X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Fcc65%2Fexprdesc.h;h=9de064952e20a8e1603c61f01d3274202707404a;hb=ed2767e65f05b853eda1b071938062126de6f517;hp=97f87b1627dec5000fd673634c5fa93360efb063;hpb=9fc71c5e93f7e8270dd6f8fc3810b7b731bf1259;p=cc65

diff --git a/src/cc65/exprdesc.h b/src/cc65/exprdesc.h
index 97f87b162..9de064952 100644
--- a/src/cc65/exprdesc.h
+++ b/src/cc65/exprdesc.h
@@ -6,10 +6,10 @@
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
-/* (C) 2002-2004 Ullrich von Bassewitz                                       */
-/*               Römerstraße 52                                              */
-/*               D-70794 Filderstadt                                         */
-/* EMail:        uz@cc65.org                                                 */
+/* (C) 2002-2009, Ullrich von Bassewitz                                      */
+/*                Roemerstrasse 52                                           */
+/*                D-70794 Filderstadt                                        */
+/* EMail:         uz@cc65.org                                                */
 /*                                                                           */
 /*                                                                           */
 /* This software is provided 'as-is', without any expressed or implied       */
@@ -41,9 +41,11 @@
 #include <string.h>
 
 /* common */
+#include "fp.h"
 #include "inline.h"
 
 /* cc65 */
+#include "asmcode.h"
 #include "datatype.h"
 
 
@@ -76,26 +78,40 @@ enum {
     E_RTYPE_RVAL        = 0x0000,
     E_RTYPE_LVAL        = 0x0100,
 
+    /* Bit-field? */
+    E_BITFIELD          = 0x0200,
+
     /* Test */
-    E_NEED_TEST         = 0x0200,       /* Expression needs a test to set cc */
-    E_CC_SET            = 0x0400        /* Condition codes are set */
+    E_NEED_TEST         = 0x0400,       /* Expression needs a test to set cc */
+    E_CC_SET            = 0x0800,       /* Condition codes are set */
+
+    E_HAVE_MARKS        = 0x1000,       /* Code marks are valid */
+
 };
 
 /* Describe the result of an expression */
 typedef struct ExprDesc ExprDesc;
 struct ExprDesc {
-    struct SymEntry*	Sym;	/* Symbol table entry if known */
-    type*	       	Type;   /* Type array of expression */
+    struct SymEntry*	Sym;   	        /* Symbol table entry if known */
+    Type*    	       	Type;           /* Type array of expression */
     unsigned            Flags;
-    unsigned long 	Name;	/* Name or label number */
-    long       	       	IVal;   /* Integer value if expression constant */
-    float               FVal;   /* Floating point value */
+    unsigned long   	Name;	        /* Name or label number */
+    long       	       	IVal;           /* Integer value if expression constant */
+    Double              FVal;           /* Floating point value */
+
+    /* Bit field stuff */
+    unsigned            BitOffs;        /* Bit offset for bit fields */
+    unsigned            BitWidth;       /* Bit width for bit fields */
+
+    /* Start and end of generated code */
+    CodeMark            Start;
+    CodeMark            End;
 };
 
 
 
 /*****************************************************************************/
-/*    		   		     Code                                    */
+/*    	     	   		     Code                                    */
 /*****************************************************************************/
 
 
@@ -223,6 +239,19 @@ INLINE void ED_MakeRVal (ExprDesc* Expr)
 #  define ED_MakeRVal(Expr)     do { (Expr)->Flags &= ~E_RTYPE_LVAL; } while (0)
 #endif
 
+#if defined(HAVE_INLINE)
+INLINE int ED_IsBitField (const ExprDesc* Expr)
+/* Return true if the expression is a bit field */
+{
+    return (Expr->Flags & E_BITFIELD) != 0;
+}
+#else
+#  define ED_IsBitField(Expr)   (((Expr)->Flags & E_BITFIELD) != 0)
+#endif
+
+void ED_MakeBitField (ExprDesc* Expr, unsigned BitOffs, unsigned BitWidth);
+/* Make this expression a bit field expression */
+
 #if defined(HAVE_INLINE)
 INLINE void ED_MarkForTest (ExprDesc* Expr)
 /* Mark the expression for a test. */
@@ -274,6 +303,12 @@ INLINE void ED_MarkAsUntested (ExprDesc* Expr)
 #  define ED_MarkAsUntested(Expr)   do { (Expr)->Flags &= ~E_CC_SET; } while (0)
 #endif
 
+void ED_SetCodeRange (ExprDesc* Expr, const CodeMark* Start, const CodeMark* End);
+/* Set the code range for this expression */
+
+int ED_CodeRangeIsEmpty (const ExprDesc* Expr);
+/* Return true if no code was output for this expression */
+
 const char* ED_GetLabelName (const ExprDesc* Expr, long Offs);
 /* Return the assembler label name of the given expression. Beware: This
  * function may use a static buffer, so the name may get "lost" on the second
@@ -285,7 +320,7 @@ int ED_GetStackOffs (const ExprDesc* Expr, int Offs);
  * an additional offset in Offs.
  */
 
-ExprDesc* ED_MakeConstAbs (ExprDesc* Expr, long Value, type* Type);
+ExprDesc* ED_MakeConstAbs (ExprDesc* Expr, long Value, Type* Type);
 /* Make Expr an absolute const with the given value and type. */
 
 ExprDesc* ED_MakeConstAbsInt (ExprDesc* Expr, long Value);
@@ -307,10 +342,18 @@ int ED_IsConst (const ExprDesc* Expr);
  * similar.
  */
 
-int ED_IsConstAbs (const ExprDesc* Expr);
+#if defined(HAVE_INLINE)
+INLINE int ED_IsConstAbs (const ExprDesc* Expr)
 /* Return true if the expression denotes a constant absolute value. This can be
  * a numeric constant, cast to any type.
  */
+{
+    return (Expr->Flags & (E_MASK_LOC|E_MASK_RTYPE)) == (E_LOC_ABS|E_RTYPE_RVAL);
+}
+#else
+#  define ED_IsConstAbs(E)      \
+        (((E)->Flags & (E_MASK_LOC|E_MASK_RTYPE)) == (E_LOC_ABS|E_RTYPE_RVAL))
+#endif
 
 int ED_IsConstAbsInt (const ExprDesc* Expr);
 /* Return true if the expression is a constant (numeric) integer. */
@@ -326,7 +369,7 @@ int ED_IsBool (const ExprDesc* Expr);
 void PrintExprDesc (FILE* F, ExprDesc* Expr);
 /* Print an ExprDesc */
 
-type* ReplaceType (ExprDesc* Expr, const type* NewType);
+Type* ReplaceType (ExprDesc* Expr, const Type* NewType);
 /* Replace the type of Expr by a copy of Newtype and return the old type string */