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Annotation of 43BSDReno/pgrm/pascal/pc/pc.1, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1980, 1990 The Regents of the University of California.
        !             2: .\" All rights reserved.
        !             3: .\"
        !             4: .\" Redistribution and use in source and binary forms are permitted provided
        !             5: .\" that: (1) source distributions retain this entire copyright notice and
        !             6: .\" comment, and (2) distributions including binaries display the following
        !             7: .\" acknowledgement:  ``This product includes software developed by the
        !             8: .\" University of California, Berkeley and its contributors'' in the
        !             9: .\" documentation or other materials provided with the distribution and in
        !            10: .\" all advertising materials mentioning features or use of this software.
        !            11: .\" Neither the name of the University nor the names of its contributors may
        !            12: .\" be used to endorse or promote products derived from this software without
        !            13: .\" specific prior written permission.
        !            14: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            15: .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            16: .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            17: .\"
        !            18: .\"     @(#)pc.1       6.2 (Berkeley) 6/11/90
        !            19: .\"
        !            20: .Dd June 11, 1990
        !            21: .Dt PC 1
        !            22: .Os BSD 4
        !            23: .Sh NAME
        !            24: .Nm pc
        !            25: .Nd Pascal compiler
        !            26: .Sh SYNOPSIS
        !            27: .Nm pc
        !            28: .Op  option
        !            29: .Op Fl i Ar name \&...
        !            30: .Ar name \&...
        !            31: .Sh DESCRIPTION
        !            32: .Nm Pc
        !            33: is a Pascal compiler.
        !            34: If given an argument file ending with
        !            35: .Pa \&.p ,
        !            36: it will compile the file
        !            37: and load it
        !            38: into an executable file called, by default,
        !            39: .Pa a.out  .
        !            40: .Pp
        !            41: A program may be separated into more than one
        !            42: .Pa \&.p
        !            43: file.
        !            44: .Nm Pc
        !            45: will compile a number of argument
        !            46: .Pa \&.p
        !            47: files into object files (with
        !            48: the extension
        !            49: .Pa \&.o
        !            50: in place of
        !            51: .Pa \&.p ) .
        !            52: Object files may then be loaded
        !            53: into an executable
        !            54: .Pa a.out
        !            55: file.
        !            56: Exactly one object file must supply a
        !            57: .Ar program
        !            58: statement to successfully create an executable a.out file.
        !            59: The rest of the files must consist only of
        !            60: declarations which logically nest within the program.
        !            61: References to objects shared between separately compiled files
        !            62: are allowed if the objects are declared in
        !            63: .Ic included
        !            64: header files, whose names must end with
        !            65: .Pa \&.h .
        !            66: Header files may only be included at the outermost level,
        !            67: and thus declare only globally available objects.
        !            68: To allow
        !            69: .Cx Ic function
        !            70: .Cx s
        !            71: .Cx
        !            72: and
        !            73: .Cx Ic procedure
        !            74: .Cx s
        !            75: .Cx
        !            76: to be declared, an
        !            77: .Ic external
        !            78: directive has been added, whose use is similar to the
        !            79: .Ic forward
        !            80: directive but restricted to appear only in
        !            81: .Pa \&.h
        !            82: files.
        !            83: .Ic Function
        !            84: and
        !            85: .Ic procedure
        !            86: bodies may not appear in
        !            87: .Pa \&.h
        !            88: files.
        !            89: A binding phase of the compiler checks that declarations
        !            90: are used consistently, to enforce the type checking rules of Pascal.
        !            91: .Pp
        !            92: Object files
        !            93: created by other language processors may be loaded together with
        !            94: object files created by
        !            95: .Nm pc  .
        !            96: The
        !            97: .Cx Ic function
        !            98: .Cx s
        !            99: .Cx
        !           100: and
        !           101: .Cx Ic procedure
        !           102: .Cx s
        !           103: .Cx
        !           104: they define must have been declared
        !           105: in
        !           106: .Pa \&.h
        !           107: files included by all the
        !           108: .Pa \&.p
        !           109: files which call those
        !           110: routines.
        !           111: Calling conventions are as in C,
        !           112: with
        !           113: .Ic var
        !           114: parameters passed by address.
        !           115: .Pp
        !           116: See the Berkeley Pascal User's Manual for details.
        !           117: .Pp
        !           118: The following options have the same meaning as in
        !           119: .Xr cc  1
        !           120: and
        !           121: .Xr f77  1  .
        !           122: See
        !           123: .Xr ld  1
        !           124: for load-time options.
        !           125: .Tw Fl
        !           126: .Tp Fl c
        !           127: Suppress loading and produce `.o' file(s) from source file(s).
        !           128: .Tp Fl g
        !           129: Have the compiler produce additional symbol table information for
        !           130: .Xr dbx  1  .
        !           131: .Tp Fl w
        !           132: Suppress warning messages.
        !           133: .Tp Fl p
        !           134: Prepare object files for profiling, see
        !           135: .Xr prof  1  .
        !           136: .Tp Fl O
        !           137: Invoke an
        !           138: object-code improver.
        !           139: .Tp Fl S
        !           140: Compile the named program, and leave the
        !           141: assembler-language output on the corresponding file suffixed `.s'.
        !           142: (No `.o' is created.).
        !           143: .Tp Cx Fl o
        !           144: .Ws
        !           145: .Ar output
        !           146: .Cx
        !           147: Name the final output file
        !           148: .Ar output
        !           149: instead of
        !           150: .Pa a.out .
        !           151: .Tp
        !           152: .Pp
        !           153: The following options are peculiar to
        !           154: .Nm pc  .
        !           155: .Tw Fl
        !           156: .Tp Fl C
        !           157: Compile code to perform runtime checks,
        !           158: verify
        !           159: .Ic assert
        !           160: calls,
        !           161: and initialize all variables to zero as in
        !           162: .Nm pi  .
        !           163: .Tp Fl b
        !           164: Block buffer the file
        !           165: .Ar output .
        !           166: .Tp Fl i
        !           167: Produce a listing for
        !           168: the specified procedures, functions and
        !           169: .Ar include
        !           170: files.
        !           171: .Tp Fl l
        !           172: Make a program listing during translation.
        !           173: .Tp Fl s
        !           174: Accept standard Pascal only;
        !           175: non-standard constructs cause warning diagnostics.
        !           176: .Tp Cx Fl t
        !           177: .Ws
        !           178: .Ar directory
        !           179: .Cx
        !           180: Use the given
        !           181: .Ar directory
        !           182: for compiler temporary files.
        !           183: .Tp Fl z
        !           184: Allow execution profiling with
        !           185: .Nm pxp
        !           186: by generating statement counters, and arranging for the
        !           187: creation of the profile data file
        !           188: .Pa pmon.out
        !           189: when the resulting object is executed.
        !           190: .Pp
        !           191: .Tp
        !           192: Other arguments
        !           193: are taken
        !           194: to be loader option arguments,
        !           195: perhaps libraries of
        !           196: .Nm pc
        !           197: compatible routines.
        !           198: Certain flags can also be controlled in comments within the program
        !           199: as described in the
        !           200: .Em "Berkeley Pascal User's Manual."
        !           201: .Sh FILES
        !           202: .Dw /usr/lib.pc2.*strings
        !           203: .Di L
        !           204: .Dp Pa file.p
        !           205: pascal source files
        !           206: .Dp Pa /usr/lib/pc0
        !           207: compiler
        !           208: .Dp Pa /lib/f1
        !           209: code generator
        !           210: .Dp Pa /usr/lib/pc2
        !           211: runtime integrator (inline expander)
        !           212: .Dp Pa /lib/c2
        !           213: peephole optimizer
        !           214: .Dp Pa /usr/lib/pc3
        !           215: separate compilation consistency checker
        !           216: .Dp Pa /usr/lib/pc2.*strings
        !           217: text of the error messages
        !           218: .Dp Pa /usr/lib/how_pc
        !           219: basic usage explanation
        !           220: .Dp Pa /usr/lib/libpc.a
        !           221: intrinsic functions and I/O library
        !           222: .Dp Pa /usr/lib/libm.a
        !           223: math library
        !           224: .Dp Pa /lib/libc.a
        !           225: standard library, see
        !           226: .Xr intro 3
        !           227: .Dp
        !           228: .Sh SEE ALSO
        !           229: .Em Berkeley Pascal User's Manual
        !           230: .br
        !           231: .Xr pi 1 ,
        !           232: .Xr pxp 1 ,
        !           233: .Xr pxref 1 ,
        !           234: .\" .Xr sdb 1
        !           235: .Sh HISTORY
        !           236: .Nm Pc
        !           237: appeared in 4.0 BSD.
        !           238: .Sh DIAGNOSTICS
        !           239: For a basic explanation do
        !           240: .Pp
        !           241: .Df I
        !           242: .Nm pc
        !           243: .De 
        !           244: .Pp
        !           245: See
        !           246: .Xr pi  1  .
        !           247: for an explanation of the error message format.
        !           248: Internal errors cause messages containing the word SNARK.
        !           249: .Sh AUTHORS
        !           250: Charles B. Haley, William N. Joy, and Ken Thompson
        !           251: .br
        !           252: Retargetted to the second pass of the portable
        !           253: .Ar C
        !           254: compiler by Peter Kessler
        !           255: .br
        !           256: Runtime library and inline optimizer by M. Kirk McKusick
        !           257: .br
        !           258: Separate compilation consistency checking by Louise Madrid
        !           259: .Sh BUGS
        !           260: The keyword
        !           261: .Ic packed
        !           262: is recognized but has no effect.
        !           263: .Pp
        !           264: The binder is not as strict as described here,
        !           265: with regard to the rules about external declarations only
        !           266: in `.h' files and including `.h' files only at the outermost level.
        !           267: It will be made to perform these checks in its next incarnation,
        !           268: so users are warned not to be sloppy.
        !           269: .Pp
        !           270: The
        !           271: .Fl z
        !           272: flag doesn't work for separately compiled files.
        !           273: .Pp
        !           274: Because the
        !           275: .Fl s
        !           276: option is usurped by the compiler,
        !           277: it is not possible to pass the strip option to the loader.
        !           278: Thus programs which are to be stripped, must be run through
        !           279: .Xr strip  1
        !           280: after they are compiled.

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