Groovyc can now accept .wvc files.

view-components/src/main/java/groowt/view/component/compiler/ComponentTemplateCompileException.java

@@ -23,14 +23,14 @@ public class ComponentTemplateCompileException extends Exception {
     @Override
     public String getMessage() {
         final var sb = new StringBuilder("Error in ").append(compileUnit.getSource().getDescription());
-        final @Nullable String position = this.getPosition();
+        final @Nullable String position = this.formatPosition();
         if (position != null) {
             sb.append(" at ").append(position);
         }
         return sb.append(": ").append(super.getMessage()).toString();
     }
 
-    protected @Nullable String getPosition() {
+    protected @Nullable String formatPosition() {
         return null;
     }
 

web-views/build.gradle

@@ -133,6 +133,16 @@ tasks.register('toolsJar', Jar) {
     dependsOn tasks.named('jar')
 }
 
+tasks.register('uberJar', Jar) {
+    group = 'build'
+    archiveBaseName = 'web-views-uber'
+    from sourceSets.main.output
+    from sourceSets.main.runtimeClasspath.filter(File.&exists).collect {
+        it.isDirectory() ? it : zipTree(it)
+    }
+    duplicatesStrategy = DuplicatesStrategy.EXCLUDE
+}
+
 @NullCheck
 class ToolSpec {
 

web-views/groovycTest

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+if [ "$1" == "--debug" ]; then
+  gradle -q uberJar && \
+    java -agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=*:8192 \
+      -cp build/libs/web-views-uber-0.1.0.jar \
+      org.codehaus.groovy.tools.FileSystemCompiler \
+      --configscript src/main/resources/groowt/view/web/groovyc/GroovycConfigurationScript.groovy \
+      -d groovyc-out \
+      sketching/helloTarget.wvc
+else
+  gradle -q uberJar && \
+    groovyc -cp build/libs/web-views-uber-0.1.0.jar \
+      --configscript src/main/resources/groowt/view/web/groovyc/GroovycConfigurationScript.groovy \
+      -d groovyc-out \
+      sketching/helloTarget.wvc
+fi

web-views/src/main/java/groowt/view/web/compiler/WebViewComponentTemplateCompileException.java

@@ -2,8 +2,8 @@ package groowt.view.web.compiler;
 
 import groowt.view.component.compiler.ComponentTemplateCompileException;
 import groowt.view.component.compiler.ComponentTemplateCompileUnit;
-import groowt.view.web.antlr.TokenUtil;
 import groowt.view.web.ast.node.Node;
+import groowt.view.web.util.SourcePosition;
 import org.antlr.v4.runtime.ParserRuleContext;
 import org.antlr.v4.runtime.tree.TerminalNode;
 import org.jetbrains.annotations.Nullable;
@@ -60,14 +60,25 @@ public class WebViewComponentTemplateCompileException extends ComponentTemplateC
         this.node = node;
     }
 
-    @Override
-    protected @Nullable String getPosition() {
+    public @Nullable SourcePosition getSourcePosition() {
         if (this.node != null) {
-            return this.node.getTokenRange().getStartPosition().toStringLong();
+            return this.node.getTokenRange().getStartPosition();
         } else if (this.parserRuleContext != null) {
-            return TokenUtil.formatTokenPosition(this.parserRuleContext.start);
+            final var start = this.parserRuleContext.start;
+            return new SourcePosition(start.getLine(), start.getCharPositionInLine() + 1);
         } else if (this.terminalNode != null) {
-            return TokenUtil.formatTokenPosition(terminalNode.getSymbol());
+            final var symbol = terminalNode.getSymbol();
+            return new SourcePosition(symbol.getLine(), symbol.getCharPositionInLine() + 1);
+        } else {
+            return null;
+        }
+    }
+
+    @Override
+    protected @Nullable String formatPosition() {
+        final SourcePosition sourcePosition = this.getSourcePosition();
+        if (sourcePosition != null) {
+            return sourcePosition.toStringLong();
         } else {
             return null;
         }

web-views/src/main/java/groowt/view/web/groovyc/DelegatingWvcParserPlugin.java

@@ -0,0 +1,184 @@
+package groowt.view.web.groovyc;
+
+import groowt.view.component.compiler.ComponentTemplateCompileException;
+import groowt.view.component.compiler.DefaultComponentTemplateCompilerConfiguration;
+import groowt.view.component.compiler.source.ComponentTemplateSource;
+import groowt.view.web.analysis.MismatchedComponentTypeAnalysis;
+import groowt.view.web.analysis.MismatchedComponentTypeError;
+import groowt.view.web.antlr.*;
+import groowt.view.web.ast.DefaultAstBuilder;
+import groowt.view.web.ast.DefaultNodeFactory;
+import groowt.view.web.ast.node.CompilationUnitNode;
+import groowt.view.web.compiler.AnonymousWebViewComponent;
+import groowt.view.web.compiler.MultipleWebViewComponentCompileErrorsException;
+import groowt.view.web.compiler.WebViewComponentTemplateCompileException;
+import groowt.view.web.compiler.WebViewComponentTemplateCompileUnit;
+import groowt.view.web.transpile.DefaultGroovyTranspiler;
+import groowt.view.web.util.SourcePosition;
+import org.antlr.v4.runtime.ParserRuleContext;
+import org.antlr.v4.runtime.Token;
+import org.antlr.v4.runtime.tree.TerminalNode;
+import org.antlr.v4.runtime.tree.Tree;
+import org.apache.groovy.parser.antlr4.Antlr4ParserPlugin;
+import org.codehaus.groovy.ast.ModuleNode;
+import org.codehaus.groovy.control.CompilationFailedException;
+import org.codehaus.groovy.control.ParserPlugin;
+import org.codehaus.groovy.control.SourceUnit;
+import org.codehaus.groovy.syntax.ParserException;
+import org.codehaus.groovy.syntax.Reduction;
+
+import java.io.IOException;
+import java.io.Reader;
+import java.util.List;
+
+public class DelegatingWvcParserPlugin implements ParserPlugin {
+
+    private final Antlr4ParserPlugin groovyParserPlugin;
+
+    public DelegatingWvcParserPlugin(Antlr4ParserPlugin groovyParserPlugin) {
+        this.groovyParserPlugin = groovyParserPlugin;
+    }
+
+    @Override
+    public Reduction parseCST(SourceUnit sourceUnit, Reader reader) throws CompilationFailedException {
+        return this.groovyParserPlugin.parseCST(sourceUnit, reader); // returns null
+    }
+
+    protected WebViewComponentTemplateCompileException getException(
+            WebViewComponentTemplateCompileUnit compileUnit,
+            TerminalNode terminalNode
+    ) {
+        final Token offending = terminalNode.getSymbol();
+        final var exception = new WebViewComponentTemplateCompileException(
+                compileUnit, "Invalid token '" + TokenUtil.excerptToken(offending) + "'."
+        );
+        exception.setTerminalNode(terminalNode);
+        return exception;
+    }
+
+    protected WebViewComponentTemplateCompileException getException(
+            WebViewComponentTemplateCompileUnit compileUnit,
+            ParserRuleContext parserRuleContext
+    ) {
+        final var exception = new WebViewComponentTemplateCompileException(
+                compileUnit,
+                "Parser error: " + parserRuleContext.exception.getMessage(),
+                parserRuleContext.exception
+        );
+        exception.setParserRuleContext(parserRuleContext);
+        return exception;
+    }
+
+    protected WebViewComponentTemplateCompileException getException(
+            WebViewComponentTemplateCompileUnit compileUnit,
+            Tree tree
+    ) {
+        if (tree instanceof ParserRuleContext parserRuleContext) {
+            return getException(compileUnit, parserRuleContext);
+        } else if (tree instanceof TerminalNode terminalNode) {
+            return getException(compileUnit, terminalNode);
+        } else {
+            return new WebViewComponentTemplateCompileException(
+                    compileUnit,
+                    "Error at parser/lexer node " + tree.toString()
+            );
+        }
+    }
+
+    protected WebViewComponentTemplateCompileException getException(
+            WebViewComponentTemplateCompileUnit compileUnit,
+            MismatchedComponentTypeError error
+    ) {
+        final var exception = new WebViewComponentTemplateCompileException(
+                compileUnit,
+                error.getMessage()
+        );
+        exception.setParserRuleContext(error.getComponent());
+        return exception;
+    }
+
+    protected ParserException translateException(ComponentTemplateCompileException e) {
+        final var actual = (WebViewComponentTemplateCompileException) e;
+        final SourcePosition sourcePosition = actual.getSourcePosition();
+        if (sourcePosition != null) {
+            return new ParserException(e.getMessage(), e, sourcePosition.line(), sourcePosition.column());
+        } else {
+            return new ParserException(e.getMessage(), e, -1, -1);
+        }
+    }
+
+    @Override
+    public ModuleNode buildAST(SourceUnit sourceUnit, ClassLoader classLoader, Reduction cst) throws ParserException {
+        final String sourceUnitName = sourceUnit.getName();
+        if (sourceUnitName.endsWith(".wvc")) {
+            final var compileUnit = new WebViewComponentTemplateCompileUnit(
+                    AnonymousWebViewComponent.class,
+                    ComponentTemplateSource.of(sourceUnit.getSource().getURI()),
+                    "groowt.view.web.groovyc"
+            );
+
+            final CompilationUnitParseResult parseResult;
+            try {
+                parseResult = ParserUtil.parseCompilationUnit(sourceUnit.getSource().getReader());
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+
+            // check for parser/lexer errors
+            final var parseErrors = AntlrUtil.findErrorNodes(parseResult.getCompilationUnitContext());
+            if (!parseErrors.isEmpty()) {
+                if (parseErrors.getErrorCount() == 1) {
+                    final var errorNode = parseErrors.getAll().getFirst();
+                    throw this.translateException(getException(compileUnit, errorNode));
+                } else {
+                    final var errorExceptions = parseErrors.getAll().stream()
+                            .map(errorNode -> getException(compileUnit, errorNode))
+                            .toList();
+                    throw this.translateException(new MultipleWebViewComponentCompileErrorsException(
+                            compileUnit,
+                            errorExceptions
+                    ));
+                }
+            }
+
+            // check for mismatched type errors
+            final List<MismatchedComponentTypeError> mismatchedComponentTypeErrors =
+                    MismatchedComponentTypeAnalysis.check(parseResult.getCompilationUnitContext());
+
+            if (!mismatchedComponentTypeErrors.isEmpty()) {
+                if (mismatchedComponentTypeErrors.size() == 1) {
+                    throw new RuntimeException(getException(compileUnit, mismatchedComponentTypeErrors.getFirst()));
+                } else {
+                    final var errorExceptions = mismatchedComponentTypeErrors.stream()
+                            .map(error -> getException(compileUnit, error))
+                            .toList();
+                    throw this.translateException(new MultipleWebViewComponentCompileErrorsException(
+                            compileUnit,
+                            errorExceptions
+                    ));
+                }
+            }
+
+            // build ast
+            final var tokenList = new TokenList(parseResult.getTokenStream());
+            final var astBuilder = new DefaultAstBuilder(new DefaultNodeFactory(tokenList));
+            final var cuNode = (CompilationUnitNode) astBuilder.build(parseResult.getCompilationUnitContext());
+
+            final var groovyTranspiler = new DefaultGroovyTranspiler();
+            try {
+                final SourceUnit transpiledSourceUnit = groovyTranspiler.transpile(
+                        new DefaultComponentTemplateCompilerConfiguration(),
+                        compileUnit,
+                        cuNode,
+                        sourceUnitName.substring(0, sourceUnitName.length() - 4)
+                );
+                return transpiledSourceUnit.getAST();
+            } catch (ComponentTemplateCompileException e) {
+                throw this.translateException(e);
+            }
+        } else {
+            return this.groovyParserPlugin.buildAST(sourceUnit, classLoader, cst);
+        }
+    }
+
+}

web-views/src/main/java/groowt/view/web/groovyc/WvcParserPluginFactory.java

@@ -0,0 +1,14 @@
+package groowt.view.web.groovyc;
+
+import org.apache.groovy.parser.antlr4.Antlr4ParserPlugin;
+import org.codehaus.groovy.control.ParserPlugin;
+import org.codehaus.groovy.control.ParserPluginFactory;
+
+public class WvcParserPluginFactory extends ParserPluginFactory {
+
+    @Override
+    public ParserPlugin createParserPlugin() {
+        return new DelegatingWvcParserPlugin(new Antlr4ParserPlugin());
+    }
+
+}

web-views/src/main/resources/META-INF/services/org.codehaus.groovy.source.Extensions

@@ -0,0 +1 @@
+.wvc

web-views/src/main/resources/groowt/view/web/groovyc/GroovycConfigurationScript.groovy

@@ -0,0 +1 @@
+configuration.pluginFactory = new groowt.view.web.groovyc.WvcParserPluginFactory()