fix parenthesis inclusion

[asottile]

Signed-off-by: Anthony Sottile asottile@umich.edu

this was crashing my text editor with something like this:

resource "a" "a" {
  b = ()
}

$ babi t.tf
Traceback (most recent call last):
  File "/home/asottile/bin/babi", line 8, in <module>
    sys.exit(main())
  File "/home/asottile/opt/venv/lib/python3.8/site-packages/babi/main.py", line 152, in main
    return c_main(stdscr, filenames, positions, stdin, perf)
  File "/home/asottile/opt/venv/lib/python3.8/site-packages/babi/main.py", line 57, in c_main
    res = _edit(screen, stdin)
  File "/home/asottile/opt/venv/lib/python3.8/site-packages/babi/main.py", line 29, in _edit
    screen.draw()
  File "/home/asottile/opt/venv/lib/python3.8/site-packages/babi/screen.py", line 258, in draw
    self.file.draw(self.stdscr, self.margin)
  File "/home/asottile/opt/venv/lib/python3.8/site-packages/babi/file.py", line 789, in draw
    file_hl.highlight_until(self.buf, self.buf.file_y + to_display)
  File "/home/asottile/opt/venv/lib/python3.8/site-packages/babi/hl/syntax.py", line 119, in highlight_until
    state, regions = self._hl(state, lines[i], i == 0)  # type: ignore
  File "/home/asottile/opt/venv/lib/python3.8/site-packages/babi/hl/syntax.py", line 63, in _hl_uncached
    new_state, regions = highlight_line(
  File "/home/asottile/opt/venv/lib/python3.8/site-packages/babi/highlight.py", line 782, in highlight_line
    search_res = state.cur.rule.search(
  File "/home/asottile/opt/venv/lib/python3.8/site-packages/babi/highlight.py", line 485, in search
    return _do_regset(idx, match, self, compiler, state, pos)
  File "/home/asottile/opt/venv/lib/python3.8/site-packages/babi/highlight.py", line 363, in _do_regset
    target_rule = compiler.compile_rule(rule.u_rules[idx])
  File "/home/asottile/opt/venv/lib/python3.8/site-packages/babi/highlight.py", line 663, in compile_rule
    ret = self._c_rules[rule] = self._compile_rule(grammar, rule)
  File "/home/asottile/opt/venv/lib/python3.8/site-packages/babi/highlight.py", line 631, in _compile_rule
    regs, rules = self._patterns(grammar, rule.patterns)
  File "/home/asottile/opt/venv/lib/python3.8/site-packages/babi/highlight.py", line 595, in _patterns
    tmp_regs, tmp_rules = self._include(
  File "/home/asottile/opt/venv/lib/python3.8/site-packages/babi/highlight.py", line 578, in _include
    grammar = self._grammars.grammar_for_scope(s)
  File "/home/asottile/opt/venv/lib/python3.8/site-packages/babi/highlight.py", line 708, in grammar_for_scope
    raw = self._raw_for_scope(scope)
  File "/home/asottile/opt/venv/lib/python3.8/site-packages/babi/highlight.py", line 690, in _raw_for_scope
    grammar_path = self._scope_to_files.pop(scope)
KeyError: 'expressions'

[hashicorp-cla]

All committers have signed the CLA.

[aeschright]

Thanks for catching this!

[ghost]

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