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carbon-lang/toolchain/semantics/testdata/operators/assignment.carbon
T
Richard Smith 5b45c2319f Only allow assignment to durable reference expressions. (#3077) 
Now that we support expression categories, use them to determine whether
the left-hand side of an assignment expression is valid.
2023-08-09 19:46:34 +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
//
// AUTOUPDATE
fn Main() {
var a: i32 = 12;
a = 9;
var b: (i32, i32) = (1, 2);
b[0] = 3;
b[1] = 4;
var c: {.a: i32, .b: i32} = {.a = 1, .b = 2};
c.a = 3;
c.b = 4;
var p: i32* = &a;
*p = 5;
*(if true then p else &a) = 10;
}
// CHECK:STDOUT: cross_reference_irs_size: 1
// CHECK:STDOUT: functions: [
// CHECK:STDOUT: {name: str0, param_refs: block0, body: {block2, block8, block9, block10}}},
// CHECK:STDOUT: ]
// CHECK:STDOUT: integer_literals: [
// CHECK:STDOUT: 12,
// CHECK:STDOUT: -7,
// CHECK:STDOUT: 1,
// CHECK:STDOUT: 2,
// CHECK:STDOUT: 0,
// CHECK:STDOUT: 3,
// CHECK:STDOUT: 1,
// CHECK:STDOUT: 4,
// CHECK:STDOUT: 1,
// CHECK:STDOUT: 2,
// CHECK:STDOUT: 3,
// CHECK:STDOUT: 4,
// CHECK:STDOUT: 5,
// CHECK:STDOUT: 10,
// CHECK:STDOUT: ]
// CHECK:STDOUT: real_literals: [
// CHECK:STDOUT: ]
// CHECK:STDOUT: strings: [
// CHECK:STDOUT: Main,
// CHECK:STDOUT: a,
// CHECK:STDOUT: b,
// CHECK:STDOUT: c,
// CHECK:STDOUT: p,
// CHECK:STDOUT: ]
// CHECK:STDOUT: types: [
// CHECK:STDOUT: nodeIntegerType,
// CHECK:STDOUT: node+9,
// CHECK:STDOUT: node+11,
// CHECK:STDOUT: node+30,
// CHECK:STDOUT: node+47,
// CHECK:STDOUT: nodeBoolType,
// CHECK:STDOUT: ]
// CHECK:STDOUT: type_blocks: [
// CHECK:STDOUT: [
// CHECK:STDOUT: typeTypeType,
// CHECK:STDOUT: typeTypeType,
// CHECK:STDOUT: ],
// CHECK:STDOUT: [
// CHECK:STDOUT: type0,
// CHECK:STDOUT: type0,
// CHECK:STDOUT: ],
// CHECK:STDOUT: ]
// CHECK:STDOUT: nodes: [
// CHECK:STDOUT: {kind: FunctionDeclaration, arg0: function0},
// CHECK:STDOUT: {kind: VarStorage, type: type0},
// CHECK:STDOUT: {kind: BindName, arg0: str1, arg1: node+1, type: type0},
// CHECK:STDOUT: {kind: IntegerLiteral, arg0: int0, type: type0},
// CHECK:STDOUT: {kind: Assign, arg0: node+1, arg1: node+3},
// CHECK:STDOUT: {kind: IntegerLiteral, arg0: int1, type: type0},
// CHECK:STDOUT: {kind: Assign, arg0: node+1, arg1: node+5},
// CHECK:STDOUT: {kind: StubReference, arg0: nodeIntegerType, type: typeTypeType},
// CHECK:STDOUT: {kind: StubReference, arg0: nodeIntegerType, type: typeTypeType},
// CHECK:STDOUT: {kind: TupleType, arg0: typeBlock0, type: typeTypeType},
// CHECK:STDOUT: {kind: TupleValue, arg0: block3, type: type1},
// CHECK:STDOUT: {kind: TupleType, arg0: typeBlock1, type: typeTypeType},
// CHECK:STDOUT: {kind: VarStorage, type: type2},
// CHECK:STDOUT: {kind: BindName, arg0: str2, arg1: node+12, type: type2},
// CHECK:STDOUT: {kind: IntegerLiteral, arg0: int2, type: type0},
// CHECK:STDOUT: {kind: StubReference, arg0: node+14, type: type0},
// CHECK:STDOUT: {kind: IntegerLiteral, arg0: int3, type: type0},
// CHECK:STDOUT: {kind: StubReference, arg0: node+16, type: type0},
// CHECK:STDOUT: {kind: TupleValue, arg0: block4, type: type2},
// CHECK:STDOUT: {kind: Assign, arg0: node+12, arg1: node+18},
// CHECK:STDOUT: {kind: IntegerLiteral, arg0: int4, type: type0},
// CHECK:STDOUT: {kind: Index, arg0: node+12, arg1: node+20, type: type0},
// CHECK:STDOUT: {kind: IntegerLiteral, arg0: int5, type: type0},
// CHECK:STDOUT: {kind: Assign, arg0: node+21, arg1: node+22},
// CHECK:STDOUT: {kind: IntegerLiteral, arg0: int6, type: type0},
// CHECK:STDOUT: {kind: Index, arg0: node+12, arg1: node+24, type: type0},
// CHECK:STDOUT: {kind: IntegerLiteral, arg0: int7, type: type0},
// CHECK:STDOUT: {kind: Assign, arg0: node+25, arg1: node+26},
// CHECK:STDOUT: {kind: StructTypeField, arg0: str1, arg1: type0},
// CHECK:STDOUT: {kind: StructTypeField, arg0: str2, arg1: type0},
// CHECK:STDOUT: {kind: StructType, arg0: block5, type: typeTypeType},
// CHECK:STDOUT: {kind: VarStorage, type: type3},
// CHECK:STDOUT: {kind: BindName, arg0: str3, arg1: node+31, type: type3},
// CHECK:STDOUT: {kind: IntegerLiteral, arg0: int8, type: type0},
// CHECK:STDOUT: {kind: StructTypeField, arg0: str1, arg1: type0},
// CHECK:STDOUT: {kind: StubReference, arg0: node+33, type: type0},
// CHECK:STDOUT: {kind: IntegerLiteral, arg0: int9, type: type0},
// CHECK:STDOUT: {kind: StructTypeField, arg0: str2, arg1: type0},
// CHECK:STDOUT: {kind: StubReference, arg0: node+36, type: type0},
// CHECK:STDOUT: {kind: StructValue, arg0: block7, type: type3},
// CHECK:STDOUT: {kind: Assign, arg0: node+31, arg1: node+39},
// CHECK:STDOUT: {kind: StructMemberAccess, arg0: node+31, arg1: member0, type: type0},
// CHECK:STDOUT: {kind: IntegerLiteral, arg0: int10, type: type0},
// CHECK:STDOUT: {kind: Assign, arg0: node+41, arg1: node+42},
// CHECK:STDOUT: {kind: StructMemberAccess, arg0: node+31, arg1: member1, type: type0},
// CHECK:STDOUT: {kind: IntegerLiteral, arg0: int11, type: type0},
// CHECK:STDOUT: {kind: Assign, arg0: node+44, arg1: node+45},
// CHECK:STDOUT: {kind: PointerType, arg0: type0, type: typeTypeType},
// CHECK:STDOUT: {kind: VarStorage, type: type4},
// CHECK:STDOUT: {kind: BindName, arg0: str4, arg1: node+48, type: type4},
// CHECK:STDOUT: {kind: AddressOf, arg0: node+1, type: type4},
// CHECK:STDOUT: {kind: Assign, arg0: node+48, arg1: node+50},
// CHECK:STDOUT: {kind: Dereference, arg0: node+48, type: type0},
// CHECK:STDOUT: {kind: IntegerLiteral, arg0: int12, type: type0},
// CHECK:STDOUT: {kind: Assign, arg0: node+52, arg1: node+53},
// CHECK:STDOUT: {kind: BoolLiteral, arg0: true, type: type5},
// CHECK:STDOUT: {kind: BranchIf, arg0: block8, arg1: node+55},
// CHECK:STDOUT: {kind: Branch, arg0: block9},
// CHECK:STDOUT: {kind: AddressOf, arg0: node+1, type: type4},
// CHECK:STDOUT: {kind: BranchWithArg, arg0: block10, arg1: node+48},
// CHECK:STDOUT: {kind: BranchWithArg, arg0: block10, arg1: node+58},
// CHECK:STDOUT: {kind: BlockArg, arg0: block10, type: type4},
// CHECK:STDOUT: {kind: Dereference, arg0: node+61, type: type0},
// CHECK:STDOUT: {kind: IntegerLiteral, arg0: int13, type: type0},
// CHECK:STDOUT: {kind: Assign, arg0: node+62, arg1: node+63},
// CHECK:STDOUT: {kind: Return},
// CHECK:STDOUT: ]
// CHECK:STDOUT: node_blocks: [
// CHECK:STDOUT: [
// CHECK:STDOUT: ],
// CHECK:STDOUT: [
// CHECK:STDOUT: node+0,
// CHECK:STDOUT: ],
// CHECK:STDOUT: [
// CHECK:STDOUT: node+1,
// CHECK:STDOUT: node+2,
// CHECK:STDOUT: node+3,
// CHECK:STDOUT: node+4,
// CHECK:STDOUT: node+5,
// CHECK:STDOUT: node+6,
// CHECK:STDOUT: node+7,
// CHECK:STDOUT: node+8,
// CHECK:STDOUT: node+9,
// CHECK:STDOUT: node+10,
// CHECK:STDOUT: node+11,
// CHECK:STDOUT: node+12,
// CHECK:STDOUT: node+13,
// CHECK:STDOUT: node+14,
// CHECK:STDOUT: node+15,
// CHECK:STDOUT: node+16,
// CHECK:STDOUT: node+17,
// CHECK:STDOUT: node+18,
// CHECK:STDOUT: node+19,
// CHECK:STDOUT: node+20,
// CHECK:STDOUT: node+21,
// CHECK:STDOUT: node+22,
// CHECK:STDOUT: node+23,
// CHECK:STDOUT: node+24,
// CHECK:STDOUT: node+25,
// CHECK:STDOUT: node+26,
// CHECK:STDOUT: node+27,
// CHECK:STDOUT: node+28,
// CHECK:STDOUT: node+29,
// CHECK:STDOUT: node+30,
// CHECK:STDOUT: node+31,
// CHECK:STDOUT: node+32,
// CHECK:STDOUT: node+33,
// CHECK:STDOUT: node+35,
// CHECK:STDOUT: node+36,
// CHECK:STDOUT: node+38,
// CHECK:STDOUT: node+39,
// CHECK:STDOUT: node+40,
// CHECK:STDOUT: node+41,
// CHECK:STDOUT: node+42,
// CHECK:STDOUT: node+43,
// CHECK:STDOUT: node+44,
// CHECK:STDOUT: node+45,
// CHECK:STDOUT: node+46,
// CHECK:STDOUT: node+47,
// CHECK:STDOUT: node+48,
// CHECK:STDOUT: node+49,
// CHECK:STDOUT: node+50,
// CHECK:STDOUT: node+51,
// CHECK:STDOUT: node+52,
// CHECK:STDOUT: node+53,
// CHECK:STDOUT: node+54,
// CHECK:STDOUT: node+55,
// CHECK:STDOUT: node+56,
// CHECK:STDOUT: node+57,
// CHECK:STDOUT: ],
// CHECK:STDOUT: [
// CHECK:STDOUT: node+7,
// CHECK:STDOUT: node+8,
// CHECK:STDOUT: ],
// CHECK:STDOUT: [
// CHECK:STDOUT: node+15,
// CHECK:STDOUT: node+17,
// CHECK:STDOUT: ],
// CHECK:STDOUT: [
// CHECK:STDOUT: node+28,
// CHECK:STDOUT: node+29,
// CHECK:STDOUT: ],
// CHECK:STDOUT: [
// CHECK:STDOUT: node+34,
// CHECK:STDOUT: node+37,
// CHECK:STDOUT: ],
// CHECK:STDOUT: [
// CHECK:STDOUT: node+35,
// CHECK:STDOUT: node+38,
// CHECK:STDOUT: ],
// CHECK:STDOUT: [
// CHECK:STDOUT: node+59,
// CHECK:STDOUT: ],
// CHECK:STDOUT: [
// CHECK:STDOUT: node+58,
// CHECK:STDOUT: node+60,
// CHECK:STDOUT: ],
// CHECK:STDOUT: [
// CHECK:STDOUT: node+61,
// CHECK:STDOUT: node+62,
// CHECK:STDOUT: node+63,
// CHECK:STDOUT: node+64,
// CHECK:STDOUT: node+65,
// CHECK:STDOUT: ],
// CHECK:STDOUT: ]
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