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1.1 root 1: .\" Copyright (c) 1980 Regents of the University of California.
2: .\" All rights reserved. The Berkeley software License Agreement
3: .\" specifies the terms and conditions for redistribution.
4: .\"
5: .\" @(#)puman0.n 6.2 (Berkeley) 5/7/86
6: .\"
7: .so tmac.p
8: .EH 'PS1:4-%''Berkeley Pascal User\'s Manual'
9: .OH 'Berkeley Pascal User\'s Manual''PS1:4-%'
10: .TL
11: Berkeley Pascal User's Manual
12: .br
13: Version 3.1 \- April 1986
14: .AU
15: William N. Joy\(dd, Susan L. Graham, Charles B. Haley\(dd,
16: Marshall Kirk McKusick, and Peter B. Kessler\(dd
17: .AI
18: Computer Science Division
19: .if n Department of Electrical Engineering
20: .if n and Computer Science
21: .if t Department of Electrical Engineering and Computer Science
22: University of California, Berkeley
23: Berkeley, California 94720
24: ...AI
25: ...MH
26: .AB
27: .FS
28: Copyright 1977, 1979, 1980, 1983
29: W. N. Joy, S. L. Graham, C. B. Haley, M. K. McKusick, P. B. Kessler
30: .FE
31: .FS
32: \(ddAuthor's current addresses:
33: William Joy: Sun Microsystems, 2550 Garcia Ave., Mountain View, CA 94043;
34: Charles Haley: S & B Associates, 1110 Centennial Ave., Piscataway, NJ 08854;
35: Peter Kessler: Xerox Research Park, Palo Alto, CA
36: .FE
37: .PP
38: Berkeley
39: Pascal
40: is designed for interactive instructional use
41: and runs on the \s-2PDP\s0/11 and \s-2VAX\s0/11 computers.
42: Interpretive code is produced,
43: providing fast translation at the expense of slower execution speed.
44: There is also a fully compatible compiler for the \s-2VAX\s0/11.
45: An execution profiler and
46: Wirth's cross reference program are also
47: available with the system.
48: .PP
49: The system supports full Pascal.
50: The language accepted is
51: `standard' Pascal,
52: and a small number of extensions.
53: There is an option to suppress the extensions.
54: The extensions include a separate compilation facility
55: and the ability to link to object modules
56: produced from other source languages.
57: .PP
58: The
59: .UM
60: gives a list of sources relating to the
61: .UX
62: system, the Pascal language, and the
63: .UP
64: system.
65: Basic usage examples are provided for the Pascal components
66: .PI ,
67: .X ,
68: .IX ,
69: .PC ,
70: and
71: .XP .
72: Errors commonly encountered in these programs are discussed.
73: Details are given of special considerations due to the
74: interactive implementation.
75: A number of examples are provided including many dealing with
76: input/output. An appendix supplements Wirth's
77: .I "Pascal Report"
78: to form the full definition of the Berkeley implementation of the language.
79: .AE
80: .sp
81: .SH
82: 'if n 'ND
83: Introduction
84: .PP
85: The
86: .UP
87: .UM
88: consists of five major sections and an appendix.
89: In section 1 we give sources of information about
90: .UX ,
91: about the programming
92: language Pascal, and about the
93: Berkeley
94: implementation of the language.
95: Section 2 introduces the
96: Berkeley
97: implementation and provides a number of tutorial examples.
98: Section 3 discusses the error diagnostics produced by the translators
99: .PC
100: and
101: .PI ,
102: and the runtime interpreter
103: .X .
104: Section 4 describes input/output with special attention given to features
105: of the interactive implementation and to features unique to
106: .UX .
107: Section 5 gives details on the components of the system
108: and explanation of all relevant options.
109: The
110: .UM
111: concludes with an appendix to Wirth's
112: .I "Pascal Report"
113: with which it forms a precise definition of the implementation.
114: .SH
115: History of the implementation
116: .PP
117: The first
118: Berkeley
119: system was written by Ken Thompson in early 1976.
120: The main features of the present system were implemented by
121: Charles Haley and William Joy during the latter half of 1976.
122: Earlier versions of this system have been in use since January, 1977.
123: .PP
124: The system was moved to the \s-2VAX\s0-11
125: by Peter Kessler and Kirk McKusick
126: with the porting of the interpreter in the spring of 1979,
127: and the implementation of the compiler in the summer of 1980.
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