CodeQL library for C#
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Class Constructor

A constructor, for example public C() { } on line 2 in

class C {
  public C() { }
}

Import path

import csharp

Direct supertypes

Indirect supertypes

Known direct subtypes

Predicates

fromSource

Holds if this element is from source code.

getALocation

Gets a location of this element, including sources and assemblies.

getDeclaringType

Gets the type containing this declaration, if any.

getInitializer

Gets the initializer of this constructor, if any. For example, the initializer of the constructor on line 2 is this(null) on line 3 in

getName

Gets the name of this element.

getRawParameter

Gets raw parameter i, including the this parameter at index 0.

getReturnType

Gets the return type of this callable.

getUnboundDeclaration

Gets the unbound version of this declaration, that is, the declaration where all type arguments have been removed. For example, in

getUndecoratedName

Gets the name of this declaration, without additional decoration such as <...>.

hasInitializer

Holds if this constructor has an initializer.

toString

Gets a textual representation of this element.

Inherited predicates

calls

Holds if callee is potentially called from this callable. That is, callee is a potential run-time target of a call in the body of this callable.

from Callable
canReturn

Holds if this callable can return expression e.

from Callable
canYieldReturn

Holds if this callable can yield return the expression e.

from Callable
compiledFromSource

Holds if this element was compiled from source code that is also present in the database. That is, this element corresponds to another element from source.

from NamedElement
compiledFromSource

Holds if this element was compiled from source code that is also present in the database. That is, this element corresponds to another element from source.

from NamedElement
compiledFromSource

Holds if this element was compiled from source code that is also present in the database. That is, this element corresponds to another element from source.

from NamedElement
fromLibrary

Holds if this element is from an assembly.

from Element
fromLibrary

Holds if this element is from an assembly.

from Element
fromLibrary

Holds if this element is from an assembly.

from Element
getABody

DEPRECATED: Use getBody() instead.

from Callable
getACall

Gets a Call that has this callable as a target.

from Callable
getAChild

Gets a child of this element, if any.

from Element
getAChild

Gets a child of this element, if any.

from Element
getAChildExpr

Gets a child expression of this element, if any.

from ExprOrStmtParent
getAChildStmt

Gets a child statement of this element, if any.

from ExprOrStmtParent
getAModifier

Gets a modifier of this declaration.

from Modifiable
getAParameter

Gets a parameter, if any.

from Callable
getAPrimaryQlClass

Gets the name of a primary CodeQL class to which this element belongs.

from Element
getAPrimaryQlClass

Gets the name of a primary CodeQL class to which this element belongs.

from Element
getAPrimaryQlClass

Gets the name of a primary CodeQL class to which this element belongs.

from Element
getARawParameter

Gets a raw parameter (including the qualifier), if any.

from Parameterizable
getARawParameter

Gets a raw parameter (including the qualifier), if any.

from Parameterizable
getAStatementBody

DEPRECATED: Use getStatementBody instead.

from Callable
getAnAccess

Gets an access to this member.

from Member
getAnAttribute

Gets an attribute attached to this element, if any.

from Attributable
getAnExpressionBody

DEPRECATED: Use getExpressionBody() instead.

from Callable
getAnnotatedReturnType

Gets the annotated return type of this callable.

from Callable
getBody

Gets the body of this callable, if any.

from Callable
getChild

Gets the ith child of this element (zero-based).

from ExprOrStmtParent
getChildExpr

Gets the ith child expression of this element (zero-based).

from ExprOrStmtParent
getChildStmt

Gets the ith child statement of this element (zero-based).

from ExprOrStmtParent
getCyclomaticComplexity

Gets the number of branching statements (if, while, do, for, foreach switch, case, catch) plus the number of branching expressions (?, &&, ||, ??) plus one. Callables with a high cyclomatic complexity (> 10) are hard to test and maintain, given their large number of possible execution paths. They should be refactored.

from Callable
getEnclosingCallable

Gets the enclosing callable of this callable, if any.

from Callable
getEntryPoint

Gets the entry point in the control graph for this callable.

from Callable
getExitPoint

Gets the exit point in the control graph for this callable.

from Callable
getExpressionBody

Gets the expression body of this callable (if any), specified by =>.

from Callable
getFile

Gets the file containing this element.

from Element
getFile

Gets the file containing this element.

from Element
getFile

Gets the file containing this element.

from Element
getIndex

Gets the index of this element among its parent’s other children (zero-based).

from Element
getIndex

Gets the index of this element among its parent’s other children (zero-based).

from Element
getLabel

Gets a unique string label for this element.

from Callable
getLabel

Gets a unique string label for this element.

from Callable
getLanguage

Gets the “language” of this program element, as defined by the extension of the filename. For example, C# has language “cs”, and Visual Basic has language “vb”.

from Element
getLanguage

Gets the “language” of this program element, as defined by the extension of the filename. For example, C# has language “cs”, and Visual Basic has language “vb”.

from Element
getLanguage

Gets the “language” of this program element, as defined by the extension of the filename. For example, C# has language “cs”, and Visual Basic has language “vb”.

from Element
getLocation

Gets the location of this element. Where an element has locations in source and assemblies, choose the source location. If there are multiple assembly locations, choose only one.

from Element
getLocation

Gets the location of this element. Where an element has locations in source and assemblies, choose the source location. If there are multiple assembly locations, choose only one.

from Element
getNumberOfChildren

Gets the number of children of this element.

from Element
getNumberOfChildren

Gets the number of children of this element.

from Element
getNumberOfLines

Gets the total number of lines in this callable.

from Callable
getNumberOfLinesOfCode

Gets the number of lines containing code in this callable.

from Callable
getNumberOfLinesOfComments

Gets the number of lines containing comments in this callable.

from Callable
getNumberOfParameters

Gets the number of parameters of this callable.

from Callable
getParameter

Gets the ith parameter, excluding the this parameter.

from Callable
getParent

Gets the parent of this element, if any.

from Element
getParent

Gets the parent of this element, if any.

from Element
getPrimaryQlClasses

Gets a comma-separated list of the names of the primary CodeQL classes to which this element belongs.

from Element
getPrimaryQlClasses

Gets a comma-separated list of the names of the primary CodeQL classes to which this element belongs.

from Element
getPrimaryQlClasses

Gets a comma-separated list of the names of the primary CodeQL classes to which this element belongs.

from Element
getQualifiedName

Gets the fully qualified name of this element, for example the fully qualified name of M on line 3 is N.C.M in

from NamedElement
getQualifiedName

Gets the fully qualified name of this element, for example the fully qualified name of M on line 3 is N.C.M in

from NamedElement
getQualifiedName

Gets the fully qualified name of this element, for example the fully qualified name of M on line 3 is N.C.M in

from NamedElement
getQualifiedNameWithTypes

Gets the fully qualified name of this declaration, including types, for example the fully qualified name with types of M on line 3 is N.C.M(int, string) in

from Declaration
getQualifiedNameWithTypes

Gets the fully qualified name of this declaration, including types, for example the fully qualified name with types of M on line 3 is N.C.M(int, string) in

from Declaration
getSourceDeclaration

DEPRECATED: Use getUnboundDeclaration() instaed.

from Declaration
getSourceDeclaration

DEPRECATED: Use getUnboundDeclaration() instaed.

from Declaration
getSourceDeclaration

DEPRECATED: Use getUnboundDeclaration() instaed.

from Declaration
getStatementBody

Gets the statement body of this callable, if any.

from Callable
hasBody

Holds if this callable has a body or an implementation.

from Callable
hasExpressionBody

Holds if this callable has an expression body.

from Callable
hasLocationInfo

Holds if this element is at the specified location. The location spans column startcolumn of line startline to column endcolumn of line endline in file filepath. For more information, see Locations.

from Attributable
hasModifier

Holds if this declaration has name as a modifier.

from Modifiable
hasName

Holds if this element has name ‘name’.

from NamedElement
hasName

Holds if this element has name ‘name’.

from NamedElement
hasName

Holds if this element has name ‘name’.

from NamedElement
hasNoParameters

Holds if this declaration has no parameters.

from Parameterizable
hasNoParameters

Holds if this declaration has no parameters.

from Parameterizable
hasNonEmptyBody

Holds if this callable has a non-empty body. That is, either it has an expression body, or it has a non-empty statement body.

from Callable
hasQualifiedName

Holds if this element has the qualified name qualifier.name.

from Declaration
hasQualifiedName

Holds if this element has qualified name qualifiedName, for example System.Console.WriteLine.

from NamedElement
hasQualifiedName

Holds if this element has the qualified name qualifier.name.

from Declaration
hasQualifiedName

Holds if this element has qualified name qualifiedName, for example System.Console.WriteLine.

from NamedElement
hasQualifiedName

Holds if this element has the qualified name qualifier.name.

from Declaration
hasQualifiedName

Holds if this element has qualified name qualifiedName, for example System.Console.WriteLine.

from NamedElement
hasStatementBody

Holds if this callable has a statement body.

from Callable
hasUndecoratedName

Holds if this element has undecorated name ‘name’.

from Declaration
hasUndecoratedName

Holds if this element has undecorated name ‘name’.

from Declaration
hasUndecoratedName

Holds if this element has undecorated name ‘name’.

from Declaration
isAbstractfrom Member
isAsync

Holds if this declaration is async.

from Modifiable
isCompilerGenerated

Holds if this declaration has been generated by the compiler, for example implicit constructors or accessors.

from Declaration
isCompilerGenerated

Holds if this declaration has been generated by the compiler, for example implicit constructors or accessors.

from Declaration
isConst

Holds if this declaration is const.

from Modifiable
isEffectivelyInternal

Holds if this declaration is effectively internal. A declaration is considered effectively internal if it can only be referenced from the declaring assembly.

from Modifiable
isEffectivelyPrivate

Holds if this declaration is effectively private. A declaration is considered effectively private if it can only be referenced from - the declaring and its nested types, similarly to private declarations, and - the enclosing types.

from Modifiable
isEffectivelyPublic

Holds if this declaration is effectively public, meaning that it can be referenced outside the declaring assembly.

from Modifiable
isExtern

Holds if this declaration is extern.

from Modifiable
isInternalfrom Member
isNew

Holds if this declaration has the modifier new.

from Modifiable
isPartial

Holds if this declaration is partial.

from Modifiable
isPrivatefrom Member
isProtectedfrom Member
isPublicfrom Member
isSealedfrom Member
isSourceDeclaration

Holds if this declaration is unconstructed and in source code.

from Declaration
isSourceDeclaration

Holds if this declaration is unconstructed and in source code.

from Declaration
isStaticfrom Member
isUnboundDeclaration

Holds if this declaration is unbound.

from Declaration
isUnboundDeclaration

Holds if this declaration is unbound.

from Declaration
isUnboundDeclaration

Holds if this declaration is unbound.

from Declaration
isUnsafe

Holds if this declaration is unsafe.

from Modifiable
matchesHandle

Holds if other has the same metadata handle in the same assembly.

from NamedElement
matchesHandle

Holds if other has the same metadata handle in the same assembly.

from NamedElement
matchesHandle

Holds if other has the same metadata handle in the same assembly.

from NamedElement
parameterTypesToString

Gets the types of the parameters of this declaration as a comma-separated string.

from Parameterizable
toStringWithTypes

Gets the full textual representation of this element, including type information.

from Callable