git.delta.rocks / jrsonnet / refs/commits / 629c80c906d4

difftreelog

fix disallow field duplicates

Yaroslav Bolyukin2022-04-20parent: #f455d54.patch.diff
in: master

5 files changed

modifiedcrates/jrsonnet-evaluator/src/error.rsdiffbeforeafterboth
--- a/crates/jrsonnet-evaluator/src/error.rs
+++ b/crates/jrsonnet-evaluator/src/error.rs
@@ -63,6 +63,8 @@
 
 	#[error("field name should be string, got {0}")]
 	FieldMustBeStringGot(ValType),
+	#[error("duplicate field name: {0}")]
+	DuplicateFieldName(IStr),
 
 	#[error("attempted to index array with string {0}")]
 	AttemptedIndexAnArrayWithString(IStr),
modifiedcrates/jrsonnet-evaluator/src/evaluate/mod.rsdiffbeforeafterboth
--- a/crates/jrsonnet-evaluator/src/evaluate/mod.rs
+++ b/crates/jrsonnet-evaluator/src/evaluate/mod.rs
@@ -298,7 +298,7 @@
 						context_creator: context_creator.clone(),
 						value: value.clone(),
 						name,
-					})));
+					})))?;
 			}
 			Member::Field(FieldMember {
 				name,
@@ -341,7 +341,7 @@
 						value: value.clone(),
 						params: params.clone(),
 						name,
-					})));
+					})))?;
 			}
 			Member::BindStmt(_) => {}
 			Member::AssertStmt(stmt) => {
@@ -424,7 +424,7 @@
 							.bindable(TraceBox(Box::new(ObjCompBinding {
 								context: ctx,
 								value: obj.value.clone(),
-							})));
+							})))?;
 					}
 					v => throw!(FieldMustBeStringGot(v.value_type())),
 				}
modifiedcrates/jrsonnet-evaluator/src/integrations/serde.rsdiffbeforeafterboth
before · crates/jrsonnet-evaluator/src/integrations/serde.rs
1use crate::{2	error::{Error::*, LocError, Result},3	throw, ObjValueBuilder, Val,4};5use serde_json::{Map, Number, Value};6use std::convert::{TryFrom, TryInto};78impl TryFrom<&Val> for Value {9	type Error = LocError;10	fn try_from(v: &Val) -> Result<Self> {11		Ok(match v {12			Val::Bool(b) => Self::Bool(*b),13			Val::Null => Self::Null,14			Val::Str(s) => Self::String((s as &str).into()),15			Val::Num(n) => Self::Number(if n.fract() <= f64::EPSILON {16				(*n as i64).into()17			} else {18				Number::from_f64(*n).expect("jsonnet numbers can't be infinite or NaN")19			}),20			Val::Arr(a) => {21				let mut out = Vec::with_capacity(a.len());22				for item in a.iter() {23					out.push(item?.try_into()?);24				}25				Self::Array(out)26			}27			Val::Obj(o) => {28				let mut out = Map::new();29				for key in o.fields() {30					out.insert(31						(&key as &str).into(),32						o.get(key)?33							.expect("key is present in fields, so value should exist")34							.try_into()?,35					);36				}37				Self::Object(out)38			}39			Val::Func(_) => throw!(RuntimeError("tried to manifest function".into())),40		})41	}42}43impl TryFrom<Val> for Value {44	type Error = LocError;4546	fn try_from(value: Val) -> Result<Self, Self::Error> {47		<Self as TryFrom<&Val>>::try_from(&value)48	}49}5051impl TryFrom<&Value> for Val {52	type Error = LocError;53	fn try_from(v: &Value) -> Result<Self> {54		Ok(match v {55			Value::Null => Self::Null,56			Value::Bool(v) => Self::Bool(*v),57			Value::Number(n) => Self::Num(n.as_f64().ok_or_else(|| {58				RuntimeError(format!("json number can't be represented as jsonnet: {}", n).into())59			})?),60			Value::String(s) => Self::Str((s as &str).into()),61			Value::Array(a) => {62				let mut out: Vec<Self> = Vec::with_capacity(a.len());63				for v in a {64					out.push(v.try_into()?);65				}66				Self::Arr(out.into())67			}68			Value::Object(o) => {69				let mut builder = ObjValueBuilder::with_capacity(o.len());70				for (k, v) in o {71					builder.member((k as &str).into()).value(v.try_into()?);72				}73				Self::Obj(builder.build())74			}75		})76	}77}78impl TryFrom<Value> for Val {79	type Error = LocError;8081	fn try_from(value: Value) -> Result<Self, Self::Error> {82		<Self as TryFrom<&Value>>::try_from(&value)83	}84}
modifiedcrates/jrsonnet-evaluator/src/obj.rsdiffbeforeafterboth
--- a/crates/jrsonnet-evaluator/src/obj.rs
+++ b/crates/jrsonnet-evaluator/src/obj.rs
@@ -1,6 +1,11 @@
+use crate::function::CallLocation;
 use crate::gc::{GcHashMap, GcHashSet, TraceBox};
 use crate::operator::evaluate_add_op;
-use crate::{cc_ptr_eq, weak_ptr_eq, weak_raw, Bindable, LazyBinding, LazyVal, Result, Val};
+use crate::push_frame;
+use crate::{
+	cc_ptr_eq, error::Error::*, throw, weak_ptr_eq, weak_raw, Bindable, LazyBinding, LazyVal,
+	Result, Val,
+};
 use gcmodule::{Cc, Trace, Weak};
 use jrsonnet_interner::IStr;
 use jrsonnet_parser::{ExprLocation, Visibility};
@@ -373,22 +378,29 @@
 		self.location = Some(location);
 		self
 	}
-	pub fn value(self, value: Val) -> &'v mut ObjValueBuilder {
+	pub fn value(self, value: Val) -> Result<()> {
 		self.binding(LazyBinding::Bound(LazyVal::new_resolved(value)))
 	}
-	pub fn bindable(self, bindable: TraceBox<dyn Bindable>) -> &'v mut ObjValueBuilder {
+	pub fn bindable(self, bindable: TraceBox<dyn Bindable>) -> Result<()> {
 		self.binding(LazyBinding::Bindable(Cc::new(bindable)))
 	}
-	pub fn binding(self, binding: LazyBinding) -> &'v mut ObjValueBuilder {
-		self.value.map.insert(
-			self.name,
+	pub fn binding(self, binding: LazyBinding) -> Result<()> {
+		let old = self.value.map.insert(
+			self.name.clone(),
 			ObjMember {
 				add: self.add,
 				visibility: self.visibility,
 				invoke: binding,
-				location: self.location,
+				location: self.location.clone(),
 			},
 		);
-		self.value
+		if old.is_some() {
+			push_frame(
+				CallLocation(self.location.as_ref()),
+				|| format!("field <{}> initializtion", self.name.clone()),
+				|| throw!(DuplicateFieldName(self.name.clone())),
+			)?
+		}
+		Ok(())
 	}
 }
modifiedcrates/jrsonnet-macros/src/lib.rsdiffbeforeafterboth
--- a/crates/jrsonnet-macros/src/lib.rs
+++ b/crates/jrsonnet-macros/src/lib.rs
@@ -459,12 +459,12 @@
 			if self.is_option() {
 				quote! {
 					if let Some(value) = self.#ident {
-						out.member(#name.into()).value(value.try_into()?);
+						out.member(#name.into()).value(value.try_into()?)?;
 					}
 				}
 			} else {
 				quote! {
-					out.member(#name.into()).value(self.#ident.try_into()?);
+					out.member(#name.into()).value(self.#ident.try_into()?)?;
 				}
 			}
 		} else if self.is_option() {