formula::parse("Sheet1!$D$1#") failed with "unknown error literal".
A # right after a cell reference is now the spill range operator: it
evaluates to the anchor's current spill range, or #REF! when the cell
doesn't spill (or its spill is blocked). Its users depend on the
anchor, so they recalculate when the spill grows or shrinks. Names can
use it.
Files have no # operator: like Excel, the writer stores A1# as
_xlfn.ANCHORARRAY(A1), and the parser reads that back as A1#.
Excel adds up the range that starts at sum_range's top-left cell and has
the criteria range's height and width, whatever size sum_range has. With
A1:B3 = a,1 / b,2 / a,3, =SUMIF(A1:A3,"a",B1) is 4; GridCraft gave 1,
because if_numbers only saw sum_range's values (one cell) and read them
at the criteria positions. Its comment promised the resizing, but by then
the argument was a plain value.
The evaluator has the references, so it now does the resizing, as it does
for OFFSET and INDEX: for SUMIF and AVERAGEIF with three arguments, a
single-area sum range reference becomes resized_sum_range(sum, criteria
height, criteria width), cut off at the sheet's edge. It works across
sheets and through names. The dependency graph records the resized
range, so editing a cell inside it recalculates; when the criteria range
isn't a plain reference the formula is recalculated every time instead.
SUMIFS and AVERAGEIFS keep requiring same-size ranges (#VALUE!
otherwise).
Tests: a single-cell, shorter, wider, longer and horizontal sum range,
whole-column criteria, editing a cell of the resized range, the sheet
edge, another sheet and a defined name, and SUMIFS/AVERAGEIFS size
mismatches. They fail before the fix (1 instead of 4).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
- ui-egui: title bar with QAT, full ribbon (Home/Insert/Draw/Page Layout/Formulas/Data/
Review/View/Automate + Table/Chart Design), formula bar with Name Box, virtualised grid
(frozen panes, overflow, borders, CF data bars/scales/icons, tables, sparklines, filter
buttons, charts/pictures/shapes), in-cell editor with point mode, reference colouring,
autocomplete and argument hints, sheet tabs, status bar, dialogs, control channel
- apps/sheetcraft: desktop app (control server, file dialogs, prefs, drag & drop)
- chart: toolkit-free chart layout/rendering for 25 chart kinds + sparklines + rasteriser
- mcp + sheetcraft-cli: MCP server (headless or bridged) and CLI (info/convert/eval/cat/run/mcp)
- xtask (ci/layers/assets/wasm/version/parity), release workflows, packaging, placeholder icon
- automatic row heights
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Brandon Thomas