![]() The compilation represents each declared type, member, or variable as a symbol. CompilationĪ compilation is a representation of everything needed to compile a C# or Visual Basic program, which includes all the assembly references, compiler options, and source files.īecause all this information is in one place, the elements contained in the source code can be described in more detail. In addition to a syntactic model of the source code, a semantic model encapsulates the language rules, giving you an easy way to correctly match identifiers with the correct program element being referenced. Although no source code, and therefore no syntax nodes or trees, are available for assemblies, programs can still refer to elements inside them.įor those tasks, you need the Semantic model. There are program elements represented in source code, and programs can also refer to previously compiled libraries, packaged in assembly files. A nameĪlthough each of these is uniquely different, determining which one an identifier actually refers to often requires a deep understanding of the language rules. Although this information alone is enough to describe all the declarations and logic in the source, it is not enough information to identify what is being referenced. ![]() Syntax trees represent the lexical and syntactic structure of source code.
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