176975 2017-09-14 21:21:27 -0700 WSL should support ++, --, +=, and all of those things 2018-10-13 16:42:07 -0700 1 1 1 Unclassified WebKit WebGPU WebKit Nightly Build All All RESOLVED FIXED InRadar P2 Normal --- 176199 1 fpizlo fpizlo mmaxfield webkit-bug-importer oldest_to_newest 1349169 0 fpizlo 2017-09-14 21:21:27 -0700 Patch fhrtchoming. 1349170 1 320866 fpizlo 2017-09-14 21:23:30 -0700 Created attachment 320866 the patch 1349503 2 320866 mmaxfield 2017-09-15 13:28:18 -0700 Comment on attachment 320866 the patch View in context: https://bugs.webkit.org/attachment.cgi?id=320866&action=review > Tools/WebGPUShadingLanguageRI/Checker.js:182 > + node.type = node.argument.visit(this); Javascript is awesome. LetExpression dresses up as if it were a VariableDecl and JavaScript just makes it work. > Tools/WebGPUShadingLanguageRI/EBufferBuilder.js:59 > + node.initializer.visit(this); lololol. Can we add a test for this? > Tools/WebGPUShadingLanguageRI/LetExpression.js:42 > + return this.name + "(" + this.argument + ", " + this.body + ")"; |this| doesn't appear to have a "body" value. I know you set it in the parser, but it would aid readability if you put |body| and |argument| in the constructor (and passed undefined to the constructor if necessary). > Tools/WebGPUShadingLanguageRI/Parse.js:340 > + function doIncrement(token, ptr, extraArg) "do" is a little misleading. Maybe "emit"? > Tools/WebGPUShadingLanguageRI/Parse.js:342 > + let args = [new DereferenceExpression(token, VariableRef.wrap(ptr))]; I don't understand why all these Dereference expressions are necessary (lines 342, 352, 362, 413). Why don't we just remove the MakePtrs on lines 359 and 410 and then the Dereferences wouldn't be necessary? Is the reason because, if we did this, it would be impossible to change the value of "b" in the statement "++b"? Because you'd just be changing the LetExpression's ePtr and not the real b? > Tools/WebGPUShadingLanguageRI/Parse.js:349 > + Might want to check that |name| is not exactly equal to "operator" > Tools/WebGPUShadingLanguageRI/Parse.js:361 > + let oldValue = new LetExpression(token); I think I understand this. Cute. > Tools/WebGPUShadingLanguageRI/Parse.js:407 > + function finishParsingPreIncrement(token, left, extraArg) Shouldn't this be called "right"? > Tools/WebGPUShadingLanguageRI/Parse.js:421 > + let left = parsePossiblePrefix(); Shouldn't this be called "right"? 1349507 3 fpizlo 2017-09-15 13:34:41 -0700 (In reply to Myles C. Maxfield from comment #2) > Comment on attachment 320866 [details] > the patch > > View in context: > https://bugs.webkit.org/attachment.cgi?id=320866&action=review > > > Tools/WebGPUShadingLanguageRI/Checker.js:182 > > + node.type = node.argument.visit(this); > > Javascript is awesome. LetExpression dresses up as if it were a VariableDecl > and JavaScript just makes it work. > > > Tools/WebGPUShadingLanguageRI/EBufferBuilder.js:59 > > + node.initializer.visit(this); > > lololol. Can we add a test for this? I'll try! > > > Tools/WebGPUShadingLanguageRI/LetExpression.js:42 > > + return this.name + "(" + this.argument + ", " + this.body + ")"; > > |this| doesn't appear to have a "body" value. I know you set it in the > parser, but it would aid readability if you put |body| and |argument| in the > constructor (and passed undefined to the constructor if necessary). Fixed: I initialized them both to null in the constructor. > > > Tools/WebGPUShadingLanguageRI/Parse.js:340 > > + function doIncrement(token, ptr, extraArg) > > "do" is a little misleading. Maybe "emit"? Fixed. > > > Tools/WebGPUShadingLanguageRI/Parse.js:342 > > + let args = [new DereferenceExpression(token, VariableRef.wrap(ptr))]; > > I don't understand why all these Dereference expressions are necessary > (lines 342, 352, 362, 413). Why don't we just remove the MakePtrs on lines > 359 and 410 and then the Dereferences wouldn't be necessary? Is the reason > because, if we did this, it would be impossible to change the value of "b" > in the statement "++b"? Because you'd just be changing the LetExpression's > ePtr and not the real b? Yeah, then you wouldn't actually be changing the value of the variable. > > > Tools/WebGPUShadingLanguageRI/Parse.js:349 > > + > > Might want to check that |name| is not exactly equal to "operator" Fixed. > > > Tools/WebGPUShadingLanguageRI/Parse.js:361 > > + let oldValue = new LetExpression(token); > > I think I understand this. Cute. > > > Tools/WebGPUShadingLanguageRI/Parse.js:407 > > + function finishParsingPreIncrement(token, left, extraArg) > > Shouldn't this be called "right"? It's left += extraArg. So, extraArg could be called right, but left is totally left. > > > Tools/WebGPUShadingLanguageRI/Parse.js:421 > > + let left = parsePossiblePrefix(); > > Shouldn't this be called "right"? Ditto. Pretty sure it's right. 1349510 4 fpizlo 2017-09-15 13:36:45 -0700 Landed in https://trac.webkit.org/changeset/222108/webkit 1353392 5 webkit-bug-importer 2017-09-27 12:27:07 -0700 <rdar://problem/34693302> 1468934 6 mmaxfield 2018-10-13 16:42:07 -0700 Migrated to https://github.com/gpuweb/WHLSL/issues/135 320866 2017-09-14 21:23:30 -0700 2017-09-15 13:28:18 -0700 the patch blah.patch text/plain 23591 fpizlo SW5kZXg6IFRvb2xzL0NoYW5nZUxvZwo9PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09Ci0tLSBUb29scy9DaGFuZ2VMb2cJKHJl dmlzaW9uIDIyMjA3MykKKysrIFRvb2xzL0NoYW5nZUxvZwkod29ya2luZyBjb3B5KQpAQCAtMSwz ICsxLDcwIEBACisyMDE3LTA5LTE0ICBGaWxpcCBQaXpsbyAgPGZwaXpsb0BhcHBsZS5jb20+CisK KyAgICAgICAgV1NMIHNob3VsZCBzdXBwb3J0ICsrLCAtLSwgKz0sIGFuZCBhbGwgb2YgdGhvc2Ug dGhpbmdzCisgICAgICAgIGh0dHBzOi8vYnVncy53ZWJraXQub3JnL3Nob3dfYnVnLmNnaT9pZD0x NzY5NzUKKworICAgICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4KKyAgICAgICAgCisg 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