Simplify error message

src/language/ast/ASTNodeIncDecExpressionBuilder.cpp

@@ -11,7 +11,7 @@ ASTNodeIncDecExpressionBuilder::ASTNodeIncDecExpressionBuilder(ASTNode& n)
 
   if (not n.children[0]->is_type<language::name>()) {
     std::ostringstream error_message;
-    error_message << "invalid operand type. ++/-- operators only apply to variables";
+    error_message << "invalid operand type, expecting a variable";
 
     throw ParseError(error_message.str(), std::vector{n.children[0]->begin()});
   }

tests/test_ASTNodeIncDecExpressionBuilder.cpp

@@ -323,8 +323,7 @@ x--;
 
       ast->children.emplace_back(std::make_unique<ASTNode>());
 
-      REQUIRE_THROWS_WITH(ASTNodeIncDecExpressionBuilder{*ast},
-                          "invalid operand type. ++/-- operators only apply to variables");
+      REQUIRE_THROWS_WITH(ASTNodeIncDecExpressionBuilder{*ast}, "invalid operand type, expecting a variable");
     }
 
     SECTION("Invalid data type")
@@ -346,7 +345,7 @@ x--;
 1 ++ ++;
 )";
 
-        std::string error_message = R"(invalid operand type. ++/-- operators only apply to variables)";
+        std::string error_message = R"(invalid operand type, expecting a variable)";
 
         DISALLOWED_CHAINED_AST(data, error_message)
       }
@@ -357,7 +356,7 @@ x--;
 1 ++ --;
 )";
 
-        std::string error_message = R"(invalid operand type. ++/-- operators only apply to variables)";
+        std::string error_message = R"(invalid operand type, expecting a variable)";
 
         DISALLOWED_CHAINED_AST(data, error_message)
       }
@@ -368,7 +367,7 @@ x--;
 1 -- ++;
 )";
 
-        std::string error_message = R"(invalid operand type. ++/-- operators only apply to variables)";
+        std::string error_message = R"(invalid operand type, expecting a variable)";
 
         DISALLOWED_CHAINED_AST(data, error_message)
       }
@@ -379,7 +378,7 @@ x--;
 1 -- --;
 )";
 
-        std::string error_message = R"(invalid operand type. ++/-- operators only apply to variables)";
+        std::string error_message = R"(invalid operand type, expecting a variable)";
 
         DISALLOWED_CHAINED_AST(data, error_message)
       }
@@ -390,7 +389,7 @@ x--;
 ++ ++ 1;
 )";
 
-        std::string error_message = R"(invalid operand type. ++/-- operators only apply to variables)";
+        std::string error_message = R"(invalid operand type, expecting a variable)";
 
         DISALLOWED_CHAINED_AST(data, error_message)
       }
@@ -401,7 +400,7 @@ x--;
 ++ -- 1;
 )";
 
-        std::string error_message = R"(invalid operand type. ++/-- operators only apply to variables)";
+        std::string error_message = R"(invalid operand type, expecting a variable)";
 
         DISALLOWED_CHAINED_AST(data, error_message)
       }
@@ -412,7 +411,7 @@ x--;
 -- ++ 1;
 )";
 
-        std::string error_message = R"(invalid operand type. ++/-- operators only apply to variables)";
+        std::string error_message = R"(invalid operand type, expecting a variable)";
 
         DISALLOWED_CHAINED_AST(data, error_message)
       }
@@ -423,7 +422,7 @@ x--;
 -- -- 1;
 )";
 
-        std::string error_message = R"(invalid operand type. ++/-- operators only apply to variables)";
+        std::string error_message = R"(invalid operand type, expecting a variable)";
 
         DISALLOWED_CHAINED_AST(data, error_message)
       }
@@ -434,7 +433,7 @@ x--;
 ++ (1 ++);
 )";
 
-        std::string error_message = R"(invalid operand type. ++/-- operators only apply to variables)";
+        std::string error_message = R"(invalid operand type, expecting a variable)";
 
         DISALLOWED_CHAINED_AST(data, error_message)
       }
@@ -445,7 +444,7 @@ x--;
 ++ (1 --);
 )";
 
-        std::string error_message = R"(invalid operand type. ++/-- operators only apply to variables)";
+        std::string error_message = R"(invalid operand type, expecting a variable)";
 
         DISALLOWED_CHAINED_AST(data, error_message)
       }
@@ -456,7 +455,7 @@ x--;
 -- (1 ++);
 )";
 
-        std::string error_message = R"(invalid operand type. ++/-- operators only apply to variables)";
+        std::string error_message = R"(invalid operand type, expecting a variable)";
 
         DISALLOWED_CHAINED_AST(data, error_message)
       }
@@ -467,7 +466,7 @@ x--;
 -- (1 --);
 )";
 
-        std::string error_message = R"(invalid operand type. ++/-- operators only apply to variables)";
+        std::string error_message = R"(invalid operand type, expecting a variable)";
 
         DISALLOWED_CHAINED_AST(data, error_message)
       }
@@ -478,7 +477,7 @@ x--;
 (++ 1) ++;
 )";
 
-        std::string error_message = R"(invalid operand type. ++/-- operators only apply to variables)";
+        std::string error_message = R"(invalid operand type, expecting a variable)";
 
         DISALLOWED_CHAINED_AST(data, error_message)
       }
@@ -489,7 +488,7 @@ x--;
 (++ 1) --;
 )";
 
-        std::string error_message = R"(invalid operand type. ++/-- operators only apply to variables)";
+        std::string error_message = R"(invalid operand type, expecting a variable)";
 
         DISALLOWED_CHAINED_AST(data, error_message)
       }
@@ -500,7 +499,7 @@ x--;
 (-- 1) ++;
 )";
 
-        std::string error_message = R"(invalid operand type. ++/-- operators only apply to variables)";
+        std::string error_message = R"(invalid operand type, expecting a variable)";
 
         DISALLOWED_CHAINED_AST(data, error_message)
       }
@@ -511,7 +510,7 @@ x--;
 (-- 1) --;
 )";
 
-        std::string error_message = R"(invalid operand type. ++/-- operators only apply to variables)";
+        std::string error_message = R"(invalid operand type, expecting a variable)";
 
         DISALLOWED_CHAINED_AST(data, error_message)
       }