SCCS-vsn: usr.bin/pascal/px/px.1 6.7
.\" Copyright (c) 1980, 1990 The Regents of the University of California.
.\" All rights reserved.
.\"
.\" Copyright (c) 1980, 1990 The Regents of the University of California.
.\" All rights reserved.
.\"
-.\" %sccs.include.redist.man%
+.\" %sccs.include.redist.roff%
-.\" @(#)px.1 6.6 (Berkeley) %G%
+.\" @(#)px.1 6.7 (Berkeley) %G%
.Nd Pascal interpreter
.Sh SYNOPSIS
.Nd Pascal interpreter
.Sh SYNOPSIS
.Op Ar obj Op Ar argument ...
.Sh DESCRIPTION
.Op Ar obj Op Ar argument ...
.Sh DESCRIPTION
interprets the abstract machine code generated by
.Xr pi 1 .
The first argument is the file to be interpreted, and defaults
interprets the abstract machine code generated by
.Xr pi 1 .
The first argument is the file to be interpreted, and defaults
is also invoked by
.Nm pix
when running `load and go'.
is also invoked by
.Nm pix
when running `load and go'.
suppresses all of this except the message indicating the cause
of abnormal termination.
.Sh FILES
suppresses all of this except the message indicating the cause
of abnormal termination.
.Sh FILES
-.Dw pmon.out
-.Di L
-.Dp Pa obj
+.Bl -tag -width pmon.out -compact
+.It Pa obj
-.Em Berkeley Pascal User's Manual
-.br
+.Rs
+.%T "Berkeley Pascal User's Manual"
+.Re
.Sh DIAGNOSTICS
Most run-time error messages are self-explanatory.
Some of the more unusual ones are:
.Sh DIAGNOSTICS
Most run-time error messages are self-explanatory.
Some of the more unusual ones are:
-.Tw Ds
-.Tp Reference to an inactive file
+.Bl -tag -width indent
+.It Reference to an inactive file
A file other than
.Ar input
or
A file other than
.Ar input
or
.Ar reset
or
.Ar rewrite .
.Ar reset
or
.Ar rewrite .
-.Tp Statement count limit exceeded
+.It Statement count limit exceeded
The limit of 500,000 executed statements
(which prevents excessive looping or recursion)
has been exceeded.
The limit of 500,000 executed statements
(which prevents excessive looping or recursion)
has been exceeded.
-.Tp Bad data found on integer read
-.Tp Bad data found on real read
+.It Bad data found on integer read
+.It Bad data found on real read
Usually, non-numeric input was found for a number.
For reals, Pascal requires digits before and after the decimal
point so that numbers like `.1' or `21.' evoke the second diagnostic.
Usually, non-numeric input was found for a number.
For reals, Pascal requires digits before and after the decimal
point so that numbers like `.1' or `21.' evoke the second diagnostic.
-.Tp panic:
-.Em Some message
+.It panic: Em Some message
Indicates an internal inconsistency detected in
Indicates an internal inconsistency detected in
probably due to a Pascal system bug.
probably due to a Pascal system bug.
-.Tp
-.Sh AUTHORS
-Charles B. Haley, William Joy, and Ken Thompson
-.br
-VAX-11 version by Kirk McKusick
-.Nm Px
-appeared in 3 BSD.
+.Nm \&Px
+appeared in
+.Bx 3.0 .
.Sh BUGS
Post-mortem traceback is not limited;
infinite recursion leads to almost infinite traceback.
.Sh BUGS
Post-mortem traceback is not limited;
infinite recursion leads to almost infinite traceback.