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stage2: implement sema for @errorToInt and @intToError

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This commit is contained in:
jacob gw
2021-03-26 17:54:41 -04:00
committed by Andrew Kelley
parent f80f8a7a78
commit 0005b34637
10 changed files with 177 additions and 7 deletions
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10
src/codegen.zig
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@@ -898,6 +898,8 @@ fn Function(comptime arch: std.Target.Cpu.Arch) type {
.is_null_ptr => return self.genIsNullPtr(inst.castTag(.is_null_ptr).?),
.is_err => return self.genIsErr(inst.castTag(.is_err).?),
.is_err_ptr => return self.genIsErrPtr(inst.castTag(.is_err_ptr).?),
.error_to_int => return self.genErrorToInt(inst.castTag(.error_to_int).?),
.int_to_error => return self.genIntToError(inst.castTag(.int_to_error).?),
.load => return self.genLoad(inst.castTag(.load).?),
.loop => return self.genLoop(inst.castTag(.loop).?),
.not => return self.genNot(inst.castTag(.not).?),
@@ -2557,6 +2559,14 @@ fn Function(comptime arch: std.Target.Cpu.Arch) type {
return self.fail(inst.base.src, "TODO load the operand and call genIsErr", .{});
}
fn genErrorToInt(self: *Self, inst: *ir.Inst.UnOp) !MCValue {
return self.resolveInst(inst.operand);
}
fn genIntToError(self: *Self, inst: *ir.Inst.UnOp) !MCValue {
return self.resolveInst(inst.operand);
}
fn genLoop(self: *Self, inst: *ir.Inst.Loop) !MCValue {
// A loop is a setup to be able to jump back to the beginning.
const start_index = self.code.items.len;