// 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:   %Int32.type: type = fn_type @Int32 [template]
// CHECK:STDOUT:   %.1: type = tuple_type () [template]
// CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
// CHECK:STDOUT:   %.2: i32 = int_literal 0 [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = %Core
// CHECK:STDOUT:     .x = %x
// CHECK:STDOUT:     .y = %y
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT:   %import_ref.1: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
// CHECK:STDOUT:   %int.make_type_32.loc4: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT:   %.loc4_8.1: type = value_of_initializer %int.make_type_32.loc4 [template = i32]
// CHECK:STDOUT:   %.loc4_8.2: type = converted %int.make_type_32.loc4, %.loc4_8.1 [template = i32]
// CHECK:STDOUT:   %x.var: ref i32 = var x
// CHECK:STDOUT:   %x: ref i32 = bind_name x, %x.var
// CHECK:STDOUT:   %import_ref.2: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
// CHECK:STDOUT:   %int.make_type_32.loc5: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT:   %.loc5_8.1: type = value_of_initializer %int.make_type_32.loc5 [template = i32]
// CHECK:STDOUT:   %.loc5_8.2: type = converted %int.make_type_32.loc5, %.loc5_8.1 [template = i32]
// 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 @Int32() -> type = "int.make_type_32";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %.loc4: i32 = int_literal 0 [template = constants.%.2]
// 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:   %Int32.type: type = fn_type @Int32 [template]
// CHECK:STDOUT:   %.1: type = tuple_type () [template]
// CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
// CHECK:STDOUT:   %.2: i32 = int_literal 0 [template]
// CHECK:STDOUT:   %Main.type: type = fn_type @Main [template]
// CHECK:STDOUT:   %Main: %Main.type = struct_value () [template]
// CHECK:STDOUT:   %.3: i32 = int_literal 1 [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = %Core
// CHECK:STDOUT:     .x = %x
// CHECK:STDOUT:     .Main = %Main.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT:   %import_ref.1: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
// CHECK:STDOUT:   %int.make_type_32: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT:   %.loc4_8.1: type = value_of_initializer %int.make_type_32 [template = i32]
// CHECK:STDOUT:   %.loc4_8.2: type = converted %int.make_type_32, %.loc4_8.1 [template = i32]
// 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:   %import_ref.2: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
// CHECK:STDOUT:   %import_ref.3: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Main() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %int.make_type_32.loc7: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT:   %.loc7_10.1: type = value_of_initializer %int.make_type_32.loc7 [template = i32]
// CHECK:STDOUT:   %.loc7_10.2: type = converted %int.make_type_32.loc7, %.loc7_10.1 [template = i32]
// CHECK:STDOUT:   %x.var: ref i32 = var x
// CHECK:STDOUT:   %x: ref i32 = bind_name x, %x.var
// CHECK:STDOUT:   %.loc7_16: i32 = int_literal 1 [template = constants.%.3]
// CHECK:STDOUT:   assign %x.var, %.loc7_16
// CHECK:STDOUT:   %int.make_type_32.loc9: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT:   %.loc9_10.1: type = value_of_initializer %int.make_type_32.loc9 [template = i32]
// CHECK:STDOUT:   %.loc9_10.2: type = converted %int.make_type_32.loc9, %.loc9_10.1 [template = i32]
// 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_23: i32 = bind_value %x.ref
// CHECK:STDOUT:   assign %y.var, %.loc9_23
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %.loc4: i32 = int_literal 0 [template = constants.%.2]
// 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:   %.1: type = tuple_type () [template]
// CHECK:STDOUT:   %Foo: %Foo.type = struct_value () [template]
// CHECK:STDOUT:   %.2: type = 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: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = %Core
// CHECK:STDOUT:     .NS = %NS
// CHECK:STDOUT:     .Main = %Main.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core: <namespace> = namespace [template] {}
// 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:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = constants.%C
// CHECK:STDOUT:   .Foo = %Foo.decl
// 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 %.1 = call %Foo.ref()
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT: