renamed "isGenerator" to "is_generator"

javascript/extractor/src/com/semmle/js/extractor/ASTExtractor.java

@@ -889,7 +889,7 @@ public class ASTExtractor {
     }
 
     private void extractFunctionAttributes(IFunction nd, Label key) {
-      if (nd.isGenerator()) trapwriter.addTuple("isGenerator", key);
+      if (nd.isGenerator()) trapwriter.addTuple("is_generator", key);
       if (nd.hasRest()) trapwriter.addTuple("hasRestParameter", key);
       if (nd.isAsync()) trapwriter.addTuple("isAsync", key);
     }

javascript/extractor/tests/es2015/output/trap/delegating_yield.js.trap

@@ -119,7 +119,7 @@ scopenesting(#20039,#20000)
 #20040=@"var;{arguments};{#20039}"
 variables(#20040,"arguments",#20039)
 is_arguments_object(#20040)
-isGenerator(#20037)
+is_generator(#20037)
 #20041=*
 stmts(#20041,1,#20037,-2,"{\n    yield* g();\n}")
 #20042=@"loc,{#10000},1,15,3,1"

javascript/extractor/tests/es2015/output/trap/yield.js.trap

@@ -186,7 +186,7 @@ variables(#20064,"index",#20063)
 #20065=@"var;{arguments};{#20063}"
 variables(#20065,"arguments",#20063)
 is_arguments_object(#20065)
-isGenerator(#20061)
+is_generator(#20061)
 #20066=*
 stmts(#20066,1,#20061,-2,"{\n  var ... ex++;\n}")
 #20067=@"loc,{#10000},1,16,5,1"

javascript/extractor/tests/es2015/output/trap/yield2.js.trap

@@ -102,7 +102,7 @@ scopenesting(#20032,#20000)
 #20033=@"var;{arguments};{#20032}"
 variables(#20033,"arguments",#20032)
 is_arguments_object(#20033)
-isGenerator(#20029)
+is_generator(#20029)
 #20034=*
 stmts(#20034,1,#20029,-2,"{\n    yield;\n}")
 #20035=@"loc,{#10000},1,15,3,1"

javascript/extractor/tests/es2018/output/trap/asyncIter.js.trap

@@ -380,7 +380,7 @@ scopenesting(#20139,#20000)
 #20140=@"var;{arguments};{#20139}"
 variables(#20140,"arguments",#20139)
 is_arguments_object(#20140)
-isGenerator(#20137)
+is_generator(#20137)
 isAsync(#20137)
 #20141=*
 stmts(#20141,1,#20137,-2,"{}")
@@ -431,7 +431,7 @@ scopenesting(#20152,#20146)
 #20153=@"var;{arguments};{#20152}"
 variables(#20153,"arguments",#20152)
 is_arguments_object(#20153)
-isGenerator(#20150)
+is_generator(#20150)
 isAsync(#20150)
 #20154=*
 stmts(#20154,1,#20150,-2,"{}")
@@ -481,7 +481,7 @@ scopenesting(#20165,#20146)
 #20166=@"var;{arguments};{#20165}"
 variables(#20166,"arguments",#20165)
 is_arguments_object(#20166)
-isGenerator(#20163)
+is_generator(#20163)
 isAsync(#20163)
 #20167=*
 stmts(#20167,1,#20163,-2,"{}")
@@ -571,7 +571,7 @@ scopenesting(#20188,#20000)
 #20189=@"var;{arguments};{#20188}"
 variables(#20189,"arguments",#20188)
 is_arguments_object(#20189)
-isGenerator(#20186)
+is_generator(#20186)
 isAsync(#20186)
 #20190=*
 stmts(#20190,1,#20186,-2,"{}")
@@ -619,7 +619,7 @@ scopenesting(#20200,#20000)
 #20201=@"var;{arguments};{#20200}"
 variables(#20201,"arguments",#20200)
 is_arguments_object(#20201)
-isGenerator(#20198)
+is_generator(#20198)
 isAsync(#20198)
 #20202=*
 stmts(#20202,1,#20198,-2,"{}")

javascript/extractor/tests/esnext/output/trap/async-generators.js.trap

@@ -205,7 +205,7 @@ scopenesting(#20072,#20000)
 #20073=@"var;{arguments};{#20072}"
 variables(#20073,"arguments",#20072)
 is_arguments_object(#20073)
-isGenerator(#20069)
+is_generator(#20069)
 isAsync(#20069)
 #20074=*
 stmts(#20074,1,#20069,-2,"{\n}")

javascript/extractor/tests/esnext/output/trap/yield-import.js.trap

@@ -117,7 +117,7 @@ scopenesting(#20038,#20000)
 #20039=@"var;{arguments};{#20038}"
 variables(#20039,"arguments",#20038)
 is_arguments_object(#20039)
-isGenerator(#20035)
+is_generator(#20035)
 #20040=*
 stmts(#20040,1,#20035,-2,"{\n  yie ... foo"")\n}")
 #20041=@"loc,{#10000},1,15,3,1"

javascript/extractor/tests/flow/output/trap/explicitTypeParameters.js.trap

@@ -519,7 +519,7 @@ scopenesting(#20186,#20000)
 #20187=@"var;{arguments};{#20186}"
 variables(#20187,"arguments",#20186)
 is_arguments_object(#20187)
-isGenerator(#20184)
+is_generator(#20184)
 #20188=*
 stmts(#20188,1,#20184,-2,"{\n  yie ... >(x);\n}")
 #20189=@"loc,{#10000},3,32,5,1"

javascript/ql/src/LanguageFeatures/YieldInNonGenerator.ql

@@ -15,6 +15,6 @@ import javascript
 from YieldExpr yield, Function f
 where
   f = yield.getEnclosingFunction() and
-  not isGenerator(f)
+  not is_generator(f)
 select yield, "This yield expression is contained in $@ which is not marked as a generator.",
   f.getFirstToken(), f.describe()

javascript/ql/src/semmle/javascript/Aliases.qll

@@ -280,3 +280,8 @@ deprecated predicate unicodePropertyEscapeName(RegExpUnicodePropertyEscape id, s
  * Use `RegExpUnicodePropertyEscape#getValue()` instead.
  */ 
 deprecated predicate unicodePropertyEscapeValue(RegExpUnicodePropertyEscape id, string value) { unicode_property_escapevalue(id, value) }
+/**
+ * Alias for the predicate `is_generator` defined in the .dbscheme.
+ * Use `Function#isGenerator()` instead.
+ */ 
+deprecated predicate isGenerator(Function fun) { is_generator(fun) }

javascript/ql/src/semmle/javascript/Functions.qll

@@ -164,7 +164,7 @@ class Function extends @function, Parameterized, TypeParameterized, StmtContaine
 
   /** Holds if this function is a generator function. */
   predicate isGenerator() {
-    isGenerator(this)
+    is_generator(this)
     or
     // we also support `yield` in non-generator functions
     exists(YieldExpr yield | this = yield.getEnclosingFunction())

javascript/ql/src/semmlecode.javascript.dbscheme

@@ -439,7 +439,7 @@ scopenesting (unique int inner: @scope ref,
 @parameterized = @function | @catchclause;
 @type_parameterized = @function | @classorinterface | @typealiasdeclaration | @mappedtypeexpr | @infertypeexpr;
 
-isGenerator (int fun: @function ref);
+is_generator (int fun: @function ref);
 hasRestParameter (int fun: @function ref);
 isAsync (int fun: @function ref);
 

javascript/ql/src/semmlecode.javascript.dbscheme.stats

@@ -11687,7 +11687,7 @@
 </dependencies>
 </relation>
 <relation>
-<name>isGenerator</name>
+<name>is_generator</name>
 <cardinality>62</cardinality>
 <columnsizes>
 <e>

javascript/upgrades/c73fbfca57f3d593b9ff50c6aa3a886d6888efec/upgrade.properties

@@ -86,3 +86,5 @@ unicode_property_escapename.rel: reorder unicodePropertyEscapeName.rel(int id, s
 unicodePropertyEscapeName.rel: delete
 unicode_property_escapevalue.rel: reorder unicodePropertyEscapeValue.rel(int id, string value) id value
 unicodePropertyEscapeValue.rel: delete
+is_generator.rel: reorder isGenerator.rel(int fun) fun
+isGenerator.rel: delete