Reuse Error function for error creation

boa_parser/src/error.rs

@@ -125,11 +125,11 @@ impl Error {
         }
     }
 
-    /// Creates a "general" parsing error with the specific error message for a wrong function declaration in an if statement.
-    pub(crate) fn function_declaration_in_if(position: Position, strict: bool) -> Self {
+    /// Creates a "general" parsing error with the specific error message for a misplaced function declaration.
+    pub(crate) fn misplaced_function_declaration(position: Position, strict: bool) -> Self {
         Self::General {
             message: format!(
-                "{}functions can only be declared at top level or inside a block.",
+                "{}functions can only be declared at the top level or inside a block.",
                 if strict { "in strict mode code, " } else { "" }
             )
             .into(),
@@ -140,7 +140,7 @@ impl Error {
     /// Creates a "general" parsing error with the specific error message for a wrong function declaration with label.
     pub(crate) fn wrong_labelled_function_declaration(position: Position) -> Self {
         Self::General {
-            message: "labelled functions can only be declared at top level or inside a block"
+            message: "labelled functions can only be declared at the top level or inside a block"
                 .into(),
             position,
         }

boa_parser/src/parser/statement/if_stm/mod.rs

@@ -78,7 +78,7 @@ where
                 // FunctionDeclarations in IfStatement Statement Clauses
                 // https://tc39.es/ecma262/#sec-functiondeclarations-in-ifstatement-statement-clauses
                 if cfg!(not(feature = "annex-b")) || strict {
-                    return Err(Error::function_declaration_in_if(position, strict));
+                    return Err(Error::misplaced_function_declaration(position, strict));
                 }
                 // Source text matched by this production is processed as if each matching
                 // occurrence of FunctionDeclaration[?Yield, ?Await, ~Default] was the sole
@@ -117,7 +117,9 @@ where
                             // FunctionDeclarations in IfStatement Statement Clauses
                             // https://tc39.es/ecma262/#sec-functiondeclarations-in-ifstatement-statement-clauses
                             if cfg!(not(feature = "annex-b")) || strict {
-                                return Err(Error::function_declaration_in_if(position, strict));
+                                return Err(Error::misplaced_function_declaration(
+                                    position, strict,
+                                ));
                             }
 
                             // Source text matched by this production is processed as if each matching

boa_parser/src/parser/statement/labelled_stm/mod.rs

@@ -68,12 +68,9 @@ where
             TokenKind::Keyword((Keyword::Function, _))
                 if cfg!(not(feature = "annex-b")) || strict =>
             {
-                return Err(Error::general(
-                    format!(
-                        "{}functions can only be declared at top level or inside a block.",
-                        if strict { "in strict mode code, " } else { "" },
-                    ),
+                return Err(Error::misplaced_function_declaration(
                     next_token.span().start(),
+                    strict,
                 ))
             }
             TokenKind::Keyword((Keyword::Function, _)) => {