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compiler: allow to convert string constants to []byte

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Also load constant directly into stack, not by name.
This commit is contained in:
Evgenii Stratonikov 2020-01-27 13:37:33 +03:00
parent 1cfad9ccb8
commit d65d6ab08d
2 changed files with 30 additions and 5 deletions
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10
pkg/compiler/codegen.go
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@ -349,6 +349,8 @@ func (c *codegen) Visit(node ast.Node) ast.Visitor {
return nil
}
c.emitLoadConst(value)
} else if tv := c.typeInfo.Types[n]; tv.Value != nil {
c.emitLoadConst(tv)
} else {
c.emitLoadLocal(n.Name)
}
@ -481,11 +483,9 @@ func (c *codegen) Visit(node ast.Node) ast.Visitor {
return nil
}
case *ast.ArrayType:
// For now we will assume that there is only 1 argument passed which
// will be a basic literal (string kind). This only to handle string
// to byte slice conversions. E.G. []byte("foobar")
arg := n.Args[0].(*ast.BasicLit)
c.emitLoadConst(c.typeInfo.Types[arg])
// For now we will assume that there are only byte slice conversions.
// E.g. []byte("foobar") or []byte(scriptHash).
ast.Walk(c, n.Args[0])
return nil
}