Merge pull request #1303 from bocoup/classfields

classfields: eval early errors

test/language/statements/class/fields-direct-eval-err-contains-newcall.js

+// This file was procedurally generated from the following sources:
+// - src/class-fields/eval-err-contains-newcall.case
+// - src/class-fields/initializer-eval/cls-decl-fields-eval.template
+/*---
+description: error if `new.call` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class-fields]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Functions
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of any function.
+    ScriptBody:StatementList
+
+      It is a Syntax Error if StatementList Contains NewTarget.
+
+---*/
+
+
+var executed = false;
+class C = {
+  x = eval('executed = true; new.call;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);

test/language/statements/class/fields-indirect-eval-err-contains-arguments.js

+// This file was procedurally generated from the following sources:
+// - src/class-fields/eval-err-contains-arguments.case
+// - src/class-fields/initializer-eval/cls-decl-fields-indirect-eval.template
+/*---
+description: error if `arguments` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class-fields]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if ContainsArguments of StatementList is true.
+      ...
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+var executed = false;
+class C = {
+  x = (0, eval)('executed = true; arguments;');
+}
+
+assert.throws(ReferenceError, function() {
+  new C();
+});
+
+assert.sameValue(executed, true);

test/language/statements/class/fields-indirect-eval-err-contains-newcall.js

+// This file was procedurally generated from the following sources:
+// - src/class-fields/eval-err-contains-newcall.case
+// - src/class-fields/initializer-eval/cls-decl-fields-indirect-eval.template
+/*---
+description: error if `new.call` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class-fields]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Functions
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of any function.
+    ScriptBody:StatementList
+
+      It is a Syntax Error if StatementList Contains NewTarget.
+
+---*/
+
+
+var executed = false;
+class C = {
+  x = (0, eval)('executed = true; new.call;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, true);