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SAS macros are pieces of code or variables that are coded once and referenced to perform repetitive tasks. [8] SAS data can be published in HTML, PDF, Excel, RTF and other formats using the Output Delivery System, which was first introduced in 2007. [9] SAS Enterprise Guide is SAS's point-and-click interface.
The SAS macro language is made available within base SAS software to reduce the amount of code, and create code generators for building more versatile and flexible programs. [21] The macro language can be used for functionalities as simple as symbolic substitution and as complex as dynamic programming . [ 8 ]
It formerly included the Graph Builder iPad App. [39] It also formerly provided JMP Genomics, a combined JMP and SAS product, but that product was discontinued, and much of the functionality for genomic data analysis is available in JMP Pro. JMP Clinical was also formerly a combined JMP/SAS software package, but currently is solely a JMP package.
Macro languages may be restricted to acting on specially labeled code regions (pre-fixed with a # in the case of the C preprocessor). Alternatively, they may not, but in this case it is still often undesirable to (for instance) expand a macro embedded in a string literal, so they still need a rudimentary awareness of syntax. That being the case ...
A parameterized macro is a macro that is able to insert given objects into its expansion. This gives the macro some of the power of a function. As a simple example, in the C programming language, this is a typical macro that is not a parameterized macro, i.e., a parameterless macro: #define PI 3.14159
A fairly common example of using DSLs involves generative metaprogramming: lex and yacc, two tools used to generate lexical analysers and parsers, let the user describe the language using regular expressions and context-free grammars, and embed the complex algorithms required to efficiently parse the language.
It had a static address allocation. It was possible to insert code in SAS macro assembler. The compilation proceeded in two stages: From SAKO to simplified SAS macro assembler (SAS-W). From SAS-W to machine language. The most characteristic feature of SAKO are Polish commands, e.g. CZYTAJ, SKOCZ DO.
It is not to be confused with macros, the mechanism often found in programming languages (like C or Scala) to express substitution rules for program pieces. Macroprogramming originated in the context of wireless sensor network programming [ 3 ] [ 4 ] [ 5 ] and found renewed interest in the context of the Internet of Things [ 6 ] and swarm ...