compiler: convert to ByteArray for string variables
Convert to ByteArray when converting variable to `string`, because underlying byte-slice changes should not affect result string.
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2 changed files with 17 additions and 1 deletions
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@ -773,7 +773,11 @@ func (c *codegen) Visit(node ast.Node) ast.Visitor {
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c.convertBuiltin(n)
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case name != "":
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// Function was not found thus is can be only an invocation of func-typed variable or type conversion.
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if isFunc {
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// We care only about string conversions because all others are effectively no-op in NeoVM.
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// E.g. one cannot write `bool(int(a))`, only `int32(int(a))`.
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if isString(c.typeOf(n.Fun)) {
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c.emitConvert(stackitem.ByteArrayT)
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} else if isFunc {
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c.emitLoadVar(name)
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emit.Opcode(c.prog.BinWriter, opcode.CALLA)
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}
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