Christoph Brandau
dfe15dd3db
The formatter now calculates and passes explicit leading and trailing whitespace around expression content to the `_brace` method. This ensures correct rendering of single-line expressions that include braces.
34 lines
1.5 KiB
Python
34 lines
1.5 KiB
Python
from tclint.format import Formatter as BaseFormatter
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from typing import List
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class NxFormatter(BaseFormatter):
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"""
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Custom formatter that inherits from tclint's Formatter but preserves explicit
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line continuations (\\) inside braced expressions when they span multiple lines.
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This avoids generating syntax errors in environments that require a trailing
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backslash for multi-line expressions (e.g., certain NX Post interpreters),
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while leaving all other formatting behavior unchanged.
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"""
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def format_braced_expression(self, expr) -> List[str]: # type: ignore[override]
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# This method mirrors BaseFormatter.format_braced_expression but inserts
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# a line continuation (" \") between continuation lines similar to
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# BaseFormatter.format_expression.
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formatted = [""]
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for child in expr.children:
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lines = self.format(child)
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formatted[-1] += lines[0]
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for line in lines[1:]:
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# add continuation on the previous line; keep next line at the same level
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formatted[-1] += " \\" # keep explicit continuation
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formatted += [line]
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if expr.pos[0] == expr.end_pos[0]:
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space_before = expr.children[0].pos[1] - expr.pos[1] - 1
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space_after = expr.end_pos[1] - expr.children[-1].end_pos[1] - 1
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return self._brace(formatted, (space_before, space_after))
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return ["{"] + self._indent(formatted, self.opts.indent) + ["}"]
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