git.delta.rocks / jrsonnet / refs/commits / 9f8d4fc520b3

--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3,6 +3,17 @@
 version = 3
 
 [[package]]
+name = "ahash"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fcb51a0695d8f838b1ee009b3fbf66bda078cd64590202a864a8f3e8c4315c47"
+dependencies = [
+ "getrandom",
+ "once_cell",
+ "version_check",
+]
+
+[[package]]
 name = "annotate-snippets"
 version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -69,6 +80,12 @@
 checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
 
 [[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
 name = "clap"
 version = "3.1.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -152,12 +169,32 @@
 ]
 
 [[package]]
+name = "getrandom"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9be70c98951c83b8d2f8f60d7065fa6d5146873094452a1008da8c2f1e4205ad"
+dependencies = [
+ "cfg-if 1.0.0",
+ "libc",
+ "wasi",
+]
+
+[[package]]
 name = "hashbrown"
 version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
 
 [[package]]
+name = "hashbrown"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "db0d4cf898abf0081f964436dc980e96670a0f36863e4b83aaacdb65c9d7ccc3"
+dependencies = [
+ "ahash",
+]
+
+[[package]]
 name = "heck"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -179,7 +216,7 @@
 checksum = "bc633605454125dec4b66843673f01c7df2b89479b32e0ed634e43a91cff62a5"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.11.2",
 ]
 
 [[package]]
@@ -221,6 +258,7 @@
  "base64",
  "bincode",
  "gcmodule",
+ "hashbrown 0.12.1",
  "jrsonnet-interner",
  "jrsonnet-macros",
  "jrsonnet-parser",
@@ -232,6 +270,8 @@
  "serde",
  "serde_json",
  "serde_yaml",
+ "static_assertions",
+ "strsim",
  "thiserror",
 ]
 
@@ -240,6 +280,7 @@
 version = "0.4.2"
 dependencies = [
  "gcmodule",
+ "hashbrown 0.12.1",
  "rustc-hash",
  "serde",
 ]
@@ -262,6 +303,7 @@
  "jrsonnet-stdlib",
  "peg",
  "serde",
+ "static_assertions",
 ]
 
 [[package]]
@@ -293,9 +335,9 @@
 
 [[package]]
 name = "libc"
-version = "0.2.108"
+version = "0.2.125"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8521a1b57e76b1ec69af7599e75e38e7b7fad6610f037db8c79b127201b5d119"
+checksum = "5916d2ae698f6de9bfb891ad7a8d65c09d232dc58cc4ac433c7da3b2fd84bc2b"
 
 [[package]]
 name = "linked-hash-map"
@@ -338,6 +380,12 @@
 ]
 
 [[package]]
+name = "once_cell"
+version = "1.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87f3e037eac156d1775da914196f0f37741a274155e34a0b7e427c35d2a2ecb9"
+
+[[package]]
 name = "os_str_bytes"
 version = "6.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -359,7 +407,7 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d58c7c768d4ba344e3e8d72518ac13e259d7c7ade24167003b8488e10b6740a3"
 dependencies = [
- "cfg-if",
+ "cfg-if 0.1.10",
  "cloudabi",
  "libc",
  "redox_syscall",
@@ -516,6 +564,12 @@
 checksum = "1ecab6c735a6bb4139c0caafd0cc3635748bbb3acf4550e8138122099251f309"
 
 [[package]]
+name = "static_assertions"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
+
+[[package]]
 name = "strsim"
 version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -598,6 +652,12 @@
 checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
 
 [[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"

--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,9 +1,5 @@
 [workspace]
-members = [
-	"crates/*",
-	"bindings/jsonnet",
-	"cmds/jrsonnet",
-]
+members = ["crates/*", "bindings/jsonnet", "cmds/jrsonnet"]
 
 [profile.test]
 opt-level = 1
@@ -14,3 +10,4 @@
 codegen-units = 1
 debug = 0
 panic = "abort"
+strip = true

--- a/bindings/jsonnet/src/import.rs
+++ b/bindings/jsonnet/src/import.rs
@@ -32,9 +32,9 @@
 	out: RefCell<HashMap<PathBuf, Vec<u8>>>,
 }
 impl ImportResolver for CallbackImportResolver {
-	fn resolve_file(&self, from: &Path, path: &Path) -> Result<PathBuf> {
+	fn resolve_file(&self, from: &Path, path: &str) -> Result<PathBuf> {
 		let base = CString::new(from.to_str().unwrap()).unwrap().into_raw();
-		let rel = CString::new(path.to_str().unwrap()).unwrap().into_raw();
+		let rel = CString::new(path).unwrap().into_raw();
 		let found_here: *mut c_char = null_mut();
 		let mut success: i32 = 0;
 		let result_ptr = unsafe {
@@ -108,17 +108,17 @@
 	}
 }
 impl ImportResolver for NativeImportResolver {
-	fn resolve_file(&self, from: &Path, path: &Path) -> Result<PathBuf> {
+	fn resolve_file(&self, from: &Path, path: &str) -> Result<PathBuf> {
 		let mut new_path = from.to_owned();
 		new_path.push(path);
 		if new_path.exists() {
-			Ok(new_path.into())
+			Ok(new_path)
 		} else {
 			for library_path in self.library_paths.borrow().iter() {
 				let mut cloned = library_path.clone();
 				cloned.push(path);
 				if cloned.exists() {
-					return Ok(cloned.into());
+					return Ok(cloned);
 				}
 			}
 			throw!(ImportFileNotFound(from.to_owned(), path.to_owned()))

--- a/bindings/jsonnet/src/vars_tlas.rs
+++ b/bindings/jsonnet/src/vars_tlas.rs
@@ -20,11 +20,8 @@
 pub unsafe extern "C" fn jsonnet_ext_code(vm: &State, name: *const c_char, value: *const c_char) {
 	let name = CStr::from_ptr(name);
 	let value = CStr::from_ptr(value);
-	vm.add_ext_code(
-		name.to_str().unwrap().into(),
-		value.to_str().unwrap().into(),
-	)
-	.unwrap()
+	vm.add_ext_code(name.to_str().unwrap(), value.to_str().unwrap().into())
+		.unwrap()
 }
 /// # Safety
 #[no_mangle]
@@ -41,9 +38,6 @@
 pub unsafe extern "C" fn jsonnet_tla_code(vm: &State, name: *const c_char, value: *const c_char) {
 	let name = CStr::from_ptr(name);
 	let value = CStr::from_ptr(value);
-	vm.add_tla_code(
-		name.to_str().unwrap().into(),
-		value.to_str().unwrap().into(),
-	)
-	.unwrap()
+	vm.add_tla_code(name.to_str().unwrap().into(), value.to_str().unwrap())
+		.unwrap()
 }

--- a/crates/jrsonnet-evaluator/Cargo.toml
+++ b/crates/jrsonnet-evaluator/Cargo.toml
@@ -7,13 +7,16 @@
 edition = "2021"
 
 [features]
-default = ["serialized-stdlib", "explaining-traces"]
+default = ["serialized-stdlib", "explaining-traces", "friendly-errors"]
 # Serializes standard library AST instead of parsing them every run
 serialized-stdlib = ["bincode", "jrsonnet-parser/serde"]
 # Rustc-like trace visualization
 explaining-traces = ["annotate-snippets"]
 # Allows library authors to throw custom errors
 anyhow-error = ["anyhow"]
+# Provides helpful explaintations to errors, at cost of adding
+# more dependencies and slowing down error path
+friendly-errors = ["strsim"]
 
 # Allows to preserve field order in objects
 exp-preserve-order = []
@@ -42,20 +45,13 @@
 serde_json = "1.0"
 serde_yaml = { git = "https://github.com/CertainLach/serde-yaml", branch = "feature/old-octals-quirk" }
 
-[dependencies.anyhow]
-version = "1.0"
-optional = true
-
+anyhow = { version = "1.0", optional = true }
+# Friendly errors
+strsim = { version = "0.10.0", optional = true }
 # Serialized stdlib
-[dependencies.bincode]
-version = "1.3"
-optional = true
-
+bincode = { version = "1.3", optional = true }
 # Explaining traces
-[dependencies.annotate-snippets]
-version = "0.9.1"
-features = ["color"]
-optional = true
+annotate-snippets = { version = "0.9.1", features = ["color"], optional = true }
 
 [build-dependencies]
 jrsonnet-stdlib = { path = "../jrsonnet-stdlib", version = "0.4.2" }

--- a/crates/jrsonnet-evaluator/src/error.rs
+++ b/crates/jrsonnet-evaluator/src/error.rs
@@ -11,6 +11,30 @@
 	typed::TypeLocError,
 };
 
+fn format_found(list: &[IStr], what: &str) -> String {
+	if list.is_empty() {
+		return String::new();
+	}
+	let mut out = String::new();
+	out.push_str("\nThere is ");
+	out.push_str(what);
+	if list.len() > 1 {
+		out.push('s');
+	}
+	out.push_str(" with similar name");
+	if list.len() > 1 {
+		out.push('s');
+	}
+	out.push_str(" present: ");
+	for (i, v) in list.iter().enumerate() {
+		if i != 0 {
+			out.push_str(", ");
+		}
+		out.push_str(v as &str);
+	}
+	out
+}
+
 #[derive(Error, Debug, Clone, Trace)]
 pub enum Error {
 	#[error("intrinsic not found: {0}")]
@@ -39,15 +63,15 @@
 	#[error("assert failed: {0}")]
 	AssertionFailed(IStr),
 
-	#[error("variable is not defined: {0}")]
-	VariableIsNotDefined(IStr),
+	#[error("variable is not defined: {0}{}", format_found(.1, "variable"))]
+	VariableIsNotDefined(IStr, Vec<IStr>),
 	#[error("duplicate local var: {0}")]
 	DuplicateLocalVar(IStr),
 
 	#[error("type mismatch: expected {}, got {2} {0}", .1.iter().map(|e| format!("{}", e)).collect::<Vec<_>>().join(", "))]
 	TypeMismatch(&'static str, Vec<ValType>, ValType),
-	#[error("no such field: {0}")]
-	NoSuchField(IStr),
+	#[error("no such field: {0}{}", format_found(.1, "field"))]
+	NoSuchField(IStr, Vec<IStr>),
 
 	#[error("only functions can be called, got {0}")]
 	OnlyFunctionsCanBeCalledGot(ValType),

--- a/crates/jrsonnet-evaluator/src/evaluate/mod.rs
+++ b/crates/jrsonnet-evaluator/src/evaluate/mod.rs
@@ -1,4 +1,4 @@
-use std::rc::Rc;
+use std::{cmp::Ordering, rc::Rc};
 
 use gcmodule::{Cc, Trace};
 use jrsonnet_interner::IStr;
@@ -450,7 +450,29 @@
 					|| format!("field <{}> access", key),
 					|| match v.get(s.clone(), key.clone()) {
 						Ok(Some(v)) => Ok(v),
-						Ok(None) => throw!(NoSuchField(key.clone())),
+						#[cfg(not(feature = "friendly-errors"))]
+						Ok(None) => throw!(NoSuchField(key.clone(), vec![])),
+						#[cfg(feature = "friendly-errors")]
+						Ok(None) => {
+							let mut heap = Vec::new();
+							for field in v.fields_ex(
+								true,
+								#[cfg(feature = "exp-preserve-order")]
+								false,
+							) {
+								let conf = strsim::jaro_winkler(&field as &str, &key as &str);
+								if conf < 0.8 {
+									continue;
+								}
+								heap.push((conf, field));
+							}
+							heap.sort_by(|a, b| b.0.partial_cmp(&a.0).unwrap_or(Ordering::Equal));
+
+							throw!(NoSuchField(
+								key.clone(),
+								heap.into_iter().map(|(_, v)| v).collect()
+							))
+						}
 						Err(e) if matches!(e.error(), MagicThisFileUsed) => {
 							Ok(Val::Str(loc.0.full_path().into()))
 						}
@@ -630,14 +652,14 @@
 			let path = s.resolve_file(&import_location, path as &str)?;
 			match i {
 				Import(_) => s.push(
-				CallLocation::new(loc),
+					CallLocation::new(loc),
 					|| format!("import {:?}", path.clone()),
 					|| s.import(path.clone()),
 				)?,
 				ImportStr(_) => Val::Str(s.import_str(path)?),
 				ImportBin(_) => Val::Arr(ArrValue::Bytes(s.import_bin(path)?)),
 				_ => unreachable!(),
-		}
+			}
 		}
 	})
 }