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cmd: update vast -t help text (#12939)

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lydiandy 2021-12-23 17:23:35 +08:00 committed by GitHub
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cmd/v/help/ast.txt
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Usage: Usage: v ast demo.v generate demo.json file.
v ast [options] path_to_source.v or: v ast -w demo.v generate demo.json file, and watch for changes.
or: v ast -c demo.v generate demo.json *and* a demo.c file, and watch for changes.
or: v ast -p demo.v print the json output to stdout.
Generate AST json file from v source file. Description: Dump a JSON representation of the V AST for a given .v or .vsh file.
By default, `v ast` will save the JSON to a .json file, named after the .v file.
Pass -p to see it instead.
The arguments should be at least 1 in number.
Options: Options:
-w -w, --watch watch a .v file for changes, rewrite the .json file, when a change is detected
generate ast json file, and watch for changes. -p, --print print the AST to stdout
-c -c, --compile watch the .v file for changes, rewrite the .json file, *AND* generate a .c file too on any change
generate ast json file and c file, and watch for changes. -t, --terse terse output, only with tree node names (AST structure), no details
-p --hide <multiple strings>
print the json string to stdout. hide the specified fields. You can give several, by separating them with `,`
-h, --help display this help and exit
--version output version information and exit