scanner: fix buffer stack popping in yylex_destroy

happyCoder92 · Apr 29, 2024 · faaa548 · faaa548
1 parent e241be6
commit faaa548
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Showing 3 changed files with 0 additions and 6 deletions.
diff --git a/src/c99-flex.skl b/src/c99-flex.skl
@@ -2504,8 +2504,6 @@ int yylex_destroy  (yyscan_t yyscanner) {
 
 	/* Pop the buffer stack, destroying each element. */
 	while(yy_current_buffer(yyscanner)) {
-		yy_delete_buffer( yy_current_buffer(yyscanner), yyscanner );
-		yyscanner->yy_buffer_stack[yyscanner->yy_buffer_stack_top] = NULL;
 		yypop_buffer_state(yyscanner);
 	}
 

diff --git a/src/cpp-flex.skl b/src/cpp-flex.skl
@@ -3827,8 +3827,6 @@ int yylex_destroy  (M4_YY_DEF_ONLY_ARG) {
 
 	/* Pop the buffer stack, destroying each element. */
 	while(yy_current_buffer()) {
-		yy_delete_buffer( yy_current_buffer() M4_YY_CALL_LAST_ARG );
-		YY_CURRENT_BUFFER_LVALUE = NULL;
 		yypop_buffer_state(M4_YY_CALL_ONLY_ARG);
 	}
 

diff --git a/src/go-flex.skl b/src/go-flex.skl
@@ -2347,8 +2347,6 @@ int yylex_destroy(FlexLexer *yyscanner) {
 
 	/* Pop the buffer stack, destroying each element. */
 	while(yy_current_buffer(yyscanner)) {
-		yy_delete_buffer(yy_current_buffer(yyscanner), yyscanner);
-		yyscanner->yyBufferStack[yyscanner->yyBufferStackTop] = NULL;
 		yypop_buffer_state(yyscanner);
 	}