MatCat.OpenSource/8sa1-gcc
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

(simple_if): Save stmt_count, and print empty body warning here.

Browse Source 
(simple_if): Save stmt_count, and print empty body
warning here.
(if_prefix): Don't save stmt_count here.
(stmt): Don't print empty body warning here.

From-SVN: r4880
This commit is contained in:
Jim Wilson 1993-07-07 15:59:22 -07:00
parent ea961c18aa
commit f5a1436b01
1 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
gcc/c-parse.in
View File

@ -1543,7 +1543,12 @@ compstmt: '{' '}'
/* Value is number of statements counted as of the closeparen. */ /* Value is number of statements counted as of the closeparen. */
simple_if: simple_if:
if_prefix lineno_labeled_stmt if_prefix
{ $<itype>1 = stmt_count; }
lineno_labeled_stmt
{ if (extra_warnings && stmt_count == $<itype>1)
warning_with_file_and_line (if_stmt_file, if_stmt_line,
"empty body in an if-statement"); }
/* Make sure expand_end_cond is run once /* Make sure expand_end_cond is run once
for each call to expand_start_cond. for each call to expand_start_cond.
Otherwise a crash is likely. */ Otherwise a crash is likely. */
@ -1554,7 +1559,6 @@ if_prefix:
IF '(' expr ')' IF '(' expr ')'
{ emit_line_note ($<filename>-1, $<lineno>0); { emit_line_note ($<filename>-1, $<lineno>0);
expand_start_cond (truthvalue_conversion ($3), 0); expand_start_cond (truthvalue_conversion ($3), 0);
$<itype>1 = stmt_count;
if_stmt_file = $<filename>-1; if_stmt_file = $<filename>-1;
if_stmt_line = $<lineno>0; if_stmt_line = $<lineno>0;
position_after_white_space (); } position_after_white_space (); }
@ -1629,10 +1633,7 @@ stmt:
if (extra_warnings && stmt_count == $<itype>1) if (extra_warnings && stmt_count == $<itype>1)
warning ("empty body in an else-statement"); } warning ("empty body in an else-statement"); }
| simple_if %prec IF | simple_if %prec IF
{ expand_end_cond (); { expand_end_cond (); }
if (extra_warnings && stmt_count == $<itype>1)
warning_with_file_and_line (if_stmt_file, if_stmt_line,
"empty body in an if-statement"); }
/* Make sure expand_end_cond is run once /* Make sure expand_end_cond is run once
for each call to expand_start_cond. for each call to expand_start_cond.
Otherwise a crash is likely. */ Otherwise a crash is likely. */