rust
This commit is contained in:
Michael Zhang
parent
4ea1071ca1
commit
d674c92199
GPG key ID:
BDA47A31A3C8EE6B
28 changed files with 765 additions and 1080 deletions
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.gitignore
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_build
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# Added by cargo
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/target
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# Added by cargo
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#
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# already existing elements were commented out
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#/target
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640
Cargo.lock
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Cargo.lock
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checksum = "62f25bc4c7e55e0b0b7a1d43fb893f4fa1361d0abe38b9ce4f323c2adfe6ef42"
|
||||
dependencies = [
|
||||
"bitflags",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "redox_users"
|
||||
version = "0.4.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b033d837a7cf162d7993aded9304e30a83213c648b6e389db233191f891e5c2b"
|
||||
dependencies = [
|
||||
"getrandom",
|
||||
"redox_syscall",
|
||||
"thiserror",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "regex"
|
||||
version = "1.5.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1a11647b6b25ff05a515cb92c365cec08801e83423a235b51e231e1808747286"
|
||||
dependencies = [
|
||||
"aho-corasick",
|
||||
"memchr",
|
||||
"regex-syntax",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "regex-syntax"
|
||||
version = "0.6.25"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
|
||||
|
||||
[[package]]
|
||||
name = "rustversion"
|
||||
version = "1.0.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f2cc38e8fa666e2de3c4aba7edeb5ffc5246c1c2ed0e3d17e560aeeba736b23f"
|
||||
|
||||
[[package]]
|
||||
name = "scopeguard"
|
||||
version = "1.1.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
|
||||
|
||||
[[package]]
|
||||
name = "siphasher"
|
||||
version = "0.3.10"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7bd3e3206899af3f8b12af284fafc038cc1dc2b41d1b89dd17297221c5d225de"
|
||||
|
||||
[[package]]
|
||||
name = "smallvec"
|
||||
version = "1.8.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f2dd574626839106c320a323308629dcb1acfc96e32a8cba364ddc61ac23ee83"
|
||||
|
||||
[[package]]
|
||||
name = "string_cache"
|
||||
version = "0.8.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "213494b7a2b503146286049378ce02b482200519accc31872ee8be91fa820a08"
|
||||
dependencies = [
|
||||
"new_debug_unreachable",
|
||||
"once_cell",
|
||||
"parking_lot",
|
||||
"phf_shared",
|
||||
"precomputed-hash",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "strsim"
|
||||
version = "0.10.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "1.0.90"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "704df27628939572cd88d33f171cd6f896f4eaca85252c6e0a72d8d8287ee86f"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"unicode-xid",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "term"
|
||||
version = "0.7.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "c59df8ac95d96ff9bede18eb7300b0fda5e5d8d90960e76f8e14ae765eedbf1f"
|
||||
dependencies = [
|
||||
"dirs-next",
|
||||
"rustversion",
|
||||
"winapi",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "termcolor"
|
||||
version = "1.1.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "bab24d30b911b2376f3a13cc2cd443142f0c81dda04c118693e35b3835757755"
|
||||
dependencies = [
|
||||
"winapi-util",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "textwrap"
|
||||
version = "0.15.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b1141d4d61095b28419e22cb0bbf02755f5e54e0526f97f1e3d1d160e60885fb"
|
||||
|
||||
[[package]]
|
||||
name = "thiserror"
|
||||
version = "1.0.30"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "854babe52e4df1653706b98fcfc05843010039b406875930a70e4d9644e5c417"
|
||||
dependencies = [
|
||||
"thiserror-impl",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "thiserror-impl"
|
||||
version = "1.0.30"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "aa32fd3f627f367fe16f893e2597ae3c05020f8bba2666a4e6ea73d377e5714b"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tiny-keccak"
|
||||
version = "2.0.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2c9d3793400a45f954c52e73d068316d76b6f4e36977e3fcebb13a2721e80237"
|
||||
dependencies = [
|
||||
"crunchy",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "unicode-xid"
|
||||
version = "0.2.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
|
||||
|
||||
[[package]]
|
||||
name = "version_check"
|
||||
version = "0.9.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
|
||||
|
||||
[[package]]
|
||||
name = "wasi"
|
||||
version = "0.10.2+wasi-snapshot-preview1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.3.9"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
|
||||
dependencies = [
|
||||
"winapi-i686-pc-windows-gnu",
|
||||
"winapi-x86_64-pc-windows-gnu",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi-i686-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||
|
||||
[[package]]
|
||||
name = "winapi-util"
|
||||
version = "0.1.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
|
||||
dependencies = [
|
||||
"winapi",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi-x86_64-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||
|
||||
[[package]]
|
||||
name = "windows-sys"
|
||||
version = "0.34.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5acdd78cb4ba54c0045ac14f62d8f94a03d10047904ae2a40afa1e99d8f70825"
|
||||
dependencies = [
|
||||
"windows_aarch64_msvc",
|
||||
"windows_i686_gnu",
|
||||
"windows_i686_msvc",
|
||||
"windows_x86_64_gnu",
|
||||
"windows_x86_64_msvc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_msvc"
|
||||
version = "0.34.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "17cffbe740121affb56fad0fc0e421804adf0ae00891205213b5cecd30db881d"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnu"
|
||||
version = "0.34.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2564fde759adb79129d9b4f54be42b32c89970c18ebf93124ca8870a498688ed"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_msvc"
|
||||
version = "0.34.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9cd9d32ba70453522332c14d38814bceeb747d80b3958676007acadd7e166956"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnu"
|
||||
version = "0.34.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "cfce6deae227ee8d356d19effc141a509cc503dfd1f850622ec4b0f84428e1f4"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_msvc"
|
||||
version = "0.34.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d19538ccc21819d01deaf88d6a17eae6596a12e9aafdbb97916fb49896d89de9"
|
||||
12
Cargo.toml
Normal file
12
Cargo.toml
Normal file
|
|
@ -0,0 +1,12 @@
|
|||
[package]
|
||||
name = "e0"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
|
||||
[dependencies]
|
||||
anyhow = "1.0.56"
|
||||
clap = { version = "3.1.8", features = ["derive"] }
|
||||
lalrpop-util = { version = "0.19.7", features = ["lexer"] }
|
||||
|
||||
[build-dependencies]
|
||||
lalrpop = "0.19.7"
|
||||
6
Justfile
6
Justfile
|
|
@ -1,6 +0,0 @@
|
|||
example:
|
||||
dune build
|
||||
dune exec e0 < examples/basic.e0
|
||||
|
||||
fmt:
|
||||
fd -e ml | xargs ocamlformat -i
|
||||
675
LICENSE.md
675
LICENSE.md
|
|
@ -1,675 +0,0 @@
|
|||
### GNU GENERAL PUBLIC LICENSE
|
||||
|
||||
Version 3, 29 June 2007
|
||||
|
||||
Copyright (C) 2007 Free Software Foundation, Inc.
|
||||
<https://fsf.org/>
|
||||
|
||||
Everyone is permitted to copy and distribute verbatim copies of this
|
||||
license document, but changing it is not allowed.
|
||||
|
||||
### Preamble
|
||||
|
||||
The GNU General Public License is a free, copyleft license for
|
||||
software and other kinds of works.
|
||||
|
||||
The licenses for most software and other practical works are designed
|
||||
to take away your freedom to share and change the works. By contrast,
|
||||
the GNU General Public License is intended to guarantee your freedom
|
||||
to share and change all versions of a program--to make sure it remains
|
||||
free software for all its users. We, the Free Software Foundation, use
|
||||
the GNU General Public License for most of our software; it applies
|
||||
also to any other work released this way by its authors. You can apply
|
||||
it to your programs, too.
|
||||
|
||||
When we speak of free software, we are referring to freedom, not
|
||||
price. Our General Public Licenses are designed to make sure that you
|
||||
have the freedom to distribute copies of free software (and charge for
|
||||
them if you wish), that you receive source code or can get it if you
|
||||
want it, that you can change the software or use pieces of it in new
|
||||
free programs, and that you know you can do these things.
|
||||
|
||||
To protect your rights, we need to prevent others from denying you
|
||||
these rights or asking you to surrender the rights. Therefore, you
|
||||
have certain responsibilities if you distribute copies of the
|
||||
software, or if you modify it: responsibilities to respect the freedom
|
||||
of others.
|
||||
|
||||
For example, if you distribute copies of such a program, whether
|
||||
gratis or for a fee, you must pass on to the recipients the same
|
||||
freedoms that you received. You must make sure that they, too, receive
|
||||
or can get the source code. And you must show them these terms so they
|
||||
know their rights.
|
||||
|
||||
Developers that use the GNU GPL protect your rights with two steps:
|
||||
(1) assert copyright on the software, and (2) offer you this License
|
||||
giving you legal permission to copy, distribute and/or modify it.
|
||||
|
||||
For the developers' and authors' protection, the GPL clearly explains
|
||||
that there is no warranty for this free software. For both users' and
|
||||
authors' sake, the GPL requires that modified versions be marked as
|
||||
changed, so that their problems will not be attributed erroneously to
|
||||
authors of previous versions.
|
||||
|
||||
Some devices are designed to deny users access to install or run
|
||||
modified versions of the software inside them, although the
|
||||
manufacturer can do so. This is fundamentally incompatible with the
|
||||
aim of protecting users' freedom to change the software. The
|
||||
systematic pattern of such abuse occurs in the area of products for
|
||||
individuals to use, which is precisely where it is most unacceptable.
|
||||
Therefore, we have designed this version of the GPL to prohibit the
|
||||
practice for those products. If such problems arise substantially in
|
||||
other domains, we stand ready to extend this provision to those
|
||||
domains in future versions of the GPL, as needed to protect the
|
||||
freedom of users.
|
||||
|
||||
Finally, every program is threatened constantly by software patents.
|
||||
States should not allow patents to restrict development and use of
|
||||
software on general-purpose computers, but in those that do, we wish
|
||||
to avoid the special danger that patents applied to a free program
|
||||
could make it effectively proprietary. To prevent this, the GPL
|
||||
assures that patents cannot be used to render the program non-free.
|
||||
|
||||
The precise terms and conditions for copying, distribution and
|
||||
modification follow.
|
||||
|
||||
### TERMS AND CONDITIONS
|
||||
|
||||
#### 0. Definitions.
|
||||
|
||||
"This License" refers to version 3 of the GNU General Public License.
|
||||
|
||||
"Copyright" also means copyright-like laws that apply to other kinds
|
||||
of works, such as semiconductor masks.
|
||||
|
||||
"The Program" refers to any copyrightable work licensed under this
|
||||
License. Each licensee is addressed as "you". "Licensees" and
|
||||
"recipients" may be individuals or organizations.
|
||||
|
||||
To "modify" a work means to copy from or adapt all or part of the work
|
||||
in a fashion requiring copyright permission, other than the making of
|
||||
an exact copy. The resulting work is called a "modified version" of
|
||||
the earlier work or a work "based on" the earlier work.
|
||||
|
||||
A "covered work" means either the unmodified Program or a work based
|
||||
on the Program.
|
||||
|
||||
To "propagate" a work means to do anything with it that, without
|
||||
permission, would make you directly or secondarily liable for
|
||||
infringement under applicable copyright law, except executing it on a
|
||||
computer or modifying a private copy. Propagation includes copying,
|
||||
distribution (with or without modification), making available to the
|
||||
public, and in some countries other activities as well.
|
||||
|
||||
To "convey" a work means any kind of propagation that enables other
|
||||
parties to make or receive copies. Mere interaction with a user
|
||||
through a computer network, with no transfer of a copy, is not
|
||||
conveying.
|
||||
|
||||
An interactive user interface displays "Appropriate Legal Notices" to
|
||||
the extent that it includes a convenient and prominently visible
|
||||
feature that (1) displays an appropriate copyright notice, and (2)
|
||||
tells the user that there is no warranty for the work (except to the
|
||||
extent that warranties are provided), that licensees may convey the
|
||||
work under this License, and how to view a copy of this License. If
|
||||
the interface presents a list of user commands or options, such as a
|
||||
menu, a prominent item in the list meets this criterion.
|
||||
|
||||
#### 1. Source Code.
|
||||
|
||||
The "source code" for a work means the preferred form of the work for
|
||||
making modifications to it. "Object code" means any non-source form of
|
||||
a work.
|
||||
|
||||
A "Standard Interface" means an interface that either is an official
|
||||
standard defined by a recognized standards body, or, in the case of
|
||||
interfaces specified for a particular programming language, one that
|
||||
is widely used among developers working in that language.
|
||||
|
||||
The "System Libraries" of an executable work include anything, other
|
||||
than the work as a whole, that (a) is included in the normal form of
|
||||
packaging a Major Component, but which is not part of that Major
|
||||
Component, and (b) serves only to enable use of the work with that
|
||||
Major Component, or to implement a Standard Interface for which an
|
||||
implementation is available to the public in source code form. A
|
||||
"Major Component", in this context, means a major essential component
|
||||
(kernel, window system, and so on) of the specific operating system
|
||||
(if any) on which the executable work runs, or a compiler used to
|
||||
produce the work, or an object code interpreter used to run it.
|
||||
|
||||
The "Corresponding Source" for a work in object code form means all
|
||||
the source code needed to generate, install, and (for an executable
|
||||
work) run the object code and to modify the work, including scripts to
|
||||
control those activities. However, it does not include the work's
|
||||
System Libraries, or general-purpose tools or generally available free
|
||||
programs which are used unmodified in performing those activities but
|
||||
which are not part of the work. For example, Corresponding Source
|
||||
includes interface definition files associated with source files for
|
||||
the work, and the source code for shared libraries and dynamically
|
||||
linked subprograms that the work is specifically designed to require,
|
||||
such as by intimate data communication or control flow between those
|
||||
subprograms and other parts of the work.
|
||||
|
||||
The Corresponding Source need not include anything that users can
|
||||
regenerate automatically from other parts of the Corresponding Source.
|
||||
|
||||
The Corresponding Source for a work in source code form is that same
|
||||
work.
|
||||
|
||||
#### 2. Basic Permissions.
|
||||
|
||||
All rights granted under this License are granted for the term of
|
||||
copyright on the Program, and are irrevocable provided the stated
|
||||
conditions are met. This License explicitly affirms your unlimited
|
||||
permission to run the unmodified Program. The output from running a
|
||||
covered work is covered by this License only if the output, given its
|
||||
content, constitutes a covered work. This License acknowledges your
|
||||
rights of fair use or other equivalent, as provided by copyright law.
|
||||
|
||||
You may make, run and propagate covered works that you do not convey,
|
||||
without conditions so long as your license otherwise remains in force.
|
||||
You may convey covered works to others for the sole purpose of having
|
||||
them make modifications exclusively for you, or provide you with
|
||||
facilities for running those works, provided that you comply with the
|
||||
terms of this License in conveying all material for which you do not
|
||||
control copyright. Those thus making or running the covered works for
|
||||
you must do so exclusively on your behalf, under your direction and
|
||||
control, on terms that prohibit them from making any copies of your
|
||||
copyrighted material outside their relationship with you.
|
||||
|
||||
Conveying under any other circumstances is permitted solely under the
|
||||
conditions stated below. Sublicensing is not allowed; section 10 makes
|
||||
it unnecessary.
|
||||
|
||||
#### 3. Protecting Users' Legal Rights From Anti-Circumvention Law.
|
||||
|
||||
No covered work shall be deemed part of an effective technological
|
||||
measure under any applicable law fulfilling obligations under article
|
||||
11 of the WIPO copyright treaty adopted on 20 December 1996, or
|
||||
similar laws prohibiting or restricting circumvention of such
|
||||
measures.
|
||||
|
||||
When you convey a covered work, you waive any legal power to forbid
|
||||
circumvention of technological measures to the extent such
|
||||
circumvention is effected by exercising rights under this License with
|
||||
respect to the covered work, and you disclaim any intention to limit
|
||||
operation or modification of the work as a means of enforcing, against
|
||||
the work's users, your or third parties' legal rights to forbid
|
||||
circumvention of technological measures.
|
||||
|
||||
#### 4. Conveying Verbatim Copies.
|
||||
|
||||
You may convey verbatim copies of the Program's source code as you
|
||||
receive it, in any medium, provided that you conspicuously and
|
||||
appropriately publish on each copy an appropriate copyright notice;
|
||||
keep intact all notices stating that this License and any
|
||||
non-permissive terms added in accord with section 7 apply to the code;
|
||||
keep intact all notices of the absence of any warranty; and give all
|
||||
recipients a copy of this License along with the Program.
|
||||
|
||||
You may charge any price or no price for each copy that you convey,
|
||||
and you may offer support or warranty protection for a fee.
|
||||
|
||||
#### 5. Conveying Modified Source Versions.
|
||||
|
||||
You may convey a work based on the Program, or the modifications to
|
||||
produce it from the Program, in the form of source code under the
|
||||
terms of section 4, provided that you also meet all of these
|
||||
conditions:
|
||||
|
||||
- a) The work must carry prominent notices stating that you modified
|
||||
it, and giving a relevant date.
|
||||
- b) The work must carry prominent notices stating that it is
|
||||
released under this License and any conditions added under
|
||||
section 7. This requirement modifies the requirement in section 4
|
||||
to "keep intact all notices".
|
||||
- c) You must license the entire work, as a whole, under this
|
||||
License to anyone who comes into possession of a copy. This
|
||||
License will therefore apply, along with any applicable section 7
|
||||
additional terms, to the whole of the work, and all its parts,
|
||||
regardless of how they are packaged. This License gives no
|
||||
permission to license the work in any other way, but it does not
|
||||
invalidate such permission if you have separately received it.
|
||||
- d) If the work has interactive user interfaces, each must display
|
||||
Appropriate Legal Notices; however, if the Program has interactive
|
||||
interfaces that do not display Appropriate Legal Notices, your
|
||||
work need not make them do so.
|
||||
|
||||
A compilation of a covered work with other separate and independent
|
||||
works, which are not by their nature extensions of the covered work,
|
||||
and which are not combined with it such as to form a larger program,
|
||||
in or on a volume of a storage or distribution medium, is called an
|
||||
"aggregate" if the compilation and its resulting copyright are not
|
||||
used to limit the access or legal rights of the compilation's users
|
||||
beyond what the individual works permit. Inclusion of a covered work
|
||||
in an aggregate does not cause this License to apply to the other
|
||||
parts of the aggregate.
|
||||
|
||||
#### 6. Conveying Non-Source Forms.
|
||||
|
||||
You may convey a covered work in object code form under the terms of
|
||||
sections 4 and 5, provided that you also convey the machine-readable
|
||||
Corresponding Source under the terms of this License, in one of these
|
||||
ways:
|
||||
|
||||
- a) Convey the object code in, or embodied in, a physical product
|
||||
(including a physical distribution medium), accompanied by the
|
||||
Corresponding Source fixed on a durable physical medium
|
||||
customarily used for software interchange.
|
||||
- b) Convey the object code in, or embodied in, a physical product
|
||||
(including a physical distribution medium), accompanied by a
|
||||
written offer, valid for at least three years and valid for as
|
||||
long as you offer spare parts or customer support for that product
|
||||
model, to give anyone who possesses the object code either (1) a
|
||||
copy of the Corresponding Source for all the software in the
|
||||
product that is covered by this License, on a durable physical
|
||||
medium customarily used for software interchange, for a price no
|
||||
more than your reasonable cost of physically performing this
|
||||
conveying of source, or (2) access to copy the Corresponding
|
||||
Source from a network server at no charge.
|
||||
- c) Convey individual copies of the object code with a copy of the
|
||||
written offer to provide the Corresponding Source. This
|
||||
alternative is allowed only occasionally and noncommercially, and
|
||||
only if you received the object code with such an offer, in accord
|
||||
with subsection 6b.
|
||||
- d) Convey the object code by offering access from a designated
|
||||
place (gratis or for a charge), and offer equivalent access to the
|
||||
Corresponding Source in the same way through the same place at no
|
||||
further charge. You need not require recipients to copy the
|
||||
Corresponding Source along with the object code. If the place to
|
||||
copy the object code is a network server, the Corresponding Source
|
||||
may be on a different server (operated by you or a third party)
|
||||
that supports equivalent copying facilities, provided you maintain
|
||||
clear directions next to the object code saying where to find the
|
||||
Corresponding Source. Regardless of what server hosts the
|
||||
Corresponding Source, you remain obligated to ensure that it is
|
||||
available for as long as needed to satisfy these requirements.
|
||||
- e) Convey the object code using peer-to-peer transmission,
|
||||
provided you inform other peers where the object code and
|
||||
Corresponding Source of the work are being offered to the general
|
||||
public at no charge under subsection 6d.
|
||||
|
||||
A separable portion of the object code, whose source code is excluded
|
||||
from the Corresponding Source as a System Library, need not be
|
||||
included in conveying the object code work.
|
||||
|
||||
A "User Product" is either (1) a "consumer product", which means any
|
||||
tangible personal property which is normally used for personal,
|
||||
family, or household purposes, or (2) anything designed or sold for
|
||||
incorporation into a dwelling. In determining whether a product is a
|
||||
consumer product, doubtful cases shall be resolved in favor of
|
||||
coverage. For a particular product received by a particular user,
|
||||
"normally used" refers to a typical or common use of that class of
|
||||
product, regardless of the status of the particular user or of the way
|
||||
in which the particular user actually uses, or expects or is expected
|
||||
to use, the product. A product is a consumer product regardless of
|
||||
whether the product has substantial commercial, industrial or
|
||||
non-consumer uses, unless such uses represent the only significant
|
||||
mode of use of the product.
|
||||
|
||||
"Installation Information" for a User Product means any methods,
|
||||
procedures, authorization keys, or other information required to
|
||||
install and execute modified versions of a covered work in that User
|
||||
Product from a modified version of its Corresponding Source. The
|
||||
information must suffice to ensure that the continued functioning of
|
||||
the modified object code is in no case prevented or interfered with
|
||||
solely because modification has been made.
|
||||
|
||||
If you convey an object code work under this section in, or with, or
|
||||
specifically for use in, a User Product, and the conveying occurs as
|
||||
part of a transaction in which the right of possession and use of the
|
||||
User Product is transferred to the recipient in perpetuity or for a
|
||||
fixed term (regardless of how the transaction is characterized), the
|
||||
Corresponding Source conveyed under this section must be accompanied
|
||||
by the Installation Information. But this requirement does not apply
|
||||
if neither you nor any third party retains the ability to install
|
||||
modified object code on the User Product (for example, the work has
|
||||
been installed in ROM).
|
||||
|
||||
The requirement to provide Installation Information does not include a
|
||||
requirement to continue to provide support service, warranty, or
|
||||
updates for a work that has been modified or installed by the
|
||||
recipient, or for the User Product in which it has been modified or
|
||||
installed. Access to a network may be denied when the modification
|
||||
itself materially and adversely affects the operation of the network
|
||||
or violates the rules and protocols for communication across the
|
||||
network.
|
||||
|
||||
Corresponding Source conveyed, and Installation Information provided,
|
||||
in accord with this section must be in a format that is publicly
|
||||
documented (and with an implementation available to the public in
|
||||
source code form), and must require no special password or key for
|
||||
unpacking, reading or copying.
|
||||
|
||||
#### 7. Additional Terms.
|
||||
|
||||
"Additional permissions" are terms that supplement the terms of this
|
||||
License by making exceptions from one or more of its conditions.
|
||||
Additional permissions that are applicable to the entire Program shall
|
||||
be treated as though they were included in this License, to the extent
|
||||
that they are valid under applicable law. If additional permissions
|
||||
apply only to part of the Program, that part may be used separately
|
||||
under those permissions, but the entire Program remains governed by
|
||||
this License without regard to the additional permissions.
|
||||
|
||||
When you convey a copy of a covered work, you may at your option
|
||||
remove any additional permissions from that copy, or from any part of
|
||||
it. (Additional permissions may be written to require their own
|
||||
removal in certain cases when you modify the work.) You may place
|
||||
additional permissions on material, added by you to a covered work,
|
||||
for which you have or can give appropriate copyright permission.
|
||||
|
||||
Notwithstanding any other provision of this License, for material you
|
||||
add to a covered work, you may (if authorized by the copyright holders
|
||||
of that material) supplement the terms of this License with terms:
|
||||
|
||||
- a) Disclaiming warranty or limiting liability differently from the
|
||||
terms of sections 15 and 16 of this License; or
|
||||
- b) Requiring preservation of specified reasonable legal notices or
|
||||
author attributions in that material or in the Appropriate Legal
|
||||
Notices displayed by works containing it; or
|
||||
- c) Prohibiting misrepresentation of the origin of that material,
|
||||
or requiring that modified versions of such material be marked in
|
||||
reasonable ways as different from the original version; or
|
||||
- d) Limiting the use for publicity purposes of names of licensors
|
||||
or authors of the material; or
|
||||
- e) Declining to grant rights under trademark law for use of some
|
||||
trade names, trademarks, or service marks; or
|
||||
- f) Requiring indemnification of licensors and authors of that
|
||||
material by anyone who conveys the material (or modified versions
|
||||
of it) with contractual assumptions of liability to the recipient,
|
||||
for any liability that these contractual assumptions directly
|
||||
impose on those licensors and authors.
|
||||
|
||||
All other non-permissive additional terms are considered "further
|
||||
restrictions" within the meaning of section 10. If the Program as you
|
||||
received it, or any part of it, contains a notice stating that it is
|
||||
governed by this License along with a term that is a further
|
||||
restriction, you may remove that term. If a license document contains
|
||||
a further restriction but permits relicensing or conveying under this
|
||||
License, you may add to a covered work material governed by the terms
|
||||
of that license document, provided that the further restriction does
|
||||
not survive such relicensing or conveying.
|
||||
|
||||
If you add terms to a covered work in accord with this section, you
|
||||
must place, in the relevant source files, a statement of the
|
||||
additional terms that apply to those files, or a notice indicating
|
||||
where to find the applicable terms.
|
||||
|
||||
Additional terms, permissive or non-permissive, may be stated in the
|
||||
form of a separately written license, or stated as exceptions; the
|
||||
above requirements apply either way.
|
||||
|
||||
#### 8. Termination.
|
||||
|
||||
You may not propagate or modify a covered work except as expressly
|
||||
provided under this License. Any attempt otherwise to propagate or
|
||||
modify it is void, and will automatically terminate your rights under
|
||||
this License (including any patent licenses granted under the third
|
||||
paragraph of section 11).
|
||||
|
||||
However, if you cease all violation of this License, then your license
|
||||
from a particular copyright holder is reinstated (a) provisionally,
|
||||
unless and until the copyright holder explicitly and finally
|
||||
terminates your license, and (b) permanently, if the copyright holder
|
||||
fails to notify you of the violation by some reasonable means prior to
|
||||
60 days after the cessation.
|
||||
|
||||
Moreover, your license from a particular copyright holder is
|
||||
reinstated permanently if the copyright holder notifies you of the
|
||||
violation by some reasonable means, this is the first time you have
|
||||
received notice of violation of this License (for any work) from that
|
||||
copyright holder, and you cure the violation prior to 30 days after
|
||||
your receipt of the notice.
|
||||
|
||||
Termination of your rights under this section does not terminate the
|
||||
licenses of parties who have received copies or rights from you under
|
||||
this License. If your rights have been terminated and not permanently
|
||||
reinstated, you do not qualify to receive new licenses for the same
|
||||
material under section 10.
|
||||
|
||||
#### 9. Acceptance Not Required for Having Copies.
|
||||
|
||||
You are not required to accept this License in order to receive or run
|
||||
a copy of the Program. Ancillary propagation of a covered work
|
||||
occurring solely as a consequence of using peer-to-peer transmission
|
||||
to receive a copy likewise does not require acceptance. However,
|
||||
nothing other than this License grants you permission to propagate or
|
||||
modify any covered work. These actions infringe copyright if you do
|
||||
not accept this License. Therefore, by modifying or propagating a
|
||||
covered work, you indicate your acceptance of this License to do so.
|
||||
|
||||
#### 10. Automatic Licensing of Downstream Recipients.
|
||||
|
||||
Each time you convey a covered work, the recipient automatically
|
||||
receives a license from the original licensors, to run, modify and
|
||||
propagate that work, subject to this License. You are not responsible
|
||||
for enforcing compliance by third parties with this License.
|
||||
|
||||
An "entity transaction" is a transaction transferring control of an
|
||||
organization, or substantially all assets of one, or subdividing an
|
||||
organization, or merging organizations. If propagation of a covered
|
||||
work results from an entity transaction, each party to that
|
||||
transaction who receives a copy of the work also receives whatever
|
||||
licenses to the work the party's predecessor in interest had or could
|
||||
give under the previous paragraph, plus a right to possession of the
|
||||
Corresponding Source of the work from the predecessor in interest, if
|
||||
the predecessor has it or can get it with reasonable efforts.
|
||||
|
||||
You may not impose any further restrictions on the exercise of the
|
||||
rights granted or affirmed under this License. For example, you may
|
||||
not impose a license fee, royalty, or other charge for exercise of
|
||||
rights granted under this License, and you may not initiate litigation
|
||||
(including a cross-claim or counterclaim in a lawsuit) alleging that
|
||||
any patent claim is infringed by making, using, selling, offering for
|
||||
sale, or importing the Program or any portion of it.
|
||||
|
||||
#### 11. Patents.
|
||||
|
||||
A "contributor" is a copyright holder who authorizes use under this
|
||||
License of the Program or a work on which the Program is based. The
|
||||
work thus licensed is called the contributor's "contributor version".
|
||||
|
||||
A contributor's "essential patent claims" are all patent claims owned
|
||||
or controlled by the contributor, whether already acquired or
|
||||
hereafter acquired, that would be infringed by some manner, permitted
|
||||
by this License, of making, using, or selling its contributor version,
|
||||
but do not include claims that would be infringed only as a
|
||||
consequence of further modification of the contributor version. For
|
||||
purposes of this definition, "control" includes the right to grant
|
||||
patent sublicenses in a manner consistent with the requirements of
|
||||
this License.
|
||||
|
||||
Each contributor grants you a non-exclusive, worldwide, royalty-free
|
||||
patent license under the contributor's essential patent claims, to
|
||||
make, use, sell, offer for sale, import and otherwise run, modify and
|
||||
propagate the contents of its contributor version.
|
||||
|
||||
In the following three paragraphs, a "patent license" is any express
|
||||
agreement or commitment, however denominated, not to enforce a patent
|
||||
(such as an express permission to practice a patent or covenant not to
|
||||
sue for patent infringement). To "grant" such a patent license to a
|
||||
party means to make such an agreement or commitment not to enforce a
|
||||
patent against the party.
|
||||
|
||||
If you convey a covered work, knowingly relying on a patent license,
|
||||
and the Corresponding Source of the work is not available for anyone
|
||||
to copy, free of charge and under the terms of this License, through a
|
||||
publicly available network server or other readily accessible means,
|
||||
then you must either (1) cause the Corresponding Source to be so
|
||||
available, or (2) arrange to deprive yourself of the benefit of the
|
||||
patent license for this particular work, or (3) arrange, in a manner
|
||||
consistent with the requirements of this License, to extend the patent
|
||||
license to downstream recipients. "Knowingly relying" means you have
|
||||
actual knowledge that, but for the patent license, your conveying the
|
||||
covered work in a country, or your recipient's use of the covered work
|
||||
in a country, would infringe one or more identifiable patents in that
|
||||
country that you have reason to believe are valid.
|
||||
|
||||
If, pursuant to or in connection with a single transaction or
|
||||
arrangement, you convey, or propagate by procuring conveyance of, a
|
||||
covered work, and grant a patent license to some of the parties
|
||||
receiving the covered work authorizing them to use, propagate, modify
|
||||
or convey a specific copy of the covered work, then the patent license
|
||||
you grant is automatically extended to all recipients of the covered
|
||||
work and works based on it.
|
||||
|
||||
A patent license is "discriminatory" if it does not include within the
|
||||
scope of its coverage, prohibits the exercise of, or is conditioned on
|
||||
the non-exercise of one or more of the rights that are specifically
|
||||
granted under this License. You may not convey a covered work if you
|
||||
are a party to an arrangement with a third party that is in the
|
||||
business of distributing software, under which you make payment to the
|
||||
third party based on the extent of your activity of conveying the
|
||||
work, and under which the third party grants, to any of the parties
|
||||
who would receive the covered work from you, a discriminatory patent
|
||||
license (a) in connection with copies of the covered work conveyed by
|
||||
you (or copies made from those copies), or (b) primarily for and in
|
||||
connection with specific products or compilations that contain the
|
||||
covered work, unless you entered into that arrangement, or that patent
|
||||
license was granted, prior to 28 March 2007.
|
||||
|
||||
Nothing in this License shall be construed as excluding or limiting
|
||||
any implied license or other defenses to infringement that may
|
||||
otherwise be available to you under applicable patent law.
|
||||
|
||||
#### 12. No Surrender of Others' Freedom.
|
||||
|
||||
If conditions are imposed on you (whether by court order, agreement or
|
||||
otherwise) that contradict the conditions of this License, they do not
|
||||
excuse you from the conditions of this License. If you cannot convey a
|
||||
covered work so as to satisfy simultaneously your obligations under
|
||||
this License and any other pertinent obligations, then as a
|
||||
consequence you may not convey it at all. For example, if you agree to
|
||||
terms that obligate you to collect a royalty for further conveying
|
||||
from those to whom you convey the Program, the only way you could
|
||||
satisfy both those terms and this License would be to refrain entirely
|
||||
from conveying the Program.
|
||||
|
||||
#### 13. Use with the GNU Affero General Public License.
|
||||
|
||||
Notwithstanding any other provision of this License, you have
|
||||
permission to link or combine any covered work with a work licensed
|
||||
under version 3 of the GNU Affero General Public License into a single
|
||||
combined work, and to convey the resulting work. The terms of this
|
||||
License will continue to apply to the part which is the covered work,
|
||||
but the special requirements of the GNU Affero General Public License,
|
||||
section 13, concerning interaction through a network will apply to the
|
||||
combination as such.
|
||||
|
||||
#### 14. Revised Versions of this License.
|
||||
|
||||
The Free Software Foundation may publish revised and/or new versions
|
||||
of the GNU General Public License from time to time. Such new versions
|
||||
will be similar in spirit to the present version, but may differ in
|
||||
detail to address new problems or concerns.
|
||||
|
||||
Each version is given a distinguishing version number. If the Program
|
||||
specifies that a certain numbered version of the GNU General Public
|
||||
License "or any later version" applies to it, you have the option of
|
||||
following the terms and conditions either of that numbered version or
|
||||
of any later version published by the Free Software Foundation. If the
|
||||
Program does not specify a version number of the GNU General Public
|
||||
License, you may choose any version ever published by the Free
|
||||
Software Foundation.
|
||||
|
||||
If the Program specifies that a proxy can decide which future versions
|
||||
of the GNU General Public License can be used, that proxy's public
|
||||
statement of acceptance of a version permanently authorizes you to
|
||||
choose that version for the Program.
|
||||
|
||||
Later license versions may give you additional or different
|
||||
permissions. However, no additional obligations are imposed on any
|
||||
author or copyright holder as a result of your choosing to follow a
|
||||
later version.
|
||||
|
||||
#### 15. Disclaimer of Warranty.
|
||||
|
||||
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
|
||||
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
|
||||
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT
|
||||
WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT
|
||||
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||
A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND
|
||||
PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE
|
||||
DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR
|
||||
CORRECTION.
|
||||
|
||||
#### 16. Limitation of Liability.
|
||||
|
||||
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
|
||||
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR
|
||||
CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
|
||||
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
|
||||
ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT
|
||||
NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR
|
||||
LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM
|
||||
TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER
|
||||
PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
|
||||
|
||||
#### 17. Interpretation of Sections 15 and 16.
|
||||
|
||||
If the disclaimer of warranty and limitation of liability provided
|
||||
above cannot be given local legal effect according to their terms,
|
||||
reviewing courts shall apply local law that most closely approximates
|
||||
an absolute waiver of all civil liability in connection with the
|
||||
Program, unless a warranty or assumption of liability accompanies a
|
||||
copy of the Program in return for a fee.
|
||||
|
||||
END OF TERMS AND CONDITIONS
|
||||
|
||||
### How to Apply These Terms to Your New Programs
|
||||
|
||||
If you develop a new program, and you want it to be of the greatest
|
||||
possible use to the public, the best way to achieve this is to make it
|
||||
free software which everyone can redistribute and change under these
|
||||
terms.
|
||||
|
||||
To do so, attach the following notices to the program. It is safest to
|
||||
attach them to the start of each source file to most effectively state
|
||||
the exclusion of warranty; and each file should have at least the
|
||||
"copyright" line and a pointer to where the full notice is found.
|
||||
|
||||
<one line to give the program's name and a brief idea of what it does.>
|
||||
Copyright (C) <year> <name of author>
|
||||
|
||||
This program is free software: you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation, either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
|
||||
Also add information on how to contact you by electronic and paper
|
||||
mail.
|
||||
|
||||
If the program does terminal interaction, make it output a short
|
||||
notice like this when it starts in an interactive mode:
|
||||
|
||||
<program> Copyright (C) <year> <name of author>
|
||||
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
|
||||
This is free software, and you are welcome to redistribute it
|
||||
under certain conditions; type `show c' for details.
|
||||
|
||||
The hypothetical commands \`show w' and \`show c' should show the
|
||||
appropriate parts of the General Public License. Of course, your
|
||||
program's commands might be different; for a GUI interface, you would
|
||||
use an "about box".
|
||||
|
||||
You should also get your employer (if you work as a programmer) or
|
||||
school, if any, to sign a "copyright disclaimer" for the program, if
|
||||
necessary. For more information on this, and how to apply and follow
|
||||
the GNU GPL, see <https://www.gnu.org/licenses/>.
|
||||
|
||||
The GNU General Public License does not permit incorporating your
|
||||
program into proprietary programs. If your program is a subroutine
|
||||
library, you may consider it more useful to permit linking proprietary
|
||||
applications with the library. If this is what you want to do, use the
|
||||
GNU Lesser General Public License instead of this License. But first,
|
||||
please read <https://www.gnu.org/licenses/why-not-lgpl.html>.
|
||||
4
bin/dune
4
bin/dune
|
|
@ -1,4 +0,0 @@
|
|||
(executable
|
||||
(public_name e0)
|
||||
(name main)
|
||||
(libraries e0))
|
||||
12
bin/main.ml
12
bin/main.ml
|
|
@ -1,12 +0,0 @@
|
|||
open E0
|
||||
|
||||
let () =
|
||||
let p = Lexing.from_channel stdin |> Parse.try_parse in
|
||||
match p with
|
||||
| Error msg -> Printf.eprintf "Could not load program: %s" msg
|
||||
| Ok p ->
|
||||
let decl_map = Typeck.get_decl_map p in
|
||||
Hashtbl.iter
|
||||
(fun name ty -> Printf.eprintf " %s : %s\n" name (Ast.show_ty ty))
|
||||
decl_map;
|
||||
Ast.show_program p |> print_endline
|
||||
3
build.rs
Normal file
3
build.rs
Normal file
|
|
@ -0,0 +1,3 @@
|
|||
fn main() {
|
||||
lalrpop::process_root().unwrap();
|
||||
}
|
||||
22
dune-project
22
dune-project
|
|
@ -1,22 +0,0 @@
|
|||
(lang dune 3.0)
|
||||
|
||||
(name e0)
|
||||
|
||||
(generate_opam_files true)
|
||||
|
||||
(source
|
||||
(uri https://git.sr.ht/~mzhang/e0))
|
||||
|
||||
(authors "Michael Zhang")
|
||||
|
||||
(license LICENSE.md)
|
||||
|
||||
(documentation https://git.sr.ht/~mzhang/e0)
|
||||
|
||||
(package
|
||||
(name e0)
|
||||
(synopsis "Simple programming language")
|
||||
(description "A longer description")
|
||||
(depends ocaml dune))
|
||||
|
||||
(using menhir 2.1)
|
||||
27
e0.opam
27
e0.opam
|
|
@ -1,27 +0,0 @@
|
|||
# This file is generated by dune, edit dune-project instead
|
||||
opam-version: "2.0"
|
||||
synopsis: "Simple programming language"
|
||||
description: "A longer description"
|
||||
authors: ["Michael Zhang"]
|
||||
license: "LICENSE.md"
|
||||
doc: "https://git.sr.ht/~mzhang/e0"
|
||||
depends: [
|
||||
"ocaml"
|
||||
"dune" {>= "3.0"}
|
||||
"odoc" {with-doc}
|
||||
]
|
||||
build: [
|
||||
["dune" "subst"] {dev}
|
||||
[
|
||||
"dune"
|
||||
"build"
|
||||
"-p"
|
||||
name
|
||||
"-j"
|
||||
jobs
|
||||
"@install"
|
||||
"@runtest" {with-test}
|
||||
"@doc" {with-doc}
|
||||
]
|
||||
]
|
||||
dev-repo: "https://git.sr.ht/~mzhang/e0"
|
||||
|
|
@ -1,5 +1,3 @@
|
|||
extern fn printf();
|
||||
|
||||
fn main() {
|
||||
fn main() -> int {
|
||||
return 42;
|
||||
}
|
||||
|
|
|
|||
28
lib/ast.ml
28
lib/ast.ml
|
|
@ -1,28 +0,0 @@
|
|||
type op = OpAdd | OpSub | OpMul | OpDiv [@@deriving show]
|
||||
|
||||
type lit = LitInt of int | LitNegInt of int | LitFloat of float
|
||||
[@@deriving show]
|
||||
|
||||
type ty =
|
||||
| TyUnit
|
||||
| TySizedInt
|
||||
| TyGenericInt
|
||||
| TyFunc of ty list * ty
|
||||
| TyPointer of ty
|
||||
| TyStruct of (string * ty) list
|
||||
[@@deriving show]
|
||||
|
||||
type expr =
|
||||
| ExprUnit
|
||||
| ExprLit of lit
|
||||
| ExprBin of expr * op * expr
|
||||
| ExprAnnot of expr * ty
|
||||
[@@deriving show]
|
||||
|
||||
type pat = PatName of string [@@deriving show]
|
||||
type stmt = StmtLet of pat * expr | StmtReturn of expr [@@deriving show]
|
||||
type block = { stmts : stmt list; ret : expr } [@@deriving show]
|
||||
type func = { name : string; body : block } [@@deriving show]
|
||||
type extern_func = { name : string } [@@deriving show]
|
||||
type decl = DeclFunc of func | DeclExternFunc of extern_func [@@deriving show]
|
||||
type program = decl list [@@deriving show]
|
||||
21
lib/dune
21
lib/dune
|
|
@ -1,21 +0,0 @@
|
|||
(library
|
||||
(name e0)
|
||||
(libraries menhirLib)
|
||||
(preprocess
|
||||
(pps ppx_deriving.show ppx_deriving.ord)))
|
||||
|
||||
(ocamllex lexer)
|
||||
|
||||
(menhir
|
||||
(flags --table)
|
||||
(modules parser))
|
||||
|
||||
; https://baturin.org/blog/declarative-parse-error-reporting-with-menhir/
|
||||
|
||||
(rule
|
||||
(targets parser_messages.ml)
|
||||
(deps parser.messages parser.mly)
|
||||
(action
|
||||
(with-stdout-to
|
||||
%{targets}
|
||||
(run menhir --compile-errors %{deps}))))
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
type irexpr = IExpr
|
||||
type global = Global
|
||||
type program = { globals : global list }
|
||||
|
|
@ -1,22 +0,0 @@
|
|||
{ open Parser }
|
||||
|
||||
rule f = parse
|
||||
| '\n' { Lexing.new_line lexbuf; f lexbuf }
|
||||
| [' ' '\t'] { f lexbuf }
|
||||
|
||||
| "extern" { KWD_EXTERN }
|
||||
| "fn" { KWD_FN }
|
||||
| "return" { KWD_RETURN }
|
||||
|
||||
| "(" { PUNCT_LPAREN }
|
||||
| ")" { PUNCT_RPAREN }
|
||||
| "->" { PUNCT_RARROW }
|
||||
| ":" { PUNCT_COLON }
|
||||
| ";" { PUNCT_SEMI }
|
||||
| "{" { PUNCT_LBRACE }
|
||||
| "}" { PUNCT_RBRACE }
|
||||
|
||||
| "-" ['0'-'9']+ as i { LIT_NEG_INT (- (int_of_string i)) }
|
||||
| ['0'-'9']+ as i { LIT_INT (int_of_string i) }
|
||||
| ['a'-'z' 'A'-'Z']* as i { IDENT i }
|
||||
| eof { EOF }
|
||||
|
|
@ -1,9 +0,0 @@
|
|||
open Ast
|
||||
open Ir
|
||||
|
||||
(* Processing state for this particular scope *)
|
||||
type state = { parent : state option }
|
||||
|
||||
let lower (func : func) : (irexpr list, unit) result =
|
||||
let { name = _; body = _ } = func in
|
||||
Error ()
|
||||
39
lib/parse.ml
39
lib/parse.ml
|
|
@ -1,39 +0,0 @@
|
|||
open Util
|
||||
module I = Parser.MenhirInterpreter
|
||||
|
||||
let get_parse_error env =
|
||||
match I.stack env with
|
||||
| (lazy Nil) -> "Invalid syntax"
|
||||
| (lazy (Cons (I.Element (state, _, _, _), _))) -> (
|
||||
try Parser_messages.message (I.number state)
|
||||
with Not_found -> "invalid syntax (no specific message for this eror)")
|
||||
|
||||
let rec parse lexbuf (checkpoint : Ast.program I.checkpoint) =
|
||||
match checkpoint with
|
||||
| I.InputNeeded _env ->
|
||||
let token = Lexer.f lexbuf in
|
||||
let startp = lexbuf.lex_start_p and endp = lexbuf.lex_curr_p in
|
||||
let checkpoint = I.offer checkpoint (token, startp, endp) in
|
||||
parse lexbuf checkpoint
|
||||
| I.Shifting _ | I.AboutToReduce _ ->
|
||||
let checkpoint = I.resume checkpoint in
|
||||
parse lexbuf checkpoint
|
||||
| I.HandlingError _env ->
|
||||
let line, pos = Util.get_lexing_position lexbuf in
|
||||
let err = get_parse_error _env in
|
||||
raise (Syntax_error (Some (line, pos), err))
|
||||
| I.Accepted v -> v
|
||||
| I.Rejected ->
|
||||
raise (Syntax_error (None, "invalid syntax (parser rejected the input)"))
|
||||
|
||||
let try_parse lexbuf =
|
||||
try
|
||||
let program = parse lexbuf (Parser.Incremental.program lexbuf.lex_curr_p) in
|
||||
Ok program
|
||||
with Util.Syntax_error (pos, err) -> (
|
||||
match pos with
|
||||
| Some (line, pos) ->
|
||||
Error
|
||||
(Printf.sprintf "Syntax error on line %d, character %d: %s" line pos
|
||||
err)
|
||||
| None -> Error (Printf.sprintf "Syntax error: %s" err))
|
||||
|
|
@ -1,108 +0,0 @@
|
|||
program: PUNCT_RPAREN
|
||||
##
|
||||
## Ends in an error in state: 0.
|
||||
##
|
||||
## program' -> . program [ # ]
|
||||
##
|
||||
## The known suffix of the stack is as follows:
|
||||
##
|
||||
##
|
||||
|
||||
<YOUR SYNTAX ERROR MESSAGE HERE>
|
||||
|
||||
program: KWD_FN PUNCT_RPAREN
|
||||
##
|
||||
## Ends in an error in state: 1.
|
||||
##
|
||||
## func -> KWD_FN . IDENT PUNCT_LPAREN PUNCT_RPAREN body [ KWD_FN # ]
|
||||
##
|
||||
## The known suffix of the stack is as follows:
|
||||
## KWD_FN
|
||||
##
|
||||
|
||||
<YOUR SYNTAX ERROR MESSAGE HERE>
|
||||
|
||||
program: KWD_FN IDENT PUNCT_RPAREN
|
||||
##
|
||||
## Ends in an error in state: 2.
|
||||
##
|
||||
## func -> KWD_FN IDENT . PUNCT_LPAREN PUNCT_RPAREN body [ KWD_FN # ]
|
||||
##
|
||||
## The known suffix of the stack is as follows:
|
||||
## KWD_FN IDENT
|
||||
##
|
||||
|
||||
<YOUR SYNTAX ERROR MESSAGE HERE>
|
||||
|
||||
program: KWD_FN IDENT PUNCT_LPAREN PUNCT_RBRACE
|
||||
##
|
||||
## Ends in an error in state: 3.
|
||||
##
|
||||
## func -> KWD_FN IDENT PUNCT_LPAREN . PUNCT_RPAREN body [ KWD_FN # ]
|
||||
##
|
||||
## The known suffix of the stack is as follows:
|
||||
## KWD_FN IDENT PUNCT_LPAREN
|
||||
##
|
||||
|
||||
<YOUR SYNTAX ERROR MESSAGE HERE>
|
||||
|
||||
program: KWD_FN IDENT PUNCT_LPAREN PUNCT_RPAREN PUNCT_RPAREN
|
||||
##
|
||||
## Ends in an error in state: 4.
|
||||
##
|
||||
## func -> KWD_FN IDENT PUNCT_LPAREN PUNCT_RPAREN . body [ KWD_FN # ]
|
||||
##
|
||||
## The known suffix of the stack is as follows:
|
||||
## KWD_FN IDENT PUNCT_LPAREN PUNCT_RPAREN
|
||||
##
|
||||
|
||||
<YOUR SYNTAX ERROR MESSAGE HERE>
|
||||
|
||||
program: KWD_FN IDENT PUNCT_LPAREN PUNCT_RPAREN PUNCT_LBRACE PUNCT_RPAREN
|
||||
##
|
||||
## Ends in an error in state: 5.
|
||||
##
|
||||
## body -> PUNCT_LBRACE . list(stmt) PUNCT_RBRACE [ KWD_FN # ]
|
||||
##
|
||||
## The known suffix of the stack is as follows:
|
||||
## PUNCT_LBRACE
|
||||
##
|
||||
|
||||
<YOUR SYNTAX ERROR MESSAGE HERE>
|
||||
|
||||
program: KWD_FN IDENT PUNCT_LPAREN PUNCT_RPAREN PUNCT_LBRACE KWD_RETURN PUNCT_RPAREN
|
||||
##
|
||||
## Ends in an error in state: 6.
|
||||
##
|
||||
## stmt -> KWD_RETURN . expr [ PUNCT_RBRACE KWD_RETURN ]
|
||||
##
|
||||
## The known suffix of the stack is as follows:
|
||||
## KWD_RETURN
|
||||
##
|
||||
|
||||
<YOUR SYNTAX ERROR MESSAGE HERE>
|
||||
|
||||
program: KWD_FN IDENT PUNCT_LPAREN PUNCT_RPAREN PUNCT_LBRACE KWD_RETURN LIT_NEG_INT PUNCT_RPAREN
|
||||
##
|
||||
## Ends in an error in state: 9.
|
||||
##
|
||||
## list(stmt) -> stmt . list(stmt) [ PUNCT_RBRACE ]
|
||||
##
|
||||
## The known suffix of the stack is as follows:
|
||||
## stmt
|
||||
##
|
||||
|
||||
<YOUR SYNTAX ERROR MESSAGE HERE>
|
||||
|
||||
program: KWD_FN IDENT PUNCT_LPAREN PUNCT_RPAREN PUNCT_LBRACE PUNCT_RBRACE PUNCT_RPAREN
|
||||
##
|
||||
## Ends in an error in state: 17.
|
||||
##
|
||||
## list(decl) -> decl . list(decl) [ # ]
|
||||
##
|
||||
## The known suffix of the stack is as follows:
|
||||
## decl
|
||||
##
|
||||
|
||||
<YOUR SYNTAX ERROR MESSAGE HERE>
|
||||
|
||||
|
|
@ -1,48 +0,0 @@
|
|||
%{
|
||||
open Ast
|
||||
%}
|
||||
|
||||
%token EOF
|
||||
|
||||
%token KWD_EXTERN
|
||||
%token KWD_FN
|
||||
%token KWD_RETURN
|
||||
|
||||
%token PUNCT_COLON
|
||||
%token PUNCT_LBRACE
|
||||
%token PUNCT_LPAREN
|
||||
%token PUNCT_RARROW
|
||||
%token PUNCT_RBRACE
|
||||
%token PUNCT_RPAREN
|
||||
%token PUNCT_SEMI
|
||||
|
||||
%token <int> LIT_NEG_INT
|
||||
%token <int> LIT_INT
|
||||
%token <string> IDENT
|
||||
|
||||
%start <program> program
|
||||
|
||||
%%
|
||||
|
||||
program:
|
||||
| decls=decl* EOF { decls }
|
||||
|
||||
decl:
|
||||
| func=func { DeclFunc func }
|
||||
| extern=extern_func { DeclExternFunc extern }
|
||||
|
||||
func:
|
||||
| KWD_FN name=IDENT PUNCT_LPAREN PUNCT_RPAREN body=body { { name; body } }
|
||||
|
||||
extern_func:
|
||||
| KWD_EXTERN KWD_FN name=IDENT PUNCT_LPAREN PUNCT_RPAREN PUNCT_SEMI { { name } }
|
||||
|
||||
body:
|
||||
| PUNCT_LBRACE stmts=stmt* PUNCT_RBRACE { { stmts; ret=ExprUnit } }
|
||||
|
||||
stmt:
|
||||
| KWD_RETURN expr=expr PUNCT_SEMI { StmtReturn expr }
|
||||
|
||||
expr:
|
||||
| i=LIT_NEG_INT { ExprLit (LitNegInt i) }
|
||||
| i=LIT_INT { ExprLit (LitInt i) }
|
||||
|
|
@ -1,27 +0,0 @@
|
|||
(* Hindley milner type checking *)
|
||||
|
||||
open Ast
|
||||
|
||||
(* Get a list of name -> type mappings of all the declarations to be used as a
|
||||
base type map for type checking *)
|
||||
let rec get_decl_map (program:program) : (string, ty) Hashtbl.t =
|
||||
let get_decl_sig (decl:decl) : string * ty =
|
||||
match decl with
|
||||
| DeclFunc func -> (func.name, TyFunc ([], TyUnit))
|
||||
| DeclExternFunc extern -> (extern.name, TyUnit)
|
||||
in
|
||||
match program with
|
||||
| [] -> Hashtbl.create 100
|
||||
| hd :: tl ->
|
||||
let (name, ty) = get_decl_sig hd in
|
||||
let next = get_decl_map tl in
|
||||
Hashtbl.add next name ty; next
|
||||
|
||||
type state =
|
||||
{ decls : (string, ty) Hashtbl.t
|
||||
; func_sig : string
|
||||
; stmts : stmt list
|
||||
}
|
||||
|
||||
(* let rec typeck (state:state) : state =
|
||||
let typeck_stmt *)
|
||||
|
|
@ -1,7 +0,0 @@
|
|||
exception Syntax_error of ((int * int) option * string)
|
||||
|
||||
let get_lexing_position lexbuf =
|
||||
let p = Lexing.lexeme_start_p lexbuf in
|
||||
let line_number = p.Lexing.pos_lnum in
|
||||
let column = p.Lexing.pos_cnum - p.Lexing.pos_bol + 1 in
|
||||
(line_number, column)
|
||||
17
spec.md
17
spec.md
|
|
@ -1,17 +0,0 @@
|
|||
Types
|
||||
-----
|
||||
|
||||
- Primitive ints {u,i}{8,16,32,64}
|
||||
- Pointer
|
||||
- Struct
|
||||
|
||||
IR
|
||||
--
|
||||
|
||||
Calling Convention
|
||||
------------------
|
||||
|
||||
This language targets x86_64 linux architecture.
|
||||
|
||||
- Arguments are passed via RDI, RSI, RDX, RCX, R8, R9.
|
||||
- Integer return values in RAX.
|
||||
32
src/ast.rs
Normal file
32
src/ast.rs
Normal file
|
|
@ -0,0 +1,32 @@
|
|||
use anyhow::Result;
|
||||
|
||||
#[derive(Debug)]
|
||||
pub enum Decl {
|
||||
Func(Func),
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct Func {
|
||||
pub name: String,
|
||||
pub return_ty: Type,
|
||||
pub stmts: Vec<Stmt>,
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
pub enum Stmt {
|
||||
Return(Option<Expr>),
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
pub enum Expr {
|
||||
Int(i64),
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
pub enum Type {
|
||||
Int,
|
||||
}
|
||||
|
||||
pub fn convert(program: Vec<Decl>) -> Result<String> {
|
||||
Ok(String::new())
|
||||
}
|
||||
33
src/main.rs
Normal file
33
src/main.rs
Normal file
|
|
@ -0,0 +1,33 @@
|
|||
#[macro_use]
|
||||
extern crate lalrpop_util;
|
||||
#[macro_use]
|
||||
extern crate anyhow;
|
||||
|
||||
lalrpop_mod!(parser);
|
||||
|
||||
mod ast;
|
||||
|
||||
use std::fs;
|
||||
use std::path::PathBuf;
|
||||
|
||||
use anyhow::Result;
|
||||
use clap::Parser;
|
||||
|
||||
use crate::parser::ProgramParser;
|
||||
|
||||
#[derive(Debug, Parser)]
|
||||
struct Opt {
|
||||
path: PathBuf,
|
||||
}
|
||||
|
||||
fn main() -> Result<()> {
|
||||
let opts = Opt::parse();
|
||||
|
||||
let contents = fs::read_to_string(opts.path)?;
|
||||
|
||||
let parser = ProgramParser::new();
|
||||
let ast = parser.parse(&contents).unwrap();
|
||||
println!("AST: {ast:?}");
|
||||
|
||||
Ok(())
|
||||
}
|
||||
32
src/parser.lalrpop
Normal file
32
src/parser.lalrpop
Normal file
|
|
@ -0,0 +1,32 @@
|
|||
use crate::ast::*;
|
||||
|
||||
grammar;
|
||||
|
||||
pub Program: Vec<Decl> = Decl* => <>;
|
||||
|
||||
Decl: Decl = {
|
||||
Func => Decl::Func(<>),
|
||||
};
|
||||
|
||||
Func: Func = {
|
||||
"fn" <name:Ident> "(" ")" "->" <return_ty:Type> "{" <stmts:Stmt*> "}" => Func { name, return_ty, stmts },
|
||||
};
|
||||
|
||||
Stmt: Stmt = {
|
||||
"return" <expr:Expr?> ";" => Stmt::Return(expr),
|
||||
};
|
||||
|
||||
Expr: Expr = {
|
||||
Expr1 => <>,
|
||||
};
|
||||
|
||||
Expr1: Expr = {
|
||||
r"[0-9]+" => Expr::Int(<>.parse::<i64>().unwrap()),
|
||||
"(" <expr:Expr> ")" => expr,
|
||||
};
|
||||
|
||||
Type: Type = {
|
||||
"int" => Type::Int,
|
||||
};
|
||||
|
||||
Ident: String = r"([A-Za-z][A-Za-z0-9_]*)|(_[A-Za-z0-9_]+)" => <>.to_string();
|
||||
|
|
@ -1,2 +0,0 @@
|
|||
(test
|
||||
(name e0))
|
||||
Loading…
Reference in a new issue