commit bfb076ed7ee61a93cc6ae701b07c3d3bc7a006aa
from: Omar Polo <op@omarpolo.com>
date: Tue Jun 29 16:35:06 2021 UTC

don't expand macros inside the quotes

Now that we have this auto concat string thingy, macros can simply
expand to standalone strings in place, as single words.

Forgot to point it out in previous commits, but now we can

	cert = "/etc/keys"

	server "foo" {
		cert $cert "/foo.crt"
		...
	}

commit - 7252049dd77e4927049f698d06d7ebc8fbc3e3df
commit + bfb076ed7ee61a93cc6ae701b07c3d3bc7a006aa
blob - 00b37d0dd2efd91273b5b65b491bc97ff9eeb01d
blob + dfcfcd1d01db8631e631441dac5ca952b6256d79
--- gmid.1
+++ gmid.1
@@ -157,7 +157,7 @@ Macros can be defined that will later be expanded in c
 Macro names must start with a letter, digit or underscore and may
 contain any of those characters.
 Macro names may not be reserved words.
-Macros are expanded inside the quotes too.
+Macros are not expanded inside quotes.
 .Pp
 For example:
 .Bd -literal -offset indent
blob - 9b9b9dfa4b6cfeba4e1de078e11312b0673ec486
blob + 02ab8272bfbf564b3cfee0ac1ef66cb82dca3aa7
--- parse.y
+++ parse.y
@@ -416,7 +416,6 @@ repeat:
 		goto eof;
 	}
 
-top:
 	/* parsing next word */
 	for (;; c = getc(yyfp), yylval.colno++) {
 		switch (c) {
@@ -433,7 +432,7 @@ top:
 
 		/* expand macros in-place */
 		case '$':
-			if (!escape) {
+			if (!escape && !quotes) {
 				v = p;
 				while (1) {
 					if ((c = getc(yyfp)) == EOF) {
@@ -449,24 +448,24 @@ top:
 						continue;
 					}
 					*p = 0;
-					ungetc(c, yyfp);
 					break;
 				}
 				p = v;
 				if ((val = symget(p)) == NULL) {
 					yyerror("macro '%s' not defined", v);
-					goto top;
+					return TERR;
 				}
 				len = strlen(val);
 				if (p + len >= ebuf - 1) {
 					yyerror("after macro-expansion, "
 					    "string too long");
-					goto top;
+					return TERR;
 				}
 				*p = '\0';
 				strlcat(p, val, ebuf - p);
 				p += len;
-				goto top;
+				nonkw = 1;
+				goto eow;
 			}
 			break;
 		case '\n':