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Kunyora Prolog kuenda Kumberi [pdf]

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8 min read Via vfxforth.com

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Hacker News

Iyo Isingaite Convergence: Logic Programming Inosangana Neyakaderera-Level Kuitwa

Nyika dzeProlog neForth dzinomiririra mbiri yakanyanyisa yehuzivi hwehurongwa. Prolog, yepamusoro-level logic programming mutauro, yakavakirwa pane inoyevedza kutorwa kwehukama hune musoro, kuenzanisa patani, uye kuzivisa kugadzirisa matambudziko. Kumberi, nekusiyana, ndiyo epitome yeyakaderera-chikamu, stack-yakavakirwa-yakakosha mutauro, yakakosheswa nekuda kwayo minimalism, yakananga hardware kutonga, uye kupisa kunopisa kukurumidza kuuraya. Pfungwa yekubatanidza yekutanga kuita yekupedzisira ingaita sekushandura nhetembo kuita kodhi yegungano — chiitiko chedzidzo chekushandisa kunomutsa mubvunzo. Nekudaro, maitiro ekugadzira Prolog kuForth inonakidza tekinoroji feat inoratidza yakadzama nzwisiso mumitauro miviri uye inopa inomanikidza nzira yekugadzira inoshanda zvakanyanya, inotakurika logic programming system. Kumabhizinesi anoshandisa modular sisitimu yekushandisa seMewayz, yakadzama-level optimization inosimbisa simba rekubatanidza akasarudzika, epamusoro-soro maturusi mukufamba kwakabatana kwekushanda.

Deconstructing Prolog: Kubva Kubatana kuenda kuStack Operations

Chinetso chikuru cheiyi nzira yekubatanidza iri mukududzira Prolog's abstract computational modhi muForth's kongiri, nhanho-ne-nhanho mirairo. Kuitwa kweProlog kunofambiswa nemaitiro maviri akakosha: kubatanidza (maitiro ekufananidza mazwi ane musoro) uye kudzosera kumashure (kutsvaga kwedzimwe mhinduro). A Prolog-to-Forth compiler anofanira kugadzirisa aya epamusoro-level concepts kuita akatevedzana epazasi-level mashandiro. Kubatana, semuenzaniso, kunova kutevedzana kwemaitiro ekugadzirisa-kusundidzira mazwi, achiaenzanisa, uye kugadzirisa zvinosiyana zvinosungirwa. Iyo compiler inofanirwa kuburitsa Forth kodhi iyo inogona kuyambuka yakaoma data zvimiro (semiti inomiririra mazwi ane musoro) uye kuchengetedza nharaunda umo zvinosiyana zvinogona kuisirwa uye gare gare "un-instantiated" panguva yekudzokera shure. Izvi zvinoda mhando yenguva yekumhanya yakavakirwa pamusoro pemazwi akakosha aForth.

Kushandisa Backtracking: Mwoyo Wekutsvaga

Pamwe chikamu chakaomesesa chekubatanidza ndechekuita Prolog's backtracking search algorithm. MuProlog, kana chinangwa chikatadza, injini inodzokera kune yekupedzisira sarudzo poindi uye inoedza imwe nzira. Kuti udzokorore izvi muForth, mugadziri anofanirwa kugadzira nzira yekuchengetedza uye kudzoreredza mamiriro emakomputa. Izvi zvinowanzoitwa uchishandisa Forth's data stack uye, zvakanyanya, yakaparadzana kudzoka stack kana yakatsaurirwa ndangariro dunhu kuchengetedza sarudzo mapoinzi. Nzvimbo yekusarudza mufananidzo wemamiriro emuchina-kusanganisira zvinosungirirwa zvakasiyana-siyana, kodhi yazvino inongedza, uye mamwe ma clause achayedzwa. Iyo kodhi yakabatanidzwa inosanganisira mirairo yekusundidzira poindi yekusarudza pastack pese apo chiumbwa chine akawanda anowirirana clause. Pakutadza, iyo yekumhanyisa system inoburitsa yazvino sarudzo poindi, inodzoreredza nyika, uye inosvetukira kune inotevera isina kuedzwa clause. Kutamba kwakanaka uku, kana kwakaoma, kunoshandura Forth's deterministic flow into Prolog's non-deterministic search.

"Kunyora mutauro wepamusoro-soro seProlog kune chinangwa chepasi-chepamusoro seForth haisi kungoshandurwa kwe syntax; ndiko kufungidzira zvakare kweabstract machine model uchishandisa maitiro ekare eimwe. Kubudirira kwechiitiko chakadaro kunobva pakugadzira hurongwa hwekushanda hunobudirira hunogona kutendeka kutevedzera kubatana uye backtracking-based architecture. "

Zvinoita Zvinoreva uye Mewayz Connection

Sei kuita basa rakaoma kudai? Mabhenefiti akakosha. Forth inozivikanwa nekugoneka kwayo uye diki ndangariro tsoka. Iyo Prolog sisitimu inounganidzwa kuForth inogona kumhanya pane yakadzamirwa masisitimu, mamicrocontrollers, kana chero chikuva chine muturikiri weForth, ichiunza ane simba logic programming nharaunda kune zviwanikwa-zvakamanikidzwa nharaunda. Uyezve, iyo inokonzeresa sisitimu inogona kukurumidza kukurumidza, sezvo iyo kodhi kodhi yakaonda uye inoitisa ine shoma pamusoro. Uhwu huzivi hwekugadzira akakwenenzverwa, ane chinangwa-akavakirwa mamodule anowirirana zvakakwana neMewayz modular bhizinesi OS. Mewayz inobudirira mukubatanidza zvikamu zvine hunyanzvi zvinoita mabasa azvo nehunyanzvi hwepamusoro.

Fungidzira kudzvanya injini yemitemo yekuita sarudzo dzakaoma zvakananga mukati meMewayz module. Kana iyo injini iri Prolog compiler yakanangana neanokurumidza, inotakurika Forth virtual muchina, inogona kugadzirisa bhizinesi logic nekumhanya kwakasiyana uye kuvimbika, yakazvimirira pane iri pasi pehardware. Mabhenefiti akakosha emaitiro akadai anosanganisira:

  • Extreme Portability: Mhanya zvine hungwaru hwebhizinesi pane zvakasiyana siyana zvemidziyo, kubva kumaseva kuenda kumucheto kwekombuta.
  • Kuita Kwepamusoro: Wana kuita nekukurumidza nekupfuura zvikamu zvekuturikira zvinozivikanwa mumashandisirwo akajairwa eProlog.
  • Small Footprint: Gadzira maapplication ane simba ane ndangariro shoma uye zvinodiwa pakuchengeta.
  • Kubatanidzwa Kwakadzika: Sanganisa zvisina musono chirongwa chepfungwa sechikamu chemuno mukati meiyo hombe modular system.

Mhedziso: Bhiriji Pakati PemaParadigms

Kugadzira Prolog kuenda kuForth chiratidzo chekuchinjika kwemitauro miviri. Zvinotaridza kuti kunyangwe iwo abstract programming paradigms anogona kudzikwa mune inoshanda, yakaderera-level execution modhi. Kunyange ichiramba iri niche nzvimbo yekugadzira dhizaini, misimboti inosanganisirwa-inoshanda ndangariro manejimendi, runtime state tracking, uye muchinjiko-paradigm dudziro-akakosha pasi rose. Kune mapuratifomu akaita seMewayz anokoshesa modularity uye kuita, rudzi urwu rwekudzika kwehunyanzvi hwekubatanidza ndiyo kiyi yekuvaka yakasimba uye inochinjika mabhizinesi masisitimu. Nekunzwisisa mabhiriji enyika dzemakombuta dzakasiyana siyana, tinovhura mikana mitsva yekuisa pfungwa dzine njere padzinodiwa.

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Mibvunzo Inowanzo bvunzwa

Iyo Isingaite Convergence: Logic Programming Inosangana Neyakaderera-Level Kuitwa

Nyika dzeProlog neForth dzinomiririra mbiri yakanyanyisa yehuzivi hwehurongwa. Prolog, yepamusoro-level logic programming mutauro, yakavakirwa pane inoyevedza kutorwa kwehukama hune musoro, kuenzanisa patani, uye kuzivisa kugadzirisa matambudziko. Kumberi, nekusiyana, ndiyo epitome yeyakaderera-chikamu, stack-yakavakirwa-yakakosha mutauro, yakakosheswa nekuda kwayo minimalism, yakananga hardware kutonga, uye kupisa kunopisa kukurumidza kuuraya. Pfungwa yekubatanidza yekutanga kuita yekupedzisira ingaita sekushandura nhetembo kuita kodhi yegungano — chiitiko chedzidzo chekushandisa kunomutsa mubvunzo. Nekudaro, maitiro ekugadzira Prolog kuForth inonakidza tekinoroji feat inoratidza yakadzama nzwisiso mumitauro miviri uye inopa inomanikidza nzira yekugadzira inoshanda zvakanyanya, inotakurika logic programming system. Kumabhizinesi anoshandisa modular sisitimu yekushandisa seMewayz, yakadzama-level optimization inosimbisa simba rekubatanidza akasarudzika, epamusoro-soro maturusi mukufamba kwakabatana kwekushanda.

Deconstructing Prolog: Kubva Kubatana kuenda kuStack Operations

Chinetso chikuru cheiyi nzira yekubatanidza iri mukududzira Prolog's abstract computational modhi muForth's kongiri, nhanho-ne-nhanho mirairo. Kuitwa kweProlog kunofambiswa nemaitiro maviri akakosha: kubatanidza (maitiro ekufananidza mazwi ane musoro) uye kudzosera kumashure (kutsvaga kwedzimwe mhinduro). A Prolog-to-Forth compiler anofanira kugadzirisa aya epamusoro-level concepts kuita akatevedzana epazasi-level mashandiro. Kubatana, semuenzaniso, kunova kutevedzana kwemaitiro ekugadzirisa-kusundidzira mazwi, achiaenzanisa, uye kugadzirisa zvinosiyana zvinosungirwa. Iyo compiler inofanirwa kuburitsa Forth kodhi iyo inogona kuyambuka yakaoma data zvimiro (semiti inomiririra mazwi ane musoro) uye kuchengetedza nharaunda umo zvinosiyana zvinogona kuisirwa uye gare gare "un-instantiated" panguva yekudzokera shure. Izvi zvinoda mhando yenguva yekumhanya yakavakirwa pamusoro pemazwi akakosha aForth.

Kushandisa Backtracking: Mwoyo Wekutsvaga

Pamwe chikamu chakaomesesa chekubatanidza ndechekuita Prolog's backtracking search algorithm. MuProlog, kana chinangwa chikatadza, injini inodzokera kune yekupedzisira sarudzo poindi uye inoedza imwe nzira. Kuti udzokorore izvi muForth, mugadziri anofanirwa kugadzira nzira yekuchengetedza uye kudzoreredza mamiriro emakomputa. Izvi zvinowanzoitwa uchishandisa Forth's data stack uye, zvakanyanya, yakaparadzana kudzoka stack kana yakatsaurirwa ndangariro dunhu kuchengetedza sarudzo mapoinzi. Nzvimbo yekusarudza mufananidzo wemamiriro emuchina-kusanganisira zvinosungirirwa zvakasiyana-siyana, kodhi yazvino inongedza, uye mamwe ma clause achayedzwa. Iyo kodhi yakabatanidzwa inosanganisira mirairo yekusundidzira poindi yekusarudza pastack pese apo chiumbwa chine akawanda anowirirana clause. Pakutadza, iyo yekumhanyisa system inoburitsa yazvino sarudzo poindi, inodzoreredza nyika, uye inosvetukira kune inotevera isina kuedzwa clause. Kutamba kwakanaka uku, kana kwakaoma, kunoshandura Forth's deterministic flow into Prolog's non-deterministic search.

Zvinoita Zvinoreva uye Mewayz Connection

Sei kuita basa rakaoma kudai? Mabhenefiti akakosha. Forth inozivikanwa nekugoneka kwayo uye diki ndangariro tsoka. Iyo Prolog sisitimu inounganidzwa kuForth inogona kumhanya pane yakadzamirwa masisitimu, mamicrocontrollers, kana chero chikuva chine muturikiri weForth, ichiunza ane simba logic programming nharaunda kune zviwanikwa-zvakamanikidzwa nharaunda. Uyezve, iyo inokonzeresa sisitimu inogona kukurumidza kukurumidza, sezvo iyo kodhi kodhi yakaonda uye inoitisa ine shoma pamusoro. Uhwu huzivi hwekugadzira akakwenenzverwa, ane chinangwa-akavakirwa mamodule anowirirana zvakakwana neMewayz modular bhizinesi OS. Mewayz inobudirira mukubatanidza zvikamu zvine hunyanzvi zvinoita mabasa azvo nehunyanzvi hwepamusoro.

Mhedziso: Bridge Between Paradigms

Kugadzira Prolog kuenda kuForth chiratidzo chekuchinjika kwemitauro miviri. Zvinotaridza kuti kunyangwe iwo abstract programming paradigms anogona kudzikwa mune inoshanda, yakaderera-level execution modhi. Kunyange ichiramba iri niche nzvimbo yekugadzira dhizaini, misimboti inosanganisirwa-inoshanda ndangariro manejimendi, runtime state tracking, uye muchinjiko-paradigm dudziro-akakosha pasi rose. Kune mapuratifomu akaita seMewayz anokoshesa modularity uye kuita, rudzi urwu rwekudzika kwehunyanzvi hwekubatanidza ndiyo kiyi yekuvaka yakasimba uye inochinjika mabhizinesi masisitimu. Nekunzwisisa mabhiriji enyika dzemakombuta dzakasiyana siyana, tinovhura mikana mitsva yekuisa pfungwa dzine njere padzinodiwa.

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