240 lines
9.9 KiB
Python
240 lines
9.9 KiB
Python
import re
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import commands
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from tab import StackTabber
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from mode import Fundamental
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from lex import Grammar, PatternRule, RegionRule, PatternMatchRule, OverridePatternRule
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from method import Method
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from method.shell import Interact
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char = '[a-zA-Z0-9_]'
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word = char + '+'
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pname = '[.a-zA-Z0-9_]+'
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class StringGrammar1(Grammar): pass
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class StringGrammar2(Grammar): pass
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class HereGrammar(Grammar): pass
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class EvalGrammar(Grammar): pass
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class NevalGrammar(Grammar): pass
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class StanzaGrammar(Grammar): pass
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class CaseGrammar(Grammar): pass
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class TestGrammar(Grammar): pass
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class ShGrammar(Grammar): pass
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StringGrammar1.rules = [
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PatternRule(r'data', r'[^\']+'),
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]
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StringGrammar2.rules = [
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PatternRule(r'escaped', r'\\.'),
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PatternRule(r'variable', r"\${(?:" + word + "|\?\$)}"),
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PatternRule(r"variable", r"\$" + word),
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PatternRule(r'variable', r"\$(?=\()"),
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PatternRule(r'data', r'[^\\$"]+'),
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]
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HereGrammar.rules = [
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PatternRule(r'escaped', r'\\.'),
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PatternRule(r'variable', r"\${(?:" + word + "|\?\$)}"),
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PatternRule(r"variable", r"\$" + word),
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PatternRule(r'variable', r"\$(?=\()"),
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PatternRule(r'data', r'[^\\$]+'),
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]
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EvalGrammar.rules = [
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RegionRule(r'string', "'", StringGrammar1, "'"),
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RegionRule(r'string', '"', StringGrammar2, '"'),
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PatternRule(r'escaped', r'\\.'),
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PatternRule(r'variable', r"\${(?:" + word + "|\?\$)}"),
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PatternRule(r"variable", r"\$" + word),
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PatternRule(r'variable', r"\$(?=\()"),
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PatternRule(r'data', r'[^\\`$\'"]+'),
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]
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NevalGrammar.rules = [
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RegionRule(r'string', "'", Grammar, "'"),
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RegionRule(r'string', '"', StringGrammar2, '"'),
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PatternRule(r'escaped', r'\\.'),
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PatternRule(r'variable', r"\${(?:" + word + "|\?\$)}"),
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PatternRule(r"variable", r"\$" + word),
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PatternRule(r'variable', r"\$(?=\()"),
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PatternRule(r'data', r'[^\\)$]+'),
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]
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StanzaGrammar.rules = [
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PatternRule(r'spaces', r' +'),
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PatternRule(r'start_cont', r'.+\\'),
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PatternRule(r'eol', r'\n'),
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]
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CaseGrammar.rules = [
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PatternRule(r'comment', r'#.*$'),
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PatternRule(r'spaces', r' +'),
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RegionRule(r'stanza', r'.+\\\n$', StanzaGrammar, r'.+\)', ShGrammar, r';;'),
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RegionRule(r'stanza', r'.+?\)', ShGrammar, r';;'),
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PatternRule(r'eol', r'\n'),
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]
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TestGrammar.rules = [
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PatternRule(r'spaces', r' +'),
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PatternRule(r'sh_builtin', r"(?<![-a-zA-Z0-9_])(?:source|alias|bg|bind|break|builtin|cd|command|compgen|complete|declare|dirs|disown|echo|enable|eval|exec|exit|export|fc|fg|getops|hash|help|history|jobs|kill|let|local|logout|popd|printf|pushd|pwd|readonly|read|return|set|shift|shopt|suspend|test|times|trap|type|ulimit|umask|unalias|unset|wait)(?![a-zA-Z0-9_=/])"),
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PatternRule(r'sh_reserved', r"(?:done|do|elif|else|esac|fi|for|function|if|in|select|then|until|while|time)(?![a-zA-Z0-9_=/])"),
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PatternRule(r'binop', r'==|=|!='),
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PatternRule(r'binop', r'-(?:nt|ot|ef|eq|ne|lt|gt|le|ge)(?!' + char + ')'),
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PatternRule(r'unop', r'-[a-zA-Z](?!' + char + ')'),
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PatternRule(r'continuation', r'\\\n$'),
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PatternRule(r'redirect', r'<|>'),
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PatternRule(r'delimiter', r";;|[();{}|&><]"),
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RegionRule(r'test', r'test(?![a-zA-Z0-9_=/])', None, r';|\n'),
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RegionRule(r'test2', r'\[\[', None, r'\]\]'),
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RegionRule(r'test3', r'\[', None, r'\]'),
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RegionRule(r'eval', r'`', EvalGrammar, r'`'),
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RegionRule(r'neval', r'\$\(', NevalGrammar, r'\)'),
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PatternRule(r'variable', r"(?:^|(?<= ))" + word + "(?==)"),
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PatternRule(r'variable', r"\${(?:" + word + "|\?\$)}"),
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PatternRule(r"variable", r"\$" + word),
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PatternRule(r'variable', r"\$(?=\()"),
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RegionRule(r'string', "'", StringGrammar1, "'"),
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RegionRule(r'string', '"', StringGrammar2, '"'),
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PatternRule(r'sh_bareword', r'[-a-zA-Z0-9_.]+'),
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]
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ShGrammar.rules = [
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PatternMatchRule('x', '( *)(' + word + ')(=)',
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'spaces', 'variable', 'delimiter'),
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PatternMatchRule('x', '(alias|export)( +)(' + word + ')(=)',
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'sh_builtin', 'spaces', 'variable', 'delimiter'),
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PatternMatchRule('x', '(unset)( +)(' + word + ')',
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'sh_builtin', 'spaces', 'variable'),
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PatternRule(r'spaces', r' +'),
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RegionRule(r'heredoc', r"<<[<\\]?(?P<heredoc>" + word + ")", None, "\n", HereGrammar, r'^%(heredoc)s$'),
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RegionRule(r'heredoc', r"<<-(?P<heredoc>" + word + ")", None, "\n", HereGrammar, r'^ *%(heredoc)s$'),
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PatternRule(r'sh_function', word + r'(?= *\(\))'),
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PatternRule(r'sh_reserved', r"(?:done|do|elif|else|esac|fi|for|function|if|in|select|then|until|while|time)(?![a-zA-Z0-9_=/])"),
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RegionRule(r'case', r'case', None, 'in', CaseGrammar, r'esac'),
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PatternRule(r'sh_builtin', r"(?<![-a-zA-Z0-9_])(?:source|alias|bg|bind|break|builtin|cd|command|compgen|complete|declare|dirs|disown|echo|enable|eval|exec|exit|export|fc|fg|getops|hash|help|history|jobs|kill|let|local|logout|popd|printf|pushd|pwd|readonly|read|return|set|shift|shopt|suspend|times|trap|type|ulimit|umask|unalias|unset|wait)(?![a-zA-Z0-9_=/])(?![-a-zA-Z0-9_])"),
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RegionRule(r'test', r'test', TestGrammar, r';|\n'),
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RegionRule(r'test2', r'\[\[', TestGrammar, r'\]\]'),
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RegionRule(r'test3', r'\[', TestGrammar, r'\]'),
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PatternRule(r'redirect', r'<|>'),
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PatternRule(r'delimiter', r";;|[();{}|&><:=/]"),
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RegionRule(r'eval', r'`', EvalGrammar, r'`'),
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RegionRule(r'neval', r'\$\(', NevalGrammar, r'\)'),
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PatternRule(r'variable', r"\${(?:" + word + "|\?\$)}"),
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PatternRule(r"variable", r"\$" + word),
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#PatternRule(r'variable', r"\$(?=\()"),
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RegionRule(r'string', "'", StringGrammar1, "'"),
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RegionRule(r'string', '"', StringGrammar2, '"'),
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OverridePatternRule(r'comment', r'#@@:(?P<token>' + pname + '):(?P<mode>' + pname + ') *$'),
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PatternRule(r'comment', r'#.*$'),
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PatternRule(r'sh_bareword', r'(?:[-a-zA-Z0-9_.]|\\.)+'),
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PatternRule(r'continuation', r'\\\n$'),
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PatternRule(r'eol', r'\n$'),
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]
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class ShTabber(StackTabber):
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def is_base(self, y):
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if y == 0:
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return True
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highlighter = self.mode.window.buffer.highlights[self.mode.name]
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if not highlighter.tokens[y]:
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return False
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t = highlighter.tokens[y][0]
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return t.name == 'sh_function'
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def _handle_close_token(self, currlvl, y, i):
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s = self.get_token(y, i).string
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if s == ')' and self.markers and self._peek_name() == "case":
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# we have to ignore ) when used in "case" statements.
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return currlvl
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else:
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return StackTabber._handle_close_token(self, currlvl, y, i)
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def _handle_other_token(self, currlvl, y, i):
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w = self.mode.tabwidth
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token = self.get_token(y, i)
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fqname = token.fqname()
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if token.name == 'continuation':
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self._opt_append("cont", currlvl + w)
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elif token.name == 'sh_reserved' and token.string == 'else':
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currlvl -= w
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elif token.name == 'eol':
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self._opt_pop("cont")
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return currlvl
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class ShCheckSyntax(Method):
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'''Check the syntax of a shell script'''
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def _execute(self, w, **vargs):
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app = w.application
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cmd = "bash -n %r" % w.buffer.path
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(status, output) = commands.getstatusoutput(cmd)
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if status == 0:
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app.set_error("Syntax OK")
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app.data_buffer("*Sh-Check-Syntax*", output, switch_to=False)
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else:
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app.data_buffer("*Sh-Check-Syntax*", output)
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class BashStart(Interact):
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args = []
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reuse = True
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def _execute(self, w, **vargs):
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Interact._execute(self, w, bname='*Bash*', cmd='bash')
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class BashLoadFile(Interact):
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args = []
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reuse = True
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def _execute(self, w, **vargs):
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path = w.buffer.path
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cmd = 'bash %r' % path
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Interact._execute(self, w, bname='*Bash*', cmd=cmd)
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b = w.application.get_buffer_by_name('*Bash*')
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class Sh(Fundamental):
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name = 'sh'
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paths = ['/etc/profile']
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basenames = ['.bashrc', '.bash_profile', '.profile']
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extensions = ['.bash', '.sh']
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#detection = ['sh', 'bash']
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detection = [re.compile('^#!(?:.+/)sh'), re.compile('^#!(?:.+/)bash')]
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grammar = ShGrammar
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tabbercls = ShTabber
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opentokens = ('delimiter', 'sh_reserved', 'case.start')
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opentags = {'(': ')', '[': ']', '{': '}', 'do': 'done', 'then': 'fi',
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'case': 'esac'}
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closetokens = ('delimiter', 'sh_reserved', 'case.end')
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closetags = {')': '(', ']': '[', '}': '{', 'done': 'do', 'fi': 'then',
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'esac': 'case'}
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colors = {
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'sh_builtin': ('cyan', 'default', 'bold'),
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'sh_function': ('magenta', 'default', 'bold'),
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'sh_reserved': ('magenta', 'default', 'bold'),
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'variable': ('yellow', 'default', 'bold'),
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# case statements
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'case.start': ('magenta', 'default', 'bold'),
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'case.stanza.start': ('cyan', 'default', 'bold'),
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'case.stanza.start_cont': ('cyan', 'default', 'bold'),
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'case.stanza.middle0': ('cyan', 'default', 'bold'),
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'case.middle0': ('magenta', 'default', 'bold'),
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'case.end': ('magenta', 'default', 'bold'),
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'test.start': ('cyan', 'default', 'bold'),
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'binop': ('magenta', 'default', 'bold'),
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'unop': ('magenta', 'default', 'bold'),
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'eval.start': ('cyan', 'default', 'bold'),
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'eval.variable': ('yellow', 'default', 'bold'),
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'eval.data': ('cyan', 'default', 'bold'),
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'eval.null': ('cyan', 'default', 'bold'),
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'eval.end': ('cyan', 'default', 'bold'),
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'neval.start': ('yellow', 'default', 'bold'),
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'neval.variable': ('yellow', 'default', 'bold'),
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'neval.data': ('cyan', 'default', 'bold'),
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'neval.null': ('cyan', 'default', 'bold'),
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'neval.end': ('yellow', 'default', 'bold'),
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}
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actions = [ShCheckSyntax, BashStart, BashLoadFile]
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_bindings = {
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'sh-check-syntax': ('C-c s',),
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}
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install = Sh.install
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