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1.1 ! root 1: /* ! 2: * Sydney C Compiler. ! 3: * ! 4: * Copyright 1984, Bruce Ellis. ! 5: * ! 6: * Unauthorised possesion, sale or use prohibited. ! 7: */ ! 8: ! 9: struct xnode ! 10: { ! 11: union ! 12: { ! 13: xnode *xu_xnd; ! 14: ident *xu_id; ! 15: } ! 16: x_u0; ! 17: ! 18: union ! 19: { ! 20: struct ! 21: { ! 22: xnode *x_x0; ! 23: xnode *x_x1; ! 24: } ! 25: x_s0; ! 26: ! 27: long x_l; ! 28: } ! 29: x_u1; ! 30: ! 31: xnodes x_what; ! 32: data x_value; ! 33: ! 34: union ! 35: { ! 36: struct ! 37: { ! 38: uchar x_c0; ! 39: uchar x_c1; ! 40: } ! 41: x_s1; ! 42: ! 43: short x_s; ! 44: } ! 45: x_u2; ! 46: }; ! 47: ! 48: #define x_left x_u0.xu_xnd ! 49: #define x_subtype x_u0.xu_xnd ! 50: #define x_var x_u0.xu_id ! 51: ! 52: #define x_right x_u1.x_s0.x_x0 ! 53: #define x_type x_u1.x_s0.x_x1 ! 54: #define x_index x_u1.x_l ! 55: ! 56: #define x_flags x_u2.x_s ! 57: #define x_su x_u2.x_s1.x_c1 ! 58: ! 59: #define XIS_FORVAL 0x0001 ! 60: #define XIS_FORREF 0x0002 ! 61: #define XIS_TEST 0x0004 ! 62: #define XIS_HARDASSOP 0x0008 ! 63: ! 64: #define XIS_LVAL 0x0010 ! 65: #define XWAS_LVAL 0x0020 ! 66: #define XIS_LTRAV 0x0040 ! 67: #define XIS_RTRAV 0x0080 ! 68: ! 69: #define XIS_IMPLICIT 0x0100
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