scc

commit 5a2d0834f265ffc02702612d45d5b54fbe305026
parent 8103e1e7a587d39c421d71d1b9e834d275389270
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Tue, 19 Dec 2017 08:40:11 +0000

[as-z80] Allow register names with '

Z80 has a register called AF', so we need this character. This
is a temporary patch, because the correct solution is to integrate
reg() and iden() and make % part of the register name.

Diffstat:
M
as/expr.c
 | 
3
++-
M
as/target/z80/proc.c
 | 
2
+-

2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/as/expr.c b/as/expr.c
@@ -189,6 +189,7 @@ iden(void)
 		if (isalnum(c))
 			continue;
 		switch (c) {
+		case '\'':
 		case '_':
 		case '-':
 		case '.':
@@ -271,7 +272,7 @@ reg(void)
 
 	if (*textp == '%')
 		++textp, ++endp;
-	while (isalnum(c = *endp))
+	while (isalnum(c = *endp) || c == '\'')
 		++endp;
 	tok2str();
 	yylval.sym = lookup(yytext);
diff --git a/as/target/z80/proc.c b/as/target/z80/proc.c
@@ -39,7 +39,7 @@ iarch(void)
 
 		"R", AREG_R,
 		"I", AREG_I,
-		"AF_", AREG_AF_,
+		"AF'", AREG_AF_,
 
 		NULL,
 	}, *bp;