| 1 | #!/usr/bin/env python2
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| 2 | # Copyright 2016 Andy Chu. All rights reserved.
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| 3 | # Licensed under the Apache License, Version 2.0 (the "License");
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| 4 | # you may not use this file except in compliance with the License.
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| 5 | # You may obtain a copy of the License at
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| 6 | #
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| 7 | # http://www.apache.org/licenses/LICENSE-2.0
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| 8 | """Misc builtins."""
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| 9 | from __future__ import print_function
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| 10 |
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| 11 | from _devbuild.gen.runtime_asdl import cmd_value
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| 12 | from _devbuild.gen.syntax_asdl import loc_t
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| 13 | from core import pyos
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| 14 | from core import pyutil
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| 15 | from core import util
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| 16 | from core import vm
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| 17 | from frontend import flag_util
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| 18 | from mycpp import mylib
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| 19 | from mycpp.mylib import log
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| 20 |
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| 21 | from typing import Dict, TYPE_CHECKING
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| 22 | if TYPE_CHECKING:
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| 23 | from core.pyutil import _ResourceLoader
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| 24 | from core import ui
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| 25 |
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| 26 | _ = log
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| 27 |
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| 28 |
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| 29 | class Times(vm._Builtin):
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| 30 |
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| 31 | def __init__(self):
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| 32 | # type: () -> None
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| 33 | vm._Builtin.__init__(self)
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| 34 |
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| 35 | def Run(self, cmd_val):
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| 36 | # type: (cmd_value.Argv) -> int
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| 37 | pyos.PrintTimes()
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| 38 | return 0
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| 39 |
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| 40 |
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| 41 | # Needs a different _ResourceLoader to translate
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| 42 | class Help(vm._Builtin):
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| 43 |
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| 44 | def __init__(self, lang, loader, help_data, errfmt):
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| 45 | # type: (str, _ResourceLoader, Dict[str, str], ui.ErrorFormatter) -> None
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| 46 | self.lang = lang
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| 47 | self.loader = loader
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| 48 | self.help_data = help_data
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| 49 | self.errfmt = errfmt
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| 50 | self.version_str = pyutil.GetVersion(self.loader)
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| 51 | self.f = mylib.Stdout()
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| 52 |
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| 53 | def _ShowTopic(self, topic_id, blame_loc):
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| 54 | # type: (str, loc_t) -> int
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| 55 |
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| 56 | prefix = 'https://www.oilshell.org/release'
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| 57 |
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| 58 | # For local preview
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| 59 | if 0:
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| 60 | prefix = 'file:///home/andy/git/oilshell/oil/_release'
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| 61 | self.version_str = 'VERSION'
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| 62 |
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| 63 | chapter_name = self.help_data.get(topic_id)
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| 64 |
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| 65 | # If we have a chapter name, it's not embedded in the binary. So just
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| 66 | # print the URL.
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| 67 | if chapter_name is not None:
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| 68 | util.PrintTopicHeader(topic_id, self.f)
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| 69 | print(' %s/%s/doc/ref/chap-%s.html#%s' %
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| 70 | (prefix, self.version_str, chapter_name, topic_id))
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| 71 | return 0
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| 72 |
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| 73 | found = util.PrintEmbeddedHelp(self.loader, topic_id, self.f)
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| 74 | if not found:
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| 75 | # Notes:
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| 76 | # 1. bash suggests:
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| 77 | # man -k zzz
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| 78 | # info zzz
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| 79 | # help help
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| 80 | # We should do something smarter.
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| 81 |
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| 82 | # 2. This also happens on 'build/dev.sh minimal', which isn't quite
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| 83 | # accurate. We don't have an exact list of help topics!
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| 84 |
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| 85 | # 3. This is mostly an interactive command. Is it obnoxious to
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| 86 | # quote the line of code?
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| 87 | self.errfmt.Print_('no help topics match %r' % topic_id, blame_loc)
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| 88 | return 1
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| 89 |
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| 90 | return 0
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| 91 |
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| 92 | def Run(self, cmd_val):
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| 93 | # type: (cmd_value.Argv) -> int
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| 94 |
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| 95 | attrs, arg_r = flag_util.ParseCmdVal('help', cmd_val)
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| 96 | #arg = arg_types.help(attrs.attrs)
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| 97 |
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| 98 | topic_id, blame_loc = arg_r.Peek2()
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| 99 | if topic_id is None:
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| 100 | found = self._ShowTopic('help', blame_loc) == 0
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| 101 | assert found
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| 102 |
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| 103 | # e.g. ysh-chapters
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| 104 | found = self._ShowTopic('%s-chapters' % self.lang, blame_loc) == 0
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| 105 | assert found
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| 106 |
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| 107 | print('All docs: https://www.oilshell.org/release/%s/doc/' %
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| 108 | self.version_str)
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| 109 | print('')
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| 110 |
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| 111 | return 0
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| 112 | else:
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| 113 | arg_r.Next()
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| 114 |
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| 115 | return self._ShowTopic(topic_id, blame_loc)
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