C语言与C++项目实现相互调用

#include <iostream>
 
using namespace std;
// C++项目
// 告诉C++编译器，extern "C"{}里面的函数是C编译器编译的，链接的时候用C的函数名规则去找，就可以链接上
extern "C"
{
	#include "../c的lib/Stack.h"
}
 
bool isValid(const char * s){
	ST st = { 0 };
	StackInit(&st);
	while (*s)
	{
		if (*s == '('
			|| *s == '{'
			|| *s == '[')
		{
			StackPush(&st, *s); 
			++s;
		}
		else
		{
			// 遇到右括号了，但是栈里面没有数据，说明
			// 前面没有左括号，不匹配，返回false
			if (StackEmpty(&st))
			{
				StackDestroy(&st);
				return false;
			}
 
			STDataType top = StackTop(&st);
			StackPop(&st);
			if ((*s == '}' && top != '{')
				|| (*s == ']' && top != '[')
				|| (*s == ')' && top != '('))
			{
				StackDestroy(&st);
				return false;
			}
			else
			{
				++s;
			}
		}
	}
 
	// 如果栈不是空，说有栈中还有左括号未出
	// 没有匹配，返回是false
	bool ret = StackEmpty(&st);
	StackDestroy(&st);
	return ret;
}
 
int main()
{
	cout << isValid("{[]}") << endl;
	cout << isValid("([)]") << endl;
 
	return 0;
}

#pragma once
 
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <stdbool.h>
 
typedef int STDataType;
typedef struct Stack
{
	STDataType* a;
	int top;
	int capacity;
}ST;
 
void StackInit(ST* ps);
void StackDestroy(ST* ps);
void StackPush(ST* ps, STDataType x);
void StackPop(ST* ps);
STDataType StackTop(ST* ps);
int StackSize(ST* ps);
bool StackEmpty(ST* ps);

#define _CRT_SECURE_NO_WARNINGS 1
 
#include "Stack.h"
 
 
void StackInit(ST* ps)
{
	assert(ps);
	ps->a = NULL;
	ps->top = 0; // ps->top = -1;
	ps->capacity = 0;
}
 
void StackDestroy(ST* ps)
{
	assert(ps);
	free(ps->a);
	ps->a = NULL;
	ps->capacity = ps->top = 0;
}
 
void StackPush(ST* ps, STDataType x)
{
	assert(ps);
 
	if (ps->top == ps->capacity)
	{
		int newCapacity = ps->capacity == 0 ? 4 : ps->capacity * 2;
		STDataType* tmp = (STDataType*)realloc(ps->a, sizeof(STDataType) * newCapacity);
		if (tmp == NULL)
		{
			printf("realloc fail\n");
			exit(-1);
		}
 
		ps->a = tmp;
		ps->capacity = newCapacity;
	}
 
	ps->a[ps->top] = x;
	ps->top++;
}
 
void StackPop(ST* ps)
{
	assert(ps);
	assert(!StackEmpty(ps));
 
	ps->top--;
}
 
STDataType StackTop(ST* ps)
{
	assert(ps);
	assert(!StackEmpty(ps));
 
	return ps->a[ps->top - 1];
}
 
int StackSize(ST* ps)
{
	assert(ps);
 
	return ps->top;
}
 
bool StackEmpty(ST* ps)
{
	assert(ps);
 
	/*if (ps->top == 0)
	{
		return true;
	}
	else
	{
		return false;
	}*/
	return ps->top == 0;
}

#pragma once
 
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <stdbool.h>
 
typedef int STDataType;
typedef struct Stack
{
	STDataType* a;
	int top;
	int capacity;
}ST;
 
//void StackInit(ST* ps);
//void StackDestroy(ST* ps);
//void StackPush(ST* ps, STDataType x);
//void StackPop(ST* ps);
//STDataType StackTop(ST* ps);
//int StackSize(ST* ps);
//bool StackEmpty(ST* ps);
 
 
#ifdef __cplusplus
 extern "C"
 {
#endif
 
	 void StackInit(ST* ps);
	 void StackDestroy(ST* ps);
	 void StackPush(ST* ps, STDataType x);
	 void StackPop(ST* ps);
	 STDataType StackTop(ST* ps);
	 int StackSize(ST* ps);
	 bool StackEmpty(ST* ps);
 
#ifdef __cplusplus
 }
#endif

#ifdef __cplusplus
#define E extern "C"
#else
#defien E
#endif
 
E void StackInit(ST* ps);
E void StackDestroy(ST* ps);
E void StackPush(ST* ps, STDataType x);
E void StackPop(ST* ps);
E STDataType StackTop(ST* ps);
E int StackSize(ST* ps);
E bool StackEmpty(ST* ps);