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ast_sepand.c 1.08 KiB
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/*
** ast_sepand.c for 42sh
**
** Made by Seblu
** Login   <seblu@epita.fr>
**
** Started on  Thu Aug  3 02:41:37 2006 Seblu
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** Last update Tue Sep 26 17:43:20 2006 Seblu
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*/

#include "ast.h"

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s_ast_node	*ast_sepand_create(s_ast_node *lhs, s_ast_node *rhs)
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{
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  s_ast_node	*node;
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  secmalloc(node, sizeof (s_ast_node));
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  node->type = T_SEPAND;
  node->body.child_sepand.lhs = lhs;
  node->body.child_sepand.rhs = rhs;
  return node;
}

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void		ast_sepand_print(s_ast_node *node, FILE *fs, unsigned int *node_id)
{
  unsigned int	lhs_id, rhs_id, cur_id;

  if (node->type != T_SEPAND)
    return;
  fprintf(fs, "%u [label = \"&\"];\n", cur_id = *node_id);
  lhs_id = ++*node_id;
  ast_print_node(node->body.child_sepand.lhs, fs, node_id);
  fprintf(fs, "%u -> %u\n", cur_id, lhs_id);
  rhs_id = *node_id;
  ast_print_node(node->body.child_sepand.rhs, fs, node_id);
  fprintf(fs, "%u -> %u\n", cur_id, rhs_id);
}

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void		ast_sepand_destruct(s_ast_node *node)
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{
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  if (node->type != T_SEPAND)
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    return;
  ast_destruct(node->body.child_sepand.lhs);
  ast_destruct(node->body.child_sepand.rhs);
  free(node);
}