X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=src%2Ftypes%2Fnumber.c;h=5e62c62535e8297baaf33c9e2df3e76a2aa658fd;hb=ad2c22df5e451fffecc7b7ebdc9c5a4bb36e543e;hp=4cb1f0295153549f318f686d1822619afb9b342b;hpb=7fb50f31e25b1cc307ef59fb9cbfe71e4c2283c5;p=m6w6%2Fext-psi

diff --git a/src/types/number.c b/src/types/number.c
index 4cb1f02..5e62c62 100644
--- a/src/types/number.c
+++ b/src/types/number.c
@@ -74,6 +74,8 @@ struct psi_number *psi_number_init(token_t t, void *num, unsigned flags)
 		exp->data.ival.ldval = *(long double *) num;
 		break;
 #endif
+	case PSI_T_NULL:
+		break;
 	case PSI_T_QUOTED_CHAR:
 	case PSI_T_NUMBER:
 	case PSI_T_NSNAME:
@@ -86,6 +88,9 @@ struct psi_number *psi_number_init(token_t t, void *num, unsigned flags)
 	case PSI_T_FUNCTION:
 		exp->data.call = num;
 		break;
+	case PSI_T_SIZEOF:
+		exp->data.dtyp = num;
+		break;
 	default:
 		assert(0);
 	}
@@ -117,6 +122,7 @@ struct psi_number *psi_number_copy(struct psi_number *exp)
 #endif
 	case PSI_T_ENUM:
 	case PSI_T_CONST:
+	case PSI_T_NULL:
 		break;
 	case PSI_T_NUMBER:
 	case PSI_T_NSNAME:
@@ -130,6 +136,9 @@ struct psi_number *psi_number_copy(struct psi_number *exp)
 	case PSI_T_FUNCTION:
 		num->data.call = psi_cpp_macro_call_copy(num->data.call);
 		break;
+	case PSI_T_SIZEOF:
+		num->data.dtyp = psi_decl_type_copy(num->data.dtyp);
+		break;
 	default:
 		assert(0);
 	}
@@ -160,6 +169,7 @@ void psi_number_free(struct psi_number **exp_ptr)
 #endif
 		case PSI_T_ENUM:
 		case PSI_T_CONST:
+		case PSI_T_NULL:
 			break;
 		case PSI_T_FUNCTION:
 			psi_cpp_macro_call_free(&exp->data.call);
@@ -173,6 +183,9 @@ void psi_number_free(struct psi_number **exp_ptr)
 		case PSI_T_NAME:
 			psi_decl_var_free(&exp->data.dvar);
 			break;
+		case PSI_T_SIZEOF:
+			psi_decl_type_free(&exp->data.dtyp);
+			break;
 		default:
 			assert(0);
 		}
@@ -218,6 +231,9 @@ void psi_number_dump(int fd, struct psi_number *exp)
 		dprintf(fd, "%" PRIldval, exp->data.ival.ldval);
 		break;
 #endif
+	case PSI_T_NULL:
+		dprintf(fd, "NULL");
+		break;
 	case PSI_T_NUMBER:
 	case PSI_T_NSNAME:
 	case PSI_T_DEFINE:
@@ -236,6 +252,9 @@ void psi_number_dump(int fd, struct psi_number *exp)
 	case PSI_T_NAME:
 		psi_decl_var_dump(fd, exp->data.dvar);
 		break;
+	case PSI_T_SIZEOF:
+		psi_decl_type_dump(fd, exp->data.dtyp, 0);
+		break;
 	default:
 		assert(0);
 	}
@@ -439,6 +458,9 @@ bool psi_number_validate(struct psi_data *data, struct psi_number *exp,
 	struct psi_decl_enum *enm;
 
 	switch (exp->type) {
+	case PSI_T_NULL:
+		exp->type = PSI_T_UINT8;
+		/* no break */
 	case PSI_T_CONST:
 	case PSI_T_INT8:
 	case PSI_T_UINT8:
@@ -469,11 +491,12 @@ bool psi_number_validate(struct psi_data *data, struct psi_number *exp,
 		if (exp->data.dvar->arg) {
 			return true;
 		}
-		if (psi_decl_var_validate(data, exp->data.dvar, impl ? impl->decl : NULL,
-				current_let, current_set)) {
+		if (psi_decl_var_validate(data, exp->data.dvar, impl,
+				impl ? impl->decl : NULL, current_let, current_set)) {
 			return true;
 		}
-		if (cb_decl && psi_decl_var_validate(data, exp->data.dvar, cb_decl, NULL, NULL)) {
+		if (cb_decl && psi_decl_var_validate(data, exp->data.dvar,
+				NULL, cb_decl, NULL, NULL)) {
 			return true;
 		}
 		data->error(data, exp->token, PSI_WARNING,
@@ -481,6 +504,21 @@ bool psi_number_validate(struct psi_data *data, struct psi_number *exp,
 				exp->data.dvar->name);
 		return false;
 
+	case PSI_T_SIZEOF:
+		if (psi_decl_type_validate(data, exp->data.dtyp, 0, NULL)) {
+			struct psi_decl_type *dtyp = exp->data.dtyp;
+
+			exp->type = PSI_T_UINT64;
+			exp->data.ival.u64 = psi_decl_type_get_size(dtyp, NULL);
+			psi_decl_type_free(&dtyp);
+			return true;
+		} else {
+			data->error(data, exp->token, PSI_WARNING,
+					"Cannot compute sizeof(%s) (%u)",
+					exp->data.dtyp->name, exp->data.dtyp->type);
+		}
+		break;
+
 	case PSI_T_NSNAME:
 		while (psi_plist_get(data->consts, i++, &cnst)) {
 			if (!strcmp(cnst->name, exp->data.numb)) {
@@ -525,7 +563,7 @@ static inline token_t psi_number_eval_constant(struct psi_number *exp,
 		if (frame) PSI_DEBUG_PRINT(frame->context, " %" PRIdval, res->dval);
 		return PSI_T_DOUBLE;
 	default:
-		if (frame) PSI_DEBUG_PRINT(frame->context, " ?(t=%d)", exp->data.cnst->type->type);
+		if (frame) PSI_DEBUG_PRINT(frame->context, " ?(t=%u)", exp->data.cnst->type->type);
 		return 0;
 	}
 }
@@ -537,15 +575,27 @@ static inline token_t psi_number_eval_decl_var(struct psi_number *exp,
 	impl_val *ref;
 	struct psi_call_frame_symbol *sym;
 	struct psi_decl_type *real;
+	struct psi_decl_var *var;
 	size_t size;
 
-	real = psi_decl_type_get_real(exp->data.dvar->arg->type);
-	size = psi_decl_arg_get_size(exp->data.dvar->arg);
-	sym = psi_call_frame_fetch_symbol(frame, exp->data.dvar);
-	ref = deref_impl_val(sym->ptr, exp->data.dvar);
+	var = exp->data.dvar;
+	real = psi_decl_type_get_real(var->arg->type);
+	size = psi_decl_arg_get_size(var->arg);
+	sym = psi_call_frame_fetch_symbol(frame, var);
+	ref = deref_impl_val(sym->ptr, var);
 
 	memcpy(res, ref, size);
 
+	if (var->arg->var->pointer_level > var->pointer_level) {
+		switch (SIZEOF_VOID_P) {
+		case 4:
+			return PSI_T_INT32;
+		case 8:
+			return PSI_T_INT64;
+		default:
+			assert(0);
+		}
+	}
 	return real->type;
 }
 
@@ -613,6 +663,10 @@ token_t psi_number_eval(struct psi_number *exp, impl_val *res, struct psi_call_f
 		if (frame) PSI_DEBUG_PRINT(frame->context, " %" PRIi64, res->i64);
 		return PSI_T_INT64;
 
+	case PSI_T_NUMBER:
+		res->i64 = atol(exp->data.numb);
+		return PSI_T_INT64;
+
 	case PSI_T_CONST:
 		return psi_number_eval_constant(exp, res, frame);