31 lines
766 B
Go
31 lines
766 B
Go
package core
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import (
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"git.urbach.dev/cli/q/src/asm"
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"git.urbach.dev/cli/q/src/errors"
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"git.urbach.dev/cli/q/src/expression"
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)
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// MultiAssign assigns multiple return values to local variables.
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func (f *Function) MultiAssign(left *expression.Expression, right *expression.Expression) error {
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count := 0
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_, err := f.CompileCall(right)
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if err != nil {
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return err
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}
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return left.EachLeaf(func(leaf *expression.Expression) error {
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name := leaf.Token.Text(f.File.Bytes)
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variable := f.VariableByName(name)
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if variable == nil {
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return errors.New(&errors.UnknownIdentifier{Name: name}, f.File, left.Token.Position)
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}
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f.RegisterRegister(asm.MOVE, variable.Value.Register, f.CPU.Output[count])
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f.UseVariable(variable)
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count++
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return nil
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})
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}
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