Typedarrrayadditions

runtime/ejs-atoms.h

@@ -314,6 +314,7 @@ EJS_ATOM2(bound ,bound_space)
 
 // ArrayBuffer functions
 //EJS_ATOM(slice)
+EJS_ATOM(isView)
 
 // console functions
 //EJS_ATOM(log)

runtime/ejs-typedarrays.h

@@ -81,8 +81,10 @@ typedef struct _EJSDataView {
                                   ))
 
 #define EJSVAL_TO_TYPEDARRAY(v) ((EJSTypedArray*)EJSVAL_TO_OBJECT(v))
+#define EJSVAL_TO_ARRAYBUFFER(v) ((EJSArrayBuffer*)EJSVAL_TO_OBJECT(v))
 
 #define EJSVAL_IS_ARRAYBUFFER(v) (EJSVAL_IS_OBJECT(v) && (EJSVAL_TO_OBJECT(v)->ops == &_ejs_ArrayBuffer_specops))
+#define EJSVAL_IS_DATAVIEW(v) (EJSVAL_IS_OBJECT(v) && (EJSVAL_TO_OBJECT(v)->ops == &_ejs_DataView_specops))
 
 #define EJSOBJECT_IS_TYPEDARRAY(v) ((v)->ops == &_ejs_Int8Array_specops || \
                                     (v)->ops == &_ejs_Int16Array_specops || \

test/expected/typedarray10.js.expected-out

@@ -0,0 +1,10 @@
+0
+1
+2
+3
+4
+101
+99
+77
+67
+4

test/expected/typedarray11.js.expected-out

@@ -0,0 +1,6 @@
+{44,101,34,77,1234}
+{44;101;34;77;1234}
+{44--101--34--77--1234}
+{44 101 34 77 1234}
+{44010103407701234}
+{44                 101                 34                 77                 1234}

test/expected/typedarray7.js.expected-out

@@ -0,0 +1,9 @@
+false
+false
+false
+false
+false
+false
+true
+true
+true

test/expected/typedarray8.js.expected-out

@@ -0,0 +1,13 @@
+1
+2
+3
+0
+0
+0
+0
+0
+
+1
+2
+3
+0

test/expected/typedarray9.js.expected-out

@@ -0,0 +1,6 @@
+a[0] = 2
+a[1] = 5
+a[2] = 9
+a[0] = 7
+a[1] = 0
+a[2] = 120

test/typedarray10.js

@@ -0,0 +1,13 @@
+var arr = Int32Array.of(101, 99, 77, 67, 4);
+var iter;
+
+// 1. Go for keys()
+var keys = arr.keys();
+while (!(iter = keys.next ()).done)
+    console.log (iter.value);
+
+// 2. Go for values()
+var values = arr.values();
+while (!(iter = values.next ()).done)
+    console.log (iter.value);
+

test/typedarray11.js

@@ -0,0 +1,9 @@
+
+let arr = Int32Array.of(44, 101, 34, 77, 1234);
+console.log ("{" + arr.join() + "}");
+console.log ("{" + arr.join(";") + "}");
+console.log ("{" + arr.join("--") + "}");
+console.log ("{" + arr.join(" ") + "}");
+console.log ("{" + arr.join(0) + "}");
+console.log ("{" + arr.join("                 ") + "}");
+

test/typedarray7.js

@@ -0,0 +1,16 @@
+// From the MDN samples.
+
+console.log(ArrayBuffer.isView());                      // false
+console.log(ArrayBuffer.isView([]));                    // false
+console.log(ArrayBuffer.isView({}));                    // false
+console.log(ArrayBuffer.isView(null));                  // false
+console.log(ArrayBuffer.isView(undefined));             // false
+console.log(ArrayBuffer.isView(new ArrayBuffer(10)));   // false
+
+console.log(ArrayBuffer.isView(new Uint8Array()));      // true
+console.log(ArrayBuffer.isView(new Float32Array()));    // true
+//ArrayBuffer.isView(new Int8Array(10).subarray(0, 3)); // true
+
+var buffer = new ArrayBuffer(2);
+var dv = new DataView(buffer);
+console.log(ArrayBuffer.isView(dv)); // true

test/typedarray8.js

@@ -0,0 +1,19 @@
+
+var buffer = new ArrayBuffer(8);
+var uint8 = new Uint8Array(buffer);
+uint8[0] = 1;
+uint8[1] = 2;
+uint8[2] = 3;
+
+// [ 1, 2, 3, 0, 0, 0, 0, 0 ]
+for (let i = 0; i < uint8.length; i++)
+    console.log(uint8[i]);
+
+console.log();
+
+var sub = uint8.subarray(0, 4); 
+
+// [ 1, 2, 3, 0 ]
+for (let i = 0; i < sub.length; i++)
+    console.log(sub[i]);
+

test/typedarray9.js

@@ -0,0 +1,25 @@
+function logArrayElements(element, index, array) {
+    console.log("a[" + index + "] = " + element);
+}
+
+let arr = new Int32Array(3);
+arr[0] = 2;
+arr[1] = 5;
+arr[2] = 9;
+
+arr.forEach(logArrayElements);
+// logs:
+// a[0] = 2
+// a[1] = 5
+// a[2] = 9
+
+let arr2 = new Int8Array(3);
+arr2[0] = 7;
+arr2[2] = 120;
+
+arr2.forEach(logArrayElements);
+// logs:
+// a[0] = 7
+// a[1] = 0
+// a[2] = 120
+