Implement in-library regexp validation

Add support for ES2018 regexp features.
acornjs · Feb 22, 2018 · 0d20f67 · 0d20f67
1 parent ba939ea
commit 0d20f67
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Showing 9 changed files with 3,035 additions and 66 deletions.
diff --git a/bin/run_test262.js b/bin/run_test262.js
@@ -9,10 +9,7 @@ const unsupportedFeatures = [
   "class-fields-private",
   "class-fields-public",
   "numeric-separator-literal",
-  "optional-catch-binding",
-  "regexp-lookbehind",
-  "regexp-named-groups",
-  "regexp-unicode-property-escapes"
+  "optional-catch-binding"
 ];
 
 run(

diff --git a/src/loose/state.js b/src/loose/state.js
@@ -1,5 +1,7 @@
 import {tokenizer, SourceLocation, tokTypes as tt, Node, lineBreak, isNewLine} from "../index"
 
+function noop() {}
+
 // Registered plugins
 export const pluginsLoose = {}
 
@@ -9,6 +11,8 @@ export class LooseParser {
     this.options = this.toks.options
     this.input = this.toks.input
     this.tok = this.last = {type: tt.eof, start: 0, end: 0}
+    this.tok.validateRegExpFlags = noop
+    this.tok.validateRegExpPattern = noop
     if (this.options.locations) {
       let here = this.toks.curPosition()
       this.tok.loc = new SourceLocation(this.toks, here, here)