| author |  Andrew Kelley <andrew@ziglang.org> 2021-04-08 22:38:13-07:00 |
| committer | Andrew Kelley <andrew@ziglang.org> 2021-04-08 22:38:13-07:00 |
| log | 23db96931e5226f09a451663ba1c8bf2398af91b |
| tree | a725fb554d7c80bd75116b63483d10873b0a7805 |
| parent | 6e05d53e88e07d6234aaf6e0b86cd52d8c9aea92 |
AstGen: implement `@typeInfo` builtin
3 files changed, 18 insertions(+), 1 deletions(-)
src/AstGen.zig+7-1
| ... | @@ -1356,6 +1356,7 @@ fn blockExprStmts( | ... | @@ -1356,6 +1356,7 @@ fn blockExprStmts( |
| 1356 | .opaque_decl, | 1356 | .opaque_decl, |
| 1357 | .int_to_enum, | 1357 | .int_to_enum, |
| 1358 | .enum_to_int, | 1358 | .enum_to_int, |
| 1359 | .type_info, | ||
| 1359 | => break :b false, | 1360 | => break :b false, |
| 1360 | 1361 | ||
| 1361 | // ZIR instructions that are always either `noreturn` or `void`. | 1362 | // ZIR instructions that are always either `noreturn` or `void`. |
| ... | @@ -4198,6 +4199,12 @@ fn builtinCall( | ... | @@ -4198,6 +4199,12 @@ fn builtinCall( |
| 4198 | return rvalue(gz, scope, rl, result, node); | 4199 | return rvalue(gz, scope, rl, result, node); |
| 4199 | }, | 4200 | }, |
| 4200 | 4201 | ||
| 4202 | .type_info => { | ||
| 4203 | const operand = try typeExpr(gz, scope, params[0]); | ||
| 4204 | const result = try gz.addUnNode(.type_info, operand, node); | ||
| 4205 | return rvalue(gz, scope, rl, result, node); | ||
| 4206 | }, | ||
| 4207 | |||
| 4201 | .add_with_overflow, | 4208 | .add_with_overflow, |
| 4202 | .align_cast, | 4209 | .align_cast, |
| 4203 | .align_of, | 4210 | .align_of, |
| ... | @@ -4274,7 +4281,6 @@ fn builtinCall( | ... | @@ -4274,7 +4281,6 @@ fn builtinCall( |
| 4274 | .This, | 4281 | .This, |
| 4275 | .truncate, | 4282 | .truncate, |
| 4276 | .Type, | 4283 | .Type, |
| 4277 | .type_info, | ||
| 4278 | .type_name, | 4284 | .type_name, |
| 4279 | .union_init, | 4285 | .union_init, |
| 4280 | => return mod.failNode(scope, node, "TODO: implement builtin function {s}", .{ | 4286 | => return mod.failNode(scope, node, "TODO: implement builtin function {s}", .{ |
src/Sema.zig+7
| ... | @@ -259,6 +259,7 @@ pub fn analyzeBody( | ... | @@ -259,6 +259,7 @@ pub fn analyzeBody( |
| 259 | .switch_capture_multi_ref => try sema.zirSwitchCapture(block, inst, true, true), | 259 | .switch_capture_multi_ref => try sema.zirSwitchCapture(block, inst, true, true), |
| 260 | .switch_capture_else => try sema.zirSwitchCaptureElse(block, inst, false), | 260 | .switch_capture_else => try sema.zirSwitchCaptureElse(block, inst, false), |
| 261 | .switch_capture_else_ref => try sema.zirSwitchCaptureElse(block, inst, true), | 261 | .switch_capture_else_ref => try sema.zirSwitchCaptureElse(block, inst, true), |
| 262 | .type_info => try sema.zirTypeInfo(block, inst), | ||
| 262 | .typeof => try sema.zirTypeof(block, inst), | 263 | .typeof => try sema.zirTypeof(block, inst), |
| 263 | .typeof_elem => try sema.zirTypeofElem(block, inst), | 264 | .typeof_elem => try sema.zirTypeofElem(block, inst), |
| 264 | .typeof_peer => try sema.zirTypeofPeer(block, inst), | 265 | .typeof_peer => try sema.zirTypeofPeer(block, inst), |
| ... | @@ -4078,6 +4079,12 @@ fn zirCmp( | ... | @@ -4078,6 +4079,12 @@ fn zirCmp( |
| 4078 | return block.addBinOp(src, bool_type, tag, casted_lhs, casted_rhs); | 4079 | return block.addBinOp(src, bool_type, tag, casted_lhs, casted_rhs); |
| 4079 | } | 4080 | } |
| 4080 | 4081 | ||
| 4082 | fn zirTypeInfo(sema: *Sema, block: *Scope.Block, inst: zir.Inst.Index) InnerError!*Inst { | ||
| 4083 | const inst_data = sema.code.instructions.items(.data)[inst].un_node; | ||
| 4084 | const src = inst_data.src(); | ||
| 4085 | return sema.mod.fail(&block.base, src, "TODO: implement Sema.zirTypeInfo", .{}); | ||
| 4086 | } | ||
| 4087 | |||
| 4081 | fn zirTypeof(sema: *Sema, block: *Scope.Block, inst: zir.Inst.Index) InnerError!*Inst { | 4088 | fn zirTypeof(sema: *Sema, block: *Scope.Block, inst: zir.Inst.Index) InnerError!*Inst { |
| 4082 | const inst_data = sema.code.instructions.items(.data)[inst].un_node; | 4089 | const inst_data = sema.code.instructions.items(.data)[inst].un_node; |
| 4083 | const src = inst_data.src(); | 4090 | const src = inst_data.src(); |
src/zir.zig+4
| ... | @@ -687,6 +687,8 @@ pub const Inst = struct { | ... | @@ -687,6 +687,8 @@ pub const Inst = struct { |
| 687 | /// Converts an enum value into an integer. Resulting type will be the tag type | 687 | /// Converts an enum value into an integer. Resulting type will be the tag type |
| 688 | /// of the enum. Uses `un_node`. | 688 | /// of the enum. Uses `un_node`. |
| 689 | enum_to_int, | 689 | enum_to_int, |
| 690 | /// Implements the `@typeInfo` builtin. Uses `un_node`. | ||
| 691 | type_info, | ||
| 690 | 692 | ||
| 691 | /// Returns whether the instruction is one of the control flow "noreturn" types. | 693 | /// Returns whether the instruction is one of the control flow "noreturn" types. |
| 692 | /// Function calls do not count. | 694 | /// Function calls do not count. |
| ... | @@ -850,6 +852,7 @@ pub const Inst = struct { | ... | @@ -850,6 +852,7 @@ pub const Inst = struct { |
| 850 | .field_type, | 852 | .field_type, |
| 851 | .int_to_enum, | 853 | .int_to_enum, |
| 852 | .enum_to_int, | 854 | .enum_to_int, |
| 855 | .type_info, | ||
| 853 | => false, | 856 | => false, |
| 854 | 857 | ||
| 855 | .@"break", | 858 | .@"break", |
| ... | @@ -1652,6 +1655,7 @@ const Writer = struct { | ... | @@ -1652,6 +1655,7 @@ const Writer = struct { |
| 1652 | .typeof_elem, | 1655 | .typeof_elem, |
| 1653 | .struct_init_empty, | 1656 | .struct_init_empty, |
| 1654 | .enum_to_int, | 1657 | .enum_to_int, |
| 1658 | .type_info, | ||
| 1655 | => try self.writeUnNode(stream, inst), | 1659 | => try self.writeUnNode(stream, inst), |
| 1656 | 1660 | ||
| 1657 | .ref, | 1661 | .ref, |