com.redhat.ceylon.model.loader.NamingBase Maven / Gradle / Ivy

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package com.redhat.ceylon.model.loader;

import com.redhat.ceylon.model.loader.model.FieldValue;
import com.redhat.ceylon.model.loader.model.JavaBeanValue;
import com.redhat.ceylon.model.loader.model.OutputElement;
import com.redhat.ceylon.model.typechecker.model.Class;
import com.redhat.ceylon.model.typechecker.model.Declaration;
import com.redhat.ceylon.model.typechecker.model.Interface;
import com.redhat.ceylon.model.typechecker.model.ModelUtil;
import com.redhat.ceylon.model.typechecker.model.TypedDeclaration;
import com.redhat.ceylon.model.typechecker.model.Value;

public class NamingBase {

    public static final String OLD_MODULE_DESCRIPTOR_CLASS_NAME = "module_";
    public static final String MODULE_DESCRIPTOR_CLASS_NAME = "$module_";
    public static final String PACKAGE_DESCRIPTOR_CLASS_NAME = "$package_";

    /**
     * A synthetic name, or part of a synthetic name 
     */
    interface Affix {
    }
    
    /**
     * An internally used identifier (not used as a prefix or suffix).
     * Should start and end with a {@code $} and contain no {@code $}
     */
    public enum Unfix implements Affix {
        ref,
        set_,
        get_,
        value,
        
        $name$,
        $annotationSequence$,
        $array$,
        $call$,
        $callvariadic$,
        $calltyped$,
        $element$,
        $evaluate$,
        $get$,
        $getArray$,
        $getFirst$,
        $getLength$,
        $getType$,
        $getIterables$,
        $index$,
        $initException$,
        $instance$,
        $invoke$,
        $lookup$,
        $refine$,
        $return$,
        $sb$,
        $spreadVarargs$,
        $TypeDescriptor$,
        $apply$, apply,
        
        $serialize$,
        deconstructor,
        $references$,
        $set$,
        reference,
        instance, $isMember$
    }
    
    /**
     * Enumerates suffixes used in synthetic names.
     * 
     * Should start and end with a {@code $} and contain no {@code $}
     */
    public enum Suffix implements Affix {
        $delegation$,
        $aliased$,
        $annotation$,
        $annotations$,
        $arg$,
        $args$,
        $argthis$,
        $callable$,
        $canonical$,
        $element$,
        $exhausted$,
        $getter$,
        $impl, // special case, since it's used in type names
        $iterable$,
        $iteration$,
        $iterator$,
        $new$,
        $param$,
        $priv$,
        $qual$,
        $reified$,
        $sb$,
        $setter$,
        $specifier$,
        $this$,
        $variadic$, 
    }
    
    /**
     * Enumerates prefixes used in synthetic names.
     * 
     * Should start and end with a {@code $} and contain no {@code $}
     */
    public enum Prefix implements Affix {
        $next$,
        $arg$,
        $ceylontmp$,
        $default$,
        $init$,
        $iterator$,
        $reified$,
        $superarg$,
        $pattern$,
        $instance$, $array$
    }

    public static String suffixName(Suffix suffix, String s) {
        return s + suffix.toString();
    }

    public static String getAliasInstantiatorMethodName(Class model) {
        String name = suffixName(Suffix.$aliased$, model.getName());
        if (!model.isShared()) {
            name = suffixName(Suffix.$priv$, name);
        }
        return name;
    }

    /**
     * Removes any leading $ from the given string.
     */
    public static String stripLeadingDollar(String str){
        return (str.charAt(0) == '$') ? str.substring(1) : str;
    }

    public static String capitalize(String str){
        return new StringBuilder().appendCodePoint(Character.toUpperCase(str.codePointAt(0))).append(str.substring(Character.isSurrogate(str.charAt(0)) ? 2 : 1)).toString();
    }

    public static String getDisambigAnnoCtorName(Interface iface, OutputElement target) {
        return getJavaBeanName(iface.getName())+"__"+target;
    }

    /**
     * Turns:
     * - UrlDecoder -> urlDecoder
     * - URLDecoder -> urlDecoder
     * - urlDecoder -> urlDecoder
     * - URL -> url
     */
    public static String getJavaBeanName(String name) {
        // See https://github.com/ceylon/ceylon-compiler/issues/340
        // make it lowercase until the first non-uppercase
        
        int[] newName = new int[name.codePointCount(0, name.length())];
        // fill the code point array; String has no getCodePointArray()
        for(int charIndex=0,codePointIndex=0;charIndex urlDecoder
                if(i > 1){
                    newName[i-1] = Character.toUpperCase(newName[i-1]);
                }
                break;
            }
            newName[i] = Character.toLowerCase(codepoint);
        }
        return new String(newName, 0, newName.length);
    }

    /**
     * Turns:
     * - urlDecoder -> URLDecoder
     * - url -> URL
     * Warning: also turns:
     * - uRLDecoder -> URLDecoder (which is then decoded to urlDecoder instead of the original, so we need to guard)
     */
    public static String getReverseJavaBeanName(String name){
        // turns urlDecoder -> URLDecoder
        for(int i=0; istrongly discouraged. 
     * Its public modifier will be removed at a future date.
     */
    public static String getGetterName(String property) {
        return "get"+capitalize(stripLeadingDollar(property));
    }

    /** 
     * @deprecated Use of this method outside this package is 
     * strongly discouraged. 
     * Its public modifier will be removed at a future date.
     */
    public static String getSetterName(String property){
        return "set"+capitalize(stripLeadingDollar(property));
    }

    public static String name(Unfix unfix) {
        return unfix.toString();
    }
}