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Side by Side Diff: bison/src/bison/2.4.1/bison-2.4.1/etc/bench.pl

Issue 10807020: Add native Windows binary for bison. (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/
Patch Set: Created 8 years, 5 months ago
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1 #! /usr/bin/perl -w
2
3 # Copyright (C) 2006, 2008 Free Software Foundation, Inc.
4 #
5 # This file is part of Bison, the GNU Compiler Compiler.
6 #
7 # This program is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation, either version 3 of the License, or
10 # (at your option) any later version.
11 #
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
16 #
17 # You should have received a copy of the GNU General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19
20 use IO::File;
21 use Benchmark qw (:all);
22
23 my $bison = $ENV{'BISON'} || '/cygdrive/j/Devel/bison/2.4.1/bison-2.4.1/tests/bi son';
24 my $cc = $ENV{'CC'} || 'gcc';
25
26 ##################################################################
27
28 sub triangular_grammar ($$$)
29 {
30 my ($base, $max, $directives) = @_;
31
32 my $out = new IO::File ">$base.y"
33 or die;
34 print $out <<EOF;
35 %error-verbose
36 %debug
37 %{
38 #include <stdio.h>
39 #include <stdlib.h>
40
41 static int yylex (void);
42 static void yyerror (const char *msg);
43 %}
44 %union
45 {
46 int val;
47 };
48
49 %token END "end"
50 %type <val> exp input
51 EOF
52
53 for my $size (1 .. $max)
54 {
55 print $out "%token t$size $size \"$size\"\n";
56 };
57
58 print $out <<EOF;
59 %%
60 input:
61 exp { if (\$1 != 0) abort (); \$\$ = \$1; }
62 | input exp { if (\$2 != \$1 + 1) abort (); \$\$ = \$2; }
63 ;
64
65 exp:
66 END
67 { \$\$ = 0; }
68 EOF
69
70 for my $size (1 .. $max)
71 {
72 use Text::Wrap;
73 print $out wrap ("| ", " ",
74 (map { "\"$_\"" } (1 .. $size)),
75 " END \n"),
76 " { \$\$ = $size; }\n";
77 };
78 print $out ";\n";
79
80 print $out <<EOF;
81 %%
82 static int
83 yylex (void)
84 {
85 static int inner = 1;
86 static int outer = 0;
87 if (outer > $max)
88 return 0;
89 else if (inner > outer)
90 {
91 inner = 1;
92 ++outer;
93 return END;
94 }
95 return inner++;
96 }
97
98 static void
99 yyerror (const char *msg)
100 {
101 fprintf (stderr, "%s\\n", msg);
102 }
103
104 int
105 main (void)
106 {
107 yydebug = !!getenv ("YYDEBUG");
108 return yyparse ();
109 }
110 EOF
111 }
112
113 ##################################################################
114
115 sub calc_input ($$)
116 {
117 my ($base, $max) = @_;
118 my $out = new IO::File ">$base.input"
119 or die;
120 foreach (1 .. $max)
121 {
122 print $out "0+1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+ 24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50 +51+52+53+54+55+56+57+58+59+60+61+62+63+64+65+66+67+68+69+70+71+72+73+74+75+76+7 7+78+79+80+81+82+83+84+85+86+87+88+89+90+91+92+93+94+95+96+97+98+99\n";
123 print $out "1+1*(2+2*(3+3*(4+4*(5+5*(6+6*(7+7*(8+8*(9+9*(10+10*(11+11*(12+ 12*(13+13*(14+14*(15+15*(16+16*(17+17*(18+18*(19+19*(20+20*(21+21*(22+22*(23+23* (24+24*(25+25*(26+26*(27+27*(28+28*(29+29*(30+30*(31+31*(32+32*(33+33*(34+34*(35 +35*(36+36*(37+37*(38+38*(39+39*(40+40*(41+41*(42+42*(43+43*(44+44*(45+45*(46+46 *(47+47*(48+48*(49+49*(50+50*(51+51*(52+52*(53+53*(54+54*(55+55*(56+56*(57+57*(5 8+58*(59+59*(60+60*(61+61*(62+62*(63+63*(64+64*(65+65*(66+66*(67+67*(68+68*(69+6 9*(70+70*(71+71*(72+72*(73+73*(74+74*(75+75*(76+76*(77+77*(78+78*(79+79*(80+80*( 81+81*(82+82*(83+83*(84+84*(85+85*(86+86*(87+87*(88+88*(89+89*(90+90*(91+91*(92+ 92*(93+93*(94+94*(95+95*(96+96*(97+97*(98+98*(99+99*(100+100*(101+101*(102+102*( 103+103*(104+104*(105+105*(106+106*(107+107*(108+108*(109+109*(110+110*(111+111* (112+112*(113+113*(114+114*(115+115*(116+116*(117+117*(118+118*(119+119*(120+120 *(121+121*(122+122*(123+123*(124+124*(125+125*(126+126*(127+127*(128+128*(129+12 9*(130+130*(131+131*(132+132*(133+133*(134+134*(135+135*(136+136*(137+137*(138+1 38*(139+139*(140+140*(141+141*(142+142*(143+143*(144+144*(145+145*(146+146*(147+ 147*(148+148*(149+149*(150+150*(151+151*(152+152*(153+153*(154+154*(155+155*(156 +156*(157+157*(158+158*(159+159*(160+160*(161+161*(162+162*(163+163*(164+164*(16 5+165*(166+166*(167+167*(168+168*(169+169*(170+170*(171+171*(172+172*(173+173*(1 74+174*(175+175*(176+176*(177+177*(178+178*(179+179*(180+180*(181+181*(182+182*( 183+183*(184+184*(185+185*(186+186*(187+187*(188+188*(189+189*(190+190*(191+191* (192+192*(193+193*(194+194*(195+195*(196+196*(197+197*(198+198*(199+199*(200+200 *(201+201*(202+202*(203+203*(204+204*(205+205*(206+206*(207+207*(208+208*(209+20 9*(210+210*(211+211*(212+212*(213+213*(214+214*(215+215*(216+216*(217+217*(218+2 18*(219+219*(220+220*(221+221*(222+222*(223+223*(224+224*(225+225*(226+226*(227+ 227*(228+228*(229+229*(230+230*(231+231*(232+232*(233+233*(234+234*(235+235*(236 +236*(237+237*(238+238*(239+239*(240+240*(241+241*(242+242*(243+243*(244+244*(24 5+245*(246+246*(247+247*(248+248*(249+249*(250+250*(251+251*(252+252*(253+253*(2 54+254*(255+255*(256+256*(257+257*(258+258*(259+259*(260+260*(261+261*(262+262*( 263+263*(264+264*(265+265*(266+266*(267+267*(268+268*(269+269*(270+270*(271+271* (272+272*(273+273*(274+274*(275+275*(276+276*(277+277*(278+278*(279+279*(280+280 *(281+281*(282+282*(283+283*(284+284*(285+285*(286+286*(287+287*(288+288*(289+28 9*(290+290*(291+291*(292+292*(293+293*(294+294*(295+295*(296+296*(297+297*(298+2 98*(299+299*(300+300*(301+301*(302+302*(303+303*(304+304*(305+305*(306+306*(307+ 307*(308+308*(309+309*(310+310*(311+311*(312+312*(313+313*(314+314*(315+315*(316 +316*(317+317*(318+318*(319+319*(320+320*(321+321*(322+322*(323+323*(324+324*(32 5+325*(326+326*(327+327*(328+328*(329+329*(330+330*(331+331*(332+332*(333+333*(3 34+334*(335+335*(336+336*(337+337*(338+338*(339+339*(340+340*(341+341*(342+342*( 343+343*(344+344*(345+345*(346+346*(347+347*(348+348*(349+349*(350+350*(351+351* (352+352*(353+353*(354+354*(355+355*(356+356*(357+357*(358+358*(359+359*(360+360 *(361+361*(362+362*(363+363*(364+364*(365+365*(366+366*(367+367*(368+368*(369+36 9*(370+370*(371+371*(372+372*(373+373*(374+374*(375+375*(376+376*(377+377*(378+3 78*(379+379*(380+380*(381+381*(382+382*(383+383*(384+384*(385+385*(386+386*(387+ 387*(388+388*(389+389*(390+390*(391+391*(392+392*(393+393*(394+394*(395+395*(396 +396*(397+397*(398+398*(399+399*(400+400*(401+401*(402+402*(403+403*(404+404*(40 5+405*(406+406*(407+407*(408+408*(409+409*(410+410*(411+411*(412+412*(413+413*(4 14+414*(415+415*(416+416*(417+417*(418+418*(419+419*(420+420*(421+421*(422+422*( 423+423*(424+424*(425+425*(426+426*(427+427*(428+428*(429+429*(430+430*(431+431* (432+432*(433+433*(434+434*(435+435*(436+436*(437+437*(438+438*(439+439*(440+440 *(441+441*(442+442*(443+443*(444+444*(445+445*(446+446*(447+447*(448+448*(449+44 9*(450+450*(451+451*(452+452*(453+453*(454+454*(455+455*(456+456*(457+457*(458+4 58*(459+459*(460+460*(461+461*(462+462*(463+463*(464+464*(465+465*(466+466*(467+ 467*(468+468*(469+469*(470+470*(471+471*(472+472*(473+473*(474+474*(475+475*(476 +476*(477+477*(478+478*(479+479*(480+480*(481+481*(482+482*(483+483*(484+484*(48 5+485*(486+486*(487+487*(488+488*(489+489*(490+490*(491+491*(492+492*(493+493*(4 94+494*(495+495*(496+496*(497+497*(498+498*(499+499*(500+500*(501+501*(502+502*( 503+503*(504+504*(505+505*(506+506*(507+507*(508+508*(509+509*(510+510*(511+511* (512+512*(513+513*(514+514*(515+515*(516+516*(517+517*(518+518*(519+519*(520+520 *(521+521*(522+522*(523+523*(524+524*(525+525*(526+526*(527+527*(528+528*(529+52 9*(530+530*(531+531*(532+532*(533+533*(534+534*(535+535*(536+536*(537+537*(538+5 38*(539+539*(540+540*(541+541*(542+542*(543+543*(544+544*(545+545*(546+546*(547+ 547*(548+548*(549+549*(550+550*(551+551*(552+552*(553+553*(554+554*(555+555*(556 +556*(557+557*(558+558*(559+559*(560+560*(561+561*(562+562*(563+563*(564+564*(56 5+565*(566+566*(567+567*(568+568*(569+569*(570+570*(571+571*(572+572*(573+573*(5 74+574*(575+575*(576+576*(577+577*(578+578*(579+579*(580+580*(581+581*(582+582*( 583+583*(584+584*(585+585*(586+586*(587+587*(588+588*(589+589*(590+590*(591+591* (592+592*(593+593*(594+594*(595+595*(596+596*(597+597*(598+598*(599+599*(600+600 *(601+601*(602+602*(603+603*(604+604*(605+605*(606+606*(607+607*(608+608*(609+60 9*(610+610*(611+611*(612+612*(613+613*(614+614*(615+615*(616+616*(617+617*(618+6 18*(619+619*(620+620*(621+621*(622+622*(623+623*(624+624*(625+625*(626+626*(627+ 627*(628+628*(629+629*(630+630*(631+631*(632+632*(633+633*(634+634*(635+635*(636 +636*(637+637*(638+638*(639+639*(640+640*(641+641*(642+642*(643+643*(644+644*(64 5+645*(646+646*(647+647*(648+648*(649+649*(650+650*(651+651*(652+652*(653+653*(6 54+654*(655+655*(656+656*(657+657*(658+658*(659+659*(660+660*(661+661*(662+662*( 663+663*(664+664*(665+665*(666+666*(667+667*(668+668*(669+669*(670+670*(671+671* (672+672*(673+673*(674+674*(675+675*(676+676*(677+677*(678+678*(679+679*(680+680 *(681+681*(682+682*(683+683*(684+684*(685+685*(686+686*(687+687*(688+688*(689+68 9*(690+690*(691+691*(692+692*(693+693*(694+694*(695+695*(696+696*(697+697*(698+6 98*(699+699*(700+700*(701+701*(702+702*(703+703*(704+704*(705+705*(706+706*(707+ 707*(708+708*(709+709*(710+710*(711+711*(712+712*(713+713*(714+714*(715+715*(716 +716*(717+717*(718+718*(719+719*(720+720*(721+721*(722+722*(723+723*(724+724*(72 5+725*(726+726*(727+727*(728+728*(729+729*(730+730*(731+731*(732+732*(733+733*(7 34+734*(735+735*(736+736*(737+737*(738+738*(739+739*(740+740*(741+741*(742+742*( 743+743*(744+744*(745+745*(746+746*(747+747*(748+748*(749+749*(750+750*(751+751* (752+752*(753+753*(754+754*(755+755*(756+756*(757+757*(758+758*(759+759*(760+760 *(761+761*(762+762*(763+763*(764+764*(765+765*(766+766*(767+767*(768+768*(769+76 9*(770+770*(771+771*(772+772*(773+773*(774+774*(775+775*(776+776*(777+777*(778+7 78*(779+779*(780+780*(781+781*(782+782*(783+783*(784+784*(785+785*(786+786*(787+ 787*(788+788*(789+789*(790+790*(791+791*(792+792*(793+793*(794+794*(795+795*(796 +796*(797+797*(798+798*(799+799*(800+800*(801+801*(802+802*(803+803*(804+804*(80 5+805*(806+806*(807+807*(808+808*(809+809*(810+810*(811+811*(812+812*(813+813*(8 14+814*(815+815*(816+816*(817+817*(818+818*(819+819*(820+820*(821+821*(822+822*( 823+823*(824+824*(825+825*(826+826*(827+827*(828+828*(829+829*(830+830*(831+831* (832+832*(833+833*(834+834*(835+835*(836+836*(837+837*(838+838*(839+839*(840+840 *(841+841*(842+842*(843+843*(844+844*(845+845*(846+846*(847+847*(848+848*(849+84 9*(850+850*(851+851*(852+852*(853+853*(854+854*(855+855*(856+856*(857+857*(858+8 58*(859+859*(860+860*(861+861*(862+862*(863+863*(864+864*(865+865*(866+866*(867+ 867*(868+868*(869+869*(870+870*(871+871*(872+872*(873+873*(874+874*(875+875*(876 +876*(877+877*(878+878*(879+879*(880+880*(881+881*(882+882*(883+883*(884+884*(88 5+885*(886+886*(887+887*(888+888*(889+889*(890+890*(891+891*(892+892*(893+893*(8 94+894*(895+895*(896+896*(897+897*(898+898*(899+899*(900+900*(901+901*(902+902*( 903+903*(904+904*(905+905*(906+906*(907+907*(908+908*(909+909*(910+910*(911+911* (912+912*(913+913*(914+914*(915+915*(916+916*(917+917*(918+918*(919+919*(920+920 *(921+921*(922+922*(923+923*(924+924*(925+925*(926+926*(927+927*(928+928*(929+92 9*(930+930*(931+931*(932+932*(933+933*(934+934*(935+935*(936+936*(937+937*(938+9 38*(939+939*(940+940*(941+941*(942+942*(943+943*(944+944*(945+945*(946+946*(947+ 947*(948+948*(949+949*(950+950*(951+951*(952+952*(953+953*(954+954*(955+955*(956 +956*(957+957*(958+958*(959+959*(960+960*(961+961*(962+962*(963+963*(964+964*(96 5+965*(966+966*(967+967*(968+968*(969+969*(970+970*(971+971*(972+972*(973+973*(9 74+974*(975+975*(976+976*(977+977*(978+978*(979+979*(980+980*(981+981*(982+982*( 983+983*(984+984*(985+985*(986+986*(987+987*(988+988*(989+989*(990+990*(991+991* (992+992*(993+993*(994+994*(995+995*(996+996*(997+997*(998+998*(999+999*(1000+10 00*(1001)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) ))))))))))))))))))))))))))))))))))))))))))))))))\n";
124 }
125 }
126
127 ##################################################################
128
129 sub calc_grammar ($$$)
130 {
131 my ($base, $max, $directives) = @_;
132
133 my $out = new IO::File ">$base.y"
134 or die;
135 print $out <<EOF;
136 %{
137 #include <stdio.h>
138
139 #include <stdlib.h>
140 #include <string.h>
141 #include <ctype.h>
142 #define USE(Var)
143
144 /* Exercise pre-prologue dependency to %union. */
145 typedef int semantic_value;
146
147 static semantic_value global_result = 0;
148 static int global_count = 0;
149 %}
150
151 /* Exercise %union. */
152 $directives
153 %error-verbose
154 %union
155 {
156 semantic_value ival;
157 };
158
159 %{
160 static int power (int base, int exponent);
161 /* yyerror receives the location if:
162 - %location & %pure & %glr
163 - %location & %pure & %yacc & %parse-param. */
164 static void yyerror (const char *s);
165 #if YYPURE
166 static int yylex (YYSTYPE* yylvalp);
167 #else
168 static int yylex (void);
169 #endif
170 %}
171
172 /* Bison Declarations */
173 %token CALC_EOF 0 "end of input"
174 %token <ival> NUM "number"
175 %type <ival> exp
176
177 %nonassoc '=' /* comparison */
178 %left '-' '+'
179 %left '*' '/'
180 %left NEG /* negation--unary minus */
181 %right '^' /* exponentiation */
182
183 /* Grammar follows */
184 %%
185 input:
186 line
187 | input line
188 ;
189
190 line:
191 '\\n'
192 | exp '\\n' { USE (\$1); }
193 ;
194
195 exp:
196 NUM { \$\$ = \$1; }
197 | exp '=' exp
198 {
199 if (\$1 != \$3)
200 fprintf (stderr, "calc: error: %d != %d\\n", \$1, \$3);
201 \$\$ = \$1;
202 }
203 | exp '+' exp { \$\$ = \$1 + \$3; }
204 | exp '-' exp { \$\$ = \$1 - \$3; }
205 | exp '*' exp { \$\$ = \$1 * \$3; }
206 | exp '/' exp { \$\$ = \$1 / \$3; }
207 | '-' exp %prec NEG { \$\$ = -\$2; }
208 | exp '^' exp { \$\$ = power (\$1, \$3); }
209 | '(' exp ')' { \$\$ = \$2; }
210 | '(' error ')' { \$\$ = 1111; }
211 | '!' { \$\$ = 0; YYERROR; }
212 | '-' error { \$\$ = 0; YYERROR; }
213 ;
214 %%
215 /* The input. */
216 static FILE *input;
217
218 static void
219 yyerror (const char *s)
220 {
221 fprintf (stderr, "%s\\n", s);
222 }
223
224 static int
225 get_char (void)
226 {
227 return getc (input);
228 }
229
230
231 static void
232 unget_char ( int c)
233 {
234 ungetc (c, input);
235 }
236
237 static int
238 read_signed_integer (void)
239 {
240 int c = get_char ();
241 int sign = 1;
242 int n = 0;
243
244 if (c == '-')
245 {
246 c = get_char ();
247 sign = -1;
248 }
249
250 while (isdigit (c))
251 {
252 n = 10 * n + (c - '0');
253 c = get_char ();
254 }
255
256 unget_char (c);
257
258 return sign * n;
259 }
260
261 static int
262 #if YYPURE
263 # define yylval (*yylvalp)
264 yylex (YYSTYPE* yylvalp)
265 #else
266 yylex (void)
267 #endif
268 {
269 int c;
270
271 /* Skip white space. */
272 while ((c = get_char ()) == ' ' || c == '\t')
273 continue;
274
275 /* process numbers */
276 if (c == '.' || isdigit (c))
277 {
278 unget_char ( c);
279 yylval.ival = read_signed_integer ();
280 return NUM;
281 }
282
283 /* Return end-of-file. */
284 if (c == EOF)
285 return CALC_EOF;
286
287 /* Return single chars. */
288 return c;
289 }
290
291 static int
292 power (int base, int exponent)
293 {
294 int res = 1;
295 if (exponent < 0)
296 exit (3);
297 for (/* Niente */; exponent; --exponent)
298 res *= base;
299 return res;
300 }
301
302
303 int
304 main (int argc, const char **argv)
305 {
306 semantic_value result = 0;
307 int count = 0;
308 int status;
309
310 input = fopen ("calc.input", "r");
311 if (!input)
312 {
313 perror ("calc.input");
314 return 3;
315 }
316
317 status = yyparse ();
318 if (global_result != result)
319 abort ();
320 if (global_count != count)
321 abort ();
322
323 return status;
324 }
325 EOF
326 }
327
328 ##################################################################
329
330 sub compile ($)
331 {
332 my ($base) = @_;
333 system ("$bison $base.y -o $base.c") == 0
334 or die;
335 system ("$cc -o $base $base.c") == 0
336 or die;
337 }
338
339 sub bench_grammar ($)
340 {
341 my ($gram) = @_;
342 my %test =
343 (
344 "pull-impure" => '',
345 "pull-pure" => '%define api.pure',
346 "push-impure" => '%define api.push_pull "both"',
347 "push-pure" => '%define api.push_pull "both" %define api.pure',
348 );
349
350 my %bench;
351 while (my ($name, $directives) = each %test)
352 {
353 print STDERR "$name\n";
354 my $generator = "$gram" . "_grammar";
355 &$generator ($name, 200, $directives);
356 compile ($name);
357 $bench{$name} = "system ('./$name');";
358 }
359
360 print "$gram:\n";
361 my $res = timethese (50, \%bench, 'nop');
362 cmpthese ($res, 'nop');
363 }
364
365 print STDERR "Using $bison, $cc.\n";
366 calc_input ('calc', 200);
367 bench_grammar ('calc');
368
369 ### Setup "GNU" style for perl-mode and cperl-mode.
370 ## Local Variables:
371 ## perl-indent-level: 2
372 ## perl-continued-statement-offset: 2
373 ## perl-continued-brace-offset: 0
374 ## perl-brace-offset: 0
375 ## perl-brace-imaginary-offset: 0
376 ## perl-label-offset: -2
377 ## cperl-indent-level: 2
378 ## cperl-brace-offset: 0
379 ## cperl-continued-brace-offset: 0
380 ## cperl-label-offset: -2
381 ## cperl-extra-newline-before-brace: t
382 ## cperl-merge-trailing-else: nil
383 ## cperl-continued-statement-offset: 2
384 ## End:
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