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https://github.com/aNNiMON/Own-Programming-Language-Tutorial.git
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Добавлены подсказки автодополнения
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@ -5,6 +5,7 @@ import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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/**
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*
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@ -105,6 +106,10 @@ public final class Lexer {
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KEYWORDS.put("include", TokenType.INCLUDE);
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}
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public static Set<String> getKeywords() {
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return KEYWORDS.keySet();
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}
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private final String input;
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private final int length;
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@ -14,6 +14,7 @@ import com.annimon.ownlang.parser.ast.BlockStatement;
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import com.annimon.ownlang.parser.ast.Statement;
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import com.annimon.ownlang.parser.visitors.PrintVisitor;
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import com.annimon.ownlang.utils.repl.JLineConsole;
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import com.annimon.ownlang.utils.repl.OwnLangCompleter;
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import com.annimon.ownlang.utils.repl.ReplConsole;
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import com.annimon.ownlang.utils.repl.SystemConsole;
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import java.io.IOException;
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@ -22,6 +23,7 @@ import java.util.List;
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import java.util.Locale;
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import java.util.Map;
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import java.util.stream.Collectors;
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import jline.console.completer.CandidateListCompletionHandler;
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public final class Repl {
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@ -91,7 +93,12 @@ public final class Repl {
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private static ReplConsole initReplConsole() {
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try {
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return new JLineConsole();
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JLineConsole jline = new JLineConsole();
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CandidateListCompletionHandler handler = new CandidateListCompletionHandler();
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handler.setPrintSpaceAfterFullCompletion(false);
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jline.getConsole().setCompletionHandler(handler);
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jline.getConsole().addCompleter(new OwnLangCompleter(HELP, VARS, FUNCS, SOURCE, RESET, EXIT));
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return jline;
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} catch (IOException ioe) {
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return new SystemConsole();
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}
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@ -0,0 +1,34 @@
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package com.annimon.ownlang.utils.repl;
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import com.annimon.ownlang.lib.Functions;
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import com.annimon.ownlang.lib.Variables;
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import com.annimon.ownlang.parser.Lexer;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import jline.console.completer.StringsCompleter;
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public final class OwnLangCompleter extends StringsCompleter {
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private final Set<String> staticCandidates;
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public OwnLangCompleter(String... candidates) {
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staticCandidates = new HashSet<>();
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Collections.addAll(staticCandidates, candidates);
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}
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@Override
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public int complete(String buffer, int cursor, List<CharSequence> candidates) {
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updateCandidates();
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return super.complete(buffer, cursor, candidates);
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}
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private void updateCandidates() {
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getStrings().clear();
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getStrings().addAll(Lexer.getKeywords());
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getStrings().addAll(staticCandidates);
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getStrings().addAll(Variables.variables().keySet());
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getStrings().addAll(Functions.getFunctions().keySet());
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}
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}
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