Portable Scheme Debugger - significado y definición. Qué es Portable Scheme Debugger
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Qué (quién) es Portable Scheme Debugger - definición

VOLUNTARY PROGRAMME RUN BY THE UNITED KINGDOM GOVERNMENT TO RECORD SMALL FINDS OF ARCHAEOLOGICAL INTEREST FOUND BY MEMBERS OF THE PUBLIC
The Portable Antiquities Scheme (PAS); The Portable Antiquities Scheme; Portable Antiquities Scheme (PAS); FindID; Finds Liaison Officer
  • Groat]] of [[Edward III]] (FindID 662156)
  • A Medieval [[thimble]] (FindID 662823)
  • A Mesolithic Knife (FindID 662570)
  • Philip and Mary]], recorded via the scheme (FindID 662681)
  • bow brooch]] of the Polden Hill type (FindID 662669)

Portable Scheme Debugger      
(PSD) A package for source code debugging of R4RS-compliant Scheme under GNU Emacs by Kellom ?ki Pertti <pk@cs.tut.fi>. Version 1.1. Distributed under GNU GPL. It works with scm, Elk and Scheme->C. ftp://ftp.cs.tut.fi/pub/src/languages/schemes/psd.tar.Z. (1992-10-08)
R4RS         
DIALECT OF THE LISP PROGRAMMING LANGUAGE
Scheme Links; R5RS; R4RS; R6RS; Set!; Scheme Programming language; Scheme progamming language; Scheme programming language; R5RS Scheme; Err5rs; ERR5RS; Scheme language; LAML; Scheme (language); RnRS; R7RS; Dr. Scheme; Scheme Lisp
A revision of R3RS, revised in R3.99RS. ftp://altdorf.ai.mit.edu/. ["The Revised^4 Report on the Algorithmic Language Scheme", W. Clinger et al, MIT (Nov 1991)]. (1994-10-28) [Later revisions?]
source-level debugger         
COMPUTER PROGRAM USED TO TEST AND DEBUG OTHER PROGRAMS
Debuggers; Debugger front end; Debugging tool; Symbolic debugger; Source-level debugger; Debugger (computer); GNU Debugger front end; Omniscient Debugger; User:Unforgettableid/Omniscient Debugger; Debugger front-end; GNU Debugger front-end; Reverse debugging; Reverse debugger; Historical debugger; Historical debugging; Backwards debugger; Backwards debugging; Debugger frontend; Hardware support for debugging
<programming, tool> A debugger that shows the programmer the line or expression in the source code that resulted in a particular machine code instruction of a running program loaded in memory. This helps the programmer to analyse a program's behaviour in the high-level terms like source-level flow control constructs, procedure calls, named variables, etc instead of machine instructions and memory locations. Source-level debugging also makes it possible to step through execution a line at a time and set source-level breakpoints. In order to support source-level debugging, the program must be compiled with this option enabled so that extra information is included in the executable code to identify the corresponding positions in the source code. A symbolic debugger is one level lower - it displays symbols (procedure and variable names) stored in the executable but not individual source code lines. GDB is a widely used example of a source-level debugger. (2007-04-03)

Wikipedia

Portable Antiquities Scheme

The Portable Antiquities Scheme (PAS) is a voluntary programme run by the United Kingdom government to record the increasing numbers of small finds of archaeological interest found by members of the public. The scheme began in 1997 and now covers most of England and Wales.

It is primarily focused on private metal detectorists who through their hobby regularly discover artefacts that would otherwise go unrecorded. Members of the public can also report objects they have found and finds of non-metallic objects are also covered by the scheme. Finds that legally constitute treasure are dealt with through the Treasure Act 1996. This however concentrates on precious metals, prehistoric base metal, and finds in association with them. Non-prehistoric base metal and non-metal finds would not be recognised as treasure and therefore be unrecorded. The PAS exists to fill this gap.

The scheme funds the posts of Finds Liaison Officers (FLOs) at county councils or local museums to whom finders can report their objects. The FLO is qualified to examine the find and provide the finder with more information on it. They also record the find, its function, date, material and location and place this information into a database which can be analysed. The information on the findspot can be used to organise more research on the area. Many previously unknown archaeological sites have been identified through the scheme and it has contributed greatly to the level of knowledge of the past. FLOs maintain close links with local metal detecting societies and have contributed to a thaw in relationships between the detectorists and archaeologists who often previously disdained one another.

Finds are photographed, often from multiple angles, and a text description is recorded. The photographs are made available under an open licence.

The find remains the property of the finder or the landowner who are free to dispose of non-treasure finds.