͢Δ
    w ద౰ͳͱ͜ΖʹϒϨʔΫϙΠϯτΛషͬͯ$( BTU
    Λσόο
    ά͢Δ
    w ͷ͸େมͳͷͰOJLJDQIQBTUΛ࢖ͬͯશମͷߏ଄Λ೺Ѳ͢Δ
    $ pecl install ast
    var_dump(ast\parse_code(‘$version=90));
    

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47. class ast\Node#1 (4) {
    
    
    public $kind => int(132)
    
    
    public $flags => int(0)
    
    
    public $lineno => int(1)
    
    
    public $children =>
    
    
    array(1) {
    
    
    [0] =>
    
    
    class ast\Node#2 (4) {
    
    
    public $kind => int(283)
    
    
    public $flags => int(0)
    
    
    public $lineno => int(1)
    
    
    public $children =>
    
    
    array(1) {
    
    
    'expr' => string(4) "hoge"
    
    
    }
    
    
    }
    
    
    }
    
    
    }
    w
    ;&/%@"45@45.5@-*45
    w
    ;&/%@"45@&$)0
    [FOE@BTU
    "45@45.5@-*45
    [FOE@BTU
    "45@&$)0
    [FOE@BTU@[WBM
    

    TUSJOH
    

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48. 0QDPEFΛ֬ೝ͢Δ
    w &$)0ͱ͍͏0QDPEFΛ֬ೝͰ͖Δ
    

    &$)0ΛϋϯυϦϯά͢Δؔ਺͕͋Δ͸ͣ
    w ˞3&563/JOU
    ͸Ұ୴εϧʔͰ0,
    0000 ECHO string(“hoge”)
    
    
    0001 RETURN int(1)
    

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49. ϋϯυϥʔΛ֬ೝ͢Δ
    w ;FOE[FOE@WN@FYFDVUFIʹఆٛ͞Ε͍ͯΔ
    w ;&/%@\0QDPEF^@41&$@\Ҿ਺ͷछผ^@)"/%-&3ͱ͍͏໊લʹͳ͍ͬͯΔ
    w &$)0ͷϋϯυϥʔͰ͸[FOE@XSJUF
    ؔ਺͕ݺ͹Ε͍ͯΔ
    static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL
    ZEND_ECHO_SPEC_CONST_HANDLER(ZEND_OPCODE_HANDLER_ARGS)
    
    
    {
    
    
    // …লུ…
    
    
    if (ZSTR_LEN(str) != 0) {
    
    
    zend_write(ZSTR_VAL(str), ZSTR_LEN(str));
    

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50. [FOE@XSJUF
    w ؔ਺ϙΠϯλ
    w 4"1*ʹΑͬͯηοτ͞ΕΔؔ਺͕มΘΔ
    w $-*͸ඪ४ग़ྗʹॻ͖ࠐΉ
    w NPE@QIQ͸BQBDIFͷؔ਺ܦ༝Ͱ)551ϨεϙϯεΛฦ͢
    extern ZEND_API zend_write_func_t zend_write;
    
    
    typedef size_t (*zend_write_func_t)(const char
    *str, size_t str_length);
    

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51. 1)1Λվ଄ͯ͠ΈΑ͏
    

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52. վ଄ֶͯ͠Ϳ1)1
    w ԿΛFDIPͯ͠΋ʮ1)1࠷ߴʂʂʯ͕ग़Δ1)1ʹ͢Δ
    $ sapi/cli/php test.php
    
    
    PHP࠷ߴ!!PHP࠷ߴ!!PHP࠷ߴ!!PHP࠷ߴ!!
    
    
    echo "hoge";
    
    
    echo "hoge";
    
    
    echo "hoge";
    
    
    echo "hoge";
    $ sapi/cli/php test.php
    
    
    hogehogehogehoge
    

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53. վ଄ͷ΍Γํ
    w 0QDPEFͷॲཧͷৼΔ෣͍Λม͑Ε͹0,
    w ;&/%@&$)0@41&$@$0/45@)"/%-&3ͳͲ
    w ॻ͖׵͑ͨ͋ͱ͸࠶౓NBLFͯ͠Ϗϧυ
    - zend_write(ZSTR_VAL(str), ZSTR_LEN(str));
    
    
    + char *str = “PHP࠷ߴ!!”;
    
    
    + zend_write(str, strlen(str));
    

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54. View Slide

55. QIQTSDಡΊͦ͏ʹͳΓ·ͨ͠ΑͶʁ
    

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56. ·ͱΊ
    w 1)1ͷσόοάͷํ๏͔ΒಡΉํ๏·Ͱͬ͟ͱ঺հ͠·ͨ͠
    w ϓϩάϥϛϯάݴޠͷίʔυΛಡΉͷ͸ɺ΍Γํ͑͞஌ͬͯ
    ͍Ε͹ͦ͏೉͗͢͠Δ΋ͷͰ΋ͳ͘୭Ͱ΋Ͱ͖·͢
    w ීஈԿؾͳ͘࢖͍ͬͯΔ1)1͕Ͳ͏΍ͬͯಈ͍͍ͯΔͷ͔͕
    Θ͔Δͱ໘ന͍Ͱ͢
    w ஌Βͳ͍࢓༷΋ग़͖ͯͨΓɺݴޠ࢓༷ΛΑΓཧղͰ͖·͢
    w ΤϯδχΞͷᅂΈͱ͍͔͕ͯ͠Ͱ͠ΐ͏͔ʁ
    

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57. &OKPZ$PEF3FBEJOHʂʂ
    

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58. "QQFOEJY
    

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59. ಡΉ্Ͱࢀߟʹͳͬͨهࣄ
    w ϨϯδΦϖϨʔλͷ࣮૷
    w IUUQTQIQJOUFSOBMTOFUBSUJDMFT
    JNQMFNFOUJOH@B@SBOHF@PQFSBUPS@JOUP@QIQ
    w ৽͍͠ԋࢉࢠΛ࣮૷͍ͯ͘͠QIQTSDνϡʔτϦΞϧ
    w ࣈ۟ղੳɾߏจղੳʙ0QDPEFੜ੒ɾ0QDPEF࣮ߦ·ͰܦݧͰ͖Δ
    w 1)1*OUFSOBMT#PPL
    w IUUQTXXXQIQJOUFSOBMTCPPLDPN
    w /JLJDେઌੜͷϒϩά
    w IUUQTXXXOQPQPWDPN
    

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60. (%#ͷίʔυॺ໊
    dHECJOJUͷઃఆ
    ΩʔνΣʔϯΞΫηεͰίʔυॺ໊༻ͷূ໌ॻΛ࡞੒
    ίʔυॺ໊ʹඞཁͳ9.-ϑΝΠϧΛ࡞੒
    ίʔυॺ໊Λ࣮ߦ
    ৄࡉ͸ҎԼͷهࣄ͕Θ͔Γ΍͍͢Ͱ͢ʂ🙏
    w IUUQTUBNBLJJJIBUFOBCMPHDPNFOUSZ
    w IUUQTCMPHTZNEPOJOGPQPTUT
    

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61. 74$PEFͷ$$ͷϓϥάΠϯ
    w IUUQTDPEFWJTVBMTUVEJPDPNEPDTMBOHVBHFTDQQ
    w IUUQTDPEFWJTVBMTUVEJPDPNEPDTDQQDQQEFCVH
    

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