1 files changed, 57 insertions, 0 deletions
diff --git a/src/formatter/args.c b/src/formatter/args.c
new file mode 100644
index 00000000..997a1e39
--- /dev/null
+++ b/src/formatter/args.c
@@ -0,0 +1,57 @@
+// Logic for formatting arguments and argument lists
+
+#include "../ast.h"
+#include "../stdlib/datatypes.h"
+#include "../stdlib/optionals.h"
+#include "../stdlib/text.h"
+#include "formatter.h"
+#include "types.h"
+#include "utils.h"
+
+OptionalText_t format_inline_arg(arg_ast_t *arg, Table_t comments) {
+    if (range_has_comment(arg->start, arg->end, comments)) return NONE_TEXT;
+    if (arg->name == NULL && arg->value) return must(format_inline_code(arg->value, comments));
+    Text_t code = Text$from_str(arg->name);
+    if (arg->type) code = Texts(code, ":", must(format_type(arg->type)));
+    if (arg->value) code = Texts(code, "=", must(format_inline_code(arg->value, comments)));
+    return code;
+}
+
+Text_t format_arg(arg_ast_t *arg, Table_t comments, Text_t indent) {
+    OptionalText_t inline_arg = format_inline_arg(arg, comments);
+    if (inline_arg.length >= 0 && inline_arg.length <= MAX_WIDTH) return inline_arg;
+    if (arg->name == NULL && arg->value) return format_code(arg->value, comments, indent);
+    Text_t code = Text$from_str(arg->name);
+    if (arg->type) code = Texts(code, ":", format_type(arg->type));
+    if (arg->value) code = Texts(code, "=", format_code(arg->value, comments, indent));
+    return code;
+}
+
+OptionalText_t format_inline_args(arg_ast_t *args, Table_t comments) {
+    Text_t code = EMPTY_TEXT;
+    for (arg_ast_t *arg = args; arg; arg = arg->next) {
+        if (arg->name && arg->next && arg->type == arg->next->type && arg->value == arg->next->value) {
+            code = Texts(code, Text$from_str(arg->name), ",");
+        } else {
+            code = Texts(code, must(format_inline_arg(arg, comments)));
+            if (arg->next) code = Texts(code, ", ");
+        }
+        if (arg->next && range_has_comment(arg->end, arg->next->start, comments)) return NONE_TEXT;
+    }
+    return code;
+}
+
+Text_t format_args(arg_ast_t *args, Table_t comments, Text_t indent) {
+    OptionalText_t inline_args = format_inline_args(args, comments);
+    if (inline_args.length >= 0 && inline_args.length <= MAX_WIDTH) return inline_args;
+    Text_t code = EMPTY_TEXT;
+    for (arg_ast_t *arg = args; arg; arg = arg->next) {
+        if (arg->name && arg->next && arg->type == arg->next->type && arg->value == arg->next->value) {
+            code = Texts(code, Text$from_str(arg->name), ",");
+        } else {
+            code = Texts(code, "\n", indent, single_indent, format_arg(arg, comments, Texts(indent, single_indent)));
+            if (args->next) code = Texts(code, ",");
+        }
+    }
+    return code;
+}