CEisenhofer
737c5d44ed
Simplify regex splits
2026-03-20 13:33:53 +01:00
Copilot
2ec305f206
port range regular expressions to snode from ZIPT ( #9048 )
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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
2026-03-19 15:59:20 -07:00
CEisenhofer
4271bdad55
Another minterm bug
2026-03-19 15:12:22 +01:00
Copilot
f837651434
seq_nielsen: replace mk_fresh_var() with mk_fresh_var(sort* s) ( #9037 )
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* replace mk_fresh_var() with mk_fresh_var(sort* s) in seq_nielsen; fix snode_label_html linkage
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
* remove mk_var(symbol const&) from sgraph; update all callers to pass sort explicitly
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
2026-03-18 20:41:41 -07:00
CEisenhofer
ab53889c10
Fixed couple of regex problems [there are still others]
2026-03-18 14:29:18 +01:00
CEisenhofer
39bf6af870
Missing file edits
2026-03-16 21:10:40 +01:00
Nikolaj Bjorner
df9df50a71
update generation of empty sequence to take sort argument, fix mk_concat substitution
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2026-03-13 10:03:52 -07:00
copilot-swe-agent[bot]
2f8cc1536c
Swap author order: Clemens Eisenhofer before Nikolaj Bjorner in file headers
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Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
2026-03-10 16:27:26 +00:00
Nikolaj Bjorner
5aa3713d19
first end-pass. Atomic
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2026-03-04 02:05:26 -08:00
copilot-swe-agent[bot]
cfea2db8bf
Update sgraph and seq_plugin: egraph ref, hash matrix, subst cache, sgraph pointer
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Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
2026-03-02 21:14:34 +00:00
Nikolaj Bjorner
5ca200ba2c
Update ZIPT link in euf_sgraph.h documentation
2026-03-02 12:32:32 -08:00
copilot-swe-agent[bot]
150f1fe2ea
Revert is_concat changes, add ZIPT URL, implement snode/sgraph operations and tests
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- Revert is_str_concat/is_re_concat to original form (PR #8820 review)
- Add ZIPT URL (https://github.com/CEisenhofer/ZIPT ) to euf_sgraph.h
- Add snode::at() for token indexing and collect_tokens() for enumeration
- Add sgraph factory methods: mk_var, mk_char, mk_empty, mk_concat
- Add sgraph drop operations: drop_first, drop_last, drop_left, drop_right
- Add sgraph substitution: subst(snode*, snode*, snode*)
- Add Brzozowski derivative via seq_rewriter::mk_derivative
- Add minterm computation from regex predicates
- Add 7 new unit tests covering all new operations with complex concats
Co-authored-by: NikolajBjorner <56730610+NikolajBjorner@users.noreply.github.com>
2026-03-02 19:28:32 +00:00
copilot-swe-agent[bot]
40b99311e3
Fix enode_concat_eq leaf comparison, simplify is_str/re_concat, update sgraph summary
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Address remaining review feedback from PR #8820 :
- Use pointer comparison instead of ID comparison in enode_concat_eq
- Remove redundant num_args() == 2 check from is_str_concat/is_re_concat
- Update euf_sgraph.h abstract to detail seq_plugin features
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
2026-03-02 18:58:21 +00:00
copilot-swe-agent[bot]
8c0be6e614
Changes before error encountered
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Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
2026-03-02 17:50:49 +00:00
copilot-swe-agent[bot]
a3baae5942
Changes before error encountered
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Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
2026-03-02 17:01:49 +00:00
copilot-swe-agent[bot]
5c14edf030
Change ownership: sgraph owns egraph with seq_plugin, add assoc hash table, add unit tests
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Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
2026-03-01 23:23:12 +00:00
copilot-swe-agent[bot]
51f4f918ea
Update file header years from 2025 to 2026
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Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
2026-03-01 21:17:08 +00:00
copilot-swe-agent[bot]
17099300f2
Add co-author Clemens Eisenhofer to headers, document ZIPT features not yet ported
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Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
2026-03-01 21:14:52 +00:00
copilot-swe-agent[bot]
2e17bb8767
Add OP_SEQ_POWER to seq_decl_plugin and create euf_snode/euf_sgraph for string graph encapsulation
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Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
2026-03-01 20:19:37 +00:00
