Move inline macro definition from typedarray.js to macros.py

src/macros.py

 # Copyright 2006-2009 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 253 matching lines @@
 const COMPILATION_TYPE_JSON = 2;
 
 # Matches Messages::kNoLineNumberInfo from v8.h
 const kNoLineNumberInfo = 0;
 
 # Matches PropertyAttributes from property-details.h
 const PROPERTY_ATTRIBUTES_NONE = 0;
 const PROPERTY_ATTRIBUTES_STRING = 8;
 const PROPERTY_ATTRIBUTES_SYMBOLIC = 16;
 const PROPERTY_ATTRIBUTES_PRIVATE_SYMBOL = 32;
+
+# Typed Arrays
+macro TYPED_ARRAY_CONSTRUCTOR(ARRAY_ID, NAME, ELEMENT_SIZE)
+  function NAMEConstructByArrayBuffer(obj, buffer, byteOffset, length) {
+    var bufferByteLength = buffer.byteLength;
+    var offset;
+    if (IS_UNDEFINED(byteOffset)) {
+      offset = 0;
+    } else {
+      offset = ToPositiveInteger(byteOffset, "invalid_typed_array_length");
+
+      if (offset % ELEMENT_SIZE !== 0) {
+        throw MakeRangeError("invalid_typed_array_alignment",
+            "start offset", "NAME", ELEMENT_SIZE);
+      }
+      if (offset > bufferByteLength) {
+        throw MakeRangeError("invalid_typed_array_offset");
+      }
+    }
+
+    var newByteLength;
+    var newLength;
+    if (IS_UNDEFINED(length)) {
+      if (bufferByteLength % ELEMENT_SIZE !== 0) {
+        throw MakeRangeError("invalid_typed_array_alignment",
+          "byte length", "NAME", ELEMENT_SIZE);
+      }
+      newByteLength = bufferByteLength - offset;
+      newLength = newByteLength / ELEMENT_SIZE;
+    } else {
+      var newLength = ToPositiveInteger(length, "invalid_typed_array_length");
+      newByteLength = newLength * ELEMENT_SIZE;
+    }
+    if ((offset + newByteLength > bufferByteLength)
+        || (newLength > %MaxSmi())) {
+      throw MakeRangeError("invalid_typed_array_length");
+    }
+    %TypedArrayInitialize(obj, ARRAY_ID, buffer, offset, newByteLength);
+  }
+
+  function NAMEConstructByLength(obj, length) {
+    var l = IS_UNDEFINED(length) ?
+      0 : ToPositiveInteger(length, "invalid_typed_array_length");
+    if (l > %MaxSmi()) {
+      throw MakeRangeError("invalid_typed_array_length");
+    }
+    var byteLength = l * ELEMENT_SIZE;
+    var buffer = new $ArrayBuffer(byteLength);
+    %TypedArrayInitialize(obj, ARRAY_ID, buffer, 0, byteLength);
+  }
+
+  function NAMEConstructByArrayLike(obj, arrayLike) {
+    var length = arrayLike.length;
+    var l = ToPositiveInteger(length, "invalid_typed_array_length");
+    if (l > %MaxSmi()) {
+      throw MakeRangeError("invalid_typed_array_length");
+    }
+    if(!%TypedArrayInitializeFromArrayLike(obj, ARRAY_ID, arrayLike, l)) {
+      for (var i = 0; i < l; i++) {
+        // It is crucial that we let any execptions from arrayLike[i]
+        // propagate outside the function.
+        obj[i] = arrayLike[i];
+      }
+    }
+  }
+
+  function NAMEConstructor(arg1, arg2, arg3) {
+
+    if (%_IsConstructCall()) {
+      if (IS_ARRAYBUFFER(arg1)) {
+        NAMEConstructByArrayBuffer(this, arg1, arg2, arg3);
+      } else if (IS_NUMBER(arg1) || IS_STRING(arg1) ||
+                 IS_BOOLEAN(arg1) || IS_UNDEFINED(arg1)) {
+        NAMEConstructByLength(this, arg1);
+      } else {
+        NAMEConstructByArrayLike(this, arg1);
+      }
+    } else {
+      throw MakeTypeError("constructor_not_function", ["NAME"])
+    }
+  }
+endmacro
+
+macro SETUP_TYPED_ARRAY(ARRAY_ID, NAME, ELEMENT_SIZE)
+  SetupTypedArray (global.NAME, NAMEConstructor, ELEMENT_SIZE);
+endmacro
+
+macro TYPED_ARRAYS(FUNCTION)
+// arrayIds below should be synchronized with Runtime_TypedArrayInitialize.
+FUNCTION(1, Uint8Array, 1)
+FUNCTION(2, Int8Array, 1)
+FUNCTION(3, Uint16Array, 2)
+FUNCTION(4, Int16Array, 2)
+FUNCTION(5, Uint32Array, 4)
+FUNCTION(6, Int32Array, 4)
+FUNCTION(7, Float32Array, 4)
+FUNCTION(8, Float64Array, 8)
+FUNCTION(9, Uint8ClampedArray, 1)
+endmacro
+
+# DataView
+macro DATA_VIEW_GETTER_SETTER(TYPENAME)
+function DataViewGetTYPENAME(offset, little_endian) {
+  if (!IS_DATAVIEW(this)) {
+    throw MakeTypeError('incompatible_method_receiver',
+                        ['DataView.getTYPENAME', this]);
+  }
+  if (%_ArgumentsLength() < 1) {
+    throw MakeTypeError('invalid_argument');
+  }
+  return %DataViewGetTYPENAME(this,
+                          ToPositiveDataViewOffset(offset),
+                          !!little_endian);
+}
+
+function DataViewSetTYPENAME(offset, value, little_endian) {
+  if (!IS_DATAVIEW(this)) {
+    throw MakeTypeError('incompatible_method_receiver',
+                        ['DataView.setTYPENAME', this]);
+  }
+  if (%_ArgumentsLength() < 2) {
+    throw MakeTypeError('invalid_argument');
+  }
+  %DataViewSetTYPENAME(this,
+                   ToPositiveDataViewOffset(offset),
+                   TO_NUMBER_INLINE(value),
+                   !!little_endian);
+}
+endmacro
+
+macro DATA_VIEW_TYPES(FUNCTION)
+  FUNCTION(Int8)
+  FUNCTION(Uint8)
+  FUNCTION(Int16)
+  FUNCTION(Uint16)
+  FUNCTION(Int32)
+  FUNCTION(Uint32)
+  FUNCTION(Float32)
+  FUNCTION(Float64)
+endmacro