idx int64 0 41.2k | question stringlengths 74 4.21k | target stringlengths 5 888 |
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34,300 | void expectCanCast ( Node n , JSType targetType , JSType sourceType ) { if ( ! sourceType . canCastTo ( targetType ) ) { registerMismatch ( sourceType , targetType , report ( JSError . make ( n , INVALID_CAST , sourceType . toString ( ) , targetType . toString ( ) ) ) ) ; } else if ( ! sourceType . isSubtypeWithoutStru... | Expect that the first type can be cast to the second type . The first type must have some relationship with the second . |
34,301 | TypedVar expectUndeclaredVariable ( String sourceName , CompilerInput input , Node n , Node parent , TypedVar var , String variableName , JSType newType ) { TypedVar newVar = var ; JSType varType = var . getType ( ) ; if ( varType != null && varType != typeRegistry . getNativeType ( UNKNOWN_TYPE ) && newType != null &&... | Expect that the given variable has not been declared with a type . |
34,302 | void expectAllInterfaceProperties ( Node n , FunctionType type ) { ObjectType instance = type . getInstanceType ( ) ; for ( ObjectType implemented : type . getAllImplementedInterfaces ( ) ) { if ( implemented . getImplicitPrototype ( ) != null ) { for ( String prop : implemented . getImplicitPrototype ( ) . getOwnPrope... | Expect that all properties on interfaces that this type implements are implemented and correctly typed . |
34,303 | private void expectInterfaceProperty ( Node n , ObjectType instance , ObjectType implementedInterface , String prop ) { StaticTypedSlot propSlot = instance . getSlot ( prop ) ; if ( propSlot == null ) { String sourceName = n . getSourceFileName ( ) ; sourceName = nullToEmpty ( sourceName ) ; registerMismatch ( instance... | Expect that the property in an interface that this type implements is implemented and correctly typed . |
34,304 | void expectAbstractMethodsImplemented ( Node n , FunctionType ctorType ) { checkArgument ( ctorType . isConstructor ( ) ) ; Map < String , ObjectType > abstractMethodSuperTypeMap = new LinkedHashMap < > ( ) ; FunctionType currSuperCtor = ctorType . getSuperClassConstructor ( ) ; if ( currSuperCtor == null || ! currSupe... | For a concrete class expect that all abstract methods that haven t been implemented by any of the super classes on the inheritance chain are implemented . |
34,305 | private void registerMismatchAndReport ( Node n , DiagnosticType diagnostic , String msg , JSType found , JSType required , Set < String > missing , Set < String > mismatch ) { String foundRequiredFormatted = formatFoundRequired ( msg , found , required , missing , mismatch ) ; JSError err = JSError . make ( n , diagno... | Used both for TYPE_MISMATCH_WARNING and INVALID_OPERAND_TYPE . |
34,306 | private void registerMismatch ( JSType found , JSType required , JSError error ) { TypeMismatch . registerMismatch ( this . mismatches , this . implicitInterfaceUses , found , required , error ) ; } | Registers a type mismatch into the universe of mismatches owned by this pass . |
34,307 | private void tryEliminateOptionalArgs ( ArrayList < Node > refs ) { int maxArgs = - 1 ; for ( Node n : refs ) { if ( ReferenceMap . isCallOrNewTarget ( n ) ) { int numArgs = 0 ; Node firstArg = ReferenceMap . getFirstArgumentForCallOrNewOrDotCall ( n ) ; for ( Node c = firstArg ; c != null ; c = c . getNext ( ) ) { num... | Removes any optional parameters if no callers specifies it as an argument . |
34,308 | private void tryEliminateConstantArgs ( ArrayList < Node > refs ) { List < Parameter > parameters = findFixedArguments ( refs ) ; if ( parameters == null ) { return ; } ImmutableListMultimap < Node , Node > fns = ReferenceMap . getFunctionNodes ( refs ) ; if ( fns . size ( ) > 1 ) { return ; } Node fn = Iterables . get... | Eliminate parameters if they are always constant . |
34,309 | private boolean findFixedParameters ( List < Parameter > parameters , Node cur ) { boolean anyMovable = false ; int index = 0 ; while ( cur != null ) { Parameter p ; if ( index >= parameters . size ( ) ) { p = new Parameter ( cur , false ) ; parameters . add ( p ) ; setParameterSideEffectInfo ( p , cur ) ; } else { p =... | Determine which parameters use the same expression . |
34,310 | private void eliminateParamsAfter ( Node fnNode , int argIndex ) { Node formalArgPtr = NodeUtil . getFunctionParameters ( fnNode ) . getFirstChild ( ) ; while ( argIndex != 0 && formalArgPtr != null ) { formalArgPtr = formalArgPtr . getNext ( ) ; argIndex -- ; } eliminateParamsAfter ( fnNode , formalArgPtr ) ; } | Removes all formal parameters starting at argIndex . |
34,311 | private void eliminateCallTargetArgAt ( Node ref , int argIndex ) { Node callArgNode = ReferenceMap . getArgumentForCallOrNewOrDotCall ( ref , argIndex ) ; if ( callArgNode != null ) { NodeUtil . deleteNode ( callArgNode , compiler ) ; } } | Eliminates the parameter from a function call . |
34,312 | private boolean maybeUseNativeClassTemplateNames ( JSDocInfo info ) { ImmutableList < TemplateType > nativeKeys = typeRegistry . maybeGetTemplateTypesOfBuiltin ( fnName ) ; if ( nativeKeys != null && info . getTemplateTypeNames ( ) . size ( ) == nativeKeys . size ( ) ) { this . templateTypeNames = nativeKeys ; return t... | Clobber the templateTypeNames from the JSDoc with builtin ones for native types . |
34,313 | FunctionTypeBuilder inferParameterTypes ( JSDocInfo info ) { Node lp = IR . paramList ( ) ; for ( String name : info . getParameterNames ( ) ) { lp . addChildToBack ( IR . name ( name ) ) ; } return inferParameterTypes ( lp , info ) ; } | Infer the parameter types from the doc info alone . |
34,314 | FunctionTypeBuilder inferConstructorParameters ( FunctionType superCtor ) { inferImplicitConstructorParameters ( superCtor . getParametersNode ( ) . cloneTree ( ) ) ; setConstructorTemplateTypeNames ( superCtor . getConstructorOnlyTemplateParameters ( ) , null ) ; return this ; } | Infer constructor parameters from the superclass constructor . |
34,315 | private boolean addParameter ( FunctionParamBuilder builder , JSType paramType , boolean warnedAboutArgList , boolean isOptional , boolean isVarArgs ) { boolean emittedWarning = false ; if ( isOptional ) { if ( ! builder . addOptionalParams ( paramType ) && ! warnedAboutArgList ) { reportWarning ( VAR_ARGS_MUST_BE_LAST... | Add a parameter to the param list . |
34,316 | private void provideDefaultReturnType ( ) { if ( contents . getSourceNode ( ) != null && contents . getSourceNode ( ) . isAsyncGeneratorFunction ( ) ) { ObjectType generatorType = typeRegistry . getNativeObjectType ( ASYNC_GENERATOR_TYPE ) ; returnType = typeRegistry . createTemplatizedType ( generatorType , typeRegist... | Sets the returnType for this function using very basic type inference . |
34,317 | FunctionType buildAndRegister ( ) { if ( returnType == null ) { provideDefaultReturnType ( ) ; checkNotNull ( returnType ) ; } if ( parametersNode == null ) { throw new IllegalStateException ( "All Function types must have params and a return type" ) ; } FunctionType fnType ; if ( isConstructor ) { fnType = getOrCreate... | Builds the function type and puts it in the registry . |
34,318 | static boolean isFunctionTypeDeclaration ( JSDocInfo info ) { return info . getParameterCount ( ) > 0 || info . hasReturnType ( ) || info . hasThisType ( ) || info . isConstructor ( ) || info . isInterface ( ) || info . isAbstract ( ) ; } | Determines whether the given JsDoc info declares a function type . |
34,319 | private TypedScope getScopeDeclaredIn ( ) { if ( declarationScope != null ) { return declarationScope ; } int dotIndex = fnName . indexOf ( '.' ) ; if ( dotIndex != - 1 ) { String rootVarName = fnName . substring ( 0 , dotIndex ) ; TypedVar rootVar = enclosingScope . getVar ( rootVarName ) ; if ( rootVar != null ) { re... | The scope that we should declare this function in if it needs to be declared in a scope . Notice that TypedScopeCreator takes care of most scope - declaring . |
34,320 | private static boolean hasMoreTagsToResolve ( ObjectType objectType ) { checkArgument ( objectType . isUnknownType ( ) ) ; FunctionType ctor = objectType . getConstructor ( ) ; if ( ctor != null ) { for ( ObjectType interfaceType : ctor . getExtendedInterfaces ( ) ) { if ( ! interfaceType . isResolved ( ) ) { return tr... | Check whether a type is resolvable in the future If this has a supertype that hasn t been resolved yet then we can assume this type will be OK once the super type resolves . |
34,321 | private void checkForUnusedLocalVar ( Var v , Reference unusedAssignment ) { if ( ! v . isLocal ( ) ) { return ; } JSDocInfo jsDoc = NodeUtil . getBestJSDocInfo ( unusedAssignment . getNode ( ) ) ; if ( jsDoc != null && jsDoc . hasTypedefType ( ) ) { return ; } boolean inGoogScope = false ; Scope s = v . getScope ( ) ;... | that we can run it after goog . scope processing and get rid of the inGoogScope check . |
34,322 | private void instrumentBranchCoverage ( NodeTraversal traversal , FileInstrumentationData data ) { int maxLine = data . maxBranchPresentLine ( ) ; int branchCoverageOffset = 0 ; for ( int lineIdx = 1 ; lineIdx <= maxLine ; ++ lineIdx ) { Integer numBranches = data . getNumBranches ( lineIdx ) ; if ( numBranches != null... | Add instrumentation code for branch coverage . For each block that correspond to a branch insert an assignment of the branch coverage data to the front of the block . |
34,323 | private Node newBranchInstrumentationNode ( NodeTraversal traversal , Node node , int idx ) { String arrayName = createArrayName ( traversal ) ; Node getElemNode = IR . getelem ( IR . name ( arrayName ) , IR . number ( idx ) ) ; Node exprNode = IR . exprResult ( IR . assign ( getElemNode , IR . trueNode ( ) ) ) ; Strin... | Create an assignment to the branch coverage data for the given index into the array . |
34,324 | private void processBranchInfo ( Node branchNode , FileInstrumentationData data , List < Node > blocks ) { int lineNumber = branchNode . getLineno ( ) ; data . setBranchPresent ( lineNumber ) ; int numBranches = 0 ; for ( Node child : blocks ) { data . putBranchNode ( lineNumber , numBranches + 1 , child ) ; numBranche... | Add branch instrumentation information for each block . |
34,325 | static ImmutableList < Require > getAllRequires ( Node nameDeclaration ) { Node rhs = nameDeclaration . getFirstChild ( ) . isDestructuringLhs ( ) ? nameDeclaration . getFirstChild ( ) . getSecondChild ( ) : nameDeclaration . getFirstFirstChild ( ) ; Binding . CreatedBy requireKind = getModuleDependencyTypeFromRhs ( rh... | Returns all Require built from the given statement or null if it is not a require |
34,326 | public void setWarningLevel ( CompilerOptions options , String name , CheckLevel level ) { DiagnosticGroup group = forName ( name ) ; Preconditions . checkNotNull ( group , "No warning class for name: %s" , name ) ; options . setWarningLevel ( group , level ) ; } | Adds warning levels by name . |
34,327 | public void process ( Node externs , Node root ) { checkState ( topLevelStatements . isEmpty ( ) , "process() called more than once" ) ; NodeTraversal t = new NodeTraversal ( compiler , this , scopeCreator ) ; t . traverseRoots ( externs , root ) ; } | Convenience method for running this pass over a tree with this class as a callback . |
34,328 | public static TernaryValue isStrWhiteSpaceChar ( int c ) { switch ( c ) { case '\u000B' : return TernaryValue . UNKNOWN ; case ' ' : case '\n' : case '\r' : case '\t' : case '\u00A0' : case '\u000C' : case '\u2028' : case '\u2029' : case '\uFEFF' : return TernaryValue . TRUE ; default : return ( Character . getType ( c... | Copied from Rhino s ScriptRuntime |
34,329 | boolean isRemovableAssign ( Node n ) { return ( NodeUtil . isAssignmentOp ( n ) && n . getFirstChild ( ) . isName ( ) ) || n . isInc ( ) || n . isDec ( ) ; } | will already remove variables that are initialized but unused . |
34,330 | private void tryRemoveDeadAssignments ( NodeTraversal t , ControlFlowGraph < Node > cfg , Map < String , Var > allVarsInFn ) { Iterable < DiGraphNode < Node , Branch > > nodes = cfg . getDirectedGraphNodes ( ) ; for ( DiGraphNode < Node , Branch > cfgNode : nodes ) { FlowState < LiveVariableLattice > state = cfgNode . ... | Try to remove useless assignments from a control flow graph that has been annotated with liveness information . |
34,331 | private boolean isVariableStillLiveWithinExpression ( Node n , Node exprRoot , String variable ) { while ( n != exprRoot ) { VariableLiveness state = VariableLiveness . MAYBE_LIVE ; switch ( n . getParent ( ) . getToken ( ) ) { case OR : case AND : if ( n . getNext ( ) != null ) { state = isVariableReadBeforeKill ( n .... | Given a variable node n in the tree and a sub - tree denoted by exprRoot as the root this function returns true if there exists a read of that variable before a write to that variable that is on the right side of n . |
34,332 | private VariableLiveness isVariableReadBeforeKill ( Node n , String variable ) { if ( ControlFlowGraph . isEnteringNewCfgNode ( n ) ) { return VariableLiveness . MAYBE_LIVE ; } if ( n . isName ( ) && variable . equals ( n . getString ( ) ) ) { if ( NodeUtil . isNameDeclOrSimpleAssignLhs ( n , n . getParent ( ) ) ) { ch... | Give an expression and a variable . It returns READ if the first reference of that variable is a read . It returns KILL if the first reference of that variable is an assignment . It returns MAY_LIVE otherwise . |
34,333 | public final String getNormalizedReferenceName ( ) { String name = getReferenceName ( ) ; if ( name != null ) { int start = name . indexOf ( '(' ) ; if ( start != - 1 ) { int end = name . lastIndexOf ( ')' ) ; String prefix = name . substring ( 0 , start ) ; return end + 1 % name . length ( ) == 0 ? prefix : prefix + n... | Due to the complexity of some of our internal type systems sometimes we have different types constructed by the same constructor . In other parts of the type system these are called delegates . We construct these types by appending suffixes to the constructor name . |
34,334 | public final boolean defineDeclaredProperty ( String propertyName , JSType type , Node propertyNode ) { boolean result = defineProperty ( propertyName , type , false , propertyNode ) ; registry . registerPropertyOnType ( propertyName , this ) ; return result ; } | Defines a property whose type is explicitly declared by the programmer . |
34,335 | public final boolean defineSynthesizedProperty ( String propertyName , JSType type , Node propertyNode ) { return defineProperty ( propertyName , type , false , propertyNode ) ; } | Defines a property whose type is on a synthesized object . These objects don t actually exist in the user s program . They re just used for bookkeeping in the type system . |
34,336 | public final boolean defineInferredProperty ( String propertyName , JSType type , Node propertyNode ) { if ( hasProperty ( propertyName ) ) { if ( isPropertyTypeDeclared ( propertyName ) ) { return true ; } JSType originalType = getPropertyType ( propertyName ) ; type = originalType == null ? type : originalType . getL... | Defines a property whose type is inferred . |
34,337 | public final JSDocInfo getOwnPropertyJSDocInfo ( String propertyName ) { Property p = getOwnSlot ( propertyName ) ; return p == null ? null : p . getJSDocInfo ( ) ; } | Gets the docInfo on the specified property on this type . This should not be implemented recursively as you generally need to know exactly on which type in the prototype chain the JSDocInfo exists . |
34,338 | public JSType getPropertyType ( String propertyName ) { StaticTypedSlot slot = getSlot ( propertyName ) ; if ( slot == null ) { if ( isNoResolvedType ( ) || isCheckedUnknownType ( ) ) { return getNativeType ( JSTypeNative . CHECKED_UNKNOWN_TYPE ) ; } else if ( isEmptyType ( ) ) { return getNativeType ( JSTypeNative . N... | Gets the property type of the property whose name is given . If the underlying object does not have this property the Unknown type is returned to indicate that no information is available on this property . |
34,339 | public final HasPropertyKind getOwnPropertyKind ( String propertyName ) { return getOwnSlot ( propertyName ) != null ? HasPropertyKind . KNOWN_PRESENT : HasPropertyKind . ABSENT ; } | Checks whether the property whose name is given is present directly on the object . Returns false even if it is declared on a supertype . |
34,340 | public final boolean isPropertyTypeDeclared ( String propertyName ) { StaticTypedSlot slot = getSlot ( propertyName ) ; return slot == null ? false : ! slot . isTypeInferred ( ) ; } | Checks whether the property s type is declared . |
34,341 | public final boolean isPropertyInExterns ( String propertyName ) { Property p = getSlot ( propertyName ) ; return p == null ? false : p . isFromExterns ( ) ; } | Checks whether the property was defined in the externs . |
34,342 | public final Set < String > getPropertyNames ( ) { Set < String > props = new TreeSet < > ( ) ; collectPropertyNames ( props ) ; return props ; } | Returns a list of properties defined or inferred on this type and any of its supertypes . |
34,343 | @ SuppressWarnings ( "ReferenceEquality" ) final boolean isImplicitPrototype ( ObjectType prototype ) { for ( ObjectType current = this ; current != null ; current = current . getImplicitPrototype ( ) ) { if ( current . isTemplatizedType ( ) ) { current = current . toMaybeTemplatizedType ( ) . getReferencedType ( ) ; }... | Checks that the prototype is an implicit prototype of this object . Since each object has an implicit prototype an implicit prototype s implicit prototype is also this implicit prototype s . |
34,344 | public boolean isUnknownType ( ) { if ( unknown ) { ObjectType implicitProto = getImplicitPrototype ( ) ; if ( implicitProto == null || implicitProto . isNativeObjectType ( ) ) { unknown = false ; for ( ObjectType interfaceType : getCtorExtendedInterfaces ( ) ) { if ( interfaceType . isUnknownType ( ) ) { unknown = tru... | We treat this as the unknown type if any of its implicit prototype properties is unknown . |
34,345 | public Map < String , JSType > getPropertyTypeMap ( ) { ImmutableMap . Builder < String , JSType > propTypeMap = ImmutableMap . builder ( ) ; for ( String name : this . getPropertyNames ( ) ) { propTypeMap . put ( name , this . getPropertyType ( name ) ) ; } return propTypeMap . build ( ) ; } | get the map of properties to types covered in an object type |
34,346 | private void reportMissingConst ( NodeTraversal t ) { for ( Node n : candidates ) { String propName = n . getLastChild ( ) . getString ( ) ; if ( ! modified . contains ( propName ) ) { t . report ( n , MISSING_CONST_PROPERTY , propName ) ; } } candidates . clear ( ) ; modified . clear ( ) ; } | Reports the property definitions that should use the |
34,347 | public void addAfter ( CompilerInput input , CompilerInput other ) { checkState ( inputs . contains ( other ) ) ; inputs . add ( inputs . indexOf ( other ) , input ) ; input . setModule ( this ) ; } | Adds a source code input to this module directly after other . |
34,348 | public void addDependency ( JSModule dep ) { checkNotNull ( dep ) ; Preconditions . checkState ( dep != this , "Cannot add dependency on self" , this ) ; deps . add ( dep ) ; } | Adds a dependency on another module . |
34,349 | List < String > getSortedDependencyNames ( ) { List < String > names = new ArrayList < > ( ) ; for ( JSModule module : getDependencies ( ) ) { names . add ( module . getName ( ) ) ; } Collections . sort ( names ) ; return names ; } | Gets the names of the modules that this module depends on sorted alphabetically . |
34,350 | public Set < JSModule > getAllDependencies ( ) { Set < JSModule > allDeps = Sets . newIdentityHashSet ( ) ; allDeps . addAll ( deps ) ; ArrayDeque < JSModule > stack = new ArrayDeque < > ( deps ) ; while ( ! stack . isEmpty ( ) ) { JSModule module = stack . pop ( ) ; List < JSModule > moduleDeps = module . deps ; for (... | Returns the transitive closure of dependencies starting from the dependencies of this module . |
34,351 | public Set < JSModule > getThisAndAllDependencies ( ) { Set < JSModule > deps = getAllDependencies ( ) ; deps . add ( this ) ; return deps ; } | Returns this module and all of its dependencies in one list . |
34,352 | public CompilerInput getByName ( String name ) { for ( CompilerInput input : inputs ) { if ( name . equals ( input . getName ( ) ) ) { return input ; } } return null ; } | Returns the input with the given name or null if none . |
34,353 | public boolean removeByName ( String name ) { boolean found = false ; Iterator < CompilerInput > iter = inputs . iterator ( ) ; while ( iter . hasNext ( ) ) { CompilerInput file = iter . next ( ) ; if ( name . equals ( file . getName ( ) ) ) { iter . remove ( ) ; file . setModule ( null ) ; found = true ; } } return fo... | Removes any input with the given name . Returns whether any were removed . |
34,354 | public void sortInputsByDeps ( AbstractCompiler compiler ) { for ( CompilerInput input : inputs ) { input . setCompiler ( compiler ) ; } List < CompilerInput > sortedList = new Es6SortedDependencies < > ( inputs ) . getSortedList ( ) ; inputs . clear ( ) ; inputs . addAll ( sortedList ) ; } | Puts the JS files into a topologically sorted order by their dependencies . |
34,355 | private void tryReplaceArguments ( Scope scope ) { Node parametersList = NodeUtil . getFunctionParameters ( scope . getRootNode ( ) ) ; checkState ( parametersList . isParamList ( ) , parametersList ) ; int numParameters = parametersList . getChildCount ( ) ; int highestIndex = getHighestIndex ( numParameters - 1 ) ; i... | Tries to optimize all the arguments array access in this scope by assigning a name to each element . |
34,356 | private int getHighestIndex ( int highestIndex ) { for ( Node ref : currentArgumentsAccesses ) { Node getElem = ref . getParent ( ) ; if ( ! getElem . isGetElem ( ) || ref != getElem . getFirstChild ( ) ) { return - 1 ; } Node index = ref . getNext ( ) ; if ( ! index . isNumber ( ) || index . getDouble ( ) < 0 ) { retu... | Iterate through all the references to arguments array in the function to determine the real highestIndex . Returns - 1 when we should not be replacing any arguments for this scope - we should exit tryReplaceArguments |
34,357 | private void changeMethodSignature ( ImmutableSortedMap < Integer , String > argNames , Node paramList ) { ImmutableSortedMap < Integer , String > newParams = argNames . tailMap ( paramList . getChildCount ( ) ) ; for ( String name : newParams . values ( ) ) { paramList . addChildToBack ( IR . name ( name ) . useSource... | Inserts new formal parameters into the method s signature based on the given set of names . |
34,358 | private boolean skipWhitespace ( ) { boolean foundLineTerminator = false ; while ( ! isAtEnd ( ) && peekWhitespace ( ) ) { if ( isLineTerminator ( nextChar ( ) ) ) { foundLineTerminator = true ; } } return foundLineTerminator ; } | Returns true if the whitespace that was skipped included any line terminators . |
34,359 | private static String processUnicodeEscapes ( String value ) { while ( value . contains ( "\\" ) ) { int escapeStart = value . indexOf ( '\\' ) ; try { if ( value . charAt ( escapeStart + 1 ) != 'u' ) { return null ; } String hexDigits ; int escapeEnd ; if ( value . charAt ( escapeStart + 2 ) != '{' ) { escapeEnd = esc... | Converts unicode escapes in the given string to the equivalent unicode character . If there are no escapes returns the input unchanged . If there is an invalid escape sequence returns null . |
34,360 | public static String caseCanonicalize ( String s ) { for ( int i = 0 , n = s . length ( ) ; i < n ; ++ i ) { char ch = s . charAt ( i ) ; char cu = caseCanonicalize ( ch ) ; if ( cu != ch ) { StringBuilder sb = new StringBuilder ( s ) ; sb . setCharAt ( i , cu ) ; while ( ++ i < n ) { sb . setCharAt ( i , caseCanonical... | Returns the case canonical version of the given string . |
34,361 | public static char caseCanonicalize ( char ch ) { if ( ch < 0x80 ) { return ( 'A' <= ch && ch <= 'Z' ) ? ( char ) ( ch | 32 ) : ch ; } if ( CASE_SENSITIVE . contains ( ch ) ) { for ( DeltaSet ds : CANON_DELTA_SETS ) { if ( ds . codeUnits . contains ( ch ) ) { return ( char ) ( ch - ds . delta ) ; } } } return ch ; } | Returns the case canonical version of the given code - unit . ECMAScript 5 explicitly says that code - units are to be treated as their code - point equivalent even surrogates . |
34,362 | public void process ( Node externsRoot , Node jsRoot ) { checkNotNull ( scopeCreator ) ; checkNotNull ( topScope ) ; Node externsAndJs = jsRoot . getParent ( ) ; checkState ( externsAndJs != null ) ; checkState ( externsRoot == null || externsAndJs . hasChild ( externsRoot ) ) ; if ( externsRoot != null ) { check ( ext... | Main entry point for this phase of processing . This follows the pattern for JSCompiler phases . |
34,363 | private void doPercentTypedAccounting ( Node n ) { JSType type = n . getJSType ( ) ; if ( type == null ) { nullCount ++ ; } else if ( type . isUnknownType ( ) ) { if ( reportUnknownTypes ) { compiler . report ( JSError . make ( n , UNKNOWN_EXPR_TYPE ) ) ; } unknownCount ++ ; } else { typedCount ++ ; } } | Counts the given node in the typed statistics . |
34,364 | private void checkCanAssignToWithScope ( NodeTraversal t , Node nodeToWarn , Node lvalue , JSType rightType , JSDocInfo info , String msg ) { if ( lvalue . isDestructuringPattern ( ) ) { checkDestructuringAssignment ( t , nodeToWarn , lvalue , rightType , msg ) ; } else { checkCanAssignToNameGetpropOrGetelem ( t , node... | Checks that we can assign the given right type to the given lvalue or destructuring pattern . |
34,365 | private void checkCanAssignToNameGetpropOrGetelem ( NodeTraversal t , Node nodeToWarn , Node lvalue , JSType rightType , JSDocInfo info , String msg ) { checkArgument ( lvalue . isName ( ) || lvalue . isGetProp ( ) || lvalue . isGetElem ( ) || lvalue . isCast ( ) , lvalue ) ; if ( lvalue . isGetProp ( ) ) { Node object... | Checks that we can assign the given right type to the given lvalue . |
34,366 | private void visitObjectPattern ( Node pattern ) { JSType patternType = getJSType ( pattern ) ; validator . expectObject ( pattern , patternType , "cannot destructure 'null' or 'undefined'" ) ; for ( Node child : pattern . children ( ) ) { DestructuredTarget target = DestructuredTarget . createTarget ( typeRegistry , p... | Validates all keys in an object pattern |
34,367 | private static boolean propertyIsImplicitCast ( ObjectType type , String prop ) { for ( ; type != null ; type = type . getImplicitPrototype ( ) ) { JSDocInfo docInfo = type . getOwnPropertyJSDocInfo ( prop ) ; if ( docInfo != null && docInfo . isImplicitCast ( ) ) { return true ; } } return false ; } | Returns true if any type in the chain has an implicitCast annotation for the given property . |
34,368 | private static boolean hasUnknownOrEmptySupertype ( FunctionType ctor ) { checkArgument ( ctor . isConstructor ( ) || ctor . isInterface ( ) ) ; checkArgument ( ! ctor . isUnknownType ( ) ) ; while ( true ) { ObjectType maybeSuperInstanceType = ctor . getPrototype ( ) . getImplicitPrototype ( ) ; if ( maybeSuperInstanc... | Given a constructor or an interface type find out whether the unknown type is a supertype of the current type . |
34,369 | private void visitInterfacePropertyAssignment ( Node object , Node lvalue ) { if ( ! lvalue . getParent ( ) . isAssign ( ) ) { reportInvalidInterfaceMemberDeclaration ( object ) ; return ; } Node assign = lvalue . getParent ( ) ; Node rvalue = assign . getSecondChild ( ) ; JSType rvalueType = getJSType ( rvalue ) ; if ... | Visits an lvalue node for cases such as |
34,370 | boolean visitName ( NodeTraversal t , Node n , Node parent ) { Token parentNodeType = parent . getToken ( ) ; if ( parentNodeType == Token . FUNCTION || parentNodeType == Token . CATCH || parentNodeType == Token . PARAM_LIST || NodeUtil . isNameDeclaration ( parent ) ) { return false ; } if ( NodeUtil . isEnhancedFor (... | Visits a NAME node . |
34,371 | private void checkForOfTypes ( NodeTraversal t , Node forOf ) { Node lhs = forOf . getFirstChild ( ) ; Node iterable = forOf . getSecondChild ( ) ; JSType iterableType = getJSType ( iterable ) ; JSType actualType ; if ( forOf . isForAwaitOf ( ) ) { Optional < JSType > maybeType = validator . expectAutoboxesToIterableOr... | Visits the loop variable of a FOR_OF and FOR_AWAIT_OF and verifies the type being assigned to it . |
34,372 | private void visitGetProp ( NodeTraversal t , Node n ) { Node property = n . getLastChild ( ) ; Node objNode = n . getFirstChild ( ) ; JSType childType = getJSType ( objNode ) ; if ( childType . isDict ( ) ) { report ( property , TypeValidator . ILLEGAL_PROPERTY_ACCESS , "'.'" , "dict" ) ; } else if ( validator . expec... | Visits a GETPROP node . |
34,373 | private void visitGetElem ( Node n ) { validator . expectIndexMatch ( n , getJSType ( n . getFirstChild ( ) ) , getJSType ( n . getLastChild ( ) ) ) ; ensureTyped ( n ) ; } | Visits a GETELEM node . |
34,374 | private void visitVar ( NodeTraversal t , Node n ) { if ( n . getParent ( ) . isForOf ( ) || n . getParent ( ) . isForIn ( ) ) { return ; } JSDocInfo varInfo = n . hasOneChild ( ) ? n . getJSDocInfo ( ) : null ; for ( Node child : n . children ( ) ) { if ( child . isName ( ) ) { Node value = child . getFirstChild ( ) ;... | Visits a VAR node . |
34,375 | private void visitNew ( Node n ) { Node constructor = n . getFirstChild ( ) ; JSType type = getJSType ( constructor ) . restrictByNotNullOrUndefined ( ) ; if ( ! couldBeAConstructor ( type ) || type . isEquivalentTo ( typeRegistry . getNativeType ( SYMBOL_OBJECT_FUNCTION_TYPE ) ) ) { report ( n , NOT_A_CONSTRUCTOR ) ; ... | Visits a NEW node . |
34,376 | private void checkInterfaceConflictProperties ( Node n , String functionName , Map < String , ObjectType > properties , Map < String , ObjectType > currentProperties , ObjectType interfaceType ) { ObjectType implicitProto = interfaceType . getImplicitPrototype ( ) ; Set < String > currentPropertyNames ; if ( implicitPr... | Check whether there s any property conflict for for a particular super interface |
34,377 | private void visitClass ( Node n ) { FunctionType functionType = JSType . toMaybeFunctionType ( n . getJSType ( ) ) ; Node extendsClause = n . getSecondChild ( ) ; if ( ! extendsClause . isEmpty ( ) ) { JSType superType = extendsClause . getJSType ( ) ; if ( superType . isConstructor ( ) || superType . isInterface ( ) ... | Visits a CLASS node . |
34,378 | private void checkConstructor ( Node n , FunctionType functionType ) { FunctionType baseConstructor = functionType . getSuperClassConstructor ( ) ; if ( ! Objects . equals ( baseConstructor , getNativeType ( OBJECT_FUNCTION_TYPE ) ) && baseConstructor != null && baseConstructor . isInterface ( ) ) { compiler . report (... | Checks a constructor which may be either an ES5 - style FUNCTION node or a CLASS node . |
34,379 | private void checkInterface ( Node n , FunctionType functionType ) { for ( ObjectType extInterface : functionType . getExtendedInterfaces ( ) ) { if ( extInterface . getConstructor ( ) != null && ! extInterface . getConstructor ( ) . isInterface ( ) ) { compiler . report ( JSError . make ( n , CONFLICTING_EXTENDED_TYPE... | Checks an interface which may be either an ES5 - style FUNCTION node or a CLASS node . |
34,380 | private void checkCallConventions ( NodeTraversal t , Node n ) { SubclassRelationship relationship = compiler . getCodingConvention ( ) . getClassesDefinedByCall ( n ) ; TypedScope scope = t . getTypedScope ( ) ; if ( relationship != null ) { ObjectType superClass = TypeValidator . getInstanceOfCtor ( scope . lookupQua... | Validate class - defining calls . Because JS has no native syntax for defining classes we need to do this manually . |
34,381 | private void visitCall ( NodeTraversal t , Node n ) { checkCallConventions ( t , n ) ; Node child = n . getFirstChild ( ) ; JSType childType = getJSType ( child ) . restrictByNotNullOrUndefined ( ) ; if ( ! childType . canBeCalled ( ) ) { report ( n , NOT_CALLABLE , childType . toString ( ) ) ; ensureTyped ( n ) ; retu... | Visits a CALL node . |
34,382 | private void visitArgumentList ( Node call , FunctionType functionType ) { Iterator < Node > parameters = functionType . getParameters ( ) . iterator ( ) ; Iterator < Node > arguments = NodeUtil . getInvocationArgsAsIterable ( call ) . iterator ( ) ; checkArgumentsMatchParameters ( call , functionType , arguments , par... | Visits the parameters of a CALL or a NEW node . |
34,383 | private void checkArgumentsMatchParameters ( Node call , FunctionType functionType , Iterator < Node > arguments , Iterator < Node > parameters , int firstParameterIndex ) { int spreadArgumentCount = 0 ; int normalArgumentCount = firstParameterIndex ; boolean checkArgumentTypeAgainstParameter = true ; Node parameter = ... | Checks that a list of arguments match a list of formal parameters |
34,384 | private void visitImplicitReturnExpression ( NodeTraversal t , Node exprNode ) { Node enclosingFunction = t . getEnclosingFunction ( ) ; JSType jsType = getJSType ( enclosingFunction ) ; if ( jsType . isFunctionType ( ) ) { FunctionType functionType = jsType . toMaybeFunctionType ( ) ; JSType expectedReturnType = funct... | Visits an arrow function expression body . |
34,385 | private void visitReturn ( NodeTraversal t , Node n ) { Node enclosingFunction = t . getEnclosingFunction ( ) ; if ( enclosingFunction . isGeneratorFunction ( ) && ! n . hasChildren ( ) ) { return ; } JSType jsType = getJSType ( enclosingFunction ) ; if ( jsType . isFunctionType ( ) ) { FunctionType functionType = jsTy... | Visits a RETURN node . |
34,386 | private void visitYield ( NodeTraversal t , Node n ) { JSType jsType = getJSType ( t . getEnclosingFunction ( ) ) ; JSType declaredYieldType = getNativeType ( UNKNOWN_TYPE ) ; if ( jsType . isFunctionType ( ) ) { FunctionType functionType = jsType . toMaybeFunctionType ( ) ; JSType returnType = functionType . getReturn... | Visits a YIELD node . |
34,387 | private void visitBinaryOperator ( Token op , Node n ) { Node left = n . getFirstChild ( ) ; JSType leftType = getJSType ( left ) ; Node right = n . getLastChild ( ) ; JSType rightType = getJSType ( right ) ; switch ( op ) { case ASSIGN_LSH : case ASSIGN_RSH : case LSH : case RSH : case ASSIGN_URSH : case URSH : String... | This function unifies the type checking involved in the core binary operators and the corresponding assignment operators . The representation used internally is such that common code can handle both kinds of operators easily . |
34,388 | private void checkEnumAlias ( NodeTraversal t , JSDocInfo declInfo , JSType valueType , Node nodeToWarn ) { if ( declInfo == null || ! declInfo . hasEnumParameterType ( ) ) { return ; } if ( ! valueType . isEnumType ( ) ) { return ; } EnumType valueEnumType = valueType . toMaybeEnumType ( ) ; JSType valueEnumPrimitiveT... | Checks enum aliases . |
34,389 | private void ensureTyped ( Node n , JSType type ) { checkState ( ! n . isFunction ( ) || type . isFunctionType ( ) || type . isUnknownType ( ) ) ; if ( n . getJSType ( ) == null ) { n . setJSType ( type ) ; } } | Ensures the node is typed . |
34,390 | private boolean isObjectTypeWithNonStringifiableKey ( JSType type ) { if ( ! type . isTemplatizedType ( ) ) { return false ; } TemplatizedType templatizedType = type . toMaybeTemplatizedType ( ) ; if ( templatizedType . getReferencedType ( ) . isNativeObjectType ( ) && templatizedType . getTemplateTypes ( ) . size ( ) ... | Checks whether current type is Object type with non - stringifable key . |
34,391 | public final void connectIfNotFound ( N n1 , E edge , N n2 ) { if ( ! isConnected ( n1 , edge , n2 ) ) { connect ( n1 , edge , n2 ) ; } } | Connects two nodes in the graph with an edge if such edge does not already exists between the nodes . |
34,392 | @ SuppressWarnings ( "unchecked" ) < T extends GraphNode < N , E > > T getNodeOrFail ( N val ) { T node = ( T ) getNode ( val ) ; if ( node == null ) { throw new IllegalArgumentException ( val + " does not exist in graph" ) ; } return node ; } | Gets the node of the specified type or throws an IllegalArgumentException . |
34,393 | private static void pushAnnotations ( Deque < GraphAnnotationState > stack , Collection < ? extends Annotatable > haveAnnotations ) { stack . push ( new GraphAnnotationState ( haveAnnotations . size ( ) ) ) ; for ( Annotatable h : haveAnnotations ) { stack . peek ( ) . add ( new AnnotationState ( h , h . getAnnotation ... | Pushes a new list on stack and stores nodes annotations in the new list . Clears objects annotations as well . |
34,394 | private static void popAnnotations ( Deque < GraphAnnotationState > stack ) { for ( AnnotationState as : stack . pop ( ) ) { as . first . setAnnotation ( as . second ) ; } } | Restores the node annotations on the top of stack and pops stack . |
34,395 | void regenerateGlobalTypedScope ( AbstractCompiler compiler , Node root ) { typedScopeCreator = new TypedScopeCreator ( compiler ) ; topScope = typedScopeCreator . createScope ( root , null ) ; } | Regenerates the top scope from scratch . |
34,396 | void patchGlobalTypedScope ( AbstractCompiler compiler , Node scriptRoot ) { checkNotNull ( typedScopeCreator ) ; typedScopeCreator . patchGlobalScope ( topScope , scriptRoot ) ; } | Regenerates the top scope potentially only for a sub - tree of AST and then copies information for the old global scope . |
34,397 | GraphvizGraph getPassGraph ( ) { LinkedDirectedGraph < String , String > graph = LinkedDirectedGraph . createWithoutAnnotations ( ) ; Iterable < PassFactory > allPasses = Iterables . concat ( getChecks ( ) , getOptimizations ( ) ) ; String lastPass = null ; String loopStart = null ; for ( PassFactory pass : allPasses )... | Gets a graph of the passes run . For debugging . |
34,398 | final TypeInferencePass makeTypeInference ( AbstractCompiler compiler ) { return new TypeInferencePass ( compiler , compiler . getReverseAbstractInterpreter ( ) , topScope , typedScopeCreator ) ; } | Create a type inference pass . |
34,399 | final TypeCheck makeTypeCheck ( AbstractCompiler compiler ) { return new TypeCheck ( compiler , compiler . getReverseAbstractInterpreter ( ) , compiler . getTypeRegistry ( ) , topScope , typedScopeCreator ) . reportUnknownTypes ( options . enables ( DiagnosticGroup . forType ( TypeCheck . UNKNOWN_EXPR_TYPE ) ) ) . repo... | Create a type - checking pass . |
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