37 lines
840 B
Go
37 lines
840 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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// CompileMemoryStore compiles a variable-width store to memory.
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func (f *Function) CompileMemoryStore(root *expression.Expression) error {
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parameters := root.Children[1:]
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name := parameters[0].Token.Text(f.File.Bytes)
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numBytes, err := f.ToNumber(parameters[1].Token)
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if err != nil {
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return err
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}
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value := parameters[2]
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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, parameters[0].Token.Position)
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}
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defer f.UseVariable(variable)
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memory := asm.Memory{
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Base: variable.Value.Register,
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OffsetRegister: -1,
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Length: byte(numBytes),
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}
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_, err = f.ExpressionToMemory(value, memory)
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return err
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}
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