添加项目文件。

ScientificCalculator/Calc.cpp

@@ -0,0 +1,44 @@
+#include "Calc.h"
+#include <iostream>
+
+// <20><>̬<EFBFBD><CCAC>Ա<EFBFBD><D4B1>ʼ<EFBFBD><CABC>
+Tokenizer Calc::tokenizer;
+InfixToPostfix Calc::converter;
+PostfixEval Calc::evaluator;
+
+// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿڣ<D3BF><DAA3><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD> -> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+double Calc::eval(const string& expression) {
+    vector<Token> tokens = tokenizer.run(expression);
+    vector<Token> postfix = converter.run(tokens);
+    return evaluator.run(postfix);
+}
+
+// <20><>ȫ<EFBFBD><C8AB><EFBFBD><EFBFBD><EFBFBD>ӿڣ<D3BF><DAA3><EFBFBD> try-catch <20><>װ<EFBFBD><D7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD> bool <20><>־
+bool Calc::safeEval(const string& expr, double& res) {
+    try {
+        res = eval(expr);
+        return true;
+    }
+    catch (const exception& e) {
+        cerr << "[Error] " << e.what() << endl;
+        return false;
+    }
+}
+
+// <20><><EFBFBD>Խӿڣ<D3BF><DAA3><EFBFBD>ӡ<EFBFBD>м<EFBFBD><D0BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>token <20>б<EFBFBD> <20><> <20><>׺<EFBFBD><D7BA><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD>
+void Calc::debug(const string& expr) {
+    try {
+        vector<Token> tokens = tokenizer.run(expr);
+        cout << "[Token List]" << endl;
+        for (const auto& t : tokens) cout << t.value << " ";
+        cout << endl;
+
+        vector<Token> postfix = converter.run(tokens);
+        cout << "[Postfix]" << endl;
+        for (const auto& t : postfix) cout << t.value << " ";
+        cout << endl;
+    }
+    catch (const exception& e) {
+        cerr << "[Debug Error] " << e.what() << endl;
+    }
+}