#include "coll.h"
#include "filepos.h"
-/* ca65 */
-#include "global.h"
-
/*****************************************************************************/
-/* Data */
+/* Data */
/*****************************************************************************/
+/* Predefined line info slots. These are allocated when initializing the
+ * module. Beware: Some code relies on the fact that slot zero is the basic
+ * standard line info. It is assumed to be always there.
+ */
+enum {
+ LI_SLOT_ASM = 0, /* Normal assembler source */
+ LI_SLOT_EXT = 1, /* Externally supplied line info */
+};
+
+/* Types of line infos. The low byte may be used for some sort of depth
+ * counter.
+ */
+enum {
+ LI_MASK_COUNT = 0x00FF, /* Mask to extract the count */
+
+ LI_TYPE_EXT = 0x0100, /* Externally supplied line info */
+ LI_TYPE_ASM = 0x0200, /* Normal assembler source */
+ LI_TYPE_MACRO = 0x0300, /* Macro expansion */
+ LI_MASK_TYPE = 0x7F00, /* Mask to extract the type */
+};
+
/* The LineInfo structure is shared between several fragments, so we need a
* reference counter.
*/
typedef struct LineInfo LineInfo;
struct LineInfo {
- unsigned Usage; /* Usage counter */
- unsigned Index; /* Index */
- FilePos Pos; /* File position */
+ unsigned Usage; /* Usage counter */
+ unsigned Type; /* Type of line info */
+ unsigned Index; /* Index */
+ FilePos Pos; /* File position */
};
-/* Collection containing all line infos */
-extern Collection LineInfoColl;
-extern unsigned LineInfoValid; /* Valid, that is, used entries */
-
-/* Global pointer to last line info or NULL if not active */
-extern LineInfo* CurLineInfo;
-
/*****************************************************************************/
+void InitLineInfo (void);
+/* Initialize the line infos */
+
+unsigned AllocLineInfoSlot (unsigned Type);
+/* Allocate a line info slot of the given type and return the slot index */
+
+void FreeLineInfoSlot (unsigned Slot);
+/* Free the line info in the given slot. Note: Alloc/Free must be used in
+ * FIFO order.
+ */
+
+void GenLineInfo (unsigned Slot, unsigned File, unsigned long Line, unsigned Col);
+/* Generate a new line info in the given slot */
+
+void ClearLineInfo (unsigned Slot);
+/* Clear the line info in the given slot */
+
+LineInfo* GetLineInfo (unsigned Slot);
+/* Get the line info from the given slot */
+
+void GetFullLineInfo (Collection* LineInfos);
+/* Return full line infos, that is line infos for all slots in LineInfos. The
+ * function does also increase the usage counter for all line infos returned.
+ */
+
LineInfo* UseLineInfo (LineInfo* LI);
/* Increase the reference count of the given line info and return it. The
* function will gracefully accept NULL pointers and do nothing in this case.
*/
-void GenLineInfo (unsigned FileIndex, unsigned long LineNum, unsigned ColNum);
-/* Generate a new line info */
+LineInfo* ReleaseLineInfo (LineInfo* LI);
+/* Decrease the reference count of the given line info and return it. The
+ * function will gracefully accept NULL pointers and do nothing in this case.
+ */
-void ClearLineInfo (void);
-/* Clear the current line info */
+void WriteLineInfo (const Collection* LineInfos);
+/* Write a list of line infos to the object file. MakeLineInfoIndex has to
+ * be called before!
+ */
void MakeLineInfoIndex (void);
-/* Walk over the line info list and make an index of all entries ignoring
- * those with a usage count of zero.
- */
+/* Index the line infos */
-void WriteLineInfo (void);
+void WriteLineInfos (void);
/* Write a list of all line infos to the object file. */