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style: reduce scopes

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* src/scan-code.l: here.
This commit is contained in:
Akim Demaille
2018-08-18 08:18:51 +02:00
parent d288047e9b
commit 28cde9c128
1 changed files with 22 additions and 31 deletions
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47
src/scan-code.l
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@@ -296,9 +296,7 @@ static variant *
variant_add (uniqstr id, location id_loc, unsigned symbol_index,
char *cp, char *cp_end, bool explicit_bracketing)
{
char *prefix_end;
prefix_end = find_prefix_end (id, cp, cp_end);
char *prefix_end = find_prefix_end (id, cp, cp_end);
if (prefix_end &&
(prefix_end == cp_end ||
(!explicit_bracketing && is_dot_or_dash (*prefix_end))))
@@ -340,8 +338,6 @@ show_sub_message (warnings warning,
var->id, at_spec);
else
{
static struct obstack msg_buf;
const char *tail = explicit_bracketing ? "" : cp + strlen (var->id);
const char *id;
location id_loc;
@@ -356,7 +352,10 @@ show_sub_message (warnings warning,
id_loc = var->loc;
}
const char *tail = explicit_bracketing ? "" : cp + strlen (var->id);
/* Create the explanation message. */
static struct obstack msg_buf;
obstack_init (&msg_buf);
obstack_printf (&msg_buf, _("possibly meant: %c"), dollar_or_at);
@@ -395,9 +394,7 @@ show_sub_messages (warnings warning,
int midrule_rhs_index, char dollar_or_at,
unsigned indent)
{
unsigned i;
for (i = 0; i < variant_count; ++i)
for (unsigned i = 0; i < variant_count; ++i)
show_sub_message (warning | silent,
cp, explicit_bracketing,
midrule_rhs_index, dollar_or_at,
@@ -420,13 +417,6 @@ parse_ref (char *cp, symbol_list *rule, int rule_length,
int midrule_rhs_index, char *text, location text_loc,
char dollar_or_at)
{
symbol_list *l;
char *cp_end;
bool explicit_bracketing;
unsigned i;
unsigned valid_variants = 0;
unsigned valid_variant_index = 0;
if ('$' == *cp)
return LHS_REF;
@@ -443,6 +433,9 @@ parse_ref (char *cp, symbol_list *rule, int rule_length,
}
}
char *cp_end;
bool explicit_bracketing;
if ('[' == *cp)
{
/* Ignore the brackets. */
@@ -473,15 +466,16 @@ parse_ref (char *cp, symbol_list *rule, int rule_length,
/* Add all relevant variants. */
{
unsigned symbol_index;
symbol_list *l;
variant_count = 0;
for (symbol_index = 0, l = rule; !symbol_list_null (l);
++symbol_index, l = l->next)
{
variant *var;
if (l->content_type != SYMLIST_SYMBOL)
continue;
var = variant_add (l->content.sym->tag, l->sym_loc,
variant *var
= variant_add (l->content.sym->tag, l->sym_loc,
symbol_index, cp, cp_end, explicit_bracketing);
if (var && l->named_ref)
var->hidden_by = l->named_ref;
@@ -493,7 +487,9 @@ parse_ref (char *cp, symbol_list *rule, int rule_length,
}
/* Check errors. */
for (i = 0; i < variant_count; ++i)
unsigned valid_variants = 0;
unsigned valid_variant_index = 0;
for (unsigned i = 0; i < variant_count; ++i)
{
variant *var = &variant_table[i];
unsigned symbol_index = var->symbol_index;
@@ -630,11 +626,8 @@ fetch_type_name (char *cp, char const **type_name,
static void
handle_action_dollar (symbol_list *rule, char *text, location dollar_loc)
{
char const *type_name = NULL;
char *cp = text + 1;
symbol_list *effective_rule;
int effective_rule_length;
int n;
if (rule->midrule_parent_rule)
{
@@ -648,9 +641,10 @@ handle_action_dollar (symbol_list *rule, char *text, location dollar_loc)
}
/* Get the type name if explicit. */
cp = fetch_type_name (cp, &type_name, dollar_loc);
char const *type_name = NULL;
char *cp = fetch_type_name (text + 1, &type_name, dollar_loc);
n = parse_ref (cp, effective_rule, effective_rule_length,
int n = parse_ref (cp, effective_rule, effective_rule_length,
rule->midrule_parent_rhs_index, text, dollar_loc, '$');
/* End type_name. */
@@ -726,10 +720,8 @@ handle_action_dollar (symbol_list *rule, char *text, location dollar_loc)
static void
handle_action_at (symbol_list *rule, char *text, location at_loc)
{
char *cp = text + 1;
symbol_list *effective_rule;
int effective_rule_length;
int n;
if (rule->midrule_parent_rule)
{
@@ -744,7 +736,7 @@ handle_action_at (symbol_list *rule, char *text, location at_loc)
muscle_percent_define_ensure("locations", at_loc, true);
n = parse_ref (cp, effective_rule, effective_rule_length,
int n = parse_ref (text + 1, effective_rule, effective_rule_length,
rule->midrule_parent_rhs_index, text, at_loc, '@');
switch (n)
{
@@ -773,7 +765,6 @@ handle_action_at (symbol_list *rule, char *text, location at_loc)
static char const *
translate_action (code_props *self, int sc_context)
{
char *res;
static bool initialized = false;
if (!initialized)
{
@@ -784,7 +775,7 @@ translate_action (code_props *self, int sc_context)
loc->start = loc->end = self->location.start;
yy_switch_to_buffer (yy_scan_string (self->code));
res = code_lex (self, sc_context);
char *res = code_lex (self, sc_context);
yy_delete_buffer (YY_CURRENT_BUFFER);
return res;