antcc/c/eval.c, branch trunk A little C compiler https://git.lemon.rip/antcc/atom?h=trunk 2026-03-17T12:22:00+00:00 REFACTOR: move sources to src/ 2026-03-17T12:22:00+00:00 lemon lsof@mailbox.org 2026-03-17T12:22:00+00:00 urn:sha1:a8d6f8bf30c07edb775e56889f568ca20240bedf eval: fix errata with ELOGIOR, also rename lhs & rhs 2026-03-15T17:09:39+00:00 lemon lsof@mailbox.org 2026-03-15T17:09:39+00:00 urn:sha1:10eedb2f980a3272e9a08aff09f9cd2118b31fdb eval & fold: handle division overflow for MIN/-1 2026-03-14T16:46:57+00:00 lemon lsof@mailbox.org 2026-03-14T16:39:29+00:00 urn:sha1:de8673af7c0885201f284ffd8851ece2cde8cb18 c: static eval refactoring 2026-03-14T16:46:54+00:00 lemon lsof@mailbox.org 2026-03-14T16:27:37+00:00 urn:sha1:42ce457bba06bd3607fc04700a919b6c395f22c3 Explicit node for static symbol (addresses). Should not break with edge cases like the previous ad-hoc approach. And some other bugfixes c: relax constexpr constraints, fix alignof 2026-03-09T09:24:39+00:00 lemon lsof@mailbox.org 2026-03-09T09:24:39+00:00 urn:sha1:1529b5221389c75371d0f3f181957a77a158a53c - Allow short-circuiting of constant logical expressions where the unevaluated operand is not a constant expression (`1 || 0/0`) - Allow constant integer expressions that evaluate to zero to be used as null pointer constants (GNU extension). + According to the standard, `int *x = 5*0;` should be rejected. But compilers evaluate `5*0 -> 0` and allow it as if a null pointer literal. c: do not try to eval conditional expression's not taken branch 2026-03-05T17:15:21+00:00 lemon lsof@mailbox.org 2026-03-05T17:15:21+00:00 urn:sha1:1ec29c2bb4350d09ee34b8eff53b9974fcc0a81f c: static intializer bugfix introduced in6c3f1593e9 2026-02-28T08:50:06+00:00 lemon lsof@mailbox.org 2026-02-28T08:50:06+00:00 urn:sha1:05ffd40b4c7a300387fa1fb67f8e4dbb8ee411e6 c: allow casting of symbol address to intptr_t in static initializers 2026-02-25T16:57:39+00:00 lemon lsof@mailbox.org 2026-02-25T16:57:39+00:00 urn:sha1:6c3f1593e953393f4b9329a0c47c5af0a587c8c9 c: support at least parsing C99 _Complex types 2026-01-25T11:58:22+00:00 lemon lsof@mailbox.org 2026-01-25T11:58:22+00:00 urn:sha1:f9f0789e58be01b7169712d64af9443a35392fbf c: SYM expr should store decl ref as an index, not pointer 2025-12-30T09:37:13+00:00 lemon lsof@mailbox.org 2025-12-30T09:34:11+00:00 urn:sha1:e77538515802276d76dfcb28c9b8dc140d5afe02 Because envdecls (now declsbuf) can be resized and invalidate those pointers. I missed this because the default initialization size of that buffer (and the fact that it would mostly only manifest with function-local expressions) made it not really come up in practice. Silly