memory safe for inline assembly (#685)

* memory safe for inline assembly

* adding language option for assembly

src/nodes/InlineAssemblyStatement.js

@@ -1,5 +1,21 @@
 // @TODO: add support for assembly language specifier
+const { printString } = require('../prettier-comments/common/util');
+const printSeparatedList = require('./print-separated-list');
+
 const InlineAssemblyStatement = {
-  print: ({ path, print }) => ['assembly ', path.call(print, 'body')]
+  print: ({ node, path, print, options }) => [
+    'assembly ',
+    node.language ? `${printString(node.language, options)} ` : '',
+    node.flags && node.flags.length > 0
+      ? [
+          '(',
+          printSeparatedList(
+            node.flags.map((flag) => printString(flag, options))
+          ),
+          ') '
+        ]
+      : '',
+    path.call(print, 'body')
+  ]
 };
 module.exports = InlineAssemblyStatement;

tests/format/Assembly/Assembly.sol

@@ -177,4 +177,11 @@ function $somefn(somearg) {
             }
         }
   }
+
+  function memorySafe() {
+    assembly ("memory-safe") {
+    }
+    assembly "evmasm" ("memory-safe") {
+    }
+  }
 }

tests/format/Assembly/__snapshots__/jsfmt.spec.js.snap

@@ -185,6 +185,13 @@ function $somefn(somearg) {
             }
         }
   }
+
+  function memorySafe() {
+    assembly ("memory-safe") {
+    }
+    assembly "evmasm" ("memory-safe") {
+    }
+  }
 }
 
 =====================================output=====================================
@@ -400,6 +407,15 @@ contract Assembly {
             }
         }
     }
+
+    function memorySafe() {
+        assembly ("memory-safe") {
+
+        }
+        assembly "evmasm" ("memory-safe") {
+
+        }
+    }
 }
 
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