OILS / _gen / bin / text_files.cc View on Github | oilshell.org

1893 lines, 158 significant
1
2#include "cpp/embedded_file.h"
3
4namespace embedded_file {
5GLOBAL_STR(gStr0, R"zZXx(
6 Errors
7 <a class="group-link" href="chap-errors.html">errors</a>
8
9
10 [UTF8] err-utf8-encode err-utf8-decode
11 [J8 String] err-j8-str-encode err-j8-str-decode
12 [J8 Lines] err-j8-lines-encode err-j8-lines-decode
13 [JSON] err-json-encode err-json-decode
14 [JSON8] err-json8-encode err-json8-decode
15)zZXx");
16
17GLOBAL_STR(gStr1, R"zZXx(
18
19 Front End <a class="group-link" href="chap-front-end.html">front-end</a>
20
21
22 [Lexing] ascii-whitespace [ \t\r\n]
23 ascii-control-chars
24)zZXx");
25
26GLOBAL_STR(gStr2, R"zZXx(
27 J8 Notation
28 <a class="group-link" href="chap-j8.html">j8</a>
29
30
31 [J8 Strings] json-string "hi"
32 json-escape \" \\ \u1234
33 surrogate-pair \ud83e\udd26
34 j8-escape \' \u{1f926} \yff
35 u-prefix u'hi'
36 b-prefix b'hi'
37 no-prefix 'hi'
38 [J8 Lines] unquoted-line
39 [JSON8] json8-num json8-str
40 X json8-list X json8-dict
41 json8-comment
42 [TSV8] column-attrs column-types
43)zZXx");
44
45GLOBAL_STR(gStr3, R"zZXx(Usage: help TOPIC?
46
47Examples:
48
49 help # this help
50 help echo # help on the 'echo' builtin
51 help command-sub # help on command sub $(date)
52
53 help oils-usage # identical to oils-for-unix --help
54 help osh-usage # osh --help
55 help ysh-usage # ysh --help
56)zZXx");
57
58GLOBAL_STR(gStr4, R"zZXx(bin/oils-for-unix is an executable that contains OSH, YSH, and more.
59
60Usage: oils-for-unix MAIN_NAME ARG*
61 MAIN_NAME ARG*
62
63It behaves like busybox. The command name can be passed as the first argument:
64
65 oils-for-unix ysh -c 'echo hi'
66
67More commonly, it's invoked through a symlink like 'ysh', which causes it to
68behave like that command:
69
70 ysh -c 'echo hi'
71)zZXx");
72
73GLOBAL_STR(gStr5, R"zZXx(
74 Builtin Commands <a class="group-link" href="chap-builtin-cmd.html">builtin-cmd</a>
75
76
77 [I/O] read echo printf
78 readarray mapfile
79 [Run Code] source . eval trap
80 [Set Options] set shopt
81 [Working Dir] cd pwd pushd popd dirs
82 [Completion] complete compgen compopt compadjust compexport
83 [Shell Process] exec X logout
84 umask ulimit times
85 [Child Process] jobs wait
86 fg X bg X kill X disown
87 [External] test [ getopts
88 [Introspection] help hash cmd/type X caller
89 [Word Lookup] command builtin
90 [Interactive] alias unalias history X fc X bind
91X [Unsupported] enable
92)zZXx");
93
94GLOBAL_STR(gStr6, R"zZXx(The reference is divided in to "chapters", each of which has its own table of
95contents. Type:
96
97 help osh-$CHAPTER
98
99Where $CHAPTER is one of:
100
101 front-end
102 command-lang
103 osh-assign
104 word-lang
105 mini-lang
106 builtin-cmd
107 option
108 special-var
109 plugin
110
111Example:
112
113 help osh-word-lang
114)zZXx");
115
116GLOBAL_STR(gStr7, R"zZXx(
117 Command Language <a class="group-link" href="chap-cmd-lang.html">cmd-lang</a>
118
119
120 [Commands] simple-command semicolon ;
121 [Conditional] case if dbracket [[
122 true false colon :
123 bang ! and && or ||
124 [Iteration] while until for for-expr-sh ((
125 [Control Flow] break continue return exit
126 [Grouping] sh-func sh-block { subshell (
127 [Concurrency] pipe | X pipe-amp |& ampersand &
128 [Redirects] redir-file > >> >| < <> not impl: &>
129 redir-desc >& <&
130 here-doc << <<- <<<
131 [Other Command] dparen (( time X coproc X select
132)zZXx");
133
134GLOBAL_STR(gStr8, R"zZXx(
135 Front End <a class="group-link" href="chap-front-end.html">front-end</a>
136
137
138 [Usage] oils-usage osh-usage config
139 startup line-editing exit-codes
140 [Lexing] comment # line-continuation \ ascii-whitespace [ \t\r\n]
141)zZXx");
142
143GLOBAL_STR(gStr9, R"zZXx(
144 Other Mini Languages <a class="group-link" href="chap-mini-lang.html">mini-lang</a>
145
146
147 [Arithmetic] arith-context Where legacy arithmetic is allowed
148 sh-numbers 0xFF 0755 etc.
149 sh-arith 1 + 2*3 a *= 2
150 sh-logical !a && b
151 sh-bitwise ~a ^ b
152 [Boolean] bool-expr [[ ! $x && $y || $z ]]
153 test ! $x -a $y -o $z
154 bool-infix $a -nt $b $x == $y
155 bool-path -d /etc
156 bool-str -n foo -z ''
157 bool-other -o errexit -v name[index]
158 [Patterns] glob-pat *.py
159 extglob ,(*.py|*.sh)
160 regex [[ foo =~ [a-z]+ ]]
161 [Other Sublang] braces {alice,bob}@example.com
162 histsub !$ !! !n
163 char-escapes \t \c \x00 \u03bc
164)zZXx");
165
166GLOBAL_STR(gStr10, R"zZXx(
167 Global Shell Options <a class="group-link" href="chap-option.html">option</a>
168
169
170 [Errors] nounset -u errexit -e inherit_errexit pipefail
171 [Globbing] noglob -f nullglob failglob X dotglob
172 dashglob (true)
173 [Debugging] xtrace X verbose X extdebug
174 [Interactive] emacs vi
175 [Other POSIX] X noclobber
176 [Compat] eval_unsafe_arith ignore_flags_not_impl
177)zZXx");
178
179GLOBAL_STR(gStr11, R"zZXx(
180 Assignments and Expressions <a class="group-link" href="chap-osh-assign.html">osh-assign</a>
181
182
183 [Literals] sh-array array=(a b c) array[1]=B "${a[@]}"
184 sh-assoc assoc=(['a']=1 ['b']=2) assoc['x']=b
185 [Operators] sh-assign str='xyz'
186 sh-append str+='abc'
187 [Builtins] local readonly export unset shift
188 declare typeset X let
189)zZXx");
190
191GLOBAL_STR(gStr12, R"zZXx(
192 Plugins and Hooks <a class="group-link" href="chap-plugin.html">plugin</a>
193
194
195 [Signals] SIGTERM SIGINT SIGQUIT
196 SIGTTIN SIGTTOU SIGWINCH
197 [Traps] DEBUG ERR EXIT X RETURN
198 [Words] PS1 X PS2 X PS3 PS4
199 [Completion] complete
200 [Other Plugin] PROMPT_COMMAND X command_not_found
201)zZXx");
202
203GLOBAL_STR(gStr13, R"zZXx(
204 Special Variables <a class="group-link" href="chap-special-var.html">special-var</a>
205
206
207 [POSIX Special] $@ $* $# $? $- $$ $! $0 $9
208 [Shell Vars] IFS X LANG X GLOBIGNORE
209 [Shell Options] SHELLOPTS X BASHOPTS
210 [Other Env] HOME PATH
211 [Other Special] BASH_REMATCH @PIPESTATUS
212 [Platform] HOSTNAME OSTYPE
213 [Call Stack] @BASH_SOURCE @FUNCNAME @BASH_LINENO
214 X @BASH_ARGV X @BASH_ARGC
215 [Tracing] LINENO
216 [Process State] UID EUID PPID X BASHPID
217X [Process Stack] BASH_SUBSHELL SHLVL
218X [Shell State] BASH_CMDS @DIRSTACK
219 [Completion] @COMP_WORDS COMP_CWORD COMP_LINE COMP_POINT
220 COMP_WORDBREAKS @COMPREPLY X COMP_KEY
221 X COMP_TYPE COMP_ARGV
222 [History] HISTFILE
223 [cd] PWD OLDPWD X CDPATH
224 [getopts] OPTIND OPTARG X OPTERR
225 [read] REPLY
226 [Functions] X RANDOM SECONDS
227 [Oils VM] OILS_VERSION LIB_OSH
228)zZXx");
229
230GLOBAL_STR(gStr14, R"zZXx(
231 Standard Library <a class="group-link" href="chap-stdlib.html">stdlib</a>
232
233
234 [two] log die
235 [no-quotes] nq-assert nq-run
236 nq-capture nq-capture-2
237 nq-redir nq-redir-2
238 [bash-strict]
239 [task-five]
240)zZXx");
241
242GLOBAL_STR(gStr15, R"zZXx(
243 OSH Types <a class="group-link" href="chap-type-method.html">type-method</a>
244
245
246 [OSH] BashArray BashAssoc
247)zZXx");
248
249GLOBAL_STR(gStr16, R"zZXx(bin/osh is compatible with POSIX shell, bash, and other shells.
250
251Usage: osh FLAG* SCRIPT ARG*
252 osh FLAG* -c COMMAND ARG*
253 osh FLAG*
254
255The command line accepted by `bin/osh` is compatible with /bin/sh and bash.
256
257 osh -c 'echo hi'
258 osh myscript.sh
259 echo 'echo hi' | osh
260
261It also has a few enhancements:
262
263 osh -n -c 'hello' # pretty-print the AST
264 osh --ast-format text -n -c 'hello' # print it full
265
266osh accepts POSIX sh flags, with these additions:
267
268 -n parse the program but don't execute it. Print the AST.
269 --ast-format what format the AST should be in
270)zZXx");
271
272GLOBAL_STR(gStr17, R"zZXx(
273 Word Language <a class="group-link" href="chap-word-lang.html">word-lang</a>
274
275
276 [Quotes] osh-string 'abc' $'line\n' "$var"
277 [Substitutions] command-sub $(command) `command`
278 var-sub ${var} $0 $9
279 arith-sub $((1 + 2))
280 tilde-sub ~/src
281 proc-sub diff <(sort L.txt) <(sort R.txt)
282 [Var Ops] op-test ${x:-default}
283 op-strip ${x%%suffix} etc.
284 op-replace ${x//y/z}
285 op-index ${a[i+1}
286 op-slice ${a[@]:0:1}
287 op-format ${x@P}
288)zZXx");
289
290GLOBAL_STR(gStr18, R"zZXx(
291 Builtin Commands <a class="group-link" href="chap-builtin-cmd.html">builtin-cmd</a>
292
293
294 [Memory] cmd/append Add elements to end of array
295 pp asdl cell X gc-stats line proc
296 [Handle Errors] error error 'failed' (status=2)
297 try Run with errexit, set _error
298 failed Test if _error.code !== 0
299 boolstatus Enforce 0 or 1 exit status
300 assert assert [42 === f(x)]
301 [Shell State] ysh-cd ysh-shopt compatible, and takes a block
302 shvar Temporary modify global settings
303 ctx Share and update a temporary "context"
304 push-registers Save registers like $?, PIPESTATUS
305 [Modules] runproc Run a proc; use as main entry point
306 module guard against duplicate 'source'
307 is-main false when sourcing a file
308 use change first word lookup
309 [I/O] ysh-read flags --all, -0
310 ysh-echo no -e -n with simple_echo
311 write Like echo, with --, --sep, --end
312 fork forkwait Replace & and (), and takes a block
313 fopen Open multiple streams, takes a block
314 X dbg Only thing that can be used in funcs
315 [Hay Config] hay haynode For DSLs and config files
316 [Completion] compadjust compexport
317 [Data Formats] json read write
318 json8 read write
319)zZXx");
320
321GLOBAL_STR(gStr19, R"zZXx(
322 Builtin Functions <a class="group-link" href="chap-builtin-func.html">builtin-func</a>
323
324
325 [Values] len() func/type()
326 [Conversions] bool() int() float()
327 str() list() dict()
328 X runes() X encodeRunes()
329 X bytes() X encodeBytes()
330 [Str] X strcmp() X split() shSplit()
331 [List] join()
332 [Float] floatsEqual() X isinf() X isnan()
333 [Collections] X copy() X deepCopy()
334 [Word] glob() maybe()
335 [Serialize] toJson() fromJson()
336 toJson8() fromJson8()
337X [J8 Decode] J8.Bool() J8.Int() ...
338 [Pattern] _group() _start() _end()
339 [Introspection] shvarGet() getVar() evalExpr()
340 [Hay Config] parseHay() evalHay()
341X [Hashing] sha1dc() sha256()
342)zZXx");
343
344GLOBAL_STR(gStr20, R"zZXx(The reference is divided in to "chapters", each of which has its own table of
345contents. Type:
346
347 help ysh-$CHAPTER
348
349Where $CHAPTER is one of:
350
351 front-end
352 command-lang
353 expr-lang
354 word-lang
355 builtin-cmd
356 option
357 special-var
358 type-method
359 builtin-func
360
361Example:
362
363 help ysh-expr-lang
364)zZXx");
365
366GLOBAL_STR(gStr21, R"zZXx(
367 Command Language <a class="group-link" href="chap-cmd-lang.html">cmd-lang</a>
368
369
370 [YSH Simple] typed-arg json write (x)
371 lazy-expr-arg assert [42 === x]
372 block-arg cd /tmp { echo $PWD }; cd /tmp (; ; blockexpr)
373 [YSH Cond] ysh-case case (x) { *.py { echo 'python' } }
374 ysh-if if (x > 0) { echo }
375 [YSH Iter] ysh-while while (x > 0) { echo }
376 ysh-for for i, item in (mylist) { echo }
377)zZXx");
378
379GLOBAL_STR(gStr22, R"zZXx(
380 Expression Language and Assignments <a class="group-link" href="chap-expr-lang.html">expr-lang</a>
381
382
383 [Assignment] assign =
384 aug-assign += -= *= /= **= //= %=
385 &= |= ^= <<= >>=
386 [Literals] atom-literal true false null
387 int-literal 42 65_536 0xFF 0o755 0b10
388 float-lit 3.14 1.5e-10
389 char-literal \\ \t \" \y00 \u{3bc}
390 X num-suffix 42 K Ki M Mi G Gi T Ti / ms us
391 ysh-string "x is $x" $"x is $x" r'[a-z]\n'
392 u'line\n' b'byte \yff'
393 triple-quoted """ $""" r''' u''' b'''
394 str-template ^"$a and $b" for Str::replace()
395 list-literal ['one', 'two', 3] :| unquoted words |
396 dict-literal {name: 'bob'} {a, b}
397 range 1 .. n+1
398 block-expr ^(echo $PWD)
399 expr-literal ^[1 + 2*3]
400 X expr-sub $[myobj]
401 X expr-splice @[myobj]
402 [Operators] op-precedence Like Python
403 concat s1 ++ s2, L1 ++ L2
404 ysh-equals === !== ~== is, is not
405 ysh-in in, not in
406 ysh-compare < <= > >= (numbers only)
407 ysh-logical not and or
408 ysh-arith + - * / // % **
409 ysh-bitwise ~ & | ^ << >>
410 ysh-ternary '+' if x >= 0 else '-'
411 ysh-index s[0] mylist[3] mydict['key']
412 ysh-attr mydict.key
413 ysh-slice a[1:-1] s[1:-1]
414 func-call f(x, y; ...named)
415 thin-arrow mylist->pop()
416 fat-arrow mystr => startsWith('prefix')
417 match-ops ~ !~ ~~ !~~
418 [Eggex] re-literal / d+ ; re-flags ; ERE /
419 re-primitive %zero 'sq'
420 class-literal [c a-z 'abc' @str_var \\ \xFF \u{3bc}]
421 named-class dot digit space word d s w
422 re-repeat d? d* d+ d{3} d{2,4}
423 re-compound seq1 seq2 alt1|alt2 (expr1 expr2)
424 re-capture <capture d+ as name: int>
425 re-splice Subpattern @subpattern
426 re-flags reg_icase reg_newline
427 X re-multiline ///
428)zZXx");
429
430GLOBAL_STR(gStr23, R"zZXx(
431 Front End <a class="group-link" href="chap-front-end.html">front-end</a>
432
433
434 [Usage] oils-usage ysh-usage
435 [Lexing] ascii-whitespace [ \t\r\n]
436 doc-comment ### multiline-command ...
437 [Tools] cat-em
438)zZXx");
439
440GLOBAL_STR(gStr24, R"zZXx(
441 Other Mini Languages <a class="group-link" href="chap-mini-lang.html">mini-lang</a>
442
443
444 [Patterns] glob-pat *.py
445 [Other Sublang] braces {alice,bob}@example.com
446)zZXx");
447
448GLOBAL_STR(gStr25, R"zZXx(
449 Global Shell Options <a class="group-link" href="chap-option.html">option</a>
450
451
452 [Groups] strict:all ysh:upgrade ysh:all
453 [YSH Details] opts-redefine opts-internal
454)zZXx");
455
456GLOBAL_STR(gStr26, R"zZXx(
457 Plugins and Hooks <a class="group-link" href="chap-plugin.html">plugin</a>
458
459
460 [YSH] renderPrompt()
461)zZXx");
462
463GLOBAL_STR(gStr27, R"zZXx(
464 Special Variables <a class="group-link" href="chap-special-var.html">special-var</a>
465
466
467 [YSH Vars] ARGV X ENV X _ESCAPE
468 _this_dir
469 [YSH Status] _error
470 _pipeline_status _process_sub_status
471 [YSH Tracing] SHX_indent SHX_punct SHX_pid_str
472 [YSH read] _reply
473 [History] YSH_HISTFILE
474 [Oils VM] OILS_VERSION
475 OILS_GC_THRESHOLD OILS_GC_ON_EXIT
476 OILS_GC_STATS OILS_GC_STATS_FD
477 LIB_YSH
478 [Float] NAN INFINITY
479)zZXx");
480
481GLOBAL_STR(gStr28, R"zZXx(
482 Standard Library<a class="group-link" href="chap-stdlib.html">stdlib</a>
483
484
485 [math] abs()
486 max() min()
487 X round()
488 sum()
489 [list] all() any()
490 repeat()
491 [args] parser Parse command line arguments
492 flag
493 arg
494 rest
495 parseArgs()
496 [yblocks] yb-capture
497 yb-capture-2
498X [Lines] slurp-by combine adjacent lines into cells
499X [Awk] each-line --j8 --max-jobs (Str, Template, Block) - xargs
500 each-row --max-jobs (Str, Template, Block) - xargs
501 each-word xargs-like splitting, similar to IFS too
502 split-by (str=\n, ifs=':', pattern=/s+/)
503 if-split-by
504 chop alias for split-by (pattern=/s+/)
505 must-match (/ <capture d+> </capture w+> /)
506 if-match
507X [Table Create] table --by-row --by-col (&place); construct/parse a table
508 table/cols cols name age - cols name:Str age:Int
509 types type Str Int
510 attr attr units - secs
511 row emit row
512 table cat concatenate TSV8
513 table align to ssv8
514 table tabify to tsv8
515 table header (cols = :|name age|, types = :|Str Int|, units = :|- secs|)
516 table slice e.g. slice (1, -1) slice (5, 7)
517 table to-tsv lose type info, and error on \t in cells
518X [Table Ops] where subset of rows; dplyr filter()
519 pick subset of columns ('select' taken by shell)
520 mutate transmute [average = count / sum] - drop the ones that are used?
521 rename (bytes='bytes', path='filename')
522 group-by add a column with a group ID [ext]
523 sort-by sort by columns; dplyr arrange() [ext]
524 summary count, sum, histogram, any, all, reduce(), etc. [ext]
525)zZXx");
526
527GLOBAL_STR(gStr29, R"zZXx(
528 Types and Methods <a class="group-link" href="chap-type-method.html">type-method</a>
529
530
531 [Atom Types] Null Bool
532 [Number Types] Int Float
533 [Str] X find() replace()
534 trim() trimStart() trimEnd()
535 startsWith() endsWith()
536 upper() lower()
537 search() leftMatch()
538 [List] List/append() pop() extend() indexOf()
539 X insert() X remove() reverse()
540 [Dict] keys() values() X get() X erase()
541 X inc() X accum()
542 [Range]
543 [Eggex]
544 [Match] group() start() end()
545 X groups() X groupDict()
546 [Place] setValue()
547 [Code Types] Expr Command
548 BuiltinFunc BoundFunc
549X [Func] name() location() toJson()
550X [Proc] name() location() toJson()
551X [Module] name() filename()
552 [IO] X eval() X captureStdout()
553 promptVal()
554 X time() X strftime()
555 X glob()
556X [Guts] heapId()
557)zZXx");
558
559GLOBAL_STR(gStr30, R"zZXx(bin/ysh is the shell with data tYpes, influenced by pYthon, JavaScript, ...
560
561Usage: ysh FLAG* SCRIPT ARG*
562 ysh FLAG* -c COMMAND ARG*
563 ysh FLAG*
564
565`bin/ysh` is the same as `bin/osh` with a the `ysh:all` option group set. So
566`bin/ysh` also accepts shell flags.
567
568 ysh -c 'echo hi'
569 ysh myscript.ysh
570 echo 'echo hi' | ysh
571)zZXx");
572
573GLOBAL_STR(gStr31, R"zZXx(
574 Word Language <a class="group-link" href="chap-word-lang.html">word-lang</a>
575
576
577 [Quotes] ysh-string "x is $x" $"x is $x" r'[a-z]\n'
578 u'line\n' b'byte \yff'
579 triple-quoted """ $""" r''' u''' b'''
580 X tagged-str "<span id=$x>"html
581 [Substitutions] expr-sub echo $[42 + a[i]]
582 expr-splice echo @[split(x)]
583 var-splice @myarray @ARGV
584 command-sub @(split command)
585 [Formatting] X ysh-printf ${x %.3f}
586 X ysh-format ${x|html}
587)zZXx");
588
589GLOBAL_STR(gStr32, R"zZXx(
590 YSH Command Language Keywords <a class="group-link" href="chap-ysh-cmd.html">ysh-cmd</a>
591
592
593 [Assignment] const var Declare variables
594 setvar setvar a[i] = 42
595 setglobal setglobal d.key = 'foo'
596 [Expression] equal = = 1 + 2*3
597 call call mylist->append(42)
598 [Definitions] proc proc p (s, ...rest) {
599 typed proc p (; typed, ...rest; n=0; b) {
600 func func f(x; opt1, opt2) { return (x + 1) }
601 ysh-return return (myexpr)
602)zZXx");
603
604GLOBAL_STR(gStr33, R"zZXx(func identity(x) {
605 ## The identity function. Returns its argument.
606
607 return (x)
608}
609)zZXx");
610
611GLOBAL_STR(gStr34, R"zZXx(# Can we define methods in pure YSH?
612#
613# (mylist->find(42) !== -1)
614#
615# instead of
616#
617# ('42' in mylist)
618#
619# Because 'in' is for Dict
620
621func find (haystack List, needle) {
622 for i, x in (haystack) {
623 if (x === needle) {
624 return (i)
625 }
626 }
627 return (-1)
628}
629)zZXx");
630
631GLOBAL_STR(gStr35, R"zZXx(# Bash strict mode, updated for 2024
632
633set -o nounset
634set -o pipefail
635set -o errexit
636shopt -s inherit_errexit
637shopt -s strict:all 2>/dev/null || true # dogfood for OSH
638
639)zZXx");
640
641GLOBAL_STR(gStr36, R"zZXx(# Library to turn a shell file into a "BYO test server"
642#
643# Usage:
644#
645# # from both bash and OSH
646# if test -z "$LIB_OSH"; then LIB_OSH=stdlib/osh; fi
647# source $LIB_OSH/byo-server-lib.sh
648#
649# The client creates a clean process state and directory state for each tests.
650#
651# (This file requires compgen -A, and maybe declare -f, so it's not POSIX
652# shell.)
653
654: ${LIB_OSH:-stdlib/osh}
655source $LIB_OSH/two.sh
656
657byo-maybe-run() {
658 local command=${BYO_COMMAND:-}
659
660 case $command in
661 '')
662 # Do nothing if it's not specified
663 return
664 ;;
665
666 detect)
667 # all the commands supported, except 'detect'
668 echo list-tests
669 echo run-test
670
671 exit 66 # ASCII code for 'B' - what the protocol specifies
672 ;;
673
674 list-tests)
675 # bash extension that OSH also implements
676 compgen -A function | grep '^test-'
677 exit 0
678 ;;
679
680 run-test)
681 local test_name=${BYO_ARG:-}
682 if test -z "$test_name"; then
683 die "BYO run-test: Expected BYO_ARG"
684 fi
685
686 # Shell convention: we name functions test-*
687 $test_name
688
689 # Only run if not set -e. Either way it's equivalent
690 exit $?
691 ;;
692
693 *)
694 die "Invalid BYO command '$command'"
695 ;;
696 esac
697
698 # Do nothing if BYO_COMMAND is not set.
699 # The program continues to its "main".
700}
701
702byo-must-run() {
703 local command=${BYO_COMMAND:-}
704 if test -z "$command"; then
705 die "Expected BYO_COMMAND= in environment"
706 fi
707
708 byo-maybe-run
709}
710)zZXx");
711
712GLOBAL_STR(gStr37, R"zZXx(#!/usr/bin/env bash
713#
714# Testing library for bash and OSH.
715#
716# Capture status/stdout/stderr, and nq-assert those values.
717
718: ${LIB_OSH=stdlib/osh}
719source $LIB_OSH/two.sh
720
721nq-assert() {
722 ### Assertion with same syntax as shell 'test'
723
724 if ! test "$@"; then
725 die "line ${BASH_LINENO[0]}: nq-assert $(printf '%q ' "$@") failed"
726 fi
727}
728
729# Problem: we want to capture status and stdout at the same time
730#
731# We use:
732#
733# __stdout=$(set -o errexit; "$@")
734# __status=$?
735#
736# However, we lose the trailing \n, since that's how command subs work.
737
738# Here is another possibility:
739#
740# shopt -s lastpipe # need this too
741# ( set -o errexit; "$@" ) | read -r -d __stdout
742# __status=${PIPESTATUS[0]}
743# shopt -u lastpipe
744#
745# But this feels complex for just the \n issue, which can be easily worked
746# around.
747
748nq-run() {
749 ### capture status only
750
751 local -n out_status=$1
752 shift
753
754 local __status
755
756 # Tricky: turn errexit off so we can capture it, but turn it on against
757 set +o errexit
758 ( set -o errexit; "$@" )
759 __status=$?
760 set -o errexit
761
762 out_status=$__status
763}
764
765nq-capture() {
766 ### capture status and stdout
767
768 local -n out_status=$1
769 local -n out_stdout=$2
770 shift 2
771
772 local __status
773 local __stdout
774
775 # Tricky: turn errexit off so we can capture it, but turn it on against
776 set +o errexit
777 __stdout=$(set -o errexit; "$@")
778 __status=$?
779 set -o errexit
780
781 out_status=$__status
782 out_stdout=$__stdout
783}
784
785nq-capture-2() {
786 ### capture status and stderr
787
788 # This is almost identical to the above
789
790 local -n out_status=$1
791 local -n out_stderr=$2
792 shift 2
793
794 local __status
795 local __stderr
796
797 # Tricky: turn errexit off so we can capture it, but turn it on against
798 set +o errexit
799 __stderr=$(set -o errexit; "$@" 2>&1)
800 __status=$?
801 set -o errexit
802
803 out_status=$__status
804 out_stderr=$__stderr
805}
806
807# 'byo test' can set this?
808: ${NQ_TEST_TEMP=/tmp}
809
810nq-redir() {
811 ### capture status and stdout
812
813 local -n out_status=$1
814 local -n out_stdout_file=$2
815 shift 2
816
817 local __status
818 local __stdout_file=$NQ_TEST_TEMP/nq-redir-$$.txt
819
820 # Tricky: turn errexit off so we can capture it, but turn it on against
821 set +o errexit
822 ( set -o errexit; "$@" ) > $__stdout_file
823 __status=$?
824 set -o errexit
825
826 out_status=$__status
827 out_stdout_file=$__stdout_file
828}
829
830nq-redir-2() {
831 ### capture status and stdout
832
833 local -n out_status=$1
834 local -n out_stderr_file=$2
835 shift 2
836
837 local __status
838 local __stderr_file=$NQ_TEST_TEMP/nq-redir-$$.txt
839
840 # Tricky: turn errexit off so we can capture it, but turn it on against
841 set +o errexit
842 ( set -o errexit; "$@" ) 2> $__stderr_file
843 __status=$?
844 set -o errexit
845
846 out_status=$__status
847 out_stderr_file=$__stderr_file
848}
849)zZXx");
850
851GLOBAL_STR(gStr38, R"zZXx(#!/usr/bin/env bash
852#
853# Common shell functions for task scripts.
854#
855# Usage:
856# source $LIB_OSH/task-five.sh
857#
858# test-foo() { # define task functions
859# echo foo
860# }
861# task-five "$@"
862
863# Definition of a "task"
864#
865# - File invokes task-five "$@"
866# - or maybe you can look at its source
867# - It's a shell function
868# - Has ### docstring
869# - Doesn't start with _
870
871: ${LIB_OSH=stdlib/osh}
872source $LIB_OSH/byo-server.sh
873
874
875# List all functions defined in this file (and not in sourced files).
876_bash-print-funcs() {
877 ### Print shell functions in this file that don't start with _ (bash reflection)
878
879 local funcs
880 funcs=($(compgen -A function))
881 # extdebug makes `declare -F` print the file path, but, annoyingly, only
882 # if you pass the function names as arguments.
883 shopt -s extdebug
884 declare -F "${funcs[@]}" | grep --fixed-strings " $0" | awk '{print $1}'
885 shopt -u extdebug
886}
887
888_gawk-print-funcs() {
889 ### Print shell functions in this file that don't start with _ (awk parsing)
890
891 # Using gawk because it has match()
892 # - doesn't start with _
893
894 # space = / ' '* /
895 # shfunc = / %begin
896 # <capture !['_' ' '] ![' ']*>
897 # '()' space '{' space
898 # %end /
899 # docstring = / %begin
900 # space '###' ' '+
901 # <capture dot*>
902 # %end /
903 gawk '
904 match($0, /^([^_ ][^ ]*)\(\)[ ]*{[ ]*$/, m) {
905 #print NR " shfunc " m[1]
906 print m[1]
907 #print m[0]
908 }
909
910 match($0, /^[ ]*###[ ]+(.*)$/, m) {
911 print NR " docstring " m[1]
912 }
913' $0
914}
915
916_print-funcs() {
917 if command -v gawk > /dev/null; then
918 _gawk-print-funcs
919 else
920 _bash-print-funcs
921 fi
922}
923
924_show-help() {
925 # TODO:
926 # - Use awk to find comments at the top of the file?
927 # - Use OSH to extract docstrings
928 # - BYO_COMMAND=list-tasks will reuse that logic? It only applies to the
929 # current file, not anything in a different file?
930
931 echo "Usage: $0 TASK_NAME ARGS..."
932 echo
933 echo "To complete tasks, run:"
934 echo " source devtools/completion.bash"
935 echo
936 echo "Tasks:"
937
938 if command -v column >/dev/null; then
939 _print-funcs | column
940 else
941 _print-funcs
942 fi
943}
944
945task-five() {
946 # Respond to BYO_COMMAND=list-tasks, etc. All task files need this.
947 byo-maybe-run
948
949 case ${1:-} in
950 ''|--help|-h)
951 _show-help
952 exit 0
953 ;;
954 esac
955
956 if ! declare -f "$1" >/dev/null; then
957 echo "$0: '$1' isn't an action in this task file. Try '$0 --help'"
958 exit 1
959 fi
960
961 "$@"
962}
963)zZXx");
964
965GLOBAL_STR(gStr39, R"zZXx(# Two functions I actually use, all the time.
966#
967# To keep depenedencies small, this library will NEVER grow other functions
968# (and is named to imply that.)
969#
970# Usage:
971# source --builtin two.sh
972#
973# Examples:
974# log 'hi'
975# die 'expected a number'
976
977if command -v source-guard >/dev/null; then # include guard for YSH
978 source-guard two || return 0
979fi
980
981log() {
982 ### Write a message to stderr.
983 echo "$@" >&2
984}
985
986die() {
987 ### Write an error message with the script name, and exit with status 1.
988 log "$0: fatal: $@"
989 exit 1
990}
991
992)zZXx");
993
994GLOBAL_STR(gStr40, R"zZXx(# These were helpful while implementing args.ysh
995# Maybe we will want to export them in a prelude so that others can use them too?
996#
997# Prior art: Rust has `todo!()` which is quite nice. Other languages allow
998# users to `raise NotImplmentedError()`.
999
1000# Andy comments:
1001# - 'pass' can be : or true in shell. It's a little obscure / confusing, but
1002# there is an argument for minimalism. Although I prefer words like 'true',
1003# and that already means something.
1004# - UPDATE: we once took 'pass' as a keyword, but users complained because
1005# there is a command 'pass'. So we probably can't have this by default.
1006# Need to discuss source --builtin.
1007
1008# - todo could be more static? Rust presumably does it at compile time
1009
1010proc todo () {
1011 ## Raises a not implemented error when run.
1012 error ("TODO: not implemented") # TODO: is error code 1 ok?
1013}
1014
1015proc pass () {
1016 ## Use when you want to temporarily leave a block empty.
1017 _ null
1018}
1019)zZXx");
1020
1021GLOBAL_STR(gStr41, R"zZXx(# testing.ysh
1022#
1023# Usage:
1024# source --builtin testing.sh
1025#
1026# func f(x) { return (x + 1) }
1027#
1028# describe foo {
1029# assert (43 === f(42))
1030# }
1031#
1032# if is-main {
1033# run-tests @ARGV # --filter
1034# }
1035
1036module stdlib/testing || return 0
1037
1038source --builtin args.ysh
1039
1040proc assert ( ; cond ; fail_message='default fail message') {
1041 echo 'hi from assert'
1042
1043 = cond
1044
1045 # I think this might be ready now?
1046
1047 var val = evalExpr(cond)
1048
1049 echo
1050 echo 'value'
1051 = val
1052 pp line (val)
1053
1054 = fail_message
1055
1056 if (val) {
1057 echo 'OK'
1058 } else {
1059 var m = evalExpr(fail_message)
1060 echo "FAIL - this is where we extract the string - $m"
1061 }
1062}
1063
1064proc test-assert {
1065 var x = 42
1066 assert [42 === x]
1067}
1068
1069proc test-expr ( ; expr ) {
1070 echo 'expr'
1071 pp line (expr)
1072}
1073
1074proc test-named ( ; ; n=^[99] ) {
1075 echo 'n'
1076 pp line (n)
1077}
1078
1079# What happens when there are duplicate test IDs?
1080#
1081# Also I think filter by "$test_id/$case_id"
1082
1083proc __it (case_id ; ; ; block) {
1084 # This uses a clean directory
1085 echo TODO
1086}
1087
1088# is this accessible to users?
1089# It can contain a global list of things to run
1090
1091# Naming convention: a proc named 'describe' mutates a global named _describe?
1092# Or maybe _describe_list ?
1093
1094var _describe_list = []
1095
1096proc describe (test_id ; ; ; block) {
1097 echo describe
1098 #= desc
1099
1100 # TODO:
1101 # - need append
1102 # - need ::
1103 # _ _describe->append(cmd)
1104 #
1105 # Need to clean this up
1106 # append (_describe, cmd) # does NOT work!
1107
1108 call _describe_list->append(block)
1109}
1110
1111proc Args {
1112 echo TODO
1113}
1114
1115# Problem: this creates a global variable?
1116Args (&spec) {
1117 flag --filter 'Regex of test descriptions'
1118}
1119
1120proc run-tests {
1121 var opt, i = parseArgs(spec, ARGV)
1122
1123 # TODO:
1124 # - parse --filter foo, which you can use eggex for!
1125
1126 for cmd in (_describe) {
1127 # TODO: print filename and 'describe' name?
1128 try {
1129 eval (cmd)
1130 }
1131 if (_status !== 0) {
1132 echo 'failed'
1133 }
1134 }
1135}
1136)zZXx");
1137
1138GLOBAL_STR(gStr42, R"zZXx(# args.ysh
1139#
1140# Usage:
1141# source --builtin args.sh
1142#
1143# parser (&spec) {
1144# flag -v --verbose (help="Verbosely") # default is Bool, false
1145#
1146# flag -P --max-procs ('int', default=-1, doc='''
1147# Run at most P processes at a time
1148# ''')
1149#
1150# flag -i --invert ('bool', default=true, doc='''
1151# Long multiline
1152# Description
1153# ''')
1154#
1155# arg src (help='Source')
1156# arg dest (help='Dest')
1157# arg times (help='Foo')
1158#
1159# rest files
1160# }
1161#
1162# var args = parseArgs(spec, ARGV)
1163#
1164# echo "Verbose $[args.verbose]"
1165
1166# TODO: See list
1167# - It would be nice to keep `flag` and `arg` private, injecting them into the
1168# proc namespace only within `Args`
1169# - We need "type object" to replace the strings 'int', 'bool', etc.
1170# - flag builtin:
1171# - handle only long flag or only short flag
1172# - flag aliases
1173
1174proc parser (; place ; ; block_def) {
1175 ## Create an args spec which can be passed to parseArgs.
1176 ##
1177 ## Example:
1178 ##
1179 ## # NOTE: &spec will create a variable named spec
1180 ## parser (&spec) {
1181 ## flag -v --verbose ('bool')
1182 ## }
1183 ##
1184 ## var args = parseArgs(spec, ARGV)
1185
1186 var p = {flags: [], args: []}
1187 ctx push (p; ; block_def)
1188
1189 # Validate that p.rest = [name] or null and reduce p.rest into name or null.
1190 if ('rest' in p) {
1191 if (len(p.rest) > 1) {
1192 error '`rest` was called more than once' (code=3)
1193 } else {
1194 setvar p.rest = p.rest[0]
1195 }
1196 } else {
1197 setvar p.rest = null
1198 }
1199
1200 var names = {}
1201 for items in ([p.flags, p.args]) {
1202 for x in (items) {
1203 if (x.name in names) {
1204 error "Duplicate flag/arg name $[x.name] in spec" (code=3)
1205 }
1206
1207 setvar names[x.name] = null
1208 }
1209 }
1210
1211 # TODO: what about `flag --name` and then `arg name`?
1212
1213 call place->setValue(p)
1214}
1215
1216proc flag (short, long ; type='bool' ; default=null, help=null) {
1217 ## Declare a flag within an `arg-parse`.
1218 ##
1219 ## Examples:
1220 ##
1221 ## arg-parse (&spec) {
1222 ## flag -v --verbose
1223 ## flag -n --count ('int', default=1)
1224 ## flag -f --file ('str', help="File to process")
1225 ## }
1226
1227 # bool has a default of false, not null
1228 if (type === 'bool' and default === null) {
1229 setvar default = false
1230 }
1231
1232 # TODO: validate `type`
1233
1234 # TODO: Should use "trimPrefix"
1235 var name = long[2:]
1236
1237 ctx emit flags ({short, long, name, type, default, help})
1238}
1239
1240proc arg (name ; ; help=null) {
1241 ## Declare a positional argument within an `arg-parse`.
1242 ##
1243 ## Examples:
1244 ##
1245 ## arg-parse (&spec) {
1246 ## arg name
1247 ## arg config (help="config file path")
1248 ## }
1249
1250 ctx emit args ({name, help})
1251}
1252
1253proc rest (name) {
1254 ## Take the remaining positional arguments within an `arg-parse`.
1255 ##
1256 ## Examples:
1257 ##
1258 ## arg-parse (&grepSpec) {
1259 ## arg query
1260 ## rest files
1261 ## }
1262
1263 # We emit instead of set to detect multiple invocations of "rest"
1264 ctx emit rest (name)
1265}
1266
1267func parseArgs(spec, argv) {
1268 ## Given a spec created by `parser`. Parse an array of strings `argv` per
1269 ## that spec.
1270 ##
1271 ## See `parser` for examples of use.
1272
1273 var i = 0
1274 var positionalPos = 0
1275 var argc = len(argv)
1276 var args = {}
1277 var rest = []
1278
1279 var value
1280 var found
1281 while (i < argc) {
1282 var arg = argv[i]
1283 if (arg->startsWith('-')) {
1284 setvar found = false
1285
1286 for flag in (spec.flags) {
1287 if ( (flag.short and flag.short === arg) or
1288 (flag.long and flag.long === arg) ) {
1289 case (flag.type) {
1290 ('bool') | (null) { setvar value = true }
1291 int {
1292 setvar i += 1
1293 if (i >= len(argv)) {
1294 error "Expected integer after '$arg'" (code=2)
1295 }
1296
1297 try { setvar value = int(argv[i]) }
1298 if (_status !== 0) {
1299 error "Expected integer after '$arg', got '$[argv[i]]'" (code=2)
1300 }
1301 }
1302 }
1303
1304 setvar args[flag.name] = value
1305 setvar found = true
1306 break
1307 }
1308 }
1309
1310 if (not found) {
1311 error "Unknown flag '$arg'" (code=2)
1312 }
1313 } elif (positionalPos >= len(spec.args)) {
1314 if (not spec.rest) {
1315 error "Too many arguments, unexpected '$arg'" (code=2)
1316 }
1317
1318 call rest->append(arg)
1319 } else {
1320 var pos = spec.args[positionalPos]
1321 setvar positionalPos += 1
1322 setvar value = arg
1323 setvar args[pos.name] = value
1324 }
1325
1326 setvar i += 1
1327 }
1328
1329 if (spec.rest) {
1330 setvar args[spec.rest] = rest
1331 }
1332
1333 # Set defaults for flags
1334 for flag in (spec.flags) {
1335 if (flag.name not in args) {
1336 setvar args[flag.name] = flag.default
1337 }
1338 }
1339
1340 # Raise error on missing args
1341 for arg in (spec.args) {
1342 if (arg.name not in args) {
1343 error "Usage Error: Missing required argument $[arg.name]" (code=2)
1344 }
1345 }
1346
1347 return (args)
1348}
1349)zZXx");
1350
1351GLOBAL_STR(gStr43, R"zZXx(func any(list) {
1352 ### Returns true if any value in the list is truthy.
1353 # Empty list: returns false
1354
1355 for item in (list) {
1356 if (item) {
1357 return (true)
1358 }
1359 }
1360 return (false)
1361}
1362
1363func all(list) {
1364 ## Returns true if all values in the list are truthy.
1365 # Empty list: returns true
1366
1367 for item in (list) {
1368 if (not item) {
1369 return (false)
1370 }
1371 }
1372 return (true)
1373}
1374
1375func sum(list; start=0) {
1376 ### Returns the sum of all elements in the list.
1377 # Empty list: returns 0
1378
1379 var sum = start
1380 for item in (list) {
1381 setvar sum += item
1382 }
1383 return (sum)
1384}
1385
1386func repeat(x, n) {
1387 ### Returns a list with the given string or list repeated
1388
1389 # Like Python's 'foo'*3 or ['foo', 'bar']*3
1390 # negative numbers are like 0 in Python
1391
1392 var t = type(x)
1393 case (t) {
1394 Str {
1395 var parts = []
1396 for i in (0 .. n) {
1397 call parts->append(x)
1398 }
1399 return (join(parts))
1400 }
1401 List {
1402 var result = []
1403 for i in (0 .. n) {
1404 call result->extend(x)
1405 }
1406 return (result)
1407 }
1408 (else) {
1409 error "Expected Str or List, got $t"
1410 }
1411 }
1412}
1413)zZXx");
1414
1415GLOBAL_STR(gStr44, R"zZXx(func __math_select(list, cmp) {
1416 ## Internal helper for `max` and `min`.
1417 ##
1418 ## NOTE: If `list` is empty, then an error is thrown.
1419
1420 if (len(list) === 0) {
1421 error "Unexpected empty list" (code=3)
1422 }
1423
1424 if (len(list) === 1) {
1425 return (list[0])
1426 }
1427
1428 var match = list[0]
1429 for i in (1 .. len(list)) {
1430 setvar match = cmp(list[i], match)
1431 }
1432 return (match)
1433}
1434
1435func max(...args) {
1436 ## Compute the maximum of 2 or more values.
1437 ##
1438 ## `max` takes two different signatures:
1439 ## - `max(a, b)` to return the maximum of `a`, `b`
1440 ## - `max(list)` to return the greatest item in the `list`
1441 ##
1442 ## So, for example:
1443 ##
1444 ## max(1, 2) # => 2
1445 ## max([1, 2, 3]) # => 3
1446
1447 case (len(args)) {
1448 (1) { return (__math_select(args[0], max)) }
1449 (2) {
1450 if (args[0] > args[1]) {
1451 return (args[0])
1452 } else {
1453 return (args[1])
1454 }
1455 }
1456 (else) { error "max expects 1 or 2 args" (code=3) }
1457 }
1458}
1459
1460func min(...args) {
1461 ## Compute the minimum of 2 or more values.
1462 ##
1463 ## `min` takes two different signatures:
1464 ## - `min(a, b)` to return the minimum of `a`, `b`
1465 ## - `min(list)` to return the least item in the `list`
1466 ##
1467 ## So, for example:
1468 ##
1469 ## min(2, 3) # => 2
1470 ## max([1, 2, 3]) # => 1
1471
1472 case (len(args)) {
1473 (1) { return (__math_select(args[0], min)) }
1474 (2) {
1475 if (args[0] < args[1]) {
1476 return (args[0])
1477 } else {
1478 return (args[1])
1479 }
1480 }
1481 (else) { error "min expects 1 or 2 args" (code=3) }
1482 }
1483}
1484
1485func abs(x) {
1486 ## Compute the absolute (positive) value of a number (float or int).
1487
1488 if (x < 0) {
1489 return (-x)
1490 } else {
1491 return (x)
1492 }
1493}
1494)zZXx");
1495
1496GLOBAL_STR(gStr45, R"zZXx(# stream.ysh
1497#
1498# Usage:
1499# source --builtin stream.ysh
1500#
1501# For reading lines, decoding, extracting, splitting
1502
1503# make this file a test server
1504source $LIB_OSH/byo-server.sh
1505
1506source $LIB_YSH/args.ysh
1507
1508proc slurp-by (; num_lines) {
1509 # TODO: (stdin)
1510 for line in (stdin) {
1511 echo TODO
1512 }
1513}
1514
1515# Note:
1516# - these are all the same algorithm
1517# - also word, block, etc. are all optional
1518
1519proc each-line (...words; template=null; ; block=null) {
1520 # TODO:
1521 # parse --j8 --max-jobs flag
1522
1523 # parse template_str as string
1524 # TODO: this is dangerous though ... because you can execute code
1525 # I think you need a SAFE version
1526
1527 # evaluate template string expression - I guess that allows $(echo hi) and so
1528 # forth
1529
1530 # evaluate block with _line binding
1531 # block: execute in parallel with --max-jobs
1532
1533 for line in (stdin) {
1534 echo TODO
1535 }
1536}
1537
1538proc test-each-line {
1539 echo 'TODO: need basic test runner'
1540
1541 # ysh-tool test stream.ysh
1542 #
1543 # Col
1544
1545
1546}
1547
1548proc each-row (; ; block) {
1549 echo TODO
1550}
1551
1552proc split-by (; ifs=null; block) {
1553 echo TODO
1554}
1555
1556proc if-split-by (; ifs=null; block) {
1557 echo TODO
1558}
1559
1560proc chop () {
1561 ### alias for if-split-by
1562 echo TODO
1563}
1564
1565proc must-match (; pattern; block) {
1566 echo TODO
1567}
1568
1569proc if-match (; pattern; block) {
1570 echo TODO
1571}
1572
1573# Protocol:
1574#
1575# - The file lists its tests the "actions"
1576# - Then the test harness runs them
1577# - But should it be ENV vars
1578#
1579# - BYO_LIST_TESTS=1
1580# - BYO_RUN_TEST=foo
1581# - $PWD is a CLEAN temp dir, the process doesn't have to do anything
1582
1583# - silent on success, but prints file on output
1584# - OK this makes sense
1585#
1586# The trivial test in Python:
1587#
1588# from test import byo
1589# byo.maybe_main()
1590#
1591# bash library:
1592# source --builtin byo-server.sh
1593#
1594# byo-maybe-main # reads env variables, and then exits
1595#
1596# source --builtin assertions.ysh
1597#
1598# assert-ok 'echo hi'
1599# assert-stdout 'hi' 'echo -n hi'
1600#
1601# "$@"
1602#
1603# Run all tests
1604# util/byo-client.sh run-tests $YSH stdlib/table.ysh
1605# util/byo-client.sh run-tests -f x $YSH stdlib/table.ysh
1606
1607# Clean process
1608# Clean working dir
1609
1610#
1611# Stream Protocol:
1612# #.byo - is this she-dot, that's for a file
1613# Do we need metadata?
1614#
1615
1616# The harness
1617#
1618# It's process based testing.
1619#
1620# Test runner process: bash or OSH (unlike sharness!)
1621# Tested process: any language - bash,
1622#
1623# Key point: you don't have to quote shell code?
1624
1625list-byo-tests() {
1626 echo TODO
1627}
1628
1629run-byo-tests() {
1630 # source it
1631 echo TODO
1632}
1633
1634byo-maybe-run
1635)zZXx");
1636
1637GLOBAL_STR(gStr46, R"zZXx(# table.ysh - Library for tables.
1638#
1639# Usage:
1640# source --builtin table.ysh
1641
1642# make this file a test server
1643source --builtin osh/byo-server.sh
1644
1645proc table (...words; place; ; block) {
1646 var n = len(words)
1647
1648 # TODO: parse flags
1649 #
1650 # --by-row
1651 # --by-col
1652 #
1653 # Place is optional
1654
1655 if (n === 0) {
1656 echo TODO
1657 return
1658 }
1659
1660 var action = words[0]
1661
1662 # textual operations
1663 case (action) {
1664 cat {
1665 echo todo
1666 }
1667 align {
1668 echo todo
1669 }
1670 tabify {
1671 echo todo
1672 }
1673 tabify {
1674 echo todo
1675 }
1676 header {
1677 echo todo
1678 }
1679 slice {
1680 # this has typed args
1681 # do we do some sort of splat?
1682 echo todo
1683 }
1684 to-tsv {
1685 echo todo
1686 }
1687 }
1688
1689 echo TODO
1690}
1691
1692proc test-table {
1693 return
1694
1695 table (&files1) {
1696 cols num_bytes path
1697 type Int Str
1698
1699 row 10 README.md
1700 row 12 main.py
1701
1702 row (12, 'lib.py')
1703 row (num_bytes=12, path='util.py')
1704 }
1705
1706 # 2 columns - The default is by column?
1707 assert ['Dict' === type(files1)]
1708 assert [2 === len(files1)]
1709
1710 # Same table
1711 table --by-row (&files2) {
1712 cols num_bytes path
1713 type Int Str
1714
1715 row 10 README.md
1716 row 12 main.py
1717
1718 row (12, 'lib.py')
1719 row (num_bytes=12, path='util.py')
1720 }
1721
1722 # 4 rows
1723 assert ['List' === type(files2)]
1724 assert [4 === len(files2)]
1725}
1726
1727# "subcommands" of the dialect
1728
1729proc cols (...names) {
1730 # cols name age
1731 echo TODO
1732}
1733
1734proc types (...types) {
1735 # types - Int? Str?
1736 echo TODO
1737}
1738
1739proc attr (name; ...values) {
1740 # attr units ('-', 'secs')
1741 echo TODO
1742}
1743
1744# is this allowed outside table {} blocks too?
1745proc row {
1746 echo TODO
1747}
1748
1749#
1750# dplyr names
1751#
1752
1753# TODO: can we parse select?
1754
1755proc where {
1756 echo
1757}
1758
1759# TODO: should be able to test argv[0] or something
1760# Or pass to _mutate-transmute
1761
1762proc mutate {
1763 echo TODO
1764}
1765
1766proc transmute {
1767 echo TODO
1768}
1769
1770proc rename {
1771 echo TODO
1772}
1773
1774proc group-by {
1775 echo TODO
1776}
1777
1778proc sort-by {
1779 echo TODO
1780}
1781
1782proc summary {
1783 echo TODO
1784}
1785
1786byo-maybe-run
1787)zZXx");
1788
1789GLOBAL_STR(gStr47, R"zZXx(#!/usr/bin/env bash
1790#
1791# Testing library for bash and OSH.
1792#
1793# Capture status/stdout/stderr, and nq-assert those values.
1794
1795#module yblocks || return 0
1796
1797: ${LIB_OSH=stdlib/osh}
1798source $LIB_OSH/two.sh
1799
1800# There is no yb-run, because you can just use try { } and inspect _error.code
1801# There is no yb-redir, because you can just use try >$tmp { } and inspect _error.code
1802
1803proc yb-capture(; out; ; block) {
1804 ### capture status and stderr
1805
1806 var stdout = ''
1807 try {
1808 eval (block) | read --all (&stdout)
1809 }
1810 # TODO: if 'block' contains a pipeline, we lose this magic var
1811 var result = {status: _pipeline_status[0], stdout}
1812
1813 #echo 'result-1'
1814 #pp line (result)
1815
1816 call out->setValue(result)
1817}
1818
1819proc yb-capture-2(; out; ; block) {
1820 ### capture status and stderr
1821
1822 var stderr = ''
1823 try {
1824 eval (block) 2>&1 | read --all (&stderr)
1825 }
1826 #pp line (_pipeline_status)
1827
1828 var result = {status: _pipeline_status[0], stderr}
1829 #echo 'result-2'
1830 #pp line (result)
1831
1832 call out->setValue(result)
1833}
1834)zZXx");
1835
1836
1837
1838TextFile array[] = {
1839 {.rel_path = "_devbuild/help/data-errors", .contents = gStr0},
1840 {.rel_path = "_devbuild/help/data-front-end", .contents = gStr1},
1841 {.rel_path = "_devbuild/help/data-j8-notation", .contents = gStr2},
1842 {.rel_path = "_devbuild/help/help", .contents = gStr3},
1843 {.rel_path = "_devbuild/help/oils-usage", .contents = gStr4},
1844 {.rel_path = "_devbuild/help/osh-builtin-cmd", .contents = gStr5},
1845 {.rel_path = "_devbuild/help/osh-chapters", .contents = gStr6},
1846 {.rel_path = "_devbuild/help/osh-cmd-lang", .contents = gStr7},
1847 {.rel_path = "_devbuild/help/osh-front-end", .contents = gStr8},
1848 {.rel_path = "_devbuild/help/osh-mini-lang", .contents = gStr9},
1849 {.rel_path = "_devbuild/help/osh-option", .contents = gStr10},
1850 {.rel_path = "_devbuild/help/osh-osh-assign", .contents = gStr11},
1851 {.rel_path = "_devbuild/help/osh-plugin", .contents = gStr12},
1852 {.rel_path = "_devbuild/help/osh-special-var", .contents = gStr13},
1853 {.rel_path = "_devbuild/help/osh-stdlib", .contents = gStr14},
1854 {.rel_path = "_devbuild/help/osh-type-method", .contents = gStr15},
1855 {.rel_path = "_devbuild/help/osh-usage", .contents = gStr16},
1856 {.rel_path = "_devbuild/help/osh-word-lang", .contents = gStr17},
1857 {.rel_path = "_devbuild/help/ysh-builtin-cmd", .contents = gStr18},
1858 {.rel_path = "_devbuild/help/ysh-builtin-func", .contents = gStr19},
1859 {.rel_path = "_devbuild/help/ysh-chapters", .contents = gStr20},
1860 {.rel_path = "_devbuild/help/ysh-cmd-lang", .contents = gStr21},
1861 {.rel_path = "_devbuild/help/ysh-expr-lang", .contents = gStr22},
1862 {.rel_path = "_devbuild/help/ysh-front-end", .contents = gStr23},
1863 {.rel_path = "_devbuild/help/ysh-mini-lang", .contents = gStr24},
1864 {.rel_path = "_devbuild/help/ysh-option", .contents = gStr25},
1865 {.rel_path = "_devbuild/help/ysh-plugin", .contents = gStr26},
1866 {.rel_path = "_devbuild/help/ysh-special-var", .contents = gStr27},
1867 {.rel_path = "_devbuild/help/ysh-stdlib", .contents = gStr28},
1868 {.rel_path = "_devbuild/help/ysh-type-method", .contents = gStr29},
1869 {.rel_path = "_devbuild/help/ysh-usage", .contents = gStr30},
1870 {.rel_path = "_devbuild/help/ysh-word-lang", .contents = gStr31},
1871 {.rel_path = "_devbuild/help/ysh-ysh-cmd", .contents = gStr32},
1872 {.rel_path = "stdlib/funcs.ysh", .contents = gStr33},
1873 {.rel_path = "stdlib/methods.ysh", .contents = gStr34},
1874 {.rel_path = "stdlib/osh/bash-strict.sh", .contents = gStr35},
1875 {.rel_path = "stdlib/osh/byo-server.sh", .contents = gStr36},
1876 {.rel_path = "stdlib/osh/no-quotes.sh", .contents = gStr37},
1877 {.rel_path = "stdlib/osh/task-five.sh", .contents = gStr38},
1878 {.rel_path = "stdlib/osh/two.sh", .contents = gStr39},
1879 {.rel_path = "stdlib/prelude.ysh", .contents = gStr40},
1880 {.rel_path = "stdlib/testing.ysh", .contents = gStr41},
1881 {.rel_path = "stdlib/ysh/args.ysh", .contents = gStr42},
1882 {.rel_path = "stdlib/ysh/list.ysh", .contents = gStr43},
1883 {.rel_path = "stdlib/ysh/math.ysh", .contents = gStr44},
1884 {.rel_path = "stdlib/ysh/stream.ysh", .contents = gStr45},
1885 {.rel_path = "stdlib/ysh/table.ysh", .contents = gStr46},
1886 {.rel_path = "stdlib/ysh/yblocks.ysh", .contents = gStr47},
1887
1888 {.rel_path = nullptr, .contents = nullptr},
1889};
1890
1891} // namespace embedded_file
1892
1893TextFile* gEmbeddedFiles = embedded_file::array; // turn array into pointer