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Annotation of 43BSDTahoe/man/man1/pi.1, revision 1.1

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: .\"    @(#)pi.1        6.1 (Berkeley) 4/29/85
        !             6: .\"
        !             7: .TH PI 1 "April 29, 1985"
        !             8: .UC
        !             9: .SH NAME
        !            10: pi \- Pascal interpreter code translator
        !            11: .SH SYNOPSIS
        !            12: .B pi
        !            13: [
        !            14: .B option
        !            15: ] [
        !            16: .B \-i
        !            17: name ...
        !            18: ] name.p
        !            19: .SH DESCRIPTION
        !            20: .I Pi
        !            21: translates the program in the file
        !            22: .I name.p
        !            23: leaving interpreter code in the file
        !            24: .I obj
        !            25: in the current directory.
        !            26: The interpreter code can be executed using
        !            27: .I px.
        !            28: .I Pix
        !            29: performs the functions of
        !            30: .I pi
        !            31: and
        !            32: .I px
        !            33: for `load and go' Pascal.
        !            34: .PP
        !            35: The following flags are interpreted by 
        !            36: .I pi;
        !            37: the associated options can also be controlled in comments within the program
        !            38: as described in the
        !            39: .I "Berkeley Pascal User's Manual."
        !            40: .TP 6
        !            41: .B  \-b
        !            42: Block buffer the file
        !            43: .I output.
        !            44: .TP 6
        !            45: .B  \-i
        !            46: Enable the listing for
        !            47: any specified procedures and functions and while processing any specified
        !            48: .B include
        !            49: files.
        !            50: .TP 6
        !            51: .B  \-l
        !            52: Make a program listing during translation.
        !            53: .TP 6
        !            54: .B  \-n
        !            55: Begin each listed
        !            56: .B include
        !            57: file on a new page with a banner line.
        !            58: .TP 6
        !            59: .B  \-p
        !            60: Suppress the post-mortem control flow backtrace
        !            61: if an error occurs;
        !            62: suppress statement limit counting.
        !            63: .TP 6
        !            64: .B  \-s
        !            65: Accept standard Pascal only;
        !            66: non-standard constructs cause warning diagnostics.
        !            67: .TP 6
        !            68: .B  \-t
        !            69: Suppress runtime tests of subrange variables and treat
        !            70: .B assert
        !            71: statements as comments.
        !            72: .TP 6
        !            73: .B  \-u
        !            74: Card image mode;
        !            75: only the first 72 characters of input lines are used.
        !            76: .TP 6
        !            77: .B  \-w
        !            78: Suppress warning diagnostics.
        !            79: .TP 6
        !            80: .B  \-z
        !            81: Allow execution profiling with
        !            82: .I pxp
        !            83: by generating statement counters, and arranging for the
        !            84: creation of the profile data file
        !            85: .I pmon.out
        !            86: when the resulting object is executed.
        !            87: .dt
        !            88: .SH FILES
        !            89: file.p                         input file
        !            90: .br
        !            91: file.i                         \fBinclude\fR file(s)
        !            92: .br
        !            93: /usr/lib/pi2.*strings          text of the error messages
        !            94: .br
        !            95: .nf
        !            96: /usr/lib/how_pi*               basic usage explanation
        !            97: .fi
        !            98: obj                            interpreter code output
        !            99: .SH "SEE ALSO"
        !           100: Berkeley Pascal User's Manual
        !           101: .br
        !           102: pix(1),
        !           103: px(1),
        !           104: pxp(1),
        !           105: pxref(1)
        !           106: .SH DIAGNOSTICS
        !           107: For a basic explanation do
        !           108: .IP
        !           109: .B     pi
        !           110: .PP
        !           111: In the diagnostic output of the translator,
        !           112: lines containing syntax errors are listed with a flag indicating the
        !           113: point of error.
        !           114: Diagnostic messages indicate the action which the recovery mechanism
        !           115: took in order to be able to continue parsing.
        !           116: Some diagnostics indicate only that the input is `malformed.'
        !           117: This occurs if the recovery can find no simple correction to make the input
        !           118: syntactically valid.
        !           119: .LP
        !           120: Semantic error diagnostics indicate a line in the source text near the
        !           121: point of error.
        !           122: Some errors evoke more than one diagnostic to help pinpoint the error;
        !           123: the follow-up messages begin with an ellipsis `...'.
        !           124: .LP
        !           125: .ne 8
        !           126: The first character of each error message indicates its class:
        !           127: .LP
        !           128: .ta 1ic 2.i
        !           129:        E       Fatal error; no code will be generated.
        !           130: .br
        !           131:        e       Non-fatal error.
        !           132: .br
        !           133:        w       Warning \- a potential problem.
        !           134: .br
        !           135:        s       Non-standard Pascal construct warning.
        !           136: .LP
        !           137: If a severe error occurs which inhibits further processing,
        !           138: the translator will give a diagnostic and then `QUIT'.
        !           139: .SH AUTHORS
        !           140: Charles B. Haley, William N. Joy, and Ken Thompson
        !           141: .br
        !           142: Ported to VAX-11 by Peter Kessler
        !           143: .SH BUGS
        !           144: The keyword
        !           145: .B packed
        !           146: is recognized but has no effect.
        !           147: .PP
        !           148: For clarity,
        !           149: semantic errors should be flagged at an appropriate place in the source text,
        !           150: and multiple instances of the `same' semantic error should be summarized
        !           151: at the end of a
        !           152: .B procedure
        !           153: or
        !           154: .B function
        !           155: rather than evoking many diagnostics.
        !           156: .PP
        !           157: When
        !           158: .B include
        !           159: files are present,
        !           160: diagnostics relating to the last procedure in one file may appear after the
        !           161: beginning of the listing of the next.

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