q/src/core/CallToRegister.go

27 lines
589 B
Go

package core
import (
"git.akyoto.dev/cli/q/src/asm"
"git.akyoto.dev/cli/q/src/cpu"
"git.akyoto.dev/cli/q/src/expression"
"git.akyoto.dev/cli/q/src/types"
)
// CallToRegister moves the result of a function call into the given register.
func (f *Function) CallToRegister(node *expression.Expression, register cpu.Register) (types.Type, error) {
types, err := f.CompileCall(node)
if err != nil {
return nil, err
}
if register != f.CPU.Output[0] {
f.RegisterRegister(asm.MOVE, register, f.CPU.Output[0])
}
if len(types) == 0 {
return nil, nil
}
return types[0], err
}