Use explicit syntax for functions with no parameters

cli/src/generate/render.rs

@@ -713,7 +713,7 @@ impl Generator {
         let external_scanner_name = format!("{}_external_scanner", language_function_name);
 
         if !self.syntax_grammar.external_tokens.is_empty() {
-            add_line!(self, "void *{}_create();", external_scanner_name);
+            add_line!(self, "void *{}_create(void);", external_scanner_name);
             add_line!(self, "void {}_destroy(void *);", external_scanner_name);
             add_line!(
                 self,
@@ -740,7 +740,7 @@ impl Generator {
 
         add_line!(
             self,
-            "extern const TSLanguage *{}() {{",
+            "extern const TSLanguage *{}(void) {{",
             language_function_name
         );
         indent!(self);

lib/include/tree_sitter/api.h

@@ -77,7 +77,7 @@ typedef struct {
   uint32_t context[2];
 } TSTreeCursor;
 
-TSParser *ts_parser_new();
+TSParser *ts_parser_new(void);
 void ts_parser_delete(TSParser *);
 const TSLanguage *ts_parser_language(const TSParser *);
 bool ts_parser_set_language(TSParser *, const TSLanguage *);

lib/include/tree_sitter/parser.h

@@ -92,7 +92,7 @@ struct TSLanguage {
   struct {
     const bool *states;
     const TSSymbol *symbol_map;
-    void *(*create)();
+    void *(*create)(void);
     void (*destroy)(void *);
     bool (*scan)(void *, TSLexer *, const bool *symbol_whitelist);
     unsigned (*serialize)(void *, char *);

lib/src/clock.h

@@ -26,11 +26,11 @@ static inline uint64_t duration_to_micros(TSDuration self) {
   return self * 1000000 / (uint64_t)frequency.QuadPart;
 }
 
-static inline TSClock clock_null() {
+static inline TSClock clock_null(void) {
   return 0;
 }
 
-static inline TSClock clock_now() {
+static inline TSClock clock_now(void) {
   LARGE_INTEGER result;
   QueryPerformanceCounter(&result);
   return (uint64_t)result.QuadPart;
@@ -68,13 +68,13 @@ static inline uint64_t duration_to_micros(TSDuration self) {
   return self;
 }
 
-static inline TSClock clock_now() {
+static inline TSClock clock_now(void) {
   TSClock result;
   clock_gettime(CLOCK_MONOTONIC, &result);
   return result;
 }
 
-static inline TSClock clock_null() {
+static inline TSClock clock_null(void) {
   return (TSClock) {0, 0};
 }
 
@@ -116,11 +116,11 @@ static inline uint64_t duration_to_micros(TSDuration self) {
   return self * 1000000 / (uint64_t)CLOCKS_PER_SEC;
 }
 
-static inline TSClock clock_null() {
+static inline TSClock clock_null(void) {
   return 0;
 }
 
-static inline TSClock clock_now() {
+static inline TSClock clock_now(void) {
   return (uint64_t)clock();
 }
 

lib/src/length.h

@@ -36,7 +36,7 @@ static inline Length length_sub(Length len1, Length len2) {
   return result;
 }
 
-static inline Length length_zero() {
+static inline Length length_zero(void) {
   Length result = {0, {0, 0}};
   return result;
 }

lib/src/node.c

@@ -22,7 +22,7 @@ TSNode ts_node_new(const TSTree *tree, const Subtree *subtree, Length position,
   };
 }
 
-static inline TSNode ts_node__null() {
+static inline TSNode ts_node__null(void) {
   return ts_node_new(NULL, NULL, length_zero(), 0);
 }
 

lib/src/parser.c

@@ -1501,7 +1501,7 @@ static bool ts_parser_has_outstanding_parse(TSParser *self) {
 
 // Parser - Public
 
-TSParser *ts_parser_new() {
+TSParser *ts_parser_new(void) {
   TSParser *self = ts_calloc(1, sizeof(TSParser));
   ts_lexer_init(&self->lexer);
   array_init(&self->reduce_actions);

lib/src/reusable_node.h

@@ -11,7 +11,7 @@ typedef struct {
   Subtree last_external_token;
 } ReusableNode;
 
-static inline ReusableNode reusable_node_new() {
+static inline ReusableNode reusable_node_new(void) {
   return (ReusableNode) {array_new(), NULL_SUBTREE};
 }