bslathi19/cc65
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Added an utility function to check for quasi-constant addresses (of stack variables).

Browse Source
This commit is contained in:
acqn
2021-02-08 22:47:51 +08:00
committed by Oliver Schmidt
parent 0a8ca3041a
commit c4a2620e29
2 changed files with 14 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
src/cc65/exprdesc.c
View File

@@ -408,6 +408,15 @@ int ED_IsConst (const ExprDesc* Expr)
int ED_IsQuasiConst (const ExprDesc* Expr)
/* Return true if the expression denotes a quasi-constant of some sort. This
** can be a numeric constant, a constant address or a stack variable address.
*/
{
return (Expr->Flags & E_MASK_LOC) == E_LOC_NONE || ED_IsQuasiConstAddr (Expr);
}
int ED_IsConstAddr (const ExprDesc* Expr) int ED_IsConstAddr (const ExprDesc* Expr)
/* Return true if the expression denotes a constant address of some sort. This /* Return true if the expression denotes a constant address of some sort. This
** can be the address of a global variable (maybe with offset) or similar. ** can be the address of a global variable (maybe with offset) or similar.

5
src/cc65/exprdesc.h
View File

@@ -649,6 +649,11 @@ int ED_IsConst (const ExprDesc* Expr);
** similar. ** similar.
*/ */
int ED_IsQuasiConst (const ExprDesc* Expr);
/* Return true if the expression denotes a quasi-constant of some sort. This
** can be a numeric constant, a constant address or a stack variable address.
*/
int ED_IsConstAddr (const ExprDesc* Expr); int ED_IsConstAddr (const ExprDesc* Expr);
/* Return true if the expression denotes a constant address of some sort. This /* Return true if the expression denotes a constant address of some sort. This
** can be the address of a global variable (maybe with offset) or similar. ** can be the address of a global variable (maybe with offset) or similar.