Cleanup, allow wasm memory growth

config/comp_test.nim

@@ -1,28 +1,24 @@
-import std/[macros, options, unicode]
-import results
-
 import wit_guest
 
 when defined(witRebuild):
-  static: hint("Rebuilding plugin_api.wit")
+  static: echo "Rebuilding plugin_api.wit"
   importWit "../scripting/plugin_api.wit", "plugin_api_guest.nim"
 else:
-  static: hint("Using cached plugin_api.wit (plugin_api_guest.nim)")
+  static: echo "Using cached plugin_api.wit (plugin_api_guest.nim)"
   include plugin_api_guest
 
 proc emscripten_notify_memory_growth*(a: int32) {.exportc.} =
-  discard
+  echo "emscripten_notify_memory_growth"
 
-echo "global stuff"
+proc emscripten_stack_init() {.importc.}
 
 proc NimMain() {.importc.}
-proc emscripten_stack_init() {.importc.}
 
-proc plugin_main*() =
+echo "global stuff"
+
+proc initPlugin() =
   emscripten_stack_init()
   NimMain()
 
-proc initPlugin() =
-  plugin_main()
   echo "[guest] initPlugin"
   echo getSelection()

config/config.nims

@@ -31,12 +31,14 @@ switch("path", "../src")
 switch("d", "release")
 switch("d", "wasm")
 switch("nimcache", "./nimcache")
+# switch("d", "useMalloc")
 
 switch("stackTrace", "on")
 switch("lineTrace", "on")
 
 let outputName = projectName() & ".wasm"
 # Pass this to Emscripten linker to generate html file scaffold for us.
 # No need for main, it's standalone wasm, and we dont need to error on undefined as we're probably importing
-switch("passL", "--no-entry -sSTANDALONE_WASM=1 -sERROR_ON_UNDEFINED_SYMBOLS=0 -g")
+# switch("passL", "--no-entry -sSTANDALONE_WASM=1 -sERROR_ON_UNDEFINED_SYMBOLS=0 -g")
+switch("passL", "--no-entry -sSTANDALONE_WASM=1 -sERROR_ON_UNDEFINED_SYMBOLS=0 -sALLOW_MEMORY_GROWTH=1 -sMAXIMUM_MEMORY=4294967296 -g")
 # switch("passL", "-o wasm/" & outputName)

src/scripting/scripting_wasm_components.nim

@@ -94,7 +94,7 @@ method init*(self: ScriptContextWasmComp, path: string, vfs: VFS): Future[void]
 
   block:
     proc cb(ctx: pointer, params: openArray[ComponentValT], results: var openArray[ComponentValT]) =
-      results[0] = Selection().toVal
+      results[0] = Selection(first: Cursor(line: 1, column: 2), last: Cursor(line: 6, column: 9)).toVal
       echo &"[host][get-selection]:\n     {params}\n  -> {results}"
 
     echo "func new"