38 lines
1.0 KiB
V
38 lines
1.0 KiB
V
module builder
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import v.table
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// generic struct instantiations to concrete types
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pub fn (b &Builder) generic_struct_insts_to_concrete() {
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for idx, _ in b.table.types {
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mut typ := unsafe {&b.table.types[idx]}
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if typ.kind == .generic_struct_inst {
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info := typ.info as table.GenericStructInst
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parent := b.table.types[info.parent_idx]
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mut parent_info := parent.info as table.Struct
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mut fields := parent_info.fields.clone()
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for i, _ in fields {
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mut field := fields[i]
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if field.typ.has_flag(.generic) {
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if parent_info.generic_types.len != info.generic_types.len {
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// TODO: proper error
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panic('generic template mismatch')
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}
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for j, gp in parent_info.generic_types {
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if gp == field.typ {
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field.typ = info.generic_types[j].derive(field.typ).clear_flag(.generic)
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break
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}
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}
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}
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fields[i] = field
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}
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parent_info.generic_types = []
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parent_info.fields = fields
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typ.is_public = true
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typ.kind = .struct_
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typ.info = parent_info
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}
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}
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}
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