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7
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1 #include "../context.h"
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2 #include "../origin_cs.h"
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3 #include <stdio.h>
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4
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5 // typedef struct SingleLinkedStack {
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6 // struct Element* top;
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7 // } SingleLinkedStack;
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8
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9 Stack* createSingleLinkedStack(struct Context* context) {
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10 struct Stack* stack = new Stack();
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11 struct SingleLinkedStack* singleLinkedStack = new SingleLinkedStack();
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12 stack->stack = (union Data*)singleLinkedStack;
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13 singleLinkedStack->top = NULL;
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14 stack->push = C_pushSingleLinkedStack;
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15 stack->pop = C_popSingleLinkedStack;
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16 stack->pop2 = C_pop2SingleLinkedStack;
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17 stack->get = C_getSingleLinkedStack;
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18 stack->get2 = C_get2SingleLinkedStack;
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19 stack->isEmpty = C_isEmptySingleLinkedStack;
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20 stack->clear = C_clearSingleLinkedStack;
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21 return stack;
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22 }
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23
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24 void printStack1(union Data* data) {
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25 struct Node* node = &data->Element.data->Node;
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26 if (node == NULL) {
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27 printf("NULL");
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28 } else {
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29 printf("key = %d ,", node->key);
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30 printStack1((union Data*)data->Element.next);
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31 }
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32 }
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33
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34 void printStack(union Data* data) {
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35 printStack1(data);
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36 printf("\n");
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37 }
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38
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39 __code clearSingleLinkedStack(struct SingleLinkedStack* stack,__code next(...)) {
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40 stack->top = NULL;
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41 goto next(...);
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42 }
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43
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44 __code pushSingleLinkedStack(struct SingleLinkedStack* stack,union Data* data, __code next(...)) {
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45 Element* element = new Element();
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46 element->next = stack->top;
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47 element->data = data;
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48 stack->top = element;
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49 goto next(...);
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50 }
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51
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52 __code popSingleLinkedStack(struct SingleLinkedStack* stack, __code next(union Data* data, ...)) {
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53 if (stack->top) {
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54 data = stack->top->data;
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55 stack->top = stack->top->next;
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56 } else {
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57 data = NULL;
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58 }
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59 goto next(data, ...);
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60 }
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61
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62 __code pop2SingleLinkedStack(struct SingleLinkedStack* stack, __code next(union Data* data, union Data* data1, ...)) {
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63 if (stack->top) {
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64 data = stack->top->data;
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65 stack->top = stack->top->next;
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66 } else {
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67 data = NULL;
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68 }
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69 if (stack->top) {
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70 data1 = stack->top->data;
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71 stack->top = stack->top->next;
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72 } else {
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73 data1 = NULL;
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74 }
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75 goto next(data, data1, ...);
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76 }
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77
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78
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79 __code getSingleLinkedStack(struct SingleLinkedStack* stack, __code next(union Data* data, ...)) {
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80 if (stack->top)
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81 data = stack->top->data;
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82 else
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83 data = NULL;
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84 goto next(data, ...);
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85 }
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86
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87 __code get2SingleLinkedStack(struct SingleLinkedStack* stack, __code next(union Data* data, union Data* data1, ...)) {
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88 if (stack->top) {
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89 data = stack->top->data;
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90 if (stack->top->next) {
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91 data1 = stack->top->next->data;
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92 } else {
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93 data1 = NULL;
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94 }
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95 } else {
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96 data = NULL;
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97 data1 = NULL;
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98 }
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99 goto next(data, data1, ...);
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100 }
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101
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102 __code isEmptySingleLinkedStack(struct SingleLinkedStack* stack, __code next(...), __code whenEmpty(...)) {
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103 if (stack->top)
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104 goto next(...);
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105 else
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106 goto whenEmpty(...);
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107 }
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108
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109
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110
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