diff options
Diffstat (limited to 'src/Module.zig')
| -rw-r--r-- | src/Module.zig | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/Module.zig b/src/Module.zig index 2bbc5383c8..94a0dd5c54 100644 --- a/src/Module.zig +++ b/src/Module.zig @@ -1462,6 +1462,57 @@ pub const Scope = struct { } } + pub fn addVar(gz: *GenZir, args: struct { + align_inst: Zir.Inst.Ref, + lib_name: u32, + var_type: Zir.Inst.Ref, + init: Zir.Inst.Ref, + is_extern: bool, + }) !Zir.Inst.Ref { + const astgen = gz.astgen; + const gpa = astgen.gpa; + + try gz.instructions.ensureUnusedCapacity(gpa, 1); + try astgen.instructions.ensureUnusedCapacity(gpa, 1); + + try astgen.extra.ensureUnusedCapacity( + gpa, + @typeInfo(Zir.Inst.ExtendedVar).Struct.fields.len + + @boolToInt(args.lib_name != 0) + + @boolToInt(args.align_inst != .none) + + @boolToInt(args.init != .none), + ); + const payload_index = astgen.addExtraAssumeCapacity(Zir.Inst.ExtendedVar{ + .var_type = args.var_type, + }); + if (args.lib_name != 0) { + astgen.extra.appendAssumeCapacity(args.lib_name); + } + if (args.align_inst != .none) { + astgen.extra.appendAssumeCapacity(@enumToInt(args.align_inst)); + } + if (args.init != .none) { + astgen.extra.appendAssumeCapacity(@enumToInt(args.init)); + } + + const new_index = @intCast(Zir.Inst.Index, astgen.instructions.len); + astgen.instructions.appendAssumeCapacity(.{ + .tag = .extended, + .data = .{ .extended = .{ + .opcode = .variable, + .small = @bitCast(u16, Zir.Inst.ExtendedVar.Small{ + .has_lib_name = args.lib_name != 0, + .has_align = args.align_inst != .none, + .has_init = args.init != .none, + .is_extern = args.is_extern, + }), + .operand = payload_index, + } }, + }); + gz.instructions.appendAssumeCapacity(new_index); + return gz.indexToRef(new_index); + } + pub fn addCall( gz: *GenZir, tag: Zir.Inst.Tag, |