indent(1): identifiers inside parentheses are not declarations

Also make lparen position calculation consider tab stops.

This improves function pointer typedef formatting.

usr.bin/indent/indent.c

@@ -552,7 +552,7 @@ check_type:
 		*e_code++ = ' ';
 	    ps.want_blank = false;
 	    if (ps.in_decl && !ps.block_init && !ps.dumped_decl_indent &&
-		!is_procname) {
+		!is_procname && ps.paren_level == 0) {
 		/* function pointer declarations */
 		if (troff) {
 		    sprintf(e_code, "\n.Du %dp+\200p \"%s\"\n", dec_ind * 7, token);
@@ -565,7 +565,7 @@ check_type:
 	    }
 	    if (!troff)
 		*e_code++ = token[0];
-	    ps.paren_indents[ps.p_l_follow - 1] = e_code - s_code;
+	    ps.paren_indents[ps.p_l_follow - 1] = count_spaces_until(1, s_code, e_code) - 1;
 	    if (sp_sw && ps.p_l_follow == 1 && extra_expression_indent
 		    && ps.paren_indents[0] < 2 * ps.ind_size)
 		ps.paren_indents[0] = 2 * ps.ind_size;
@@ -620,7 +620,7 @@ check_type:
 
 	case unary_op:		/* this could be any unary operation */
 	    if (!ps.dumped_decl_indent && ps.in_decl && !is_procname &&
-		!ps.block_init) {
+		!ps.block_init && ps.paren_level == 0) {
 		/* pointer declarations */
 		if (troff) {
 		    if (ps.want_blank)
@@ -755,7 +755,7 @@ check_type:
 	    ps.just_saw_decl--;
 
 	    if (ps.in_decl && s_code == e_code && !ps.block_init &&
-		!ps.dumped_decl_indent) {
+		!ps.dumped_decl_indent && ps.paren_level == 0) {
 		/* indent stray semicolons in declarations */
 		indent_declaration(dec_ind - 1, tabs_to_var);
 		ps.dumped_decl_indent = true;
@@ -977,7 +977,7 @@ check_type:
 	    if (ps.in_decl) {	/* if we are in a declaration, we must indent
 				 * identifier */
 		if (type_code != funcname || !procnames_start_line) {
-		    if (!ps.block_init && !ps.dumped_decl_indent) {
+		    if (!ps.block_init && !ps.dumped_decl_indent && ps.paren_level == 0) {
 			if (troff) {
 			    if (ps.want_blank)
 				*e_code++ = ' ';
@@ -1049,7 +1049,7 @@ check_type:
 						 * if comma does not start the
 						 * line */
 	    if (ps.in_decl && is_procname == 0 && !ps.block_init &&
-		!ps.dumped_decl_indent) {
+		!ps.dumped_decl_indent && ps.paren_level == 0) {
 		/* indent leading commas and not the actual identifiers */
 		indent_declaration(dec_ind - 1, tabs_to_var);
 		ps.dumped_decl_indent = true;

usr.bin/indent/tests/Makefile

@@ -23,6 +23,9 @@ ${PACKAGE}FILES+=	nsac.0.stdout
 ${PACKAGE}FILES+=	nsac.0.pro
 ${PACKAGE}FILES+=	offsetof.0
 ${PACKAGE}FILES+=	offsetof.0.stdout
+${PACKAGE}FILES+=       parens.0
+${PACKAGE}FILES+=       parens.0.stdout
+${PACKAGE}FILES+=       parens.0.pro
 ${PACKAGE}FILES+=	sac.0
 ${PACKAGE}FILES+=	sac.0.stdout
 ${PACKAGE}FILES+=	sac.0.pro

usr.bin/indent/tests/parens.0

@@ -0,0 +1,24 @@
+/* $FreeBSD$ */
+typedef void 	(*xxxxxxxxxxx) (int,
+				char);
+
+typedef char 	(*xxxxxxxxxxxxxxxxxxxxxxxxxxxx) (int *,
+						 unsigned *,
+						 char,
+						 float *);
+
+void
+test(void)
+{
+	char		chars[secondf(firstf(B),
+				      *here)];
+
+	float		xxx = yyyyyyyyyyyyyy(zzzzzzzzzzzzz(p1,
+							   (p2),
+							   p3));
+
+	if (1) {
+		char	       *xxx = firstf(secondf2(p1,
+						      p2));
+	}
+}

usr.bin/indent/tests/parens.0.pro

@@ -0,0 +1,2 @@
+/* $FreeBSD$ */
+-ts4 -i4 -di12

usr.bin/indent/tests/parens.0.stdout

@@ -0,0 +1,24 @@
+/* $FreeBSD$ */
+typedef void (*xxxxxxxxxxx) (int,
+							 char);
+
+typedef char (*xxxxxxxxxxxxxxxxxxxxxxxxxxxx) (int *,
+											  unsigned *,
+											  char,
+											  float *);
+
+void
+test(void)
+{
+	char		chars[secondf(firstf(B),
+							  *here)];
+
+	float		xxx = yyyyyyyyyyyyyy(zzzzzzzzzzzzz(p1,
+												   (p2),
+												   p3));
+
+	if (1) {
+		char	   *xxx = firstf(secondf2(p1,
+										  p2));
+	}
+}