DeCarabas/lrparsers
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[dingus] Status and loading and whatnot

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This commit is contained in:
John Doty 2024-09-30 22:28:50 -07:00
parent aaa28f6d7f
commit 361f470431
4 changed files with 40 additions and 12 deletions
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21
dingus/worker.js
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@ -10,9 +10,10 @@ const dingus_module = {
postMessage({kind: "grammar_status", status: "loading", message});
},
post_grammar_loaded: function () {
console.log("Grammar Loaded");
postMessage({kind: "grammar_status", status: "ok", message: "Grammar loaded"});
post_grammar_loaded: function (name) {
const msg = "Grammar '" + name + "' loaded";
console.log(msg);
postMessage({kind: "grammar_status", status: "ok", message: msg});
},
post_grammar_error: function(error) {
@ -22,17 +23,18 @@ const dingus_module = {
};
async function setup_python() {
console.log("Loading pyodide....");
dingus_module.post_grammar_status("Loading python....");
const pyodide = await loadPyodide({
packages: ["micropip"],
});
pyodide.setStdout({ batched: (msg) => console.log(msg) }); // TODO: I know this is an option above.
// TODO: Do I actually want micropip? Probably not?
console.log("Installing parser package...");
dingus_module.post_grammar_status("Installing parser package...");
const micropip = pyodide.pyimport("micropip");
await micropip.install(PARSER_PACKAGE);
dingus_module.post_grammar_status("Configuring dingus...");
pyodide.registerJsModule("dingus", dingus_module);
pyodide.runPython(`
@ -56,7 +58,7 @@ def eval_grammar(code):
if isinstance(value, parser.Grammar):
if grammar is None:
grammar = value()
grammar = value
else:
raise Exception("More than one Grammar found in the file")
@ -65,12 +67,12 @@ def eval_grammar(code):
# TODO: Build the table.
dingus.post_grammar_loaded()
dingus.post_grammar_loaded(grammar.name)
except Exception as e:
dingus.post_grammar_error(f"{e}")
`);
console.log("Loaded!");
dingus_module.post_grammar_status("Ready.");
self.pyodide = pyodide;
return pyodide;
}
@ -80,8 +82,7 @@ const pyodide_promise = setup_python();
async function load_grammar_module(code) {
const pyodide = self.pyodide;
console.log("Running...");
// console.log("Running...");
const my_fn = pyodide.globals.get("eval_grammar");
my_fn(code);
my_fn.destroy();