From 11c7e9940527301464d6753dd033ce388801aeb0 Mon Sep 17 00:00:00 2001
From: yhr <1158162970@qq.com>
Date: Mon, 12 Sep 2022 03:25:29 +0000
Subject: [PATCH] add include/simplifyExpr.hpp.

Signed-off-by: yhr <1158162970@qq.com>
---
 include/simplifyExpr.hpp | 75 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 include/simplifyExpr.hpp

diff --git a/include/simplifyExpr.hpp b/include/simplifyExpr.hpp
new file mode 100644
index 0000000..95ff5bf
--- /dev/null
+++ b/include/simplifyExpr.hpp
@@ -0,0 +1,75 @@
+#include <iostream>
+#include <Python.h>
+#include <unistd.h>
+std::unique_ptr<ExprAST> simplifyExpr(std::unique_ptr<ExprAST> &expr)
+{
+    std::string exprStr = PrintExpression(expr);
+
+    //Get file path
+    std::string filename;
+    char buf[128] = {0};
+    getcwd(buf, sizeof(buf));
+    std::cout << buf << std::endl;
+    for (size_t i = 0; i < sizeof(buf) / sizeof(buf[0]); i++)
+    {
+        if (buf[i])
+        {
+            filename += buf[i];
+        }
+    }
+    filename += "/pythonBefore.txt";
+
+    //Write file
+    std::ofstream fout;
+
+    fout.open(filename, std::ios::trunc);
+    fout << exprStr;
+    fout.close();
+
+    //Handle by python
+
+    //Initialize Python interface
+    Py_Initialize();
+    if (!Py_IsInitialized())
+    {
+        std::cout << "python init fail" << std::endl;
+    }
+    //Initialize variables
+    PyObject *pModule = nullptr;
+    PyObject *pFunc = nullptr;
+
+    //Initialize Python system file path
+    PyRun_SimpleString("import sys");
+    PyRun_SimpleString("import os");
+    PyRun_SimpleString("path = os.path.abspath('.')");
+    PyRun_SimpleString("sys.path.append(path)");
+
+    //Call simplify.py
+    pModule = PyImport_ImportModule("simplify");
+    if (!pModule)
+    {
+        std::cout << "pModule is nullptr" << std::endl;
+    }
+
+    //Call the process function in the simplify.py
+    pFunc = PyObject_GetAttrString(pModule, "process");
+    if (!pFunc)
+    {
+        std::cout << "pFunc is nullptr" << std::endl;
+    }
+    PyObject *pArgs = PyTuple_New(0);
+    PyObject *pReturn = PyEval_CallObject(pFunc, pArgs);
+    int nResult;
+
+    PyArg_Parse(pReturn, "i", &nResult);
+
+    std::cout << "return result is " << nResult << std::endl;
+
+    //End Python interpreter and release resources
+    Py_Finalize();
+
+    //Convert the string in pythonAfter.txt to ExprAST
+    std::unique_ptr<ExprAST> finalExpr = ParseExpressionFromString();
+
+    return finalExpr->Clone();
+}
-- 
Gitee