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Make the old "AllocNew" flag for symbols an enum and add an additional flag

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that allows to lookup a symbol without any flags added to it.


git-svn-id: svn://svn.cc65.org/cc65/trunk@5884 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
uz
2012-10-27 19:50:49 +00:00
parent a3ae2e9125
commit f90fa9cc29
5 changed files with 54 additions and 45 deletions
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26
src/ca65/symtab.h
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@@ -55,6 +55,13 @@
/* Arguments for SymFind... */
typedef enum {
SYM_FIND_EXISTING = 0x00,
SYM_ALLOC_NEW = 0x01,
SYM_CHECK_ONLY = 0x02,
} SymFindAction;
/* Symbol table flags */
#define ST_NONE 0x00 /* No flags */
#define ST_DEFINED 0x01 /* Scope has been defined */
@@ -100,7 +107,7 @@ void SymEnterLevel (const StrBuf* ScopeName, unsigned char Type,
void SymLeaveLevel (void);
/* Leave the current lexical level */
SymTable* SymFindScope (SymTable* Parent, const StrBuf* Name, int AllocNew);
SymTable* SymFindScope (SymTable* Parent, const StrBuf* Name, SymFindAction Action);
/* Find a scope in the given enclosing scope */
SymTable* SymFindAnyScope (SymTable* Parent, const StrBuf* Name);
@@ -109,16 +116,17 @@ SymTable* SymFindAnyScope (SymTable* Parent, const StrBuf* Name);
* scope.
*/
SymEntry* SymFindLocal (SymEntry* Parent, const StrBuf* StrBuf, int AllocNew);
/* Find a cheap local symbol. If AllocNew is given and the entry is not
* found, create a new one. Return the entry found, or the new entry created,
* or - in case AllocNew is zero - return 0.
SymEntry* SymFindLocal (SymEntry* Parent, const StrBuf* Name, SymFindAction Action);
/* Find a cheap local symbol. If Action contains SYM_ALLOC_NEW and the entry is
* not found, create a new one. Return the entry found, or the new entry
* created, or - in case Action is SYM_FIND_EXISTING - return 0.
*/
SymEntry* SymFind (SymTable* Scope, const StrBuf* Name, int AllocNew);
/* Find a new symbol table entry in the given table. If AllocNew is given and
* the entry is not found, create a new one. Return the entry found, or the
* new entry created, or - in case AllocNew is zero - return 0.
SymEntry* SymFind (SymTable* Scope, const StrBuf* Name, SymFindAction Action);
/* Find a new symbol table entry in the given table. If Action contains
* SYM_ALLOC_NEW and the entry is not found, create a new one. Return the
* entry found, or the new entry created, or - in case Action is
* SYM_FIND_EXISTING - return 0.
*/
SymEntry* SymFindAny (SymTable* Scope, const StrBuf* Name);