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ASSET OVERVIEW

UNIT NAME

Ada Reserved Word Hash (RESERVE)

VERSION
1.0
REVIEW CODE
AR; C1 1.0 A
INET ADDRESS
GRALIA @ APLVAX
AUTHOR
Mars J. Gralia
Jerry L. Kashtan
The Johns Hopkins Universtity
Laurel, Maryland 20707
RIGHTS
PUBLIC DOMAIN
COPYRIGHT
(c) 1986 Mars J. Gralia and Jerry L. Kashtan
DATE CREATED
November 16, 1985
DATE RELEASED
January 29, 1986
DATE LAST UPDATED
January 29, 1986
LOCATION
C2MUG
PC-BLUE
ASR
PAL
ENVIRONMENT
DEC 8600 Cluster, DEC Ada v1.0-7
LIMITATIONS
CERTIFICATION
Ada System Certifier_1 1.0
Date/Time of Processing: Monday    30 May       1994 06:13:46Pm
Overall Assessment of System: OK
Classification of System: A
Basis of Classification --
    Syntax Errors                               PASS
    Completeness                                PASS
    Independence from External Libraries        PASS
    Independence from a Specific Ada Compiler   PASS

Number of ...
  Files               2
  Library Units       2
  Lines             428
  Statements        115
  Comments          100

CLASSIFICATION

KEYWORD
Ada Reserved Words
INDEX
Words, Ada Reserved
Parser
Token
Tokenizer
Syntax
Hash
Gralia, Mars J.
Kashtan, Jerry L.
Johns Hopkins Univ
DEPENDENCIES
SEE ALSO
SHORT DESCRIPTION
Determine if a token is a reserved word in Ada
TAXONOMY


Software Components
    Reserved Word Identifier


FILE LISTING

FILE SPECS
You are on CDROM ID ase02_02
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../../ase02_02/comps/reserve
DIRECTORY DISPLAY
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ABSTRACT

This package contains the single function "is_Ada_reserved_word". It returns with either a "true" or "false" to the statement "the input character string is a reserved word in the Ada language".

The contribution of the function is that it executes very quickly, being an implementation of the algorithm defined by David Wolverton in "A Perfect Hash Function for Ada Reserved Words", as published in Ada Letter, July-August 1984. It is much faster than either linear or binary searches of all the Ada reserved words.

A test driver is included, as is sample test data.


REVISION HISTORY

DATE         VERSION	AUTHOR                  HISTORY
1/29/86	  1.0	Gralia & Kashtan	Initial Release

RELEASE NOTICE

This prologue must be included in all copies of this software.
This software is copyright by the authors.
This software is released to the Ada community.
Restrictions on use or distribution:  NONE

DISCLAIMER

	This software and its documentation are provided "AS IS" and
without any expressed or implied warranties whatsoever.  No warranties
as to performance, merchantability, or fitness for a particular
purpose exist.
	The user is advised to test the software thoroughly before
relying on it.  The user must assume the entire risk and liability of
using this software.  In no event shall any person or organization of
people be held responsible for any direct, indirect, consequential or
inconsequential damages or lost profits.

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