Minor cleanups and additions in sqlite3.capi.wasm.pstack.

FossilOrigin-Name: 97bd670d3859bd3f2e62c15065b238b85ef614f26479e56a14be42c5784aedf4

1 files changed, 0 insertions, 50 deletions

diff --git a/ext/wasm/api/sqlite3-api-glue.js b/ext/wasm/api/sqlite3-api-glue.js
index 27d75682a..2347a40c0 100644
--- a/ext/wasm/api/sqlite3-api-glue.js
+++ b/ext/wasm/api/sqlite3-api-glue.js
@@ -560,56 +560,6 @@ self.sqlite3ApiBootstrap.initializers.push(function(sqlite3){
     };
   }/*sqlite3_prepare_v2/v3()*/;
 
-  if(1){// Extend wasm.pstack, now that the wasm utils are installed
-    /**
-       Allocates n chunks, each sz bytes, as a single memory block and
-       returns the addresses as an array of n element, each holding
-       the address of one chunk.
-
-       Throws a WasmAllocError if allocation fails.
-
-       Example:
-
-       ```
-       const [p1, p2, p3] = wasm.pstack.allocChunks(3,4);
-       ```
-    */
-    wasm.pstack.allocChunks = (n,sz)=>{
-      const mem = wasm.pstack.alloc(n * sz);
-      const rc = [];
-      let i = 0, offset = 0;
-      for(; i < n; offset = (sz * ++i)){
-        rc.push(mem + offset);
-      }
-      return rc;
-    };
-
-    /**
-       A convenience wrapper for allocChunks() which sizes each chunks
-       as either 8 bytes (safePtrSize is truthy) or wasm.ptrSizeof (if
-       safePtrSize is falsy).
-
-       How it returns its result differs depending on its first
-       argument: if it's 1, it returns a single pointer value. If it's
-       more than 1, it returns the same as allocChunks().
-
-       When a returned pointers will refer to a 64-bit value, e.g. a
-       double or int64, and that value must be written or fetched,
-       e.g. using wasm.setMemValue() or wasm.getMemValue(), it is
-       important that the pointer in question be aligned to an 8-byte
-       boundary or else it will not be fetched or written properly and
-       will corrupt or read neighboring memory.
-
-       However, when all pointers involved point to "small" data, it
-       is safe to pass a falsy value to save to memory.
-    */
-    wasm.pstack.allocPtr = (n=1,safePtrSize=true) =>{
-      return 1===n
-        ? wasm.pstack.alloc(safePtrSize ? 8 : wasm.ptrSizeof)
-        : wasm.pstack.allocChunks(n, safePtrSize ? 8 : wasm.ptrSizeof);
-    };
-  }/*wasm.pstack filler*/
-
   {/* Import C-level constants and structs... */
     const cJson = wasm.xCall('sqlite3_wasm_enum_json');
     if(!cJson){