Allow constants to be complex expressions so long as those

expressions can be fully evaluated during assembly.

Remove the numerical_value portion of the grammer which is
no longer referenced.

1 files changed, 6 insertions, 15 deletions

diff --git a/sys/dev/aic7xxx/aicasm/aicasm_gram.y b/sys/dev/aic7xxx/aicasm/aicasm_gram.y
index fb3aa14..67e046d 100644
--- a/sys/dev/aic7xxx/aicasm/aicasm_gram.y
+++ b/sys/dev/aic7xxx/aicasm/aicasm_gram.y
@@ -38,7 +38,7 @@
  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGES.
  *
- * $Id: //depot/aic7xxx/aic7xxx/aicasm/aicasm_gram.y#26 $
+ * $Id: //depot/aic7xxx/aic7xxx/aicasm/aicasm_gram.y#29 $
  *
  * $FreeBSD$
  */
@@ -209,7 +209,7 @@ static int  is_download_const(expression_t *immed);
 
 %type <value> export ret f1_opcode f2_opcode jmp_jc_jnc_call jz_jnz je_jne
 
-%type <value> numerical_value mode_value mode_list macro_arglist
+%type <value> mode_value mode_list macro_arglist
 
 %left '|'
 %left '&'
@@ -707,7 +707,7 @@ expression:
 ;
 
 constant:
-	T_CONST T_SYMBOL numerical_value
+	T_CONST T_SYMBOL expression 
 	{
 		if ($2->type != UNINITIALIZED) {
 			stop("Re-definition of symbol as a constant",
@@ -716,7 +716,7 @@ constant:
 		}
 		$2->type = CONST;
 		initialize_symbol($2);
-		$2->info.cinfo->value = $3;
+		$2->info.cinfo->value = $3.value;
 	}
 |	T_CONST T_SYMBOL T_DOWNLOAD
 	{
@@ -784,17 +784,6 @@ macro_arglist:
 	}
 ;
 
-numerical_value:
-	T_NUMBER
-	{
-		$$ = $1;
-	}
-|	'-' T_NUMBER
-	{
-		$$ = -$2;
-	}
-;
-
 scratch_ram:
 	T_SRAM '{'
 		{
@@ -994,6 +983,7 @@ critical_section_start:
 		cs->begin_addr = instruction_ptr;
 		in_critical_section = TRUE;
 	}
+;
 
 critical_section_end:
 	T_END_CS ';'
@@ -1008,6 +998,7 @@ critical_section_end:
 		cs->end_addr = instruction_ptr;
 		in_critical_section = FALSE;
 	}
+;
 
 export:
 	{ $$ = 0; }