uci: start working on interface
This commit is contained in:
parent
7d83efe953
commit
d72042e455
95
Cargo.lock
generated
95
Cargo.lock
generated
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@ -8,6 +8,14 @@ dependencies = [
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"winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "arrayvec"
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version = "0.4.12"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"nodrop 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "atty"
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version = "0.2.14"
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@ -25,7 +33,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "cfg-if"
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version = "0.1.10"
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version = "0.1.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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@ -47,7 +55,7 @@ name = "getrandom"
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version = "0.1.14"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
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"cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
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"libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
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"wasi 0.9.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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@ -60,11 +68,44 @@ dependencies = [
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"libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "lexical-core"
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version = "0.6.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"arrayvec 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
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"bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
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"rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"ryu 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"static_assertions 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "libc"
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version = "0.2.71"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "memchr"
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version = "2.3.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "nodrop"
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version = "0.1.14"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "nom"
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version = "5.1.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"lexical-core 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
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"memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"version_check 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "ppv-lite86"
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version = "0.2.8"
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@ -107,6 +148,37 @@ dependencies = [
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"rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "rustc_version"
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version = "0.2.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "ryu"
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version = "1.0.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "semver"
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version = "0.9.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "semver-parser"
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version = "0.7.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "static_assertions"
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version = "0.3.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "strsim"
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version = "0.8.0"
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@ -130,6 +202,7 @@ name = "vatu"
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version = "0.1.0"
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dependencies = [
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"clap 2.33.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"nom 5.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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@ -138,6 +211,11 @@ name = "vec_map"
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version = "0.8.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "version_check"
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version = "0.9.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "wasi"
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version = "0.9.0+wasi-snapshot-preview1"
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@ -164,22 +242,33 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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[metadata]
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"checksum ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
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"checksum arrayvec 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)" = "cd9fd44efafa8690358b7408d253adf110036b88f55672a933f01d616ad9b1b9"
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"checksum atty 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)" = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
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"checksum bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
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"checksum cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
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"checksum cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "b486ce3ccf7ffd79fdeb678eac06a9e6c09fc88d33836340becb8fffe87c5e33"
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"checksum clap 2.33.1 (registry+https://github.com/rust-lang/crates.io-index)" = "bdfa80d47f954d53a35a64987ca1422f495b8d6483c0fe9f7117b36c2a792129"
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"checksum getrandom 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)" = "7abc8dd8451921606d809ba32e95b6111925cd2906060d2dcc29c070220503eb"
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"checksum hermit-abi 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "91780f809e750b0a89f5544be56617ff6b1227ee485bcb06ebe10cdf89bd3b71"
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"checksum lexical-core 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)" = "f86d66d380c9c5a685aaac7a11818bdfa1f733198dfd9ec09c70b762cd12ad6f"
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"checksum libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)" = "9457b06509d27052635f90d6466700c65095fdf75409b3fbdd903e988b886f49"
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"checksum memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3728d817d99e5ac407411fa471ff9800a778d88a24685968b36824eaf4bee400"
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"checksum nodrop 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)" = "72ef4a56884ca558e5ddb05a1d1e7e1bfd9a68d9ed024c21704cc98872dae1bb"
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"checksum nom 5.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0b471253da97532da4b61552249c521e01e736071f71c1a4f7ebbfbf0a06aad6"
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"checksum ppv-lite86 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "237a5ed80e274dbc66f86bd59c1e25edc039660be53194b5fe0a482e0f2612ea"
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"checksum rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
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"checksum rand_chacha 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
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"checksum rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
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"checksum rand_hc 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
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"checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
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"checksum ryu 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
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"checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
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"checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
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"checksum static_assertions 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "7f3eb36b47e512f8f1c9e3d10c2c1965bc992bd9cdb024fa581e2194501c83d3"
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"checksum strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
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"checksum textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
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"checksum unicode-width 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "caaa9d531767d1ff2150b9332433f32a24622147e5ebb1f26409d5da67afd479"
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"checksum vec_map 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
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"checksum version_check 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
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"checksum wasi 0.9.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)" = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
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"checksum winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6"
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"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
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@ -6,4 +6,5 @@ edition = "2018"
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[dependencies]
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clap = "2.33"
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nom = "5"
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rand = "0.7"
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60
src/board.rs
60
src/board.rs
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@ -75,6 +75,7 @@ pub fn pos(s: &str) -> Pos {
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/// defining the state of the square.
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pub type Board = [u8; 64];
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/// Generate the board of a new game.
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pub fn new() -> Board {
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[
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/* 1 2 3 4 5 6 7 8 */
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@ -89,10 +90,47 @@ pub fn new() -> Board {
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]
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}
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/// Generate an empty board.
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pub fn new_empty() -> Board {
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[SQ_E; 64]
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}
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pub const FEN_START: &str = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1";
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/// Generate a board from a FEN string.
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///
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/// This will only parse the first FEN field.
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pub fn new_from_fen(fen: &str) -> Board {
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let mut board = [SQ_E; 64];
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let mut f = 0;
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let mut r = 7;
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for c in fen.chars() {
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match c {
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'r' => { set_square(&mut board, &(f, r), SQ_BL_R); f += 1 }
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'n' => { set_square(&mut board, &(f, r), SQ_BL_N); f += 1 }
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'b' => { set_square(&mut board, &(f, r), SQ_BL_B); f += 1 }
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'q' => { set_square(&mut board, &(f, r), SQ_BL_Q); f += 1 }
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'k' => { set_square(&mut board, &(f, r), SQ_BL_K); f += 1 }
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'p' => { set_square(&mut board, &(f, r), SQ_BL_P); f += 1 }
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'R' => { set_square(&mut board, &(f, r), SQ_WH_R); f += 1 }
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'N' => { set_square(&mut board, &(f, r), SQ_WH_N); f += 1 }
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'B' => { set_square(&mut board, &(f, r), SQ_WH_B); f += 1 }
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'Q' => { set_square(&mut board, &(f, r), SQ_WH_Q); f += 1 }
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'K' => { set_square(&mut board, &(f, r), SQ_WH_K); f += 1 }
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'P' => { set_square(&mut board, &(f, r), SQ_WH_P); f += 1 }
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'/' => { f = 0; r -= 1; }
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d if d.is_digit(10) => { f += d.to_digit(10).unwrap() as i8 }
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_ => break,
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}
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}
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board
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}
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/// Return true of both boards are equal.
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pub fn eq(b1: &Board, b2: &Board) -> bool {
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b1.iter().zip(b2.iter()).all(|(a, b)| a == b)
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}
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#[inline]
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pub fn get_square(board: &Board, coords: &Pos) -> u8 {
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board[(coords.0 * 8 + coords.1) as usize]
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@ -109,7 +147,9 @@ pub fn clear_square(board: &mut Board, coords: &Pos) {
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}
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#[inline]
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pub fn is_empty(board: &Board, coords: &Pos) -> bool { get_square(board, coords) == SQ_E }
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pub fn is_empty(board: &Board, coords: &Pos) -> bool {
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get_square(board, coords) == SQ_E
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}
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/// Count number of pieces on board
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pub fn num_pieces(board: &Board) -> u8 {
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@ -192,6 +232,24 @@ mod tests {
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assert_eq!(pos("h8"), (7, 7));
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}
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#[test]
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fn test_new_from_fen() {
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let b1 = new();
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let b2 = new_from_fen(FEN_START);
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assert!(eq(&b1, &b2));
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}
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#[test]
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fn test_eq() {
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let mut b1 = new();
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let b2 = new();
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assert!(eq(&b1, &b2));
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set_square(&mut b1, &pos("a1"), SQ_E);
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assert!(!eq(&b1, &b2));
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set_square(&mut b1, &pos("a1"), SQ_WH_R);
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assert!(eq(&b1, &b2));
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}
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#[test]
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fn test_get_square() {
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let b = new();
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13
src/main.rs
13
src/main.rs
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@ -5,6 +5,7 @@ use clap::{App, AppSettings, Arg, ArgMatches, SubCommand};
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pub mod board;
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pub mod cli;
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pub mod rules;
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pub mod uci;
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fn main() {
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let matches = App::new("Vatu")
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@ -15,10 +16,16 @@ fn main() {
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.help("Color for the player")
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.short("c").long("color").takes_value(true).required(false)
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.possible_values(&["w", "white", "b", "black"])))
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.subcommand(SubCommand::with_name("uci")
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.about("Start engine in UCI mode")
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.arg(Arg::with_name("output")
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.help("Log file path")
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.short("o").long("output").takes_value(true).required(false)))
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.get_matches();
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process::exit(match matches.subcommand() {
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("cli", Some(a)) => cmd_cli(a),
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("uci", Some(a)) => cmd_uci(a),
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_ => 0,
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})
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}
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@ -39,3 +46,9 @@ fn cmd_cli(args: &ArgMatches) -> i32 {
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cli::start_game(color);
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0
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}
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fn cmd_uci(args: &ArgMatches) -> i32 {
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let output = args.value_of("output");
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uci::start(output);
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0
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}
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17
src/notation.rs
Normal file
17
src/notation.rs
Normal file
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@ -0,0 +1,17 @@
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//! Functions using various notations.
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use nom::IResult;
|
||||
|
||||
/// FEN notation for positions, split into fields.
|
||||
pub struct Fen {
|
||||
placement: String,
|
||||
color: String,
|
||||
castling: String,
|
||||
en_passant: String,
|
||||
halfmove: String,
|
||||
fullmove: String,
|
||||
}
|
||||
|
||||
fn parse_fen(i: &str) -> IResult<&str, Fen> {
|
||||
|
||||
}
|
||||
146
src/uci.rs
Normal file
146
src/uci.rs
Normal file
|
|
@ -0,0 +1,146 @@
|
|||
//! UCI management.
|
||||
|
||||
use std::fs;
|
||||
use std::io::{self, Write};
|
||||
|
||||
use nom::IResult;
|
||||
use nom::branch::alt;
|
||||
use nom::character::is_space;
|
||||
use nom::bytes::complete::{tag, take_while};
|
||||
|
||||
use crate::board;
|
||||
|
||||
const VATU_NAME: &str = env!("CARGO_PKG_NAME");
|
||||
const VATU_AUTHORS: &str = env!("CARGO_PKG_AUTHORS");
|
||||
|
||||
/// Hold some values related to UCI comms.
|
||||
pub struct Uci {
|
||||
state: State,
|
||||
board: board::Board,
|
||||
logfile: Option<fs::File>,
|
||||
}
|
||||
|
||||
/// Internal UCI state.
|
||||
#[derive(PartialEq)]
|
||||
pub enum State {
|
||||
Init,
|
||||
Ready,
|
||||
}
|
||||
|
||||
/// UCI remote commands, received by engine.
|
||||
#[derive(Debug)]
|
||||
pub enum RemoteCmd {
|
||||
Uci,
|
||||
IsReady,
|
||||
UciNewGame,
|
||||
Stop,
|
||||
Position(String),
|
||||
Quit,
|
||||
Unknown(String),
|
||||
}
|
||||
|
||||
impl Uci {
|
||||
fn listen(&mut self) {
|
||||
loop {
|
||||
if let Some(cmd) = self.receive() {
|
||||
match parse_command(&cmd) {
|
||||
Ok((_, cmd)) => {
|
||||
if !self.handle_command(&cmd) {
|
||||
break
|
||||
}
|
||||
}
|
||||
_ => {
|
||||
self.log(format!("Unknown command: {}", cmd))
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn log(&mut self, s: String) {
|
||||
match self.logfile.as_ref() {
|
||||
Some(mut f) => {
|
||||
f.write_all(s.as_bytes()).ok();
|
||||
f.write_all("\n".as_bytes()).ok();
|
||||
f.flush().ok();
|
||||
}
|
||||
None => {
|
||||
eprintln!("{}", s);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Read a command from the interface.
|
||||
fn receive(&mut self) -> Option<String> {
|
||||
let mut s = String::new();
|
||||
match io::stdin().read_line(&mut s) {
|
||||
Ok(_) => { self.log(format!(">>> {}", s.trim_end())); Some(s.trim().to_string()) }
|
||||
Err(e) => { self.log(format!("Failed to read input: {:?}", e)); None }
|
||||
}
|
||||
}
|
||||
|
||||
/// Send replies to the interface.
|
||||
fn send(&mut self, s: &str) {
|
||||
self.log(format!("<<< {}", s));
|
||||
println!("{}", s);
|
||||
}
|
||||
|
||||
/// Handle a remote command, return false if engine should stop listening.
|
||||
fn handle_command(&mut self, cmd: &RemoteCmd) -> bool {
|
||||
match cmd {
|
||||
RemoteCmd::Uci => if self.state == State::Init { self.identify(); },
|
||||
RemoteCmd::IsReady => if self.state == State::Ready { self.ready() },
|
||||
RemoteCmd::UciNewGame => if self.state == State::Ready { /* Nothing to do. */ },
|
||||
RemoteCmd::Stop => if self.state == State::Ready { /* Nothing to do. */ },
|
||||
RemoteCmd::Quit => return false,
|
||||
_ => { self.log(format!("Unknown command: {:?}", cmd)); }
|
||||
}
|
||||
true
|
||||
}
|
||||
|
||||
/// Send IDs to interface.
|
||||
fn identify(&mut self) {
|
||||
self.send(&format!("id name {}", VATU_NAME));
|
||||
self.send(&format!("id author {}", VATU_AUTHORS));
|
||||
self.send("uciok");
|
||||
self.state = State::Ready;
|
||||
}
|
||||
|
||||
fn ready(&mut self) {
|
||||
self.send("readyok");
|
||||
self.state = State::Ready;
|
||||
}
|
||||
}
|
||||
|
||||
/// Start UCI I/O.
|
||||
pub fn start(output: Option<&str>) {
|
||||
let mut uci = Uci {
|
||||
state: State::Init,
|
||||
board: board::new_empty(),
|
||||
logfile: None
|
||||
};
|
||||
if let Some(output) = output {
|
||||
match fs::File::create(output) {
|
||||
Ok(f) => { uci.logfile = Some(f) }
|
||||
Err(e) => { eprintln!("Could not open log file: {}", e) }
|
||||
}
|
||||
}
|
||||
uci.listen();
|
||||
}
|
||||
|
||||
fn take_non_space(i: &str) -> IResult<&str, &str> {
|
||||
take_while(|c| c != ' ')(i)
|
||||
}
|
||||
|
||||
fn parse_command(i: &str) -> IResult<&str, RemoteCmd> {
|
||||
let (i, cmd) = take_non_space(i)?;
|
||||
match cmd {
|
||||
"uci" => Ok((i, RemoteCmd::Uci)),
|
||||
"isready" => Ok((i, RemoteCmd::IsReady)),
|
||||
"ucinewgame" => Ok((i, RemoteCmd::UciNewGame)),
|
||||
"stop" => Ok((i, RemoteCmd::Stop)),
|
||||
"position" => Ok((i, RemoteCmd::Position(i.trim().to_string()))),
|
||||
"quit" => Ok((i, RemoteCmd::Quit)),
|
||||
c => Ok((i, RemoteCmd::Unknown(c.to_string()))),
|
||||
}
|
||||
}
|
||||
Reference in a new issue