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<TITLE>The Perl INTERCAL compiler</TITLE>
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<H1>The Perl INTERCAL compiler</H1>
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<H2>... The Integrated Programming Environment</H2>
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Starting from CLC-INTERCAL 1.-94, the preferred method to compile
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programs is to use the Integrated Programming Environment, <I>sick</I>
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(which stands for <I>S</I>uperior <I>I</I>NTERCAL <I>C</I>ompiler
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<I>K</I>luge). A program compatible with the old "oo, ick" is
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planned and will be made available if and when.
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<I>sick</I> requires CLC-INTERCAL 1.-94 and newer. It won't work with
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There are several ways to invoke <I>sick</I>, depending on what one intends
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to do with it. Without arguments, it starts the GUI programming environment
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(which does not require a GUI - a terminal with cursor addressing is quite
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sufficient, although the program works best when running under X-Windows).
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With arguments, the GUI might or might not starts. depending on the particular
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combination of options (and the amplitudes of the internal quantum states
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which are superposed at the time the decision is made).
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The arguments on the command line are either options (in the form
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<I>--name</I><CODE>=</CODE><I>value</I>), or filenames. If a filename is
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encountered, it is immediately compiled with the options which precede it in
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the command line. After processing the command line, if any program has been
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compiled they are all saved or executed, depending on options. If no programs
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need to be saved, a user interface is started instead.
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The options are currently only documented as POD in the Perl code.
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Use "perldoc sick" to see it.
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If <I>sick</I> is invoked from within itself (from the GUI), the defaults
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will be the set of options in force at the time of invocation.
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When compiling a file, the suffix determines what compiler to use.
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The following are currently recognised:
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<TR><TH>suffix</TH><TH>language</TH></TR>
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<TR><TD>.i</TD><TD>CLC-INTERCAL</TD></TR>
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<TR><TD>.clci</TD><TD>CLC-INTERCAL</TD></TR>
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<TR><TD>.si</TD><TD>CLC-INTERCAL with SYSCALL</TD></TR>
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<TR><TD>.ni</TD><TD>CLC-INTERCAL with NEXT</TD></TR>
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<TR><TD>.gi</TD><TD>CLC-INTERCAL with COME FROM GERUND</TD></TR>
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<TR><TD>.ci</TD><TD>C-INTERCAL</TD></TR>
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<TR><TD>.ti</TD><TD>Threaded-INTERCAL</TD></TR>
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<TR><TD>.1972</TD><TD>Traditional INTERCAL (1972 compiler)</TD></TR>
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Some of them can be combined: for example, ".ngi" is "CLC-INTERCAL with NEXT
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and COME FROM GERUND".
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In addition, a digit between 2 and 7 just after the period specifies the base
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(the exception is ".1972", which does not allow a base).
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The actual list of suffixes understood is specified in the file
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<CODE>system.sicrc</CODE> or <CODE>.sickrc</CODE> and can be changed
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by the user (or the system administrator). The above is the default as
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To override the defauls, use "--preload". For example, to compile
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"program.i" as a C-INTERCAL program use:
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sick --preload=ick --preload=postpre program.i
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To compile the same as a Threaded INTERCAL source:
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sick --preload=thick --preload=postpre program.i
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The list of "preloads" to specify can be obtained by inspecting the
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<CODE>system.sickrc</CODE> file.
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