.\" SCCSID: @(#)px.1	8.1	9/11/90.TH px 1 VAX.SH Namepx \- Pascal code executor.SH Syntax.B px[\|\fIobj\|\fR[\fIargument...\fR\|]\|].SH Description.NXR "px command".NXR "Pascal program" "interpreting".NXS "Pascal interpreter" "px command".NXA "px command" "pi code translator".NXA "px command" "pix command".NXA "pi code translator" "px command"The.PN pxcommand interprets the abstract machine code generated by.PN pi .The first argument is the file to be interpreted, and defaultsto.IR obj \|;remaining arguments are available to the Pascal program using thebuilt-ins.I argvand.I argc.The.PN pxcommand is also invoked by.PN pixwhen running `load and go'..PPIf the program terminates abnormally an error message and a control flow backtrace are printed.The number of statements executed and total execution timeare printed after normal termination.The.B poption of.PN pisuppresses all of this except the message indicating the causeof abnormal termination..SH RestrictionsPost-mortem traceback is not limited;infinite recursion leads to almost infinite traceback..SH DiagnosticsMost run-time error messages are self-explanatory.Some of the more unusual ones are:.HP 6Reference to an inactive file.brA file other than.I inputor.I outputwas used before a call to.I resetor.I rewrite..HP 6Statement count limit exceeded.brThe limit of 500,000 executed statements(which prevents excessive looping or recursion)has been exceeded..HP 6Bad data found on integer read.br.ns.HP 6Bad data found on real read.brUsually, non-numeric input was found for a number.For reals, Pascal requires digits before and after the decimalpoint so that numbers like `.1' or `21.' evoke the second diagnostic..HP 6panic:.I  "Some message".brIndicates a internal inconsistency detected in.PN pxprobably due to a Pascal system bug..SH Files.DTobj		default object file.brpmon.out	profile data file.SH See Alsopi(1), pix(1).br"Berkeley Pascal User's Manual,"\fISupplementary Documents, Volume 2: Programmer\fP