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Further docs and minor cleanups in the JS virtual table helper.

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FossilOrigin-Name: c31e7488ac1a6b957782b72bd026b1f0590637b631e44a1fdf1dedeb5c587819
This commit is contained in:
stephan
2022-12-08 18:18:37 +00:00
parent 500fa7d518
commit 1a9a29815a
3 changed files with 23 additions and 17 deletions
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26
ext/wasm/api/sqlite3-v-helper.js
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@ -327,13 +327,19 @@ self.sqlite3ApiBootstrap.initializers.push(function(sqlite3){
}; };
/** /**
Internal helper for implementing xVtab and xCursor. A factory function which implements a simple lifetime manager for
The first argument must be the logical name of the mappings between C struct pointers and their JS-level wrappers.
handler ('xVtab' or 'xCursor') and the second must be The first argument must be the logical name of the manager
the capi.XYZ struct-type value, e.g. capi.sqlite3_vtab (e.g. 'xVtab' or 'xCursor'), which is only used for error
or capi.sqlite3_vtab_cursor. reporting. The second must be the capi.XYZ struct-type value,
e.g. capi.sqlite3_vtab or capi.sqlite3_vtab_cursor.
Returns an object with 4 methods: create(), get(), unget(), and
dispose(), plus a StructType member with the value of the 2nd
argument. The methods are documented in the body of this
function.
*/ */
const __xLifetimeManager = function(name, StructType){ const StructPtrMapper = function(name, StructType){
const __xWrap = __xWrapFactory(name,StructType); const __xWrap = __xWrapFactory(name,StructType);
/** /**
This object houses a small API for managing mappings of (`T*`) This object houses a small API for managing mappings of (`T*`)
@ -406,18 +412,18 @@ self.sqlite3ApiBootstrap.initializers.push(function(sqlite3){
instances in sqlite3_module methods to capi.sqlite3_vtab instances in sqlite3_module methods to capi.sqlite3_vtab
objects. objects.
The API docs are in the API-internal __xLifetimeManager(). The API docs are in the API-internal StructPtrMapper().
*/ */
vt.xVtab = __xLifetimeManager('xVtab', capi.sqlite3_vtab); vt.xVtab = StructPtrMapper('xVtab', capi.sqlite3_vtab);
/** /**
A lifetime-management object for mapping `sqlite3_vtab_cursor*` A lifetime-management object for mapping `sqlite3_vtab_cursor*`
instances in sqlite3_module methods to capi.sqlite3_vtab_cursor instances in sqlite3_module methods to capi.sqlite3_vtab_cursor
objects. objects.
The API docs are in the API-internal __xLifetimeManager(). The API docs are in the API-internal StructPtrMapper().
*/ */
vt.xCursor = __xLifetimeManager('xCursor', capi.sqlite3_vtab_cursor); vt.xCursor = StructPtrMapper('xCursor', capi.sqlite3_vtab_cursor);
/** /**
Convenience form of creating an sqlite3_index_info wrapper, Convenience form of creating an sqlite3_index_info wrapper,

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manifest
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@ -1,5 +1,5 @@
C Ease-of-use/legibility\simprovements\sin\sthe\svirtual\stable\sJS\shelpers. C Further\sdocs\sand\sminor\scleanups\sin\sthe\sJS\svirtual\stable\shelper.
D 2022-12-08T17:07:27.475 D 2022-12-08T18:18:37.994
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@ -509,7 +509,7 @@ F ext/wasm/api/sqlite3-api-prologue.js 1380e933325c11786b2afc93fc8ff88c2fd1ffeac
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F ext/wasm/api/sqlite3-vfs-opfs.c-pp.js 8ec510fee735c646fb18a3b99f0ca5ca461f9e066c43cdc404d7144f12ae6ed6 F ext/wasm/api/sqlite3-vfs-opfs.c-pp.js 8ec510fee735c646fb18a3b99f0ca5ca461f9e066c43cdc404d7144f12ae6ed6
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@ -2067,8 +2067,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
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# Remove this line to create a well-formed Fossil manifest. # Remove this line to create a well-formed Fossil manifest.

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manifest.uuid
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@ -1 +1 @@
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