50     while (ps.p_stack[ps.tos] == ifhead && tk != elselit) {  in parse()
52 	ps.p_stack[ps.tos] = stmt;	/* apply the if(..) stmt ::= stmt  in parse()
62 	ps.search_brace = btype_2;  in parse()
64 	if (ps.p_stack[ps.tos] != decl) {	/* only put one declaration  in parse()
68 	    ps.p_stack[++ps.tos] = decl;  in parse()
69 	    ps.il[ps.tos] = ps.i_l_follow;  in parse()
71 	    if (ps.ljust_decl) {/* only do if we want left justified  in parse()
73 		ps.ind_level = 0;  in parse()
74 		for (i = ps.tos - 1; i > 0; --i)  in parse()
75 		    if (ps.p_stack[i] == decl)  in parse()
76 			++ps.ind_level;	/* indentation is number of  in parse()
78 		ps.i_l_follow = ps.ind_level;  in parse()
84 	if (ps.p_stack[ps.tos] == elsehead && ps.else_if)	/* "else if ..." */  in parse()
85 	    ps.i_l_follow = ps.il[ps.tos];  in parse()
88 	ps.p_stack[++ps.tos] = tk;  in parse()
89 	ps.il[ps.tos] = ps.ind_level = ps.i_l_follow;  in parse()
90 	++ps.i_l_follow;	/* subsequent statements should be indented 1 */  in parse()
91 	ps.search_brace = btype_2;  in parse()
96 	if (ps.p_stack[ps.tos] == stmt || ps.p_stack[ps.tos] == decl  in parse()
97 		|| ps.p_stack[ps.tos] == stmtl)  in parse()
98 	    ++ps.i_l_follow;	/* it is a random, isolated stmt group or a  in parse()
105 		--ps.ind_level;  in parse()
109 		if (ps.p_stack[ps.tos] == swstmt && ps.case_indent >= 1)  in parse()
110 		    --ps.ind_level;  in parse()
117 	ps.p_stack[++ps.tos] = lbrace;  in parse()
118 	ps.il[ps.tos] = ps.ind_level;  in parse()
119 	ps.p_stack[++ps.tos] = stmt;  in parse()
121 	ps.il[ps.tos] = ps.i_l_follow;  in parse()
125 	if (ps.p_stack[ps.tos] == dohead) {  in parse()
127 	    ps.ind_level = ps.i_l_follow = ps.il[ps.tos];  in parse()
128 	    ps.p_stack[++ps.tos] = whilestmt;  in parse()
129 	    ps.il[ps.tos] = ps.ind_level = ps.i_l_follow;  in parse()
132 	    ps.p_stack[++ps.tos] = whilestmt;  in parse()
133 	    ps.il[ps.tos] = ps.i_l_follow;  in parse()
134 	    ++ps.i_l_follow;  in parse()
135 	    ps.search_brace = btype_2;  in parse()
142 	if (ps.p_stack[ps.tos] != ifhead)  in parse()
145 	    ps.ind_level = ps.il[ps.tos];	/* indentation for else should  in parse()
147 	    ps.i_l_follow = ps.ind_level + 1;	/* everything following should  in parse()
149 	    ps.p_stack[ps.tos] = elsehead;  in parse()
151 	    ps.search_brace = btype_2 | ps.else_if;  in parse()
157 	if (ps.p_stack[ps.tos - 1] == lbrace) {  in parse()
158 	    ps.ind_level = ps.i_l_follow = ps.il[--ps.tos];  in parse()
159 	    ps.p_stack[ps.tos] = stmt;  in parse()
166 	ps.p_stack[++ps.tos] = swstmt;  in parse()
167 	ps.cstk[ps.tos] = case_ind;  in parse()
169 	ps.il[ps.tos] = ps.i_l_follow;  in parse()
170 	case_ind = ps.i_l_follow + ps.case_indent;	/* cases should be one  in parse()
173 	ps.i_l_follow += ps.case_indent + 1;	/* statements should be two  in parse()
175 	ps.search_brace = btype_2;  in parse()
181 	ps.p_stack[++ps.tos] = stmt;  in parse()
182 	ps.il[ps.tos] = ps.ind_level;  in parse()
195     for (i = 1; i <= ps.tos; ++i)  in parse()
196 	printf("(%d %d)", ps.p_stack[i], ps.il[i]);  in parse()
251 	switch (ps.p_stack[ps.tos]) {  in reduce()
254 	    switch (ps.p_stack[ps.tos - 1]) {  in reduce()
259 		ps.p_stack[--ps.tos] = stmtl;  in reduce()
263 		ps.p_stack[--ps.tos] = dohead;  in reduce()
264 		ps.i_l_follow = ps.il[ps.tos];  in reduce()
269 		ps.p_stack[--ps.tos] = ifhead;  in reduce()
270 		for (i = ps.tos - 1;  in reduce()
272 			 ps.p_stack[i] != stmt  in reduce()
274 			 ps.p_stack[i] != stmtl  in reduce()
276 			 ps.p_stack[i] != lbrace  in reduce()
279 		ps.i_l_follow = ps.il[i];  in reduce()
289 		case_ind = ps.cstk[ps.tos - 1];  in reduce()
298 		ps.p_stack[--ps.tos] = stmt;  in reduce()
299 		ps.i_l_follow = ps.il[ps.tos];  in reduce()
309 	    if (ps.p_stack[ps.tos - 1] == dohead) {  in reduce()
311 		ps.p_stack[--ps.tos] = stmt;  in reduce()