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[wadler] Refactor: data and runtime split

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Now we convert the grammar into data for a pretty-printer, so in
theoryw e could write the pretty-printer in a different language.
This commit is contained in:
John Doty 2024-09-21 06:44:53 -07:00
parent e4585170d8
commit 1f84752538
2 changed files with 252 additions and 215 deletions
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16
tests/test_wadler.py
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@ -149,7 +149,7 @@ def test_convert_tree_to_document():
assert [] == errors
assert tree is not None
printer = wadler.Printer(JSON)
printer = wadler.Printer(wadler.compile_pretty_table(JSON))
doc = flatten_document(printer.convert_tree_to_document(tree, text), text)
assert doc == [
@ -216,7 +216,7 @@ def test_layout_basic():
assert [] == errors
assert tree is not None
printer = wadler.Printer(JSON)
printer = wadler.Printer(wadler.compile_pretty_table(JSON))
result = printer.format_tree(tree, text, 50).apply_to_source(text)
assert result == _output(
@ -278,7 +278,7 @@ def test_forced_break():
assert errors == []
assert tree is not None
printer = wadler.Printer(g)
printer = wadler.Printer(wadler.compile_pretty_table(g))
result = printer.format_tree(tree, text, 200).apply_to_source(text)
assert result == _output(
@ -318,7 +318,7 @@ def test_maintaining_line_breaks():
assert errors == []
assert tree is not None
printer = wadler.Printer(g)
printer = wadler.Printer(wadler.compile_pretty_table(g))
result = printer.format_tree(tree, text, 200).apply_to_source(text)
assert result == _output(
@ -352,7 +352,7 @@ def test_trailing_trivia():
assert errors == []
assert tree is not None
printer = wadler.Printer(g)
printer = wadler.Printer(wadler.compile_pretty_table(g))
result = printer.format_tree(tree, text, 200).apply_to_source(text)
assert result == _output(
@ -378,7 +378,7 @@ def test_trailing_trivia_two():
assert errors == []
assert tree is not None
printer = wadler.Printer(g)
printer = wadler.Printer(wadler.compile_pretty_table(g))
result = printer.format_tree(tree, text, 200).apply_to_source(text)
assert result == _output(
@ -432,9 +432,7 @@ def test_trailing_trivia_split():
print(f"{mode:25} {t.kind:10} {repr(text[t.start:t.end])}")
trivia_doc = wadler.Matcher(
ParseTable([], [], set()),
{},
{},
wadler.MatcherTable(ParseTable([], [], set()), {}, {}),
TRIVIA_MODES,
).apply_post_trivia(
token.post_trivia,