build: separate compiler and libs

compiler/internal/runtime/z_error.go

@@ -0,0 +1,156 @@
+/*
+ * Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package runtime
+
+import (
+	"unsafe"
+
+	"github.com/goplus/llgo/c/bitcast"
+	"github.com/goplus/llgo/compiler/internal/abi"
+)
+
+type errorString string
+
+func (e errorString) RuntimeError() {}
+
+func (e errorString) Error() string {
+	return "runtime error: " + string(e)
+}
+
+type plainError string
+
+func (e plainError) Error() string {
+	return string(e)
+}
+
+func AssertRuntimeError(b bool, msg string) {
+	if b {
+		panic(errorString(msg).Error())
+	}
+}
+
+func AssertNegativeShift(b bool) {
+	if b {
+		panic(errorString("negative shift amount").Error())
+	}
+}
+
+func AssertIndexRange(b bool) {
+	if b {
+		panic(errorString("index out of range").Error())
+	}
+}
+
+// printany prints an argument passed to panic.
+// If panic is called with a value that has a String or Error method,
+// it has already been converted into a string by preprintpanics.
+func printany(i any) {
+	switch v := i.(type) {
+	case nil:
+		print("nil")
+	case bool:
+		print(v)
+	case int:
+		print(v)
+	case int8:
+		print(v)
+	case int16:
+		print(v)
+	case int32:
+		print(v)
+	case int64:
+		print(v)
+	case uint:
+		print(v)
+	case uint8:
+		print(v)
+	case uint16:
+		print(v)
+	case uint32:
+		print(v)
+	case uint64:
+		print(v)
+	case uintptr:
+		print(v)
+	case float32:
+		print(v)
+	case float64:
+		print(v)
+	case complex64:
+		print(v)
+	case complex128:
+		print(v)
+	case string:
+		print(v)
+	case error:
+		print(v.Error())
+	case interface{ String() string }:
+		print(v.String())
+	default:
+		printanycustomtype(i)
+	}
+}
+
+func efaceOf(ep *any) *eface {
+	return (*eface)(unsafe.Pointer(ep))
+}
+
+func printanycustomtype(i any) {
+	e := efaceOf(&i)
+	typestring := e._type.String()
+
+	switch e._type.Kind() {
+	case abi.String:
+		print(typestring, `("`, *(*string)(e.data), `")`)
+	case abi.Bool:
+		if isDirectIface(e._type) {
+			print(typestring, "(", uintptr(e.data) != 0, ")")
+		} else {
+			print(typestring, "(", *(*bool)(e.data), ")")
+		}
+	case abi.Int, abi.Int8, abi.Int16, abi.Int32, abi.Int64:
+		if isDirectIface(e._type) {
+			print(typestring, "(", int64(uintptr(e.data)), ")")
+		} else {
+			print(typestring, "(", *(*int64)(e.data), ")")
+		}
+	case abi.Uint, abi.Uint8, abi.Uint16, abi.Uint32, abi.Uint64, abi.Uintptr:
+		if isDirectIface(e._type) {
+			print(typestring, "(", uint64(uintptr(e.data)), ")")
+		} else {
+			print(typestring, "(", *(*uint64)(e.data), ")")
+		}
+	case abi.Float32:
+		if isDirectIface(e._type) {
+			print(typestring, "(", bitcast.ToFloat32((uintptr(e.data))), ")")
+		} else {
+			print(typestring, "(", *(*float32)(e.data), ")")
+		}
+	case abi.Float64:
+		if isDirectIface(e._type) {
+			print(typestring, "(", bitcast.ToFloat64(uintptr(e.data)), ")")
+		} else {
+			print(typestring, "(", *(*float64)(e.data), ")")
+		}
+	case abi.Complex64:
+		println(typestring, *(*complex64)(e.data))
+	case abi.Complex128:
+		println(typestring, *(*complex128)(e.data))
+	default:
+		print("(", typestring, ") ", e.data)
+	}
+}