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AstGen: implement function prototypes with alignment exprs

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This commit is contained in:
Andrew Kelley
2021-04-29 18:25:25 -07:00
parent 2eef83e85f
commit ba9b9cb38d
5 changed files with 51 additions and 10 deletions
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14
src/Module.zig
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@@ -1372,6 +1372,7 @@ pub const Scope = struct {
body: []const Zir.Inst.Index,
ret_ty: Zir.Inst.Ref,
cc: Zir.Inst.Ref,
align_inst: Zir.Inst.Ref,
lib_name: u32,
is_var_args: bool,
is_inferred_error: bool,
@@ -1385,12 +1386,15 @@ pub const Scope = struct {
try gz.instructions.ensureUnusedCapacity(gpa, 1);
try astgen.instructions.ensureUnusedCapacity(gpa, 1);
if (args.cc != .none or args.lib_name != 0 or args.is_var_args or args.is_test) {
if (args.cc != .none or args.lib_name != 0 or
args.is_var_args or args.is_test or args.align_inst != .none)
{
try astgen.extra.ensureUnusedCapacity(
gpa,
@typeInfo(Zir.Inst.ExtendedFunc).Struct.fields.len +
args.param_types.len + args.body.len +
@boolToInt(args.lib_name != 0) +
@boolToInt(args.align_inst != .none) +
@boolToInt(args.cc != .none),
);
const payload_index = astgen.addExtraAssumeCapacity(Zir.Inst.ExtendedFunc{
@@ -1399,11 +1403,14 @@ pub const Scope = struct {
.param_types_len = @intCast(u32, args.param_types.len),
.body_len = @intCast(u32, args.body.len),
});
if (args.lib_name != 0) {
astgen.extra.appendAssumeCapacity(args.lib_name);
}
if (args.cc != .none) {
astgen.extra.appendAssumeCapacity(@enumToInt(args.cc));
}
if (args.lib_name != 0) {
astgen.extra.appendAssumeCapacity(args.lib_name);
if (args.align_inst != .none) {
astgen.extra.appendAssumeCapacity(@enumToInt(args.align_inst));
}
astgen.appendRefsAssumeCapacity(args.param_types);
astgen.extra.appendSliceAssumeCapacity(args.body);
@@ -1418,6 +1425,7 @@ pub const Scope = struct {
.is_inferred_error = args.is_inferred_error,
.has_lib_name = args.lib_name != 0,
.has_cc = args.cc != .none,
.has_align = args.align_inst != .none,
.is_test = args.is_test,
}),
.operand = payload_index,