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glr: example: flush the output

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* examples/c/glr/c++-types.y: Flush stdout so that the logs (on
stderr) and the effective output (on stdout) mix correctly.
While at it, be a bit more const-correct.
This commit is contained in:
Akim Demaille
2021-01-03 19:42:21 +01:00
parent e2199d0fb2
commit 31b8b8f179
1 changed files with 6 additions and 4 deletions
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10
examples/c/glr/c++-types.y
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@@ -64,8 +64,8 @@
static Node *new_nterm (char const *, Node *, Node *, Node *); static Node *new_nterm (char const *, Node *, Node *, Node *);
static Node *new_term (char *); static Node *new_term (char *);
static void free_node (Node *); static void free_node (Node *);
static char *node_to_string (Node *); static char *node_to_string (const Node *);
static void node_print (FILE *, Node *); static void node_print (FILE *, const Node *);
static Node *stmtMerge (YYSTYPE x0, YYSTYPE x1); static Node *stmtMerge (YYSTYPE x0, YYSTYPE x1);
static void yyerror (YYLTYPE const * const llocp, const char *msg); static void yyerror (YYLTYPE const * const llocp, const char *msg);
@@ -95,6 +95,7 @@ prog : %empty
fputs (": ", stdout); fputs (": ", stdout);
node_print (stdout, $2); node_print (stdout, $2);
putc ('\n', stdout); putc ('\n', stdout);
fflush (stdout);
free_node ($2); free_node ($2);
} }
; ;
@@ -255,7 +256,7 @@ free_node (Node *node)
} }
static char * static char *
node_to_string (Node *node) node_to_string (const Node *node)
{ {
char *res; char *res;
if (!node) if (!node)
@@ -280,7 +281,8 @@ node_to_string (Node *node)
return res; return res;
} }
static void node_print (FILE *out, Node *n) static void
node_print (FILE *out, const Node *n)
{ {
char *str = node_to_string (n); char *str = node_to_string (n);
fputs (str, out); fputs (str, out);