Module PrintAST

Provides queries to pretty-print a C++ AST as a graph.

By default, this will print the AST for all functions and global and namespace variables in the database. To change this behavior, extend PrintASTConfiguration and override shouldPrintDeclaration to hold for only the declarations you wish to view the AST for.

Import path

import semmle.code.cpp.PrintAST

Imports

cpp	Provides classes and predicates for working with C/C++ code.

Predicates

edges	Holds if `target` is a child of `source` in the AST, and property `key` of the edge has the given `value`.
graphProperties	Holds if property `key` of the graph has the given `value`.
nodes	Holds if `node` belongs to the output tree, and its property `key` has the given `value`.

Classes

AstNode	A node representing an AST node other than a `DeclarationEntry`.
BaseAstNode	A node representing an AST node.
C11GenericNode	A node representing a `C11GenericExpr`.
CastNode	A node representing a `Cast`.
ChildStmtNode	A node representing a child of a `Stmt` that is itself a `Stmt`.
ConstructorInitializersNode	A node representing the initializer list of a `Constructor`.
ConversionNode	A node representing a `Conversion`.
DeclStmtNode	A node representing a `DeclStmt`.
DeclarationEntryNode	A node representing a `DeclarationEntry`.
DestructorDestructionsNode	A node representing the destruction list of a `Destructor`.
ExprNode	A node representing an `Expr`.
FunctionNode	A node representing a `Function`.
FunctionParametersNode	A node representing the parameters of a `Function`.
GlobalOrNamespaceVariableNode	A node representing a `GlobalOrNamespaceVariable`.
HandlerNode	A node representing a `Handler`.
InitializerNode	A node representing an `Initializer`.
ParameterNode	A node representing a `Parameter`.
PrintAstConfiguration	The query can extend this class to control which declarations are printed.
PrintAstNode	A node in the output tree.
RequiresExprNode	A node representing a `RequiresExpr`
RequiresExprParametersNode	A node representing the parameters of a `RequiresExpr`.
StmtExprNode	A node representing a `StmtExpr`.
StmtNode	A node representing a `Stmt`.
StringLiteralNode	A node representing a `StringLiteral`.
VariableDeclarationEntryNode	A node representing a `VariableDeclarationEntry`.