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Sema: explain why comptime is needed

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This commit is contained in:
Veikka Tuominen
2022-07-13 00:35:09 +03:00
committed by Andrew Kelley
parent 195c3cd89f
commit 76e7959a90
11 changed files with 359 additions and 317 deletions
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16
src/Module.zig
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@@ -4065,18 +4065,6 @@ pub fn semaFile(mod: *Module, file: *File) SemaError!void {
var wip_captures = try WipCaptureScope.init(gpa, new_decl_arena_allocator, null);
defer wip_captures.deinit();
var block_scope: Sema.Block = .{
.parent = null,
.sema = &sema,
.src_decl = new_decl_index,
.namespace = &struct_obj.namespace,
.wip_capture_scope = wip_captures.scope,
.instructions = .{},
.inlining = null,
.is_comptime = true,
};
defer block_scope.instructions.deinit(gpa);
if (sema.analyzeStructDecl(new_decl, main_struct_inst, struct_obj)) |_| {
try wip_captures.finalize();
new_decl.analysis = .complete;
@@ -4185,7 +4173,7 @@ fn semaDecl(mod: *Module, decl_index: Decl.Index) !bool {
const result_ref = (try sema.analyzeBodyBreak(&block_scope, body)).?.operand;
try wip_captures.finalize();
const src = LazySrcLoc.nodeOffset(0);
const decl_tv = try sema.resolveInstValue(&block_scope, src, result_ref);
const decl_tv = try sema.resolveInstValue(&block_scope, .unneeded, result_ref, undefined);
const decl_align: u32 = blk: {
const align_ref = decl.zirAlignRef();
if (align_ref == .none) break :blk 0;
@@ -4194,7 +4182,7 @@ fn semaDecl(mod: *Module, decl_index: Decl.Index) !bool {
const decl_linksection: ?[*:0]const u8 = blk: {
const linksection_ref = decl.zirLinksectionRef();
if (linksection_ref == .none) break :blk null;
const bytes = try sema.resolveConstString(&block_scope, src, linksection_ref);
const bytes = try sema.resolveConstString(&block_scope, src, linksection_ref, "linksection must be comptime known");
break :blk (try decl_arena_allocator.dupeZ(u8, bytes)).ptr;
};
const target = sema.mod.getTarget();