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carbon-lang/explorer/testdata/trace/phase_all.carbon
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Prabhat SachdevaandJon Ross-Perkins 289d05813e Explorer: Remove PrintDepth and implement PrintIndent. (#3113) 
This PR removes `PrintDepth` from statement and declaration.
Implements `PrintIndent` for better indented formatting along with
various changes to make printing of statements and declarations better.

---------

Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
2023-08-25 17:17:39 +00:00

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// 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
package ExplorerTest api;
interface TestInterface {}
namespace N;
fn N.Foo(n: i32) -> i32 {
return n + 1;
}
fn Main() -> i32 {
var x: i32 = N.Foo(0);
return x;
}
// Place checks after code so that line numbers are stable, reducing merge
// conflicts.
// ARGS: --trace_file=- --trace_phase=all %s
// AUTOUPDATE
// CHECK:STDOUT: * * * * * * * * * * source program * * * * * * * * * *
// CHECK:STDOUT: --------------------------------------------------------
// CHECK:STDOUT: interface TestInterface {
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: namespace N;
// CHECK:STDOUT:
// CHECK:STDOUT: fn Foo (n: i32) -> i32
// CHECK:STDOUT: {
// CHECK:STDOUT: return (n + 1);
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn Main () -> i32
// CHECK:STDOUT: {
// CHECK:STDOUT: var x: i32 = N.Foo(0);
// CHECK:STDOUT: return x;
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT:
// CHECK:STDOUT: * * * * * * * * * * resolving names * * * * * * * * * *
// CHECK:STDOUT: ---------------------------------------------------------
// CHECK:STDOUT: ==> declared `TestInterface` as `interface TestInterface` in `package` (phase_all.carbon:7)
// CHECK:STDOUT: ==> declared `N` as `namespace N` in `package` (phase_all.carbon:9)
// CHECK:STDOUT: ==> resolved `N` as `namespace N` in `package` (phase_all.carbon:11)
// CHECK:STDOUT: ==> declared `Foo` as `fn N.Foo` in `namespace N` (phase_all.carbon:13)
// CHECK:STDOUT: ==> declared `Main` as `fn Main` in `package` (phase_all.carbon:18)
// CHECK:STDOUT: ->> resolving decl `interface TestInterface` (phase_all.carbon:7)
// CHECK:STDOUT: ==> marked `TestInterface` declared but not usable in `package`
// CHECK:STDOUT: ==> marked `TestInterface` usable in `package`
// CHECK:STDOUT: ==> declared `Self` as `Self` in `interface TestInterface` (phase_all.carbon:7)
// CHECK:STDOUT: <<- finished resolving decl `interface TestInterface` (phase_all.carbon:7)
// CHECK:STDOUT: ->> resolving decl `namespace N` (phase_all.carbon:9)
// CHECK:STDOUT: ==> marked `N` usable in `package`
// CHECK:STDOUT: <<- finished resolving decl `namespace N` (phase_all.carbon:9)
// CHECK:STDOUT: ->> resolving decl `fn N.Foo` (phase_all.carbon:13)
// CHECK:STDOUT: ==> resolved `N` as `namespace N` in `package` (phase_all.carbon:11)
// CHECK:STDOUT: ==> marked `Foo` declared but not usable in `namespace N`
// CHECK:STDOUT: ==> declared `n` as `n` in `fn N.Foo` (phase_all.carbon:11)
// CHECK:STDOUT: ==> marked `Foo` usable in `namespace N`
// CHECK:STDOUT: ->> resolving stmt `{ ... }` (phase_all.carbon:13)
// CHECK:STDOUT: ->> resolving stmt `return ...;` (phase_all.carbon:12)
// CHECK:STDOUT: ==> resolved `n` as `n` in `fn N.Foo` (phase_all.carbon:12)
// CHECK:STDOUT: <<- finished resolving stmt `return ...;` (phase_all.carbon:12)
// CHECK:STDOUT: <<- finished resolving stmt `{ ... }` (phase_all.carbon:13)
// CHECK:STDOUT: <<- finished resolving decl `fn N.Foo` (phase_all.carbon:13)
// CHECK:STDOUT: ->> resolving decl `fn Main` (phase_all.carbon:18)
// CHECK:STDOUT: ==> marked `Main` declared but not usable in `package`
// CHECK:STDOUT: ==> marked `Main` usable in `package`
// CHECK:STDOUT: ->> resolving stmt `{ ... }` (phase_all.carbon:18)
// CHECK:STDOUT: ->> resolving stmt `var ... = ...;` (phase_all.carbon:16)
// CHECK:STDOUT: ==> resolved `N` as `namespace N` in `package` (phase_all.carbon:16)
// CHECK:STDOUT: ==> resolved `Foo` as `fn N.Foo` in `namespace N` (phase_all.carbon:16)
// CHECK:STDOUT: ==> declared `x` as `x` in `{ ... }` (phase_all.carbon:16)
// CHECK:STDOUT: <<- finished resolving stmt `var ... = ...;` (phase_all.carbon:16)
// CHECK:STDOUT: ->> resolving stmt `return ...;` (phase_all.carbon:17)
// CHECK:STDOUT: ==> resolved `x` as `x` in `{ ... }` (phase_all.carbon:17)
// CHECK:STDOUT: <<- finished resolving stmt `return ...;` (phase_all.carbon:17)
// CHECK:STDOUT: <<- finished resolving stmt `{ ... }` (phase_all.carbon:18)
// CHECK:STDOUT: <<- finished resolving decl `fn Main` (phase_all.carbon:18)
// CHECK:STDOUT: ==> resolved `Main` as `fn Main` in `package` (<Main()>:0)
// CHECK:STDOUT:
// CHECK:STDOUT:
// CHECK:STDOUT: * * * * * * * * * * resolving control flow * * * * * * * * * *
// CHECK:STDOUT: ----------------------------------------------------------------
// CHECK:STDOUT: ==> flow-resolved return statement `return (n + 1);` in `fn N.Foo` (phase_all.carbon:12)
// CHECK:STDOUT: ==> flow-resolved return statement `return x;` in `fn Main` (phase_all.carbon:17)
// CHECK:STDOUT:
// CHECK:STDOUT:
// CHECK:STDOUT: * * * * * * * * * * type checking * * * * * * * * * *
// CHECK:STDOUT: -------------------------------------------------------
// CHECK:STDOUT:
// CHECK:STDOUT: *** declaration at (phase_all.carbon:7)
// CHECK:STDOUT: ```
// CHECK:STDOUT: interface TestInterface {
// CHECK:STDOUT: }
// CHECK:STDOUT: ```
// CHECK:STDOUT: ->> declaring `interface TestInterface` (phase_all.carbon:7)
// CHECK:STDOUT: <<- finished declaring `interface TestInterface` (phase_all.carbon:7)
// CHECK:STDOUT:
// CHECK:STDOUT: *** type checking declaration at (phase_all.carbon:7)
// CHECK:STDOUT: ```
// CHECK:STDOUT: interface TestInterface {
// CHECK:STDOUT: }
// CHECK:STDOUT: ```
// CHECK:STDOUT: ->> checking InterfaceDeclaration `interface TestInterface` (phase_all.carbon:7)
// CHECK:STDOUT: ->> checking `interface TestInterface` (phase_all.carbon:7)
// CHECK:STDOUT: ==> impl declarations for `interface TestInterface` (phase_all.carbon:7)
// CHECK:STDOUT: []
// CHECK:STDOUT: [`bool` as `interface EqWith(U = bool)`,
// CHECK:STDOUT: `i32` as `interface EqWith(U = i32)`,
// CHECK:STDOUT: `String` as `interface EqWith(U = String)`,
// CHECK:STDOUT: `i32` as `interface CompareWith(U = i32)`,
// CHECK:STDOUT: `String` as `interface CompareWith(U = String)`,
// CHECK:STDOUT: `i32` as `interface LessWith(U = i32)`,
// CHECK:STDOUT: `String` as `interface LessWith(U = String)`,
// CHECK:STDOUT: `i32` as `interface LessEqWith(U = i32)`,
// CHECK:STDOUT: `String` as `interface LessEqWith(U = String)`,
// CHECK:STDOUT: `i32` as `interface GreaterWith(U = i32)`,
// CHECK:STDOUT: `String` as `interface GreaterWith(U = String)`,
// CHECK:STDOUT: `i32` as `interface GreaterEqWith(U = i32)`,
// CHECK:STDOUT: `String` as `interface GreaterEqWith(U = String)`,
// CHECK:STDOUT: `i32` as `interface Negate`,
// CHECK:STDOUT: `i32` as `interface AddWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface SubWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface MulWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface DivWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface ModWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface BitComplement`,
// CHECK:STDOUT: `i32` as `interface BitAndWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface BitOrWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface BitXorWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface LeftShiftWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface RightShiftWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface Inc`,
// CHECK:STDOUT: `i32` as `interface Dec`,
// CHECK:STDOUT: `U` as `interface __EqualConverter` [0],
// CHECK:STDOUT: `(T1,)` as `interface As(T = (U1,))` [0, 0, 0; 1, 1, 0, 0, 0],
// CHECK:STDOUT: `(T1, T2)` as `interface As(T = (U1, U2))` [0, 0, 0; 0, 0, 1; 1, 1, 0, 0, 0; 1, 1, 0, 0, 1],
// CHECK:STDOUT: `(T1, U1)` as `interface EqWith(U = (T2, U2))` [0, 0, 0; 0, 0, 1; 1, 1, 0, 0, 0; 1, 1, 0, 0, 1],
// CHECK:STDOUT: `(T1, T2, T3)` as `interface As(T = (U1, U2, U3))` [0, 0, 0; 0, 0, 1; 0, 0, 2; 1, 1, 0, 0, 0; 1, 1, 0, 0, 1; 1, 1, 0, 0, 2],
// CHECK:STDOUT: `T` as `interface ImplicitAs(T = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface As(T = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface ImplicitAs(T = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface As(T = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface AssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface AddAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface SubAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface MulAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface DivAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface ModAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface BitAndAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface BitOrAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface BitXorAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface LeftShiftAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface RightShiftAssignWith(U = U)` [0; 1, 1, 0]]
// CHECK:STDOUT: <<- finished checking `interface TestInterface` (phase_all.carbon:7)
// CHECK:STDOUT:
// CHECK:STDOUT: *** declaration at (phase_all.carbon:9)
// CHECK:STDOUT: ```
// CHECK:STDOUT: namespace N;
// CHECK:STDOUT: ```
// CHECK:STDOUT:
// CHECK:STDOUT: *** type checking declaration at (phase_all.carbon:9)
// CHECK:STDOUT: ```
// CHECK:STDOUT: namespace N;
// CHECK:STDOUT: ```
// CHECK:STDOUT: ->> checking NamespaceDeclaration `namespace N` (phase_all.carbon:9)
// CHECK:STDOUT:
// CHECK:STDOUT: *** declaration at (phase_all.carbon:13)
// CHECK:STDOUT: ```
// CHECK:STDOUT: fn Foo (n: i32) -> i32
// CHECK:STDOUT: {
// CHECK:STDOUT: return (n + 1);
// CHECK:STDOUT: }
// CHECK:STDOUT: ```
// CHECK:STDOUT: ->> declaring function `Foo` (phase_all.carbon:13)
// CHECK:STDOUT: ->> checking TuplePattern `(n: i32)` (phase_all.carbon:11)
// CHECK:STDOUT: ->> checking BindingPattern `n: i32` (phase_all.carbon:11)
// CHECK:STDOUT: ->> checking ExpressionPattern `i32` (phase_all.carbon:11)
// CHECK:STDOUT: ->> checking IntTypeLiteral `i32` (phase_all.carbon:11)
// CHECK:STDOUT: >[] stack-push: ValueExpressionAction pos: 0 `i32` (phase_all.carbon:11)
// CHECK:STDOUT: ->> step ValueExpressionAction pos: 0 `i32` (phase_all.carbon:11) --->
// CHECK:STDOUT: >[] stack-push: ExpressionAction pos: 0 `i32` (phase_all.carbon:11)
// CHECK:STDOUT: ->> step ExpressionAction pos: 0 `i32` (phase_all.carbon:11) --->
// CHECK:STDOUT: <[] stack-pop: ExpressionAction pos: 0 `i32` (phase_all.carbon:11)
// CHECK:STDOUT: ->> step ValueExpressionAction pos: 1 `i32` results: [`i32`] (phase_all.carbon:11) --->
// CHECK:STDOUT: <[] stack-pop: ValueExpressionAction pos: 1 `i32` results: [`i32`] (phase_all.carbon:11)
// CHECK:STDOUT: ->> finished checking tuple pattern field `n: i32` (phase_all.carbon:11)
// CHECK:STDOUT: ->> checking IntTypeLiteral `i32` (phase_all.carbon:11)
// CHECK:STDOUT: >[] stack-push: ValueExpressionAction pos: 0 `i32` (phase_all.carbon:11)
// CHECK:STDOUT: ->> step ValueExpressionAction pos: 0 `i32` (phase_all.carbon:11) --->
// CHECK:STDOUT: >[] stack-push: ExpressionAction pos: 0 `i32` (phase_all.carbon:11)
// CHECK:STDOUT: ->> step ExpressionAction pos: 0 `i32` (phase_all.carbon:11) --->
// CHECK:STDOUT: <[] stack-pop: ExpressionAction pos: 0 `i32` (phase_all.carbon:11)
// CHECK:STDOUT: ->> step ValueExpressionAction pos: 1 `i32` results: [`i32`] (phase_all.carbon:11) --->
// CHECK:STDOUT: <[] stack-pop: ValueExpressionAction pos: 1 `i32` results: [`i32`] (phase_all.carbon:11)
// CHECK:STDOUT: ->> finished declaring function `Foo` of type `fn (i32,) -> i32` (phase_all.carbon:13)
// CHECK:STDOUT:
// CHECK:STDOUT: *** type checking declaration at (phase_all.carbon:13)
// CHECK:STDOUT: ```
// CHECK:STDOUT: fn Foo (n: i32) -> i32
// CHECK:STDOUT: {
// CHECK:STDOUT: return (n + 1);
// CHECK:STDOUT: }
// CHECK:STDOUT: ```
// CHECK:STDOUT: ->> checking FunctionDeclaration `fn N.Foo` (phase_all.carbon:13)
// CHECK:STDOUT: ->> checking function `Foo` (phase_all.carbon:13)
// CHECK:STDOUT: ==> impl declarations for `fn N.Foo` (phase_all.carbon:13)
// CHECK:STDOUT: []
// CHECK:STDOUT: [`bool` as `interface EqWith(U = bool)`,
// CHECK:STDOUT: `i32` as `interface EqWith(U = i32)`,
// CHECK:STDOUT: `String` as `interface EqWith(U = String)`,
// CHECK:STDOUT: `i32` as `interface CompareWith(U = i32)`,
// CHECK:STDOUT: `String` as `interface CompareWith(U = String)`,
// CHECK:STDOUT: `i32` as `interface LessWith(U = i32)`,
// CHECK:STDOUT: `String` as `interface LessWith(U = String)`,
// CHECK:STDOUT: `i32` as `interface LessEqWith(U = i32)`,
// CHECK:STDOUT: `String` as `interface LessEqWith(U = String)`,
// CHECK:STDOUT: `i32` as `interface GreaterWith(U = i32)`,
// CHECK:STDOUT: `String` as `interface GreaterWith(U = String)`,
// CHECK:STDOUT: `i32` as `interface GreaterEqWith(U = i32)`,
// CHECK:STDOUT: `String` as `interface GreaterEqWith(U = String)`,
// CHECK:STDOUT: `i32` as `interface Negate`,
// CHECK:STDOUT: `i32` as `interface AddWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface SubWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface MulWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface DivWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface ModWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface BitComplement`,
// CHECK:STDOUT: `i32` as `interface BitAndWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface BitOrWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface BitXorWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface LeftShiftWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface RightShiftWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface Inc`,
// CHECK:STDOUT: `i32` as `interface Dec`,
// CHECK:STDOUT: `U` as `interface __EqualConverter` [0],
// CHECK:STDOUT: `(T1,)` as `interface As(T = (U1,))` [0, 0, 0; 1, 1, 0, 0, 0],
// CHECK:STDOUT: `(T1, T2)` as `interface As(T = (U1, U2))` [0, 0, 0; 0, 0, 1; 1, 1, 0, 0, 0; 1, 1, 0, 0, 1],
// CHECK:STDOUT: `(T1, U1)` as `interface EqWith(U = (T2, U2))` [0, 0, 0; 0, 0, 1; 1, 1, 0, 0, 0; 1, 1, 0, 0, 1],
// CHECK:STDOUT: `(T1, T2, T3)` as `interface As(T = (U1, U2, U3))` [0, 0, 0; 0, 0, 1; 0, 0, 2; 1, 1, 0, 0, 0; 1, 1, 0, 0, 1; 1, 1, 0, 0, 2],
// CHECK:STDOUT: `T` as `interface ImplicitAs(T = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface As(T = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface ImplicitAs(T = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface As(T = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface AssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface AddAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface SubAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface MulAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface DivAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface ModAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface BitAndAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface BitOrAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface BitXorAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface LeftShiftAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface RightShiftAssignWith(U = U)` [0; 1, 1, 0]]
// CHECK:STDOUT:
// CHECK:STDOUT: *** type checking stmt at (phase_all.carbon:13)
// CHECK:STDOUT: ```
// CHECK:STDOUT: {
// CHECK:STDOUT: return (n + 1);
// CHECK:STDOUT: }
// CHECK:STDOUT: ```
// CHECK:STDOUT: ->> checking Block `{ ... }` (phase_all.carbon:13)
// CHECK:STDOUT:
// CHECK:STDOUT: *** type checking stmt at (phase_all.carbon:12)
// CHECK:STDOUT: ```
// CHECK:STDOUT: return (n + 1);
// CHECK:STDOUT: ```
// CHECK:STDOUT: ->> checking ReturnExpression `return ...;` (phase_all.carbon:12)
// CHECK:STDOUT: ->> checking OperatorExpression `(n + 1)` (phase_all.carbon:12)
// CHECK:STDOUT: ->> checking IdentifierExpression `n` (phase_all.carbon:12)
// CHECK:STDOUT: ->> checking IntLiteral `1` (phase_all.carbon:12)
// CHECK:STDOUT: ->> finished checking function `Foo` (phase_all.carbon:13)
// CHECK:STDOUT:
// CHECK:STDOUT: *** declaration at (phase_all.carbon:18)
// CHECK:STDOUT: ```
// CHECK:STDOUT: fn Main () -> i32
// CHECK:STDOUT: {
// CHECK:STDOUT: var x: i32 = N.Foo(0);
// CHECK:STDOUT: return x;
// CHECK:STDOUT: }
// CHECK:STDOUT: ```
// CHECK:STDOUT: ->> declaring function `Main` (phase_all.carbon:18)
// CHECK:STDOUT: ->> checking TuplePattern `()` (phase_all.carbon:15)
// CHECK:STDOUT: ->> checking IntTypeLiteral `i32` (phase_all.carbon:15)
// CHECK:STDOUT: >[] stack-push: ValueExpressionAction pos: 0 `i32` (phase_all.carbon:15)
// CHECK:STDOUT: ->> step ValueExpressionAction pos: 0 `i32` (phase_all.carbon:15) --->
// CHECK:STDOUT: >[] stack-push: ExpressionAction pos: 0 `i32` (phase_all.carbon:15)
// CHECK:STDOUT: ->> step ExpressionAction pos: 0 `i32` (phase_all.carbon:15) --->
// CHECK:STDOUT: <[] stack-pop: ExpressionAction pos: 0 `i32` (phase_all.carbon:15)
// CHECK:STDOUT: ->> step ValueExpressionAction pos: 1 `i32` results: [`i32`] (phase_all.carbon:15) --->
// CHECK:STDOUT: <[] stack-pop: ValueExpressionAction pos: 1 `i32` results: [`i32`] (phase_all.carbon:15)
// CHECK:STDOUT: ->> finished declaring function `Main` of type `fn () -> i32` (phase_all.carbon:18)
// CHECK:STDOUT:
// CHECK:STDOUT: *** type checking declaration at (phase_all.carbon:18)
// CHECK:STDOUT: ```
// CHECK:STDOUT: fn Main () -> i32
// CHECK:STDOUT: {
// CHECK:STDOUT: var x: i32 = N.Foo(0);
// CHECK:STDOUT: return x;
// CHECK:STDOUT: }
// CHECK:STDOUT: ```
// CHECK:STDOUT: ->> checking FunctionDeclaration `fn Main` (phase_all.carbon:18)
// CHECK:STDOUT: ->> checking function `Main` (phase_all.carbon:18)
// CHECK:STDOUT: ==> impl declarations for `fn Main` (phase_all.carbon:18)
// CHECK:STDOUT: []
// CHECK:STDOUT: [`bool` as `interface EqWith(U = bool)`,
// CHECK:STDOUT: `i32` as `interface EqWith(U = i32)`,
// CHECK:STDOUT: `String` as `interface EqWith(U = String)`,
// CHECK:STDOUT: `i32` as `interface CompareWith(U = i32)`,
// CHECK:STDOUT: `String` as `interface CompareWith(U = String)`,
// CHECK:STDOUT: `i32` as `interface LessWith(U = i32)`,
// CHECK:STDOUT: `String` as `interface LessWith(U = String)`,
// CHECK:STDOUT: `i32` as `interface LessEqWith(U = i32)`,
// CHECK:STDOUT: `String` as `interface LessEqWith(U = String)`,
// CHECK:STDOUT: `i32` as `interface GreaterWith(U = i32)`,
// CHECK:STDOUT: `String` as `interface GreaterWith(U = String)`,
// CHECK:STDOUT: `i32` as `interface GreaterEqWith(U = i32)`,
// CHECK:STDOUT: `String` as `interface GreaterEqWith(U = String)`,
// CHECK:STDOUT: `i32` as `interface Negate`,
// CHECK:STDOUT: `i32` as `interface AddWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface SubWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface MulWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface DivWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface ModWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface BitComplement`,
// CHECK:STDOUT: `i32` as `interface BitAndWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface BitOrWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface BitXorWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface LeftShiftWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface RightShiftWith(U = i32)`,
// CHECK:STDOUT: `i32` as `interface Inc`,
// CHECK:STDOUT: `i32` as `interface Dec`,
// CHECK:STDOUT: `U` as `interface __EqualConverter` [0],
// CHECK:STDOUT: `(T1,)` as `interface As(T = (U1,))` [0, 0, 0; 1, 1, 0, 0, 0],
// CHECK:STDOUT: `(T1, T2)` as `interface As(T = (U1, U2))` [0, 0, 0; 0, 0, 1; 1, 1, 0, 0, 0; 1, 1, 0, 0, 1],
// CHECK:STDOUT: `(T1, U1)` as `interface EqWith(U = (T2, U2))` [0, 0, 0; 0, 0, 1; 1, 1, 0, 0, 0; 1, 1, 0, 0, 1],
// CHECK:STDOUT: `(T1, T2, T3)` as `interface As(T = (U1, U2, U3))` [0, 0, 0; 0, 0, 1; 0, 0, 2; 1, 1, 0, 0, 0; 1, 1, 0, 0, 1; 1, 1, 0, 0, 2],
// CHECK:STDOUT: `T` as `interface ImplicitAs(T = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface As(T = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface ImplicitAs(T = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface As(T = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface AssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface AddAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface SubAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface MulAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface DivAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface ModAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface BitAndAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface BitOrAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface BitXorAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface LeftShiftAssignWith(U = U)` [0; 1, 1, 0],
// CHECK:STDOUT: `T` as `interface RightShiftAssignWith(U = U)` [0; 1, 1, 0]]
// CHECK:STDOUT:
// CHECK:STDOUT: *** type checking stmt at (phase_all.carbon:18)
// CHECK:STDOUT: ```
// CHECK:STDOUT: {
// CHECK:STDOUT: var x: i32 = N.Foo(0);
// CHECK:STDOUT: return x;
// CHECK:STDOUT: }
// CHECK:STDOUT: ```
// CHECK:STDOUT: ->> checking Block `{ ... }` (phase_all.carbon:18)
// CHECK:STDOUT:
// CHECK:STDOUT: *** type checking stmt at (phase_all.carbon:16)
// CHECK:STDOUT: ```
// CHECK:STDOUT: var x: i32 = N.Foo(0);
// CHECK:STDOUT: ```
// CHECK:STDOUT: ->> checking VariableDefinition `var ... = ...;` (phase_all.carbon:16)
// CHECK:STDOUT: ->> checking CallExpression `N.Foo(0)` (phase_all.carbon:16)
// CHECK:STDOUT: ->> checking SimpleMemberAccessExpression `N.Foo` (phase_all.carbon:16)
// CHECK:STDOUT: ->> checking IdentifierExpression `Foo` (phase_all.carbon:16)
// CHECK:STDOUT: ->> checking TupleLiteral `(0)` (phase_all.carbon:16)
// CHECK:STDOUT: ->> checking IntLiteral `0` (phase_all.carbon:16)
// CHECK:STDOUT: ->> checking call to function of type `fn (i32,) -> i32` with arguments of type `(i32,)` (phase_all.carbon:16)
// CHECK:STDOUT: ->> performing argument deduction for bindings: []
// CHECK:STDOUT: ->> deducing `i32` from `i32`
// CHECK:STDOUT: ==> deduction succeeded with results: []
// CHECK:STDOUT: ->> checking BindingPattern `x: i32`, expecting `i32` (phase_all.carbon:16)
// CHECK:STDOUT: ->> checking ExpressionPattern `i32`, expecting `i32` (phase_all.carbon:16)
// CHECK:STDOUT: ->> checking IntTypeLiteral `i32` (phase_all.carbon:16)
// CHECK:STDOUT: >[] stack-push: ValueExpressionAction pos: 0 `i32` (phase_all.carbon:16)
// CHECK:STDOUT: ->> step ValueExpressionAction pos: 0 `i32` (phase_all.carbon:16) --->
// CHECK:STDOUT: >[] stack-push: ExpressionAction pos: 0 `i32` (phase_all.carbon:16)
// CHECK:STDOUT: ->> step ExpressionAction pos: 0 `i32` (phase_all.carbon:16) --->
// CHECK:STDOUT: <[] stack-pop: ExpressionAction pos: 0 `i32` (phase_all.carbon:16)
// CHECK:STDOUT: ->> step ValueExpressionAction pos: 1 `i32` results: [`i32`] (phase_all.carbon:16) --->
// CHECK:STDOUT: <[] stack-pop: ValueExpressionAction pos: 1 `i32` results: [`i32`] (phase_all.carbon:16)
// CHECK:STDOUT:
// CHECK:STDOUT: *** type checking stmt at (phase_all.carbon:17)
// CHECK:STDOUT: ```
// CHECK:STDOUT: return x;
// CHECK:STDOUT: ```
// CHECK:STDOUT: ->> checking ReturnExpression `return ...;` (phase_all.carbon:17)
// CHECK:STDOUT: ->> checking IdentifierExpression `x` (phase_all.carbon:17)
// CHECK:STDOUT: ->> finished checking function `Main` (phase_all.carbon:18)
// CHECK:STDOUT: ->> checking CallExpression `Main()` (<Main()>:0)
// CHECK:STDOUT: ->> checking IdentifierExpression `Main` (<Main()>:0)
// CHECK:STDOUT: ->> checking TupleLiteral `()` (<Main()>:0)
// CHECK:STDOUT: ->> checking call to function of type `fn () -> i32` with arguments of type `()` (<Main()>:0)
// CHECK:STDOUT: ->> performing argument deduction for bindings: []
// CHECK:STDOUT: ==> deduction succeeded with results: []
// CHECK:STDOUT:
// CHECK:STDOUT:
// CHECK:STDOUT: * * * * * * * * * * resolving unformed variables * * * * * * * * * *
// CHECK:STDOUT: ----------------------------------------------------------------------
// CHECK:STDOUT: ->> resolving-unformed in decl `interface TestInterface` (phase_all.carbon:7)
// CHECK:STDOUT: ->> resolving-unformed in decl `namespace N` (phase_all.carbon:9)
// CHECK:STDOUT: ->> resolving-unformed in decl `fn N.Foo` (phase_all.carbon:13)
// CHECK:STDOUT: ->> resolving-unformed in stmt `{ ... }` (phase_all.carbon:13)
// CHECK:STDOUT: ->> resolving-unformed in stmt `return ...;` (phase_all.carbon:12)
// CHECK:STDOUT: ==> check `n` (phase_all.carbon:12)
// CHECK:STDOUT: ->> resolving-unformed in decl `fn Main` (phase_all.carbon:18)
// CHECK:STDOUT: ->> resolving-unformed in stmt `{ ... }` (phase_all.carbon:18)
// CHECK:STDOUT: ->> resolving-unformed in stmt `var ... = ...;` (phase_all.carbon:16)
// CHECK:STDOUT: ==> add init `x` (phase_all.carbon:16)
// CHECK:STDOUT: ->> resolving-unformed in stmt `return ...;` (phase_all.carbon:17)
// CHECK:STDOUT: ==> check `x` (phase_all.carbon:17)
// CHECK:STDOUT:
// CHECK:STDOUT:
// CHECK:STDOUT: * * * * * * * * * * printing declarations * * * * * * * * * *
// CHECK:STDOUT: ---------------------------------------------------------------
// CHECK:STDOUT: interface TestInterface {
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: namespace N;
// CHECK:STDOUT:
// CHECK:STDOUT: fn Foo (n: i32) -> i32
// CHECK:STDOUT: {
// CHECK:STDOUT: return (n + 1);
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn Main () -> i32
// CHECK:STDOUT: {
// CHECK:STDOUT: var x: i32 = N.Foo(0);
// CHECK:STDOUT: return x;
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT:
// CHECK:STDOUT: * * * * * * * * * * starting execution * * * * * * * * * *
// CHECK:STDOUT: ------------------------------------------------------------
// CHECK:STDOUT:
// CHECK:STDOUT: - - - - - initializing globals - - - - -
// CHECK:STDOUT: ------------------------------------------
// CHECK:STDOUT: >[] stack-push: DeclarationAction pos: 0 `interface TestInterface` (phase_all.carbon:7)
// CHECK:STDOUT: ->> step DeclarationAction pos: 0 `interface TestInterface` (phase_all.carbon:7) --->
// CHECK:STDOUT:
// CHECK:STDOUT: *** declaration at (phase_all.carbon:7)
// CHECK:STDOUT: ```
// CHECK:STDOUT: interface TestInterface {
// CHECK:STDOUT: }
// CHECK:STDOUT: ```
// CHECK:STDOUT: <[] stack-pop: DeclarationAction pos: 0 `interface TestInterface` (phase_all.carbon:7)
// CHECK:STDOUT: >[] stack-push: DeclarationAction pos: 0 `namespace N` (phase_all.carbon:9)
// CHECK:STDOUT: ->> step DeclarationAction pos: 0 `namespace N` (phase_all.carbon:9) --->
// CHECK:STDOUT:
// CHECK:STDOUT: *** declaration at (phase_all.carbon:9)
// CHECK:STDOUT: ```
// CHECK:STDOUT: namespace N;
// CHECK:STDOUT: ```
// CHECK:STDOUT: <[] stack-pop: DeclarationAction pos: 0 `namespace N` (phase_all.carbon:9)
// CHECK:STDOUT: >[] stack-push: DeclarationAction pos: 0 `fn N.Foo` (phase_all.carbon:13)
// CHECK:STDOUT: ->> step DeclarationAction pos: 0 `fn N.Foo` (phase_all.carbon:13) --->
// CHECK:STDOUT:
// CHECK:STDOUT: *** declaration at (phase_all.carbon:13)
// CHECK:STDOUT: ```
// CHECK:STDOUT: fn Foo (n: i32) -> i32
// CHECK:STDOUT: {
// CHECK:STDOUT: return (n + 1);
// CHECK:STDOUT: }
// CHECK:STDOUT: ```
// CHECK:STDOUT: <[] stack-pop: DeclarationAction pos: 0 `fn N.Foo` (phase_all.carbon:13)
// CHECK:STDOUT: >[] stack-push: DeclarationAction pos: 0 `fn Main` (phase_all.carbon:18)
// CHECK:STDOUT: ->> step DeclarationAction pos: 0 `fn Main` (phase_all.carbon:18) --->
// CHECK:STDOUT:
// CHECK:STDOUT: *** declaration at (phase_all.carbon:18)
// CHECK:STDOUT: ```
// CHECK:STDOUT: fn Main () -> i32
// CHECK:STDOUT: {
// CHECK:STDOUT: var x: i32 = N.Foo(0);
// CHECK:STDOUT: return x;
// CHECK:STDOUT: }
// CHECK:STDOUT: ```
// CHECK:STDOUT: <[] stack-pop: DeclarationAction pos: 0 `fn Main` (phase_all.carbon:18)
// CHECK:STDOUT:
// CHECK:STDOUT: - - - - - calling main function - - - - -
// CHECK:STDOUT: -------------------------------------------
// CHECK:STDOUT: >[] stack-push: ValueExpressionAction pos: 0 `Main()` (<Main()>:0)
// CHECK:STDOUT: ->> step ValueExpressionAction pos: 0 `Main()` (<Main()>:0) --->
// CHECK:STDOUT: >[] stack-push: ExpressionAction pos: 0 `Main()` (<Main()>:0)
// CHECK:STDOUT: ->> step ExpressionAction pos: 0 `Main()` (<Main()>:0) --->
// CHECK:STDOUT: >[] stack-push: ValueExpressionAction pos: 0 `Main` (<Main()>:0)
// CHECK:STDOUT: ->> step ValueExpressionAction pos: 0 `Main` (<Main()>:0) --->
// CHECK:STDOUT: >[] stack-push: ExpressionAction pos: 0 `Main` (<Main()>:0)
// CHECK:STDOUT: ->> step ExpressionAction pos: 0 `Main` (<Main()>:0) --->
// CHECK:STDOUT: <[] stack-pop: ExpressionAction pos: 0 `Main` (<Main()>:0)
// CHECK:STDOUT: ->> step ValueExpressionAction pos: 1 `Main` results: [`fun<Main>`] (<Main()>:0) --->
// CHECK:STDOUT: <[] stack-pop: ValueExpressionAction pos: 1 `Main` results: [`fun<Main>`] (<Main()>:0)
// CHECK:STDOUT: ->> step ExpressionAction pos: 1 `Main()` results: [`fun<Main>`] scope: [] (<Main()>:0) --->
// CHECK:STDOUT: -() calling function: fun<Main>
// CHECK:STDOUT: === match pattern `()`
// CHECK:STDOUT: from value expression with value `()`
// CHECK:STDOUT: >[] stack-push: ScopeAction pos: 0 scope: [] (None)
// CHECK:STDOUT: >[] stack-push: StatementAction pos: 0 `{ ... }` (phase_all.carbon:18)
// CHECK:STDOUT: ->> step StatementAction pos: 0 `{ ... }` (phase_all.carbon:18) --->
// CHECK:STDOUT:
// CHECK:STDOUT: *** statement at (phase_all.carbon:18)
// CHECK:STDOUT: ```
// CHECK:STDOUT: {
// CHECK:STDOUT: var x: i32 = N.Foo(0);
// CHECK:STDOUT: return x;
// CHECK:STDOUT: }
// CHECK:STDOUT: ```
// CHECK:STDOUT: >[] stack-push: StatementAction pos: 0 `var ... = ...;` (phase_all.carbon:16)
// CHECK:STDOUT: ->> step StatementAction pos: 0 `var ... = ...;` (phase_all.carbon:16) --->
// CHECK:STDOUT:
// CHECK:STDOUT: *** statement at (phase_all.carbon:16)
// CHECK:STDOUT: ```
// CHECK:STDOUT: var x: i32 = N.Foo(0);
// CHECK:STDOUT: ```
// CHECK:STDOUT: ++# memory-alloc: #1 `Uninit<i32>` uninitialized
// CHECK:STDOUT: >[] stack-push: ExpressionAction pos: 0 `N.Foo(0)` (phase_all.carbon:16)
// CHECK:STDOUT: ->> step ExpressionAction pos: 0 `N.Foo(0)` (phase_all.carbon:16) --->
// CHECK:STDOUT: >[] stack-push: ValueExpressionAction pos: 0 `N.Foo` (phase_all.carbon:16)
// CHECK:STDOUT: ->> step ValueExpressionAction pos: 0 `N.Foo` (phase_all.carbon:16) --->
// CHECK:STDOUT: >[] stack-push: ExpressionAction pos: 0 `N.Foo` (phase_all.carbon:16)
// CHECK:STDOUT: ->> step ExpressionAction pos: 0 `N.Foo` (phase_all.carbon:16) --->
// CHECK:STDOUT: <[] stack-pop: ExpressionAction pos: 0 `N.Foo` (phase_all.carbon:16)
// CHECK:STDOUT: >[] stack-push: ExpressionAction pos: 0 `Foo` (phase_all.carbon:16)
// CHECK:STDOUT: ->> step ExpressionAction pos: 0 `Foo` (phase_all.carbon:16) --->
// CHECK:STDOUT: <[] stack-pop: ExpressionAction pos: 0 `Foo` (phase_all.carbon:16)
// CHECK:STDOUT: ->> step ValueExpressionAction pos: 1 `N.Foo` results: [`fun<N.Foo>`] (phase_all.carbon:16) --->
// CHECK:STDOUT: <[] stack-pop: ValueExpressionAction pos: 1 `N.Foo` results: [`fun<N.Foo>`] (phase_all.carbon:16)
// CHECK:STDOUT: ->> step ExpressionAction pos: 1 `N.Foo(0)` results: [`fun<N.Foo>`] scope: [] (phase_all.carbon:16) --->
// CHECK:STDOUT: >[] stack-push: ExpressionAction pos: 0 `0` (phase_all.carbon:16)
// CHECK:STDOUT: ->> step ExpressionAction pos: 0 `0` (phase_all.carbon:16) --->
// CHECK:STDOUT: <[] stack-pop: ExpressionAction pos: 0 `0` (phase_all.carbon:16)
// CHECK:STDOUT: ->> step ExpressionAction pos: 2 `N.Foo(0)` results: [`fun<N.Foo>`, `0`] scope: [] (phase_all.carbon:16) --->
// CHECK:STDOUT: -() calling function: fun<N.Foo>
// CHECK:STDOUT: === match pattern `(Placeholder<n>,)`
// CHECK:STDOUT: from value expression with value `(0,)`
// CHECK:STDOUT: === match pattern `Placeholder<n>`
// CHECK:STDOUT: from value expression with value `0`
// CHECK:STDOUT: >[] stack-push: ScopeAction pos: 0 scope: [`n: i32`: `0`] (None)
// CHECK:STDOUT: >[] stack-push: StatementAction pos: 0 `{ ... }` (phase_all.carbon:13)
// CHECK:STDOUT: ->> step StatementAction pos: 0 `{ ... }` (phase_all.carbon:13) --->
// CHECK:STDOUT:
// CHECK:STDOUT: *** statement at (phase_all.carbon:13)
// CHECK:STDOUT: ```
// CHECK:STDOUT: {
// CHECK:STDOUT: return (n + 1);
// CHECK:STDOUT: }
// CHECK:STDOUT: ```
// CHECK:STDOUT: >[] stack-push: StatementAction pos: 0 `return ...;` (phase_all.carbon:12)
// CHECK:STDOUT: ->> step StatementAction pos: 0 `return ...;` (phase_all.carbon:12) --->
// CHECK:STDOUT:
// CHECK:STDOUT: *** statement at (phase_all.carbon:12)
// CHECK:STDOUT: ```
// CHECK:STDOUT: return (n + 1);
// CHECK:STDOUT: ```
// CHECK:STDOUT: >[] stack-push: ValueExpressionAction pos: 0 `(n + 1)` (phase_all.carbon:12)
// CHECK:STDOUT: ->> step ValueExpressionAction pos: 0 `(n + 1)` (phase_all.carbon:12) --->
// CHECK:STDOUT: >[] stack-push: ExpressionAction pos: 0 `(n + 1)` (phase_all.carbon:12)
// CHECK:STDOUT: ->> step ExpressionAction pos: 0 `(n + 1)` (phase_all.carbon:12) --->
// CHECK:STDOUT: >[] stack-push: ValueExpressionAction pos: 0 `n` (phase_all.carbon:12)
// CHECK:STDOUT: ->> step ValueExpressionAction pos: 0 `n` (phase_all.carbon:12) --->
// CHECK:STDOUT: >[] stack-push: ExpressionAction pos: 0 `n` (phase_all.carbon:12)
// CHECK:STDOUT: ->> step ExpressionAction pos: 0 `n` (phase_all.carbon:12) --->
// CHECK:STDOUT: <[] stack-pop: ExpressionAction pos: 0 `n` (phase_all.carbon:12)
// CHECK:STDOUT: ->> step ValueExpressionAction pos: 1 `n` results: [`0`] (phase_all.carbon:12) --->
// CHECK:STDOUT: <[] stack-pop: ValueExpressionAction pos: 1 `n` results: [`0`] (phase_all.carbon:12)
// CHECK:STDOUT: ->> step ExpressionAction pos: 1 `(n + 1)` results: [`0`] (phase_all.carbon:12) --->
// CHECK:STDOUT: >[] stack-push: ValueExpressionAction pos: 0 `1` (phase_all.carbon:12)
// CHECK:STDOUT: ->> step ValueExpressionAction pos: 0 `1` (phase_all.carbon:12) --->
// CHECK:STDOUT: >[] stack-push: ExpressionAction pos: 0 `1` (phase_all.carbon:12)
// CHECK:STDOUT: ->> step ExpressionAction pos: 0 `1` (phase_all.carbon:12) --->
// CHECK:STDOUT: <[] stack-pop: ExpressionAction pos: 0 `1` (phase_all.carbon:12)
// CHECK:STDOUT: ->> step ValueExpressionAction pos: 1 `1` results: [`1`] (phase_all.carbon:12) --->
// CHECK:STDOUT: <[] stack-pop: ValueExpressionAction pos: 1 `1` results: [`1`] (phase_all.carbon:12)
// CHECK:STDOUT: ->> step ExpressionAction pos: 2 `(n + 1)` results: [`0`, `1`] (phase_all.carbon:12) --->
// CHECK:STDOUT: <[] stack-pop: ExpressionAction pos: 2 `(n + 1)` results: [`0`, `1`] (phase_all.carbon:12)
// CHECK:STDOUT: ->> step ValueExpressionAction pos: 1 `(n + 1)` results: [`1`] (phase_all.carbon:12) --->
// CHECK:STDOUT: <[] stack-pop: ValueExpressionAction pos: 1 `(n + 1)` results: [`1`] (phase_all.carbon:12)
// CHECK:STDOUT: ->> step StatementAction pos: 1 `return ...;` results: [`1`] (phase_all.carbon:12) --->
// CHECK:STDOUT:
// CHECK:STDOUT: *** statement at (phase_all.carbon:12)
// CHECK:STDOUT: ```
// CHECK:STDOUT: return (n + 1);
// CHECK:STDOUT: ```
// CHECK:STDOUT: --> memory-write: #1 `1`
// CHECK:STDOUT: <[] stack-pop: StatementAction pos: 1 `return ...;` results: [`1`] (phase_all.carbon:12)
// CHECK:STDOUT: <[] stack-pop: StatementAction pos: 1 `{ ... }` scope: [] (phase_all.carbon:13)
// CHECK:STDOUT: <[] stack-pop: ScopeAction pos: 0 scope: [`n: i32`: `0`] (None)
// CHECK:STDOUT: >[] stack-push: CleanUpAction pos: 0 scope: [`n: i32`: `0`] (stack cleanup:1)
// CHECK:STDOUT: >[] stack-push: CleanUpAction pos: 0 scope: [] (stack cleanup:1)
// CHECK:STDOUT: ->> step CleanUpAction pos: 0 scope: [] (stack cleanup:1) --->
// CHECK:STDOUT: <[] stack-pop: CleanUpAction pos: 0 scope: [] (stack cleanup:1)
// CHECK:STDOUT: ->> step CleanUpAction pos: 0 scope: [`n: i32`: `0`] (stack cleanup:1) --->
// CHECK:STDOUT: <[] stack-pop: CleanUpAction pos: 0 scope: [`n: i32`: `0`] (stack cleanup:1)
// CHECK:STDOUT: ->> step ExpressionAction pos: 3 `N.Foo(0)` results: [`fun<N.Foo>`, `0`, `1`] scope: [] (phase_all.carbon:16) --->
// CHECK:STDOUT: <[] stack-pop: ExpressionAction pos: 3 `N.Foo(0)` results: [`fun<N.Foo>`, `0`, `1`] scope: [] (phase_all.carbon:16)
// CHECK:STDOUT: >[] stack-push: CleanUpAction pos: 0 scope: [] (stack cleanup:1)
// CHECK:STDOUT: ->> step CleanUpAction pos: 0 scope: [] (stack cleanup:1) --->
// CHECK:STDOUT: <[] stack-pop: CleanUpAction pos: 0 scope: [] (stack cleanup:1)
// CHECK:STDOUT: ->> step StatementAction pos: 1 `var ... = ...;` results: [`1`] (phase_all.carbon:16) --->
// CHECK:STDOUT:
// CHECK:STDOUT: *** statement at (phase_all.carbon:16)
// CHECK:STDOUT: ```
// CHECK:STDOUT: var x: i32 = N.Foo(0);
// CHECK:STDOUT: ```
// CHECK:STDOUT: <-- memory-read: #1 `1`
// CHECK:STDOUT: === match pattern `Placeholder<x>`
// CHECK:STDOUT: from initializing expression with value `1`
// CHECK:STDOUT: <[] stack-pop: StatementAction pos: 1 `var ... = ...;` results: [`1`] (phase_all.carbon:16)
// CHECK:STDOUT: ->> step StatementAction pos: 1 `{ ... }` scope: [`x: i32`: `lval<Allocation(1)>`] (phase_all.carbon:18) --->
// CHECK:STDOUT:
// CHECK:STDOUT: *** statement at (phase_all.carbon:18)
// CHECK:STDOUT: ```
// CHECK:STDOUT: {
// CHECK:STDOUT: var x: i32 = N.Foo(0);
// CHECK:STDOUT: return x;
// CHECK:STDOUT: }
// CHECK:STDOUT: ```
// CHECK:STDOUT: >[] stack-push: StatementAction pos: 0 `return ...;` (phase_all.carbon:17)
// CHECK:STDOUT: ->> step StatementAction pos: 0 `return ...;` (phase_all.carbon:17) --->
// CHECK:STDOUT:
// CHECK:STDOUT: *** statement at (phase_all.carbon:17)
// CHECK:STDOUT: ```
// CHECK:STDOUT: return x;
// CHECK:STDOUT: ```
// CHECK:STDOUT: >[] stack-push: ValueExpressionAction pos: 0 `x` (phase_all.carbon:17)
// CHECK:STDOUT: ->> step ValueExpressionAction pos: 0 `x` (phase_all.carbon:17) --->
// CHECK:STDOUT: >[] stack-push: ExpressionAction pos: 0 `x` (phase_all.carbon:17)
// CHECK:STDOUT: ->> step ExpressionAction pos: 0 `x` (phase_all.carbon:17) --->
// CHECK:STDOUT: <-- memory-read: #1 `1`
// CHECK:STDOUT: <[] stack-pop: ExpressionAction pos: 0 `x` (phase_all.carbon:17)
// CHECK:STDOUT: ->> step ValueExpressionAction pos: 1 `x` results: [`ref_expr<Allocation(1)>`] (phase_all.carbon:17) --->
// CHECK:STDOUT: <[] stack-pop: ValueExpressionAction pos: 1 `x` results: [`ref_expr<Allocation(1)>`] (phase_all.carbon:17)
// CHECK:STDOUT: ->> step StatementAction pos: 1 `return ...;` results: [`1`] (phase_all.carbon:17) --->
// CHECK:STDOUT:
// CHECK:STDOUT: *** statement at (phase_all.carbon:17)
// CHECK:STDOUT: ```
// CHECK:STDOUT: return x;
// CHECK:STDOUT: ```
// CHECK:STDOUT: <[] stack-pop: StatementAction pos: 1 `return ...;` results: [`1`] (phase_all.carbon:17)
// CHECK:STDOUT: <[] stack-pop: StatementAction pos: 2 `{ ... }` scope: [`x: i32`: `lval<Allocation(1)>`] (phase_all.carbon:18)
// CHECK:STDOUT: <[] stack-pop: ScopeAction pos: 0 scope: [] (None)
// CHECK:STDOUT: >[] stack-push: CleanUpAction pos: 0 scope: [] (stack cleanup:1)
// CHECK:STDOUT: >[] stack-push: CleanUpAction pos: 0 scope: [`x: i32`: `lval<Allocation(1)>`] (stack cleanup:1)
// CHECK:STDOUT: ->> step CleanUpAction pos: 0 scope: [`x: i32`: `lval<Allocation(1)>`] (stack cleanup:1) --->
// CHECK:STDOUT: <-- memory-read: #1 `1`
// CHECK:STDOUT: >[] stack-push: DestroyAction pos: 0 (None)
// CHECK:STDOUT: ->> step DestroyAction pos: 0 (None) --->
// CHECK:STDOUT: <[] stack-pop: DestroyAction pos: 0 (None)
// CHECK:STDOUT: ->> step CleanUpAction pos: 1 scope: [`x: i32`: `lval<Allocation(1)>`] (stack cleanup:1) --->
// CHECK:STDOUT: --# memory-dealloc: #1 `1`
// CHECK:STDOUT: ->> step CleanUpAction pos: 2 scope: [`x: i32`: `lval<Allocation(1)>`] (stack cleanup:1) --->
// CHECK:STDOUT: <[] stack-pop: CleanUpAction pos: 2 scope: [`x: i32`: `lval<Allocation(1)>`] (stack cleanup:1)
// CHECK:STDOUT: ->> step CleanUpAction pos: 0 scope: [] (stack cleanup:1) --->
// CHECK:STDOUT: <[] stack-pop: CleanUpAction pos: 0 scope: [] (stack cleanup:1)
// CHECK:STDOUT: ->> step ExpressionAction pos: 2 `Main()` results: [`fun<Main>`, `1`] scope: [] (<Main()>:0) --->
// CHECK:STDOUT: <[] stack-pop: ExpressionAction pos: 2 `Main()` results: [`fun<Main>`, `1`] scope: [] (<Main()>:0)
// CHECK:STDOUT: >[] stack-push: CleanUpAction pos: 0 scope: [] (stack cleanup:1)
// CHECK:STDOUT: ->> step CleanUpAction pos: 0 scope: [] (stack cleanup:1) --->
// CHECK:STDOUT: <[] stack-pop: CleanUpAction pos: 0 scope: [] (stack cleanup:1)
// CHECK:STDOUT: ->> step ValueExpressionAction pos: 1 `Main()` results: [`1`] (<Main()>:0) --->
// CHECK:STDOUT: <[] stack-pop: ValueExpressionAction pos: 1 `Main()` results: [`1`] (<Main()>:0)
// CHECK:STDOUT: ==> interpreter result: 1
// CHECK:STDOUT:
// CHECK:STDOUT:
// CHECK:STDOUT: * * * * * * * * * * printing timing * * * * * * * * * *
// CHECK:STDOUT: ---------------------------------------------------------
// CHECK:STDOUT: Time elapsed in ExecProgram: {{\d+}}ms
// CHECK:STDOUT: Time elapsed in AnalyzeProgram: {{\d+}}ms
// CHECK:STDOUT: Time elapsed in AddPrelude: {{\d+}}ms
// CHECK:STDOUT: Time elapsed in Parse: {{\d+}}ms
// CHECK:STDOUT: result: 1
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