Bug with string functions

src/backend/kernel.js

@@ -320,10 +320,10 @@ class Kernel {
   addFunction(source, settings = {}) {
     if (source.name && source.source && source.argumentTypes && 'returnType' in source) {
       this.functions.push(source);
-    } else if ('settings' in source && 'source' in source) {
-      this.functions.push(this.functionToIGPUFunction(source.source, source.settings));
     } else if (typeof source === 'string' || typeof source === 'function') {
       this.functions.push(this.functionToIGPUFunction(source, settings));
+    } else if ('settings' in source && 'source' in source) {
+      this.functions.push(this.functionToIGPUFunction(source.source, source.settings));
     } else {
       throw new Error(`function not properly defined`);
     }

test/internal/functions-as-strings.js

@@ -0,0 +1,45 @@
+const { assert, skip, test, module: describe, only } = require('qunit');
+const { GPU } = require('../../src');
+
+describe('internal: functions-as-atrings');
+
+function functionsAsStrings(mode) {
+  const gpu = new GPU({ mode });
+  const kernel = gpu.createKernel(`function() {
+    let x = frodo(0)
+    return x;
+  }`, {
+    output: [1],
+  });
+  kernel.addFunction(`function frodo(a){
+    return a + 1
+  }`)
+  const result = kernel();
+  console.log('result',result)
+  assert.equal(result[0],1);
+  gpu.destroy();
+}
+
+test('boolean expression false auto', () => {
+  functionsAsStrings();
+});
+
+test('boolean expression false gpu', () => {
+  functionsAsStrings('gpu');
+});
+
+(GPU.isWebGLSupported ? test : skip)('boolean expression false webgl', () => {
+  functionsAsStrings('webgl');
+});
+
+(GPU.isWebGL2Supported ? test : skip)('boolean expression false webgl2', () => {
+  functionsAsStrings('webgl2');
+});
+
+(GPU.isHeadlessGLSupported ? test : skip)('boolean expression false headlessgl', () => {
+  functionsAsStrings('headlessgl');
+});
+
+test('boolean expression false cpu', () => {
+  functionsAsStrings('cpu');
+});