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- /* N O D E O F A N A B S T R A C T P A R S E T R E E */
- struct node {
- struct node *nd_left;
- #define nd_next nd_left
- struct node *nd_right;
- int nd_class; /* kind of node */
- #define Value 0 /* constant */
- #define Name 1 /* an identifier */
- #define Uoper 2 /* unary operator */
- #define Boper 3 /* binary operator */
- #define Xset 4 /* a set */
- #define Set 5 /* a set constant */
- #define Call 6 /* a function call */
- #define NameOrCall 7 /* call or name of function */
- #define Arrow 8 /* ^ construction */
- #define Arrsel 9 /* array selection */
- #define Def 10 /* an identified name */
- #define Link 11
- #define LinkDef 12
- #define Cast 13 /* convert integer to real */
- #define IntCoerc 14 /* coercion of integers to longs */
- #define IntReduc 15 /* reduction of longs to integers */
- /* do NOT change the order or the numbers!!! */
- struct type *nd_type; /* type of this node */
- struct token nd_token;
- #define nd_def nd_token.tk_data.tk_def
- #define nd_set nd_token.tk_data.tk_set
- #define nd_lab nd_token.tk_data.tk_lab
- #define nd_symb nd_token.tk_symb
- #define nd_lineno nd_token.tk_lineno
- #define nd_IDF nd_token.TOK_IDF
- #define nd_STR nd_token.TOK_STR
- #define nd_SLE nd_token.TOK_SLE
- #define nd_SLA nd_token.TOK_SLA
- #define nd_INT nd_token.TOK_INT
- #define nd_REL nd_token.TOK_REL
- #define nd_RLA nd_token.TOK_RLA
- #define nd_RIV nd_token.TOK_RIV
- };
- /* ALLOCDEF "node" 50 */
- extern struct node *MkNode(), *MkLeaf(), *ChkStdInOut();
- #define IsProcCall(lnd) ((lnd)->nd_type->tp_fund & T_ROUTINE)
- #define NULLNODE ((struct node *) 0)
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