/*

 * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

import java.util.Enumeration;

import java.util.Hashtable;

import java.util.Vector;

class BuildConfig {

    @SuppressWarnings("rawtypes")

    Hashtable vars;

    Vector<String> basicNames, basicPaths;

    String[] context;

    static CompilerInterface ci;

    static CompilerInterface getCI() {

        if (ci == null) {

            String comp = (String)getField(null, "CompilerVersion");

            try {

                ci = (CompilerInterface)Class.forName("CompilerInterface" + comp).newInstance();

            } catch (Exception cnfe) {

                System.err.println("Cannot find support for compiler " + comp);

                throw new RuntimeException(cnfe.toString());

            }

        }

        return ci;

    }

    @SuppressWarnings("rawtypes")

    protected void initNames(String flavour, String build, String outDll) {

        if (vars == null) vars = new Hashtable();

        String flavourBuild =  flavour + "_" + build;

        String platformName = getFieldString(null, "PlatformName");

        System.out.println();

        System.out.println(flavourBuild);

        put("Name", getCI().makeCfgName(flavourBuild, platformName));

        put("Flavour", flavour);

        put("Build", build);

        put("PlatformName", platformName);

        // ones mentioned above were needed to expand format

        String buildBase = expandFormat(getFieldString(null, "BuildBase"));

        String sourceBase = getFieldString(null, "SourceBase");

        String buildSpace = getFieldString(null, "BuildSpace");

        String outDir = buildBase;

        put("Id", flavourBuild);

        put("OutputDir", outDir);

        put("SourceBase", sourceBase);

        put("BuildBase", buildBase);

        put("BuildSpace", buildSpace);

        put("OutputDll", outDir + Util.sep + outDll);

        context = new String [] {flavourBuild, flavour, build, null};

    }

    protected void init(Vector<String> includes, Vector<String> defines) {

        initDefaultDefines(defines);

        initDefaultCompilerFlags(includes);

        initDefaultLinkerFlags();

        //handleDB();

    }

    protected void initDefaultCompilerFlags(Vector<String> includes) {

        Vector compilerFlags = new Vector();

        compilerFlags.addAll(getCI().getBaseCompilerFlags(getV("Define"),

                                                          includes,

                                                          get("OutputDir")));

        put("CompilerFlags", compilerFlags);

    }

    protected void initDefaultLinkerFlags() {

        Vector linkerFlags = new Vector();

        linkerFlags.addAll(getCI().getBaseLinkerFlags( get("OutputDir"), get("OutputDll"), get("PlatformName")));

        put("LinkerFlags", linkerFlags);

    }

    public boolean matchesIgnoredPath(String path) {

        Vector<String> rv = new Vector<String>();

        collectRelevantVectors(rv, "IgnorePath");

        for (String pathPart : rv) {

            if (path.contains(pathPart))  {

                return true;

            }

        }

        return false;

    }

    public boolean matchesHidePath(String path) {

        Vector<String> rv = new Vector<String>();

        collectRelevantVectors(rv, "HidePath");

        for (String pathPart : rv) {

            if (path.contains(Util.normalize(pathPart)))  {

                return true;

            }

        }

        return false;

    }

   public Vector<String> matchesAdditionalGeneratedPath(String fullPath) {

        Vector<String> rv = new Vector<String>();

        Hashtable<String, String> v = (Hashtable<String, String>)BuildConfig.getField(this.toString(), "AdditionalGeneratedFile");

        if (v != null) {

            for (Enumeration<String> e=v.keys(); e.hasMoreElements(); ) {

                String key = e.nextElement();

                String val = v.get(key);

                if (fullPath.endsWith(expandFormat(key))) {

                    rv.add(expandFormat(val));

                }

            }

        }

        return rv;

    }

    void addTo(Hashtable ht, String key, String value) {

        ht.put(expandFormat(key), expandFormat(value));

    }

    void initDefaultDefines(Vector defines) {

        Vector sysDefines = new Vector();

        sysDefines.add("WIN32");

        sysDefines.add("_WINDOWS");

        sysDefines.add("HOTSPOT_BUILD_USER=\\\""+System.getProperty("user.name")+"\\\"");

        sysDefines.add("HOTSPOT_BUILD_TARGET=\\\""+get("Build")+"\\\"");

        sysDefines.add("INCLUDE_TRACE");

        sysDefines.add("_JNI_IMPLEMENTATION_");

        if (vars.get("PlatformName").equals("Win32")) {

            sysDefines.add("HOTSPOT_LIB_ARCH=\\\"i386\\\"");

        } else {

            sysDefines.add("HOTSPOT_LIB_ARCH=\\\"amd64\\\"");

        }

        sysDefines.addAll(defines);

        put("Define", sysDefines);

    }

    String get(String key) {

        return (String)vars.get(key);

    }

    Vector getV(String key) {

        return (Vector)vars.get(key);

    }

    Object getO(String key) {

        return vars.get(key);

    }

    Hashtable getH(String key) {

        return (Hashtable)vars.get(key);

    }

    Object getFieldInContext(String field) {

        for (int i=0; i<context.length; i++) {

            Object rv = getField(context[i], field);

            if (rv != null) {

                return rv;

            }

        }

        return null;

    }

    Object lookupHashFieldInContext(String field, String key) {

        for (int i=0; i<context.length; i++) {

            Hashtable ht = (Hashtable)getField(context[i], field);

            if (ht != null) {

                Object rv = ht.get(key);

                if (rv != null) {

                    return rv;

                }

            }

        }

        return null;

    }

    void put(String key, String value) {

        vars.put(key, value);

    }

    void put(String key, Vector vvalue) {

        vars.put(key, vvalue);

    }

    void add(String key, Vector vvalue) {

        getV(key).addAll(vvalue);

    }

    String flavour() {

        return get("Flavour");

    }

    String build() {

        return get("Build");

    }

    Object getSpecificField(String field) {

        return getField(get("Id"), field);

    }

    void putSpecificField(String field, Object value) {

        putField(get("Id"), field, value);

    }

    void collectRelevantVectors(Vector rv, String field) {

        for (String ctx : context) {

            Vector<String> v = getFieldVector(ctx, field);

            if (v != null) {

                for (String val : v) {

                    rv.add(expandFormat(val).replace('/', '\\'));

                }

            }

        }

    }

    void collectRelevantHashes(Hashtable rv, String field) {

        for (String ctx : context) {

            Hashtable v = (Hashtable)getField(ctx, field);

            if (v != null) {

                for (Enumeration e=v.keys(); e.hasMoreElements(); ) {

                    String key = (String)e.nextElement();

                    String val =  (String)v.get(key);

                    addTo(rv, key, val);

                }

            }

        }

    }

    Vector getDefines() {

        Vector rv = new Vector();

        collectRelevantVectors(rv, "Define");

        return rv;

    }

    Vector getIncludes() {

        Vector rv = new Vector();

        collectRelevantVectors(rv, "AbsoluteInclude");

        rv.addAll(getSourceIncludes());

        return rv;

    }

    private Vector getSourceIncludes() {

        Vector<String> rv = new Vector<String>();

        Vector<String> ri = new Vector<String>();

        String sourceBase = getFieldString(null, "SourceBase");

        collectRelevantVectors(ri, "RelativeInclude");

        for (String f : ri) {

            rv.add(sourceBase + Util.sep + f);

        }

        return rv;

    }

    static Hashtable cfgData = new Hashtable();

    static Hashtable globalData = new Hashtable();

    static boolean appliesToTieredBuild(String cfg) {

        return (cfg != null &&

                (cfg.startsWith("compiler1") ||

                 cfg.startsWith("compiler2")));

    }

    // Filters out the IgnoreFile and IgnorePaths since they are

    // handled specially for tiered builds.

    static boolean appliesToTieredBuild(String cfg, String key) {

        return (appliesToTieredBuild(cfg))&& (key != null && !key.startsWith("Ignore"));

    }

    static String getTieredBuildCfg(String cfg) {

        assert appliesToTieredBuild(cfg) : "illegal configuration " + cfg;

        return "tiered" + cfg.substring(9);

    }

    static Object getField(String cfg, String field) {

        if (cfg == null) {

            return globalData.get(field);

        }

        Hashtable ht =  (Hashtable)cfgData.get(cfg);

        return ht == null ? null : ht.get(field);

    }

    static String getFieldString(String cfg, String field) {

        return (String)getField(cfg, field);

    }

    static Vector getFieldVector(String cfg, String field) {

        return (Vector)getField(cfg, field);

    }

    static void putField(String cfg, String field, Object value) {

        putFieldImpl(cfg, field, value);

        if (appliesToTieredBuild(cfg, field)) {

            putFieldImpl(getTieredBuildCfg(cfg), field, value);

        }

    }

    private static void putFieldImpl(String cfg, String field, Object value) {

        if (cfg == null) {

            globalData.put(field, value);

            return;

        }

        Hashtable ht = (Hashtable)cfgData.get(cfg);

        if (ht == null) {

            ht = new Hashtable();

            cfgData.put(cfg, ht);

        }

        ht.put(field, value);

    }

    static Object getFieldHash(String cfg, String field, String name) {

        Hashtable ht = (Hashtable)getField(cfg, field);

        return ht == null ? null : ht.get(name);

    }

    static void putFieldHash(String cfg, String field, String name, Object val) {

        putFieldHashImpl(cfg, field, name, val);

        if (appliesToTieredBuild(cfg, field)) {

            putFieldHashImpl(getTieredBuildCfg(cfg), field, name, val);

        }

    }

    private static void putFieldHashImpl(String cfg, String field, String name, Object val) {

        Hashtable ht = (Hashtable)getField(cfg, field);

        if (ht == null) {

            ht = new Hashtable();

            putFieldImpl(cfg, field, ht);

        }

        ht.put(name, val);

    }

    static void addFieldVector(String cfg, String field, String element) {

        addFieldVectorImpl(cfg, field, element);

        if (appliesToTieredBuild(cfg, field)) {

            addFieldVectorImpl(getTieredBuildCfg(cfg), field, element);

        }

    }

    private static void addFieldVectorImpl(String cfg, String field, String element) {

        Vector v = (Vector)getField(cfg, field);

        if (v == null) {

            v = new Vector();

            putFieldImpl(cfg, field, v);

        }

        v.add(element);

    }

    String expandFormat(String format) {

        if (format == null) {

            return null;

        }

        if (format.indexOf('%') == -1) {

            return format;

        }

        StringBuffer sb = new StringBuffer();

        int len = format.length();

        for (int i=0; i<len; i++) {

            char ch = format.charAt(i);

            if (ch == '%') {

                char ch1 = format.charAt(i+1);

                switch (ch1) {

                case '%':

                    sb.append(ch1);

                    break;

                case 'b':

                    sb.append(build());

                    break;

                case 'f':

                    sb.append(flavour());

                    break;

                default:

                    sb.append(ch);

                    sb.append(ch1);

                }

                i++;

            } else {

                sb.append(ch);

            }

        }

        return sb.toString();

    }

}

abstract class GenericDebugConfig extends BuildConfig {

    abstract String getOptFlag();

    protected void init(Vector includes, Vector defines) {

        defines.add("_DEBUG");

        defines.add("ASSERT");

        super.init(includes, defines);

        getV("CompilerFlags").addAll(getCI().getDebugCompilerFlags(getOptFlag()));

        getV("LinkerFlags").addAll(getCI().getDebugLinkerFlags());

   }

}

abstract class GenericDebugNonKernelConfig extends GenericDebugConfig {

    protected void init(Vector includes, Vector defines) {

        super.init(includes, defines);

        getCI().getAdditionalNonKernelLinkerFlags(getV("LinkerFlags"));

   }

}

class C1DebugConfig extends GenericDebugNonKernelConfig {

    String getOptFlag() {

        return getCI().getNoOptFlag();

    }

    C1DebugConfig() {

        initNames("compiler1", "debug", "jvm.dll");

        init(getIncludes(), getDefines());

    }

}

class C1FastDebugConfig extends GenericDebugNonKernelConfig {

    String getOptFlag() {

        return getCI().getOptFlag();

    }

    C1FastDebugConfig() {

        initNames("compiler1", "fastdebug", "jvm.dll");

        init(getIncludes(), getDefines());

    }

}

class C2DebugConfig extends GenericDebugNonKernelConfig {

    String getOptFlag() {

        return getCI().getNoOptFlag();

    }

    C2DebugConfig() {

        initNames("compiler2", "debug", "jvm.dll");

        init(getIncludes(), getDefines());

    }

}

class C2FastDebugConfig extends GenericDebugNonKernelConfig {

    String getOptFlag() {

        return getCI().getOptFlag();

    }

    C2FastDebugConfig() {

        initNames("compiler2", "fastdebug", "jvm.dll");

        init(getIncludes(), getDefines());

    }

}

class TieredDebugConfig extends GenericDebugNonKernelConfig {

    String getOptFlag() {

        return getCI().getNoOptFlag();

    }

    TieredDebugConfig() {

        initNames("tiered", "debug", "jvm.dll");

        init(getIncludes(), getDefines());

    }

}

class TieredFastDebugConfig extends GenericDebugNonKernelConfig {

    String getOptFlag() {

        return getCI().getOptFlag();

    }

    TieredFastDebugConfig() {

        initNames("tiered", "fastdebug", "jvm.dll");

        init(getIncludes(), getDefines());

    }

}

abstract class ProductConfig extends BuildConfig {

    protected void init(Vector includes, Vector defines) {

        defines.add("NDEBUG");

        defines.add("PRODUCT");

        super.init(includes, defines);

        getV("CompilerFlags").addAll(getCI().getProductCompilerFlags());