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CH / ˌ s iː ˈ eɪ tʃ / is a proprietary cross-platform C and C++ interpreter and scripting language environment.It was designed by Harry Cheng as a scripting language for beginners to learn mathematics, computing, numerical analysis (numeric methods), and programming in C/C++.
In computer programming, the interpreter pattern is a design pattern that specifies how to evaluate sentences in a language. The basic idea is to have a class for each symbol ( terminal or nonterminal ) in a specialized computer language .
as a test message was influenced by an example program in the 1978 book The C Programming Language, [2] with likely earlier use in BCPL. The example program from the book prints "hello, world", and was inherited from a 1974 Bell Laboratories internal memorandum by Brian Kernighan, Programming in C: A Tutorial: [3]
GW-BASIC can play simple music using the PLAY statement, needing a string of notes represented in a music macro language, e.g., PLAY "edcdeeL2edfedL4c". More low-level control is possible with the SOUND statement, which takes the arguments of a frequency in hertz and a length in clock ticks for the standard internal PC speaker in IBM machines.
The purpose of interpreting notes is not to transcribe the speech verbatim. Interpreting notes are not a form of shorthand.Their purpose is to write minimal notes which will, at a quick glance, elicit in the interpreter's mind the intent of an oral communication so that it can be re-expressed in a different language.
A few interpreters, such as the PBASIC interpreter, achieve even higher levels of program compaction by using a bit-oriented rather than a byte-oriented program memory structure, where commands tokens occupy perhaps 5 bits, nominally "16-bit" constants are stored in a variable-length code requiring 3, 6, 10, or 18 bits, and address operands ...
Bytecode (also called portable code or p-code) is a form of instruction set designed for efficient execution by a software interpreter.Unlike human-readable [1] source code, bytecodes are compact numeric codes, constants, and references (normally numeric addresses) that encode the result of compiler parsing and performing semantic analysis of things like type, scope, and nesting depths of ...
QuickBASIC 4.5 was the subject of numerous books, articles, and programming tutorials, and arrived near the high-point of BASIC saturation in the PC marketplace. In 1989, Microsoft Press bundled the QuickBASIC Interpreter into a book-and-software learning system called Learn BASIC Now. The product was priced at $39.95 and included a Foreword ...