diff options
Diffstat (limited to 'src/check.c')
| -rw-r--r-- | src/check.c | 20 | 
1 files changed, 13 insertions, 7 deletions
| diff --git a/src/check.c b/src/check.c index 85e5459..0858c67 100644 --- a/src/check.c +++ b/src/check.c @@ -216,6 +216,12 @@ static int analyze_formal_def(struct state *state, struct scope *scope,  	if (analyze_type(scope, n))  		return -1; +	if (!concrete_type(n->t)) { +		semantic_error(scope, n, "illegal type for formal parameter: %s", +				type_str(n->t)); +		return -1; +	} +  	if (scope_add_formal(scope, n))  		return -1; @@ -653,7 +659,7 @@ static int analyze_proc_call(struct state *state, struct scope *scope,  	foreach_node(a, args) {  		if (a->t != formal->t) { -			semantic_error(scope, c, "expected %s, got %s", +			semantic_error(scope, a, "expected %s, got %s",  			               type_str(formal->t), type_str(a->t));  			return -1;  		} @@ -723,9 +729,9 @@ static int analyze_until(struct state *state, struct scope *scope,  	if (analyze(state, until_scope, cond))  		return -1; -	if (cond->t != TYPE_BOOL) { -		semantic_error(scope, cond, "expected %s, got %s", -		               type_str(TYPE_BOOL), type_str(cond->t)); +	if (cond->t != TYPE_BOOL && cond->t != TYPE_INT) { +		semantic_error(scope, cond, "expected truthy type, got %s", +		               type_str(cond->t));  		return -1;  	} @@ -749,9 +755,9 @@ static int analyze_unless(struct state *state, struct scope *scope,  	if (analyze(state, scope, cond))  		return -1; -	if (cond->t != TYPE_BOOL) { -		semantic_error(scope, cond, "expected %s, got %s", -		               type_str(TYPE_BOOL), type_str(cond->t)); +	if (cond->t != TYPE_BOOL && cond->t != TYPE_INT) { +		semantic_error(scope, cond, "expected truthy type, got %s", +		               type_str(cond->t));  		return -1;  	} | 
