Refactor parser to C11 and update build configuration

v0/include.mk

@@ -11,7 +11,7 @@ V0_TEST_OBJ := $(patsubst v0/%.c,v0/bin/%.o,$(V0_TEST))
 V0_SRC_DEPS := $(V0_SRC_OBJ:.o=.d)
 V0_TEST_DEPS := $(V0_TEST_OBJ:.o=.d)
 
-CFLAGS += -Werror -Wall -pedantic -std=c89
+CFLAGS += -Werror -Wall -pedantic -std=c11
 
 v0/bin/c2: $(V0_SRC_OBJ)
 	$(CC) $(CFLAGS) -o $@ $^

v0/parser.c

@@ -5,13 +5,7 @@
 #include <stdio.h>
 
 Module* parser_parse(TokenStream* ts) {
-    /* Declarations first for C89 */
-    Token t;
-    Module* module;
-    ImportDeclaration* new_imports;
-    int is_public;
-
-    t = tokenstream_next(ts);
+    Token t = tokenstream_next(ts);
 	if (t.token != TOKEN_MODULE) {
 		log_on_line(&t.location, t.location.column_end, "expected 'module' keyword");
 		return NULL;
@@ -23,7 +17,7 @@ Module* parser_parse(TokenStream* ts) {
         return NULL;
     }
 
-    module = (Module*)malloc(sizeof(Module));
+    Module* module = (Module*)malloc(sizeof(Module));
     if (module == NULL) {
         fprintf(stderr, "Out of memory\n");
         exit(1);
@@ -41,16 +35,13 @@ Module* parser_parse(TokenStream* ts) {
 		return NULL;
 	}
 
-	module->imports = NULL;
-	module->import_count = 0;
-
 	while (1) {
 		t = tokenstream_next(ts);
 		if (t.token != TOKEN_IMPORT) {
 			break;
 		}
 
-        new_imports = realloc(module->imports, (module->import_count + 1) * sizeof(ImportDeclaration));
+        ImportDeclaration* new_imports = realloc(module->imports, (module->import_count + 1) * sizeof(ImportDeclaration));
         if (!new_imports) {
             fprintf(stderr, "Out of memory\n");
             exit(1);
@@ -58,9 +49,9 @@ Module* parser_parse(TokenStream* ts) {
         module->imports = new_imports;
 
 		t = tokenstream_next(ts);
-        is_public = 0;
+        bool is_public = false;
         if (t.token == TOKEN_IDENTIFIER && strncmp(t.text.data, "public", t.text.length) == 0) {
-            is_public = 1;
+            is_public = true;
             t = tokenstream_next(ts);
         }
 
@@ -70,8 +61,7 @@ Module* parser_parse(TokenStream* ts) {
 			return NULL;
 		}
 
-		module->imports[module->import_count].module_name = t;
-		module->imports[module->import_count].is_public = (bool)is_public;
+		module->imports[module->import_count] = (ImportDeclaration){ .module_name = t, .is_public = is_public };
 		module->import_count++;
 
 		t = tokenstream_next(ts);