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@sizeOf returns 0 for comptime types

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This defines `@sizeOf` to be the runtime size of a type, which means
that it is zero for types such as comptime_int, type, and (enum
literal).

See #2209
This commit is contained in:
Andrew Kelley
2019-04-24 22:31:53 -04:00
parent 733c547a65
commit fb2acaff06
4 changed files with 25 additions and 5 deletions
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10
src/ir.cpp
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@@ -16729,16 +16729,16 @@ static IrInstruction *ir_analyze_instruction_size_of(IrAnalyze *ira,
case ZigTypeIdUnreachable:
case ZigTypeIdUndefined:
case ZigTypeIdNull:
case ZigTypeIdComptimeFloat:
case ZigTypeIdComptimeInt:
case ZigTypeIdEnumLiteral:
case ZigTypeIdBoundFn:
case ZigTypeIdMetaType:
case ZigTypeIdArgTuple:
case ZigTypeIdOpaque:
ir_add_error_node(ira, size_of_instruction->base.source_node,
ir_add_error_node(ira, type_value->source_node,
buf_sprintf("no size available for type '%s'", buf_ptr(&type_entry->name)));
return ira->codegen->invalid_instruction;
case ZigTypeIdMetaType:
case ZigTypeIdEnumLiteral:
case ZigTypeIdComptimeFloat:
case ZigTypeIdComptimeInt:
case ZigTypeIdVoid:
case ZigTypeIdBool:
case ZigTypeIdInt: