52 lines
1.9 KiB
Groff
52 lines
1.9 KiB
Groff
.TH PC_PEM 6ACK
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.ad
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.SH NAME
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pc_pem \- Pascal to EM compiler
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.SH SYNOPSIS
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~em/lib/pc_pem compact errors
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.SH DESCRIPTION
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Pem is a Pascal compiler producing compact EM assembly code.
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The EM machine is described in [1].
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The language Pascal is developed by N. Wirth and is described
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in the "Pascal User Manual and Report" [2].
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The compiler complies as much as possible with the ISO standard proposal [3].
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The language features as processed by this compiler are described in
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the Pascal reference manual [4].
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Normally the compiler is called by means of the user interface program
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\fIack\fP(I).
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.PP
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The first argument is the name of the file on which the produced
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compact EM code is written.
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The file is also used to pass the options to the compiler.
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These options include the -{xxx} flags given to \fIack\fP(I)
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and the size of Pascal objects, like pointers.
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.PP
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The second argument is the name of the error file.
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For each error found by the compiler a record is appended to this file.
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An error record contains several fields like error number, line number,
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column number and error parameter (identifier name or label number etc.).
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.SH "SEE ALSO"
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.IP [1]
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A.S. Tanenbaum, Hans van Staveren, Ed Keizer and Johan
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Stevenson "Description of a machine architecture for use with
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block structured languages" Informatica report IR-81.
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.IP [2]
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K.Jensen & N.Wirth
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"PASCAL, User Manual and Report" Springer-Verlag.
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.IP [3]
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An improved version of the ISO standard proposal for the language Pascal,
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ISO/TC97/SC5-N462, received November 1979.
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.IP [4]
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J.W.Stevenson "The Amsterdam Compiler Kit Pascal reference manual".
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.br
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(try \fInroff ~em/doc/pcref.doc\fP)
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.IP [5]
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\fIack\fP(I)
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.SH DIAGNOSTICS
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Compilation errors are written to the error file.
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Positive error numbers are used for irrecoverable errors, negative ones for warnings.
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\fIAck\fP searches the file ~em/etc/pc_errors to find
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the corresponding messages.
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.SH AUTHOR
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Johan Stevenson, Vrije Universiteit.
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