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allow top level declarations to be lazy

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this case now works:

```zig
const A = struct {
    b: B,
};
const B = fn (A) void;
```
This commit is contained in:
Andrew Kelley
2019-08-23 14:07:34 -04:00
parent 20049caaba
commit 1dd658d1d0
5 changed files with 47 additions and 38 deletions
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src/ir.cpp
+3 -3
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@@ -17074,7 +17074,7 @@ static IrInstruction *ir_analyze_container_member_access_inner(IrAnalyze *ira,
auto entry = container_scope->decl_table.maybe_get(field_name);
Tld *tld = entry ? entry->value : nullptr;
if (tld && tld->id == TldIdFn) {
resolve_top_level_decl(ira->codegen, tld, source_instr->source_node);
resolve_top_level_decl(ira->codegen, tld, source_instr->source_node, false);
if (tld->resolution == TldResolutionInvalid)
return ira->codegen->invalid_instruction;
TldFn *tld_fn = (TldFn *)tld;
@@ -17317,7 +17317,7 @@ static IrInstruction *ir_error_dependency_loop(IrAnalyze *ira, IrInstruction *so
}
static IrInstruction *ir_analyze_decl_ref(IrAnalyze *ira, IrInstruction *source_instruction, Tld *tld) {
resolve_top_level_decl(ira->codegen, tld, source_instruction->source_node);
resolve_top_level_decl(ira->codegen, tld, source_instruction->source_node, true);
if (tld->resolution == TldResolutionInvalid) {
return ira->codegen->invalid_instruction;
}
@@ -19682,7 +19682,7 @@ static Error ir_make_type_info_decls(IrAnalyze *ira, IrInstruction *source_instr
while ((curr_entry = decl_it.next()) != nullptr) {
// If the declaration is unresolved, force it to be resolved again.
if (curr_entry->value->resolution == TldResolutionUnresolved) {
resolve_top_level_decl(ira->codegen, curr_entry->value, curr_entry->value->source_node);
resolve_top_level_decl(ira->codegen, curr_entry->value, curr_entry->value->source_node, false);
if (curr_entry->value->resolution != TldResolutionOk) {
return ErrorSemanticAnalyzeFail;
}