@webassemblyjs/wasm-parser - npm Package Compare versions

Comparing version 1.5.8 to 1.5.9

lib/decoder.js

@@ -10,4 +10,8 @@ "use strict";
 
+var ieee754 = _interopRequireWildcard(require("@webassemblyjs/ieee754"));
+
 var _leb = require("@webassemblyjs/leb128");
 
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
+
 function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
@@ -31,4 +35,2 @@
 
-var ieee754 = require("./ieee754");
-
 var _require2 = require("./utf8"),
@@ -156,10 +158,32 @@ utf8ArrayToStr = _require2.utf8ArrayToStr;
     return arr;
-  } // FIXME(sven): use ieee754 package
+  }
 
-
   function readF64() {
     var bytes = readBytes(ieee754.NUMBER_OF_BYTE_F64);
-    var buffer = Buffer.from(bytes); // FIXME(sven): should be DOUBLE_PRECISION_MANTISSA?
+    var value = ieee754.decodeF64(bytes);
 
-    var value = ieee754.decode(buffer, 0, true, ieee754.SINGLE_PRECISION_MANTISSA, ieee754.NUMBER_OF_BYTE_F64);
+    if (Math.sign(value) * value === Infinity) {
+      return {
+        value: Math.sign(value),
+        inf: true,
+        nextIndex: ieee754.NUMBER_OF_BYTE_F64
+      };
+    }
+
+    if (isNaN(value)) {
+      var sign = bytes[bytes.length - 1] >> 7 ? -1 : 1;
+      var mantissa = 0;
+
+      for (var i = 0; i < bytes.length - 2; ++i) {
+        mantissa += bytes[i] * Math.pow(256, i);
+      }
+
+      mantissa += bytes[bytes.length - 2] % 16 * Math.pow(256, bytes.length - 2);
+      return {
+        value: sign * mantissa,
+        nan: true,
+        nextIndex: ieee754.NUMBER_OF_BYTE_F64
+      };
+    }
+
     return {
@@ -173,4 +197,28 @@ value: value,
     var bytes = readBytes(ieee754.NUMBER_OF_BYTE_F32);
-    var buffer = Buffer.from(bytes);
-    var value = ieee754.decode(buffer, 0, true, ieee754.SINGLE_PRECISION_MANTISSA, ieee754.NUMBER_OF_BYTE_F32);
+    var value = ieee754.decodeF32(bytes);
+
+    if (Math.sign(value) * value === Infinity) {
+      return {
+        value: Math.sign(value),
+        inf: true,
+        nextIndex: ieee754.NUMBER_OF_BYTE_F32
+      };
+    }
+
+    if (isNaN(value)) {
+      var sign = bytes[bytes.length - 1] >> 7 ? -1 : 1;
+      var mantissa = 0;
+
+      for (var i = 0; i < bytes.length - 2; ++i) {
+        mantissa += bytes[i] * Math.pow(256, i);
+      }
+
+      mantissa += bytes[bytes.length - 2] % 128 * Math.pow(256, bytes.length - 2);
+      return {
+        value: sign * mantissa,
+        nan: true,
+        nextIndex: ieee754.NUMBER_OF_BYTE_F32
+      };
+    }
+
     return {
@@ -750,3 +798,3 @@ value: value,
           eatBytes(value32.nextIndex);
-          dump([value], "value");
+          dump([value], "i32 value");
           args.push(t.numberLiteralFromRaw(value));
@@ -759,3 +807,3 @@ }
           eatBytes(valueu32.nextIndex);
-          dump([_value], "value");
+          dump([_value], "u32 value");
           args.push(t.numberLiteralFromRaw(_value));
@@ -768,3 +816,3 @@ }
           eatBytes(value64.nextIndex);
-          dump([_value2], "value");
+          dump([_value2], "i64 value");
           var node = {
@@ -781,3 +829,3 @@ type: "LongNumberLiteral",
           eatBytes(valueu64.nextIndex);
-          dump([_value3], "value");
+          dump([_value3], "u64 value");
           args.push(t.numberLiteralFromRaw(_value3));
@@ -790,4 +838,5 @@ }
           eatBytes(valuef32.nextIndex);
-          dump([_value4], "value");
-          args.push(t.numberLiteralFromRaw(_value4));
+          dump([_value4], "f32 value");
+          args.push( // $FlowIgnore
+          t.floatLiteral(_value4, valuef32.nan, valuef32.inf, String(_value4)));
         }
@@ -799,4 +848,5 @@
           eatBytes(valuef64.nextIndex);
-          dump([_value5], "value");
-          args.push(t.numberLiteralFromRaw(_value5));
+          dump([_value5], "f64 value");
+          args.push( // $FlowIgnore
+          t.floatLiteral(_value5, valuef64.nan, valuef64.inf, String(_value5)));
         }
@@ -968,2 +1018,3 @@ } else {
     for (var i = 0; i < numberOfGlobals; i++) {
+      var startLoc = getPosition();
       var globalType = parseGlobalType();
@@ -976,3 +1027,4 @@ /**
       parseInstructionBlock(init);
-      var node = t.global(globalType, init);
+      var endLoc = getPosition();
+      var node = t.withLoc(t.global(globalType, init), endLoc, startLoc);
       globals.push(node);
@@ -1464,3 +1516,3 @@ state.globalsInModule.push(node);
 
-    throw new _helperApiError.CompileError("Unexpected section: " + toHex(sectionId));
+    throw new _helperApiError.CompileError("invalid section id (" + toHex(sectionId) + ")");
   }
@@ -1467,0 +1519,0 @@

package.json

 {
   "name": "@webassemblyjs/wasm-parser",
-  "version": "1.5.8",
+  "version": "1.5.9",
   "keywords": [
@@ -19,7 +19,8 @@ "webassembly",
   "dependencies": {
-    "@webassemblyjs/ast": "1.5.8",
-    "@webassemblyjs/helper-api-error": "1.5.8",
-    "@webassemblyjs/helper-wasm-bytecode": "1.5.8",
-    "@webassemblyjs/leb128": "1.5.8",
-    "@webassemblyjs/wasm-parser": "1.5.8"
+    "@webassemblyjs/ast": "1.5.9",
+    "@webassemblyjs/helper-api-error": "1.5.9",
+    "@webassemblyjs/helper-wasm-bytecode": "1.5.9",
+    "@webassemblyjs/ieee754": "1.5.9",
+    "@webassemblyjs/leb128": "1.5.9",
+    "@webassemblyjs/wasm-parser": "1.5.9"
   },
@@ -35,8 +36,8 @@ "repository": {
     "@webassemblyjs/helper-buffer": "1.5.4",
-    "@webassemblyjs/helper-test-framework": "1.5.8",
-    "@webassemblyjs/helper-wasm-bytecode": "1.5.8",
+    "@webassemblyjs/helper-test-framework": "1.5.9",
+    "@webassemblyjs/helper-wasm-bytecode": "1.5.9",
     "@webassemblyjs/wasm-gen": "1.5.4",
-    "@webassemblyjs/wast-parser": "1.5.8",
+    "@webassemblyjs/wast-parser": "1.5.9",
     "wabt": "^1.0.0"
   }
 }

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

57288

increased by0.07%

Worsened metrics

Dependency count

6

increased by20%

Number of package files

6

decreased by-14.29%

Lines of code

1526

decreased by-0.52%

Dependency changes

• + Added@webassemblyjs/ieee754@1.5.9

• + Added@webassemblyjs/ast@1.5.9(transitive)

• + Added@webassemblyjs/floating-point-hex-parser@1.5.9(transitive)

• + Added@webassemblyjs/helper-api-error@1.5.9(transitive)

• + Added@webassemblyjs/helper-code-frame@1.5.9(transitive)

• + Added@webassemblyjs/helper-fsm@1.5.9(transitive)

• + Added@webassemblyjs/helper-module-context@1.5.9(transitive)

• + Added@webassemblyjs/helper-wasm-bytecode@1.5.9(transitive)

• + Added@webassemblyjs/ieee754@1.5.9(transitive)

• + Added@webassemblyjs/leb128@1.5.9(transitive)

• + Added@webassemblyjs/wast-parser@1.5.9(transitive)

• + Added@webassemblyjs/wast-printer@1.5.9(transitive)

• + Addedieee754@1.2.1(transitive)

• - Removed@webassemblyjs/ast@1.5.8(transitive)

• - Removed@webassemblyjs/floating-point-hex-parser@1.5.8(transitive)

• - Removed@webassemblyjs/helper-api-error@1.5.8(transitive)

• - Removed@webassemblyjs/helper-code-frame@1.5.8(transitive)

• - Removed@webassemblyjs/helper-fsm@1.5.8(transitive)

• - Removed@webassemblyjs/helper-module-context@1.5.8(transitive)

• - Removed@webassemblyjs/helper-wasm-bytecode@1.5.8(transitive)

• - Removed@webassemblyjs/leb128@1.5.8(transitive)

• - Removed@webassemblyjs/wast-parser@1.5.8(transitive)

• - Removed@webassemblyjs/wast-printer@1.5.8(transitive)

• Updated@webassemblyjs/ast@1.5.9

• Updated@webassemblyjs/helper-api-error@1.5.9

• Updated@webassemblyjs/helper-wasm-bytecode@1.5.9

• Updated@webassemblyjs/leb128@1.5.9

• Updated@webassemblyjs/wasm-parser@1.5.9