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1
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ุจุณู… ุงู„ู„ู‡ ุงู„ุฑุญู…ู† ุงู„ุฑุญูŠู… ุงู„ูŠูˆู… ุฅู† ุดุงุก ุงู„ู„ู‡ ุจุฏู†ุง
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ู†ุณุชูƒู…ู„ ููŠ chapter 4 chapter 4 ุชู‚ุฑูŠุจุง ู…ุนุธู… ุงู„ุฃุดูŠุงุก
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ุงู„ู„ูŠ ููŠู‡ ุฃุฎุฐู†ุงู‡ุง ู‚ุจู„ ู‡ูŠูƒ ู„ูƒู† ู‡ู†ุฑูƒุฒ ูู‚ุท ุนู„ู‰
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ุงู„ุฅุถุงูุงุช ุงู„ู„ูŠ ู…ุง ุฃุฎุฏู†ุงุด ู‚ุจู„ ู‡ูŠูƒ chapter 4 ุจุชูƒู„ู…
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ุจุงู„ุชูุตูŠู„ ุนู† ุงู„ syntax analysis ุงู„ู„ูŠ ู‡ูˆ ุนู…ู„ูŠุฉ ุงู„
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parsing ุจุงู„ุชูุตูŠู„ ูˆุนู…ู„ูŠุฉ ุงู„ grammar ุทุจุนุง ุฃุญู†ุง ุฃุฎุฏู†ุง
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ุงู„ุนู…ู„ูŠุฉ ู‡ุฐู‡ ู‚ุจู„ ู‡ูŠูƒ ููŠ ุงู„ุดุจุงุชุฑ ุงู„ุณุงุจู‚ุฉ ู„ูƒู†
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ุจุงู„ุชุฃูƒูŠุฏ ููŠ ุฃุดูŠุงุก ูŠู…ูƒู† ู…ุง ุญูƒูŠู†ุงู‡ุงุด ุจ more details
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ุฎู„ุงู„ ู‡ุฐุง ุงู„ุดุจุทู† ุฅู† ุดุงุก ุงู„ู„ู‡ ุจุฏู†ุง ู†ุนุฑุฌ ุนู„ูŠู‡ุง ูˆ
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ู†ุญุงูˆู„ ุฃู† ู†ุนุฑูู‡ุง ุฃู†ุง ุฅู† ุดุงุก ุงู„ู„ู‡ ุฎู„ุงู„ ุงู„ุดุฑุญ ู‡ุญุงูˆู„
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ุฃู†ู‘ ุงู„ุฃุดูŠุงุก ุงู„ู„ูŠ ุฃุฎุฏู†ุงู‡ุง ู‚ุจู„ ู‡ูŠูƒ ุฃุชุฌูˆุฒ ุนู†ู‡ุง ูˆ ุฃุฑูƒุฒ
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ูู‚ุท ุนู„ู‰ ุงู„ุฃุดูŠุงุก ุงู„ู„ูŠ ู…ุง ุฃุฎุฏู†ุงุด ู‚ุจู„ ู‡ูŠูƒ ุทุจุนุง ู‡ู†ุง ุฒูŠ
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ู…ุง ุฃู†ุชู… ุดุงูŠููŠู† ููŠ ุงู„ุจุฏุงูŠุฉ ุงู„ุฑุณู…ุฉ ุงู„ุฃุณุงุณูŠุฉ ุงู„ู„ูŠ
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ุจุชุญุทู„ู†ุง ุงู„ุฎุงุฑุทุฉ ุงุญู†ุง ูˆูŠู† ู…ูˆุฌูˆุฏูŠู† ุงู„ู„ูŠ ุฏุงุฆู…ุง ุจู†ุชูƒู„ู…
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ุนู†ู‡ุง ู…ู† ุจุฏุงูŠุฉ ุงู„ูุตู„ ุฃู†ุง ุนู†ุฏูŠ lexical analyzer ุงู„
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lexical analyzer ุจูŠู‚ุฑุฃ ู…ู† ุงู„ source program ูˆ
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ุจูŠุฑูˆุญ ุจูŠุทู„ุน ู„ูŠ ุงู„ tokens ุงู„ tokens ู‡ุฏูˆู„ ุจูŠุจุนุซู‡ู… ู„ู„
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parser ูˆ ุงู„ parser ุจูŠุญุงูˆู„ ู…ู† ุฎู„ุงู„ ุงู„ grammar ูŠุนู…ู„
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ุนู…ู„ูŠุฉ parsing tree ูˆ ู‡ูŠ ู‡ุฐุง ุงู„ู„ูŠ ุงุญู†ุง ู†ุฑูƒุฒ ุนู„ูŠู‡ ุงู„
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stage ู‡ุงูŠ ุฃู† ูƒูŠู ุนู…ู„ูŠุฉ ุงู„ parsing ุจุชุชู… ุทุจุนุง ุงุญู†ุง
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ู‚ู„ู†ุง ู‚ุจู„ ู‡ูŠูƒ ุฃู† ุนู…ู„ูŠุฉ ุงู„ parsing ุจุชุนุชู…ุฏ ุจุดูƒู„
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ุฃุณุงุณูŠ ุนู„ู‰ ูˆุฌูˆุฏ ุงู„ grammar ุจูŠูˆุตู ุงู„ language ู„ุฃู†ู‘ู‡ ู…ู†
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ุฎู„ุงู„ ู‡ุฐุง ุงู„ grammar ุฃู†ุง ุจุญุงูˆู„ ุฃุนู…ู„ ุนู…ู„ูŠุฉ parsing
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ู„ู„ sentence ุงู„ู„ูŠ ู…ูˆุฌูˆุฏุฉ ุนู†ุฏูŠ ูุฅุฐุง ู‡ุฐู‡ ุงู„ sentence
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ุทู„ุนุช ู…ุนู†ุงู‡ุง ู‡ุฐู‡ ุงู„ sentence ุณู„ูŠู…ุฉ ูˆ ู…ูƒุชูˆุจุฉ ุถู…ู†
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ุงู„ู†ุทุงู‚ ุชุจุน ุงู„ language ุฃูˆ ุถู…ู† ุงู„ syntax ุงู„ุณู„ูŠู… ูˆ
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ุงู„ุตุญูŠุญ ุชุจุน ุงู„ language ูˆ ุทุจุนุง ุฒูŠ ู…ุง ุงุญู†ุง ุดุงูŠููŠู† ูˆ
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ู‚ู„ู†ุง ู‚ุจู„ ู‡ูŠูƒ ุฃู† ุฌู…ูŠุน ุงู„ stages ุจุชุนุงู…ู„ูˆุง ุจุงุณุชู…ุฑุงุฑ
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ู…ุน ุงู„ symbol table ุทูŠุจุŒ ุงู„ุขู† ููŠ section 412 ุจุจุฏุฃ
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ูŠุชูƒู„ู… ุนู† ุงู„ grammar ูˆ ูƒุฃู†ู‡ ุงุญู†ุง ู…ุด ุนุงุฑููŠู† ูˆู„ุง ุฅูŠุด
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ุนู† ุงู„ grammar ุจุจุฏุฃ ูŠูˆุฑูŠู†ูŠ ูƒูŠู ุงู„ grammar ุจุชูƒูˆู† ู…ู†
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ุงู„ non-terminal ูˆ ุงู„ non-terminal ุจุชูƒูˆู† ู…ู† ุงู„
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productions ุงู„ู„ูŠ ู…ูˆุฌูˆุฏุฉ ุนู†ุฏูŠ ูˆ ู…ุฌู…ูˆุนุฉ ุงู„
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productions ูƒูŠู ุจุชุทู„ุน ุงู„ grammar ูˆ ูƒู„ ุงู„ุชูุงุตูŠู„
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ุงู„ู„ูŠ ุงุญู†ุง ุฃุฎุฏู†ุงู‡ุง ู‚ุจู„ ู‡ูŠูƒ ูˆ ูŠู…ูƒู† ุฒูŠ ู…ุง ุชุดุงูŠููŠู† ู‡ู†ุง
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ู‡ุฐุง ุงู„ู…ุซุงู„ ุงู„ู„ูŠ ุฃุฒู‡ู‚ู†ุง ุจู‡ ุงุญู†ุง ุฃู†ู‘ู‡ ุฏุงุฆู…ุง ุจู†ุงุฎุฏู‡ ุงู„ู„ูŠ
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ู‡ูˆ ุงู„ expression expression ุฒูŠ ุงู„ term ุฃูˆ term ุฃูˆ
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expression ูˆุงู„term ุนุจุงุฑุฉ ุนู† term ููŠ factor ุฃูˆ
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factor ูˆุงู„ factor ู‡ูˆ ุนุจุงุฑุฉ ุนู† expression ุฃูˆ ID
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ูˆู‡ุฐุง ุทุจุนุง ุงุญู†ุง ูƒุซูŠุฑ ุฃุฎุฏู†ุงู‡ ุงู„ู…ุซุงู„ ู‚ุจู„ ู‡ูŠูƒ ุฃู†ุง ู‡ู…ุดูŠ
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ุนู†ู‡ ุจุณุฑุนุฉ ู„ุฃู†ู‘ ุงุญู†ุง already ุงุชุนุฑูู†ุง ุฃู† ุงู„ grammar
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ุนุจุงุฑุฉ ุนู† ู…ุฌู…ูˆุนุฉ ู…ู† ุงู„ productions ูˆุฃู† ูƒู„
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production ุจุชูƒูˆู† ู…ู† non-terminal ุจุนุฏู‡ุง ุณู‡ู… ุจุนุฏู‡ุง
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ู…ุฌู…ูˆุนุฉ ู…ู† ุงู„ terminals ูˆ ุงู„ non-terminals ูู‡ุฐุง ูƒู„ู‡
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ุฅู† ุดุงุก ุงู„ู„ู‡ ู‡ู†ู…ุดูŠ ุนู†ู‡ ู„ุฃู†ู‡ ุฃุฎุฏู†ุงู‡ ููŠ ุงู„ุณุงุจู‚ ุทุจุนุง
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ุจุงู„ู†ุณุจุฉ ู„ู…ูˆุถูˆุน ุงู„ุฃุฎุทุงุก ุฃูŠุถู‹ุง ุชูƒู„ู…ู†ุง ููŠู‡ุง ู‚ุจู„ ู‡ูŠูƒ
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ุฃูŠู† ูŠุชู… ูƒุดู ุงู„ุฃุฎุทุงุก ูˆู…ุง ู‡ูŠ ุงู„ุฃุฎุทุงุก ุงู„ุชูŠ ูŠุชู… ูƒุดูู‡ุง
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ูŠู…ูƒู† ู‡ู†ุง ุงุญู†ุง ุญุงุจูŠู† ู†ุฑูƒุฒ ุนู„ู‰ ุงู„ู†ู‚ุงุท ุงู„ุชุงู„ูŠุฉ ููŠ ุฃู†ุง
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ุนู†ุฏูŠ ุฒูŠ ู…ุง ุดุงูŠููŠู† ุงู„ lexical errors ูˆุฃูŠุงู… ุฃุฎุฐู†ุง
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ุงู„ุดุจุชุฑ ุงู„ุณุงุจู‚ ุชูƒู„ู…ู†ุง ููŠู‡ุง ุฃู† ูŠูƒูˆู† ุนู†ุฏูŠ ุฎุทุฃ ููŠ
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ุญุฑูุŒ ููŠ ุนู†ุฏูŠ ุญุฑู ุฒูŠุงุฏุฉุŒ ุญุฑู ู†ุงู‚ุตุŒ ุญุฑููŠู†ุŒ ุฃู†ุง ู…ุญุชุงุฌ
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ุฃุจุฏู„ู‡ู… ู…ูƒุงู† ุจุนุถ ุฃูˆ ุฃุดูŠู„ ุญุฑู ูˆ ุฃุญุท ุญุฑู ูƒุงู†ุช ู‡ุฐู‡
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ุงู„ุฃุฎุทุงุก ุงู„ู„ูŠ ู…ูˆุฌูˆุฏุฉ ุนู† ุทุงู‚ ุงู„ lexical ุทุจุนุง ููŠ
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ุฃุฎุทุงุก ุจูŠูƒุดูู‡ุง ุงู„ syntax analyzer ุฒูŠ ุฅูŠุด ู…ุซู„ุง ุฒูŠ
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ู„ู…ุง ุจู†ุณู‰ ุงู„ูุตู„ุฉ ุงู„ู…ู†ู‚ูˆุทุฉุŒ ุจู†ุณู‰ ุงู„ุณู‡ู…ุŒ ุจู†ุณู‰ ุนููˆุง
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ูุชุญุฉ ุงู„ู‚ูˆุณุŒ ุชุณูƒูŠุฑุฉ ุงู„ู‚ูˆุณุŒ ุฅู„ู‰ ุขุฎุฑู‡ ูŠุนู†ูŠ ุฃูŠ ุฃุฎุทุงุก
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ู…ูˆุฌูˆุฏุฉ ู…ู† ู†ุงุญูŠุฉ ุงู„ syntax ู‡ุฐู‡ ุจู†ุณู…ูŠู‡ุง ุนู„ู‰ ุทูˆู„
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syntactic errors ุจุนุฏ ู‡ูŠูƒ ููŠ ุฃุฎุทุงุก ู…ู† ู†ูˆุน ุงู„
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semantic ุจุฑุถู‡ ุชูƒู„ู…ู†ุง ุนู†ู‡ุง ู‚ุจู„ ู‡ูŠูƒ ูŠุนู†ูŠ ู…ุซู„ุง ู„ู…ุง
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ุฃู†ุง ุฃู‚ูˆู„ x ุฒุงุฆุฏ y ูˆูŠูƒูˆู† ุงู„ x ู…ุซู„ุง ุงุณู… array ูˆ ุงู„ y
61
00:04:00,930 --> 00:04:04,530
ู…ุซู„ุง integer ุฃูˆ ุงู„ x float ูˆ ุงู„ y ู…ุซู„ุง integer
62
00:04:04,530 --> 00:04:07,890
ูู„ุงุฒู… ูŠูƒูˆู† ููŠ ุญุฏ ูŠุชุฃูƒุฏ ู…ู† ุงู„ types ูˆ ูŠุชุฃูƒุฏ ุฃู†ู‡ุง
63
00:04:07,890 --> 00:04:11,590
ู…ุธุจูˆุทุฉ ูˆ ู… compatible ู…ุน ุจุนุถ ุนุดุงู† ุชู…ุดูŠ ุงู„ุฃู…ูˆุฑ ุจุฏูˆู†
64
00:04:11,590 --> 00:04:14,550
ุฃุฎุทุงุก ุบูŠุฑ ู‡ูŠูƒ ุจูŠุฌูŠ ุงู„ semantic ุจูŠุนู„ู‚ ูˆ ุจูŠู‚ูˆู„ ููŠ
65
00:04:14,550 --> 00:04:19,030
ุนู†ุฏูŠ ุฃุฎุทุงุก ู…ุซุงู„ ุซุงู†ูŠ ุญูƒูŠู†ุงู‡ ููŠ semantic errors ู„ู…ุง
66
00:04:19,030 --> 00:04:23,250
ุจูƒุชุจ ุจูŠู† ุงู„ array ูˆ ุจูŠู† ุฌุซุชูŠู† number ู‡ูŠ ูƒ syntax
67
00:04:23,250 --> 00:04:27,610
ู…ุธุจูˆุทุฉ ู„ูƒู† ุฅุฐุง ู‡ุฐุง ุงู„ number ู‚ูŠู…ุชู‡ float ุจูŠุตูŠุฑ ููŠ
68
00:04:27,610 --> 00:04:30,770
ุนู†ุฏูŠ ู…ุดูƒู„ุฉ ูุนุดุงู† ู‡ูŠ ูƒุจูŠุฑ ูŠุฌูŠ ุงู„ syntax ุจุชุญู‚ู‚ ุฃูˆ ุงู„
69
00:04:30,770 --> 00:04:34,610
semantic ุนููˆุง ุจุชุญู‚ู‚ ู…ู† ุงู„ semantic errors ูˆ ุขุฎุฑ
70
00:04:34,610 --> 00:04:37,470
ู†ูˆุน ู…ู† ุงู„ุฃุฎุทุงุก ุงู„ู„ูŠ ู…ูˆุฌูˆุฏุฉ ุนู†ุฏูŠ ุงู„ู„ูŠ ู‡ูŠ ุงู„ logical
71
00:04:37,470 --> 00:04:46,520
errors ุฒูŠ ุฅูŠุด ู…ุซู„ุง ูŠุนู†ูŠ ูˆุงุญุฏ ูƒุงุชุจ if x ุชุณุงูˆูŠ y ุทุจุนุง
72
00:04:46,520 --> 00:04:52,040
ู‡ูˆ ุจูŠู‚ุตุฏ ู‡ู†ุง ูŠุนู…ู„ ู…ู‚ุงุฑู†ุฉ ุจูŠู† x ูˆ y ู„ูƒู† ู‡ูˆ ู†ุณูŠ ูŠูƒุชุจ
73
00:04:52,040 --> 00:04:56,760
ุงู„ double equals ูุฑุงุญ ูƒุชุจ x ุชุณุงูˆูŠ y ูุนู„ูŠุง ู‡ูŠ ูƒ
74
00:04:56,760 --> 00:05:00,620
syntax ู…ุธุจูˆุทุฉ ูุนู„ูŠุง ุฃูŠุด ุงู„ู„ูŠ ู‡ูŠุตูŠุฑุŸ ููŠ ุงู„ู€ language
75
00:05:00,620 --> 00:05:05,780
ู‡ุชู†ุญุท ู‚ูŠู…ุฉ ุงู„ู€ Y ููŠ X ุฃูˆ ุฅุฐุง ูƒุงู†ุช ู‡ุฐู‡ ุงู„ู‚ูŠู…ุฉ ู…ุด
76
00:05:05,780 --> 00:05:09,860
ุตูุฑ ู‡ูŠุนุชุจุฑู‡ุง true ูˆูŠู†ูุฐ ู„ูƒู† ุฅุฐุง ูƒุงู†ุช ุตูุฑ ู‡ูŠุนุชุจุฑู‡ุง
77
00:05:09,860 --> 00:05:14,200
false ูˆูŠู†ูุฐ ูู‡ูŠูƒ ู„ู…ุง ุชุญุท X ุชุณุงูˆูŠ Y ู„ูƒู† ู„ู…ุง ู†ุญุท X
78
00:05:14,200 --> 00:05:19,940
ุชุณุงูˆูŠ ุชุณุงูˆูŠ Y ู‡ูŠู‚ุงุฑู† ู‚ูŠู…ุฉ X ุจู‚ูŠู…ุฉ Y ูุฅุฐุง ูƒุงู†ูˆุง
79
00:05:19,940 --> 00:05:23,720
ู…ุชุณุงูˆูŠูŠู† ุจูŠุฑูˆุญ ุนู„ู‰ ุทูˆู„ ุจููˆุช ุฌูˆุง ุงู„ if ู…ุด ู…ุชุณุงูˆูŠูŠู†
80
00:05:23,720 --> 00:05:28,880
ุจููˆุชุด ูˆุจุงู„ุชุงู„ูŠ ู„ูˆ ุฃู†ุง ูƒู…ุจุฑู…ุฌ ู†ุณูŠุช ุงู„ู…ุณุงูˆุงุฉ ู„ู„ุฃุณู
81
00:05:28,880 --> 00:05:32,060
ุงู„ุจุฑู†ุงู…ุฌ ู‡ูŠู‚ูˆู„ ู„ูŠ ู…ุง ููŠุด ุฃุฎุทุงุก ู…ุง ููŠ ุฃูŠ ุฎุทุฃ ุฃูˆ ู‡ูŠ
82
00:05:32,060 --> 00:05:35,620
ุจุงู„ูุนู„ syntactically ู…ุธุจูˆุทุฉ ุฃูˆ semantically ุณู„ูŠู…ุฉ
83
00:05:35,620 --> 00:05:38,760
ูˆู…ุง ููŠุด ู…ุดุงูƒู„ ููŠ ุงู„ lexical ูˆุจุงู„ุชุงู„ูŠ ู‡ูŠู‚ูˆู„ ู„ูŠ ู‡ูŠ ุตุญ
84
00:05:38,760 --> 00:05:42,200
ู…ุน ุฃู†ู‡ุง ู…ุด ุฃู†ุง ุงู„ู„ูŠ ุจุฏูŠู‡ุง ุฃูˆ ู…ุด ุฃู†ุง ุงู„ู„ูŠ ูƒุงู†
85
00:05:42,200 --> 00:05:46,440
ูŠู‚ุตุฏู‡ุง ุงู„ู…ุจุฑู…ุฌ ุนุดุงู† ู‡ูŠ ู‚ุงุนุฏุฉ ุจู†ุณู…ูŠู‡ุง logical errors
86
00:05:46,440 --> 00:05:56,120
ุชู…ุงู… ุทูŠุจ ุงู„ุขู† ุจุฑุถู‡ ุจุงู„ู†ุณุจุฉ ู„ู…ูˆุถูˆุน ุงู„ุฃุฎุทุงุก ุงุญู†ุง
87
00:05:56,120 --> 00:05:58,600
ุฅูŠุด ู…ุทู„ูˆุจ ู…ู† ุงู„ compiler ู…ุทู„ูˆุจ ู…ู† ุงู„ compiler ุชู„ุช
88
00:05:58,600 --> 00:06:05,470
ู†ู‚ุงุท ุฑุฆูŠุณูŠุฉ ุฃู†ู‘ู‡ ูŠุญุงูˆู„ ูŠุนุฑู ู„ูŠ ุฅูŠุด ู‡ูˆ ุงู„ error ุจูˆุถูˆุญ
89
00:06:05,470 --> 00:06:09,050
ูˆ ุจุฏู‚ุฉ ูˆู…ุด ุจุณูŠูƒ ูˆุฃู†ู‘ู‡ ุจุนุฏ ู…ุง ูŠุนุฑู ุงู„ error ูˆูŠุฏูŠู†ูŠ
90
00:06:09,050 --> 00:06:12,890
ุฑุณุงู„ุฉ ุนู†ู‡ ู…ุด ูŠูˆู‚ู ูˆูŠุทู„ุน ุจุฑุง ู„ุฃ ุงู„ู…ูุฑูˆุถ ุฃู†ู‘ู‡ ูŠู‚ุฏุฑ
91
00:06:12,890 --> 00:06:17,290
ูŠุฑุฌุน ู„ู„ู…ูƒุงู† ุงู„ู„ูŠ ุจุฏุฃ ู…ู†ู‡ ูˆูŠูƒู…ู„ ูˆูŠุญุต ุจู‚ูŠุฉ ุงู„ุฃุฎุทุงุก
92
00:06:17,290 --> 00:06:20,050
ูŠุนู†ูŠ ู„ุงุฒู… ูŠูƒูˆู† ููŠู‡ ู‚ุฏุฑุฉ ุนู„ู‰ ุงู„ recover ุฃู†ู‘ู‡ ูŠุฑุฌุน ู…ู†
93
00:06:20,050 --> 00:06:23,990
ู…ูƒุงู†ู‡ ุจุณุฑุนุฉ ูˆูŠูƒู…ู„ ุทูŠุจ ุฅูŠุด ููŠ ู†ู‚ุทุฉ ุซุงู„ุซุฉ ู…ู‡ู…ุฉ ุฃู†ู‘ู‡
94
00:06:23,990 --> 00:06:31,000
ุถุฑูˆุฑูŠ ุฌุฏุง ุฃู† ุนู…ู„ูŠุฉ ูƒุดู ุงู„ุฃุฎุทุงุก ู‡ุฐู‡ ุจูˆุถูˆุญ ุฃู†ู‡ุง ู…ุง
95
00:06:31,000 --> 00:06:34,640
ุชุณุชุบุฑู‚ุด ูˆู‚ุช ูƒุจูŠุฑ ุฃู†ู‡ุง ู…ุง ูŠุฑูˆุญุด ูŠุฎู„ ุงู„ system ุงู„
96
00:06:34,640 --> 00:06:38,340
overall ุงู„ system ุชุจุนูŠ ูŠุตูŠุฑ ุจุทูŠุก ุฃูˆ ู…ุด ูุนุงู„ ุนุดุงู†
97
00:06:38,340 --> 00:06:42,040
ู‡ูŠูƒ ุฃู„ุงุญุธ ุฃู†ู‘ู‡ ุฃู†ุง ุจุทู„ุจ ู‡ู†ุง ุญุงุฌุชูŠู† ุนูƒุณ ุจุนุถ ุฃู†ู‘ู‡
98
00:06:42,040 --> 00:06:45,740
ู„ุงุฒู… ูŠูƒุดู ุงู„ุฃุฎุทุงุก ุจูˆุถูˆุญ ูˆุจุฏู‚ุฉ ูˆููŠ ู†ูุณ ุงู„ูˆู‚ุช
99
00:06:45,740 --> 00:06:49,220
ู…ุง ูŠุฏูŠุนุด ูˆู‚ุช ูƒุจูŠุฑ ูˆู‡ุฐุง ุนุจุงุฑุฉ ุนู† challenge ู„ุงุฒู…
100
00:06:49,220 --> 00:06:53,080
ุฏุงุฆู…ุง ู†ุงุฎุฏ ุจุงู„ู†ุง ู…ู†ู‡ุง ููŠ ุนู…ู„ูŠุฉ ุฃู† ูƒูŠู ุงู„ compiler
101
00:06:53,080 --> 00:06:56,660
ุจูŠุดุชุบู„ ูˆ ุจูŠูƒุดู ุงู„ุฃุฎุทุงุก ูˆ ุจูŠู‚ุฏุฑ ูŠูƒู…ู„ ุจุฏูˆู† ุฃูŠ ู…ุดุงูƒู„
102
00:06:56,660 --> 00:07:03,440
ุทุจุนุง ุฒูŠ ุจุฑุถู‡ ู…ุง ุญูƒูŠู†ุง ู‚ุจู„ ุดูˆูŠุฉ ูƒูŠู ุงู„ู€ compiler
103
00:07:03,440 --> 00:07:08,920
ูŠู‚ุฏุฑ ูŠุฑุฌุน ู…ู† ุงู„ุฎุทุฃ ูˆ ูŠูƒู…ู„ ุทุจุนุง ููŠู‡ ุงุณุชุฑุงุชูŠุฌูŠุงุช
104
00:07:08,920 --> 00:07:11,120
error recovery strategies ูŠุนู†ูŠ ููŠู‡ ุฃูƒุซุฑ ู…ู†
105
00:07:11,120 --> 00:07:16,340
ุงุณุชุฑุงุชูŠุฌูŠุฉ ุฃู† ูƒูŠู ุจู†ุฎู„ูŠ ุงู„ compiler ูŠู‚ุฏุฑ ูŠูƒุดู ุฃูŠ
106
00:07:16,340 --> 00:07:21,600
ุฎุทุฃ ู…ุนูŠู† ุนู†ุฏู‡ ุงู„ู‚ุฏุฑุฉ ูŠูƒู…ู„ ููŠ ุงู„ code ูˆ ูŠูƒุดู ุจู‚ูŠุฉ
107
00:07:21,600 --> 00:07:26,440
ุงู„ุฃุฎุทุงุก ููŠ ุนู†ุฏู†ุง ุชู‚ุฑูŠุจุง ุฃุฑุจุน ุงุณุชุฑุงุชูŠุฌูŠุงุช
108
00:07:27,150 --> 00:07:31,690
ุงู„ุงุณุชุฑุงุชูŠุฌูŠุฉ ุงู„ุฃูˆู„ู‰ ุงู„ู„ูŠ ู‡ูŠ panic mood recovery
109
00:07:31,690 --> 00:07:37,270
ูˆู‡ู†ุง ุฅูŠุด ุจูŠุตูŠุฑ ุฃูˆู„ ู…ุง ุจูŠู„ุงู‚ูŠ ุฃูˆู„ ุฎุทุฃ ุจูŠุตูŠุฑ ูŠุฑู…ูŠ ูƒู„
110
00:07:37,270 --> 00:07:42,030
ุงู„ characters ุจุงู„ุชุฑุชูŠุจ ู„ุบุงูŠุฉ ู…ุง ูŠู„ุงู‚ูŠ ู†ู‚ุทุฉ ุฃูˆ
111
00:07:42,030 --> 00:07:45,570
character ุจูŠู‚ุฏุฑ ูŠุจุฏุฃ ู…ู† ุนู†ุฏู‡ ูŠุนู†ูŠ ุนู„ู‰ ุณุจูŠู„ ุงู„ู…ุซุงู„
112
00:07:45,570 --> 00:07:50,070
ุชู†ุชู‡ูŠ ุงู„ sentence ู…ุซู„ุง ุจูุงุตู„ุฉ ู…ู†ู‚ูˆุทุฉ ุงู„ุขู† ู‚ุจู„
113
00:07:50,070 --> 00:07:54,120
ุงู„ูุงุตู„ุฉ ุงู„ู…ู†ู‚ูˆุทุฉ ุจูุชุฑุฉ ู„ุงุฌู‰ ู…ุซู„ุง error ุฅูŠุด ุจูŠุณูˆูŠุŸ
114
00:07:54,120 --> 00:07:58,220
ุฎู„ุงุต ุจูŠุตูŠุฑ ูŠุฑู…ูŠ .. ุจูŠุฑู…ูŠ ูƒู„ ุงู„ characters ุจุงู„ุชุฑุชูŠุจ
115
00:07:58,220 --> 00:08:01,740
ู…ุงู„ู‡ุงุด ูุญุต ู„ุบุงูŠุฉ ู…ุง ูŠูˆุตู„ ู„ู†ู‚ุทุฉ ุจุฏุงูŠุฉ ุฌุฏูŠุฏุฉ ู…ุซู„
116
00:08:01,740 --> 00:08:05,000
ูุงุตู„ุฉ ู…ู†ู‚ูˆุทุฉ ูˆ ุจูŠุฑุฌุน ู…ู† ุจุนุฏ ุงู„ูุงุตู„ุฉ ุงู„ู…ู†ู‚ูˆุทุฉ ูŠุนูŠุฏ
117
00:08:05,000 --> 00:08:08,860
ูˆ ูŠูุญุต ู…ู† ุฌุฏูŠุฏ ูˆ ุฎู„ุงุต ุจูŠูƒูˆู† ุณุฌู„ ุฑุณุงู„ุฉ error ุนู„ู‰
118
00:08:08,860 --> 00:08:11,520
ุงู„ุฎุทุฃ ุงู„ู„ูŠ ู‚ุจู„ ุดูˆูŠุฉ ูˆ ู‡ูŠูƒ ุจูŠู‚ุฏุฑ ูŠูƒู…ู„ ุจุฏูˆู† ู…ุดุงูƒู„
119
00:08:11,520 --> 00:08:15,100
ู„ุฃู†ู‘ ุนุดุงู† ูŠู‚ุฏุฑ ูŠูƒู…ู„ ู„ุงุฒู… ูŠู…ุณูƒ ู†ู‚ุทุฉ ุจุฏุงูŠุฉ ุฌุฏูŠุฏุฉ ุนุดุงู†
120
00:08:15,100 --> 00:08:18,300
ูŠุนูŠุฏ ุงู„ูุญุต ุชุจุนู‡ ูˆ ูŠุดูˆู ููŠู‡ ุฎุทุฃ ูˆู„ุง ููŠุด ุฎุทุฃ ูู‡ุฐู‡
121
00:08:18,300 --> 00:08:22,060
ุจู†ุณู…ูŠู‡ุง ุงู„ุทุฑูŠู‚ุฉ panic mood recovery ุทุจุนุง ููŠ ุทุฑูŠู‚ุฉ
122
00:08:22,060 --> 00:08:27,440
ุซุงู†ูŠุฉ ุงู„ู„ูŠ ู‡ูŠ ุงู„ phrase level recovery ู‡ู†ุง ู„ู…ุง
123
00:08:27,440 --> 00:08:31,340
ุจูŠู„ุงู‚ูŠ ุฎุทุฃ ุจูŠุณูŠุฑุด ูŠุฑู…ูŠ ุงู„ characters ูˆ ูŠุฏูˆุฑ ุนู„ู‰
124
00:08:31,340 --> 00:08:35,500
ู†ู‚ุทุฉ ุจุฏุงูŠุฉ ุฌุฏูŠุฏุฉุŒ ู„ุฃ ุจูŠุญุงูˆู„ ุนู„ู‰ ุงู„ู…ุทุฑุญ ูŠุนุฑู ุดูˆ ู‡ุฐุง
125
00:08:35,500 --> 00:08:39,860
ุงู„ุฎุทุฃ ุงู„ู„ูŠ ู…ูˆุฌูˆุฏ ุนู†ุฏูŠุŒ ุฅูŠุด ุงู„ููƒุฑุฉุŒ ู‡ู„ ุงู„ู†ุงุณ ูŠุฌูˆุฒุŒ
126
00:08:39,860 --> 00:08:43,180
ู‡ู„ ู‡ูˆ ู„ุฃ ุถุงูŠู ุฌูˆุฒุŒ ูุจุญุงูˆู„ ูŠุนู…ู„ correctionุŒ ุจูŠุญุงูˆู„
127
00:08:43,180 --> 00:08:47,240
ูŠุนู…ู„ ุชุตุญูŠุญ ูˆ ูŠุนุฑู ู†ูˆุน ุงู„ุฎุทุฃุŒ ู„ูŠุดุŸ ุนุดุงู† ู…ุง ูŠุฑู…ูŠุด ุฅุดูŠ
128
00:08:47,240 --> 00:08:50,490
ูˆ ูƒู„ ุงู„ characters ุงู„ุจุฌูŠุงู† ูŠุชูุญุตูˆุง ูŠุนู†ูŠ ูƒุงู†ุช ููŠ
129
00:08:50,490 --> 00:08:53,690
ุงู„ุทุฑูŠู‚ุฉ ุงู„ุฃูˆู„ู‰ ุจุฑู…ูŠ ูƒู„ ุงู„ characters ู„ุบุงูŠุฉ ู…ุง ูŠูˆุตู„
130
00:08:53,690 --> 00:08:56,290
ู„ู†ู‚ุทุฉ ุจุฏุงูŠุฉ ุฌุฏูŠุฏุฉ ู„ูƒู† ููŠ ุงู„ุงุณุชุฑุงุชูŠุฌูŠุฉ ุงู„ุซุงู†ูŠุฉ
131
00:08:56,290 --> 00:08:59,790
ุจูŠุฑู…ูŠ ุดูŠุก ุจูŠุญุงูˆู„ ุนู„ู‰ ุทูˆู„ ู…ุง ุจูŠู„ุงู‚ูŠ ุงู„ุบู„ุท
132
00:08:59,790 --> 00:09:03,110
ุจูŠุญุงูˆู„ ูŠูƒุชุดู ุดูˆ ู‡ูˆ ุงู„ุบู„ุท ุจูŠุญุงูˆู„ ูŠูู‡ู… ุฃู‡ ูƒุงู† ู†ุงู‚ุต
133
00:09:03,110 --> 00:09:06,390
ุฌูˆุฒ ู„ุฃ ุฒูŠุช ุฌูˆุฒ ูุจูŠุญุงูˆู„ ูŠุตู„ุญ ุงู„ุฎุทุฃ ููŠ ุงู„ู…ูƒุงู†
134
00:09:06,390 --> 00:09:10,050
ุชุจุนู‡ ูˆ ูŠุนุฑูู‘ู‡ ุนุดุงู† ูŠูƒูˆู† ุนู†ุฏู‡ ุงู„ู‚ุฏุฑุฉ ูŠูƒู…ู„ ู…ู† ู†ูุณ
135
00:09:10,050 --> 00:09:12,930
ุงู„ู…ูƒุงู† ูˆู…ุง ูŠุฑู…ูŠุด ุฃูŠ ุญุงุฌุฉ ุทุจุนุง ู‡ุฐู‡ ุจุชุงุฎุฏ process
136
00:09:12,930 --> 00:09:16,190
ุฃูƒุซุฑ ุงู„ู„ูŠ ุจู†ุณู…ูŠู‡ุง ู‡ุฐู‡ ุงู„ุทุฑูŠู‚ุฉ phrase level
137
00:09:16,190 --> 00:09:21,680
recovery ุงู„ุงุณุชุฑุงุชูŠุฌูŠุฉ ุงู„ุซุงู„ุซุฉ ุจู†ุณู…ูŠู‡ุง error
138
00:09:21,680 --> 00:09:26,340
productions ุงู„ error productions ู†ูุณ ููƒุฑุฉ ุงู„
139
00:09:26,340 --> 00:09:28,240
grammar ุงุญู†ุง ู„ูŠุด ูƒู†ุง ุจู†ุญุท ุงู„ grammarุŸ ุงุญู†ุง ูƒู†ุง
140
00:09:28,240 --> 00:09:31,700
ุจู†ุญุท ุงู„ grammar ู„ูŠุดุŸ ุนู„ุดุงู† ู†ู‚ุฏุฑ ู†ูˆุตู ุงู„ syntax ุชุจุน
141
00:09:31,700 --> 00:09:34,940
ุงู„ language ูˆุจุงู„ุชุงู„ูŠ ุงู„ sentence ู„ูˆ ู†ุนู…ู„ู‡ุง parsing
142
00:09:34,940 --> 00:09:37,200
ุจุชุตูŠุฑ ููŠ ุงู„ syntax ุชุจุน ุงู„ language ูˆู‡ู†ุง ู†ูุณ ุงู„
143
00:09:37,200 --> 00:09:41,640
idea ูˆู†ูุณ ุงู„ููƒุฑุฉ ู‡ู†ุณุชุฎุฏู…ู‡ุง ู„ูƒู† ู„ูˆุตู ุงู„ุฃุฎุทุงุก ุงู„ุดุงุฆุนุฉ
144
00:09:41,730 --> 00:09:45,910
ูŠุนู†ูŠ ููŠ ุงู„ุฃูˆู„ ุทุจุนุง ุจู†ุนู…ู„ ูƒุชูŠุฑ ุชุฌุงุฑุจ ูƒุชูŠุฑ ุฃูƒูˆุงุฏ
145
00:09:45,910 --> 00:09:49,750
ุจุชู†ูƒุชุจ ุจูŠุญุงูˆู„ูˆุง ูŠุนุฑููˆุง ุงู„ุฃุฎุทุงุก ุงู„ุดุงุฆุนุฉ ูˆุจุนุฏ ู‡ูŠูƒ
146
00:09:49,750 --> 00:09:53,370
ุจูŠุตูŠุฑูˆุง ูŠุนู…ู„ูˆุง grammar ูŠูˆุตู ู‡ุฐู‡ ุงู„ุฃุฎุทุงุก ุงู„ุดุงุฆุนุฉ
147
00:09:53,370 --> 00:09:56,470
ู‡ุฐุง ุงู„ grammar ุจู†ุณู…ูŠู‡ error reductions ูˆุจุงู„ุชุงู„ูŠ
148
00:09:56,470 --> 00:10:00,330
ู„ู…ุง ุจูŠุตูŠุฑ ุฃู†ุชูŠ ุฎุทุฃ ู…ุนูŠู† ุจู†ุดูˆู ู‡ุฐุง ุงู„ grammar ุงู„ู„ูŠ ู‡ูˆ
149
00:10:00,330 --> 00:10:03,630
error productions ุจูŠุทู„ุน ุงู„ tree ูˆู„ุง ุจูŠุทู„ุนุด ุงู„ tree
150
00:10:03,630 --> 00:10:06,850
ูˆุงู„ู„ู‡ ุฅู† ุทู„ุน ุงู„ tree ุฎู„ุงุต ุจุนุฑู ู†ูˆุน ุงู„ุฎุทุฃ ุจู‚ูˆู„ู‡
151
00:10:06,850 --> 00:10:09,910
ุฃู†ุช ุงู„ู†ูˆุน ุงู„ูู„ุงู†ูŠ ูˆุจุตูŠุฑ ุนู…ู„ูŠุฉ ุงู„ุชุตุญูŠุญ ูŠุนู†ูŠ ุงู„ููƒุฑุฉ
152
00:10:09,910 --> 00:10:13,790
ุชู…ุงู…ู‹ุง ุฒูŠ ู…ุง ุจู†ูˆุตู ุงู„ syntax ุตุฑู†ุง ู†ูˆุตู ุงู„ุฃุฎุทุงุก
153
00:10:13,790 --> 00:10:17,270
ุงู„ุดุงุฆุนุฉ ูˆุงู„ุฌู…ู„ุฉ ุงู„ู„ูŠ ููŠู‡ุง ุฎุทุฃ ุจุดูˆู ู…ูŠู† ุงู„ู„ูŠ
154
00:10:17,270 --> 00:10:20,560
ู‡ุชุนู…ู„ู‡ุง parsing ููŠ ุงู„ grammar ุงู„ู„ูŠ ุจูŠูˆุตู ุงู„ุฃุฎุทุงุก
155
00:10:20,560 --> 00:10:26,920
ูˆุงู„ู„ู‡ ูˆุงู„ู„ู‡ ู…ุซู„ู‹ุง ุงู„ grammar ุงู„ุฎุงู…ุณ ู…ุซู„ู‹ุง ูˆุตู ู„ูŠ ..
156
00:10:26,920 --> 00:10:29,960
ุนู…ู„ ู„ูŠ tree ู„ู‡ุฐู‡ ุงู„ sentence ุฅุฐุง ุฃู†ุง ุนู„ู‰ ุทูˆู„ ุจุนุฑู
157
00:10:29,960 --> 00:10:33,480
ุฃู† ุงู„ุฎุทุฃ ู‡ุฐุง ู†ูˆุน ุงู„ุฎุงู…ุณ ูˆู‡ูƒุฐุง ูŠุนู†ูŠ ุงู„ููƒุฑุฉ ู…ุด ุตุนุจุฉ
158
00:10:33,480 --> 00:10:37,580
ู…ุฌุฑุฏ ูˆุตู ู„ู„ุฃุฎุทุงุก ูˆุจุดูˆู ุงู„ sentence ุจุนู…ู„ู‡ุง parsing
159
00:10:37,580 --> 00:10:39,920
tree ุทู„ุน parsing tree ู…ุนู†ุงู‡ ููŠ ุฎุทุฃ ุทุจ ู…ุง ุทู„ุนุด
160
00:10:39,920 --> 00:10:42,880
parsing tree ู…ุนู†ุงู‡ ู‡ุฐู‡ ู…ุด ู…ู† ุงู„ุฃุฎุทุงุก ุงู„ู„ูŠ ู…ูˆุฌูˆุฏุฉ
161
00:10:42,880 --> 00:10:45,700
ุนู†ุฏูŠ ู…ุนู†ุงู‡ุง ุจุนุชุจุฑู‡ุงุด ุฎุทุฃ ู…ุซู„ู‹ุง ู…ู† ุงู„ุฃุฎุทุงุก ุงู„ู„ูŠ ุนู†ุฏูŠ
162
00:10:45,700 --> 00:10:52,240
ุทูŠุจ ุขุฎุฑ ู†ู‚ุทุฉ ู‡ู†ุง ุงู„ู„ูŠ ู‡ูŠ ุงู„ global corrections ุฅูŠุด
163
00:10:52,240 --> 00:10:55,020
ุจู‚ุตุฏ ููŠ ุงู„ global correctionsุŸ ุทุจุนู‹ุง ู„ู…ุง ุจูƒูˆู† ููŠ
164
00:10:55,020 --> 00:11:01,160
ุนู†ุฏูŠ sentence ุบู„ุท ุจุญุงูˆู„ ุฃู†ู‡ ูŠุญูˆู„ู‡ุงุŒ ูŠุนู…ู„ ุนู„ูŠู‡ุง
165
00:11:01,160 --> 00:11:07,080
ุชุญูˆูŠู„ุงุช ุนู„ุดุงู† ุชุตูŠุฑ sentence ุตุญูŠุญุฉ ูู‡ูˆ ุจูŠุฑูˆุญ ุจูŠุฌุฑุจ
166
00:11:07,080 --> 00:11:10,440
ุนู„ู‰ ุงู„ system ุงู„ู„ูŠ ู…ูˆุฌูˆุฏ ุนู†ุฏู‡ุŒ ุจูƒูˆู† ุนุงุฑู ุฅูŠุด ุงู„ุทุฑู‚
167
00:11:10,440 --> 00:11:13,580
ู„ู„ูƒุชุงุจุฉ ุงู„ุณู„ูŠู…ุฉ ูˆุงู„ุตุญูŠุญุฉ ูุงู„ุขู† ุงู„ sentence ุงู„ู„ูŠ
168
00:11:13,580 --> 00:11:18,840
ููŠู‡ุง ุบู„ุท ุจุชุทู„ู‚ุŒ ุจู‚ูˆู„ ุฃู‡ ู„ูˆ ุบูŠุฑู†ุง ู…ุซู„ู‹ุง ุฃุฑุจุนุงุฑุจุน
169
00:11:18,840 --> 00:11:23,500
characters ุจุชุตูŠุฑ ุตุญุŒ ู‡ุฐุง ุญู„ุŒ ุจุนุฏูŠู† ุจูŠุฌุฑุจ ูƒู…ุงู† ู…ุฑุฉ
170
00:11:23,500 --> 00:11:26,400
ู‚ุงู„ ูˆุงู„ู„ู‡ ู„ูˆ ุบูŠุฑู†ุง ุนุดุฑุฉ ุจุชุตูŠุฑ ุจุฑุถู‡ ุตุญุŒ ู‡ุฐุง ุญู„
171
00:11:26,400 --> 00:11:28,960
ุซุงู†ูŠุŒ ุงู‡ ูˆุงู„ู„ู‡ ู„ูˆ ุบูŠุฑู†ุง ุงุซู†ูŠู† characters ุจุชุตูŠุฑ
172
00:11:28,960 --> 00:11:33,800
ุตุญุŒ ูุจูŠู‚ุฏุฑ ูŠุญุฏุฏ ูƒู… ุตุญ ุจูŠู‚ุฏุฑ ูŠุทู„ุน ู…ู† ู‡ุฐู‡ ุงู„
173
00:11:33,800 --> 00:11:37,580
sentenceุŒ ููŠ ุงู„ุขุฎุฑ ู…ูŠู† ุจูŠุนุชู…ุฏุŸ ุตุงุญุจุฉ ุงู„ุชุญูˆูŠู„ ุงู„ุฃู‚ู„
174
00:11:37,580 --> 00:11:40,220
ูŠุนู†ูŠ ู„ูˆ ุฌุงุก ุญุงู„ ุฃู† ุฃู†ุช ุงุซู†ูŠู† characters ุจุชุญุตู„ ุนู„ู‰
175
00:11:40,220 --> 00:11:43,520
ุญุงุฌุฉ ุตุญ ุฎู„ุงุต ุจูŠู‚ูˆู„ ู„ูƒ ุจูุชุฑุถ ุฃู† ู‡ูŠ ู‡ุฐู‡ ุงู„ู„ูŠ ูƒุงู†
176
00:11:43,520 --> 00:11:45,980
ุงู„ู…ูุฑูˆุถ ุชู†ูƒุชุจ ูˆูŠู‚ูˆู„ ู„ูƒ ููŠ ุฎุทุฃ ููŠ ุงู„ู…ูƒุงู† ุงู„ูู„ุงู† ูˆุงู„ู…ูƒุงู†
177
00:11:45,980 --> 00:11:49,520
ุงู„ูู„ุงู† ู„ูƒู† ุทุจุนู‹ุง ุฅูŠุด ุนูŠุจ ุงู„ู…ุดูƒู„ุฉ ู‡ุฐู‡ ุฅู†ู‡ ู…ุด
178
00:11:49,520 --> 00:11:54,140
ุจุงู„ุถุฑูˆุฑุฉ ุชุนุทูŠูƒ ุงู„ุดูŠุก ุงู„ู„ูŠ ูƒุงู† ููŠ ุจุงู„ ุงู„ู…ุจุฑู…ุฌ ูŠุนู†ูŠ
179
00:11:54,140 --> 00:11:56,580
ูŠู…ูƒู† ุงู„ู„ูŠ ูƒุงู† ููŠ ุจุงู„ ุงู„ู…ุจุฑู…ุฌ ุฃู†ู‡ ู„ูˆ ุนู…ู„ุช ุงู„ุฃุฑุจุน
180
00:11:56,580 --> 00:11:59,980
ุฃุฎุทุงุก ุจุชูˆุตู„ ู„ู†ุชูŠุฌุฉ ุงู„ู…ุจุฑู…ุฌ ู‡ูˆ ู…ุด ู‡ูŠุนู…ู„ ุฒูŠู‘ู‡ ู‡ูˆ ู„ูˆ
181
00:11:59,980 --> 00:12:03,860
ู„ุฌุฃ ุฃู†ู‡ุง ุฎุทุฃูŠู† ุจูŠุทู„ุนู‡ุง ุตุญ ููŠ ุงู„ุชุญูˆูŠู„ ุฎู„ุงุต ุจูŠู‚ูˆู„ ู„ูƒ
182
00:12:03,860 --> 00:12:07,120
ุนู„ู‰ ุทูˆู„ ู‡ุฐู‡ ุจู‚ุตุฏ ููŠู‡ุง ุงู„ุซุงู†ูŠุฉ ูˆู‡ู†ุง ุงู„ู…ุดูƒู„ุฉ ูŠุนู†ูŠ
183
00:12:07,120 --> 00:12:13,040
ุจุงุฎุชุตุงุฑ ู„ูˆ ุฃู†ุง ุนู†ุฏูŠ sentence X ุชู…ุงู… ู…ูƒุชูˆุจุฉ ู‡ุฐู‡ ุงู„
184
00:12:13,040 --> 00:12:18,850
X ุบู„ุท ุงู„ู€ X ู‡ุฐู‡ ุจุชุชุญูˆู„ ู„ูˆุงุญุฏุฉ ู…ู† ุงู„ุตุญ ุชุนุชุจุฑ ู‡ุฏูˆู„
185
00:12:18,850 --> 00:12:24,010
ุตุญ ุงู„ู€ Y ุตุญ ูˆุงู„ู€ W ุตุญ ูˆุงู„ู€ Z ุตุญ ุชู…ุงู…ุŸ ุงู„ู€ X ุนุดุงู† ุชุตูŠุฑ
186
00:12:24,010 --> 00:12:29,050
Y ุงู„ู…ุทู„ูˆุจ ุฃุบูŠุฑ ุญุฑููŠู† ู…ุซู„ู‹ุง ุงู„ู€ X ุนุดุงู† ุชุตูŠุฑ W
187
00:12:29,050 --> 00:12:34,030
ู…ูุฑูˆุถ ุฃุบูŠุฑ ุนุดุฑุฉ characters ู…ุซู„ู‹ุง ุงู„ู€ X ุนุดุงู† ุชุตูŠุฑ Z
188
00:12:34,030 --> 00:12:36,430
ูŠุนู†ูŠ ุงู„ู€ Z ุงู„ู„ูŠ ู‡ูŠ ุงู„ุตุญูŠุญุฉ ู…ูุฑูˆุถ ุฃุบูŠุฑ ุฎู…ุณุฉ
189
00:12:36,430 --> 00:12:40,470
characters ู…ุซู„ู‹ุง ุฅุฐุง ู…ูŠู† ู‡ูŠุนุชู…ุฏุŸ ู‡ูŠุนุชู…ุฏ ุงู„ู„ูŠ ููŠู‡ุง
190
00:12:40,470 --> 00:12:43,890
ุฃู‚ู„ ุนุฏุฏ ู…ู† ุงู„ุชุบูŠูŠุฑุงุช ูู‡ูˆ ู‡ูŠูุชุฑุถ ุฃู† ุงู„ู…ุจุฑู…ุฌ ูƒุงู† ููŠ
191
00:12:43,890 --> 00:12:47,650
ุจุงู„ู‡ ูŠูƒุชุจ ุงู„ู€ Y ูˆูŠุตูŠุฑ ูŠู‚ูˆู„ ู„ูƒ ุฎู„ุงุต ู‡ุฐู‡ ุงู„ุฌู…ู„ุฉ
192
00:12:47,650 --> 00:12:51,010
ุงู„ุตุญูŠุญุฉ ูˆูŠุฐูƒุฑ ุงู„ุฃุฎุทุงุก ุงู„ู„ูŠ ู…ูˆุฌูˆุฏุฉ ู‡ู†ุง ุงู„ู„ูŠ ุจุชุทู„ุน
193
00:12:51,010 --> 00:12:54,670
ู„ูŠ ู„ู‡ุฐู‡ ู„ูƒู† ุฒูŠ ู…ุง ู‚ู„ู†ุง ุงู„ู…ุดูƒู„ุฉ ุฃู† ุงู„ู…ุจุฑู…ุฌ ูƒุงู† ู‚ุตุฏู‡
194
00:12:54,670 --> 00:12:58,740
ููŠ Z ูˆุบู„ุท ูƒุซูŠุฑ ูู‡ูˆ ุงู„ computer ุจูŠูู‡ู…ุด ุจุฏูˆุฑ ุนู„ู‰
195
00:12:58,740 --> 00:13:02,940
ุงู„ุฃู‚ู„ ุนุฏุฏ ู…ู† ุงู„ุฃุฎุทุงุก ูˆุจูŠุฑูˆุญ ุจูŠู‚ูˆู„ ู„ู‡ ู‡ุฐู‡ ุงู„ุญู„ ุณูˆุงุก
196
00:13:02,940 --> 00:13:06,200
ุตุญ ูˆู„ุง ุบู„ุท ูุทุจุนู‹ุง ู‡ุฐู‡ ุงู„ู…ุดูƒู„ุฉ ููŠ ุงู„ุทุฑูŠู‚ุฉ ู‡ุฐู‡ ุจุชุฃุฎุฐ
197
00:13:06,200 --> 00:13:10,460
ูˆู‚ุช ูƒุจูŠุฑ ูˆู„ู„ุฃุณู ููŠ ุงู„ู†ู‡ุงูŠุฉ ู…ุง ุจุชุนุทูŠู†ูŠุด ู†ุชุงุฆุฌ ุฏู‚ูŠู‚ุฉ
198
00:13:10,460 --> 00:13:13,360
ุนุดุงู† ู‡ูŠ ูƒุจุชู„ุงู‚ูŠ ููŠ ุงู„ุบุงู„ุจ ุจุงุนุชู…ุฏูˆุง ุนู„ู‰ ุฃูˆู„ ุงุซู†ูŠู†
199
00:13:13,360 --> 00:13:16,160
strategies ุงู„ู„ูŠ ู‡ู… ุงู„ panic mode ูˆ ุงู„ phrase level
200
00:13:16,160 --> 00:13:24,770
recovery ุทูŠุจ ุงู„ุขู† ุจุงู„ู†ุณุจุฉ ู„ section 4.2 4.2 ู…ุง ููŠุด
201
00:13:24,770 --> 00:13:28,950
ููŠู‡ ุฃูŠ ุดูŠุก ู…ุด ู‡ุดุฑุญ ููŠู‡ ุญุงุฌุฉ ู„ูŠุดุŸ ู„ุฃู†ู‡ ุจูŠุชูƒู„ู… ุนู† ุงู„
202
00:13:28,950 --> 00:13:32,410
grammar ุงู„ context free grammar ุจูุชุฑุถ ุฅู†ูƒ ู…ุด ุนุงุฑู
203
00:13:32,410 --> 00:13:35,050
ุฃูŠ ุญุงุฌุฉ ุนู„ู‰ ุงู„ grammar ูุจูŠุตูŠุฑ ูŠุดุฑุญ ุดูˆ ู‡ูˆ ุงู„ grammar
204
00:13:35,050 --> 00:13:38,750
ุฅูŠุด ู…ูƒูˆู†ุงุช ุงู„ grammar ุฅูŠุด ุงู„ production ุฅูŠุด ุงู„
205
00:13:38,750 --> 00:13:41,390
terminal ุฅูŠุด ุงู„ non terminal ูˆู‡ุฐุง ูƒู„ู‡ ุฅุญู†ุง ุฃุฎุฐู†ุงู‡
206
00:13:41,390 --> 00:13:45,630
ููŠ ุงู„ุดุจุงุชุฑ ุงู„ู‚ุฏูŠู…ุฉ ูุฃู†ุง ู‡ู…ุดูŠ ุนู†ู‡ ุจุณ ูˆุฃุฑูƒุฒ ูู‚ุท ุนู„ู‰
207
00:13:45,630 --> 00:13:49,030
ุงู„ุฌุฏูŠุฏ ูู‡ุฐุง ู‡ู…ุดูŠ ุนู†ู‡ ุชู…ุงู…ุŸ
208
00:13:51,480 --> 00:13:54,180
ุทุจุนู‹ุง ุฅูŠุด ุจู‚ุตุฏ ู‡ู†ุง ู…ู„ุงุญุธุฉ ุจุงู„ notational
209
00:13:54,180 --> 00:13:59,600
conventions ู‡ู†ุง ุงู„ูƒุชุงุจ ุจูŠุญุงูˆู„ ูŠูƒุชุจ ุจุทุฑูŠู‚ุฉ ุชุณุงุนุฏ
210
00:13:59,600 --> 00:14:04,040
ุงู„ู‚ุงุฑุฆ ูŠูู‡ู… ุงู„ู‚ุตุฉ ุชุงุจุนุฉ ุงู„ grammar ูŠุนู†ูŠ ู…ุซู„ู‹ุง ู„ู…ุง
211
00:14:04,040 --> 00:14:09,500
ุจูƒุชุจ ู„ูƒ ุงู„ูƒุชุงุจ bold ุบุงู…ู‚ ุฃูŠ ุดูŠุก ูู…ุนู†ุงู‡ ุจูŠู‚ุตุฏ ุฃู† ู‡ูˆ
212
00:14:09,500 --> 00:14:13,860
ู‡ุฐุง ุงู„ terminal ู„ู…ุง ู…ุซู„ู‹ุง ุจูƒุชุจ Italic ู…ุงุฆู„ ู…ุนู†ุงู‡
213
00:14:13,860 --> 00:14:16,600
ุจูŠูู‡ู…ูƒ ุฃู† ู‡ุฐุง ุจูŠู‚ุตุฏ ููŠู‡ ููŠ ุงู„ูƒุชุงุจ ุฃู† ู‡ุฐุง non
214
00:14:16,600 --> 00:14:20,980
terminal ุจุนู…ู„ ุดูˆูŠุฉ notations ูˆุดูˆูŠุฉ ุฑู…ูˆุฒ ุนุดุงู† ู†ูู‡ู…
215
00:14:20,980 --> 00:14:24,260
ุฅูŠุด ุงู„ู€ .. ุงู„ู€ .. ุงู„ู…ูƒุชูˆุจ ููŠ ุงู„ูƒุชุงุจ ูŠุนู†ูŠ ู…ุฑุงุช ู…ุซู„ู‹ุง
216
00:14:24,260 --> 00:14:27,120
ุจูŠู‚ูˆู„ ุงู„ start symbol ู‡ูˆ ุนุจุงุฑุฉ ุนู† S ูู„ูˆ ุฃู†ุช ุดูุช
217
00:14:27,120 --> 00:14:29,820
ู…ุซู„ู‹ุง ููŠ ุงู„ grammar S ู…ุนู†ุงู‡ ุจุฏูƒ ุชูู‡ู… ุฃู†ู‡ ุจูŠู‚ุตุฏ ููŠู‡ุง
218
00:14:29,820 --> 00:14:33,260
start symbol ูˆู‡ูƒุฐุง ุทูŠุจ ุฃู†ุง ู‡ู…ุดูŠ ุนู† ุงู„ notations
219
00:14:33,260 --> 00:14:36,960
ู„ุฃู† ู‡ุฐู‡ ุจุณ ู…ุฌุฑุฏ ุดุบู„ุฉ ุฃู†ู‡ ูƒูŠู ู†ู‚ุฑุฃ ูˆู†ูู‡ู… ุงู„ู€ ..
220
00:14:36,960 --> 00:14:39,580
ุงู„ุฑู…ูˆุฒ ุงู„ู„ูŠ ู…ูˆุฌูˆุฏุฉ ููŠ ุงู„ูƒุชุงุจ ุนู„ู‰ ุณุจูŠู„ ุงู„ู…ุซุงู„ ู„ูˆ
221
00:14:39,580 --> 00:14:42,620
ุนู†ุฏูŠ ู…ุซู„ู‹ุง Alpha ุฅูŠุด ูŠุนู†ูŠ ุงู„ alphaุŸ ุงู„ alpha ู‡ุฐู‡
222
00:14:42,620 --> 00:14:45,900
ุนุจุงุฑุฉ ุนู† ุฎู„ูŠุท ู…ู† ุงู„ grammar symbol ูŠุนู†ูŠ ุฎู„ูŠุท ู…ู† ุงู„
223
00:14:45,900 --> 00:14:48,480
terminals ูˆุงู„ู€ non terminals ููˆู‚ุช ู…ุง ุจุฏู‡ ูŠู‚ูˆู„ ุฅู†ู‡
224
00:14:48,480 --> 00:14:50,680
ุฃู†ุง ุนู†ุฏูŠ ุฎู„ูŠุท ู…ู† ุงู„ terminals ูˆุงู„ู€ non terminals
225
00:14:50,680 --> 00:14:53,880
ุจุญุท ุฅุดุงุฑุฉ ู…ุซู„ู‹ุง alpha ูˆู‡ู†ุง ููŠ ุงู„ notation ุจุดุฑุญ ู‡ุฐุง
226
00:14:53,880 --> 00:14:56,880
ุงู„ูƒู„ุงู… ุจูŠู‚ูˆู„ ุงู„ alpha ู…ุนู†ุงู‡ุง ูƒุฐุง ู…ุซู„ู‹ุง ู„ู…ุง ูŠุฌูŠ
227
00:14:56,880 --> 00:15:00,320
ู…ุซู„ู‹ุง ูŠุญุท ู„ูƒ A capital ุจูŠู‚ุตุฏ ููŠู‡ุง ู…ุซู„ู‹ุง non terminal
228
00:15:00,320 --> 00:15:03,420
ูˆู‡ูˆ ู‡ุฐุง ุฐุงูƒุฑู‡ ุดุฑุญู‡ ููŠ ุงู„ notations ูู‡ุฐู‡ ู…ุด ุญูุธ
229
00:15:03,420 --> 00:15:07,440
ุงู„ุดุบู„ุฉ ู„ูƒู† ูƒูŠู ุฅุญู†ุง ู†ุชุนุงู…ู„ ู…ุน ุงู„ุฑู…ูˆุฒ ููŠ ุงู„ูƒุชุงุจ ุนุดุงู†
230
00:15:07,440 --> 00:15:13,490
ู†ุณุชูˆุนุจ ุงู„ุฃู…ุซู„ุฉ ุจุชุงุนุชู‡ ุจุดูƒู„ ุณู„ูŠู… ุทูŠุจ ู†ูŠุฌูŠ ุนู„ู‰ ู…ูˆุถูˆุน
231
00:15:13,490 --> 00:15:20,570
ุงู„ derivations ุจุงู„ู†ุณุจุฉ ู„ู„ derivations ุจุฑุถู‡ ุดุจูŠู‡
232
00:15:20,570 --> 00:15:24,290
ุฌุฏุงู‹ ุจู…ูˆุถูˆุน ุนู…ู„ูŠุฉ ุงู„ parsing ูˆุฃู† ุฃุทู„ุน ุงู„ tree ู„ูƒู†
233
00:15:24,290 --> 00:15:30,270
ุจุทุฑูŠู‚ุฉ ุดูˆูŠุฉ ู…ุด ุจุทุฑูŠู‚ุฉ ุฑุณู… ุจุทุฑูŠู‚ุฉ ุฑูŠุงุถูŠุฉ ุฎู„ูŠู†ูŠ ุฃุดูˆู
234
00:15:30,270 --> 00:15:34,350
ูƒูŠู ูŠุนู†ูŠ ู…ุซู„ู‹ุง ู„ูˆ ุฃู†ุง ุนู†ุฏูŠ ู‡ุฐุง ุงู„ grammar ุฎู„ูŠู†ูŠ
235
00:15:34,350 --> 00:15:45,150
ุฃูƒุจุฑู‡ุชู…ุงู…ุŸ ุชู…ุงู… ูˆุจุฏู†ุง ู†ุนู…ู„ ู…ุซู„ู‹ุง ุฅูŠู‡ุŸ ูˆุจุฏู†ุง ู†ุนู…ู„
236
00:15:45,150 --> 00:15:52,650
ู…ุซู„ู‹ุง ID ุฒุงุฆุฏ ID ู…ุซู„ู‹ุง ุฒู…ุงู† ูƒู†ุง ุจุงู„ tree ู†ู‚ูˆู„ ุฎู„ุงุต
237
00:15:52,650 --> 00:16:00,750
ุงู„ E ุนุจุงุฑุฉ ุนู† E ุฒุงุฆุฏ ุงู„ E ูˆุงู„ู€ E ID ูˆุงู„ู€ E ID ููƒู†ุง
238
00:16:00,750 --> 00:16:05,370
ู†ุนู…ู„ derive ู„ู€ letter E ุงู„ูŠูˆู… ู„ุง ููŠ ุตูŠุบุฉ ุซุงู†ูŠุฉ ุฅูŠุด
239
00:16:05,370 --> 00:16:10,090
ุจู‚ูˆู„ ุตูŠุบุฉ ุจู†ูƒุชุจู‡ุง ุจุฏูˆู† ุฑุณู… ุจุงุฌูŠ ุจู‚ูˆู„ ุงู„ู€ E derives
240
00:16:10,090 --> 00:16:17,010
ุงู„ุณู‡ู… ุฒูŠ ู‡ูŠูƒ derives E ุฒุงุฆุฏ E ูู‡ู†ุง ุฅูŠุด ุจู†ู‚ูˆู„ ู‡ุฐุง
241
00:16:17,010 --> 00:16:21,270
derives ุทุจุนู‹ุง ุทูŠุจ ุงู„ุขู† ุจุฏูŠ ุฃูƒู…ู„ ูˆุจุนุฏูŠู† ุฅูŠุด ุจุณูˆูŠ
242
00:16:21,270 --> 00:16:26,710
ุจุนู…ู„ ูƒู…ุงู† ุณู‡ู… ูˆุฑุง ู…ุซู„ู‹ุง ุงู„ุขู† ู…ูŠู† ุฃุบูŠุฑุŸ ุฃุบูŠุฑ ุงู„ู„ูŠ ุนู„ู‰
243
00:16:26,710 --> 00:16:29,930
ุงู„ุดู…ุงู„ ูˆู„ุง ุฃุบูŠุฑ ุงู„ู„ูŠ ุนู„ู‰ ุงู„ูŠู…ูŠู†ุŸ ุฌุงู„ ุนู„ู‰ ุญุณุจ ุงู„
244
00:16:29,930 --> 00:16:32,270
derivations ุฅุญู†ุง ุฅูŠุด ุดุบุงู„ูŠู†ุŸ ู„ูˆ ุฅุญู†ุง ุดุบุงู„ูŠู†
245
00:16:32,270 --> 00:16:36,730
leftmost derivations ุจูŠุตูŠุฑ ุฃุบูŠุฑ ููŠ ุงู„ุฃูˆู„ ู…ูŠู†ุŸ ุงู„ู„ูŠ
246
00:16:36,730 --> 00:16:40,790
ุนู„ู‰ ุงู„ุดู…ุงู„ ู„ูˆ ุฅุญู†ุง ุดุบุงู„ูŠู† rightmost derivations
247
00:16:40,790 --> 00:16:43,510
ุจูŠุตูŠุฑ ุฃุบูŠุฑ ู…ูŠู†ุŸ ุงู„ู„ูŠ ุนู„ู‰ ุงู„ูŠู…ูŠู†ุŒ ุงู„ุขู† ู†ูุชุฑุถ ุฃู†ู†ุง
248
00:16:43,510 --> 00:16:46,670
ุดุบุงู„ูŠู† leftmost ุนุดุงู†ูƒ ุฅูŠุด ู‡ู†ุตูŠุฑ ู†ู‚ูˆู„ุŸ ุงู„ E
249
00:16:46,670 --> 00:16:50,710
ู‡ุชู…ุณุชุจุฏู„ ุจู€ ID ุฒุงุฆุฏ EุŒ ู„ุงุญุธูˆุง ุฎุทูˆุฉ ุฎุทูˆุฉ ุฌุงูŠุช ุจุงุด
250
00:16:50,710 --> 00:16:55,650
ุชุชุบู„ูˆ ุจุนุฏูƒ ุฅูŠุด ู‡ู†ู‚ูˆู„ุŸ ID ุฒุงุฆุฏ ID ุทุจ ุฃู†ุง ุฅูŠุด ุณูˆูŠุช ููŠ
251
00:16:55,650 --> 00:17:01,230
ุงู„ู…ูƒุงู† ู‡ุฐุงุŸ ุฃู†ุง ุนู…ู„ุช derivations ู„ู„ sentence ู…ู† ุงู„
252
00:17:01,230 --> 00:17:05,210
start symbol E ู…ู† ุฎู„ุงู„ ุนู…ู„ูŠุฉ derivations ุทุจ ุฅูŠุด
253
00:17:05,210 --> 00:17:08,330
ูŠุฎุชู„ู ุนู† ู‡ุฐุงุŸ ู…ุง ูŠุฎุชู„ูุด ุดูŠุก ุงู„ุงุซู†ูŠู† ูˆุงุญุฏ ุงู„ tree ูˆุงู„
254
00:17:08,330 --> 00:17:11,450
derivations equivalent ูˆุงุญุฏ ู‡ู†ุง ุจุณ ุนู„ู‰ ุดูƒู„
255
00:17:11,450 --> 00:17:15,910
graph ุฅู†ู‡ ูƒูŠู ุงู„ E ุทู„ุน ID ู‡ู†ุง ุงู„ E ููŠ ุงู„ุฃูˆู„ ุชุณุชุจุฏู„
256
00:17:15,910 --> 00:17:19,190
ุจู€ E ุฒุงุฆุฏ E ุจุนุฏูŠู† ุงู„ E ุชุฏูŠู†ูŠ ID ุจุนุฏูŠู† ุงู„ E ุชุฏูŠู†ูŠ ID
257
00:17:19,190 --> 00:17:23,690
ู‡ู†ุง ุนู„ู‰ ุดูƒู„ ุงู„ graph ุจูŠู†ู…ุง ู‡ู†ุง ุดุบุงู„ ุนู„ู‰ ุดูƒู„ ู…ุนุงุฏู„ุฉ
258
00:17:23,690 --> 00:17:27,410
ุฃู† ุงู„ E derives ู„ู…ู†ุŸ derives ู„ู…ู†ุŸ derives ู„ู…ู†ุŸ
259
00:17:27,410 --> 00:17:30,350
ู„ุบุงูŠุฉ ู…ุง ุฃูˆุตู„ ู„ู„ sentence ุทุงู„ู…ุง ุทู„ุนุช ุงู„ sentence
260
00:17:30,350 --> 00:17:33,210
ู…ุนู†ุงู‡ุง ู‡ุฐู‡ ู…ูˆุฌูˆุฏุฉ ููŠ ุงู„ language ุนู„ู‰ ุทูˆู„ ุฒูŠ ู‡ูŠูƒ
261
00:17:33,210 --> 00:17:36,490
ุจุณ ู‡ูŠ ูƒู„ ู‚ุตุฉ ุงู„ derivations ู…ุง ุจุฏู‡ุง ุดูŠุก ูŠุนู†ูŠ ูุงู„ู„ูŠ
262
00:17:36,490 --> 00:17:41,030
ุนุงุฑู ุงู„ tree ุนู„ู‰ ุทูˆู„ ุงู„ derivations ุชุญุตูŠู„ ุญุงุตู„ ุทูŠุจ
263
00:17:41,030 --> 00:17:44,430
ุงู„ุขู† ู‡ู…ุดูŠ ุนู† ุงู„ derivations ุฃู†ุง ู…ุง ููŠุด ููŠ ุดูŠุก ุฃูƒู…ู„
264
00:17:52,220 --> 00:17:54,900
ุทุจุนู‹ุง ู‡ุฐู‡ ูˆุจูŠุดุฑุญ ู‡ู†ุง ุงู„ parse tree ูˆุงู„
265
00:17:54,900 --> 00:17:58,040
derivations ู‡ุฐู‡ ุจุฏูŠูƒู… ู…ุซุงู„ ุฒูŠ ุงู„ู„ูŠ ุดุฑุญู†ุงู‡ ู‚ุจู„
266
00:17:58,040 --> 00:18:02,840
ุดูˆูŠุฉ ู„ูˆ ุจุฏู†ุง ู†ุนู…ู„ ู…ุซู„ู‹ุง ู†ุงู‚ุต id ุฒุงุฆุฏ id ู‡ู†ุง ุงุดุชุบู„
267
00:18:02,840 --> 00:18:06,760
ุนู„ูŠู‡ุง ุนู„ู‰ ุดูƒู„ ุฅูŠุดุŸ ุนู„ู‰ ุดูƒู„ ุงู„ tree ู…ุง ุจุฏู‡ุง ุดูŠุก ู„ูˆ
268
00:18:06,760 --> 00:18:09,160
ุจุฏู†ุง ู†ุนู…ู„ derivation ุณู‡ู„ ุฌุฏู‹ุง ููŠ ุงู„ derivation
269
00:18:09,160 --> 00:18:14,520
ู‡ู†ู‚ูˆู„ ุงู„ E ุจุชุนุทูŠู†ูŠ ู†ุงู‚ุต E ุจุนุฏูŠู† derives ุงู„ E ุจุชุตูŠุฑ
270
00:18:14,520 --> 00:18:17,320
ุชุชุญูˆู„ู‡ุง ูˆุจู†ุณูŠุจ ู†ู…ุดูŠ ู…ู† ุงู„ุดู…ุงู„ ู„ู„ูŠู…ูŠู† ุฒูŠ ู…ุง ู‚ู„ุช
271
00:18:17,320 --> 00:18:23,850
ู‚ุจู„ ุดูˆูŠุฉ ูˆู‡ูŠู‡ุง ู‡ู†ุง ุจูˆุฑูŠู†ูŠุดุงูŠููŠู† ูƒูŠู ู…ุน ุจุนุถุŸ ู‡ูŠ
272
00:18:23,850 --> 00:18:30,510
ุดุงูŠููŠู†ุŸ ู‚ุงู„ ุงู„ E ุฃูˆู„ ุดูŠุก ุจุชุทู„ุน ู†ุงู‚ุต E ุทุจุนู‹ุง ู„ุงุญุธูˆุง
273
00:18:30,510 --> 00:18:36,900
ุฃู†ู‡ ู…ู…ูƒู† ุฃุฑุณู… ุฑุณู…ู‡ุง ู…ู…ูƒู† ุฃูƒุชุจู‡ุง ุฒูŠ ู‡ูŠูƒ ุฎู„ุงุต E
274
00:18:36,900 --> 00:18:43,980
derives ู†ุงู‚ุต E ุงู„ุงุซู†ูŠู† ุตุญ ุณูˆุงุก ุจุฏูŠ ุฃูƒุชุจู‡ุง ู‡ูŠูƒ ุฃูˆ
275
00:18:43,980 --> 00:18:47,480
ุฃุฑุณู…ู‡ุง ู‡ูŠูƒ ุงู„ุงุซู†ูŠู† ุตุญ ู„ุฃู† ุฒูŠ ู…ุง ู‚ู„ู†ุง ุงู„ tree ูˆุงู„
276
00:18:47,480 --> 00:18:49,920
derivations equivalent ุจุณ ู‡ุฐุง ุดูƒู„ ุงู„ graph ูˆู‡ุฐุง
277
00:18:49,920 --> 00:18:53,260
ุดูƒู„ ุงู„ู…ุนุงุฏู„ุฉ ุทุจุนู‹ุง ู„ุงุญุธูˆุง ุฃู† ุทุจ ูƒูŠู ุจุฏูŠ ุฃูƒู…ู„ ุงู„
278
00:18:53,260 --> 00:18:56,080
derivations ุฃูƒูŠุฏ ุงู„ E ู‡ุฐู‡ ุจุฏูŠ ุฃุณุชุจุฏู„ู‡ุง ุจุฅูŠุด
279
00:18:56,080 --> 00:18:59,390
ุฃุณุชุจุฏู„ู‡ุง ุนุดุงู† ุฃุทู„ุน ุงู„ sentence ุงู„ู„ูŠ ุฌุงุจู†ูŠ ุดูˆูŠุฉ ุจุฏูŠ
280
00:18:59,390 --> 00:19:03,250
ุฃุณุชุจุฏู„ู‡ุง ุจูŠู† ุฌุซุชูŠู† E ูุดุงูŠููŠู† ูƒูŠู ุนู…ู„ู‡ุงุŸ ุฎู„ุงุต ู‡ูˆ ูุถู„
281
00:19:03,250 --> 00:19:06,750
ู‡ู†ุง ููŠ ุงู„ู…ุซุงู„ ุฃู†ู‡ ูŠุฎู„ุท ุงู„ุงุซู†ูŠู† ู…ุน ุจุนุถ ุฃู†ู‡ ูŠุนู…ู„ ุงู„
282
00:19:06,750 --> 00:19:10,710
derivations ู…ุน ุงู„ู€ tree ู„ูƒู† ุฃู†ุง ุฒูŠ ู…ุง ู‚ู„ุช ู…ุด ู…ู„ุฒู…
283
00:19:10,710 --> 00:19:13,090
ุฃุนู…ู„ ุฒูŠ ู‡ูŠูƒ ูŠุนู†ูŠ ุฅุฐุง ุฃู†ุง ุจุฏูŠ ุฃุนู…ู„ ู‡ุฐุง ุงู„ู…ุซุงู„ ุงู„ู„ูŠ
284
00:19:13,090 --> 00:19:15,570
ู‡ูˆ ุฌุงู„ู‡ ู‡ุงูŠ ู…ุซู„ุงู‹ ุฎู„ูŠู†ูŠ ุงู…ุณุญ
285
00:19:18,470 --> 00:19:23,510
ูŠุนู†ูŠ ู„ูˆ ุจุฏู†ุง ู†ุนู…ู„ ู‡ุฐุง ุงู„ู„ูŠ ู‡ูˆ ู†ุงู‚ุต ID ุฒุงุฆุฏ ID ุฎู„ุงุต
286
00:19:23,510 --> 00:19:31,670
ุฅูŠุด ุจุณูˆูŠ ุจู‚ูˆู„ ุงู„ู€ E ุจุชุนุทูŠู†ูŠ ุฅูŠุด minus E ุจุนุฏูŠู† ุจูƒู…ู„
287
00:19:31,670 --> 00:19:36,610
ุจุบูŠุฑ ุงู„ู€ E ุฅูŠุด ุจุชุนุทูŠู†ูŠ ู‡ูŠู‡ุง ุทุจุนุงู‹ ุฃู†ุง ุจุดุชุบู„ ู…ู† ุงู„
288
00:19:36,610 --> 00:19:39,710
grammar ุงู„ู„ูŠ ุดูˆูุชู‡ ู‚ุจู„ ุดูˆูŠุฉ ุจู‚ูˆู„ ุนุจุงุฑุฉ ุนู† ุจูŠู† ุฌุซูŠู†
289
00:19:39,710 --> 00:19:46,410
E ุจุนุฏูŠู† ุฅูŠุด ุจุณูˆูŠ E ุฒุงุฆุฏ E ุจุนุฏูŠู† ุฅูŠุด ุจุณูˆูŠ ู‡ูŠ ุงู„ู†ุงู‚ุต
290
00:19:46,410 --> 00:19:52,230
ุฒูŠ ู…ุง ู‡ูˆ ู‡ุฐู‡ ุงู„ู€ ID ุจุบูŠุฑู‡ุง ุจุนุฏูŠู† ุขุฎุฑ ุดูŠุก ุฅูŠุด ุจุณูˆูŠ ู†ุงู‚ุต
291
00:19:52,230 --> 00:19:57,310
ID ุฒุงุฆุฏ ID ู‡ูŠูƒ ุฃู†ุง ุนู…ู„ุช ุฅูŠุด derivations ุจุณ ู‡ู†ุงูƒ ู‡ูˆ
292
00:19:57,310 --> 00:20:01,050
ูุถู„ ุฅูŠุด ูŠุนู…ู„ู‡ุง ุฎุทูˆุฉ ุฎุทูˆุฉ ุนู„ู‰ ุดูƒู„ Tree ุนู…ู„ Tree ู„ู‡ุฐู‡
293
00:20:01,050 --> 00:20:04,190
ุนู…ู„ Tree ู„ู‡ุฐู‡ ุนู…ู„ Tree ู„ู‡ุฐู‡ ุนู…ู„ Tree ู„ู‡ุฐู‡ ู„ู…ุง ุทู„ุน
294
00:20:04,190 --> 00:20:08,450
ุงู„ู†ุชูŠุฌุฉ ูƒู„ู‡ ุตุญ ุณูˆุงุก ุนู…ู„ู†ุง ู‡ูŠูƒ ุณูˆุงุก ุนู…ู„ู†ุง ู‡ูŠูƒ ุฃูˆ
295
00:20:08,450 --> 00:20:11,190
ุณูˆุงุก ุฑุณู…ู†ุง ุงู„ู€ tree ุฒูŠ ุฒู…ุงู† ูƒู„ู‡ ุตุญ ูˆู…ุงููŠุด ููŠู‡
296
00:20:11,190 --> 00:20:15,270
ู…ุดุงูƒู„ ู„ุฃู†ู‡ู… ุฒูŠ ู…ุง ู‚ู„ู†ุง equivalent ูˆุงู„ู…ุนู„ูˆู…ุฉ ุงู„ู„ูŠ
297
00:20:15,270 --> 00:20:17,830
ุจุชุฏูŠู‡ุง ุงู„ุฃุณุงุณูŠุฉ ุฃู† ุงู„ู€ sentence ุจุชุทู„ุน ู…ู† ุงู„ู€ non
298
00:20:17,830 --> 00:20:21,110
terminal ูˆู„ุง ู„ุฃ ุณูˆุงุก ุนู…ู„ุช parsing ูˆู„ุง derivation
299
00:20:21,110 --> 00:20:24,810
ุฎู„ุตุช ุงู„ู‚ุตุฉ ุฅุฐุง ุทู„ุนุช ุงู„ู€ sentence ู…ู† ุงู„ู€ non terminal
300
00:20:24,810 --> 00:20:27,290
ุณูˆุงุก ุจุงู„ู€ tree ุฃูˆ ุจุงู„ู€ derivation ู…ุนู†ุงู‡ ู‡ูŠ ููŠ ุงู„
301
00:20:27,290 --> 00:20:29,650
language ู…ุนู†ุงู‡ ู…ุงููŠุด ู…ุดุงูƒู„ ู…ุง ุทู„ุนุช ู…ุนู†ุงู‡ ููŠู‡ุง
302
00:20:29,650 --> 00:20:35,230
ู…ุดุงูƒู„ุŒ ู‡ุงูŠ ุจุงุฎุชุตุงุฑ ุทูŠุจ ุงู„ู€ ambiguity .. ุฅูŠุด ุชุนุฑู ุงู„
303
00:20:35,230 --> 00:20:39,130
ambiguityุŸ ุงู„ู€ ambiguity ุฃุฎุฏู†ุงู‡ุง ุฒู…ุงู† ุฅูŠุด ูƒู†ุง ู†ู‚ูˆู„
304
00:20:39,130 --> 00:20:46,070
ู„ูˆ ุนู†ุฏูŠ ุงุซู†ูŠู† tree ู„ู†ูุณ ุงู„ู€ sentence ู…ุนู†ุงู‡
305
00:20:46,070 --> 00:20:51,390
ambiguous ุทูŠุจ ุจู„ุบุฉ ุงู„ู€ derivations ุฅูŠุด ุงู„
306
00:20:51,390 --> 00:20:56,990
ambiguousุŸ ุจู„ุบุฉ ุงู„ู€ derivation ู„ูˆ ุนู†ุฏูŠ ุงุซู†ูŠู†
307
00:20:56,990 --> 00:21:01,810
leftmost derivation ู„ู†ูุณ ุงู„ู€ sentence ู…ุนู†ุงู‡
308
00:21:01,810 --> 00:21:06,190
ambiguous ุฃูˆ ุฅุฐุง ุนู†ุฏูƒ ุงุซู†ูŠู† rightmost derivation
309
00:21:06,190 --> 00:21:11,030
ู„ู†ูุณ ุงู„ู€ sentence ู…ุนู†ุงู‡ ambiguous ู„ูƒู† ุบู„ุท ุฃู‚ูˆู„
310
00:21:11,030 --> 00:21:14,630
ุงุซู†ูŠู† derivation ู„ู†ูุณ ุงู„ู€ sentence ุฃู†ุช ูƒู„ sentence
311
00:21:14,630 --> 00:21:17,770
ู„ู‡ุง ุงุซู†ูŠู† derivation ู…ุฑุฉ ุจุณุชุจุฏู„ ู…ู† ุงู„ุดู…ุงู„ ุงู„ู„ูŠ ู‡ูˆ
312
00:21:17,770 --> 00:21:20,920
leftmost ูˆู…ุฑุฉ ุจุณุชุฎุฏู… ู…ู† ุงู„ูŠู…ูŠู† ุงู„ู„ูŠ ู‡ูˆ rightmost
313
00:21:20,920 --> 00:21:25,100
ุฅุฐุง ุบู„ุท ุฃู‚ูˆู„ ุงุซู†ูŠู† derivation ู„ูƒู† ู„ุงุฒู… ุงู„ูƒู„ุงู… ูŠูƒูˆู†
314
00:21:25,100 --> 00:21:28,660
ูˆุงุถุญ ุจุชูƒูˆู† ambiguous ุฅุฐุง ุฅู„ู‡ุง ุงุซู†ูŠู† leftmost
315
00:21:28,660 --> 00:21:33,620
derivation ู„ู†ูุณ ุงู„ู€ sentence ุฃูˆ ุงุซู†ูŠู† rightmost
316
00:21:33,620 --> 00:21:39,080
derivation ู„ุงุฒู… ู†ุญุฏุฏ ุฒูŠ ู‡ุฐุง ุงู„ู…ุซุงู„ ู‡ู†ุง ุฃุดุชุบู„ ุนู„ู‰
317
00:21:39,080 --> 00:21:42,480
rightmost ู…ู† ุงู„ู€ grammar ุงู„ู„ูŠ ู‚ุจู„ ุดูˆูŠุฉ ู‚ุงู„ ู„ูŠ ุงู„ู€ ID
318
00:21:42,480 --> 00:21:46,260
ุฒุงุฆุฏ ุงู„ู€ ID ุถุฑุจ ุงู„ู€ ID ูƒูŠู ุจุฏู†ุง ู†ุทู„ุนู‡ุงุŸ ู„ุงุญุธูˆุง ุฃู†ู‡ุง
319
00:21:46,260 --> 00:21:51,570
ุญู„ู‘ูŠู† ุงู„ุญู„ ุงู„ุฃูˆู„ E drive E ุฒุงุฆุฏ E ุงุณุชุจุฏู„ ุงู„ู€ E ู„ุฃู†ู‡
320
00:21:51,570 --> 00:21:55,970
ุจุดุชุบู„ leftmost ุงุณุชุจุฏู„ ุงู„ู€ E ุจู€ ID ุจุนุฏูŠู† ุงู„ู€ E ุงู„ุซุงู†ูŠ
321
00:21:55,970 --> 00:21:58,670
ุงุณุชุจุฏู„ู‡ุง ุจู€ E ุถุฑุจ E ุทุจุนุงู‹ ู…ุง ุงุณุชุจุฏู„ุด ู…ู† ุฌูŠุจุชู‡ ุฑุฌุน
322
00:21:58,670 --> 00:22:02,050
ุนู„ู‰ ุงู„ู€ grammar ุงู„ู„ูŠ ู…ูˆุฌูˆุฏ ู‚ุจู„ ุดูˆูŠุฉ ูˆุดุฑุญ ูุจุนุฏูŠู†
323
00:22:02,050 --> 00:22:05,030
ุงุณุชุจุฏู„ ุงู„ู€ E ุจู€ ID ูˆุงุณุชุจุฏู„ ุงู„ู€ E ู‡ุฏ ุจู€ ID ูุทู„ุนุช ุงู„ู€ ID
324
00:22:05,030 --> 00:22:08,970
ุฒุงุฆุฏ ID ุถุฑุจ ID ุงู„ุขู† ุนู…ู„ most leftmost derivation
325
00:22:08,970 --> 00:22:13,880
ุซุงู†ูŠุฉ ุงุณุชุจุฏู„ ุงู„ู€ E ุจู€ E ุถุงุฑุจ EุŒ ุจุนุฏูŠู† ุฎู„ู‘ู‰ ..
326
00:22:13,880 --> 00:22:17,200
ุดุงูŠููŠู†ุŸ ุงู„ู€ E ู‡ุงุฏ ุงุณุชุจุฏุงู„ู‡ุง ุงู„ุฃูˆู„ู‰ ุจู€ E ุฒุงุฆุฏ E
327
00:22:17,200 --> 00:22:19,840
ูˆุฎู„ู‘ู‰ ุงู„ู€ E ู‡ุงุฏูŠุŒ ุจุนุฏูŠู† ุงุณุชุจุฏู„ ุจู€ IDุŒ ุงุณุชุจุฏู„ ุจู€
328
00:22:19,840 --> 00:22:23,560
IDุŒ ูˆุงุณุชุจุฏู„ ุจู€ IDุŒ ุฅุฐุง ุงู„ุชู†ุชูŠู† sentence ู‡ุฏูˆู„ ุทู„ุนูˆุง
329
00:22:23,560 --> 00:22:26,940
ู…ู† ุงุซู†ูŠู† leftmost derivation ู…ุฎุชู„ููŠู†ุŒ ุฅุฐุง ู‡ุฐุง
330
00:22:26,940 --> 00:22:31,260
ambiguous ุชู…ุงู… ุทูŠุจ
331
00:22:41,840 --> 00:22:44,120
ุฎู„ู‘ูŠู†ูŠ .. ู‡ุฐุง ุงู„ู€ section ู…ุด ู…ุดูƒู„ุฉ ุฃุฑุจุนุฉ ุงุซู†ูŠู† ุณุชุฉ
332
00:22:44,120 --> 00:22:47,880
ุจู†ุงุดูŠ ุฅูŠุงู‡ ุฎู„ู‘ูŠู†ูŠ ุฃุฏุฎู„ ุนู„ู‰ ุฃุฑุจุนุฉ ุงุซู†ูŠู† ุณุจุนุฉ ุฃุฑุจุนุฉ
333
00:22:47,880 --> 00:22:52,480
ุงุซู†ูŠู† ุณุจุนุฉ ุฅูŠุด ุจู‚ูˆู„ ููŠู‡ุŸ ุจู‚ูˆู„ context-free grammar
334
00:22:52,480 --> 00:22:55,620
versus regular expression ูˆู‡ู†ุง ููŠ ู…ุนู„ูˆู…ุฉ ู…ู‡ู…ุฉ ู„ุงุฒู…
335
00:22:55,620 --> 00:23:00,420
ู†ุนุฑูู‡ุง ุฃู† ูƒู„ regular expression ุจู‚ุฏุฑ ุฃุนู…ู„ู‡
336
00:23:00,420 --> 00:23:03,900
ุจุงู„ู€ grammar ู„ูƒู† ู…ุด ูƒู„ ุงู„ู€ grammar ุจู‚ุฏุฑ ุฃุนู…ู„ู‡ ุจุงู„
337
00:23:03,900 --> 00:23:07,680
regular expression ู„ูŠุดุŸ ู„ุฃู† ุงู„ู€ grammar ุฃุนู… ูˆุฃุดู…ู„
338
00:23:07,680 --> 00:23:10,540
ู…ู† ุงู„ู€ regular expression ุงู„ู€ regular expression
339
00:23:10,540 --> 00:23:14,080
ุดูˆูŠุฉ ุถูŠู‚ ุฎู„ูŠู†ุง ู†ู‚ูˆู„ ู…ุญุฏูˆุฏ ุจูŠู†ู…ุง ุงู„ู€ grammar
340
00:23:14,080 --> 00:23:17,680
powerful ุฃูƒุซุฑ ูˆุฃูƒุจุฑ ูˆุจุงู„ุชุงู„ูŠ ูƒู„ ุดูŠุก ุจู†ุนู…ู„ ุจุงู„
341
00:23:17,680 --> 00:23:20,420
regular expression ุจู†ุนู…ู„ ุจุงู„ู€ grammar ู„ูƒู† ุงู„ุนูƒุณ ู…ุด
342
00:23:20,420 --> 00:23:29,260
ุตุญูŠุญ ุทุจ ู†ุฏูŠ ู…ุซุงู„ ูˆู†ุดูˆู ูƒูŠู ุงู„ุขู† ุงุญู†ุง ุจู†ุนุฑู ุฃู† ูƒู„
343
00:23:29,260 --> 00:23:35,360
regular expression ู…ุง ู„ู‡ุง .. ุฒูŠ ู‡ุฐู‡ ู…ุซู„ุงู‹ ุทุจุนุงู‹ .. ู‡ุฐู‡
344
00:23:35,360 --> 00:23:39,140
ุทุจุนุงู‹ ุงู„ู„ูŠ ู‡ูŠ regular expression ุจุชูˆุฑูŠู†ูŠ .. ุทุจุนุงู‹
345
00:23:39,140 --> 00:23:43,540
ุฅูŠุด ุงู„ู€ language ุจุชูˆุตูู‡ุง ู‡ุงูŠุŸ ูƒู„ ุงู„ูƒู„ู…ุงุช ุงู„ู„ูŠ ู…ู† A
346
00:23:43,540 --> 00:23:47,700
ุฃูˆ B ู„ูƒู† ุชู†ุชู‡ูŠ ุจู€ ABB ู‡ุฐุง regular expressionุŒ ุงู„ุขู†
347
00:23:47,700 --> 00:23:54,040
ูƒูŠู ุฃู†ุง ุจู‚ุฏุฑ ุฃุณูˆูŠู‡ุง ูƒู€ grammarุŸ ู‚ุงู„ ุงู„ุฎุทูˆุฉ ุงู„ุฃูˆู„ู‰ ู„ุงุฒู…
348
00:23:54,040 --> 00:23:57,960
ุชุฌูŠุจ ุงู„ู€ NFA ุชุจุนุชู‡ ุงุญู†ุง ุฃุฎุฐู†ุง ุงู„ุดุจุทุฑ ุงู„ุณุงุจู‚ ูƒูŠู
349
00:23:57,960 --> 00:24:02,000
ู†ุญูˆู„ ู…ู† regular expression ู„ู€ NFA ุฅุฐุง ุงู„ุฎุทูˆุฉ ุงู„ุฃูˆู„ู‰
350
00:24:02,000 --> 00:24:05,460
ู„ุงุฒู… ู†ุฌูŠุจ ุงู„ู€ NFA ุทุจุนุงู‹ ุชุนู„ู…ู†ุง ู‚ุจู„ ู‡ูŠูƒ ุฃู† ูƒู„
351
00:24:05,460 --> 00:24:09,240
regular expression ู„ู‡ NFA ูˆุจุงู„ุชุงู„ูŠ ู‡ุฐู‡ ู‡ู†ุญูˆู„ู‡ุง
352
00:24:09,240 --> 00:24:12,740
ู„ุฅู†ู‚ุงู A ู…ู† ุจุงุจ ุงู„ุชุฐูƒูŠุฑ ุงุญู†ุง ุฃุฎุฐู†ุง ุฃูˆู„ ุฅู†ู‚ุงู A
353
00:24:12,740 --> 00:24:16,860
ู„ู‡ุฐุง ุงู„ู…ุซุงู„ ููŠ ุจุฏุงูŠุฉ ุงู„ุดุงุจุท ุงู„ุณุงุจู‚ ูƒุงู†ุช ุฃุธู† ุฅู†ูƒ ู„ูˆ
354
00:24:16,860 --> 00:24:24,320
zero ูƒุงู†ุช A ู‡ู†ุง ู„ู ูˆ B ู‡ู†ุง ู„ู ูˆุฃุธู† ุฅู† ู‡ู†ุง ูƒุงู†ุช A
355
00:24:24,320 --> 00:24:32,980
ุจุชุฑูˆุญ ู„ู€ 1 ุชู…ุงู…ุŸ ูˆุนู†ุฏู†ุง ุจุนุฏูŠู† ูƒุงู†ุช B ูˆุฅู†ู†ุง ูƒู…ุงู†
356
00:24:32,980 --> 00:24:37,640
ู„ุงุซู†ูŠู† ูˆุฅู†ู†ุง ุขุฎุฑ ุดูŠุก ูƒุงู†ุช ุจุชุฑูˆุญ ู„ุชู„ุงุชุฉ ุทุจุนุงู‹ ู‡ุฐู‡ ูŠุง
357
00:24:37,640 --> 00:24:43,570
ุจู†ุงุช ุฃุฎุฐู†ุงู‡ุง ู‚ุจู„ ู‡ูŠูƒ ุงู„ู„ูŠ ู‡ูŠ NFA ู„ู€ regular ู‡ุฐุง
358
00:24:43,570 --> 00:24:47,790
ูŠุนู†ูŠ ุฃู†ุง ุนุดุงู† ุฃุญูˆู„ regular ู„ู€ grammar ุฃูˆู„ ุฎุทูˆุฉ ุจุฏูŠ
359
00:24:47,790 --> 00:24:51,590
ุฃุญูˆู„ ุงู„ู€ regular ู„ู€ NFA ุทูŠุจ ุญูˆู„ุช ู„ู€ NFA ุงู„ุขู† ุฅูŠุด
360
00:24:51,590 --> 00:24:55,790
ุฃุนู…ู„ุŸ ู‚ุงู„ ุงู„ู…ูˆุถูˆุน simple ุฎุงู„ุต ู‚ุงู„ ูƒู„ ุฏุงุฆุฑุฉ ููŠ ู‡ุฏูˆู„
361
00:24:55,790 --> 00:25:01,090
ุชู…ุซู„ non terminal ุงู„ุฏุงุฆุฑุฉ zero ู‡ูŠ non terminal A
362
00:25:01,090 --> 00:25:04,950
zero ุงู„ุฏุงุฆุฑุฉ ูˆุงุญุฏ non terminal A ูˆุงุญุฏ ุงู„ุฏุงุฆุฑุฉ
363
00:25:04,950 --> 00:25:08,630
ุงุซู†ูŠู† non terminal A ุงุซู†ูŠู† ุงู„ุฏุงุฆุฑุฉ ุชู„ุงุชุฉ A ุชู„ุงุชุฉ
364
00:25:08,630 --> 00:25:11,850
ุทูŠุจ ุฅูŠุด ู‡ุณูˆูŠ ููŠ ูƒู„ ูˆุงุญุฏุฉ ููŠู‡ู…ุŸ ุชุนุงู„ูŠ ุชุทู„ุน ุงู„ุฏุงุฆุฑุฉ
365
00:25:11,850 --> 00:25:18,110
ุงู„ุฃูˆู„ู‰ ุงู„ุฏุงุฑุฉ ุงู„ุฃูˆู„ู‰ ุนู†ุฏ A1 ุจุชุฑูˆุญ ุจุชุจู‚ู‰ ุนู„ู‰ ู†ูุณู‡ุง ุตุญ
366
00:25:18,110 --> 00:25:21,850
ูˆู„ุง ู„ุฃ ููƒูŠู ุนู…ู„ ู‡ุฐุง ุงู„ู€ edge ููŠ ุงู„ุฑุณู…ุฉ ุชุทู„ุนูˆุง ุฅูŠุด
367
00:25:21,850 --> 00:25:26,630
ู‚ุงู„ ู‚ุงู„ a ููŠ a node ูŠุนู†ูŠ ุนู†ุฏ ุงู„ู€ input ุจูŠุจู‚ู‰ ุถุงู„ ููŠ
368
00:25:26,630 --> 00:25:29,530
a node ุทูŠุจ ู‡ู„ ููŠ input ุซุงู†ูŠ ููŠ ุงู„ุฏูˆูŠุฑุฉ ุงู„ุฃูˆู„ู‰ ุงู‡
369
00:25:29,530 --> 00:25:33,210
ููŠ input ุซุงู†ูŠ ุงู„ู„ูŠ ู‡ูˆ b ุทุจ ุฅูŠุด ุนู…ู„ ูˆุจุชุฑูˆุญ ุนู†ุฏ b
370
00:25:33,210 --> 00:25:37,490
ุจุชุฑูˆุญ ุนู„ู‰ ู†ูุณู‡ุง ูุฑุงุญ ูŠุณูˆูŠ ุจูŠ a node ุดุงูŠููŠู† ูƒูŠู ุทุจ
371
00:25:37,490 --> 00:25:40,930
ู‡ู„ ููŠ input ุงู‡ ููŠ ูƒู…ุงู† input a ุจูŠุฑูˆุญ ุนู„ู‰ ูˆุงุญุฏ ุนุดุงู†
372
00:25:40,930 --> 00:25:45,270
ุงูŠู‡ ุฅูŠุด ุณูˆู‰ ู‚ุงู„ a a ูˆุงุญุฏ ูˆุจู‡ูŠูƒ ุนู…ู„ ุฅูŠุด ู„
373
00:25:45,270 --> 00:25:51,240
production ุงู„ุฃูˆู„ุงู†ูŠ ุชุญุช ุงู„ุฏุงุฆุฑุฉ ุงู„ุฃูˆู„ู‰ ุงู„ุขู† ุจู†ูุณ
374
00:25:51,240 --> 00:25:55,730
ุงู„ููƒุฑุฉ ุงู„ุฏุงุฆุฑุฉ ุงู„ู„ูŠ ูˆุฑุงู‡ุง ุงู„ู„ูŠ ุงุณู…ู‡ุง A1 ุฅูŠุด ููŠู‡ุง
375
00:25:55,730 --> 00:25:59,850
ุงุณู… ุฅู†ุจูˆุช ู…ุงููŠุด ุบูŠุฑ ุงู„ู€ B ูˆุจุชุฑูˆุญ ุนู„ู‰ A2 ู…ุธุจูˆุทุฉ ู„ุง
376
00:25:59,850 --> 00:26:04,650
ู„ุฃ ูุฑุงุญ ูŠุณูˆูŠ ู‚ุงู„ ุฎู„ุงุต ุนู†ุฏ ุงู„ู€ B ุจุชุฑูˆุญ ุนู„ู‰ A2 ู…ุง ูƒู…ู„ุด
377
00:26:04,650 --> 00:26:07,870
ู„ูŠุดุŸ ู„ุฃู† ู…ุงููŠุด ุฅู†ุจูˆุช ุซุงู†ูŠ ู„ูˆ ููŠ ุฅู†ุจูˆุช ุซุงู†ูŠ ูƒุงู† ุณุฌู„ู‡
378
00:26:07,870 --> 00:26:12,270
ุฒูŠ ู…ุง ุณุฌู„ ููŠ ุงู„ู€ A node ุทูŠุจ ุงู„ุขู† ุชุนุงู„ูŠ A2 ุฅูŠุด ููŠู‡ุง
379
00:26:12,270 --> 00:26:15,970
ุจุฑุถู‡ ููŠู‡ุง ุฅู†ุจูˆุช ูˆุญูŠุฏ ุฅูŠุด ู‡ูˆุŸ ุฅู†ู‡ ู„ูˆ ุฃุฌู‡ B ุจูŠุฑูˆุญ ุนู„ู‰
380
00:26:15,970 --> 00:26:21,730
ุชู„ุงุชุฉ ูุฅูŠุด ุจูŠู‚ูˆู„ ู„ูŠ BA3 ุจุงุฎุชุตุงุฑ ุทูŠุจ A ุชู„ุงุชุฉ ู…ุงููŠุด
381
00:26:21,730 --> 00:26:24,330
ููŠู‡ุง ูˆู„ุง link ู…ุงููŠุด ููŠู‡ุง ูˆู„ุง N ุจุชุฑูˆุญ ุนู„ูŠู‡ุง ู…ูƒุงู†
382
00:26:24,330 --> 00:26:27,230
ูุฅูŠุด ุณูˆู‰ A ุชู„ุงุชุฉุŸ Epsilon ุงู„ุขู† ุฅูŠุด ุงู„ู„ูŠ ุงูุทู„ุน
383
00:26:27,230 --> 00:26:31,570
ู…ุนุงูŠุง ู‡ุฐุงุŸ ู‡ุฐุง ุนุจุงุฑุฉ ุนู† Grammar ุงู„ู€ language ุชุจุนุชู‡
384
00:26:31,570 --> 00:26:36,910
ูƒู„ ุงู„ูƒู„ู…ุงุช ุงู„ู„ูŠ ู…ู† A ูˆB ูˆุชุฎุชู… ุจู€ ABB ุงู„ู„ูŠ ู‡ูŠ ู†ูุณ
385
00:26:36,910 --> 00:26:40,110
ุงู„ูˆุตู ุชุงุน Regular Expression ูˆุจู‡ูŠูƒ ุฃู†ุง ุญูˆู„ุช ู…ู†
386
00:26:40,110 --> 00:26:43,830
Regular Expression ู„ู…ูŠู†ุŸ ู„ู„ู€ Grammar ุนู„ู‰ ุทูˆู„ ุจุจุณุงุทุฉ
387
00:26:43,830 --> 00:26:47,470
ุจุณ ู„ุงุฒู… ุฃุฑูˆุญ ู„ู…ูŠู†ุŸ ู„ู„ู€ NFA ููŠ ุงู„ุทุฑูŠู‚ ุชู…ุงู…ุŸ ุทูŠุจ
388
00:26:51,360 --> 00:26:54,560
ู†ูƒู…ู„ ุทุจุนุงู‹ ู‡ู†ุง ุจูŠุดุฑุญ ุงู„ู€ rules ุงู„ู„ูŠ ู‚ู„ุชู‡ุง ู‚ุจู„ ุดูˆูŠุฉ
389
00:26:54,560 --> 00:27:01,960
ููŠ ุงู„ุฑุณู…ุฉ ู†ุฏุฎู„
390
00:27:01,960 --> 00:27:08,320
ุนู„ู‰ ุงู„ู€ section ุงู„ู„ูŠ ูˆุฑุง ุฃุฑุจุนุฉ ุชู„ุงุชุฉ ุงู„ู„ูŠ ู‡ูˆ
391
00:27:08,320 --> 00:27:16,420
writing a grammar ุทุจุนุงู‹ ู‡ู†ุง ุจูŠุณุฃู„ ุณุคุงู„ ู…ู‡ู… lexical
392
00:27:16,420 --> 00:27:22,380
vs syntax analysis ุทุจุนุงู‹ ู‡ู†ุง ุจู‚ูˆู„ ููŠ ู‡ุฐุง subsection
393
00:27:22,380 --> 00:27:28,400
ู„ูŠุด ุงุญู†ุง ูุตู„ู†ุง ุงู„ู€ lexical ุนู† ุงู„ู€ syntax ุทุงู„ู…ุง ุฃู† ูƒู„
394
00:27:28,400 --> 00:27:31,380
regular expression ุฃู†ุง ุจุนู…ู„ู‡ ุจุงู„ู€ grammar ูŠุนู†ูŠ ูˆุงุญุฏ
395
00:27:31,380 --> 00:27:34,800
ุจุณุฃู„ ุจู‚ูˆู„ ุทุงู„ู…ุง ุฃู†ุช regular ุจู†ุนู…ู„ ุจุงู„ู€ grammar ุทุจ
396
00:27:34,800 --> 00:27:37,720
ู…ุง ุฎู„ุงุต ูƒุฏู‡ ุฃู†ุง ุนู…ู„ุช ุงู„ู€ grammar ู„ูƒู„ู‡ ูˆุฎู„ูŠุชู‡ ู… stage
397
00:27:37,720 --> 00:27:41,880
ูˆุงุญุฏุฉ ูˆู…ุง ู†ูุตู„ุด ุทุจุนุงู‹ ู„ุฃ ุงุญู†ุง ู„ูŠุด ูุตู„ู†ุง ุงุญู†ุง ู‚ู„ู†ุง
398
00:27:41,880 --> 00:27:45,860
ุฒู…ุงู† ุฃู† ุนู…ู„ูŠุฉ ุงู„ูุตู„ ุจุชุฎู„ู‘ูŠ ุงู„ู€ code ุชุจู‚ู‰ more
399
00:27:45,860 --> 00:27:48,680
efficient ู„ูŠุดุŸ ู„ุฃู† ู„ู…ุง ุจู‚ุณู… ุงู„ู€ problem ู„ู€ sub
400
00:27:48,680 --> 00:27:52,080
problems ุจูŠุตูŠุฑ ุฃุณู‡ู„ ุนู…ู„ูŠุฉ ุงู„ู€ coding ุฃุณู‡ู„ ุนู…ู„ูŠุฉ
401
00:27:52,080 --> 00:27:55,360
ุงู„ุจุฑู…ุฌุฉ ุจูŠุตูŠุฑ more efficient ูุงู„ุขู† ุฃู†ุง ุถุฑูˆุฑูŠ ูŠูƒูˆู†
402
00:27:55,360 --> 00:27:59,180
ููŠ ุนู†ุฏูŠ ุดุบู„ ู„ู„ู€ lexical ูƒู…ุงู† ู‚ู„ู†ุง ุงู„ู…ุฑุฉ ุงู„ู„ูŠ ูุงุชุช
403
00:27:59,180 --> 00:28:02,080
ุฃูˆ ุฒู…ุงู† ู‚ู„ู†ุง ุนุดุงู† ูƒู…ุงู† ุงู„ู€ portability ุนู„ู‰ ุฃุณุงุณ ุฃู†ุง
404
00:28:02,080 --> 00:28:04,660
ูƒู„ ุงู„ู€ languages ุชู‚ุฑูŠุจุงู‹ ุงู„ู€ tokens ุชุจุนุชู‡ู… ูˆุงุญุฏุฉ
405
00:28:04,980 --> 00:28:08,360
ูˆุจุงู„ุชุงู„ูŠ ุฃู†ุง ุจู‚ุฏุฑ ุฃุนู…ู„ Lexical ู„ู„ุบุฉ ู…ุนูŠู†ุฉ ุฃุณุชููŠุฏ
406
00:28:08,360 --> 00:28:12,080
ู…ู†ู‡ ููŠ ุงู„ู€ languages ุงู„ุฃุฎุฑู‰ ู„ูƒู† ู„ูˆ ุฃู†ุง ุณูŠุฑุช ุฎุงู„ุทู‡
407
00:28:12,080 --> 00:28:15,380
ูƒู„ู‡ ู…ุน ุงู„ู€ grammar ุจุฏูŠ ุฃุณูŠุฑ ููŠ ูƒู„ language ุฃุนูŠุฏ ูƒู„
408
00:28:15,380 --> 00:28:18,700
ุงู„ุดุบู„ ูˆู‡ุฐุง ุงู„ูƒู„ุงู… ุชูƒู„ู…ู†ุง ุนู†ู‡ ู…ุณุจู‚ุงู‹ ู„ูƒู† ูƒู…ุงู† ููŠ
409
00:28:18,700 --> 00:28:25,120
ููˆุงุฆุฏ ุซุงู†ูŠุฉ ุงู„ุขู† ุงุญู†ุง ู‚ู„ู†ุง ู‚ุจู„ ุดูˆูŠุฉ ุฃู† ุงู„ู€ grammar
410
00:28:26,040 --> 00:28:30,680
powerful ุฃูƒุซุฑ ู…ู† ุงู„ู€ lexical ูˆุจุงู„ุชุงู„ูŠ ุฃู†ุง ู…ุด ู…ุญุชุงุฌ
411
00:28:30,680 --> 00:28:34,440
ุฃุณุชุฎุฏู… ู‡ุฐู‡ ุงู„ู‚ุฏุฑุฉ ุงู„ูƒุจูŠุฑุฉ ุนุดุงู† ุฃู‚ุฏุฑ ุฃู†ุง ุฃูˆุตู ุงู„
412
00:28:34,440 --> 00:28:37,300
regular expression ูˆู„ุง ุฃูˆุตู ุงู„ู€ tokens ูŠุนู†ูŠ ุจูุนู„
413
00:28:37,300 --> 00:28:40,840
ุจุณูŠุท ุฃูุฑุถ ุฃู†ุง ุจุฏูŠ ุฃุทู„ุน ู…ุดูˆุงุฑ ุฎุงุฑุฌ ุงู„ุฌุงู…ุนุฉ ุฃูˆ ุงุชุตู„ุช
414
00:28:40,840 --> 00:28:43,480
ุนู„ู‰ ุดุฑูƒุฉ ุงู„ุณูŠุงุฑุงุช ุฃุทู„ุน ุฎุงุฑุฌ ุงู„ุฌุงู…ุนุฉ ุงุฑูˆุญูˆุง ู…ุซู„ุงู‹
415
00:28:43,480 --> 00:28:47,110
ูŠุจุนุซูˆุง ู„ูŠ bus ุงู„ู„ูŠ ู‡ูˆ powerful ูˆุฃูƒุจุฑ ูˆุฃูƒุซุฑ ุทุจ ุฅูŠุด
416
00:28:47,110 --> 00:28:50,470
ุจุฏูŠ ููŠ ุงู„ู€ bus ุฃู†ุง ููŠ ุงู„ู†ู‡ุงูŠุฉ ุตุญ ุจูŠูˆุตู„ู†ูŠ ู„ูƒู† ุฃู†ุง ุจุฏูŠ
417
00:28:50,470 --> 00:28:53,310
ุงู„ุดูŠุก ุงู„ู„ูŠ ุนู„ู‰ ุงู„ุฌุฏ ุนู„ุดุงู† ูŠูƒูˆู† ุฃุณุฑุน ูˆูŠูƒูˆู† ุฃูุถู„ ูˆูŠูƒูˆู†
418
00:28:53,310 --> 00:28:56,310
ุฃุญุณู† ุนุดุงู† ู‡ูŠูƒ ุงุญู†ุง ุจู†ู‚ูˆู„ ู„ุฃ ุฎู„ุงุต ุงู„ู€ grammar
419
00:28:56,310 --> 00:28:59,570
ูŠุณุชุฎุฏู… ู„ู„ู€ language ูˆู„ู„ู€ syntax ุชุจุน ุงู„ู€ language ูˆู„
420
00:28:59,570 --> 00:29:02,370
ุงู„ูˆุตู ุชุจุน ุงู„ู€ language ุจูŠู†ู…ุง ุงู„ู€ regular expression
421
00:29:02,370 --> 00:29:05,710
ุฎู„ุงุต ู…ู†ุงุณุจ ุฌุฏุง ู„ุทุจูŠุนุฉ ุงู„ token ูˆุนุดุงู† ุฃู‚ุฏุฑ ุฃุนู…ู„ู‡
422
00:29:05,710 --> 00:29:08,250
ุจุดูƒู„ efficient ูˆุนุดุงู† ุฃู‚ุฏุฑ ุฃุจุฑู…ุฌ ุจุดูƒู„ systematic
423
00:29:08,250 --> 00:29:11,670
ุฒูŠ ู…ุง ุงุชุนู„ู…ู†ุง ูˆ ุนู…ู„ู†ุง ุงู„ tool ููŠ ุงู„ chapter ุงู„ุณุงุจู‚
424
00:29:11,670 --> 00:29:17,090
ุทุจุนุง ููŠ ูƒุชูŠุฑ ุฒูŠ ู…ุง ู‚ู„ู†ุงุŒ ุฐุงูƒุฑ ู‡ู†ุง ุฃุณุจุงุจ ุนุฏูŠุฏุฉ ุฃู†ู‡
425
00:29:17,090 --> 00:29:19,430
ู„ูŠุด ุฃู†ุง ุฃูุตู„ุŸ ู„ูŠุด ุฃุนู…ู„ regular ูˆ ุฃุนู…ู„ expression
426
00:29:19,430 --> 00:29:24,110
ู‡ุฐู‡ ู…ุฌุฑุฏ ู‚ุฑุงุกุฉุŒ ู…ู…ูƒู† ุฅูŠุด ู†ู‚ุฑุฃู‡ุง ูˆ ู†ุดูˆูู‡ุง ู‡ู†ุงุŒ ูˆ ุฃู†ุง
427
00:29:24,110 --> 00:29:29,810
ุทุจุนุง ุชูˆุฃ ุฃุฌู…ู„ุชู‡ู… ูˆ ุฃุชูƒู„ู…ุช ุนู†ู‡ู…ุŒ ุทูŠุจ
428
00:29:29,810 --> 00:29:34,010
ุจุงู„ู†ุณุจุฉ ู„ุงุฑุจุน ุชู„ุงุชุฉ eliminating ambiguousุŒ ู‡ุฐู‡ ู…ุด
429
00:29:34,010 --> 00:29:35,510
ู…ุดูƒู„ุฉุŒ ุฎู„ูŠู†ุง ู†ุณูŠุจู‡ุง ุงู„ุขู†
430
00:29:50,220 --> 00:29:56,000
ุฎู„ู‘ูŠู†ูŠ ุฃุดุฑุญู‡ุงุŒ ู…ุด ู…ุดูŠุฉุŒ ุฎู„ู‘ูŠู†ูŠ ุฃุดุฑุญู‡ุงุŒ ู…ุด ู…ุดูŠุฉุŒ ุงู„ุฃู‡ู…
431
00:29:56,000 --> 00:29:56,840
ููŠุŒ ุฃู†ุง ุนู†ุฏูŠ ู‡ู†ุง
432
00:30:01,460 --> 00:30:04,800
grammarุŒ ูุจูŠุณุฃู„ู†ูŠ ู‡ุฐุง ุงู„ grammar ambiguous ูˆู„ุง ู…ุด
433
00:30:04,800 --> 00:30:08,780
ambiguousุŒ ุงุญู†ุง ู…ู† ุดุบู„ ุฒู…ุงู† ุจู†ุนุฑู ุงุฐุง ููŠ ุนู†ุฏู‰ tree
434
00:30:08,780 --> 00:30:12,220
ู„ู†ูุณ ุงู„ two trees ู„ู†ูุณ ุงู„ sentence ู‡ุชู‚ูˆู„ู‡ ุนู„ู‰ ุทูˆู„
435
00:30:12,220 --> 00:30:17,920
ุงู†ู‡ุง ambiguousุŒ ุงู„ุงู† ู‡ุฐู‡ ambiguous grammarุŒ ุงู„ุงุซุจุงุช
436
00:30:17,920 --> 00:30:24,960
ูˆูŠู†ู‡ุŸ ุงู† ุฃู†ุง ุงู„ู„ูŠ ุนู†ุฏู‰ ุงู„ two treesุŒ ู‡ุงูŠู‡ู…ุŒ ู‡ุงูŠู‡ู…
437
00:30:24,960 --> 00:30:30,890
ู‡ุงูŠู‡ู… ู„ู„ู€ F ู„ู„sentence ู‡ุฐู‡ุŒ if expression then if
438
00:30:30,890 --> 00:30:33,310
expression then if statement is statementุŒ ููŠ ุนู†ุฏู‰
439
00:30:33,310 --> 00:30:37,550
ุงุชู†ูŠู† trees ู…ุฎุชู„ูุงุช ู„ู†ูุณ ุงู„ sentenceุŒ ูŠุนู†ูŠ ู…ู† ุงู„
440
00:30:37,550 --> 00:30:40,170
grammar ุจุชุทู„ุน ู‡ุฐู‡ุŒ ูˆู…ู† ุงู„ grammar ุจุชุทู„ุน ู‡ุฐู‡ุŒ ุทุจุนุง
441
00:30:40,170 --> 00:30:42,350
ุงุญู†ุง ุฃุฎุฏู†ุง ู‚ุจู„ ู‡ูŠูƒ ู‡ุฐุง ุงู„ูƒู„ุงู… ุจุดูƒู„ ู…ูุตู„ุŒ ุนุดุงู† ู‡ูŠูƒ
442
00:30:42,350 --> 00:30:46,990
ุฃู†ุง ู…ุณุชุนุฌู„ ููŠู‡ุŒ ุงู„ู…ู‡ู… ุฃู†ู‡ ู‡ุงุฏ ุงู„ุขู† ุทุงู„ู…ุง ุฅู„ู‡ุง ุงุชู†ูŠู†
443
00:30:46,990 --> 00:30:49,950
trees ู„ู†ูุณ ุงู„ sentenceุŒ ุนู„ู‰ ุทูˆู„ ุงู„ grammar ุงู„ู„ูŠ
444
00:30:49,950 --> 00:30:52,850
ุฌุงุจู„ูŠ ุดูˆูŠุฉ ambiguousุŒ ุทูŠุจ ุฅูŠุด ุจูŠุทู„ุจ ู…ู†ู†ุง ุงู„ูƒุชุงุจุŸ
445
00:30:52,850 --> 00:30:55,790
ุจูŠู‚ูˆู„ ุทุจ ูƒูŠู ู†ุตู„ุญ ู‡ุฐุง ุงู„ grammar ูˆ ู†ุฎู„ูŠู‡ ุจุทู„
446
00:30:55,790 --> 00:31:00,010
ambiguousุŸ ุทุจุนุง ุนุดุงู† ู†ู‚ุฑุฑ ูˆ ู†ุตู„ุญุŒ ุจุฏูŠ ุฃู†ุชุจู‡ ู„ุดุบู„ุฉ
447
00:31:00,010 --> 00:31:05,050
ู…ู‡ู…ุฉ ู…ูŠู†ุŸ ุงู„ุฑุณู… ุงู„ู„ูŠ ููŠ ุงู„ุชู†ุชูŠู† ุฃุตุญุŸ ุทุจุนุง ุงู„ุฑุณู…ุฉ
448
00:31:05,050 --> 00:31:11,130
ุงู„ุฃุตุญ ููŠ ุงู„ุชู†ุชูŠู† ุงู„ู„ูŠ ู‡ูŠ ุงู„ุฑุณู…ุฉ ู‡ุฐู‡ุŒ ู„ูŠุดุŸ ุงุญู†ุง
449
00:31:11,130 --> 00:31:15,950
ุจู†ุนุฑู ู…ู† ุฒู…ุงู† ุฏุงุฆู…ุง ุงู† ุงู„ู‚ู„ุต ุจุชุชุจุน ู„ุขุฎุฑ F ุจุชุดูˆูู‡ุง
450
00:31:15,950 --> 00:31:20,150
ููŠ ุงู„ุจุฑู…ุฌุฉ ูˆุจุงู„ุชุงู„ูŠ ู‡ุฐู‡ ุงู„ู‚ู„ุต ู„ูˆ ุฌูŠู†ุง ู†ุณุฃู„ ู„ู…ูŠู†
451
00:31:20,150 --> 00:31:22,850
ุจุชุชุจุน ู„ู„ู€ F ู‡ุงูŠ ูˆู„ุง ู„ู„ู€ F ู‡ุงูŠุŸ ู‡ุชู‚ูˆู„ู„ูŠ ููŠ ุงู„ tree
452
00:31:22,850 --> 00:31:26,510
ู‡ุงูŠ ุงู„ู‚ู„ุต ู‡ุฐู‡ ุจุชุชุจุน ู„ู„ู€ F ู‡ุฐู‡ุŒ ูŠุจู‚ู‰ ู…ุงููŠุด ุนู†ุฏูŠ
453
00:31:26,510 --> 00:31:31,460
ู…ุดุงูƒู„ุŒ ู„ูƒู† ู„ูˆ ุฌูŠู†ุง ู†ุชุทู„ุน ุนู„ู‰ ุงู„ุฑุณู…ุฉ ุงู„ู„ูŠ ุชุญุชูˆ ุฌูŠู†ุง
454
00:31:31,460 --> 00:31:37,580
ู†ุณุฃู„ูƒ ุงู„ู‚ู„ุต ุงู„ู„ูŠู‡ุงู†ุจุชุชุจุน ู„ู„ู€ F ู‡ุงูŠ ูˆู„ุง ู„ู„ู€ F ู‡ุงูŠุŸ
455
00:31:37,580 --> 00:31:40,460
ุทุจุนุง ุงู„ูƒู„ ู‡ูŠุฌุงูˆุจ ูˆูŠู‚ูˆู„ ุงู„ุฅู„ุณ ุจุชุชุจุน ู„ู„ู€ F ู‡ุงูŠ ู„ุฃู†ู‡ุง
456
00:31:40,460 --> 00:31:43,680
ูŠุจู‚ู‰ ููŠ ุงู„ุดุฌุฑุฉ ู‡ุฐู‡ ู„ุญุงู„ุฉ ุจุชุทู„ุน ู…ู† ุงู„ statementุŒ ุทูŠุจ
457
00:31:43,680 --> 00:31:47,380
ู‡ู†ุง ููŠ ู…ุดูƒู„ุฉุŒ ุฃู†ุช ู…ูƒุชูˆุจ ุนู†ุฏูƒ F ูˆู…ูˆุฌูˆุฏ ุนู†ุฏ ุงู„ุฅู„ุณ
458
00:31:47,380 --> 00:31:52,560
ุงู„ุฅู„ุณ ู…ุงุชุจุนุชุด ุงู„ุฃู‚ุฑุจุŒ ุชุจุนุช ุงู„ุฃุจุนุฏุŒ ุทูŠุจ ูˆ ู‡ุฐุง ุฎุทุฃ ูˆ
459
00:31:52,560 --> 00:31:56,960
ุจุงู„ุชุงู„ูŠ ู‡ุฐู‡ letter ุบู„ุทุŒ ุบู„ุท ุฃู†ูŠ ุฃุนู…ู„ grammar ูŠุทู„ุนู‡ุง
460
00:31:56,960 --> 00:32:00,560
ูู„ุงุฒู… ุงู„ grammar ุชุจุนูŠ ูŠุทู„ู‚ู„ูŠ ุญุงุฌุฉ ุฒูŠ ู‡ูŠูƒุŒ ู„ุงุฒู…
461
00:32:00,560 --> 00:32:05,630
ู†ุชู‚ูŠุฏ ุฏุงุฆู…ุงุฅู† ุงู„ else ุชุชุจุน ุฃู‚ุฑุจ F ุนู„ูŠู‡ุง ู…ุด ุงู„ F
462
00:32:05,630 --> 00:32:09,450
ุงู„ุจุนูŠุฏุฉุŒ ูˆุจุงู„ุชุงู„ูŠ ู„ุงุฒู… ู†ุตู„ุญ ู‡ุฐุง ุงู„ grammarุŒ ุทุจุนุง
463
00:32:09,450 --> 00:32:12,730
ุงู„ููƒุฑุฉ ูƒุงู†ุช ููŠ ุนู…ู„ูŠุฉ ุงู„ุชุตุญูŠุญ ุชุจุน ู‡ุฐุง ุงู„ grammar
464
00:32:12,730 --> 00:32:22,190
ูƒูŠูุŸ ุนู…ู„ ุญุงุฌุฉ ุงุณู…ู‡ุง matched statementุŒ ุฅูŠุด ุงู„
465
00:32:22,190 --> 00:32:28,710
matched statementุŸ ุฎู„ูŠ ุจุณ ู†ูƒุจุฑ ุดูˆูŠุฉุŒ ุทูŠุจ
466
00:32:31,810 --> 00:32:36,730
ุงู„ match statement ู…ุงุชุด ุจู‚ูˆู„ if expression then
467
00:32:36,730 --> 00:32:43,670
match statement else ุนู†ุฏูŠ statementุŒ ุงู†ุชุจู‡ูˆุง ุงู„ุดุฑุท
468
00:32:43,670 --> 00:32:50,850
ุงู†ู‡ ุงู„ else ู‡ุงูŠ ูˆ ุงู„ if ู‡ุงูŠุŒ ุนุดุงู† ู‡ุฐู‡ ุชุชุจุน ู‡ุงูŠ ู„ุงุฒู…
469
00:32:50,850 --> 00:32:56,490
ุฌูˆุง ูŠูƒูˆู† ุงู„ if ู…ุน ุงู„ else ู…ุนุงู†ุง ุนุดุงู† ุชุตูŠุฑ ู‡ุฐู‡ ุตุญ
470
00:32:57,670 --> 00:33:01,970
ุนุงุฑููŠู† ู„ูˆ ู‡ุฐู‡ ู…ุงูƒู†ุชุด F else ูˆูƒุงู†ุช F ุตุงุฑุช ุงู„ุฌู…ู„ุฉ
471
00:33:01,970 --> 00:33:04,790
ุบู„ุทุŒ ู„ูŠุดุŸ ู„ุฃู† ููŠ ุงู„ุญุงู„ุฉ ู‡ุฐู‡ ุงู„ else ุจุชุชุจุน ู„ู„ู€ F ู‡ูŠุŒ
472
00:33:04,790 --> 00:33:07,690
ู…ุงุจุชุชุจุนุด ุฏู‡ ุงู„ู€ F ู‡ูŠุŒ ุทุจ ุนุดุงู† ู‡ุฐู‡ ุงู„ู…ุดูƒู„ุฉ ู…ุง ุชุตูŠุฑุดุŒ
473
00:33:07,690 --> 00:33:12,510
ุฅูŠุด ุงู„ู…ุทู„ูˆุจุŸ ุงู„ู…ุทู„ูˆุจ ุฅู†ู‡ ู…ุงูŠุฌูŠุด ุจูŠู† ุงู„ F ูˆ ุงู„ else
474
00:33:12,510 --> 00:33:19,820
ุฅู„ุง F ู…ุน else ุชุจุนุชู‡ุงุŒ ุงู„ุงู† ุงู†ุง ุนู†ุฏู‰ F ูˆุนู†ุฏู‰ L ู…ู…ู†ูˆุน
475
00:33:19,820 --> 00:33:23,440
ููŠ ุงู„ู†ุต ูŠุฌู‰ F ู„ุญุงู„ุŒ ู„ุฃู† ู„ูˆ ุงุฌุช F ู„ุญุงู„ ู„ู„ุฃุณู ุงู„ L
476
00:33:23,440 --> 00:33:27,660
ู‡ุฐู‡ ู…ุด ู‡ุชุชุจุน ุฅู„ู‡ุง ูˆู‡ุฐุง ุบู„ุทุŒ ุทุจ ุฅูŠุด ุงู„ุญุงู„ุŸ ู‚ุงู„ ุถุฑูˆุฑูŠ
477
00:33:27,660 --> 00:33:32,040
ุฌุฏุง ุฃู†ู‡ ุฅุฐุง ุฃุฌู‰ ููŠ ุงู„ู†ุต ุฅุดูŠ ุจูŠู† ุงู„ F ูˆ ุงู„ L
478
00:33:32,040 --> 00:33:34,900
ุงู„ุฑุฆูŠุณูŠุงุช ุชูŠุฌูŠ ุงู„ F ู…ุน ุงู„ L ุชุจุนุชู‡ุง ูˆ ุจู‡ูŠูƒ ู…ูƒูˆู†
479
00:33:34,900 --> 00:33:38,320
ู…ุงููŠุด ู…ุดุงูƒู„ุŒ ู„ูŠุดุŸ ู„ุฃู† ุงู„ L ู‡ุฐู‡ ุชุจุนุช ู„ู„ F ู‡ุฐู‡ ูˆ
480
00:33:38,320 --> 00:33:41,560
ุจูŠุตูŠุฑ ู…ู†ุทู‚ูŠุง ุงู„ L ุงู„ูƒุจูŠุฑุฉ ุชุจุนุช ู„ู„ F ุงู„ูƒุจูŠุฑุฉุŒ ูู‡ุฐุง
481
00:33:41,560 --> 00:33:45,260
ุงู„ุดุฑุท ุงู„ุฑุฆูŠุณูŠ ุฃู†ู‡ ู…ู…ู†ูˆุนุจูŠู† ุงู„ if ูˆุงู„ else ูŠูŠุฌูŠ if
482
00:33:45,260 --> 00:33:51,020
ู„ุญุงู„ู‡ุŒ ู„ุงุฒู… ูŠูŠุฌูŠ if else ุนุดุงู† ู‡ูŠูƒ ุณู…ุงู‡ุง matchedุŒ ุทูŠุจ
483
00:33:51,020 --> 00:33:55,310
ุงู„ุณุคุงู„ ุทุจ ุจุนุฏ ุงู„ elseุŒ ู…ุงุฐุง ู‡ูˆ ุงู„ุดุฑุท ุจุนุฏ ุงู„ elseุŸ
484
00:33:55,310 --> 00:33:58,370
ู‚ุงู„ ู…ุด ู…ุดูƒู„ุฉุŒ ุจุนุฏ ุงู„ elseุŒ ุจุนุฏ ุงู„ else ุชูŠุฌูŠ if ู„ุญุงู„
485
00:33:58,370 --> 00:34:02,670
ุจู…ุดูŠ ุงู„ุญุงู„ุŒ ุชูŠุฌูŠ if else ุจู…ุดูŠ ุงู„ุญุงู„ุŒ ูˆุนุดุงู† ู…ุงูŠุตูŠุฑุด
486
00:34:02,670 --> 00:34:06,170
ambiguous ุนู…ู„ู‡ุง ู…ุฑุชูŠู†ุŒ ู‚ุงู„ ู‡ู†ุง match statement
487
00:34:06,170 --> 00:34:09,670
ุจูŠู†ู…ุง ู‡ู†ุง ุชุทู„ุนูˆุง ููŠ ุงู„ู„ูŠ ุชุญุช ููŠ ุงู„ openุŒ ู†ูุณ ุงู„ุฌู…ู„ุฉ
488
00:34:09,670 --> 00:34:13,490
ู‡ูŠ ุงู„ู„ูŠ ููˆู‚ ู‡ูŠ ู…ูˆุฌูˆุฏุฉ ุชุญุชุŒ ู„ูƒู† ููŠ ุงู„ุขุฎุฑ ุงูŠุด ุนู…ู„ุŸ
489
00:34:13,490 --> 00:34:16,710
open statementุŒ ุดุงูŠููŠู†ุŸ ู„ุฃู†ู‡ ู„ูˆ ุนู…ู„ ู‡ุฐู‡ match ุฒูŠู‡ุง
490
00:34:16,710 --> 00:34:18,690
ูˆ ู‡ุฐู‡ match ุฒูŠู‡ุง ู‡ุชุตูŠุฑ ambiguousุŒ ู‡ุชุตูŠุฑ ู‡ุฐู‡ ูˆ ู‡ุฐู‡
491
00:34:18,690 --> 00:34:21,320
ู…ุฑุชูŠู† ุจู‚ุฏุฑ ุฃุฌูŠุจู‡ู…ุŒ ูˆู„ูˆ ุนู…ู„ ู‡ุฐู‡ open ูˆ ู‡ุฐู‡ open
492
00:34:21,320 --> 00:34:23,560
ุจุชุตูŠุฑ ุจุฑุถู‡ ambiguousุŒ ุงู„ู„ูŠ ุจุชุตูŠุฑ ุจู‚ุฏุฑ ุฃุฎุฏ ุงู„ุญู„ ู‡ุฐุง
493
00:34:23,560 --> 00:34:27,220
ูˆ ุงู„ุญู„ ู‡ุฐุง ุนุดุงู† ู…ุงูŠุตูŠุฑุด ambiguous ุฌุงู„ูƒ ุฎู„ุงุต ูˆุงุญุฏุฉ
494
00:34:27,220 --> 00:34:30,960
ููŠ ุงู„ู†ู‡ุงูŠุฉ match ูˆ ูˆุงุญุฏุฉ ููŠ ุงู„ู†ู‡ุงูŠุฉ openุŒ ูŠุนู†ูŠ ู…ุด
495
00:34:30,960 --> 00:34:33,700
ูุงุฑู‚ุฉ ู…ุนุงู‡ ุจุนุฏ ุงู„ else ุฅูŠุด ูŠุฌูŠ ูŠุฌูŠ ูƒุฏู‡ ูˆู„ุง ูŠุฌูŠ ูƒุฏู‡
496
00:34:33,700 --> 00:34:38,050
ู…ุด ูุงุฑู‚ุฉ ู…ุนุงู‡ุŒ ู„ูƒู† ุงู„ู„ูŠ ูุงุฑู‚ ู…ุนุงู‡ ููŠ ุงู„ุญุงู„ุชูŠู†ุทู„ุนูˆุง
497
00:34:38,050 --> 00:34:41,510
ุจูŠู† ุงู„ F ูˆ ุงู„ S ู…ู…ู†ูˆุน ูŠุฌูŠ ุฅู„ุง matchedุŒ ุจูŠู† ุงู„ F ูˆ
498
00:34:41,510 --> 00:34:45,670
ุงู„ S ู…ู…ู†ูˆุน ูŠุฌูŠ ุฅู„ุง matchedุŒ ู‡ุฐู‡ ุจุงุฎุชุตุงุฑุŒ ุทูŠุจ ูˆุงุญุฏ
499
00:34:45,670 --> 00:34:48,810
ู‡ูŠู‚ูˆู„ ุทุจ ุฃู†ุง ูŠู…ูƒู† ู…ุงูŠุฌูŠุด F else ุจุงู„ู…ุฑุฉุŒ ุจู†ู‚ูˆู„ู‡ ุตุญูŠุญ
500
00:34:48,810 --> 00:34:51,730
ูƒู„ุงู…ูƒ ู…ุนู†ุงู‡ ุฃู†ุช ุงู„ statement ู‡ูŠ open ูˆ ุงู„ open
501
00:34:51,730 --> 00:34:54,490
ุฎู„ุงุต F expression ุฏู‡ ุงู„ statement ูˆ ุฎู„ุตู†ุง ู…ุงููŠุด
502
00:34:54,490 --> 00:34:57,600
ู…ุดุงูƒู„ุŒ ู„ูƒู† ุงุญู†ุง ุงู„ู…ุดูƒู„ุฉ ุชุจุนุชู†ุง ู„ูˆ ูƒุงู† ููŠ else ู‡ู†ุง
503
00:34:57,600 --> 00:35:01,540
ู„ุงุฒู… ูˆุงุญุฏ ูŠุงุฎุฏ ุจุงู„ู‡ ุงู† ุงู„ if ูˆ ุงู„ else ุนุดุงู† ูŠุตูŠุฑูˆุง
504
00:35:01,540 --> 00:35:05,660
ุตุญ ููŠ ุงู„ู†ุต ู…ุงุชูŠุฌูŠุด if ู„ุญุงู„ู‡ุง ูˆ ู„ุงุฒู… ูŠุฌูŠ ุงู„ else ู…ุน
505
00:35:05,660 --> 00:35:09,000
ุจุนุถ ุนุดุงู† ุชุตูŠุฑ ุงู„ุนู…ู„ูŠุฉ ูƒู„ู‡ุง ุตุญุŒ ู„ูƒู† ุจุนุฏ ุงู„ else ู…ุด
506
00:35:09,000 --> 00:35:12,820
ูุงุฑู‚ุฉ ู…ุนุงูŠุง ูŠูŠุฌูŠ matched ูˆู„ุง ูŠูŠุฌูŠ open ู…ุด ูุงุฑู‚ุฉ
507
00:35:12,820 --> 00:35:15,940
ู…ุนุงูŠุง ูˆ ู„ูˆ ู…ู† ุงู„ุจุฏุงูŠุฉ ู…ุงุจุฏูŠ if ูˆ else ุฎู„ุงุต ุจุฏูŠ if
508
00:35:15,940 --> 00:35:18,940
ู„ุญุงู„ู‡ุง ู…ุงููŠุด ู…ุดูƒู„ุฉุŒ ูุงู„ุงู‡ู… ุงู„ statement ู‡ูŠ ู†ูˆุนูŠู†
509
00:35:18,940 --> 00:35:22,480
open ุนุงุฏูŠุฉ ุจุฏูˆู† if else ูˆ ุงู„ match ุงู„ู„ูŠ ู‡ูŠ ุงู„ if
510
00:35:22,480 --> 00:35:27,860
else ุถู…ู† ุงู„ุดุฑูˆุท ุงู„ู„ูŠ ุงุชูƒู„ู…ู†ุง ุนู†ู‡ุงุŒ ุทูŠุจ ุขุฎุฑ section
511
00:35:27,860 --> 00:35:32,420
ุจุฏู†ุง ู†ุดุฑุญู‡ ุงู„ูŠูˆู… ุงู„ู„ูŠ ู‡ูˆ eliminating ู„ู„ lift
512
00:35:32,420 --> 00:35:38,540
recursionุŒ ุทุจุนุง ุงู„ุจุนุถ ู‡ูŠู‚ูˆู„ ู„ูŠ ุทุจ ุงุญู†ุง ุฃุฎุฏู†ุง ูƒูŠู
513
00:35:38,540 --> 00:35:45,420
ู†ุดูŠู„ ุงู„ lift recursion ู‚ุจู„ ู‡ูŠูƒุŒ ุทุจุนุง
514
00:35:45,420 --> 00:35:48,540
ุฃุฎุฏู†ุงู‡ุง ู‚ุจู„ ู‡ูŠูƒ ูˆู‡ูŠ ุจุณ ุจุฏูŠ ุฃูƒุชุจ .. ุฃูˆุฑุฌูŠูƒูˆุง
515
00:35:48,540 --> 00:35:48,980
ุงู„ู‚ุงู†ูˆู†
516
00:35:54,940 --> 00:35:58,380
ู„ูˆ ุฃู†ุง ุนู†ุฏูŠ ุงู„ a ุจุงู„ุตูˆุฑุฉ ู‡ุฐู‡ a alpha ุฃูˆ betaุŒ ู‚ู„ู†ุง
517
00:35:58,380 --> 00:36:01,240
ุฒู…ุงู† ุฅูŠุด ู‡ู†ุณูˆูŠุŒ ุฎู„ุงุต ู‡ู†ุงุฎุฏ ุงู„ beta ุงู„ู„ูŠ ู…ุงููŠุด ููŠู‡ุง
518
00:36:01,240 --> 00:36:05,340
ุงู„ู…ุดูƒู„ุฉ a ุนุจุงุฑุฉ ุนู† beta ููŠ a bar ูˆุจุนุฏูŠู† ู†ุณูŠุจ ู†ู‚ูˆู„
519
00:36:05,340 --> 00:36:08,760
ุงู„ a bar ู‡ุฐู‡ ุนุจุงุฑุฉ ุนู† ุฅูŠุดุŒ ู†ุฎุจ ุงู„ู„ูŠ ููŠู‡ุง ุงู„ู…ุดูƒู„ุฉ ูˆ
520
00:36:08,760 --> 00:36:11,680
ู†ู‚ูˆู„ alpha ููŠ a bar ุฃูˆ epsilonุŒ ูู‡ุฐุง already ุงุญู†ุง
521
00:36:11,680 --> 00:36:16,150
ุฎุฏู†ุงู‡ุงุŒ ุทุจ ู‡ูˆ ู„ูŠุด ู…ุฐูƒูˆุฑ ุงู„ุฏุฑุณ ู‡ุฐุง ู‡ู†ุง ูƒู…ุงู† ู…ุฑุฉุŸ ู„ุฃู†
522
00:36:16,150 --> 00:36:20,370
ุฃุญูŠุงู†ุง ู…ู…ูƒู† ูŠูƒูˆู† ุงู„ left recursion ู…ุฎุจุฃุŒ ูƒูŠู ูŠุนู†ูŠ
523
00:36:20,370 --> 00:36:27,030
ู…ุฎุจุฃุŸ ูŠุนู†ูŠ ุฃุฌูŠ ุฃู‚ูˆู„ ู…ุซู„ุง ุงู„ A ุจุชุนุทูŠู†ูŠ B ุฒุงุฆุฏ LุŒ ูˆ
524
00:36:27,030 --> 00:36:30,470
ุฃุฌูŠ ุฃู‚ูˆู„ ู…ุซู„ุง ุงู„ B ุจุชุนุทูŠู†ูŠ
525
00:36:33,000 --> 00:36:39,980
ู…ุซู„ุง a ุฒุงุฆุฏ wุŒ ู„ุงุญุธูˆุง ููŠ left recursion ู…ุฎุจุฃุŒ ู„ูŠุดุŸ
526
00:36:39,980 --> 00:36:44,720
ู„ุฃู† ู„ูˆ ุฃู†ุง ุดูŠู„ุช ุงู„ b ูˆ ุนูˆุถุช ุนู†ู‡ ุจู‚ูŠู…ุฉ ุงู„ a ู‡ูŠุตูŠุฑ
527
00:36:44,720 --> 00:36:47,280
ุงู„ a ููŠ ุงู„ุฃูˆู„ ูˆ ุงู„ a ููŠ ุงู„ุฃูˆู„ ูุจุตูŠุฑ ููŠ ุนู†ุฏูŠ ู…ุดูƒู„ุฉ
528
00:36:47,280 --> 00:36:50,560
ุจุตูŠุฑ ููŠ ุนู†ุฏูŠ left recursionุŒ ุทุจ ุดูˆ ุงู„ุญู„ุŸ ูƒูŠู ู†ุดุชุบู„ุŸ
529
00:36:50,560 --> 00:36:55,330
ูƒูŠู ู†ุญู„ุŸ ุฌุงู„ ุจุฏู†ุง ู†ุตูŠุฑ ุงู†ุนูˆุถุŒ ุทุจ ุงุนูˆุถ ู…ูŠู† ู…ูƒุงู† ู…ูŠู† ูˆ
530
00:36:55,330 --> 00:36:58,570
ู„ุง .. ูˆ ู„ุง .. ุจุตุฏูุฉ ุงุดุชุบู„ ูˆ ู„ุง ูƒูŠู ู†ุณูˆูŠุŒ ุชุนุงู„ูŠ ู†ุงุฎุฏ
531
00:36:58,570 --> 00:37:03,730
ู…ุซุงู„ ูˆ ู†ุดูˆู ูƒูŠู ุนู…ู„ุช ุงู„ุชุนูˆูŠุถ ุจุงู„ุธุจุทุŒ ุจุฏู‡ุง ุชุตูŠุฑ ุนู„ู‰
532
00:37:03,730 --> 00:37:09,330
ู‡ุฐุง ุงู„ู…ุซุงู„ุŒ ุทุงู„ุน
533
00:37:09,330 --> 00:37:13,590
ู…ุนุงูƒ ูˆ ู‡ู„ ุฏุงุฆู…ุง ุงุนูˆุฏ ูˆ ู„ุง ู…ุด ุฏุงุฆู…ุง ุงุนูˆุฏ ูˆ ู„ุง ูƒูŠู
534
00:37:13,590 --> 00:37:18,750
ุงู„ู‚ุตุฉ ุจุฏู‡ุง ุชุตูŠุฑ ุจุงู„ุธุจุทุŒ ุฌุงู„ูƒ ุฃูˆู„ ุญุงุฌุฉ ุจุงู„ู†ุณุจุฉ
535
00:37:18,750 --> 00:37:25,540
ู„ู„ุชุนูˆูŠุถู…ู…ู†ูˆุน ุงุชุนูˆุฏ ุงู„ู„ูŠ ููˆู‚ ุชุญุชุŒ ุงูŠุด ุจุชุนูˆุฏุŸ ูŠุนู†ูŠ
536
00:37:25,540 --> 00:37:31,360
ู…ุซู„ุง ุฃู†ุง ุจุงุฏูŠ ููŠ ุงู„ SุŒ ุงู„ S ููŠู‡ุง A ุตุญุŸ ุทุจ ุงู„ A
537
00:37:31,360 --> 00:37:35,180
ู…ุชุฌุงูŠุฉุŒ ุงู„ A ุฌุงูŠุฉ ู„ุณู‡ ุจุนุฏ ุดูˆูŠุฉุŒ ุฌุงูŠุฉ ููŠ ุงู„ู…ุณุชู‚ุจู„ ู…ุด
538
00:37:35,180 --> 00:37:39,720
ู‡ุนูˆุฏุŒ ุฎู„ุงุต ุบู„ุทุŒ ุชูŠุฌูŠ ู…ู† ุชุญุช ุชุชุนูˆุฏ ููˆู‚ ุฎู„ุงุต ุชุดุชุบู„ S
539
00:37:39,720 --> 00:37:43,440
ุจุชุชุทู„ุน ููŠู‡ุง ุนุงุฏูŠ ุฒูŠ ู…ุง ูƒู†ุง ู†ุชุทู„ุน ุฒู…ุงู† ู…ุงููŠุด lift
540
00:37:43,440 --> 00:37:47,280
recursionุŒ ุฎู„ุงุต ุจู‚ูˆู„ู‡ ู…ุงููŠุด lift recursion ุงู†ุชู‡ุชู„ูƒู†
541
00:37:47,280 --> 00:37:52,940
ุชุนุงู„ู‰ ู„ู…ุง ุชุฌู‰ ุชุดุชุบู„ ุนู„ู‰ AุŒ ุงู„ A ููŠู‡ุง S ุงู‡ุŒ ุทุจ ุงู„ S
542
00:37:52,940 --> 00:37:57,220
ุจูŠู†ุช ู…ุนุงู‰ ู‚ุจู„ ุดูˆูŠุฉ ููˆู‚ ู‡ู†ุงุŒ ุฅุฌุจุงุฑู‰ ู„ุงุฒู… ุงู„ S ุชุนูˆุถ
543
00:37:57,220 --> 00:38:01,880
ููŠู‡ุงุŒ ุทุงู„ู…ุง ุธู‡ุฑุช ู‚ุจู„ูŠ ู„ุงุฒู… ุฃุฎุฏู‡ุง ุฃุนูˆุถ ููŠู‡ุงุŒ ู„ูƒู† ุฅุด
544
00:38:01,880 --> 00:38:05,520
ุจูŠุฌูŠู†ู‰ ุจุนุฏู‰ ุจุนูˆุถุด ููŠู‡ุŒ ูุนุดุงู† ู‡ูŠูƒ ุฃู†ุง ู…ุงุนูˆุถุชุด ุงู„ A
545
00:38:05,520 --> 00:38:09,380
ููŠ ุงู„ S ู„ุฃู† ุงู„ A ุฌุงูŠุฉ ุจุนุฏ ุงู„ S ู„ูƒู† ู‡ู†ุง ุนูˆุถุช ุงู„ S
546
00:38:09,380 --> 00:38:13,520
ููŠ ุงู„ A ู„ุฃู† ุงู„ S ูƒุงู†ุช ู‚ุจู„ู‰ุŒ ุฃู†ุง ุจู‡ู…ู†ู‰ ู…ูˆุถูˆุน ุงู„ุชุฑุชูŠุจ
547
00:38:13,520 --> 00:38:18,900
ุฅุฐุง ูƒูŠู ู‡ู†ุดุชุบู„ ู‡ุงู†ุŸ ุทุจุนุง ู‡ู†ุง ู„ุงุญุธูˆุง ุงู† ุงู„ lift
548
00:38:18,900 --> 00:38:23,340
recursion ู…ุฎุจุฃุŒ ู„ูŠุด ู…ุฎุจุฃุŸ ู„ุฃู†ู‡ ู„ูˆ ุงุชุนูˆุฏุช ุงู„ S ุฌูˆุง
549
00:38:23,340 --> 00:38:26,940
ู‡ูŠุธู‡ุฑ ูƒู…ุงู† A ููŠ ุงู„ุจุฏุงูŠุฉ ูุจุฏูƒ ุชู†ุชุจู‡ ู„ู„ู‚ุตุฉ ู‡ุฐู‡ุŒ ุทุจ
550
00:38:26,940 --> 00:38:33,140
ูƒูŠู ู‡ู†ุนูˆุถุŸ ูƒูŠู ู‡ุชุตูŠุฑ ุงู„ุฌู…ู„ุฉุŸ ู‡ุชุตูŠุฑ ุฒูŠ ู‡ูŠูƒุŒ A A C ุฃูˆ
551
00:38:33,140 --> 00:38:40,390
ุชู…ุงู…ุŸ ุงู„ุขู† ุนูˆุถ ุนู† ุงู„ SุŒ ู‡ู†ุงุนู†ุฏูŠ ุนุจุงุฑุฉ ุนู† ุงูŠุดุŸ ุง ุง
552
00:38:40,390 --> 00:38:45,590
ุดุงูŠููŠู† ุฃูˆ ุจูŠู‡ ุฏูŠ ูƒู„ู‡ุง ุงู„ุงุณ ูŠุนู†ูŠ ุฌูŠุจุชู‡ุง ูƒู„ู‡ุง ูˆ ุจุฏู‰
553
00:38:45,590 --> 00:38:50,150
ุงุถุฑุจู‡ุง ููŠ ู…ูŠู†ุŸ ููŠ ุฏูŠ ูˆ ุงุถูŠู ุงู„ epsilonุŒ ุงู„ุงู† ู‡ุฏ ุงูŠุด
554
00:38:50,150 --> 00:39:00,250
ุจุชุตูŠุฑ ู‡ุฏุŸ ูุงูƒููƒูˆู‡ุง ุนุจุงุฑุฉ ุนู† a a c ุฃูˆ a a d ุดุงูŠููŠู†ุŸ
555
00:39:00,250 --> 00:39:07,070
ุฃูˆ B,D ุฃูˆ EpsilonุŒ ุงู„ุงู† ุฎู„ุงุต ุตุงุฑุช ุจุงู„ู†ุณุจุฉ ู„ู†ุง ุณู‡ู„ ุงู†
556
00:39:07,070 --> 00:39:09,350
ู†ุดูŠู„ ุงู„ left recursion ุฒูŠ ู…ุง ูƒู†ุง ู†ุนู…ู„ ุฒู…ุงู†ุŒ ูˆุงุถุญ ุงู„
557
00:39:09,350 --> 00:39:12,530
production ู‡ูŠ ุงูŠู‡ุŒ ู‡ู†ุง left recursion ูˆ ู‡ู†ุง ููŠู‡
558
00:39:12,530 --> 00:39:14,870
left recursion ูˆ ู‡ู†ุง ู…ุงููŠุด ูˆ ู‡ู†ุง ู…ุงููŠุดุŒ ูุฎู„ุงุต ุงู„ุงู†
559
00:39:14,870 --> 00:39:17,410
ู‡ุชุดุชุบู„ูˆู‡ุง ุถู…ู† ุงู„ู‚ูˆุงู†ูŠู† ุงู„ู„ูŠ ุงุชุนู„ู…ู†ุงู‡ุง ู‚ุจู„ ู‡ูŠูƒุŒ ุจุณ
560
00:39:17,410 --> 00:39:20,110
ูƒุงู†ุช ุงู„ trick ุงู„ุฌุฏูŠุฏุฉ ุฃูˆ ูƒุงู†ุช ุงู„ุฅุถุงูุฉ ุงู„ุฌุฏูŠุฏุฉ ููŠ
561
00:39:20,110 --> 00:39:24,520
ู‡ุฐุง ุงู„ุฏุงุฑุณ ู…ูŠู† ุฃุนูˆุถ ู…ูƒุงู† ู…ูŠู† ุจุณ ูƒุงู†ุช ุงู„ trick
562
00:39:24,520 --> 00:39:28,320
ุงู„ุฌุฏูŠุฏุฉ ุฃูˆ ุงู„ุดูŠุก ุงู„ุบุงุฆุจ ุฒู…ุงู† ุฃู†ู‡ ู…ู…ูƒู† ูŠูƒูˆู† ุงู„ left
563
00:39:28,320 --> 00:39:31,520
recursion ู…ุฎุจุฃ ุฒูŠ ู‡ุฐุง ุงู„ู…ุซุงู„ ุฃู†ุง ู„ู…ุง ุชุนูˆุถุช ุงูƒุชุดูุช
564
00:39:31,520 --> 00:39:34,740
ุฃู†ู‡ ููŠ left recursion ุฒู…ุงู† ู…ุง ูƒู†ุชุด ุฃุนูˆุถ ุนุดุงู† ู‡ูŠูƒ
565
00:39:34,740 --> 00:39:38,380
ุจุฏูƒ ุชู†ุชุจู‡ูŠ ุฃู†ู‡ ูƒูŠู ุนู…ู„ูŠุฉ ุงู„ุชุนูˆูŠุถ ุจุชุชู… ุนุดุงู† ุฃู†ุง
566
00:39:38,380 --> 00:39:43,640
ุฃู‚ูˆู„ ููŠ left recursion ูˆู„ุง ู„ุฃุŸ ุทุจุนู‹ุง ููŠ ู†ุงุณ ุดุงุทุฑูŠู†
567
00:39:43,640 --> 00:39:48,300
ู…ุฑุงุช ุจูŠู‚ูˆู„ูˆุง ู…ุง ููŠุด ุฏุงุนูŠ ู„ู„ุชุนูˆูŠุถ ูŠุนู†ูŠ ูƒูŠู ุดุงุทุฑูŠู†
568
00:39:48,300 --> 00:39:52,960
ูŠุนู†ูŠ ู…ุซู„ู‹ุง ุฎู„ูŠู†ูŠ ุฃู…ุณุญ ุงู„ู„ูŠ ูƒุชุจุชู‡ ุฃู†ุง ูŠุนู†ูŠ ู„ูˆ ูุฑุถู†ุง
569
00:39:52,960 --> 00:40:00,400
ุฌุฏู„ู‹ุง ุฃู†ู‡ ุฃู†ุง ูƒุงุชุจ ู‡ู†ุง ุฒุงุฆุฏ A A ุฒุงุฆุฏ ูููŠ ู†ุงุณ
570
00:40:00,400 --> 00:40:03,820
ุจูŠู‚ูˆู„ูˆุง ุทุจ ุฃู†ุง ู„ูŠุด ุฃุนูˆุถ ุนู† ุงู„ S ุทุงู„ู…ุง ู‡ูŠ ุจุชุจุฏุฃ
571
00:40:03,820 --> 00:40:07,280
ุจุฒุงุฆุฏ ูˆุจุชุจุฏุฃุด ุจ A ูŠุนู†ูŠ ุงู„ูุงุถูŠ ุตุญุŸ ู„ูˆ ุนูˆุถุช ู…ุด ุบู„ุท
572
00:40:07,280 --> 00:40:10,320
ู„ูƒู† ุงู„ุชุนูˆูŠุถ ู…ุด ู‡ูŠุฌูŠุจ ู„ูŠ left recursion ูŠุนู†ูŠ ู‡ูŠุฌูŠุจ ู„ูŠ
573
00:40:10,320 --> 00:40:13,680
ุฌู…ู„ุฉ ุนุงุฏูŠุฉ ูุงู„ุดุงุทุฑูŠู† ุฅูŠุด ุจูŠู‚ูˆู„ูˆุงุŸ ุจูŠู‚ูˆู„ูˆุง ู…ุง ููŠุด ุฏุงุนูŠ
574
00:40:13,680 --> 00:40:17,820
ู„ู„ุชุนูˆูŠุถ ู„ุฃู†ู‡ ู„ูˆ ุญุชู‰ ุนูˆุถุช ุงู„ A ู…ุด ู‡ุชุธู‡ุฑ ููŠ ุงู„ุฃูˆู„ ู„ุฃู†
575
00:40:17,820 --> 00:40:21,740
ู‡ูŠ ู…ุด ููŠ ุงู„ุฃูˆู„ ููŠ ู†ุงุณ ุดุงุทุฑูŠู† ู‚ุจู„ ู…ุง ูŠุนูˆุถูˆุง ุจูŠููƒุฑูˆุง
576
00:40:21,740 --> 00:40:24,820
ู‡ู„ ุงู„ุชุนูˆูŠุถ ู…ู…ูƒู† ูŠุฌูŠุจ ุงู„ left recursion ูˆู„ุง ู…ุด ู…ู…ูƒู†ุŸ
577
00:40:24,820 --> 00:40:28,440
ุฅุฐุง ูƒุงู† ุงู„ุชุนูˆูŠุถ ุจูŠุฌูŠุจ ุงู„ left recursion ู„ุงุฒู… ุฃุนูˆุถ
578
00:40:28,440 --> 00:40:31,460
ูˆู„ุงุฒู… ุฃุดูŠู„ู‡ ู„ูˆ ูƒุงู† ุงู„ุชุนูˆูŠุถ ุจูŠุฌูŠุจุด ุงู„ left
579
00:40:31,460 --> 00:40:35,620
recursion ุฃู†ุช ู…ุฎูŠู‘ุฑ ุนูˆุถุชูŠ ุตุญ ู…ุง ุนูˆุถุชูŠุด ุตุญ ู„ูƒู† ู„ูŠุด
580
00:40:35,620 --> 00:40:38,200
ุชุถูŠุนูŠ ูˆู‚ุช ุทุงู„ู…ุง ุจูŠุฌูŠุจุด ุงู„ left recursion ุจุณ
581
00:40:38,200 --> 00:40:40,560
ูˆุงู„ู†ู‚ุทุฉ ุงู„ุซุงู†ูŠุฉ ุงู„ุฑุฆูŠุณูŠุฉ ุงู„ู„ูŠ ู‚ู„ู†ุง ุนู†ู‡ุง ู‚ุจู„ ุดูˆูŠุฉ
582
00:40:40,560 --> 00:40:45,380
ู…ู…ู†ูˆุน ุฃุนูˆุถ ุงู„ู„ูŠ ุชุญุช ููˆู‚ ู„ุงุฒู… ุงู„ู„ูŠ ููˆู‚ ุจุชุนูˆุฏ ุชุญุช
583
00:40:45,380 --> 00:40:51,320
ูŠุนู†ูŠ ู…ุซู„ู‹ุง ู„ูˆ ุฃู†ุง ุนู†ุฏูŠ ููŠ ุงู„ A ููŠ ุนู†ุฏูŠ X ูˆ ุงู„ X
584
00:40:51,320 --> 00:40:56,380
ูƒุงู†ุช ูˆุฑุงูŠุง ูˆุจุชุจุฏุฃ ุจ A ู…ู…ู†ูˆุน ุฃุนูˆุถ ููŠ ุงู„ X ุทุจ ุฅุฐุง ุงู„
585
00:40:56,380 --> 00:40:59,480
X ูƒุงู†ุช ููˆู‚ ูˆุจุชุจุฏุฃ ุจุงู„ A ุขู‡ ุจุนูˆุถ ุจุงู„ X ูุงู†ุชุจู‡ูˆุง
586
00:40:59,480 --> 00:41:03,920
ู„ู„ุชุฑุชูŠุจ ุฒูŠ ู…ุง ุจุฏุฃู†ุง ุงู„ S ู…ุง ูƒุงู†ุชุด ุดุงูŠูุฉ ุงู„ A ูู…ุง ุนูˆุถุชุด
587
00:41:03,920 --> 00:41:07,160
ู„ูƒู† ู„ู…ุง ูƒู†ุช ููŠ ุงู„ A ูƒู†ุช already ุดุงูŠู ุงู„ S ูุฑูˆุญ
588
00:41:07,160 --> 00:41:10,880
ุงุชุนูˆุถุช ูุงู„ุตุญ ุฏุงุฆู…ู‹ุง ุฃู†ู‡ ู„ู…ุง ูŠูƒูˆู† ููŠ ุงุดุชุจุงู‡ ู„ left
589
00:41:10,880 --> 00:41:14,860
recursion ู…ุฎุจุฃ ุจู†ุนูˆุถ ูˆุจุนุฏ ู…ุง ู†ุฎู„ุต ุงู„ุชุนูˆูŠุถ ุฅุฐุง ููŠ
590
00:41:14,860 --> 00:41:18,360
left recursion ุจู†ุดูŠู„ู‡ ุฒูŠ ู…ุง ุชุนู„ู…ู†ุง ููŠ ุงู„ุดุงุจุชุฑ
591
00:41:18,360 --> 00:41:21,820
ุงู„ุณุงุจู‚ุฉ ู…ู† ุงู„ left recursion ูˆุจู‡ูŠูƒ ูŠุนุทูŠูƒู… ุงู„ุตุญุฉ
592
00:41:21,820 --> 00:41:24,860
ูˆุงู„ุนุงููŠุฉ ู‡ูŠูƒ ุฎู„ุตู†ุง ุฅู† ุดุงุก ุงู„ู„ู‡ ูˆุงู„ู…ุฑุฉ ุงู„ู‚ุงุฏู…ุฉ ุฅู†
593
00:41:24,860 --> 00:41:27,410
ุดุงุก ุงู„ู„ู‡ ู†ุณุชูƒู…ู„ ููŠ ุงู„ lift factoring ูˆุงู„ุณูƒุงุดู†
594
00:41:27,410 --> 00:41:29,530
ุงู„ู‚ุงุฏู… ุฅู† ุดุงุก ุงู„ู„ู‡ ูŠุนุทูŠูƒู… ุงู„ุตุญุฉ ูˆุงู„ุนุงููŠุฉ ุงู„ุณู„ุงู…
595
00:41:29,530 --> 00:41:29,790
ุนู„ูŠูƒู