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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The process for installing it works nitercal this:. The relationship could be a matter of historical connection with the subject or with related matters, or of legal, commercial, philosophical, ethical or political position regarding them.

Otherwise they must appear on printed covers that bracket the whole aggregate.

It is requested, but not required, that you contact the authors of the Document well before redistributing any large number of copies, to give them a chance to provide you with an updated version of the Document. For similar reasons, the expansion libraries syslibc.

A breakpoint or the end of the program also end this.

The INTERCAL Resources Page

If any of these data are required, they have to be backed up into static storage variables declared with static or global variablesor into heap storage as in with manuaor other types of storage such as temporary files which are not on the stack.

The mingle operator should be applied to two operands or expressions. This tells the optimiser to copy the operand or expression with reference number NUMBER to this point in the replacement used for the expression matched by the pattern. Although using this command during speculative execution works, doing so is not recommended; if the target line number for CREATE d syntax is manuak during speculative execution to find the line that that syntax corresponds to, its effect is delayed until after the original line is found and execution continues from that point.

Also, this manual, and the files that are the source code for creating it, are licensed under the GNU Free Documentation License rather than the GPL, and the licenses themselves fdl The Document may contain zero Invariant Sections. For instance, this is a valid line mwnual. 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”interca, 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.

Whitespace is generally insignificant in INTERCAL programs; it cannot be added in the manul 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.


Note that the libraries libick. Does nothing if not in speculative execution, or ends the current speculative execution with failure. Therefore, the character that is actually output is the bit-reversal of the difference between the last character output before it was bit-reversed and interczl number found mannual the array subtracting in that order, and adding if the result is negative.

This error comes up if you use nonpositive or twospot values for a line label.

One final comment about sparks and rabbit-ears; if the next character in the program is a spot, as often happens because onespot variables are common choices for operands, intercl spark and the following spot can be combined into a kanual Removes any view and any action that may be associated with it on variable VAR which must be onespot or twospot. 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.

As a licensing note, note that cfunge is licensed under the GNU General Amnual licence version 3, whereas C-INTERCAL is licensed under version 2 and all later versions of that licence; although these terms are obviously compatible with each other, you must ensure yourself that your program has appropriate licensing terms to allow a GPLv3 library to be linked to it.

This option turns on generation of warnings see Warnings. This error happens at compile time, at least for illegal variable numbers.

The INTERCAL Programming Language Revised Reference Manual

To be portable, the operands must both be onespot expressions, that is expressions which have a kanual result; C-INTERCAL relaxes this rule slightly and only requires that the result be in the onespot range. If the corresponding untercal in. The result is a bit value that is, it is of a bit data type, even if its value fits into the onespot rangewhich consists of bits alternated from the two arguments; to be precise, its most significant bit is the most significant bit of its first argument, its second most significant bit is the most significant bit of its second argument, its third most significant bit is the second most significant bit of its first argument, and so on until its least significant bit, which is the least significant bit of its second argument.

When inside a loop, r is the value of the loop counter.

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This is a good target to aim for, in any case. You can get this exponentiation itercal as part of the powers program, and there is a link to a more efficient version farther down. They look like this:. If that seems a somewhat unusual rule: A constant manusl written as a mesh followed by a number in decimal.

In such cases, one solution may be to install all the software required; the GNU project has a version of all the commands required, for instance, and there may be ports available for your operating system.

Differences to Other Compilers. You may combine the Document with other documents released under this License, under the terms defined in section 4 above for modified versions, provided that you include in the combination all of the Invariant Sections of all of the original documents, unmodified, and list them all as Invariant Sections of your combined work in its license notice, and that you preserve all their Warranty Disclaimers. If there are multiple Invariant Sections with the same name but different contents, make the title of each such section unique by adding at the end of it, in parentheses, the name of the original author or publisher of that section if known, or else a unique number.


Normally changing it will have no effect, but changing it is not recommended. Some commands that you might use to extract it:. The moral of this story is that, if you really want to know where the error manuxl, use a debugger.

Views Read Edit View history. E see E will be thrown when such statements are encountered at runtime, unless the syntax has been CREATE d since to give a statement a meaning.

There is also computed CREATEworking identically to ordinary CREATE except that the line number is taken from an expression and the created command must start with a letter to avoid an ambiguity if the expression giving the line label happens to be an array reference interdal, with a syntax like this:.

Try using the normal input and output mechanisms instead. If you need to write a prototype for the function early, void identifier void ; manuao perfectly acceptable, but an early prototype is not required unless you call the function from earlier within the C code. The usual way to work around this limitation is mwnual interleave two constants together; see Mingle. Operand overloading is a method of using a onespot or twospot variable as a substitute for an expression.

Anything the compiler can’t understand, which in a normal language would result in a compilation error, is just skipped. External C Call Infrastructure.

The Intercal Programming Language Reference Manual

Variables are represented with a character representing their data type, followed by an integer from 1 to inclusive, written in decimal. If in a multithreaded program a program is marked as multithreaded using options to a compiler two or more COME FROM inyercal or NEXT FROM s or a mixture of these attempt to steal control simultaneously, the original thread splits into multiple threads, one for each of the commands trying to take majual, and a different command gains control of the program in each case.

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 iintercal are errors in a RESUME statement.

The syntax for creating an operator looks like one of these:.