Inform 7 编程语言的核心软件分发。
Version: 10.2.0-beta+6Y13 'Krypton' (24 June 2026)
Inform is a programming language for creating interactive fiction, using natural language syntax. Using natural language and drawing on ideas from linguistics and from literate programming, Inform is widely used as a medium for literary writing, as a prototyping tool in the games industry, and in education, both at school and university level (where Inform is often assigned material for courses on digital narrative). It has several times ranked in the top 100 most influential programming languages according to the TIOBE index. Created in April 2006, it was open-sourced in April 2022.
Inform is itself a literate program (written with inweb), one of the largest in the world. This means that a human-readable form of the code is continuously maintained alongside it: see ★ Inform: The Program
Software in this repository is copyright Graham Nelson 2006-2022 except where otherwise stated, and available under the Artistic License 2.0.
| To consult... | Turn to... |
|---|---|
| Brief news about ongoing work | notes/working_notes.md |
| Licencing and copyright policy | notes/copyright.md |
| Branching and versioning policy | notes/versioning.md |
| Language evolution policy | https://github.com/ganelson/inform-evolution |
| Version history and release notes | notes/version_history.md |
| Pending changes not yet released | notes/release/pending.md |
This is the "core Inform" repository, holding source code for the compiler, and for everything needed to run it on the command line. However:
Caution: The main branch of this repository generally holds "unstable", that is,
unreleased work-in-progress versions of Inform. See notes/versioning.md.
Make a directory in which to work: let's call this work. Then:
work: cd workwork/inweb: see its repository herework/intest: see its repository herework/inform: git clone https://github.com/ganelson/inform.gitcd informbash scripts/first.shinblorb/Tangled/inblorb -help../intest/Tangled/intest inform7 -show Acidity.make check
to run the full suite of 2500 test cases.Caution again: inform7 is written in standard C99, but is a challengingly
large task for a C compiler. In the past we have had difficulties using gcc to
compile it, and although we believe these may now be resolved, we recommend compiling
the core Inform tools with clang rather than gcc where possible.
The 2006-2021 Inform bug tracker, powered by Mantis, has now closed, and its issues and comments have been migrated to a a Jira tracker. The curator of the bug tracker is Brian Rushton, and the administrator is Hugo Labrande.
Note that Inweb and Intest have their own bug trackers (here and here). Please do not report bugs on those to the Inform tracker, or vice versa.
Members of the Inform community are welcome to open pull requests on this repository to address minor issues - for example, to fix bugs at the tracker, or to correct clear-cut typos or other errors. Contributions of this sort do not need an Inform Evolution proposal, but anything on a larger scale is likely to.
"I can't help feeling that if someone had asked me before the universe began how it would turn out, I should have guessed something a bit less like an old curiosity shop and a bit more like a formal French garden - an orderly arrangement of straight avenues, circular walks, and geometrically shaped trees and hedges." (Michael Frayn)
Inform is not a single program, but an assemblage of programs and resources. Some, including the inform7 compiler itself, are "literate programs", also called "webs". The notation ★ marks these, and links are provided to their human-readable forms.
This most important contents of this repository are the source webs for the following command-line tools:
The following webs are the source for the two most important extensions shipped with Inform:
The following webs are the source for kits of Inter code shipped with Inform (inside the Basic Inform and Standard Rules extensions). Kits are libraries of code needed at run-time, and whose source is written in Inform 6 notation:
These are templates used by Inform to release story files within a website:
These are Javascript interpreters used to release such websites in a form which can play the story files interactively online:
Two books come with the Inform apps. The source code for these books is in Markdown format: the inbuild tool makes those into mini-websites, or the pseudo-websites inside the apps.
In addition, there are:
New in 2022 is the ability for apps to use past instead of present versions of the core Inform software when compiling a project. This means the core software distribution needs to contain some form of those past versions - at minimum, the extensions and compiler tools for (say) versions 9.1, 9.2 and 9.3.
That material is held in the "retrospective" directory. Note that documentation from past versions (e.g., past versions of "Writing with Inform") is not included.
Stable versions of the following are periodically copied into this repository, but this is not where development on them is done, and no pull requests will be accep
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