refactor: creating error and error type

Author: DeveloperC286

src/evaluator/expression/infix/mod.rs

@@ -1,4 +1,4 @@
-use crate::evaluator::model::object::Object;
+use crate::evaluator::model::object::{ErrorType, Object};
 use crate::evaluator::Evaluator;
 use crate::lexical_analysis::model::token::Token;
 use crate::syntax_analysis::model::abstract_syntax_tree::syntax_tree_node::Expression;
@@ -43,17 +43,23 @@ impl Evaluator {
                     },
                     _ => panic!("Operator token is not operator token."),
                 },
-                _ => Object::TypeMismatch,
+                _ => Object::Error {
+                    error_type: ErrorType::TypeMismatch,
+                },
             },
             Object::True => match self.evaluate_expression(right_hand) {
                 Object::True => evaluate_same_boolean(operator_token),
                 Object::False => evaluate_opposite_boolean(operator_token),
-                _ => Object::TypeMismatch,
+                _ => Object::Error {
+                    error_type: ErrorType::TypeMismatch,
+                },
             },
             Object::False => match self.evaluate_expression(right_hand) {
                 Object::False => evaluate_same_boolean(operator_token),
                 Object::True => evaluate_opposite_boolean(operator_token),
-                _ => Object::TypeMismatch,
+                _ => Object::Error {
+                    error_type: ErrorType::TypeMismatch,
+                },
             },
             _ => Object::Null,
         }
@@ -64,15 +70,19 @@ fn evaluate_same_boolean(operator_token: Token) -> Object {
     match operator_token {
         Token::Equals => Object::True,
         Token::NotEquals => Object::False,
-        _ => Object::UnknownOperator,
+        _ => Object::Error {
+            error_type: ErrorType::UnknownOperator,
+        },
     }
 }
 
 fn evaluate_opposite_boolean(operator_token: Token) -> Object {
     match operator_token {
         Token::Equals => Object::False,
         Token::NotEquals => Object::True,
-        _ => Object::UnknownOperator,
+        _ => Object::Error {
+            error_type: ErrorType::UnknownOperator,
+        },
     }
 }
 

src/evaluator/expression/infix/tests/snapshots/monkey_interpreter__evaluator__expression__infix__tests__test_evaluator_infix_type_mismatch_expressions_case1.snap

@@ -3,4 +3,6 @@ source: src/evaluator/expression/infix/tests/mod.rs
 expression: "evaluator.evaluate(crate::syntax_analysis::SyntaxAnalysis::from(crate::lexical_analysis::LexicalAnalysis::from(code)))"
 
 ---
-TypeMismatch
+Error {
+    error_type: TypeMismatch,
+}

src/evaluator/expression/infix/tests/snapshots/monkey_interpreter__evaluator__expression__infix__tests__test_evaluator_infix_type_mismatch_expressions_case2.snap

@@ -3,4 +3,6 @@ source: src/evaluator/expression/infix/tests/mod.rs
 expression: "evaluator.evaluate(crate::syntax_analysis::SyntaxAnalysis::from(crate::lexical_analysis::LexicalAnalysis::from(code)))"
 
 ---
-TypeMismatch
+Error {
+    error_type: TypeMismatch,
+}

src/evaluator/expression/infix/tests/snapshots/monkey_interpreter__evaluator__expression__infix__tests__test_evaluator_infix_type_mismatch_expressions_case3.snap

@@ -3,4 +3,6 @@ source: src/evaluator/expression/infix/tests/mod.rs
 expression: "evaluator.evaluate(crate::syntax_analysis::SyntaxAnalysis::from(crate::lexical_analysis::LexicalAnalysis::from(code)))"
 
 ---
-TypeMismatch
+Error {
+    error_type: TypeMismatch,
+}

src/evaluator/expression/infix/tests/snapshots/monkey_interpreter__evaluator__expression__infix__tests__test_evaluator_infix_type_mismatch_expressions_case4.snap

@@ -3,4 +3,6 @@ source: src/evaluator/expression/infix/tests/mod.rs
 expression: "evaluator.evaluate(crate::syntax_analysis::SyntaxAnalysis::from(crate::lexical_analysis::LexicalAnalysis::from(code)))"
 
 ---
-TypeMismatch
+Error {
+    error_type: TypeMismatch,
+}

src/evaluator/expression/infix/tests/snapshots/monkey_interpreter__evaluator__expression__infix__tests__test_evaluator_infix_unknown_operator_expressions_case1.snap

@@ -3,4 +3,6 @@ source: src/evaluator/expression/infix/tests/mod.rs
 expression: "evaluator.evaluate(crate::syntax_analysis::SyntaxAnalysis::from(crate::lexical_analysis::LexicalAnalysis::from(code)))"
 
 ---
-UnknownOperator
+Error {
+    error_type: UnknownOperator,
+}

src/evaluator/expression/infix/tests/snapshots/monkey_interpreter__evaluator__expression__infix__tests__test_evaluator_infix_unknown_operator_expressions_case2.snap

@@ -3,4 +3,6 @@ source: src/evaluator/expression/infix/tests/mod.rs
 expression: "evaluator.evaluate(crate::syntax_analysis::SyntaxAnalysis::from(crate::lexical_analysis::LexicalAnalysis::from(code)))"
 
 ---
-UnknownOperator
+Error {
+    error_type: UnknownOperator,
+}

src/evaluator/expression/infix/tests/snapshots/monkey_interpreter__evaluator__expression__infix__tests__test_evaluator_infix_unknown_operator_expressions_case3.snap

@@ -3,4 +3,6 @@ source: src/evaluator/expression/infix/tests/mod.rs
 expression: "evaluator.evaluate(crate::syntax_analysis::SyntaxAnalysis::from(crate::lexical_analysis::LexicalAnalysis::from(code)))"
 
 ---
-UnknownOperator
+Error {
+    error_type: UnknownOperator,
+}

src/evaluator/expression/prefix/mod.rs

@@ -1,4 +1,4 @@
-use crate::evaluator::model::object::Object;
+use crate::evaluator::model::object::{ErrorType, Object};
 use crate::evaluator::Evaluator;
 use crate::lexical_analysis::model::token::Token;
 use crate::syntax_analysis::model::abstract_syntax_tree::syntax_tree_node::Expression;
@@ -14,11 +14,15 @@ impl Evaluator {
             Token::Not => match object {
                 Object::True => Object::False,
                 Object::False => Object::True,
-                _ => Object::UnknownOperator,
+                _ => Object::Error {
+                    error_type: ErrorType::UnknownOperator,
+                },
             },
             Token::Minus => match object {
                 Object::Integer { value } => Object::Integer { value: -value },
-                _ => Object::UnknownOperator,
+                _ => Object::Error {
+                    error_type: ErrorType::UnknownOperator,
+                },
             },
             _ => panic!("Prefix token not a prefix token."),
         }

src/evaluator/expression/prefix/tests/snapshots/monkey_interpreter__evaluator__expression__prefix__tests__test_evaluator_unknown_operator_prefix_nodes_case1.snap

@@ -3,4 +3,6 @@ source: src/evaluator/expression/prefix/tests/mod.rs
 expression: "evaluator.evaluate(crate::syntax_analysis::SyntaxAnalysis::from(crate::lexical_analysis::LexicalAnalysis::from(code)))"
 
 ---
-UnknownOperator
+Error {
+    error_type: UnknownOperator,
+}