mirror of
https://github.com/hexedtech/codemp.git
synced 2024-11-21 23:04:49 +01:00
feat(c): proof of concept of C api
will be long and unpleasant but feasible
This commit is contained in:
parent
0b471b72fa
commit
db0ad947db
GPG key ID:
A4895B84D311642C
6 changed files with 213 additions and 9 deletions
126
Cargo.lock
generated
126
Cargo.lock
generated
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@ -86,6 +86,17 @@ version = "1.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
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[[package]]
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name = "atty"
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version = "0.2.14"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
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dependencies = [
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"hermit-abi 0.1.19",
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"libc",
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"winapi",
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]
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[[package]]
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name = "autocfg"
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version = "1.3.0"
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@ -160,6 +171,12 @@ version = "0.22.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
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[[package]]
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name = "bitflags"
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version = "1.3.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
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[[package]]
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name = "bitflags"
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version = "2.6.0"
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@ -194,6 +211,25 @@ version = "1.7.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8318a53db07bb3f8dca91a600466bdb3f2eaadeedfdbcf02e1accbad9271ba50"
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[[package]]
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name = "cbindgen"
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version = "0.24.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4b922faaf31122819ec80c4047cc684c6979a087366c069611e33649bf98e18d"
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dependencies = [
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"clap",
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"heck 0.4.1",
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"indexmap 1.9.3",
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"log",
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"proc-macro2",
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"quote",
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"serde",
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"serde_json",
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"syn 1.0.109",
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"tempfile",
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"toml",
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]
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[[package]]
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name = "cc"
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version = "1.1.20"
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@ -229,11 +265,36 @@ dependencies = [
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"windows-targets 0.52.6",
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]
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[[package]]
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name = "clap"
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version = "3.2.25"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4ea181bf566f71cb9a5d17a59e1871af638180a18fb0035c92ae62b705207123"
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dependencies = [
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"atty",
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"bitflags 1.3.2",
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"clap_lex",
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"indexmap 1.9.3",
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"strsim",
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"termcolor",
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"textwrap",
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]
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[[package]]
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name = "clap_lex"
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version = "0.2.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2850f2f5a82cbf437dd5af4d49848fbdfc27c157c3d010345776f952765261c5"
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dependencies = [
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"os_str_bytes",
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]
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[[package]]
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name = "codemp"
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version = "0.7.2"
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dependencies = [
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"async-trait",
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"cbindgen",
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"codemp-proto",
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"dashmap",
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"diamond-types",
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@ -531,12 +592,27 @@ version = "0.14.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
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[[package]]
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name = "heck"
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version = "0.4.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
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[[package]]
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name = "heck"
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version = "0.5.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
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[[package]]
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name = "hermit-abi"
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version = "0.1.19"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
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dependencies = [
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"libc",
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]
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[[package]]
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name = "hermit-abi"
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version = "0.3.9"
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@ -893,7 +969,7 @@ version = "1.0.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "80e04d1dcff3aae0704555fe5fee3bcfaf3d1fdf8a7e521d5b9d2b42acb52cec"
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dependencies = [
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"hermit-abi",
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"hermit-abi 0.3.9",
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"libc",
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"wasi",
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"windows-sys 0.52.0",
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@ -950,7 +1026,7 @@ version = "2.16.10"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "04409e8c2d61995696e44d2181b79b68c1dd41f7e24a17cde60bbd9f54ddddef"
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dependencies = [
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"bitflags",
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"bitflags 2.6.0",
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"chrono",
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"ctor",
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"encoding_rs",
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@ -1076,6 +1152,12 @@ dependencies = [
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"num-traits",
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]
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[[package]]
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name = "os_str_bytes"
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version = "6.6.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e2355d85b9a3786f481747ced0e0ff2ba35213a1f9bd406ed906554d7af805a1"
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[[package]]
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name = "overload"
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version = "0.1.1"
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@ -1220,7 +1302,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f8650aabb6c35b860610e9cff5dc1af886c9e25073b7b1712a68972af4281302"
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dependencies = [
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"bytes",
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"heck",
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"heck 0.5.0",
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"itertools",
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"log",
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"multimap",
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@ -1312,7 +1394,7 @@ version = "0.22.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1be962f0e06da8f8465729ea2cb71a416d2257dff56cbe40a70d3e62a93ae5d1"
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dependencies = [
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"heck",
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"heck 0.5.0",
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"proc-macro2",
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"pyo3-build-config",
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"quote",
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@ -1364,7 +1446,7 @@ version = "0.5.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0884ad60e090bf1345b93da0a5de8923c93884cd03f40dfcfddd3b4bee661853"
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dependencies = [
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"bitflags",
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"bitflags 2.6.0",
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]
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[[package]]
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@ -1438,7 +1520,7 @@ version = "0.38.37"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8acb788b847c24f28525660c4d7758620a7210875711f79e7f663cc152726811"
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dependencies = [
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"bitflags",
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"bitflags 2.6.0",
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"errno",
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"libc",
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"linux-raw-sys",
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@ -1542,7 +1624,7 @@ version = "2.11.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "897b2245f0b511c87893af39b033e5ca9cce68824c4d7e7630b5a1d339658d02"
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dependencies = [
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"bitflags",
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"bitflags 2.6.0",
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"core-foundation",
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"core-foundation-sys",
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"libc",
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@ -1682,6 +1764,12 @@ version = "0.4.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e9557cb6521e8d009c51a8666f09356f4b817ba9ba0981a305bd86aee47bd35c"
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[[package]]
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name = "strsim"
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version = "0.10.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
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[[package]]
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name = "subtle"
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version = "2.6.1"
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@ -1741,6 +1829,21 @@ dependencies = [
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"windows-sys 0.59.0",
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]
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[[package]]
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name = "termcolor"
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version = "1.4.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "06794f8f6c5c898b3275aebefa6b8a1cb24cd2c6c79397ab15774837a0bc5755"
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dependencies = [
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"winapi-util",
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]
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[[package]]
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name = "textwrap"
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version = "0.16.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "23d434d3f8967a09480fb04132ebe0a3e088c173e6d0ee7897abbdf4eab0f8b9"
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[[package]]
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name = "thiserror"
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version = "1.0.63"
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@ -1833,6 +1936,15 @@ dependencies = [
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"tokio",
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]
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[[package]]
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name = "toml"
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version = "0.5.11"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f4f7f0dd8d50a853a531c426359045b1998f04219d88799810762cd4ad314234"
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dependencies = [
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"serde",
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]
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[[package]]
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name = "toml_datetime"
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version = "0.6.8"
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@ -62,6 +62,8 @@ serde = { version = "1.0", features = ["derive"], optional = true }
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napi-build = { version = "2.1", optional = true }
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# glue (python)
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pyo3-build-config = { version = "0.22", optional = true }
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# glue (C)
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cbindgen = { version = "0.24", optional = true }
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[features]
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default = []
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@ -73,6 +75,7 @@ java = ["lazy_static", "jni", "tracing-subscriber", "jni-toolbox"]
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js = ["napi-build", "tracing-subscriber", "napi", "napi-derive"]
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py-noabi = ["pyo3", "tracing-subscriber", "pyo3-build-config"]
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py = ["py-noabi", "pyo3/abi3-py38"]
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c = ["cbindgen"]
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lua = ["mlua-codemp-patch", "tracing-subscriber", "lazy_static", "serialize"]
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lua54 =["lua", "mlua-codemp-patch/lua54"]
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luajit = ["lua", "mlua-codemp-patch/luajit"]
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12
build.rs
12
build.rs
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@ -4,6 +4,9 @@ extern crate napi_build;
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#[cfg(any(feature = "py", feature = "py-noabi"))]
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extern crate pyo3_build_config;
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#[cfg(feature = "c")]
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extern crate cbindgen;
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/// The main method of the buildscript, required by some glue modules.
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fn main() {
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#[cfg(feature = "js")]
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println!("cargo:rustc-cdylib-link-arg=dynamic_lookup");
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}
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}
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#[cfg(feature = "c")]
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{
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cbindgen::Builder::new()
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.with_crate(std::env::var("CARGO_MANIFEST_DIR").unwrap())
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.generate()
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.expect("Unable to generate bindings")
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.write_to_file("dist/c/codemp.h");
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}
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}
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28
dist/c/codemp.h
vendored
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28
dist/c/codemp.h
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@ -0,0 +1,28 @@
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#include <cstdarg>
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#include <cstdint>
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#include <cstdlib>
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#include <ostream>
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#include <new>
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/// A `codemp` client handle.
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///
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/// It generates a new UUID and stores user credentials upon connecting.
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///
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/// A new [`Client`] can be obtained with [`Client::connect`].
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struct Client;
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/// A currently active shared development environment
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///
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/// Workspaces encapsulate a working environment: cursor positions, filetree, user list
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/// and more. Each holds a [cursor::Controller] and a map of [buffer::Controller]s.
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/// Using a workspace handle, it's possible to receive events (user join/leave, filetree updates)
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/// and create/delete/attach to new buffers.
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struct Workspace;
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extern "C" {
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Client *Codemp_Client_connect();
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Workspace *Codemp_Client_join_workspace(Client *client, char *workspace);
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} // extern "C"
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45
src/ffi/c/mod.rs
Normal file
45
src/ffi/c/mod.rs
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@ -0,0 +1,45 @@
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use std::ffi::{c_char, CString};
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use crate::{api::Config, Client, Workspace};
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pub(crate) fn tokio() -> &'static tokio::runtime::Runtime {
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use std::sync::OnceLock;
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static RT: OnceLock<tokio::runtime::Runtime> = OnceLock::new();
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RT.get_or_init(||
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tokio::runtime::Builder::new_current_thread()
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.enable_all()
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.build()
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.expect("could not create tokio runtime")
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)
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}
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#[no_mangle] // TODO config
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pub extern "C" fn Codemp_Client_connect() -> *mut Client {
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match tokio()
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.block_on(Client::connect(Config::new("", "")))
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{
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Ok(c) => Box::into_raw(Box::new(c)),
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Err(e) => {
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tracing::error!("failed connecting to remote: {e}");
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std::ptr::null_mut()
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},
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}
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}
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#[no_mangle]
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pub unsafe extern "C" fn Codemp_Client_join_workspace(client: *mut Client, workspace: *mut c_char) -> *mut Workspace {
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let client = unsafe { Box::leak(Box::from_raw(client)) };
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let workspace = unsafe { CString::from_raw(workspace) }.to_string_lossy().to_string();
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match tokio()
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.block_on(client.join_workspace(workspace))
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{
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Ok(ws) => Box::into_raw(Box::new(ws)),
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Err(e) => {
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tracing::error!("failed joining workspace: {e}");
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std::ptr::null_mut()
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},
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}
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}
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@ -58,3 +58,7 @@ pub mod js;
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/// python bindings, built with [pyo3]
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#[cfg(any(feature = "py", feature = "py-noabi"))]
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pub mod python;
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/// c bindings, generated with [cbindgen]
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#[cfg(feature = "c")]
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pub mod c;
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