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1 #include <stdio.h>
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2 #include <stdlib.h>
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3 #include <string.h>
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4 #include "baum.h"
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5 #include "actions.h"
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6
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7
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8 char action(struct Node* node) {
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9 if (strcmp(node->name, "print") == 0) {
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10 logit("print-node");
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11 return action_print(node);
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12 } else if (strcmp(node->name, "sum") == 0) {
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13 logit("sum-node");
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14 return action_sum(node);
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15 } else if (strcmp(node->name, "printchar") == 0) {
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16 logit("printchar-node");
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17 return action_printchar(node);
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18 } else if (strcmp(node->name, "number") == 0) {
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19 logit("number-node");
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20 return action_number(node);
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21 } else {
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22 fprintf(stderr, "unknown kind of node");
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23 exit(1);
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24 }
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25 }
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26
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27
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28
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29 char action_print(struct Node* node) {
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30 printf("%d\n", action(node->down));
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31 return 0;
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32 }
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33
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34
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35 char action_printchar(struct Node* node) {
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36 printf("%c\n", action(node->down));
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37 return 0;
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38 }
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39
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40
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41 char action_sum(struct Node* node) {
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42 struct Node* tp;
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43 tp = node->down;
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44 while (tp != NULL) {
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45 node->value += action(tp);
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46 tp = tp->right;
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47 }
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48 return node->value;
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49 }
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50
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51
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52 char action_number(struct Node* node) {
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53 return node->value;
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54 }
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55
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