From a00105deed5a58f318162f30576978e40466066e Mon Sep 17 00:00:00 2001
From: Maaz Ahmed <maaz.a@subcom.tech>
Date: Tue, 26 Dec 2023 12:57:52 +0530
Subject: [PATCH] feat: initial impl of promql validation macro
---
Cargo.lock | 490 +++++++++++++++++++++++++++----
Cargo.toml | 2 +
mquery-macros/Cargo.lock | 607 +++++++++++++++++++++++++++++++++++++++
mquery-macros/Cargo.toml | 13 +
mquery-macros/src/lib.rs | 24 ++
src/lib.rs | 28 +-
src/macros.rs | 5 +
7 files changed, 1110 insertions(+), 59 deletions(-)
create mode 100644 mquery-macros/Cargo.lock
create mode 100644 mquery-macros/Cargo.toml
create mode 100644 mquery-macros/src/lib.rs
create mode 100644 src/macros.rs
diff --git a/Cargo.lock b/Cargo.lock
index c7c374e..4d3a98d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,6 +17,21 @@ version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
+[[package]]
+name = "aho-corasick"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2969dcb958b36655471fc61f7e416fa76033bdd4bfed0678d8fee1e2d07a1f0"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "anyhow"
+version = "1.0.76"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59d2a3357dde987206219e78ecfbbb6e8dad06cbb65292758d3270e6254f7355"
+
[[package]]
name = "autocfg"
version = "1.1.0"
@@ -31,7 +46,7 @@ checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
dependencies = [
"addr2line",
"cc",
- "cfg-if",
+ "cfg-if 1.0.0",
"libc",
"miniz_oxide",
"object",
@@ -44,6 +59,15 @@ version = "0.21.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "35636a1494ede3b646cc98f74f8e62c773a38a659ebc777a2cf26b9b74171df9"
+[[package]]
+name = "bincode"
+version = "1.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1f45e9417d87227c7a56d22e471c6206462cba514c7590c09aff4cf6d1ddcad"
+dependencies = [
+ "serde",
+]
+
[[package]]
name = "bitflags"
version = "1.3.2"
@@ -68,6 +92,12 @@ version = "1.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a2bd12c1caf447e69cd4528f47f94d203fd2582878ecb9e9465484c4148a8223"
+[[package]]
+name = "cactus"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf034765b7d19a011c6d619e880582bf95e8186b580e6fab56589872dd87dcf5"
+
[[package]]
name = "cc"
version = "1.0.83"
@@ -77,12 +107,32 @@ dependencies = [
"libc",
]
+[[package]]
+name = "cfg-if"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
+
[[package]]
name = "cfg-if"
version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+[[package]]
+name = "cfgrammar"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf74ea341ae8905eac9a234b6a5a845e118c25bbbdecf85ec77431a8b3bfa0be"
+dependencies = [
+ "indexmap 1.9.3",
+ "lazy_static",
+ "num-traits",
+ "regex",
+ "serde",
+ "vob",
+]
+
[[package]]
name = "core-foundation"
version = "0.9.4"
@@ -105,30 +155,29 @@ version = "0.8.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fca89a0e215bab21874660c67903c5f143333cab1da83d041c7ded6053774751"
dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
"crossbeam-epoch",
"crossbeam-utils",
]
[[package]]
name = "crossbeam-epoch"
-version = "0.9.16"
+version = "0.9.17"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d2fe95351b870527a5d09bf563ed3c97c0cffb87cf1c78a591bf48bb218d9aa"
+checksum = "0e3681d554572a651dda4186cd47240627c3d0114d45a95f6ad27f2f22e7548d"
dependencies = [
"autocfg",
- "cfg-if",
+ "cfg-if 1.0.0",
"crossbeam-utils",
- "memoffset",
]
[[package]]
name = "crossbeam-utils"
-version = "0.8.17"
+version = "0.8.18"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c06d96137f14f244c37f989d9fff8f95e6c18b918e71f36638f8c49112e4c78f"
+checksum = "c3a430a770ebd84726f584a90ee7f020d28db52c6d02138900f22341f866d39c"
dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
]
[[package]]
@@ -159,7 +208,7 @@ version = "0.8.33"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7268b386296a025e474d5140678f75d6de9493ae55a5d709eeb9dd08149945e1"
dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
]
[[package]]
@@ -171,7 +220,27 @@ dependencies = [
"heck",
"proc-macro2",
"quote",
- "syn",
+ "syn 2.0.43",
+]
+
+[[package]]
+name = "enum-iterator"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7add3873b5dd076766ee79c8e406ad1a472c385476b9e38849f8eec24f1be689"
+dependencies = [
+ "enum-iterator-derive",
+]
+
+[[package]]
+name = "enum-iterator-derive"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eecf8589574ce9b895052fa12d69af7a233f99e6107f5cb8dd1044f2a17bfdcb"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.43",
]
[[package]]
@@ -196,6 +265,18 @@ version = "2.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "25cbce373ec4653f1a01a31e8a5e5ec0c622dc27ff9c4e6606eefef5cbbed4a5"
+[[package]]
+name = "filetime"
+version = "0.2.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ee447700ac8aa0b2f2bd7bc4462ad686ba06baa6727ac149a2d6277f0d240fd"
+dependencies = [
+ "cfg-if 1.0.0",
+ "libc",
+ "redox_syscall",
+ "windows-sys 0.52.0",
+]
+
[[package]]
name = "fnv"
version = "1.0.7"
@@ -228,36 +309,36 @@ dependencies = [
[[package]]
name = "futures-channel"
-version = "0.3.29"
+version = "0.3.30"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ff4dd66668b557604244583e3e1e1eada8c5c2e96a6d0d6653ede395b78bbacb"
+checksum = "eac8f7d7865dcb88bd4373ab671c8cf4508703796caa2b1985a9ca867b3fcb78"
dependencies = [
"futures-core",
]
[[package]]
name = "futures-core"
-version = "0.3.29"
+version = "0.3.30"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eb1d22c66e66d9d72e1758f0bd7d4fd0bee04cad842ee34587d68c07e45d088c"
+checksum = "dfc6580bb841c5a68e9ef15c77ccc837b40a7504914d52e47b8b0e9bbda25a1d"
[[package]]
name = "futures-sink"
-version = "0.3.29"
+version = "0.3.30"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e36d3378ee38c2a36ad710c5d30c2911d752cb941c00c72dbabfb786a7970817"
+checksum = "9fb8e00e87438d937621c1c6269e53f536c14d3fbd6a042bb24879e57d474fb5"
[[package]]
name = "futures-task"
-version = "0.3.29"
+version = "0.3.30"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "efd193069b0ddadc69c46389b740bbccdd97203899b48d09c5f7969591d6bae2"
+checksum = "38d84fa142264698cdce1a9f9172cf383a0c82de1bddcf3092901442c4097004"
[[package]]
name = "futures-util"
-version = "0.3.29"
+version = "0.3.30"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a19526d624e703a3179b3d322efec918b6246ea0fa51d41124525f00f1cc8104"
+checksum = "3d6401deb83407ab3da39eba7e33987a73c3df0c82b4bb5813ee871c19c41d48"
dependencies = [
"futures-core",
"futures-task",
@@ -265,6 +346,27 @@ dependencies = [
"pin-utils",
]
+[[package]]
+name = "getopts"
+version = "0.2.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "14dbbfd5c71d70241ecf9e6f13737f7b5ce823821063188d7e46c41d371eebd5"
+dependencies = [
+ "unicode-width",
+]
+
+[[package]]
+name = "getset"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e45727250e75cc04ff2846a66397da8ef2b3db8e40e0cef4df67950a07621eb9"
+dependencies = [
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
[[package]]
name = "gimli"
version = "0.28.1"
@@ -283,13 +385,19 @@ dependencies = [
"futures-sink",
"futures-util",
"http",
- "indexmap",
+ "indexmap 2.1.0",
"slab",
"tokio",
"tokio-util",
"tracing",
]
+[[package]]
+name = "hashbrown"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
+
[[package]]
name = "hashbrown"
version = "0.14.3"
@@ -389,6 +497,16 @@ dependencies = [
"unicode-normalization",
]
+[[package]]
+name = "indexmap"
+version = "1.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
+dependencies = [
+ "autocfg",
+ "hashbrown 0.12.3",
+]
+
[[package]]
name = "indexmap"
version = "2.1.0"
@@ -396,7 +514,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
dependencies = [
"equivalent",
- "hashbrown",
+ "hashbrown 0.14.3",
]
[[package]]
@@ -445,20 +563,64 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
[[package]]
-name = "memchr"
-version = "2.6.4"
+name = "lrlex"
+version = "0.12.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f665ee40bc4a3c5590afb1e9677db74a508659dfd71e126420da8274909a0167"
+checksum = "22b832738fbfa58ad036580929e973b3b6bd31c6d6c7f18f6b5ea7b626675c85"
+dependencies = [
+ "getopts",
+ "lazy_static",
+ "lrpar",
+ "num-traits",
+ "regex",
+ "serde",
+ "try_from",
+ "vergen",
+]
[[package]]
-name = "memoffset"
-version = "0.9.0"
+name = "lrpar"
+version = "0.12.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
+checksum = "2f270b952b07995fe874b10a5ed7dd28c80aa2130e37a7de7ed667d034e0a521"
dependencies = [
- "autocfg",
+ "bincode",
+ "cactus",
+ "cfgrammar",
+ "filetime",
+ "indexmap 1.9.3",
+ "lazy_static",
+ "lrtable",
+ "num-traits",
+ "packedvec",
+ "regex",
+ "serde",
+ "static_assertions",
+ "vergen",
+ "vob",
+]
+
+[[package]]
+name = "lrtable"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a854115c6a10772ac154261592b082436abc869c812575cadcf9d7ceda8eff0b"
+dependencies = [
+ "cfgrammar",
+ "fnv",
+ "num-traits",
+ "serde",
+ "sparsevec",
+ "static_assertions",
+ "vob",
]
+[[package]]
+name = "memchr"
+version = "2.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f665ee40bc4a3c5590afb1e9677db74a508659dfd71e126420da8274909a0167"
+
[[package]]
name = "mime"
version = "0.3.17"
@@ -491,6 +653,7 @@ version = "0.3.1"
dependencies = [
"dotenv",
"enum-as-inner",
+ "mquery-macros",
"prometheus-http-query",
"rayon",
"reqwest",
@@ -500,6 +663,14 @@ dependencies = [
"url",
]
+[[package]]
+name = "mquery-macros"
+version = "0.1.0"
+dependencies = [
+ "promql-parser",
+ "quote",
+]
+
[[package]]
name = "native-tls"
version = "0.2.11"
@@ -518,6 +689,15 @@ dependencies = [
"tempfile",
]
+[[package]]
+name = "num-traits"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
+dependencies = [
+ "autocfg",
+]
+
[[package]]
name = "num_cpus"
version = "1.16.0"
@@ -530,9 +710,9 @@ dependencies = [
[[package]]
name = "object"
-version = "0.32.1"
+version = "0.32.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
+checksum = "a6a622008b6e321afc04970976f62ee297fdbaa6f95318ca343e3eebb9648441"
dependencies = [
"memchr",
]
@@ -545,12 +725,12 @@ checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
[[package]]
name = "openssl"
-version = "0.10.61"
+version = "0.10.62"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b8419dc8cc6d866deb801274bba2e6f8f6108c1bb7fcc10ee5ab864931dbb45"
+checksum = "8cde4d2d9200ad5909f8dac647e29482e07c3a35de8a13fce7c9c7747ad9f671"
dependencies = [
"bitflags 2.4.1",
- "cfg-if",
+ "cfg-if 1.0.0",
"foreign-types",
"libc",
"once_cell",
@@ -566,7 +746,7 @@ checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
dependencies = [
"proc-macro2",
"quote",
- "syn",
+ "syn 2.0.43",
]
[[package]]
@@ -577,9 +757,9 @@ checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
[[package]]
name = "openssl-sys"
-version = "0.9.97"
+version = "0.9.98"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3eaad34cdd97d81de97964fc7f29e2d104f483840d906ef56daa1912338460b"
+checksum = "c1665caf8ab2dc9aef43d1c0023bd904633a6a05cb30b0ad59bec2ae986e57a7"
dependencies = [
"cc",
"libc",
@@ -587,6 +767,16 @@ dependencies = [
"vcpkg",
]
+[[package]]
+name = "packedvec"
+version = "1.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bde3c690ec20e4a2b4fb46f0289a451181eb50011a1e2acc8d85e2fde9062a45"
+dependencies = [
+ "num-traits",
+ "serde",
+]
+
[[package]]
name = "percent-encoding"
version = "2.3.1"
@@ -607,9 +797,9 @@ checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
[[package]]
name = "pkg-config"
-version = "0.3.27"
+version = "0.3.28"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26072860ba924cbfa98ea39c8c19b4dd6a4a25423dbdf219c1eca91aa0cf6964"
+checksum = "69d3587f8a9e599cc7ec2c00e331f71c4e69a5f9a4b8a6efd5b07466b9736f9a"
[[package]]
name = "powerfmt"
@@ -617,11 +807,35 @@ version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
+[[package]]
+name = "proc-macro-error"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
+dependencies = [
+ "proc-macro-error-attr",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+ "version_check",
+]
+
+[[package]]
+name = "proc-macro-error-attr"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "version_check",
+]
+
[[package]]
name = "proc-macro2"
-version = "1.0.70"
+version = "1.0.71"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39278fbbf5fb4f646ce651690877f89d1c5811a3d4acb27700c1cb3cdb78fd3b"
+checksum = "75cb1540fadbd5b8fbccc4dddad2734eba435053f725621c070711a14bb5f4b8"
dependencies = [
"unicode-ident",
]
@@ -640,6 +854,19 @@ dependencies = [
"url",
]
+[[package]]
+name = "promql-parser"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a24c16fbf55ea420c6286ef5ee86772062332d9f3b10d24a6edbc2e88840e1ad"
+dependencies = [
+ "cfgrammar",
+ "lazy_static",
+ "lrlex",
+ "lrpar",
+ "regex",
+]
+
[[package]]
name = "quote"
version = "1.0.33"
@@ -678,6 +905,35 @@ dependencies = [
"bitflags 1.3.2",
]
+[[package]]
+name = "regex"
+version = "1.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "380b951a9c5e80ddfd6136919eef32310721aa4aacd4889a8d39124b026ab343"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f804c7828047e88b2d32e2d7fe5a105da8ee3264f01902f796c8e067dc2483f"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
+
[[package]]
name = "reqwest"
version = "0.11.23"
@@ -722,6 +978,15 @@ version = "0.1.23"
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checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
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+ "semver",
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+
[[package]]
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@@ -735,6 +1000,12 @@ dependencies = [
"windows-sys 0.52.0",
]
+[[package]]
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+
[[package]]
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@@ -773,6 +1044,12 @@ dependencies = [
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]
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+
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dependencies = [
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"quote",
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+ "syn 2.0.43",
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[[package]]
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]
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checksum = "7ef1adac450ad7f4b3c28589471ade84f25f731a7a0fe30d71dfa9f60fd808e5"
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+ "cfg-if 1.0.0",
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"rustix",
"windows-sys 0.48.0",
]
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+checksum = "f657ba42c3f86e7680e53c8cd3af8abbe56b5491790b46e22e19c0d57463583e"
dependencies = [
"deranged",
+ "itoa",
"powerfmt",
"serde",
"time-core",
@@ -901,9 +1228,9 @@ checksum = "ef927ca75afb808a4d64dd374f00a2adf8d0fcff8e7b184af886c3c87ec4a3f3"
[[package]]
name = "time-macros"
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+checksum = "26197e33420244aeb70c3e8c78376ca46571bc4e701e4791c2cd9f57dcb3a43f"
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[[package]]
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dependencies = [
"proc-macro2",
"quote",
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+ "syn 2.0.43",
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checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
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+ "cfg-if 0.1.10",
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+
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"tinyvec",
]
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+
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+ "cfg-if 1.0.0",
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+dependencies = [
+ "num-traits",
+ "rustc_version",
+ "serde",
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checksum = "0ed0d4f68a3015cc185aff4db9506a015f4b96f95303897bfa23f846db54064e"
dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
"wasm-bindgen-macro",
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@@ -1081,7 +1455,7 @@ dependencies = [
"once_cell",
"proc-macro2",
"quote",
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+ "syn 2.0.43",
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checksum = "ac36a15a220124ac510204aec1c3e5db8a22ab06fd6706d881dc6149f8ed9a12"
dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
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dependencies = [
"proc-macro2",
"quote",
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+ "syn 2.0.43",
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dependencies = [
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+ "cfg-if 1.0.0",
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diff --git a/Cargo.toml b/Cargo.toml
index e921aa1..cf21836 100644
--- a/Cargo.toml
+++ b/Cargo.toml
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serde = { version = "1.0.193", optional = true }
serde_json = { version = "1.0.108", optional = true }
rayon = { version = "1.8.0", optional = true }
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new file mode 100644
index 0000000..f728216
--- /dev/null
+++ b/mquery-macros/Cargo.lock
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diff --git a/mquery-macros/Cargo.toml b/mquery-macros/Cargo.toml
new file mode 100644
index 0000000..fcd7a8b
--- /dev/null
+++ b/mquery-macros/Cargo.toml
@@ -0,0 +1,13 @@
+[package]
+name = "mquery-macros"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+promql-parser = "0.3.1"
+quote = "1.0.33"
+
+[lib]
+proc-macro = true
diff --git a/mquery-macros/src/lib.rs b/mquery-macros/src/lib.rs
new file mode 100644
index 0000000..bd861e4
--- /dev/null
+++ b/mquery-macros/src/lib.rs
@@ -0,0 +1,24 @@
+extern crate proc_macro;
+
+use proc_macro::TokenStream;
+use quote::quote;
+
+/// Compile time validation of PromQL queries
+///
+/// The macro takes a query as input (unquoted), and returns a `ValidatedQuery<&'static str>` if it's valid
+/// or generates a compiler error based on what's wrong with the provided query.
+///
+/// Note, in its current implementation, the macro is recommended only for development purposes.
+///
+/// # Example
+/// ```
+/// let query = promql!(sum(http_requests)); // returns `ValidatedQuery<&str>`
+/// ```
+#[proc_macro]
+pub fn promql(stream: TokenStream) -> TokenStream {
+ let query = stream.to_string();
+ match promql_parser::parser::parse(&query) {
+ Ok(_) => quote!(::mquery::ValidatedQuery(#query)).into(),
+ Err(e) => quote!(compile_error!(#e)).into(),
+ }
+}
diff --git a/src/lib.rs b/src/lib.rs
index 197e61f..42b74f6 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,14 +1,19 @@
#![doc = include_str!("../README.md")]
+#[cfg(feature = "macros")]
+pub mod macros;
pub mod query;
pub mod result;
#[cfg(feature = "utils")]
pub mod utils;
+use std::fmt::Display;
+
use prometheus_http_query::Client;
-use query::IntoQuery;
+use query::{ops::Operable, IntoQuery};
use reqwest::header::HeaderValue;
use result::{IntoQryResult, QryResult};
+use seal::Sealed;
use url::Url;
/// The primary way to send queries and get deserialized responses from the metrics server
@@ -156,3 +161,24 @@ pub enum Method {
mod seal {
pub trait Sealed {}
}
+
+/// Signifies that a query has been validated through some of the validation methods
+/// offered by the library
+pub struct ValidatedQuery<T: AsRef<str>>(pub T);
+
+impl<T: AsRef<str>> IntoQuery for ValidatedQuery<T> {
+ type Target = T;
+
+ fn into_query(self) -> Self::Target {
+ self.0
+ }
+}
+
+impl<T: AsRef<str>> Display for ValidatedQuery<T> {
+ fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+ self.0.as_ref().fmt(f)
+ }
+}
+
+impl<T: AsRef<str>> Operable for ValidatedQuery<T> {}
+impl<T: AsRef<str>> Sealed for ValidatedQuery<T> {}
diff --git a/src/macros.rs b/src/macros.rs
new file mode 100644
index 0000000..ce8af8a
--- /dev/null
+++ b/src/macros.rs
@@ -0,0 +1,5 @@
+//! Dealing with queries with compile-time magic
+//!
+//! Enable this module with the feature flag `macros`
+
+pub use mquery_macros::promql;
--
GitLab