diff options
Diffstat (limited to 'src/lower.c')
| -rw-r--r-- | src/lower.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/lower.c b/src/lower.c index 35d16fe..4b9fae9 100644 --- a/src/lower.c +++ b/src/lower.c @@ -123,6 +123,11 @@ static int lower_type_construct(struct type *type) static int lower_type_callable(struct type *type) { + /* std::function has a slight overhead compared to just using auto here, + * but auto doesn't play well with recursive templates like with our + * fib.fwd example, so use std::function for now. Eventually I might + * instead write a C backend or something to have more control over the + * exact semantics, but for now this is good enough. */ printf("std::function<void("); if (lower_types(tcallable_args(type))) @@ -317,8 +322,10 @@ static int lower_if(struct state *state, struct ast *stmt) if (lower_block(state, if_body(stmt))) return -1; - if (!if_else(stmt)) + if (!if_else(stmt)) { + printf("\n"); return 0; + } printf(" else "); if (lower_block(state, if_else(stmt))) @@ -403,6 +410,11 @@ static int lower_closure(struct state *state, struct ast *closure) static int lower_proto(struct ast *proc) { + /* 'extern' functions should be provided to us by whatever framework the + * user is using */ + if (!proc_body(proc)) + return 0; + if (strcmp("main", proc_id(proc)) == 0) printf("int "); else @@ -419,6 +431,9 @@ static int lower_proto(struct ast *proc) static int lower_proc(struct ast *proc) { + if (!proc_body(proc)) + return 0; + if (strcmp("main", proc_id(proc)) == 0) printf("int "); else |