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Diffstat (limited to 'static/v10/man6/yacc.6')
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diff --git a/static/v10/man6/yacc.6 b/static/v10/man6/yacc.6 new file mode 100644 index 00000000..2abc64a6 --- /dev/null +++ b/static/v10/man6/yacc.6 @@ -0,0 +1,43 @@ +.pa 1 +.he 'YACC (VI)'1/20/73'YACC (VI)' +.ti 0 +NAME yacc -- yet another compiler compiler +.sp +.ti 0 +SYNOPSIS _____________/crp/scj/yacc [ <grammar ] +.sp +.ti 0 +DESCRIPTION Yacc converts a context-free grammar into a set of +tables for a simple automaton which executes an LR(1) parsing +algorithm. +The tables are provided in readable form on the standard output +and in b-compiler format on file actn.b; the program +/crp/scj/bpar.b will parse strings using the actn.b file. +.sp +If your grammar is too big for yacc, you may +try /crp/scj/bigyacc, +some of whose size limits are +larger, and others smaller. +.sp +.ti 0 +FILES actn.b output tables +.br +actn.tmp temporary storage +.br +Note that these files are created in the invoker's +directory. +The file actn.tmp is only created by /crp/scj/bigyacc +(see above). +.sp +.ti 0 +SEE ALSO Yacc manual, by scj (available from ek); +"LR Parsing", by A. V. Aho and S. C. Johnson, to be published. +.sp +.ti 0 +DIAGNOSTICS There are various diagnostics, but only +one can be obtained in each run. +.sp +.ti 0 +BUGS The maximum number of terminal and non-terminal symbols +is 50 each, and this is not checked. There are +undoubtedly other bugs too. |