@webassemblyjs/wasm-parser - npm Package Compare versions

Comparing version 1.6.0 to 1.7.0-0

lib/decoder.js

@@ -237,2 +237,16 @@ "use strict";
   }
+
+  function readVaruint32() {
+    // where 32 bits = max 4 bytes
+    var bytes = readBytes(4);
+    var buffer = Buffer.from(bytes);
+    return (0, _leb.decodeUInt32)(buffer);
+  }
+
+  function readVaruint7() {
+    // where 7 bits = max 1 bytes
+    var bytes = readBytes(1);
+    var buffer = Buffer.from(bytes);
+    return (0, _leb.decodeUInt32)(buffer);
+  }
   /**
@@ -950,4 +964,2 @@ * Decode a signed 32bits interger
     var functionNames = [];
-    var subSectionSizeInBytesu32 = readU32();
-    eatBytes(subSectionSizeInBytesu32.nextIndex);
     var numberOfFunctionsu32 = readU32();
@@ -970,8 +982,6 @@ var numbeOfFunctions = numberOfFunctionsu32.value;
   function parseNameSectionLocals() {
-    var subSectionSizeInBytesu32 = readU32();
-    eatBytes(subSectionSizeInBytesu32.nextIndex);
+    var localNames = [];
     var numbeOfFunctionsu32 = readU32();
     var numbeOfFunctions = numbeOfFunctionsu32.value;
     eatBytes(numbeOfFunctionsu32.nextIndex);
-    var localNames = [];
 
@@ -1006,11 +1016,33 @@ for (var i = 0; i < numbeOfFunctions; i++) {
     while (offset - initialOffset < remainingBytes) {
-      var sectionTypeByte = readByte();
-      eatBytes(1);
+      // name_type
+      var sectionTypeByte = readVaruint7();
+      eatBytes(sectionTypeByte.nextIndex); // name_payload_len
 
-      if (sectionTypeByte === 0) {
-        nameMetadata.push.apply(nameMetadata, _toConsumableArray(parseNameModule()));
-      } else if (sectionTypeByte === 1) {
-        nameMetadata.push.apply(nameMetadata, _toConsumableArray(parseNameSectionFunctions()));
-      } else if (sectionTypeByte === 2) {
-        nameMetadata.push.apply(nameMetadata, _toConsumableArray(parseNameSectionLocals()));
+      var subSectionSizeInBytesu32 = readVaruint32();
+      eatBytes(subSectionSizeInBytesu32.nextIndex);
+
+      switch (sectionTypeByte.value) {
+        case 0:
+          {
+            nameMetadata.push.apply(nameMetadata, _toConsumableArray(parseNameModule()));
+            break;
+          }
+
+        case 1:
+          {
+            nameMetadata.push.apply(nameMetadata, _toConsumableArray(parseNameSectionFunctions()));
+            break;
+          }
+
+        case 2:
+          {
+            nameMetadata.push.apply(nameMetadata, _toConsumableArray(parseNameSectionLocals()));
+            break;
+          }
+
+        default:
+          {
+            // skip unknown subsection
+            eatBytes(subSectionSizeInBytesu32.value);
+          }
       }
@@ -1454,4 +1486,3 @@ }
           if (opts.ignoreDataSection === true) {
-            var _remainingBytes = // $FlowIgnore
-            sectionSizeInBytes - _numberOfElements2.nextIndex;
+            var _remainingBytes = sectionSizeInBytes - _numberOfElementsu2.nextIndex;
 
@@ -1490,3 +1521,8 @@ eatBytes(_remainingBytes); // eat the entire section
           if (sectionName.value === "name") {
-            _metadata12.push.apply(_metadata12, _toConsumableArray(parseNameSection(_remainingBytes2)));
+            try {
+              _metadata12.push.apply(_metadata12, _toConsumableArray(parseNameSection(_remainingBytes2)));
+            } catch (e) {
+              console.warn("Failed to decode custom \"name\" section @".concat(offset, "; ignoring (").concat(e.message, ")."));
+              eatBytes(_remainingBytes2);
+            }
           } else {
@@ -1493,0 +1529,0 @@ // We don't parse the custom section

lib/index.js

@@ -225,3 +225,9 @@ "use strict";
           var node = _ref7.node;
-          node.id = moduleNameMetadataPath.node.value;
+          var name = moduleNameMetadataPath.node.value; // compatiblity with wast-parser
+
+          if (name === "") {
+            name = null;
+          }
+
+          node.id = name;
         })
@@ -228,0 +234,0 @@ });

package.json

 {
   "name": "@webassemblyjs/wasm-parser",
-  "version": "1.6.0",
+  "version": "1.7.0-0",
   "keywords": [
@@ -13,2 +13,3 @@ "webassembly",
   "main": "lib/index.js",
+  "module": "esm/index.js",
   "scripts": {
@@ -20,8 +21,8 @@ "test": "mocha"
   "dependencies": {
-    "@webassemblyjs/ast": "1.6.0",
-    "@webassemblyjs/helper-api-error": "1.6.0",
-    "@webassemblyjs/helper-wasm-bytecode": "1.6.0",
-    "@webassemblyjs/ieee754": "1.6.0",
-    "@webassemblyjs/leb128": "1.6.0",
-    "@webassemblyjs/utf8": "1.6.0"
+    "@webassemblyjs/ast": "1.7.0-0",
+    "@webassemblyjs/helper-api-error": "1.7.0-0",
+    "@webassemblyjs/helper-wasm-bytecode": "1.7.0-0",
+    "@webassemblyjs/ieee754": "1.7.0-0",
+    "@webassemblyjs/leb128": "1.7.0-0",
+    "@webassemblyjs/utf8": "1.7.0-0"
   },
@@ -36,9 +37,9 @@ "repository": {
   "devDependencies": {
-    "@webassemblyjs/helper-buffer": "1.6.0",
-    "@webassemblyjs/helper-test-framework": "1.6.0",
-    "@webassemblyjs/helper-wasm-bytecode": "1.6.0",
-    "@webassemblyjs/wasm-gen": "1.6.0",
-    "@webassemblyjs/wast-parser": "1.6.0",
+    "@webassemblyjs/helper-buffer": "1.7.0-0",
+    "@webassemblyjs/helper-test-framework": "1.7.0-0",
+    "@webassemblyjs/helper-wasm-bytecode": "1.7.0-0",
+    "@webassemblyjs/wasm-gen": "1.7.0-0",
+    "@webassemblyjs/wast-parser": "1.7.0-0",
     "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

No v1

Quality

Package is not semver >=1. This means it is not stable and does not support ^ ranges.

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

111195

increased by97.78%

Number of package files

8

increased by60%

Lines of code

3008

increased by103.66%

Worsened metrics

Number of low quality alerts

2

increased by100%

Dependency changes

• + Added@webassemblyjs/ast@1.7.0-0(transitive)

• + Added@webassemblyjs/floating-point-hex-parser@1.7.0-0(transitive)

• + Added@webassemblyjs/helper-api-error@1.7.0-0(transitive)

• + Added@webassemblyjs/helper-code-frame@1.7.0-0(transitive)

• + Added@webassemblyjs/helper-fsm@1.7.0-0(transitive)

• + Added@webassemblyjs/helper-module-context@1.7.0-0(transitive)

• + Added@webassemblyjs/helper-wasm-bytecode@1.7.0-0(transitive)

• + Added@webassemblyjs/ieee754@1.7.0-0(transitive)

• + Added@webassemblyjs/leb128@1.7.0-0(transitive)

• + Added@webassemblyjs/utf8@1.7.0-0(transitive)

• + Added@webassemblyjs/wast-parser@1.7.0-0(transitive)

• + Added@webassemblyjs/wast-printer@1.7.0-0(transitive)

• - Removed@webassemblyjs/ast@1.6.0(transitive)

• - Removed@webassemblyjs/floating-point-hex-parser@1.6.0(transitive)

• - Removed@webassemblyjs/helper-api-error@1.6.0(transitive)

• - Removed@webassemblyjs/helper-code-frame@1.6.0(transitive)

• - Removed@webassemblyjs/helper-fsm@1.6.0(transitive)

• - Removed@webassemblyjs/helper-module-context@1.6.0(transitive)

• - Removed@webassemblyjs/helper-wasm-bytecode@1.6.0(transitive)

• - Removed@webassemblyjs/ieee754@1.6.0(transitive)

• - Removed@webassemblyjs/leb128@1.6.0(transitive)

• - Removed@webassemblyjs/utf8@1.6.0(transitive)

• - Removed@webassemblyjs/wast-parser@1.6.0(transitive)

• - Removed@webassemblyjs/wast-printer@1.6.0(transitive)

• Updated@webassemblyjs/ast@1.7.0-0

• Updated@webassemblyjs/helper-api-error@1.7.0-0

• Updated@webassemblyjs/helper-wasm-bytecode@1.7.0-0

• Updated@webassemblyjs/ieee754@1.7.0-0

• Updated@webassemblyjs/leb128@1.7.0-0

• Updated@webassemblyjs/utf8@1.7.0-0