q/src/build/Instruction.go

36 lines
797 B
Go

package build
import (
"git.akyoto.dev/cli/q/src/build/expression"
"git.akyoto.dev/cli/q/src/build/token"
"git.akyoto.dev/cli/q/src/errors"
)
// CompileInstruction compiles a single instruction.
func (f *Function) CompileInstruction(instruction token.List) error {
if instruction[0].Kind == token.Keyword {
return f.CompileKeyword(instruction)
}
expr := expression.Parse(instruction)
if expr == nil {
return nil
}
defer expr.Close()
switch true {
case isVariableDefinition(expr):
return f.CompileVariableDefinition(expr)
case isAssignment(expr):
return f.CompileAssignment(expr)
case isFunctionCall(expr):
return f.CompileFunctionCall(expr)
default:
return errors.New(&errors.InvalidInstruction{Instruction: expr.Token.Text()}, f.File, expr.Token.Position)
}
}