Closed rjkroege closed 2 years ago
Some kind of internal error in thew newtype Buffer implementation. By code inspection: b.findPiece() is returning nil in ReadRuneAt(). Proposed fix: re-order the code to do the nil check at the right place.
b.findPiece()
ReadRuneAt()
panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x2 addr=0x20 pc=0x1030f3a90] goroutine 15 [running]: github.com/rjkroege/edwood/file.(*piece).len(...) /Users/rjkroege/tools/edwood/file/buffer.go:760 github.com/rjkroege/edwood/file.(*Buffer).ReadRuneAt(0x140001c5050, {0x112c8, 0x110dc}) /Users/rjkroege/tools/edwood/file/buffer.go:819 +0x40 github.com/rjkroege/edwood/file.(*Buffer).ReadC(0x140001c5050, 0x110dc) /Users/rjkroege/tools/edwood/file/buffer_adapter.go:39 +0x4c github.com/rjkroege/edwood/file.(*ObservableEditableBuffer).ReadC(...) /Users/rjkroege/tools/edwood/file/observable_editable_buffer.go:236 main.(*Text).Show(0x14001314d20, 0x110dd, 0x110dd, 0x0) /Users/rjkroege/tools/edwood/text.go:1238 +0x1fc main.xfidwrite(0x140005e42c0) /Users/rjkroege/tools/edwood/xfid.go:518 +0x994 main.xfidctl(0x140005e42c0, {0x1031d87d8, 0x14000120008}) /Users/rjkroege/tools/edwood/xfid.go:40 +0x8c created by main.xfidallocthread /Users/rjkroege/tools/edwood/acme.go:534 +0x16c
Some kind of internal error in thew newtype Buffer implementation. By code inspection:
b.findPiece()
is returning nil inReadRuneAt()
. Proposed fix: re-order the code to do the nil check at the right place.