typedef struct ast_unary_s ast_unary;
typedef struct ast_return_s ast_return;
+enum {
+ TYPE_ast_node,
+ TYPE_ast_expression,
+ TYPE_ast_value,
+ TYPE_ast_function,
+ TYPE_ast_block,
+ TYPE_ast_binary,
+ TYPE_ast_store,
+ TYPE_ast_entfield,
+ TYPE_ast_ifthen,
+ TYPE_ast_ternary,
+ TYPE_ast_loop,
+ TYPE_ast_call,
+ TYPE_ast_unary,
+ TYPE_ast_return
+};
+
+#define ast_istype(x, t) ( ((ast_node_common*)x)->nodetype == (t) )
+
/* Node interface with common components
*/
typedef void ast_node_delete(ast_node*);
lex_ctx context;
/* I don't feel comfortable using keywords like 'delete' as names... */
ast_node_delete *destroy;
+ int nodetype;
/* keep: if a node contains this node, 'keep'
* prevents its dtor from destroying this node as well.
*/
{
ast_expression_common expression;
int op;
- ast_value *dest; /* When we add pointers this might have to change to expression */
+ ast_expression *dest;
ast_expression *source;
};
ast_store* ast_store_new(lex_ctx ctx, int op,
- ast_value *d, ast_expression *s);
+ ast_expression *d, ast_expression *s);
void ast_store_delete(ast_store*);
bool ast_store_codegen(ast_store*, ast_function*, bool lvalue, ir_value**);