/*****************************************************************************/
/* */
-/* exprdefs.h */
+/* exprdefs.h */
/* */
-/* Expression tree definitions */
+/* Expression tree definitions */
/* */
/* */
/* */
-/* (C) 1998-2003 Ullrich von Bassewitz */
-/* Römerstraße 52 */
-/* D-70794 Filderstadt */
-/* EMail: uz@cc65.org */
+/* (C) 1998-2012, Ullrich von Bassewitz */
+/* Roemerstrasse 52 */
+/* D-70794 Filderstadt */
+/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/*****************************************************************************/
-/* Data */
+/* Data */
/*****************************************************************************/
/* Expression type masks */
-#define EXPR_TYPEMASK 0xC0
-#define EXPR_BINARYNODE 0x00
-#define EXPR_UNARYNODE 0x40
-#define EXPR_LEAFNODE 0x80
+#define EXPR_TYPEMASK 0xC0
+#define EXPR_BINARYNODE 0x00
+#define EXPR_UNARYNODE 0x40
+#define EXPR_LEAFNODE 0x80
/* Type of expression nodes */
-#define EXPR_NULL 0x00 /* Internal error or NULL node */
+#define EXPR_NULL 0x00 /* Internal error or NULL node */
/* Leaf node codes */
-#define EXPR_LITERAL (EXPR_LEAFNODE | 0x01)
-#define EXPR_SYMBOL (EXPR_LEAFNODE | 0x02)
+#define EXPR_LITERAL (EXPR_LEAFNODE | 0x01)
+#define EXPR_SYMBOL (EXPR_LEAFNODE | 0x02)
#define EXPR_SECTION (EXPR_LEAFNODE | 0x03)
-#define EXPR_SEGMENT (EXPR_LEAFNODE | 0x04) /* Linker only */
-#define EXPR_MEMAREA (EXPR_LEAFNODE | 0x05) /* Linker only */
-#define EXPR_ULABEL (EXPR_LEAFNODE | 0x06) /* Assembler only */
+#define EXPR_SEGMENT (EXPR_LEAFNODE | 0x04) /* Linker only */
+#define EXPR_MEMAREA (EXPR_LEAFNODE | 0x05) /* Linker only */
+#define EXPR_ULABEL (EXPR_LEAFNODE | 0x06) /* Assembler only */
/* Binary operations, left and right hand sides are valid */
-#define EXPR_PLUS (EXPR_BINARYNODE | 0x01)
-#define EXPR_MINUS (EXPR_BINARYNODE | 0x02)
-#define EXPR_MUL (EXPR_BINARYNODE | 0x03)
-#define EXPR_DIV (EXPR_BINARYNODE | 0x04)
-#define EXPR_MOD (EXPR_BINARYNODE | 0x05)
-#define EXPR_OR (EXPR_BINARYNODE | 0x06)
-#define EXPR_XOR (EXPR_BINARYNODE | 0x07)
-#define EXPR_AND (EXPR_BINARYNODE | 0x08)
-#define EXPR_SHL (EXPR_BINARYNODE | 0x09)
-#define EXPR_SHR (EXPR_BINARYNODE | 0x0A)
-#define EXPR_EQ (EXPR_BINARYNODE | 0x0B)
-#define EXPR_NE (EXPR_BINARYNODE | 0x0C)
-#define EXPR_LT (EXPR_BINARYNODE | 0x0D)
-#define EXPR_GT (EXPR_BINARYNODE | 0x0E)
-#define EXPR_LE (EXPR_BINARYNODE | 0x0F)
-#define EXPR_GE (EXPR_BINARYNODE | 0x10)
-#define EXPR_BOOLAND (EXPR_BINARYNODE | 0x11)
-#define EXPR_BOOLOR (EXPR_BINARYNODE | 0x12)
-#define EXPR_BOOLXOR (EXPR_BINARYNODE | 0x13)
+#define EXPR_PLUS (EXPR_BINARYNODE | 0x01)
+#define EXPR_MINUS (EXPR_BINARYNODE | 0x02)
+#define EXPR_MUL (EXPR_BINARYNODE | 0x03)
+#define EXPR_DIV (EXPR_BINARYNODE | 0x04)
+#define EXPR_MOD (EXPR_BINARYNODE | 0x05)
+#define EXPR_OR (EXPR_BINARYNODE | 0x06)
+#define EXPR_XOR (EXPR_BINARYNODE | 0x07)
+#define EXPR_AND (EXPR_BINARYNODE | 0x08)
+#define EXPR_SHL (EXPR_BINARYNODE | 0x09)
+#define EXPR_SHR (EXPR_BINARYNODE | 0x0A)
+#define EXPR_EQ (EXPR_BINARYNODE | 0x0B)
+#define EXPR_NE (EXPR_BINARYNODE | 0x0C)
+#define EXPR_LT (EXPR_BINARYNODE | 0x0D)
+#define EXPR_GT (EXPR_BINARYNODE | 0x0E)
+#define EXPR_LE (EXPR_BINARYNODE | 0x0F)
+#define EXPR_GE (EXPR_BINARYNODE | 0x10)
+#define EXPR_BOOLAND (EXPR_BINARYNODE | 0x11)
+#define EXPR_BOOLOR (EXPR_BINARYNODE | 0x12)
+#define EXPR_BOOLXOR (EXPR_BINARYNODE | 0x13)
+#define EXPR_MAX (EXPR_BINARYNODE | 0x14)
+#define EXPR_MIN (EXPR_BINARYNODE | 0x15)
/* Unary operations, right hand side is empty */
-#define EXPR_UNARY_MINUS (EXPR_UNARYNODE | 0x01)
-#define EXPR_NOT (EXPR_UNARYNODE | 0x02)
-#define EXPR_SWAP (EXPR_UNARYNODE | 0x03)
-#define EXPR_BOOLNOT (EXPR_UNARYNODE | 0x04)
+#define EXPR_UNARY_MINUS (EXPR_UNARYNODE | 0x01)
+#define EXPR_NOT (EXPR_UNARYNODE | 0x02)
+#define EXPR_SWAP (EXPR_UNARYNODE | 0x03)
+#define EXPR_BOOLNOT (EXPR_UNARYNODE | 0x04)
+#define EXPR_BANK (EXPR_UNARYNODE | 0x05)
-#define EXPR_BYTE0 (EXPR_UNARYNODE | 0x08)
-#define EXPR_BYTE1 (EXPR_UNARYNODE | 0x09)
-#define EXPR_BYTE2 (EXPR_UNARYNODE | 0x0A)
-#define EXPR_BYTE3 (EXPR_UNARYNODE | 0x0B)
-#define EXPR_WORD0 (EXPR_UNARYNODE | 0x0C)
-#define EXPR_WORD1 (EXPR_UNARYNODE | 0x0D)
+#define EXPR_BYTE0 (EXPR_UNARYNODE | 0x08)
+#define EXPR_BYTE1 (EXPR_UNARYNODE | 0x09)
+#define EXPR_BYTE2 (EXPR_UNARYNODE | 0x0A)
+#define EXPR_BYTE3 (EXPR_UNARYNODE | 0x0B)
+#define EXPR_WORD0 (EXPR_UNARYNODE | 0x0C)
+#define EXPR_WORD1 (EXPR_UNARYNODE | 0x0D)
+#define EXPR_FARADDR (EXPR_UNARYNODE | 0x0E)
+#define EXPR_DWORD (EXPR_UNARYNODE | 0x0F)
/* The expression node itself */
typedef struct ExprNode ExprNode;
struct ExprNode {
- unsigned char Op; /* Operand/Type */
- ExprNode* Left; /* Left leaf */
- ExprNode* Right; /* Right leaf */
- struct ObjData* Obj; /* Object file reference (linker) */
+ unsigned char Op; /* Operand/Type */
+ ExprNode* Left; /* Left leaf */
+ ExprNode* Right; /* Right leaf */
+ struct ObjData* Obj; /* Object file reference (linker) */
union {
- long Val; /* If this is a value */
- struct SymEntry* Sym; /* If this is a symbol */
- unsigned SegNum; /* If this is a segment */
- unsigned ImpNum; /* If this is an import */
- struct Memory* Mem; /* If this is a memory area */
- struct Segment* Seg; /* If this is a segment */
- struct Section* Sec; /* If section and Obj is NULL */
+ long IVal; /* If this is a int value */
+ struct SymEntry* Sym; /* If this is a symbol */
+ unsigned SecNum; /* If this is a section and Obj != 0 */
+ unsigned ImpNum; /* If this is an import and Obj != 0 */
+ struct Import* Imp; /* If this is an import and Obj == 0 */
+ struct MemoryArea* Mem; /* If this is a memory area */
+ struct Segment* Seg; /* If this is a segment */
+ struct Section* Sec; /* If this is a section and Obj == 0 */
} V;
};
/* Macros to determine the expression type */
-#define EXPR_IS_LEAF(Op) (((Op) & EXPR_TYPEMASK) == EXPR_LEAFNODE)
-#define EXPR_IS_UNARY(Op) (((Op) & EXPR_TYPEMASK) == EXPR_UNARYNODE)
-#define EXPR_IS_BINARY(OP) (((Op) & EXPR_TYPEMASK) == EXPR_BINARYNODE)
+#define EXPR_NODETYPE(Op) ((Op) & EXPR_TYPEMASK)
+#define EXPR_IS_LEAF(Op) (EXPR_NODETYPE (Op) == EXPR_LEAFNODE)
+#define EXPR_IS_UNARY(Op) (EXPR_NODETYPE (Op) == EXPR_UNARYNODE)
+#define EXPR_IS_BINARY(OP) (EXPR_NODETYPE (Op) == EXPR_BINARYNODE)
/*****************************************************************************/
-/* Code */
+/* Code */
/*****************************************************************************/
/* End of exprdefs.h */
#endif
-
-
-
projects / cc65 / blobdiff