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| /F0 13/Times-Roman@0 SF(The History of PCCTS)228.232 84 Q/F1 11/Times-Roman@0 |
| SF(The Purdue Compiler)190.468 108 Q(-Construction T)-.22 E(ool Set)-.88 E/F2 |
| 10/Times-Italic@0 SF -.92(Te)262.245 144 S -.37(re).92 G(nce P).37 E(arr)-.8 E |
| /F3 10/Times-Roman@0 SF -.15(Pa)234.755 156 S(rr Research Corporation).15 E |
| (Minneapolis, Minnesota)239.39 168 Q(and)280.78 180 Q(Uni)239.315 192 Q -.15 |
| (ve)-.25 G(rsity of Minnesota).15 E |
| (Army High Performance Computing Research Center)180.38 204 Q F2 |
| ([Updated 8-7-94])252.31 228 Q F1 .084(The PCCTS project be)97 259.6 R -.055 |
| (ga)-.165 G 2.834(na).055 G 2.833(sap)220.547 259.6 S(arser)240.876 259.6 Q |
| .083(-generator project for a graduate course at Purdue Uni-)-.22 F -.165(ve)72 |
| 275.6 S 1.085(rsity in the F).165 F 1.086 |
| (all of 1988 taught by Hank Dietz\212 translator)-.165 F 1.086 |
| (-writing systems.)-.22 F 1.086(Under the guid-)6.586 F .627 |
| (ance of Professor Dietz, the parser generator)72 291.6 R 3.377(,A)-.44 G .626 |
| (NTLR \(originally called YUCC\), continued after)285.18 291.6 R .253 |
| (the termination of the course and e)72 307.6 R -.165(ve)-.275 G .254 |
| (ntually became the subject of T).165 F .254(erence P)-.77 F(arr')-.165 E 3.004 |
| (sM)-.605 G(aster')445.083 307.6 Q 3.004(st)-.605 G(hesis.)479.25 307.6 Q |
| (Originally)72 323.6 Q 4.092(,l)-.715 G -.165(ex)126.406 323.6 S 1.342 |
| (ical analysis w).165 F 1.342(as performed via ALX which w)-.11 F 1.342 |
| (as soon replaced by W)-.11 F 1.341(ill Cohen')-.44 F(s)-.605 E .594 |
| (DLG in the F)72 339.6 R .594(all of 1989 \(DF)-.165 F .595(A-based le)-.814 F |
| .595(xical-analyzer generator)-.165 F 3.345(,a)-.44 G .595(lso an of)367.188 |
| 339.6 R .595(fshoot of the graduate)-.275 F(translation course\).)72 355.6 Q |
| .877(The alpha v)97 375.2 R .877(ersion of ANTLR w)-.165 F .877(as totally re) |
| -.11 F .876(written resulting in 1.00B.)-.275 F -1.221(Ve)6.376 G .876 |
| (rsion 1.00B w)1.221 F(as)-.11 E 1.577(released via an internet ne)72 391.2 R |
| 1.577(wsgroup \(comp.compilers\) posting in February of 1990 and quickly)-.275 |
| F -.055(ga)72 407.2 S .356(thered a lar).055 F .356(ge follo)-.198 F 3.106 |
| (wing. 1.00B)-.275 F .356(generated only LL\(1\) parsers, b)3.106 F .356 |
| (ut allo)-.22 F .356(wed the mer)-.275 F .356(ged descrip-)-.198 F 1.859 |
| (tion of le)72 423.2 R 1.859(xical and syntactic analysis.)-.165 F 1.86 |
| (It had rudimentary attrib)7.359 F 1.86(ute handling similar to that of)-.22 F |
| -.55 -1.32(YA C)72 439.2 T 3.549(Ca)1.32 G .799 |
| (nd did not incorporate rule parameters or return v)109.231 439.2 R .798 |
| (alues; do)-.275 F(wnw)-.275 E .798(ard inheritance w)-.11 F .798(as v)-.11 F |
| (ery)-.165 E -.165(aw)72 455.2 S(kw).165 E 6.433(ard. 1.00B-generated)-.11 F |
| 3.684(parsers terminated upon the \214rst syntax error)6.433 F 9.184(.L)-.605 G |
| -.165(ex)440.916 455.2 S 3.684(ical classes).165 F(\(modes\) were not allo)72 |
| 471.2 Q(wed and DLG did not ha)-.275 E .33 -.165(ve a)-.22 H 2.75(ni).165 G |
| (nteracti)305.959 471.2 Q .33 -.165(ve m)-.275 H(ode.).165 E .831 |
| (Upon starting his Ph.D. at Purdue in the F)97 490.8 R .83(all of 1990, T)-.165 |
| F .83(erence P)-.77 F .83(arr be)-.165 F -.055(ga)-.165 G 3.58(nt).055 G .83 |
| (he second total)436.351 490.8 R(re)72 506.8 Q 1.646(write of ANTLR.)-.275 F |
| 1.646(The method by which grammars may be practically analyzed to generate) |
| 7.146 F/F4 11/Times-Italic@0 SF(LL)72.638 522.8 Q F1(\().583 E F4(k).396 E F1 |
| 3.849(\)l).737 G 1.099(ookahead information w)105.703 522.8 R 1.099(as disco) |
| -.11 F -.165(ve)-.165 G 1.099(red in August of 1990 just before his return.) |
| .165 F -1.221(Ve)6.598 G(rsion)1.221 E .626 |
| (1.00 incorporated this algorithm and included the AST mechanism, le)72 538.8 R |
| .626(xical classes, error classes,)-.165 F .354(and automatic error reco)72 |
| 554.8 R -.165(ve)-.165 G .353(ry; code quality and portability were higher).165 |
| F 5.853(.I)-.605 G 3.103(nF)395.965 554.8 S .353(ebruary of 1992 1.00)410.684 |
| 554.8 R -.11(wa)72 570.8 S 2.76(sr).11 G .01 |
| (eleased via an article in SIGPLAN Notices.)95.418 570.8 R .01 |
| (Peter Dahl, Ph.D. candidate, and Professor Matt)5.51 F(O'K)72 586.8 Q 2.074 |
| (eefe \(both at the Uni)-.275 F -.165(ve)-.275 G 2.073 |
| (rsity of Minnesota\) tested this v).165 F 2.073(ersion e)-.165 F(xtensi)-.165 |
| E -.165(ve)-.275 G(ly).165 E 7.573(.D)-.715 G 2.073(ana Hogg)448.522 586.8 R |
| (att)-.055 E .078(\(Micro Data Base Systems, Inc.\) came up with the idea of e\ |
| rror grouping \(strings attached to non-)72 602.8 R |
| (terminals\) and tested 1.00 hea)72 618.8 Q(vily)-.22 E(.)-.715 E -1.221(Ve)97 |
| 638.4 S .878(rsion 1.06 w)1.221 F .877 |
| (as released in December 1992 and represented a lar)-.11 F .877 |
| (ge feature enhancement)-.198 F -.165(ove)72 654.4 S 3.648(r1).165 G 3.648 |
| (.00. F)100.365 654.4 R .898(or e)-.165 F .899 |
| (xample, rudimentary semantic predicates were introduced, error messages were) |
| -.165 F 2.281(signi\214cantly impro)72 670.4 R -.165(ve)-.165 G 5.031(df).165 G |
| (or)181.953 670.4 Q F4(k)5.427 E F1 2.281 |
| (>1 lookahead and ANTLR parsers could indicate that lookahead).737 F 1.381 |
| (fetches were to occur only when necessary for the parse \(normally)72 686.4 R |
| 4.131(,t)-.715 G 1.381(he lookahead `)387.051 686.4 R(`pipe')-.814 E 4.132('w) |
| -.814 G(as)494.837 686.4 Q 1.182(constantly full\).)72 702.4 R 1.182 |
| (Russell Quong joined the project in the Spring of 1992 to aid in the semantic) |
| 6.682 F .681(predicate design.)72 718.4 R(Be)6.181 E .681(ginning and adv)-.165 |
| F .682(anced tutorials were created and released as well.)-.275 F 3.432(Am) |
| 6.182 G(ak)485.179 718.4 Q(e-)-.11 E .993(\214le generator w)72 734.4 R .993 |
| (as included that sets up dependencies and such correctly for ANTLR and DLG.) |
| -.11 F EP |
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| /F0 11/Times-Roman@0 SF 2.75(-2-)278.837 52 S -1.221(Ve)72 88 S 1.414(ry fe) |
| 1.221 F 4.164(w1)-.275 G 1.414(.00 incompatibilities were introduced \(1.00 w) |
| 122.81 88 R 1.415(as quite dif)-.11 F 1.415(ferent from 1.00B in some)-.275 F |
| (areas\).)72 104 Q 1.089(1.10 w)97 123.6 R 1.088 |
| (as released on August 31, 1993 and incorporated b)-.11 F 1.088(ug \214x)-.22 F |
| 1.088(es, a fe)-.165 F 3.838(wf)-.275 G 1.088(eature enhance-)433.59 123.6 R |
| 3.112(ments and a major ne)72 139.6 R 5.863(wc)-.275 G(apability \212)196.957 |
| 139.6 Q 3.113(an arbitrary lookahead operator \(syntactic predicate\),)5.863 F |
| /F1 11/Courier@0 SF(\(alpha\)?beta)72 155.6 Q F0 6.754(.T)C 1.254 |
| (his feature w)167.425 155.6 R 1.254 |
| (as co-designed with Professor Russell Quong also at Purdue.)-.11 F 3.297 -.88 |
| (To s)72 171.6 T 1.537 |
| (upport in\214nite lookahead, a preprocessor \215ag, ZZINF_LOOK, w).88 F 1.537 |
| (as created that forced the)-.11 F .21(ANTLR\(\) macro to tok)72 187.6 R .21 |
| (enize all input prior to parsing.)-.11 F .209(Hence, at an)5.709 F 2.959(ym) |
| -.165 G .209(oment, an action or predi-)389.215 187.6 R .936 |
| (cate can see the entire input sentence.)72 203.6 R .936 |
| (The predicate mechanism of 1.06 w)6.436 F .937(as e)-.11 F .937 |
| (xtended to allo)-.165 F(w)-.275 E .55 |
| (multiple predicates to be hoisted; the syntactic conte)72 219.6 R .55 |
| (xt of a predicate w)-.165 F .55(as also mo)-.11 F -.165(ve)-.165 G 3.299(da) |
| .165 G .549(long with)461.585 219.6 R(the predicate.)72 235.6 Q .754 |
| (In February of 1994, SORCERER \(a simple tree-parser generator\) w)97 255.2 R |
| .755(as released.)-.11 F .755(This tool)6.255 F(allo)72 271.2 Q .6(ws the user\ |
| to parse child-sibling trees by specifying a grammar rather than b)-.275 F |
| .599(uilding a recur)-.22 F(-)-.22 E(si)72 287.2 Q -.165(ve)-.275 G 1.39 |
| (-descent tree w).165 F(alk)-.11 E 1.391(er by hand.)-.11 F -.88(Wo)6.891 G |
| 1.391(rk to).88 F -.11(wa)-.275 G 1.391 |
| (rds a library of tree transformations is underw).11 F(ay)-.11 E(.)-.715 E .581 |
| (Aaron Sa)72 303.2 R(wde)-.165 E 3.331(ya)-.165 G 3.331(tT)145.531 303.2 S .581 |
| (he Uni)158.641 303.2 R -.165(ve)-.275 G .58 |
| (rsity of Minnesota became a second author of SORCERER after the).165 F |
| (initial release.)72 319.2 Q .627(On April 1, 1994, PCCTS 1.20 w)97 338.8 R |
| .627(as released.)-.11 F .627(This w)6.127 F .627(as the \214rst v)-.11 F .627 |
| (ersion to acti)-.165 F -.165(ve)-.275 G .627(ly support).165 F 1.664 |
| (C++ output.)72 354.8 R 1.664(It also included important \214x)7.164 F 1.663 |
| (es re)-.165 F -.055(ga)-.165 G 1.663 |
| (rding semantic predicates and \(..\)+ subrules.).055 F(This v)72 370.8 Q |
| (ersion also introduced tok)-.165 E(en classes, the `)-.11 E(`)-.814 E/F2 11 |
| /Times-Italic@0 SF(not)A F0 1.628 -.814('' o)D(perator).814 E 2.75(,a)-.44 G |
| (nd tok)355.294 370.8 Q(en ranges.)-.11 E .764 |
| (On June 19, 1994, SORCERER 1.00B9 w)97 390.4 R .765(as released.)-.11 F .765 |
| (Gary Funck of Intrepid T)6.265 F(echnology)-.77 E .807 |
| (joined the SORCERER team and pro)72 406.4 R .807(vided v)-.165 F .807(ery v) |
| -.165 F .807(aluable suggestions re)-.275 F -.055(ga)-.165 G .806(rding the `) |
| .055 F(`transform')-.814 E(')-.814 E(mode of SORCERER.)72 422.4 Q 1.137 |
| (On August 8, 1994, PCCTS 1.21 w)97 442 R 1.137(as released.)-.11 F 1.138 |
| (It mainly cleaned up the C++ output and)6.637 F(included a number of b)72 458 |
| Q(ug \214x)-.22 E(es.)-.165 E .316(From the 1.21 release forw)97 477.6 R .316 |
| (ard, the maintenance and support of all PCCTS tools will be pri-)-.11 F 1.557 |
| (marily pro)72 493.6 R 1.557(vided by P)-.165 F 1.557 |
| (arr Research Corporation, Minneapolis MN---an or)-.165 F -.055(ga)-.198 G |
| 1.558(nization founded on).055 F 1.616(the principles of e)72 509.6 R 1.616 |
| (xcellence in research and inte)-.165 F 1.616(grity in b)-.165 F 1.616 |
| (usiness; we are de)-.22 F -.22(vo)-.275 G 1.616(ted to pro).22 F(viding)-.165 |
| E 1.202(really cool softw)72 525.6 R 1.202(are tools.)-.11 F 1.202 |
| (Please see \214le PCCTS.FUTURE for more information.)6.702 F 1.203(All PCCTS) |
| 6.703 F(tools currently in the public domain will continue to be in the public\ |
| domain.)72 541.6 Q 1.198(Looking to)97 561.2 R -.11(wa)-.275 G 1.198 |
| (rds the future, a graphical user).11 F(-interf)-.22 E 1.197 |
| (ace is in the design phase.)-.11 F 1.197(This w)6.697 F(ould)-.11 E(allo)72 |
| 577.2 Q 2.753(wu)-.275 G .003(sers to vie)104.42 577.2 R 2.753(wt)-.275 G .004 |
| (he syntax diagram representation of their grammars and w)162.509 577.2 R .004 |
| (ould highlight non-)-.11 F 1.181(deterministic productions.)72 593.2 R -.165 |
| (Pa)6.681 G 1.18(rsing can be traced graphically as well.).165 F 1.18 |
| (This system will be b)6.68 F(uilt)-.22 E .167(using a multiplatform windo)72 |
| 609.2 R 2.917(wl)-.275 G(ibrary)211.73 609.2 Q 5.667(.W)-.715 G 2.917(ea) |
| 255.204 609.2 S .168(lso anticipate the introduction of a sophisticated error) |
| 267.889 609.2 R(handling mechanism called `)72 625.2 Q(`parser e)-.814 E |
| (xception handling')-.165 E 2.75('i)-.814 G 2.75(nan)327.431 625.2 S |
| (ear future release.)348.815 625.2 Q(Currently)97 644.8 Q 3.019(,P)-.715 G .269 |
| (CCTS is used at o)150.333 644.8 R -.165(ve)-.165 G 3.019(r1).165 G .269 |
| (000 kno)253.098 644.8 R .268(wn academic, go)-.275 F -.165(ve)-.165 G .268 |
| (rnment, and commercial sites).165 F .859(in 37 countries.)72 660.8 R .859 |
| (Of course, the true number of users is unkno)6.359 F .859(wn due to the lar) |
| -.275 F .859(ge number of ftp)-.198 F(sites.)72 676.8 Q EP |
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| /F0 11/Times-Roman@0 SF 2.75(-3-)278.837 52 S(Credits)272.11 88 Q .44 LW |
| 472.162 103.75 103.838 103.75 DL(Idea/T)134.236 117 Q 52.987(ool Coder)-.88 F |
| (Co-designer\(s\))345.436 117 Q 281.334 103.75 281.334 124.75 DL 209.273 103.75 |
| 209.273 124.75 DL 209.273 124.75 103.838 124.75 DL 103.838 126.75 209.273 |
| 126.75 DL 281.334 124.75 209.273 124.75 DL 209.273 126.75 281.334 126.75 DL |
| 472.162 124.75 281.334 124.75 DL 281.334 126.75 472.162 126.75 DL(ANTLR 1.00A) |
| 109.338 140 Q -.77(Te)217.523 140 S(rence P).77 E 13.75(arr Hank)-.165 F(Dietz) |
| 2.75 E 82.83(ALX T)109.338 156 R(erence P)-.77 E 13.75(arr Hank)-.165 F(Dietz) |
| 2.75 E(ANTLR 1.00B)109.338 172 Q -.77(Te)217.523 172 S(rence P).77 E 13.75 |
| (arr Hank)-.165 F(Dietz, W)2.75 E(ill Cohen)-.44 E(DLG 1.00B)109.338 188 Q -.44 |
| (Wi)217.523 188 S(ll Cohen).44 E -.77(Te)289.584 188 S(rence P).77 E(arr)-.165 |
| E 2.75(,H)-.44 G(ank Dietz)358.147 188 Q(NF)109.338 204 Q 2.75(AR)-.814 G |
| 30.778(elabelling W)140.611 204 R(ill Cohen)-.44 E/F1 11/Times-Italic@0 SF(LL) |
| 109.976 220 Q F0(\().583 E F1(k).396 E F0 2.75(\)a).737 G 40.447(nalysis T) |
| 143.768 220 R(erence P)-.77 E 13.75(arr Hank)-.165 F(Dietz)2.75 E(ANTLR 1.00) |
| 109.338 236 Q -.77(Te)217.523 236 S(rence P).77 E 13.75(arr Hank)-.165 F |
| (Dietz, W)2.75 E(ill Cohen)-.44 E(DLG 1.00)109.338 252 Q -.44(Wi)217.523 252 S |
| (ll Cohen).44 E -.77(Te)289.584 252 S(rence P).77 E(arr)-.165 E 2.75(,H)-.44 G |
| (ank Dietz)358.147 252 Q(ANTLR 1.06)109.338 268 Q -.77(Te)217.523 268 S |
| (rence P).77 E 13.75(arr W)-.165 F(ill Cohen, Russell Quong, Hank Dietz)-.44 E |
| (DLG 1.06)109.338 284 Q -.44(Wi)217.523 284 S(ll Cohen).44 E -.77(Te)289.584 |
| 284 S(rence P).77 E(arr)-.165 E 2.75(,H)-.44 G(ank Dietz)358.147 284 Q |
| (ANTLR 1.10)109.338 300 Q -.77(Te)217.523 300 S(rence P).77 E 13.75(arr W)-.165 |
| F(ill Cohen, Russell Quong)-.44 E(ANTLR 1.20)109.338 316 Q -.77(Te)217.523 316 |
| S(rence P).77 E 13.75(arr W)-.165 F(ill Cohen, Russell Quong)-.44 E(ANTLR 1.21) |
| 109.338 332 Q -.77(Te)217.523 332 S(rence P).77 E 13.75(arr Russell)-.165 F |
| (Quong)2.75 E(DLG 1.10)109.338 348 Q -.44(Wi)217.523 348 S(ll Cohen).44 E -.77 |
| (Te)289.584 348 S(rence P).77 E(arr)-.165 E(DLG 1.20)109.338 364 Q -.44(Wi) |
| 217.523 364 S(ll Cohen).44 E -.77(Te)289.584 364 S(rence P).77 E(arr)-.165 E |
| (DLG 1.21)109.338 380 Q -.77(Te)217.523 380 S(rence P).77 E(arr)-.165 E |
| (Semantic predicates)109.338 396 Q -.77(Te)217.523 396 S(rence P).77 E 13.75 |
| (arr Russell)-.165 F(Quonq)2.75 E(Syntactic predicates)109.338 412 Q -.77(Te) |
| 217.523 412 S(rence P).77 E 13.75(arr Russell)-.165 F(Quonq)2.75 E |
| (SORCERER 1.00A)109.338 428 Q -.77(Te)217.523 428 S(rence P).77 E(arr)-.165 E |
| (SORCERER 1.00B)109.338 444 Q -.77(Te)217.523 444 S(rence P).77 E 13.75 |
| (arr Aaron)-.165 F(Sa)2.75 E(wde)-.165 E(y)-.165 E(SORCERER 1.00B9)109.338 460 |
| Q -.77(Te)217.523 460 S(rence P).77 E 13.75(arr Aaron)-.165 F(Sa)2.75 E(wde) |
| -.165 E 1.43 -.715(y, G)-.165 H(ary Funck).715 E 472.162 467.75 103.838 467.75 |
| DL 472.162 103.75 472.162 467.75 DL 103.838 103.75 103.838 467.75 DL EP |
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