hostlanguage
Hostlanguage, in computing, refers to the language in which a program, tool, or runtime is written or executes, and from which a guest or embedded language is invoked. The host provides the execution environment, memory management facilities, libraries, and the interfaces used by the guest language or components. This concept is widely used in programming language embedding, extension, and in compiler or toolchain design.
In embedding and extension scenarios, the host language runs the overall application while the guest language
In compiler and toolchain contexts, the host language is the language in which the compiler or tool
Key considerations when working with a host language include cross-language interoperability, ABI and type-system compatibility, memory