root/trunk/ProjectFortress/src/com/sun/fortress/compiler/phases/PhaseOrder.java @ 2404

package com.sun.fortress.compiler.phases;

import com.sun.fortress.compiler.GlobalEnvironment;
import com.sun.fortress.exceptions.InterpreterBug;
import com.sun.fortress.exceptions.StaticError;
import com.sun.fortress.nodes.Api;
import com.sun.fortress.nodes.Component;
import com.sun.fortress.repository.FortressRepository;

public enum PhaseOrder {
        EMPTY("Empty Phase"),
        DISAMBIGUATE("Disambiguation"), 
        GRAMMAR("Grammar Rewriting"),   
        TYPECHECK("Typechecking"),
        DESUGAR("Desugaring"),  
        CODEGEN("Code generation");
        
        private String phaseName;

        PhaseOrder(String phaseName) {
                this.phaseName = phaseName;
        }
        
        public Phase makePhase(FortressRepository repository, GlobalEnvironment env, 
                        Iterable<Api> apis, Iterable<Component> components, long lastModified) throws StaticError {
                Phase empty = new EmptyPhase(repository,env,apis,components,lastModified);
                switch(this) {
                        case EMPTY: return empty;
                        default: return makePhaseHelper(empty);
                }
        }
        
        private Phase makePhaseHelper(Phase emptyPhase) {
                switch(this) {
                        case EMPTY: return emptyPhase;
                        case DISAMBIGUATE: return new DisambiguatePhase(EMPTY.makePhaseHelper(emptyPhase));
                        case GRAMMAR: return new GrammarPhase(DISAMBIGUATE.makePhaseHelper(emptyPhase));
                        case TYPECHECK: return new TypeCheckPhase(GRAMMAR.makePhaseHelper(emptyPhase));
                        case DESUGAR: return new DesugarPhase(TYPECHECK.makePhaseHelper(emptyPhase));
                        case CODEGEN: return new CodeGenerationPhase(DESUGAR.makePhaseHelper(emptyPhase));
                        default: return InterpreterBug.bug("Unknown static analysis phase: " + phaseName);
                }
        }
        
        @Override
        public String toString() {
                return phaseName;
        }
                        
}