增加解释器WASM文件入口

结论：解释器核心WASM新增基于LinuxCNC Interp::open/read/execute的文件运行入口，并覆盖file_open_reset、percent_file_finish和oword_subroutine夹具。

wasm-port/tests/wasm/node/verify_interp_wasm.mjs

@@ -27,6 +27,29 @@ function runProgram(mod, programText) {
   }
 }
 
+function ensureDir(mod, path) {
+  try {
+    mod.FS.mkdir(path);
+  } catch {
+    // Directory already exists.
+  }
+}
+
+function runFile(mod, path) {
+  const pathPtr = allocCString(mod, path);
+  let resultPtr = 0;
+  try {
+    resultPtr = mod._lcinterp_run_file(pathPtr);
+    assert.notEqual(resultPtr, 0);
+    return mod.UTF8ToString(resultPtr);
+  } finally {
+    if (resultPtr) {
+      mod._lcinterp_free_string(resultPtr);
+    }
+    mod._free(pathPtr);
+  }
+}
+
 function verifyExpectedOutput(fixtureName, output, expectedText) {
   const expectedLines = expectedText.split("\n").filter(Boolean);
 
@@ -110,4 +133,26 @@ for (const fixtureName of errorFixtureNames) {
 
   verifyExpectedOutput(fixtureName, runProgram(interp, programText), expectedOutput);
 }
+
+const fileFixtureNames = [
+  "file_open_reset",
+  "percent_file_finish",
+  "oword_subroutine",
+];
+
+ensureDir(interp, "/work");
+for (const fixtureName of fileFixtureNames) {
+  const programPath = `/work/${fixtureName}.ngc`;
+  const programText = readFileSync(
+    resolve(rootDir, `tests/fixtures/gcode/${fixtureName}.ngc`),
+    "utf8",
+  );
+  const expectedEvents = readFileSync(
+    resolve(rootDir, `tests/fixtures/canon/${fixtureName}.events`),
+    "utf8",
+  ).trimEnd();
+
+  interp.FS.writeFile(programPath, programText, { encoding: "utf8" });
+  verifyExpectedOutput(fixtureName, runFile(interp, programPath), expectedEvents);
+}
 console.log("interp_wasm_node_smoke=ok");