Add Java highlighting

assets/highlighting-tests/java.java

@@ -0,0 +1,131 @@
+// Line comment
+/* Block comment */
+/** Javadoc @param x @return y */
+
+package com.example.highlighting;
+
+import java.util.List;
+import java.util.ArrayList;
+import static java.lang.Math.max;
+import java.util.*;
+
+const int CONST = 0;
+goto label;
+
+open module com.example {
+    requires transitive java.base;
+    exports com.example.pkg to other.module;
+    opens com.example.internal;
+    provides Greeter with Dog;
+    uses Greeter;
+}
+
+enum Color { RED, GREEN, BLUE }
+
+record Point(int x, int y) {
+    Point {
+        if (x < 0) throw new IllegalArgumentException();
+    }
+}
+
+sealed interface Shape permits Circle {}
+non-sealed class Circle implements Shape {}
+
+@FunctionalInterface
+interface Greeter<T extends Comparable<T>> {
+    String greet(T name);
+    default boolean ok() { return true; }
+}
+
+@Deprecated
+public abstract strictfp class Animal implements Comparable<Animal> {
+    // Numbers
+    static final int I = 42, HEX = 0xFF, BIN = 0b1010, OCT = 077, US = 1_000_000;
+    static final long L = 0xCAFE_BABEL;
+    static final double D = 3.14, E = 1.5e-3, HALF = .5;
+    static final float F = 3.14f;
+    private byte b;
+    protected short s;
+    private volatile transient int flags;
+
+    // Strings, char, escapes, text block
+    String str = "quotes \" \n \t \\ \u00e9";
+    char c = '\n';
+    String block = """
+        text block
+        with "quotes"
+        """;
+
+    Animal() { super(); }
+
+    native void nativeMethod();
+
+    abstract String speak() throws Exception;
+
+    @Override
+    public synchronized int compareTo(Animal o) {
+        return this.flags - o.flags;
+    }
+}
+
+final class Dog extends Animal {
+    String speak() { return "bark"; }
+
+    // Constants, control flow
+    void flow() {
+        boolean t = true, f = false;
+        Object n = null;
+
+        if (t) {
+        } else if (f) {
+        } else {
+        }
+
+        for (int i = 0; i < 10; i++) {
+            if (i == 5) continue;
+            if (i == 8) break;
+        }
+        for (int x : new int[] { 1, 2, 3 }) {}
+        while (f) {}
+        do {} while (f);
+
+        try {
+            throw new RuntimeException("oops");
+        } catch (RuntimeException e) {
+        } finally {
+        }
+
+        assert t : "message";
+        return;
+    }
+
+    // var, switch expression, yield, pattern guards, instanceof, lambda
+    <U> U run(Object obj) {
+        var list = new ArrayList<String>();
+        int r = switch (list.size()) {
+            case 1 -> 10;
+            case 2 -> { yield 20; }
+            default -> 0;
+        };
+        String desc = switch (obj) {
+            case Integer i when i > 0 -> "pos";
+            case String p -> "str";
+            default -> "other";
+        };
+        if (obj instanceof String p) {
+            System.out.println(p.length());
+        }
+        Greeter<String> g = name -> "Hi " + name;
+        return null;
+    }
+}
+
+// Function calls
+class Main {
+    public static void main(String[] args) {
+        System.out.println("hello");
+        int v = Integer.parseInt("42");
+        max(1, 2);
+        new Dog().speak();
+    }
+}

crates/edit/src/buffer/mod.rs

@@ -2187,6 +2187,8 @@ impl TextBuffer {
                     HighlightKind::MarkupList => Some(IndexedColor::BrightBlue),
                     HighlightKind::MarkupStrikethrough => None,
                     HighlightKind::MetaHeader => Some(IndexedColor::BrightBlue),
+                    HighlightKind::StorageAnnotation => Some(IndexedColor::Cyan),
+                    HighlightKind::StorageType => Some(IndexedColor::Cyan),
                 };
                 let attr = match curr.kind {
                     HighlightKind::MarkupBold => Some(Attributes::Bold),

crates/lsh/definitions/java.lsh

@@ -0,0 +1,55 @@
+#[display_name="Java"]
+#[path="**/*.java"]
+pub fn java() {
+    until /$/ {
+        yield other;
+
+        if /\/\/.*/ {
+            yield comment;
+        } else if /\/\*/ {
+            loop {
+                yield comment;
+                await input;
+                if /\*\// {
+                    yield comment;
+                    break;
+                }
+            }
+        } else if /"""/ {
+            loop {
+                yield string;
+                await input;
+                if /"""/ {
+                    yield string;
+                    break;
+                }
+            }
+        } else if /'/ {
+            single_quote_string();
+        } else if /"/ {
+            double_quote_string();
+        } else if /@[\w.]+/ {
+            yield storage.annotation;
+        } else if /(?:break|case|catch|continue|default|do|else|finally|for|if|return|switch|throw|try|while)\>/ {
+            yield keyword.control;
+        } else if /(?:abstract|assert|class|const|enum|exports|extends|final|goto|implements|import|instanceof|interface|module|native|new|non-sealed|open|opens|package|permits|private|protected|provides|public|record|requires|sealed|static|strictfp|super|synchronized|this|throws|transient|transitive|uses|var|volatile|with|yield)\>/ {
+            yield keyword.other;
+        } else if /(?:true|false|null)\>/ {
+            yield constant.language;
+        } else if /(?:boolean|byte|char|double|float|int|long|short|void)\>/ {
+            yield storage.type;
+        } else if /(?i:-?(?:0x[\da-f_]+|0b[01_]+|[\d_]+\.?[\d_]*|\.[\d_]+)(?:e[+-]?[\d_]+)?[dfl]?)/ {
+            if /\w+/ {
+                // Invalid numeric literal
+            } else {
+                yield constant.numeric;
+            }
+        } else if /(\w+)\s*\(/ {
+            yield $1 as method;
+        } else if /\w+/ {
+            // Gobble word chars to align the next iteration on a word boundary.
+        }
+
+        yield other;
+    }
+}