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A dynamic-link library (DLL) is a shared library in the Microsoft Windows or OS/2 operating system.A DLL can contain executable code (functions), data, and resources.. A DLL file often has file extension.dll even though this is not required.
In Object Pascal and Delphi, the operator is is used to check the type of a class at runtime. It tests the belonging of an object to a given class, including classes of individual ancestors present in the inheritance hierarchy tree (e.g. Button1 is a TButton class that has ancestors: TWinControl → TControl → TComponent → TPersistent → ...
For implementations of programming languages that are using a compiler, identifiers are often only compile time entities. That is, at runtime the compiled program contains references to memory addresses and offsets rather than the textual identifier tokens (these memory addresses, or offsets, having been assigned by the compiler to each ...
The identifier list is bound to a variable in the first line; in the second, an object (a linked list of strings) is assigned to the variable. The linked list referenced by the variable is then mutated, adding a string to the list. Next, the variable is assigned the constant null. In the last line, the identifier is rebound for the scope of the ...
A runtime library may provide basic program facilities such as for memory management and exception handling. [ 2 ] A runtime library is an artifact of the design of the toolchain used to build the program – not inherently required by the host operating system or the programming language in which the program is written.
scopes, which make it possible for an identifier to have different meanings at different scope levels, and which involves various scope overriding and hiding rules. At the most basic level name resolution usually attempts to find the binding in the smallest enclosing scope, so that for example local variables supersede global variables; this is ...
The proto-runtime toolkit was created to simplify the creation of parallel runtime systems. [ 3 ] In addition to execution model behavior, a runtime system may also perform support services such as type checking , debugging , or code generation and optimization .
The Common Language Infrastructure (CLI) is an open specification and technical standard originally developed by Microsoft and standardized by ISO/IEC (ISO/IEC 23271) and Ecma International (ECMA 335) [1] [2] that describes executable code and a runtime environment that allows multiple high-level languages to be used on different computer platforms without being rewritten for specific ...