diff options
-rw-r--r-- | src/nvim/shada.c | 40 | ||||
-rw-r--r-- | test/functional/shada/errors_spec.lua | 5 | ||||
-rw-r--r-- | test/functional/shada/variables_spec.lua | 8 |
3 files changed, 46 insertions, 7 deletions
diff --git a/src/nvim/shada.c b/src/nvim/shada.c index c0e787380f..7d277fe5c8 100644 --- a/src/nvim/shada.c +++ b/src/nvim/shada.c @@ -1653,6 +1653,13 @@ static ShaDaWriteResult shada_pack_entry(msgpack_packer *const packer, break; } case kSDItemVariable: { + if (entry.data.global_var.value.v_type == VAR_TYPE_BLOB) { + // Strings and Blobs both pack as msgpack BINs; differentiate them by + // storing an additional VAR_TYPE_BLOB element alongside Blobs + list_T *const list = tv_list_alloc(1); + tv_list_append_number(list, VAR_TYPE_BLOB); + entry.data.global_var.additional_elements = list; + } const size_t arr_size = 2 + (size_t)( tv_list_len(entry.data.global_var.additional_elements)); msgpack_pack_array(spacker, arr_size); @@ -3937,15 +3944,38 @@ shada_read_next_item_start: entry->data.global_var.name = xmemdupz(unpacked.data.via.array.ptr[0].via.bin.ptr, unpacked.data.via.array.ptr[0].via.bin.size); - if (msgpack_to_vim(unpacked.data.via.array.ptr[1], - &(entry->data.global_var.value)) == FAIL) { + SET_ADDITIONAL_ELEMENTS(unpacked.data.via.array, 2, + entry->data.global_var.additional_elements, + "variable"); + bool is_blob = false; + // A msgpack BIN could be a String or Blob; an additional VAR_TYPE_BLOB + // element is stored with Blobs which can be used to differentiate them + if (unpacked.data.via.array.ptr[1].type == MSGPACK_OBJECT_BIN) { + const listitem_T *type_item + = tv_list_first(entry->data.global_var.additional_elements); + if (type_item != NULL) { + const typval_T *type_tv = TV_LIST_ITEM_TV(type_item); + if (type_tv->v_type != VAR_NUMBER + || type_tv->vval.v_number != VAR_TYPE_BLOB) { + emsgf(_(READERR("variable", "has wrong variable type")), + initial_fpos); + goto shada_read_next_item_error; + } + is_blob = true; + } + } + if (is_blob) { + const msgpack_object_bin *const bin + = &unpacked.data.via.array.ptr[1].via.bin; + blob_T *const blob = tv_blob_alloc(); + ga_concat_len(&blob->bv_ga, bin->ptr, (size_t)bin->size); + tv_blob_set_ret(&entry->data.global_var.value, blob); + } else if (msgpack_to_vim(unpacked.data.via.array.ptr[1], + &(entry->data.global_var.value)) == FAIL) { emsgf(_(READERR("variable", "has value that cannot " "be converted to the VimL value")), initial_fpos); goto shada_read_next_item_error; } - SET_ADDITIONAL_ELEMENTS(unpacked.data.via.array, 2, - entry->data.global_var.additional_elements, - "variable"); break; } case kSDItemSubString: { diff --git a/test/functional/shada/errors_spec.lua b/test/functional/shada/errors_spec.lua index 77a41caec7..ebfd73cf85 100644 --- a/test/functional/shada/errors_spec.lua +++ b/test/functional/shada/errors_spec.lua @@ -342,6 +342,11 @@ describe('ShaDa error handling', function() eq('Vim(rshada):E575: Error while reading ShaDa file: variable entry at position 0 has wrong variable name type', exc_exec(sdrcmd())) end) + it('fails on variable item with BIN value and type value != VAR_TYPE_BLOB', function() + wshada('\006\000\007\147\196\001\065\196\000\000') + eq('Vim(rshada):E575: Error while reading ShaDa file: variable entry at position 0 has wrong variable type', exc_exec(sdrcmd())) + end) + it('fails on replacement item with NIL value', function() wshada('\003\000\001\192') eq('Vim(rshada):E575: Error while reading ShaDa file: sub string entry at position 0 is not an array', exc_exec(sdrcmd())) diff --git a/test/functional/shada/variables_spec.lua b/test/functional/shada/variables_spec.lua index cc0e7fa537..854add1363 100644 --- a/test/functional/shada/variables_spec.lua +++ b/test/functional/shada/variables_spec.lua @@ -1,7 +1,7 @@ -- ShaDa variables saving/reading support local helpers = require('test.functional.helpers')(after_each) -local meths, funcs, nvim_command, eq = - helpers.meths, helpers.funcs, helpers.command, helpers.eq +local meths, funcs, nvim_command, eq, eval = + helpers.meths, helpers.funcs, helpers.command, helpers.eq, helpers.eval local shada_helpers = require('test.functional.shada.helpers') local reset, clear = shada_helpers.reset, shada_helpers.clear @@ -30,10 +30,12 @@ describe('ShaDa support code', function() else meths.set_var(varname, varval) end + local vartype = eval('type(g:' .. varname .. ')') -- Exit during `reset` is not a regular exit: it does not write shada -- automatically nvim_command('qall') reset('set shada+=!') + eq(vartype, eval('type(g:' .. varname .. ')')) eq(varval, meths.get_var(varname)) end) end @@ -47,6 +49,8 @@ describe('ShaDa support code', function() autotest('false', 'FALSEVAR', false) autotest('null', 'NULLVAR', 'v:null', true) autotest('ext', 'EXTVAR', '{"_TYPE": v:msgpack_types.ext, "_VAL": [2, ["", ""]]}', true) + autotest('blob', 'BLOBVAR', '0z12ab34cd', true) + autotest('blob (with NULs)', 'BLOBVARNULS', '0z004e554c7300', true) it('does not read back variables without `!` in &shada', function() meths.set_var('STRVAR', 'foo') |