Add parse structure for testing

src/main/java/ch/njol/skript/test/runner/ExprParseLogs.java

@@ -40,14 +40,17 @@ public class ExprParseLogs extends SimpleExpression<String> {
 		Skript.registerExpression(ExprParseLogs.class, String.class, ExpressionType.SIMPLE, "[the] [last] parse logs");
 	}
 
+	@Nullable
+	public static String[] lastLogs;
+
 	@Override
 	public boolean init(Expression<?>[] exprs, int matchedPattern, Kleenean isDelayed, ParseResult parseResult) {
 		return true;
 	}
 
 	@Override
 	protected String[] get(Event event) {
-		return SecParse.lastLogs;
+		return lastLogs;
 	}
 
 	@Override

src/main/java/ch/njol/skript/test/runner/SecParse.java

@@ -46,8 +46,6 @@ public class SecParse extends Section {
 		Skript.registerSection(SecParse.class, "parse");
 	}
 
-	@Nullable
-	public static String[] lastLogs;
 	private String[] logs;
 
 	@Override
@@ -74,7 +72,7 @@ public boolean init(Expression<?>[] exprs, int matchedPattern, Kleenean isDelaye
 
 	@Override
 	protected @Nullable TriggerItem walk(Event event) {
-		lastLogs = logs;
+		ExprParseLogs.lastLogs = logs;
 		return walk(event, false);
 	}
 

src/main/java/ch/njol/skript/test/runner/StructParse.java

@@ -0,0 +1,116 @@
+/**
+ *   This file is part of Skript.
+ *
+ *  Skript is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Skript 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 for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Skript.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Copyright Peter Güttinger, SkriptLang team and contributors
+ */
+package ch.njol.skript.test.runner;
+
+import ch.njol.skript.ScriptLoader;
+import ch.njol.skript.Skript;
+import ch.njol.skript.classes.Changer;
+import ch.njol.skript.classes.Changer.ChangeMode;
+import ch.njol.skript.classes.Changer.ChangerUtils;
+import ch.njol.skript.config.Node;
+import ch.njol.skript.config.SectionNode;
+import ch.njol.skript.doc.Description;
+import ch.njol.skript.doc.Name;
+import ch.njol.skript.doc.NoDoc;
+import ch.njol.skript.lang.Expression;
+import ch.njol.skript.lang.Literal;
+import ch.njol.skript.lang.util.ContextlessEvent;
+import ch.njol.skript.log.LogEntry;
+import ch.njol.skript.log.RetainingLogHandler;
+import ch.njol.skript.log.SkriptLogger;
+import com.google.common.collect.Iterables;
+import org.bukkit.event.Event;
+import org.eclipse.jdt.annotation.Nullable;
+import org.skriptlang.skript.lang.entry.EntryContainer;
+import org.skriptlang.skript.lang.entry.EntryValidator;
+import org.skriptlang.skript.lang.entry.util.ExpressionEntryData;
+import org.skriptlang.skript.lang.structure.Structure;
+
+import static ch.njol.skript.lang.SkriptParser.ParseResult;
+
+
+@Name("Parse Structure")
+@Description("Parses the code inside this structure as a structure and use 'parse logs' to grab any logs from it.")
+@NoDoc
+public class StructParse extends Structure {
+
+	static {
+		Skript.registerStructure(StructParse.class, "parse");
+	}
+
+	private static EntryValidator validator = EntryValidator.builder()
+		.addEntryData(new ExpressionEntryData<>("results", null, false, Object.class))
+		.addSection("code", false)
+		.build();
+
+	private SectionNode structureSectionNodeToParse;
+	private String[] logs;
+	private Expression<?> resultsExpression;
+
+	@Override
+	public boolean init(Literal<?>[] args, int matchedPattern, ParseResult parseResult, EntryContainer entryContainer) {
+		SectionNode parseStructureSectionNode = entryContainer.getSource();
+
+		Class<? extends Event>[] originalEvents = getParser().getCurrentEvents();
+		getParser().setCurrentEvent("parse", ContextlessEvent.class);
+		EntryContainer validatedEntries = validator.validate(parseStructureSectionNode);
+		getParser().setCurrentEvents(originalEvents);
+		if (validatedEntries == null) {
+			Skript.error("A parse structure must have a result entry and a code section");
+			return false;
+		}
+		Expression<?> maybeResultsExpression = (Expression<?>) validatedEntries.get("results", false);
+		if (!ChangerUtils.acceptsChange(maybeResultsExpression, ChangeMode.SET, String[].class)) {
+			Skript.error(maybeResultsExpression.toString(null, false) + " cannot be set to strings");
+		}
+		SectionNode codeSectionNode = (SectionNode) validatedEntries.get("code", false);
+		Node maybeStructureSectionNodeToParse = Iterables.getFirst(codeSectionNode, null);
+		if (Iterables.size(codeSectionNode) != 1 || !(maybeStructureSectionNodeToParse instanceof SectionNode)) {
+			Skript.error("The code section must contain a single section to parse as a structure");
+		}
+		resultsExpression = maybeResultsExpression;
+		structureSectionNodeToParse = (SectionNode) maybeStructureSectionNodeToParse;
+		return true;
+	}
+
+	@Override
+	public boolean postLoad() {
+		resultsExpression.change(ContextlessEvent.get(), logs, ChangeMode.SET);
+		return true;
+	}
+
+	@Override
+	public boolean load() {
+		try (RetainingLogHandler handler = SkriptLogger.startRetainingLog()) {
+			String structureSectionNodeKey = ScriptLoader.replaceOptions(structureSectionNodeToParse.getKey());
+			String error = "Can't understand this structure: " + structureSectionNodeKey;
+			Structure.parse(structureSectionNodeKey, structureSectionNodeToParse, error);
+			logs = handler.getLog().stream()
+				.map(LogEntry::getMessage)
+				.toArray(String[]::new);
+		}
+		return true;
+	}
+
+	@Override
+	public String toString(@Nullable Event event, boolean debug) {
+		return "parse";
+	}
+
+}

src/test/skript/tests/syntaxes/structures/StructParse.sk

@@ -0,0 +1,11 @@
+parse:
+  results: {StructParse::parse::*}
+  code:
+    parse:
+      results: "oops"
+      code:
+        on script load:
+          broadcast "hi"
+
+test "StructParse":
+  assert {StructParse::parse::*} contains """oops"" cannot be set to strings" with "StructParse error not found"