.\" Copyright (c) 1980, 1990, 1993 .\" The Regents of the University of California. All rights reserved. .\" .\" Redistribution and use in source and binary forms, with or without .\" modification, are permitted provided that the following conditions .\" are met: .\" 1. Redistributions of source code must retain the above copyright .\" notice, this list of conditions and the following disclaimer. .\" 2. Redistributions in binary form must reproduce the above copyright .\" notice, this list of conditions and the following disclaimer in the .\" documentation and/or other materials provided with the distribution. .\" 3. All advertising materials mentioning features or use of this software .\" must display the following acknowledgement: .\" This product includes software developed by the University of .\" California, Berkeley and its contributors. .\" 4. Neither the name of the University nor the names of its contributors .\" may be used to endorse or promote products derived from this software .\" without specific prior written permission. .\" .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" .\" @(#)pc.1 8.1 (Berkeley) 6/6/93 .\" .Dd June 6, 1993 .Dt PC 1 .Os BSD 4 .Sh NAME .Nm \&pc .Nd Pascal compiler .Sh SYNOPSIS .Nm \&pc .Op option .Op Fl i Ar name \&... .Ar name \&... .Sh DESCRIPTION .Nm \&Pc is a Pascal compiler. If given an argument file ending with .Pa \&.p , it will compile the file and load it into an executable file called, by default, .Pa a.out . .Pp A program may be separated into more than one .Pa \&.p file. .Nm \&Pc will compile a number of argument .Pa \&.p files into object files (with the extension .Pa \&.o in place of .Pa \&.p ) . Object files may then be loaded into an executable .Pa a.out file. Exactly one object file must supply a .Ar program statement to successfully create an executable a.out file. The rest of the files must consist only of declarations which logically nest within the program. References to objects shared between separately compiled files are allowed if the objects are declared in .Ic included header files, whose names must end with .Pa \&.h . Header files may only be included at the outermost level, and thus declare only globally available objects. To allow .Ic function Ns s and .Ic procedure Ns s to be declared, an .Ic external directive has been added, whose use is similar to the .Ic forward directive but restricted to appear only in .Pa \&.h files. .Ic Function and .Ic procedure bodies may not appear in .Pa \&.h files. A binding phase of the compiler checks that declarations are used consistently, to enforce the type checking rules of Pascal. .Pp Object files created by other language processors may be loaded together with object files created by .Nm \&pc . The .Ic function Ns s and .Ic procedure Ns s they define must have been declared in .Pa \&.h files included by all the .Pa \&.p files which call those routines. Calling conventions are as in C, with .Ic var parameters passed by address. .Pp See the .%T "Berkeley Pascal User's Manual" for details. .Pp The following options have the same meaning as in .Xr cc 1 and .Xr f77 1 . See .Xr \&ld 1 for load-time options. .Bl -tag -width indent .It Fl c Suppress loading and produce `.o' file(s) from source file(s). .It Fl g Have the compiler produce additional symbol table information for .Xr dbx 1 . .It Fl w Suppress warning messages. .It Fl p Prepare object files for profiling, see .Xr prof 1 . .It Fl O Invoke an object-code improver. .It Fl S Compile the named program, and leave the assembler-language output on the corresponding file suffixed `.s'. (No `.o' is created.). .It Fl o Ns Ar output Name the final output file .Ar output instead of .Pa a.out . .El .Pp The following options are peculiar to .Nm pc . .Bl -tag -width indent .It Fl C Compile code to perform runtime checks, verify .Ic assert calls, and initialize all variables to zero as in .Nm pi . .It Fl b Block buffer the file .Ar output . .It Fl i Produce a listing for the specified procedures, functions and .Ar include files. .It Fl l Make a program listing during translation. .It Fl s Accept standard Pascal only; non-standard constructs cause warning diagnostics. .It Fl t Ar directory Use the given .Ar directory for compiler temporary files. .It Fl z Allow execution profiling with .Nm pxp by generating statement counters, and arranging for the creation of the profile data file .Pa pmon.out when the resulting object is executed. .El .Pp Other arguments are taken to be loader option arguments, perhaps libraries of .Nm \&pc compatible routines. Certain flags can also be controlled in comments within the program as described in the .%T "Berkeley Pascal User's Manual." .Sh FILES .Bl -tag -width /usr/lib.pc2.*strings -compact .It Pa file.p Pascal source files. .It Pa /usr/lib/pc0 Compiler. .It Pa /lib/f1 Code generator. .It Pa /usr/lib/pc2 Runtime integrator (inline expander). .It Pa /lib/c2 Peephole optimizer. .It Pa /usr/lib/pc3 Separate compilation consistency checker. .It Pa /usr/lib/pc2.*strings Text of the error messages. .It Pa /usr/lib/how_pc Basic usage explanation. .It Pa /usr/lib/libpc.a Intrinsic functions and .Tn I/O library. .It Pa /usr/lib/libm.a Math library. .It Pa /lib/libc.a Standard library, see .Xr intro 3 . .El .Sh SEE ALSO .Xr \&pi 1 , .Xr pxp 1 , .Xr pxref 1 , .Rs .%T "Berkeley Pascal User's Manual" .Re .Sh HISTORY The .Nm \&pc appeared in .Bx 4.0 . .Sh DIAGNOSTICS For a basic explanation do .Pp .Bd -literal -offset indent pc .Ed .Pp See .Xr \&pi 1 . for an explanation of the error message format. Internal errors cause messages containing the word .Tn SNARK . .Sh BUGS The keyword .Ic packed is recognized but has no effect. .Pp The binder is not as strict as described here, with regard to the rules about external declarations only in `.h' files and including `.h' files only at the outermost level. It will be made to perform these checks in its next incarnation, so users are warned not to be sloppy. .Pp The .Fl z flag doesn't work for separately compiled files. .Pp Because the .Fl s option is usurped by the compiler, it is not possible to pass the strip option to the loader. Thus programs which are to be stripped, must be run through .Xr strip 1 after they are compiled.