usr.bin/indent/parse.c

60     while (ps.p_stack[ps.tos] == ifhead && tk != elselit) {
62 	ps.p_stack[ps.tos] = stmt;	/* apply the if(..) stmt ::= stmt
72 	ps.search_brace = opt.btype_2;
74 	if (ps.p_stack[ps.tos] != decl) {	/* only put one declaration
78 	    ps.p_stack[++ps.tos] = decl;
79 	    ps.il[ps.tos] = ps.i_l_follow;
83 		ps.ind_level = 0;
84 		for (i = ps.tos - 1; i > 0; --i)
85 		    if (ps.p_stack[i] == decl)
86 			++ps.ind_level;	/* indentation is number of
88 		ps.i_l_follow = ps.ind_level;
94 	if (ps.p_stack[ps.tos] == elsehead && opt.else_if) /* "else if ..." */
100 		ps.i_l_follow = ps.il[ps.tos--];
105 	ps.p_stack[++ps.tos] = tk;
106 	ps.il[ps.tos] = ps.ind_level = ps.i_l_follow;
107 	++ps.i_l_follow;	/* subsequent statements should be indented 1 */
108 	ps.search_brace = opt.btype_2;
113 	if (ps.p_stack[ps.tos] == stmt || ps.p_stack[ps.tos] == decl
114 		|| ps.p_stack[ps.tos] == stmtl)
115 	    ++ps.i_l_follow;	/* it is a random, isolated stmt group or a
122 		--ps.ind_level;
126 		if (ps.p_stack[ps.tos] == swstmt && opt.case_indent >= 1)
127 		    --ps.ind_level;
134 	ps.p_stack[++ps.tos] = lbrace;
135 	ps.il[ps.tos] = ps.ind_level;
136 	ps.p_stack[++ps.tos] = stmt;
138 	ps.il[ps.tos] = ps.i_l_follow;
142 	if (ps.p_stack[ps.tos] == dohead) {
144 	    ps.ind_level = ps.i_l_follow = ps.il[ps.tos];
145 	    ps.p_stack[++ps.tos] = whilestmt;
146 	    ps.il[ps.tos] = ps.ind_level = ps.i_l_follow;
149 	    ps.p_stack[++ps.tos] = whilestmt;
150 	    ps.il[ps.tos] = ps.i_l_follow;
151 	    ++ps.i_l_follow;
152 	    ps.search_brace = opt.btype_2;
159 	if (ps.p_stack[ps.tos] != ifhead)
162 	    ps.ind_level = ps.il[ps.tos];	/* indentation for else should
164 	    ps.i_l_follow = ps.ind_level + 1;	/* everything following should
166 	    ps.p_stack[ps.tos] = elsehead;
168 	    ps.search_brace = opt.btype_2 | opt.else_if;
174 	if (ps.tos > 0 && ps.p_stack[ps.tos - 1] == lbrace) {
175 	    ps.ind_level = ps.i_l_follow = ps.il[--ps.tos];
176 	    ps.p_stack[ps.tos] = stmt;
183 	ps.p_stack[++ps.tos] = swstmt;
184 	ps.cstk[ps.tos] = case_ind;
186 	ps.il[ps.tos] = ps.i_l_follow;
187 	case_ind = ps.i_l_follow + opt.case_indent;	/* cases should be one
190 	ps.i_l_follow += opt.case_indent + 1;	/* statements should be two
192 	ps.search_brace = opt.btype_2;
198 	ps.p_stack[++ps.tos] = stmt;
199 	ps.il[ps.tos] = ps.ind_level;
209     if (ps.tos >= STACKSIZE - 1)
215     for (i = 1; i <= ps.tos; ++i)
216 	printf("(%d %d)", ps.p_stack[i], ps.il[i]);
243  * On each reduction, ps.i_l_follow (the indentation for the following line)
250  * GLOBALS: ps.cstk ps.i_l_follow = ps.il ps.p_stack = ps.tos =
270 	switch (ps.p_stack[ps.tos]) {
273 	    switch (ps.p_stack[ps.tos - 1]) {
278 		ps.p_stack[--ps.tos] = stmtl;
282 		ps.p_stack[--ps.tos] = dohead;
283 		ps.i_l_follow = ps.il[ps.tos];
288 		ps.p_stack[--ps.tos] = ifhead;
289 		for (i = ps.tos - 1;
291 			 ps.p_stack[i] != stmt
293 			 ps.p_stack[i] != stmtl
295 			 ps.p_stack[i] != lbrace
298 		ps.i_l_follow = ps.il[i];
308 		case_ind = ps.cstk[ps.tos - 1];
317 		ps.p_stack[--ps.tos] = stmt;
318 		ps.i_l_follow = ps.il[ps.tos];
328 	    if (ps.p_stack[ps.tos - 1] == dohead) {
330 		ps.tos -= 2;