Skip to content

Use Groovy AST transformer system for adding @GMod #5

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Draft
wants to merge 1 commit into
base: main
Choose a base branch
from
Draft

Use Groovy AST transformer system for adding @GMod #5

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
25 changes: 16 additions & 9 deletions src/main/groovy/com/matyrobbrt/gml/internal/ScriptFileCompiler.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@

package com.matyrobbrt.gml.internal;

import com.matyrobbrt.gml.GMod;
import com.mojang.logging.LogUtils;
import cpw.mods.modlauncher.api.LamdbaExceptionUtils;
import groovy.lang.GroovyClassLoader;
Expand All @@ -14,6 +15,8 @@
import net.minecraftforge.fml.loading.moddiscovery.ModFile;
import net.minecraftforge.forgespi.language.ModFileScanData;
import net.minecraftforge.forgespi.locating.IModFile;
import org.codehaus.groovy.ast.ClassHelper;
import org.codehaus.groovy.ast.tools.GeneralUtils;
import org.codehaus.groovy.control.BytecodeProcessor;
import org.codehaus.groovy.control.CompilationUnit;
import org.codehaus.groovy.control.CompilerConfiguration;
Expand Down Expand Up @@ -90,24 +93,28 @@ void compile(ModFileScanData scanData) {
}

private void compileClasses(final List<Path> paths) throws IOException {
CompilationUnit unit = createCompilationUnit();
CompilationUnit unit = createCompilationUnit(paths.size() > 1);
paths.forEach(LamdbaExceptionUtils.rethrowConsumer(path -> unit.addSource(path.getFileName().toString().replace(".groovy", ""),
Files.readString(path))));

CompilationUnit.ClassgenCallback collector = createCollector(unit);
unit.setClassgenCallback(collector);
unit.compile(Phases.CONVERSION);
unit.compile(Phases.SEMANTIC_ANALYSIS);
for (final org.codehaus.groovy.ast.ClassNode classNode : unit.getAST().getClasses()) {
// add the @GMod(modId) annotation to the main class
if (classNode.getNameWithoutPackage().equals("Main")) {
final var modAnnotation = new org.codehaus.groovy.ast.AnnotationNode(ClassHelper.make(GMod.class));
modAnnotation.setMember("value", GeneralUtils.constX(modId));
classNode.addAnnotation(modAnnotation);
}
}
unit.compile(Phases.CLASS_GENERATION);
paths.forEach(LamdbaExceptionUtils.rethrowConsumer(Files::delete));
}

private CompilationUnit.ClassgenCallback createCollector(CompilationUnit unit) {
return (classVisitor, classNode) -> {
if (classNode.getNameWithoutPackage().equalsIgnoreCase("main")) {
final var annotation = classVisitor.visitAnnotation("Lcom/matyrobbrt/gml/GMod;", true);
annotation.visit("value", modId);
annotation.visitEnd();
}
byte[] data = ((ClassWriter) classVisitor).toByteArray();
BytecodeProcessor bytecodePostprocessor = unit.getConfiguration().getBytecodePostprocessor();
if (bytecodePostprocessor != null) {
Expand All @@ -125,12 +132,12 @@ private CompilationUnit.ClassgenCallback createCollector(CompilationUnit unit) {
}

@SuppressWarnings("removal")
private CompilationUnit createCompilationUnit() {
private CompilationUnit createCompilationUnit(final boolean useParallelParsing) {
final var compilerConfig = new CompilerConfiguration()
.addCompilationCustomizers(setupImports(new ImportCustomizer()));

compilerConfig.setOptimizationOptions(Map.of(
CompilerConfiguration.PARALLEL_PARSE, false,
CompilerConfiguration.PARALLEL_PARSE, useParallelParsing,
CompilerConfiguration.GROOVYDOC, true,
CompilerConfiguration.RUNTIME_GROOVYDOC, true
));
Expand Down Expand Up @@ -186,6 +193,6 @@ private ClassNode generateMainClass() {
}

public static boolean isScriptMod(IModFile file) {
return (boolean)file.getModFileInfo().getFileProperties().getOrDefault("groovyscript", false);
return (boolean) file.getModFileInfo().getFileProperties().getOrDefault("groovyscript", false);
}
}