feat: add ast

ast.h

@@ -0,0 +1,175 @@
+#ifndef _LIBGRAPHQL_AST_H
+#define _LIBGRAPHQL_AST_H
+
+#include "string.h"
+#include "linked_list.h"
+
+typedef struct graphql_ast_loc_s graphql_ast_loc_t;
+struct graphql_ast_loc_s {
+    int start;
+    int end;
+    const char *src;
+};
+
+typedef struct graphql_ast_node_s graphql_ast_node_t;
+struct graphql_ast_node_s {
+    graphql_linked_list_t lh;
+    int kind;
+    graphql_ast_loc_t loc;
+};
+
+typedef struct graphql_ast_name_s graphql_ast_name_t;
+struct graphql_ast_name_s {
+    graphql_ast_node_t node;
+    graphql_str_t val;
+};
+
+typedef struct graphql_ast_value_s graphql_ast_value_t;
+struct graphql_ast_value_s {
+    graphql_ast_node_t node;
+};
+
+typedef struct graphql_ast_object_field_s graphql_ast_object_field_t;
+struct graphql_ast_object_field_s {
+    graphql_ast_node_t node;
+    graphql_ast_name_t name;
+    graphql_ast_value_t val;
+};
+
+typedef struct graphql_ast_variable_s graphql_ast_variable_t;
+struct graphql_ast_variable_s {
+    graphql_ast_value_t super;
+    graphql_ast_name_t name;
+};
+
+typedef struct graphql_ast_int_value_s graphql_ast_int_value_t;
+struct graphql_ast_int_value_s {
+    graphql_ast_value_t super;
+    graphql_str_t val;
+};
+
+typedef struct graphql_ast_float_value_s graphql_ast_float_value_t;
+struct graphql_ast_float_value_s {
+    graphql_ast_value_t super;
+    graphql_str_t val;
+};
+
+typedef struct graphql_ast_string_value_s graphql_ast_string_value_t;
+struct graphql_ast_string_value_s {
+    graphql_ast_value_t super;
+    graphql_str_t val;
+};
+
+typedef struct graphql_ast_bool_value_s graphql_ast_bool_value_t;
+struct graphql_ast_bool_value_s {
+    graphql_ast_value_t super;
+    int val;
+};
+
+typedef struct graphql_ast_enum_value_s graphql_ast_enum_value_t;
+struct graphql_ast_enum_value_s {
+    graphql_ast_value_t super;
+    graphql_str_t val;
+};
+
+typedef struct graphql_ast_list_value_s graphql_ast_list_value_t;
+struct graphql_ast_list_value_s {
+    graphql_ast_value_t super;
+    graphql_linked_list_t val;
+};
+
+typedef struct graphql_ast_list_value_item_s graphql_ast_list_value_item_t;
+struct graphql_ast_list_value_item_s {
+    graphql_linked_list_t lh;
+    graphql_ast_value_t val;
+};
+
+typedef struct graphql_ast_object_field_value_s graphql_ast_object_field_value_t;
+struct graphql_ast_object_field_value_s {
+    graphql_ast_value_t super;
+    graphql_linked_list_t val;
+};
+
+typedef struct graphql_ast_object_field_value_item_s graphql_ast_object_field_value_item_t;
+struct graphql_ast_object_field_value_item_s {
+    graphql_linked_list_t lh;
+    graphql_ast_object_field_t val;
+};
+
+typedef struct graphql_ast_arg_s graphql_ast_arg_t;
+struct graphql_ast_arg_s {
+    graphql_ast_node_t node;
+    graphql_ast_name_t name;
+    graphql_ast_value_t val;
+};
+
+typedef struct graphql_ast_directive_s graphql_ast_directive_t;
+struct graphql_ast_directive_s {
+    graphql_ast_node_t node;
+    graphql_ast_name_t name;
+    graphql_linked_list_t args;
+};
+
+typedef struct graphql_ast_args_item_s graphql_ast_args_item_t;
+struct graphql_ast_args_item_s {
+    graphql_linked_list_t lh;
+    graphql_ast_arg_t arg;
+};
+
+typedef struct graphql_ast_dirs_item_s graphql_ast_dirs_item_t;
+struct graphql_ast_dirs_item_s {
+    graphql_linked_list_t lh;
+    graphql_ast_directive_t dir;
+};
+
+typedef struct graphql_ast_selection_set_s graphql_ast_selection_set_t;
+typedef struct graphql_ast_selection_s graphql_ast_selection_t;
+
+struct graphql_ast_selection_set_s {
+    graphql_ast_node_t node;
+    graphql_linked_list_t selections;
+};
+
+struct graphql_ast_selection_s {
+    int kind;
+    graphql_linked_list_t lh;
+
+    graphql_ast_selection_set_t selection_set;
+};
+
+typedef struct graphql_ast_field_s graphql_ast_field_t;
+struct graphql_ast_field_s {
+    graphql_ast_selection_t selection;
+    graphql_ast_node_t node;
+
+    graphql_ast_name_t alias;
+    graphql_ast_name_t name;
+    graphql_linked_list_t args;
+    graphql_linked_list_t dirs;
+};
+
+typedef struct graphql_ast_fragment_spread_s graphql_ast_fragment_spread_t;
+struct graphql_ast_fragment_spread_s {
+    graphql_ast_selection_t selection;
+    graphql_ast_node_t node;
+
+    graphql_ast_name_t name;
+    graphql_linked_list_t dirs;
+};
+
+typedef struct graphql_ast_inline_fragment_s graphql_ast_inline_fragment_t;
+struct graphql_ast_inline_fragment_s {
+    graphql_ast_selection_t selection;
+    graphql_ast_node_t node;
+
+    graphql_ast_name_t type_condition;
+    graphql_linked_list_t dirs;
+};
+
+typedef struct graphql_ast_document_s graphql_ast_document_t;
+struct graphql_ast_document_s {
+    graphql_ast_node_t node;
+    graphql_linked_list_t definitions;
+};
+
+#endif