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ISLE language reference: move subsection to proper section. (#4087)

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In #4072 I mistakenly put the subsection about if-let clauses in the
language doc just below the next section header, so it's in the wrong
section ("mapping to Rust"). This moves it back upward to where it
should be. Sorry about that!
This commit is contained in:
Chris Fallin
2022-04-29 10:35:03 -07:00
committed by GitHub
parent 3dbdcfa220
commit c7e2c21bb2
1 changed files with 8 additions and 8 deletions
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16
cranelift/isle/docs/language-reference.md
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@@ -941,14 +941,6 @@ A term can have:
4. A single external constructor binding (see next section).
## ISLE to Rust
Now that we have described the core ISLE language, we will document
how it interacts with Rust code. We consider these interactions to be
semantically as important as the core language: they are not
implementation details, but rather, a well-defined interface by which
ISLE can interface with the outside world (an "FFI" of sorts).
### If-Let Clauses
As an extension to the basic left-hand-side / right-hand-side rule
@@ -1061,6 +1053,14 @@ following shorthand notation using `if` instead:
(isa_special_inst ...))
```
## ISLE to Rust
Now that we have described the core ISLE language, we will document
how it interacts with Rust code. We consider these interactions to be
semantically as important as the core language: they are not
implementation details, but rather, a well-defined interface by which
ISLE can interface with the outside world (an "FFI" of sorts).
### Mapping to Rust: Constructors, Functions, and Control Flow
ISLE was designed to have a simple, easy-to-understand mapping from