INTERCAL manual. The culprits have sensibly declined to identify themselves .) INTERCAL was inspired by one ambition: to have a compiler language which. Donor challenge: Your generous donation will be matched 2-to-1 right now. Your $5 becomes $15! Dear Internet Archive Supporter,. I ask only. The inventors of INTERCAL implemented it, had a few laughs, and quickly forgot about it. However, the language manual lived on. The documentation itself was.

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Braced expressions, which must be written purely in C, add extra conditions; they must return nonzero to allow a possible match or zero to prevent one. Commons category link from Wikidata. All non-abstained commands on line LINE become abstained from once. This error happens at compile time, at least for illegal variable numbers.

This error occurs at compile-time if a file type was requested for which the required libraries are unavailable. FORGET is the worst of all in terms of preserving data on the stack; it deallocates alloca data and clobbers or deletes auto variables in all function invocations that have come into existence since the NEXT that created the topmost remaining NEXT stack entry was called, or since the start of the program if the NEXT stack is emptied, and the current function will continue in a new invocation.

Befunge, no external library:. All other files, though including the man pages, which are not part of this manualare licensed under the GPL. This is a very easy restriction to get around, because changing the values of such variables is quite difficult without using statically-allocated pointers to point to them a dubious practice in any caseand volatile is trivial to add to the declaration.

This is a pretty arbitrary distinction, but people who write the intetcal are entitled to arbitrary distinctions. For more information, see External Calls.

The INTERCAL Resources Page

This is a debug-time error caused when you give too much input to the debugger when all it manuap was to know what you wanted to do next. If the -a option is not used, this command does nothing; otherwise, the value of the argument will be set to the integer. Note that here the program is being translated to the syntax that is not default for the target compiler.


A signature consists of a sequence of characters and is represented as a null-terminated string; the runtime makes a shallow copy of the string and keeps it until the end of the program, so arrangements must be made to ensure that the storage in which the string is allocated stays around that long, but this opens up interesting possibilities in which the signature that was actually CREATE d can be modified retroactively ; whitespace is not allowed in a signature.

The compiler just noticed that it manuall a buffer overflow. This error happens at run time.

From Wikipedia, the free encyclopedia. It is also commonly used in expressions that need to produce bit results; except in some simple cases, this is usually coded by calculating separately the odd-numbered and even-numbered ibtercal of the result, and mingling them together at the end. This error happens at compile time. One common idiom is to write code like this:. For instance, this is a valid line label:.

Such operators are always binary operators that is, they take two arguments and parse like mingle or selectand always return bit results. C, stopping after C is generated:. However, parties who have received copies, or rights, from you under this License will not inteecal their licenses terminated so long as such parties remain in full compliance. Whatever language your source files are written in, when -e is used see -ethe compiler will go through much the same steps.

The combined work need only contain one copy of this License, and multiple identical Invariant Sections may be replaced with a single copy. There is no operator precedence; grouping marks must be used to disambiguate the precedence where it would otherwise be ambiguous the grouping marks available are ‘ “spark”which matches another spark, and ” “rabbit ears”which matches another rabbit ears; the programmer is responsible for using these in such a way that they make the expression unambiguous.


However, the present optimizer is incapable of recognising whether this problem exists or not, so the warning is not currently implemented. For instance, this is a legal but not particularly useful INTERCAL program with no syntax errors that shows some of the syntaxes possible with array subscripting:.

The fact that the general format conforms to IEEE at all is due to sheer pragmatism. Either the label or the statement identifier, whichever one comes first, marks where the preceding statement finishes.

They all take unsigned longs as input and output, even if they are onespot operators. Therefore, it is not portable to refer to the set of all syntax errors by gerund; using a line label is a more portable way to refer to an individual syntax-error command.

Only one interczl of Ingercal Text and one of Back-Cover Text may be added by or through arrangements made by any one entity. Brainfuck — A Turing-complete language in just eight instructions.

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Whether the behaviour is self-abstention or self-reinstatement depends on whether the statement was initially abstained or not; a ONCE on an initially reinstated statement or AGAIN on an initially abstained statement indicates a self-abstention, and a ONCE on an initially abstained statement or AGAIN on an initially reinstated statement indicates a self-reinstatement.

This should never come up, either at compile time or at run time. Atari syntax is used throughout this manual; you could convert from that, assuming infercal have an ASCII table handy. We don’t need no steenking data structures!

There are various command line options that can be used to tell ick whether and in what ways to optimize code. Continues execution until the end of the program or a breakpoint: