style: prefer 'FOO ()' to 'FOO' for function-like macros

* src/flex-scanner.h (STRING_GROW, STRING_FINISH, STRING_FREE):
Make them function-like macros.
Adjust dependencies.
This commit is contained in:
Akim Demaille
2020-06-13 08:11:22 +02:00
parent 1998606a90
commit c857ed4f72
5 changed files with 55 additions and 55 deletions

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@@ -94,22 +94,22 @@ int FLEX_PREFIX (lex_destroy) (void);
keep (to construct ID, STRINGS etc.). Use the following macros to
use it.
Use STRING_GROW to append what has just been matched, and
STRING_FINISH to end the string (it puts the ending 0).
STRING_FINISH also stores this string in LAST_STRING, which can be
used, and which is used by STRING_FREE to free the last string. */
Use STRING_GROW () to append what has just been matched, and
STRING_FINISH () to end the string (it puts the ending 0).
STRING_FINISH () also stores this string in LAST_STRING, which can be
used, and which is used by STRING_FREE () to free the last string. */
#ifndef FLEX_NO_OBSTACK
static struct obstack obstack_for_string;
# define STRING_GROW \
# define STRING_GROW() \
obstack_grow (&obstack_for_string, yytext, yyleng)
# define STRING_FINISH \
# define STRING_FINISH() \
(last_string = obstack_finish0 (&obstack_for_string))
# define STRING_FREE \
# define STRING_FREE() \
obstack_free (&obstack_for_string, last_string)
#endif

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@@ -112,7 +112,7 @@ ref -?[0-9]+|{id}|"["{id}"]"|"$"
<SC_COMMENT>
{
"*"{splice}"/" STRING_GROW; BEGIN sc_context;
"*"{splice}"/" STRING_GROW (); BEGIN sc_context;
}
@@ -122,8 +122,8 @@ ref -?[0-9]+|{id}|"["{id}"]"|"$"
<SC_LINE_COMMENT>
{
"\n" STRING_GROW; BEGIN sc_context;
{splice} STRING_GROW;
"\n" STRING_GROW (); BEGIN sc_context;
{splice} STRING_GROW ();
}
@@ -133,26 +133,26 @@ ref -?[0-9]+|{id}|"["{id}"]"|"$"
<SC_CHARACTER,SC_STRING>
{
{splice}|\\{splice}. STRING_GROW;
{splice}|\\{splice}. STRING_GROW ();
}
<SC_CHARACTER>
{
"'" STRING_GROW; BEGIN sc_context;
"'" STRING_GROW (); BEGIN sc_context;
}
<SC_STRING>
{
"\"" STRING_GROW; BEGIN sc_context;
"\"" STRING_GROW (); BEGIN sc_context;
}
<SC_RULE_ACTION,SC_SYMBOL_ACTION>
{
"'" STRING_GROW; BEGIN SC_CHARACTER;
"\"" STRING_GROW; BEGIN SC_STRING;
"/"{splice}"*" STRING_GROW; BEGIN SC_COMMENT;
"/"{splice}"/" STRING_GROW; BEGIN SC_LINE_COMMENT;
"'" STRING_GROW (); BEGIN SC_CHARACTER;
"\"" STRING_GROW (); BEGIN SC_STRING;
"/"{splice}"*" STRING_GROW (); BEGIN SC_COMMENT;
"/"{splice}"/" STRING_GROW (); BEGIN SC_LINE_COMMENT;
[$@] {
complain (loc, Wother, _("stray '%s'"), yytext);
@@ -199,10 +199,10 @@ ref -?[0-9]+|{id}|"["{id}"]"|"$"
[$@\[\]] obstack_escape (&obstack_for_string, yytext);
/* By default, grow the string obstack with the input. */
.|\n STRING_GROW;
.|\n STRING_GROW ();
/* End of processing. */
<<EOF>> STRING_FINISH; return last_string;
<<EOF>> STRING_FINISH (); return last_string;
}
%%
@@ -835,7 +835,7 @@ code_props_translate_code (code_props *self)
void
code_scanner_last_string_free (void)
{
STRING_FREE;
STRING_FREE ();
}
void

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@@ -115,7 +115,7 @@ static int bracketed_id_context_state = 0;
void
gram_scanner_last_string_free (void)
{
STRING_FREE;
STRING_FREE ();
}
static void handle_syncline (char *, location);
@@ -344,7 +344,7 @@ eqopt ({sp}=)?
/* Code in between braces. */
"{" {
STRING_GROW;
STRING_GROW ();
nesting = 0;
code_start = loc->start;
BEGIN SC_BRACED_CODE;
@@ -403,7 +403,7 @@ eqopt ({sp}=)?
{
\0 {
complain (loc, complaint, _("invalid null character"));
STRING_FREE;
STRING_FREE ();
return GRAM_error;
}
}
@@ -533,7 +533,7 @@ eqopt ({sp}=)?
<SC_COMMENT>
{
"*"{splice}"/" STRING_GROW; BEGIN context_state;
"*"{splice}"/" STRING_GROW (); BEGIN context_state;
<<EOF>> unexpected_eof (token_start, "*/"); BEGIN context_state;
}
@@ -544,8 +544,8 @@ eqopt ({sp}=)?
<SC_LINE_COMMENT>
{
{eol} STRING_GROW; BEGIN context_state;
{splice} STRING_GROW;
{eol} STRING_GROW (); BEGIN context_state;
{splice} STRING_GROW ();
<<EOF>> BEGIN context_state;
}
@@ -558,7 +558,7 @@ eqopt ({sp}=)?
<SC_ESCAPED_STRING>
{
"\"" {
STRING_FINISH;
STRING_FINISH ();
BEGIN INITIAL;
loc->start = token_start;
complain (loc, Wyacc,
@@ -572,7 +572,7 @@ eqopt ({sp}=)?
<SC_ESCAPED_TSTRING>
{
"\")" {
STRING_FINISH;
STRING_FINISH ();
BEGIN INITIAL;
loc->start = token_start;
complain (loc, Wyacc,
@@ -591,7 +591,7 @@ eqopt ({sp}=)?
<SC_ESCAPED_CHARACTER>
{
"'" {
STRING_FINISH;
STRING_FINISH ();
BEGIN INITIAL;
loc->start = token_start;
val->CHAR = last_string[0];
@@ -599,18 +599,18 @@ eqopt ({sp}=)?
if (last_string[0] == '\0')
{
complain (loc, complaint, _("empty character literal"));
STRING_FREE;
STRING_FREE ();
return GRAM_error;
}
else if (last_string[1] != '\0')
{
complain (loc, complaint, _("extra characters in character literal"));
STRING_FREE;
STRING_FREE ();
return GRAM_error;
}
else
{
STRING_FREE;
STRING_FREE ();
return CHAR;
}
}
@@ -630,18 +630,18 @@ eqopt ({sp}=)?
--nesting;
if (nesting < 0)
{
STRING_FINISH;
STRING_FINISH ();
loc->start = token_start;
val->TAG = uniqstr_new (last_string);
STRING_FREE;
STRING_FREE ();
BEGIN INITIAL;
return TAG;
}
STRING_GROW;
STRING_GROW ();
}
([^<>]|->)+ STRING_GROW;
"<"+ STRING_GROW; nesting += yyleng;
([^<>]|->)+ STRING_GROW ();
"<"+ STRING_GROW (); nesting += yyleng;
<<EOF>> unexpected_eof (token_start, ">");
}
@@ -696,19 +696,19 @@ eqopt ({sp}=)?
<SC_CHARACTER,SC_STRING>
{
{splice}|\\{splice}[^\n\[\]] STRING_GROW;
{splice}|\\{splice}[^\n\[\]] STRING_GROW ();
}
<SC_CHARACTER>
{
"'" STRING_GROW; BEGIN context_state;
"'" STRING_GROW (); BEGIN context_state;
{eol} unexpected_newline (token_start, "'");
<<EOF>> unexpected_eof (token_start, "'");
}
<SC_STRING>
{
"\"" STRING_GROW; BEGIN context_state;
"\"" STRING_GROW (); BEGIN context_state;
{eol} unexpected_newline (token_start, "\"");
<<EOF>> unexpected_eof (token_start, "\"");
}
@@ -721,25 +721,25 @@ eqopt ({sp}=)?
<SC_BRACED_CODE,SC_PROLOGUE,SC_EPILOGUE,SC_PREDICATE>
{
"'" {
STRING_GROW;
STRING_GROW ();
context_state = YY_START;
token_start = loc->start;
BEGIN SC_CHARACTER;
}
"\"" {
STRING_GROW;
STRING_GROW ();
context_state = YY_START;
token_start = loc->start;
BEGIN SC_STRING;
}
"/"{splice}"*" {
STRING_GROW;
STRING_GROW ();
context_state = YY_START;
token_start = loc->start;
BEGIN SC_COMMENT;
}
"/"{splice}"/" {
STRING_GROW;
STRING_GROW ();
context_state = YY_START;
BEGIN SC_LINE_COMMENT;
}
@@ -754,12 +754,12 @@ eqopt ({sp}=)?
<SC_BRACED_CODE,SC_PREDICATE>
{
"{"|"<"{splice}"%" STRING_GROW; nesting++;
"%"{splice}">" STRING_GROW; nesting--;
"{"|"<"{splice}"%" STRING_GROW (); nesting++;
"%"{splice}">" STRING_GROW (); nesting--;
/* Tokenize '<<%' correctly (as '<<' '%') rather than incorrectly
(as '<' '<%'). */
"<"{splice}"<" STRING_GROW;
"<"{splice}"<" STRING_GROW ();
<<EOF>> unexpected_eof (code_start, "}");
}
@@ -772,7 +772,7 @@ eqopt ({sp}=)?
--nesting;
if (nesting < 0)
{
STRING_FINISH;
STRING_FINISH ();
loc->start = code_start;
BEGIN INITIAL;
RETURN_VALUE (BRACED_CODE, last_string);
@@ -786,7 +786,7 @@ eqopt ({sp}=)?
--nesting;
if (nesting < 0)
{
STRING_FINISH;
STRING_FINISH ();
loc->start = code_start;
BEGIN INITIAL;
RETURN_VALUE (BRACED_PREDICATE, last_string);
@@ -803,7 +803,7 @@ eqopt ({sp}=)?
<SC_PROLOGUE>
{
"%}" {
STRING_FINISH;
STRING_FINISH ();
loc->start = code_start;
BEGIN INITIAL;
RETURN_VALUE (PROLOGUE, last_string);
@@ -821,7 +821,7 @@ eqopt ({sp}=)?
<SC_EPILOGUE>
{
<<EOF>> {
STRING_FINISH;
STRING_FINISH ();
loc->start = code_start;
BEGIN INITIAL;
RETURN_VALUE (EPILOGUE, last_string);
@@ -841,7 +841,7 @@ eqopt ({sp}=)?
Add a fallthrough "|." so that non UTF-8 input is still accepted
and does not jam the scanner. */
{mbchar}|. STRING_GROW;
{mbchar}|. STRING_GROW ();
}
%%

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@@ -100,7 +100,7 @@ static void output_mapped_file (char const *name);
<SC_AT_DIRECTIVE_ARGS>
{
[^@]+ STRING_GROW;
[^@]+ STRING_GROW ();
"@@" obstack_1grow (&obstack_for_string, '@');
"@{" obstack_1grow (&obstack_for_string, '[');

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@@ -1690,8 +1690,8 @@ AT_CLEANUP
AT_SETUP([Unclosed constructs])
# Bison's scan-gram.l once forgot to STRING_FINISH some unclosed
# constructs, so they were prepended to whatever it STRING_GROW'ed
# Bison's scan-gram.l once forgot to STRING_FINISH () some unclosed
# constructs, so they were prepended to whatever it STRING_GROW ()'ed
# next. It also threw them away rather than returning them to the
# parser. The effect was confusing subsequent error messages.