compiler design handout, Lecture notes of Compiler Design

Download compiler design handout and more Lecture notes Compiler Design in PDF only on Docsity! © COMPILER DESIGN. Fenibe automate for the fit bring ithe CThe mpson's Construttiow ) made by aol in Protersing Conskruck hondeley ministie vequlay expressions ding Al Show the Sequente oy mov the inpoe Skiing ahakbbak . @ Calt)* ch) { at] 37)” co) (celayb*)™ ca) -Ca\b)? abd (41h)? Solubior ° el : + Considevy Y= Ca | b) a oe ey, 2) Nox) 16 Non) '4 e709 pee. r™% > Ca. * %y > alb N (4a) 'O s tv) i. See NW C73) ) Ky a meves ee S = O4t 97273 pa aes 6 ete % Jai >t we hp eet ee Sh os" = jor eer. por abhabboah | cay torcrae oe Cat ey % Vy: (atl h Nea TS @ () ConvevE de moat Fa’s ¢ . * ~ Probl ; , . Alaevithm C Subset Algeritim Shoes ed aes using reves made by eden TY prptersing the SEving Ababhbah . inpok Solution e (ay NFA sor (aln)* € Shaye . € e Fist find £- Closuve C50) Where So ts the Skat Shute ee NPA. Find &-closuve Co) € - closuve Co) sferua.4 34 e initially , é-Cloture Cfo) Pe only Stabe in D shubes and ik fh brmarixest . - The Shavit S bebe oh the egpivelent DRA fs e-eluvane Co), mew se AS Ye eit? ¢ The mpuk Sgrobst al tehe E heve i's fa, The al gentiens tell4 vs to mare A ond thew Cems puke Fivek E - Clotuve. C move. © A; a)) Stand € —Clswe C move CA,b)). 4s Fivst Compote move af he © Set as S baly ay mmr CA a {3} “ein tromsi Hens ae VYorrw member “++ A ° there "oe Suck trans Hon & -Clauuve Cmove CA,s) ) trom Akko 2 & 3 = eee f 4%, 3, 46,44 B Dhran [ae] n iw iM . Coy pube move C 4,4) move CA,b) = ps4 * & =éleswe ( reve C#,4) }== p34 58,74 2 ¢ = Dio, CA,5) e Gropu be move C®,a) = {34 é -Clusure ( move Cm, 59 ) = f 1,2,%, b, 6,74 = BR = Dher CB,4) move CH,6) = fsy €-closure ( move ¢ ,s)) > frs4, >, b 34 = C > Dhew (4,5) move C¢,a) = $33 é-clume Cmove C¢,2)) = B= Dhar Co <) move CS, b) 5 f 4 . E-Clriuce { moveal?,e) = ¢ = Dire Ce, ry)  Trang: Lion Table aE. Tvansi How Diggre—~ CpPa) ho AVRO FTRBWCVO DEAS a b aq b 4 a b Cb) NPA der Ca*]b*)” Re fev Presb No © Fixt Compu be é-Closuve CS ) te €-Closume Co) =fo,1,2,3,5,6,7, J, lo,l = A Heve input Sprobst alpshaheb are {«, 64 move (A,«) 3 {44 € - Closure Cmove Ca,a)) = j U2)3,4,5,6,7,49,10,04 + 2% = Dbran CA, 4) (a) NFA doy Cale)” abb Calb)® Redev priblen® » €-Closuve lo) = fo, (2, BY =A - Tnpok Syrobil alphabet ave (a, % move CA,4) > 43,83 é -closuve (move CA,a)) = f 2,3, 4, 6,7, J B D brawn (4,4) bop “move (4,6) = fs Be eleswve ( reve C6) ) = Pipe, 4,35, 6,3) 2 ¢ Dlraw( 4,4) \ move (8,0) = [3,83 €- Closave Cmevel,a)) = (i.2,3,%, 6,7, y = = Dw Cd,4) move CB, b) = L099 E - Clesuve ( move C%,5)) J {u2, h, Ss, 694 W783 move (¢, 4) = {3,¢} € —~clusuve ( move Ce,a))> fv. 8.4, = hee (Oa) move (6,4) = {5} €-closuve (move (2769) = Gia ,4/5 & + é ( ) - Dear (6,5 * move Cd,4) zi 13,84 E -cl swe ( reve Cd,4)) = 8 = D brew Cp,a) ‘ © move Cd,5) > j 5,104 é - Clusuve. Crmove (0, >) wow p fyr,4,8 @ 7%,),10,tt,I2, 16, 1B) E Dhan Cd,h) 2» move ( F,4) = S38, 134 E -clusuve (move CE, 4) )= > move Eyb) » fs, ' ey € -Clusuve ( move Ce,4)) > move ( Fa) = f3,¢,133 é -clssuve ( move CF,a)) ~ move CFDs £59,159 é artuwe £ rmve CPrb) ) > fi,3, 4, 4,7, 8, "el® (13,14, 1b, 18 Y F a Dhan (£,4) {' ri,4,F 1b, Myth y la, 15 16199 = D how CE,4) phew CF/4) O2,4,5, 6,7, 4, te ie yh =; OE ae7 Z H = phar CF. 4) wrove (4,4) = i 3,2, sy E -cluswve Cove C5, +9) meve (G4) > $5153 6 close C move C61,4)) meve C4) = fs, &, 3) é_Clusuve Crmove CH, a))> move (#15) = oo €-clesuve ( move € v.b))? wv ” uot F = Dhe~ C&,%) Qe phow C4, 5) > Dhew C4) S12, 4, 5,6,7,l0 t ALN IS, I 16, 1eY Dhaw ar b) ~ move CVA) = } 3,8,13 4 @® € -clusuve Creve C1,6)) > Fo Dhan CF, 4) s move CT, 4) = Ls sy & - clutuve C move C£,a)) ~ G2 Dhan CF, 4) Transikion Table a Is take a A BR c B B D ¢ B c DB a |e Fol Fp |G F F fm) GS | F 1G | ele Io I F G ASBRODZBSDSESDF WH a bk & b bb a & @ Construct Deals for the regulay expression Iv problem © vaing the Sixe # the Drals with those Cmsbuchey Algevithr~. Commpove for nodes iw Syntax bree jw. probler~ @ iygtpos and leaky , mee Coli ® (als) Solution Tn.d 3% Vv: (ajb)? a \ > a & ve = (al s)*F Raehiey {3} # £23 3 ty] Lay ty fr aft fyb fy ) 2 © (Celayst)” Bond, gay Solutow # * F524 F f v> (Celaye BF HY (cee) yy, V# = ( (ela) 3") FOLLow Pos $y 5% + A = {a0 y a Posi biow 1 tov a > = 1 whe folluepos(') > {1,2, ay > A > Dt ) -y positie~ 2 tev 5 SsUnvpes (>) ~ (12,34 2A > Dhow CA, ) T ‘brow Hhagrery f 4 TranseHow table * Tremsibo 7 : . C)* [ Snpok_ chev Srmre (a) wz bet. + wing Subset algorithew * Heve alsc ne. ob- is; £4 Chk LAIN Subset liad "A move te pove-t BS th no. f Shebes & Tremsibhien iagrenr~ Sh fuined Id gn -e_ (4) Calb)* abb Cals)* @ vhs, Calb) # ab (Alb)? # bade 644 _— LS foe, a9 Sina {x4 tat 44 aah, i \ Ae L429 Jf is b $< | = fray, 4 fat JN {ind # Sin} fx} * iy | oe) gh ay 4b $9 NODE fortlow pos $1233 i: gues) 3 443 {s} 4 s { 6.7/8) 1 Gee 1 | fered bp le ee + Nw Considev Bs, follow pes 9 vu gollue dow |, GU followpas Cw) + posih Hew 274 tolluw pas As] on) fj b Tr 4 buy a Ly &£ faye 13h w~ 1,2 dor foallowpes© VU folluep Gia3e A < A iH a i” > Post ° - = 8B = pivaw Ca») few b y 2,34 > positow ‘a tollue pes Cd = g 4 phe~C a,4) U,3 tov oO = £42,344 2B 23,5 4% S @ = phronlas posi ho pest? =p baw L y, a) Marit dint S posi tio 1,3 pov & i pkraw (¢,%) = > pesitior us dev b pes @)y Vv 4ollow follow =D = peeow C675) # Consider D 7 position 13, b for # follow ww pos 1) Vv potlowpes O20 U follow pes (6) = fa, 2,3 (4/594) © pen (D4) <p posikier 2,7 dov 2 F ellaw PB O?Y gollewopes 7) = Ce db G =D = DEra~r (d, ) 3 positiow - pn brary tE, a) = E 4 posifor a, 4,7 tor b followpes > gotlowpes 6 3 oll oper? © Let BP, Get way ° = th brew CE ey) a Consider | —— oe > pesifor 1,3,6 tov a piven CFA) 7 -7 posihor day SF tov b oy pollownes ts)? got loo pes (4) = $1,2,3,6,943 > D nn tyansikiorw Aieg @ Catsyt aby Cot” Teh ( a Transl ew R 8 B 6 F Pp Fe fe a g Trike a~hHhow Ti AS Lick pavhh n Cunsish & dno groups ® ) (eGna) — actepting Stabe 2) CA RoDR)e- NO accepln Skee. e Cmsidey the tive grep > Ce Gr) > ow I/pe > ev eb there S bers hes ~ dares He ts FE ig Cath A fre mewn hes hy a pep jo +5 Sacre stoke 7? spEk / Thay Trend, * Ceo43) + Const ee Stk GEE panne - ow Tipe + Hebers #OCd pe eC pe, Aart rer : Skike F Gos ts ottev rt) ~ Caner) (FP) Tne, = ce ¢ ao bay t pla tee Genie CAE fo M bev Th C - enn oo The & m7 stokes AP) vr Sac POP — 5 Je to pron hev rr @2 - Tram, 2 CAe)C a) CoP) Sy New Consider (Ac) a cw Tipe! aw ew Tp 5’ wy both tales 440 Ge & Hive. Alebe - . no 6phkE Trew, Cae) 6) 0) cr) > 7 Cad) cn) CF) C293) Ly | A be phe epee ee Ee he the ¥ ee ¢ 7s Stake am oO > “it fe. oe LN Ty IN pa Ol, (4) (alb)*a Calb)(alh 1 Cale) a Cal b)CaI4) v2 CafsytaCajsp(alh) | ae = Calh)*a Caib) (alh) # Oy 5} Prins Wa ko ia Pe 7 > fast NOt £1.33 vy, Sb, V3 tan i JN 4188 ps bs Buse firh S23 Beha Masy ‘ is} Ca Ss $124 | Lind PLOHE Lp $04 { 2 NODE mses ! 342,33 2 fririay 3 f4a.s¥ F133 = fur b re} 7 fe3 Cg — | = tet fle fia, 33 a, ~» Pos} Low: 13 for « Follow pos (1) U Followpas C2) 2 2,8, x} =—27 +> PosihHow 2 for b Folluw pus G) = fr2,3¥ = Ae dkraw (4,4) * Comsidey Be $123,454 = Dbyan 4,4) > poshHow 1,34 toy a Folluw psd UO follow pusls yufollcpes Ce) = f 128 M3,6,7} zc > dbran(Ga) > positive 15 fov b folluwpas (2) U folluvpusls) = { 12,3, 6,4 4 =D = nbavin,s) # Consider C= 102/3,4,5,6/7] > Posihor 1,3,4,b tov © : Followpos GSU folluwpos C23V follupus Ce) U Follewp ut (b) = {vray 45, 6,7,8} - £ > Devan (6,4) 7? position 2,6,4% tov Follavpos G) U follewpes Cs)V Felleopur C4 ) = f 12,3 ,6,4,¢4 2 fe D bran C¢,4) YH Comsidevy d= S 12,3, 6,4¥ D Position 1,326 for w tollowpos Ci) U folfuvposC3)U follerpos Cb) = $12,345,649 =G- Dtran (5,8) > Position 2,4 for b : doll pos(s) u tollewpesde) = §1.,3,e,2H= Dkre~ Ch, 8) Comgidey EF = $1,253, 4,3, 69,84 -) Posilion 4, 3,4,6 for @ Dtraw CE, 4) - £ . 2 Posi 2,5,% div b ~- Dkvew (Ce) ) = @ #® ConSidey fF = $1,2,3,6/7,83 oasieey Ps eee Transitiow Table > posihe~ 13,6 tov & _ Dla CF,2) 2 G 2,4 fov bs ptr CFD) *P dey GQ = $1,%.3, 4S, e} + Posikio x Consi > posi how 3,4 dev “ _ hibzew £45)" § spake Gs dee P pte C95)? D is for ~ . posite "3 - , piven Crim) =i b » posikee 3 > posi teow CH) > A-