Rename Initialization error to Instatiation

src/interpreter/mod.rs

@@ -42,8 +42,9 @@ pub enum Error {
 	Program(String),
 	/// Validation error.
 	Validation(String),
-	/// Initialization error.
-	Initialization(String),
+	/// Error while instantiating a module. Might occur when provided
+	/// with incorrect exports (i.e. linkage failure).
+	Instatiation(String),
 	/// Function-level error.
 	Function(String),
 	/// Table-level error.
@@ -75,7 +76,7 @@ impl Into<String> for Error {
 		match self {
 			Error::Program(s) => s,
 			Error::Validation(s) => s,
-			Error::Initialization(s) => s,
+			Error::Instatiation(s) => s,
 			Error::Function(s) => s,
 			Error::Table(s) => s,
 			Error::Memory(s) => s,
@@ -97,7 +98,7 @@ impl ::std::fmt::Display for Error {
 		match *self {
 			Error::Program(ref s) => write!(f, "Program: {}", s),
 			Error::Validation(ref s) => write!(f, "Validation: {}", s),
-			Error::Initialization(ref s) => write!(f, "Initialization: {}", s),
+			Error::Instatiation(ref s) => write!(f, "Instatiation: {}", s),
 			Error::Function(ref s) => write!(f, "Function: {}", s),
 			Error::Table(ref s) => write!(f, "Table: {}", s),
 			Error::Memory(ref s) => write!(f, "Memory: {}", s),

src/interpreter/module.rs

@@ -167,7 +167,7 @@ impl<St> ModuleInstance<St> {
 				.map(|is| is.entries())
 				.unwrap_or(&[]);
 			if imports.len() != extern_vals.len() {
-				return Err(Error::Initialization(format!(
+				return Err(Error::Instatiation(format!(
 					"extern_vals length is not equal to import section entries"
 				)));
 			}
@@ -181,7 +181,7 @@ impl<St> ModuleInstance<St> {
 							.expect("Due to validation function type should exists");
 						let actual_fn_type = func.func_type();
 						if expected_fn_type != actual_fn_type {
-							return Err(Error::Initialization(format!(
+							return Err(Error::Instatiation(format!(
 								"Expected function with type {:?}, but actual type is {:?} for entry {}",
 								expected_fn_type,
 								actual_fn_type,
@@ -200,7 +200,7 @@ impl<St> ModuleInstance<St> {
 					}
 					(&External::Global(ref gl), &ExternVal::Global(ref global)) => {
 						if gl.content_type() != global.value_type() {
-							return Err(Error::Initialization(format!(
+							return Err(Error::Instatiation(format!(
 								"Expect global with {:?} type, but provided global with {:?} type",
 								gl.content_type(),
 								global.value_type(),
@@ -209,7 +209,7 @@ impl<St> ModuleInstance<St> {
 						instance.push_global(Rc::clone(global))
 					}
 					(expected_import, actual_extern_val) => {
-						return Err(Error::Initialization(format!(
+						return Err(Error::Instatiation(format!(
 							"Expected {:?} type, but provided {:?} extern_val",
 							expected_import,
 							actual_extern_val
@@ -369,7 +369,7 @@ impl<St> ModuleInstance<St> {
 			let module_name = import_entry.module();
 			let field_name = import_entry.field();
 			let resolver = imports.resolver(module_name).ok_or_else(|| {
-				Error::Initialization(format!("Module {} not found", module_name))
+				Error::Instatiation(format!("Module {} not found", module_name))
 			})?;
 			let extern_val = match *import_entry.external() {
 				External::Function(fn_ty_idx) => {
@@ -600,7 +600,7 @@ fn eval_init_expr<T>(init_expr: &InitExpr, module: &ModuleInstance<T>) -> Runtim
 
 fn match_limits(l1: &ResizableLimits, l2: &ResizableLimits) -> Result<(), Error> {
 	if l1.initial() < l2.initial() {
-		return Err(Error::Initialization(format!(
+		return Err(Error::Instatiation(format!(
 			"trying to import with limits l1.initial={} and l2.initial={}",
 			l1.initial(),
 			l2.initial()
@@ -611,7 +611,7 @@ fn match_limits(l1: &ResizableLimits, l2: &ResizableLimits) -> Result<(), Error>
 		(_, None) => (),
 		(Some(m1), Some(m2)) if m1 <= m2 => (),
 		_ => {
-			return Err(Error::Initialization(format!(
+			return Err(Error::Instatiation(format!(
 				"trying to import with limits l1.max={:?} and l2.max={:?}",
 				l1.maximum(),
 				l2.maximum()

src/interpreter/tests/basics.rs

@@ -379,7 +379,7 @@ fn memory_import_limits_initial() {
 			.build();
 		match program.add_module("client", client_module, &mut ()).map(|_| ()) {
 			Ok(_) if !is_error => (),
-			Err(Error::Initialization(_)) if is_error => (),
+			Err(Error::Instatiation(_)) if is_error => (),
 			x @ _ => panic!("unexpected result for test_case {:?}: {:?}", test_case, x),
 		}
 	}
@@ -411,7 +411,7 @@ fn memory_import_limits_maximum() {
 
 		program.add_module("core", core_module, &mut ()).unwrap();
 		match program.add_module("client", client_module, &mut ()).map(|_| ()) {
-			Err(Error::Initialization(actual_err)) => match expected_err {
+			Err(Error::Instatiation(actual_err)) => match expected_err {
 				MaximumError::ValueMismatch
 					if actual_err == format!("trying to import with limits l1.max={:?} and l2.max={:?}", core_maximum, client_maximum) => (),
 				_ => panic!("unexpected validation error for test_case {:?}: {}", test_case, actual_err),
@@ -445,7 +445,7 @@ fn table_import_limits_initial() {
 			.build();
 		match program.add_module("client", client_module, &mut ()).map(|_| ()) {
 			Ok(_) if !is_error => (),
-			Err(Error::Initialization(ref actual_error))
+			Err(Error::Instatiation(ref actual_error))
 				if is_error && actual_error == &format!("trying to import with limits l1.initial=10 and l2.initial={}", import_initial) => (),
 			x @ _ => panic!("unexpected result for test_case {:?}: {:?}", test_case, x),
 		}
@@ -478,7 +478,7 @@ fn table_import_limits_maximum() {
 
 		program.add_module("core", core_module, &mut ()).unwrap();
 		match program.add_module("client", client_module, &mut ()).map(|_| ()) {
-			Err(Error::Initialization(actual_err)) => match expected_err {
+			Err(Error::Instatiation(actual_err)) => match expected_err {
 				MaximumError::ValueMismatch
 					if actual_err == format!("trying to import with limits l1.max={:?} and l2.max={:?}", core_maximum, client_maximum) => (),
 				_ => panic!("unexpected validation error for test_case {:?}: {}", test_case, actual_err),