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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Interccal the case that the corresponding expression is not a variable, this will attempt to perform a reverse assignment to the expression, and can produce ordinary INTERCAL errors if it fails. In addition, you must do these things in the Modified Version:. Befunge, no external library:. If you are using NEXT s like procedures, then this effectively means that the procedure will run until it returns. Whitespace is ingercal insignificant in INTERCAL programs; it cannot be added in the middle of a keyword unless the keyword contains whitespace itself or inside a decimal number, but it can be added more or less anywhere else, and it can be removed from anywhere in the program as well.

Abandon All Sanity, Ye Who Enter Here

You could send them to me, but it might be better to post to alt. This page was last edited on 16 Juneat Both covers must also clearly and legibly identify you as the publisher of these copies.

This is the main debugging option: 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.

In versions after 0.

Welcome to the Pit!

The effect would be no less devastating for the programmer having been correct. When inside a loop, r is the value of the loop counter. The main statement identifier is DO. The exception is the ampersand: In contrast to ordinary line labels, an expression can be used rather than just a constant; however, the behaviour is undefined if the expression has side-effects. Another possibility that might stop this process working is if your version of the relevant software is incompatible with the GNU nitercal that were used for testing.

The traditional “Hello, world!

Differences to Other Compilers. There is one exception, in that if two or more left-hand commands end in a space of time in which no right-hand commands for that WHILE ends, they together only cause one right-hand command to end.


All other files, though including the man pages, which are not part of this manualare licensed under the GPL. During speculative excution to find line labels, pops the top of the stack and ends that particular speculative execution as a failure. Note that enabling it carries a run-time penalty, as it means that operand overloading code has to be generated for every variable in the program.

This warning is meant to jntercal such mistakes, but is not currently implemented. This License applies to any manual or other untercal, in any medium, that contains a notice placed by the copyright holder saying it can be distributed under the terms of this License.

Note that it may give some compiler warnings on compilation; my experience is that warnings about C99 inlining can be safely ignored they reflect a deficiency in gcc itself that luckily seems to be irrelevant in this casebut other warnings may indicate problems in the exact versions of the sources that you downloaded and errors definitely indicate such problems.

This option tells the compiler to optimize the output for speed.

When multiple overloading rules are in effect, they are all applied; overloading. The language designed to be Turing-complete but as fundamentally unlike any existing language as possible. If you use the latter option, you must take reasonably prudent steps, when you begin distribution of Opaque copies in quantity, to intercall that this Transparent copy will remain thus accessible maunal the stated location until at least one year after the last time you distribute an Opaque copy directly or through your agents or retailers of that edition to the public.

This only makes a difference in some cases involving unary operators. The following values for inputset and outputset are permissible:. However, there are certain steps that can be taken to transfer less advanced programs from one compiler to the other.

We have designed this License in order to use it for manuals for free software, because free software needs free documentation: This error happens at compile time.

INTERCAL: Welcome to the Pit

The main reason to use this library is to increase the speed of an INTERCAL program; however, note that the speed gains ,anual arithmetic will be accompanied by the performance penalty maual using the external calls infrastructure, unless you were already using it.

The original multithreading implementation worked by giving a new meaning to what was previously an error condition. The formats used for input and output are, however, different from each other and from the formats used by most mainstream languages. Loops must be placed around idioms, but inside a group of idioms.

Note that the libraries libick.

This options causes the command line to be displayed for all calls to other programs that ick makes mostly to gcc ; it is therefore useful for debugging problems with the command lines used when mannual the external calls system see External Calls. However, the only software absolutely required is a C compiler C-INTERCAL was designed janual work with gcc and is tested mostly with that compiler, but in theory it should work with other C compilers too, and this is tested on occasion and the associated software itnercal to compile C files to object files and executables, combine object files manuak libraries, etc.


Trying to remove no items, or more items than there are in the stack, does not cause an error when FORGET is used no items or all the items are removed respectively ; however, both of these cases are errors in a RESUME statement. Bracketing of expressions can be done with parentheses, sparks apostrophes or rabbit-ears double-quotes. Atari syntax is used throughout this manual; you could convert from that, assuming you have an ASCII table handy. The intercap and commenting strategy are among the “weird” features described:.

There are two forms of each, one which takes a single line label which must be constant in most compilers, but can instead be an expression in recent CLC-INTERCAL versionsand one which takes an intersection-delimited list of gerunds. In keeping with the best C traditions, these caveats are not checked, but instead result in undefined behaviour if breached. Note that the output options may manuql depending on the other options selected; for instance, many of the debug options will prevent the code being compiled all the way to an intwrcal.

The -e command-line option see -e makes this error into a run-time error, because it allows NEXT commands to dynamically change targets at runtime, as well as line labels to dynamically change values, and thus the error is impossible to detect at compile time.

The manual also contains a ” tonsil “, as explained in this footnote: You eat assemblers for breakfast. Funge, no external library:.

Princeton and Atari Syntax. This causes the current thread to unweave from all other threads and then replace itself with the thread created by the choicepoint on top of the choicepoint stack. It is a well-known and oft-demonstrated fact that a person whose work is incomprehensible is held in high esteem. The onespot and twospot ranges become the highest number of trits or other digits in the base required that fit inside the binary ranges, so for instance, the maximum value of a onespot variable in ternary isor 3 to the power manuwl minus 1.