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package compiler
import "github.com/nihei9/maleeni/spec"
func Compile(lexspec *spec.LexSpec) (*spec.CompiledLexSpec, error) {
var kinds []string
var patterns map[int][]byte
{
kinds = append(kinds, "")
patterns = map[int][]byte{}
for i, e := range lexspec.Entries {
kinds = append(kinds, e.Kind)
patterns[i+1] = []byte(e.Pattern)
}
}
root, symTab, err := parse(patterns)
if err != nil {
return nil, err
}
dfa := genDFA(root, symTab)
tranTab, err := genTransitionTable(dfa)
if err != nil {
return nil, err
}
return &spec.CompiledLexSpec{
Kinds: kinds,
DFA: tranTab,
}, nil
}
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