5 Commits
Author SHA1 Message Date
Hein 5cdec88299 feat(format): expand the runtime safety gate
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Replace the bare SemanticallyEqual call in every frontend (CLI fmt, LSP
formatting + rangeFormatting) with format.VerifySafe, which runs four
checks before any formatted output is emitted:

  - semantic equivalence  - the code token stream is unchanged
  - comment preservation  - no -- or /* */ comment is dropped, merged,
    split, reordered, or reworded (line endings / indentation normalised
    away; recurses into dollar-quoted bodies)
  - structural balance    - the () [] and BEGIN/CASE/IF/LOOP...END nesting
    profile matches, ignoring anything inside a comment or a string
  - idempotence           - a second format pass would not change it

On failure the CLI now prints the specific reason and keeps the original.

The comment check surfaced two real formatter bugs, both fixed in
formatBodyStatements:

  - multi-line /* */ comments inside a PL/pgSQL body had their interior
    lines re-split and reindented as if they were statements; they are
    now tracked and carried verbatim with the opening line
  - a column-0 -- line was glued onto the preceding line by the
    split-line-join, which merged consecutive comment lines into one

Regenerate testdata/corpus/test_mm_proc.pgsql (was carrying the mangled
output). TestCorpusIdempotentAndSafe now runs the full VerifySafe bundle;
add safety_test.go with targeted cases.
2026-09-10 15:17:07 +02:00
Hein 83b215fd25 feat(format): default output to dist/examples house style
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Align the formatter defaults and layout with the hand-formatted reference
procedures in dist/examples so a clean `pgtidy fmt` produces the house style.

config.Default():
- align_param_types: false (no type-column alignment in param lists)
- plpgsql_declare_align_type / plpgsql_declare_align_eq: true

Formatter:
- routine header: leading-comma params at column 0, first param at one
  indent, RETURNS/LANGUAGE/volatility/SECURITY each indented one level
- %type / %rowtype printed tight (isPctTypeBoundary)
- DECLARE = / := / DEFAULT column padded only to the widest declaration
  that carries an assignment
- WHERE continuations in body UPDATE/DELETE: AND/OR aligned with WHERE
- EXCEPTION aligned to its enclosing BEGIN; column-0 comment continuations
  kept flush-left

Safety gate:
- SemanticallyEqual tolerates CRLF vs LF inside string literals (normNL);
  the formatter re-emits all layout with st.Newline, so a \r\n inside a
  multi-line string literal is normalisation, not a code change. This was
  why action_init and event_exec_func previously refused to format.

Corpus:
- add the four CRLF reference files as idempotence/safety fixtures
- regenerate test_a and test_mm_proc goldens

FOR...LOOP body indentation keeps the existing +1 convention (LOOP aligned
with FOR); the dist/examples use +2, so loop-body regions differ by
whitespace only.
2026-09-10 14:54:20 +02:00
Hein bac966c2ac feat(format): add runtime semantic-equality safety gate
CI / Build (push) Successful in 23s
CI / Test (push) Successful in 31s
2026-07-17 14:29:24 +02:00
Hein ad52f21cc2 feat(datagrip): migrate from LSP4IJ to native CLI integration
CI / Test (push) Successful in 26s
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2026-07-17 13:20:49 +02:00
Hein 625ddc79a1 feat: initial plan 2026-06-23 16:59:50 +02:00