34 lines
800 B
Go
34 lines
800 B
Go
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package core
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import (
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"git.akyoto.dev/cli/q/src/build/asm"
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"git.akyoto.dev/cli/q/src/build/ast"
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"git.akyoto.dev/cli/q/src/build/cpu"
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"git.akyoto.dev/cli/q/src/build/expression"
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)
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// ExpressionToRegister puts the result of an expression into the specified register.
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func (f *Function) ExpressionToRegister(root *expression.Expression, register cpu.Register) error {
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if root.IsLeaf() {
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return f.TokenToRegister(root.Token, register)
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}
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if ast.IsFunctionCall(root) {
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err := f.CompileCall(root)
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f.assembler.RegisterRegister(asm.MOVE, register, f.cpu.Output[0])
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return err
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}
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left := root.Children[0]
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right := root.Children[1]
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err := f.ExpressionToRegister(left, register)
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if err != nil {
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return err
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}
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f.SaveRegister(register)
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return f.Execute(root.Token, register, right)
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}
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