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lang/pc/pem/em_pem.6

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+.TH PC_PEM VI
+.ad
+.SH NAME
+pc_pem \- Pascal to EM compiler
+.SH SYNOPSIS
+/usr/em/lib/pc_pem compact errors
+.SH DESCRIPTION
+Pem is a Pascal compiler producing compact EM assembly code.
+The EM machine is described in [1].
+The language Pascal is developed by N. Wirth and is described
+in the "Pascal User Manual and Report" [2].
+The compiler complies as much as possible with the ISO standard proposal [3].
+The language features as processed by this compiler are described in
+the Pascal reference manual [4].
+Normally the compiler is called by means of the user interface program
+\fIack\fP(I).
+.PP
+The first argument is the name of the file on which the produced
+compact EM code is written.
+The file is also used to pass the options to the compiler.
+These options include the -{xxx} flags given to \fIack\fP(I)
+and the size of Pascal objects, like pointers.
+.PP
+The second argument is the name of the error file.
+For each error found by the compiler a record is appended to this file.
+An error record contains several fields like error number, line number,
+column number and error parameter (identifier name or label number etc.).
+.SH "SEE ALSO"
+.IP [1]
+A.S. Tanenbaum, Hans van Staveren, Ed Keizer and Johan
+Stevenson "Description of a machine architecture for use with
+block structured languages" Informatica report IR-81.
+.IP [2]
+K.Jensen & N.Wirth
+"PASCAL, User Manual and Report" Springer-Verlag.
+.IP [3]
+An improved version of the ISO standard proposal for the language Pascal,
+ISO/TC97/SC5-N462, received November 1979.
+.IP [4]
+J.W.Stevenson "The Amsterdam Compiler Kit Pascal reference manual".
+.br
+(try 'nroff /usr/em/doc/pcref.doc')
+.IP [5]
+\fIack\fP(I)
+.SH DIAGNOSTICS
+Compilation errors are written to the error file.
+Positive error numbers are used for irrecoverable errors, negative ones for warnings.
+\fIAck\fP searches the file /usr/em/etc/pc_errors to find
+the corresponding messages.
+.SH AUTHOR
+Johan Stevenson, Vrije Universiteit.