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16 lines
510 B
16 lines
510 B
/* $Id$ */
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#ifndef _PNODE_H
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#define _PNODE_H
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struct pnode {
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char *pn_name; /* If non-NULL, the name. */
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struct dvec *pn_value; /* Non-NULL in a terminal node. */
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struct func *pn_func; /* Non-NULL is a function. */
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struct op *pn_op; /* Operation if the above two NULL. */
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struct pnode *pn_left; /* Left branch or function argument. */
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struct pnode *pn_right; /* Right branch. */
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struct pnode *pn_next; /* For expression lists. */
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int pn_use; /* usage counter */
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} ;
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#endif
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