45 lines
974 B
C
45 lines
974 B
C
#include "ast_if.h"
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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struct ast *ast_create_if(struct ast *condition, struct ast *then_clause,
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struct ast *else_clause)
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{
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struct ast_if *if_data = malloc(sizeof(struct ast_if));
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if (!if_data)
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{
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perror("Error: could not allocate more memory");
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return NULL;
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}
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if_data->condition = condition;
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if_data->then_clause = then_clause;
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if_data->else_clause = else_clause;
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struct ast *result = ast_create(AST_IF, if_data);
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if (result == NULL)
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free(if_data);
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return result;
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}
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struct ast_if *ast_get_if(struct ast *node)
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{
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if (node == NULL || node->type != AST_IF)
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return NULL;
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return node->data;
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}
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void ast_free_if(struct ast_if *if_data)
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{
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if (if_data == NULL)
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return;
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ast_free(&if_data->condition);
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ast_free(&if_data->then_clause);
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ast_free(&if_data->else_clause);
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free(if_data);
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}
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