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compiler: allow to declare slices of compound types

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Previously this declarations were ignored which resulted
in runtime errors, because VM's nil is an element of primitive type
and can't be converted to an array.
This commit is contained in:
Evgenii Stratonikov 2020-03-26 15:29:49 +03:00
parent c738975b7b
commit 6baed7a010
3 changed files with 58 additions and 11 deletions
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13
pkg/compiler/codegen.go
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@ -276,9 +276,16 @@ func (c *codegen) Visit(node ast.Node) ast.Visitor {
for _, spec := range n.Specs {
switch t := spec.(type) {
case *ast.ValueSpec:
for i, val := range t.Values {
ast.Walk(c, val)
l := c.scope.newLocal(t.Names[i].Name)
if len(t.Values) != 0 {
for i, val := range t.Values {
ast.Walk(c, val)
l := c.scope.newLocal(t.Names[i].Name)
c.emitStoreLocal(l)
}
} else if c.isCompoundArrayType(t.Type) {
emit.Opcode(c.prog.BinWriter, opcode.PUSH0)
emit.Opcode(c.prog.BinWriter, opcode.NEWARRAY)
l := c.scope.newLocal(t.Names[0].Name)
c.emitStoreLocal(l)
}
}