// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/package_expr/syntax.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/package_expr/syntax.carbon

// --- global.carbon

package Global;

var x: i32 = 0;
var y: i32 = package.x;

// --- inside_fn.carbon

package InsideFn;

var x: i32 = 0;

fn Main() {
  var x: i32 = 1;

  var y: i32 = package.x;
}

// --- namespace.carbon

package Namespace;

namespace NS;

class NS.C {
  fn Foo() {}
};

fn Main() {
  package.NS.C.Foo();
}

// CHECK:STDOUT: --- global.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [template]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [template]
// CHECK:STDOUT:   %int_0.5c6: Core.IntLiteral = int_value 0 [template]
// CHECK:STDOUT:   %Convert.type.cd1: type = fn_type @Convert.1, @ImplicitAs(%i32) [template]
// CHECK:STDOUT:   %impl_witness.5b0: <witness> = impl_witness (imports.%import_ref.723), @impl.1(%int_32) [template]
// CHECK:STDOUT:   %Convert.type.466: type = fn_type @Convert.2, @impl.1(%int_32) [template]
// CHECK:STDOUT:   %Convert.925: %Convert.type.466 = struct_value () [template]
// CHECK:STDOUT:   %Convert.bound: <bound method> = bound_method %int_0.5c6, %Convert.925 [template]
// CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.bound, @Convert.2(%int_32) [template]
// CHECK:STDOUT:   %int_0.f61: %i32 = int_value 0 [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     .Int = %import_ref.187
// CHECK:STDOUT:     .ImplicitAs = %import_ref.a69
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .x = %x
// CHECK:STDOUT:     .y = %y
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %x.var: ref %i32 = var x
// CHECK:STDOUT:   %x: ref %i32 = bind_name x, %x.var
// CHECK:STDOUT:   %y.var: ref %i32 = var y
// CHECK:STDOUT:   %y: ref %i32 = bind_name y, %y.var
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %int_0: Core.IntLiteral = int_value 0 [template = constants.%int_0.5c6]
// CHECK:STDOUT:   %impl.elem0: %Convert.type.cd1 = impl_witness_access constants.%impl_witness.5b0, element0 [template = constants.%Convert.925]
// CHECK:STDOUT:   %Convert.bound: <bound method> = bound_method %int_0, %impl.elem0 [template = constants.%Convert.bound]
// CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.bound, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn]
// CHECK:STDOUT:   %int.convert_checked: init %i32 = call %Convert.specific_fn(%int_0) [template = constants.%int_0.f61]
// CHECK:STDOUT:   %.loc4: init %i32 = converted %int_0, %int.convert_checked [template = constants.%int_0.f61]
// CHECK:STDOUT:   assign file.%x.var, %.loc4
// CHECK:STDOUT:   %package.ref: <namespace> = name_ref package, package [template = package]
// CHECK:STDOUT:   %x.ref: ref %i32 = name_ref x, file.%x
// CHECK:STDOUT:   %.loc5: %i32 = bind_value %x.ref
// CHECK:STDOUT:   assign file.%y.var, %.loc5
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- inside_fn.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [template]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [template]
// CHECK:STDOUT:   %int_0.5c6: Core.IntLiteral = int_value 0 [template]
// CHECK:STDOUT:   %Convert.type.cd1: type = fn_type @Convert.1, @ImplicitAs(%i32) [template]
// CHECK:STDOUT:   %impl_witness.5b0: <witness> = impl_witness (imports.%import_ref.723), @impl.1(%int_32) [template]
// CHECK:STDOUT:   %Convert.type.466: type = fn_type @Convert.2, @impl.1(%int_32) [template]
// CHECK:STDOUT:   %Convert.925: %Convert.type.466 = struct_value () [template]
// CHECK:STDOUT:   %Convert.bound.b41: <bound method> = bound_method %int_0.5c6, %Convert.925 [template]
// CHECK:STDOUT:   %Convert.specific_fn.c35: <specific function> = specific_function %Convert.bound.b41, @Convert.2(%int_32) [template]
// CHECK:STDOUT:   %int_0.f61: %i32 = int_value 0 [template]
// CHECK:STDOUT:   %Main.type: type = fn_type @Main [template]
// CHECK:STDOUT:   %Main: %Main.type = struct_value () [template]
// CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [template]
// CHECK:STDOUT:   %Convert.bound.afd: <bound method> = bound_method %int_1.5b8, %Convert.925 [template]
// CHECK:STDOUT:   %Convert.specific_fn.b73: <specific function> = specific_function %Convert.bound.afd, @Convert.2(%int_32) [template]
// CHECK:STDOUT:   %int_1.c60: %i32 = int_value 1 [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     .Int = %import_ref.187
// CHECK:STDOUT:     .ImplicitAs = %import_ref.a69
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .x = %x
// CHECK:STDOUT:     .Main = %Main.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %x.var: ref %i32 = var x
// CHECK:STDOUT:   %x: ref %i32 = bind_name x, %x.var
// CHECK:STDOUT:   %Main.decl: %Main.type = fn_decl @Main [template = constants.%Main] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Main() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %x.var: ref %i32 = var x
// CHECK:STDOUT:   %x: ref %i32 = bind_name x, %x.var
// CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [template = constants.%int_1.5b8]
// CHECK:STDOUT:   %impl.elem0: %Convert.type.cd1 = impl_witness_access constants.%impl_witness.5b0, element0 [template = constants.%Convert.925]
// CHECK:STDOUT:   %Convert.bound: <bound method> = bound_method %int_1, %impl.elem0 [template = constants.%Convert.bound.afd]
// CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.bound, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.b73]
// CHECK:STDOUT:   %int.convert_checked: init %i32 = call %Convert.specific_fn(%int_1) [template = constants.%int_1.c60]
// CHECK:STDOUT:   %.loc7: init %i32 = converted %int_1, %int.convert_checked [template = constants.%int_1.c60]
// CHECK:STDOUT:   assign %x.var, %.loc7
// CHECK:STDOUT:   %y.var: ref %i32 = var y
// CHECK:STDOUT:   %y: ref %i32 = bind_name y, %y.var
// CHECK:STDOUT:   %package.ref: <namespace> = name_ref package, package [template = package]
// CHECK:STDOUT:   %x.ref: ref %i32 = name_ref x, file.%x
// CHECK:STDOUT:   %.loc9: %i32 = bind_value %x.ref
// CHECK:STDOUT:   assign %y.var, %.loc9
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %int_0: Core.IntLiteral = int_value 0 [template = constants.%int_0.5c6]
// CHECK:STDOUT:   %impl.elem0: %Convert.type.cd1 = impl_witness_access constants.%impl_witness.5b0, element0 [template = constants.%Convert.925]
// CHECK:STDOUT:   %Convert.bound: <bound method> = bound_method %int_0, %impl.elem0 [template = constants.%Convert.bound.b41]
// CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.bound, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.c35]
// CHECK:STDOUT:   %int.convert_checked: init %i32 = call %Convert.specific_fn(%int_0) [template = constants.%int_0.f61]
// CHECK:STDOUT:   %.loc4: init %i32 = converted %int_0, %int.convert_checked [template = constants.%int_0.f61]
// CHECK:STDOUT:   assign file.%x.var, %.loc4
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- namespace.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %C: type = class_type @C [template]
// CHECK:STDOUT:   %Foo.type: type = fn_type @Foo [template]
// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [template]
// CHECK:STDOUT:   %Foo: %Foo.type = struct_value () [template]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [template]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [template]
// CHECK:STDOUT:   %Main.type: type = fn_type @Main [template]
// CHECK:STDOUT:   %Main: %Main.type = struct_value () [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .NS = %NS
// CHECK:STDOUT:     .Main = %Main.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %NS: <namespace> = namespace [template] {
// CHECK:STDOUT:     .C = %C.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %C.decl: type = class_decl @C [template = constants.%C] {} {}
// CHECK:STDOUT:   %Main.decl: %Main.type = fn_decl @Main [template = constants.%Main] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// CHECK:STDOUT:   %Foo.decl: %Foo.type = fn_decl @Foo [template = constants.%Foo] {} {}
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [template = constants.%complete_type]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = constants.%C
// CHECK:STDOUT:   .Foo = %Foo.decl
// CHECK:STDOUT:   complete_type_witness = %complete_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Foo() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Main() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %package.ref: <namespace> = name_ref package, package [template = package]
// CHECK:STDOUT:   %NS.ref: <namespace> = name_ref NS, file.%NS [template = file.%NS]
// CHECK:STDOUT:   %C.ref: type = name_ref C, file.%C.decl [template = constants.%C]
// CHECK:STDOUT:   %Foo.ref: %Foo.type = name_ref Foo, @C.%Foo.decl [template = constants.%Foo]
// CHECK:STDOUT:   %Foo.call: init %empty_tuple.type = call %Foo.ref()
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT: