Add borrow expressions to Rust AST

4 files changed, 61 insertions, 1 deletions

diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriter.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriter.java
index 60641c8..c0550fd 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriter.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriter.java
@@ -324,6 +324,10 @@ public class RustWriter implements AutoCloseable {
             case RustPath path -> {
                 this.writePath(path);
             }
+            
+            case RustPrefixExpression prefixExpression -> {
+                this.writePrefixExpression(prefixExpression);
+            }
 
             case RustStructExpression structExpression -> {
                 this.writeStructExpression(structExpression);
@@ -373,6 +377,13 @@ public class RustWriter implements AutoCloseable {
         this.writeIdentifier(fieldExpression.fieldName());
     }
 
+    private void writePrefixExpression(RustPrefixExpression prefixExpression) throws IOException {
+        this.writer.write(switch (prefixExpression.operator()) {
+            case BORROW -> "&";
+        });
+        this.writeExpression(prefixExpression.operand());
+    }
+
     private void writeStructExpression(RustStructExpression structExpression) throws IOException {
         this.writePath(structExpression.structPath());
         this.writer.write(" {");
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustExpression.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustExpression.java
index 3a14bec..9d6fdcb 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustExpression.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustExpression.java
@@ -5,7 +5,7 @@ package org.zwobble.hobgoblin.compiler.output.lang.rust.ast;
 // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustExpression imports
 // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustExpression imports
 
-public sealed interface RustExpression permits org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustBlockExpression, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustBoolLiteral, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustCallExpression, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFieldExpression, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPath, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustStructExpression {
+public sealed interface RustExpression permits org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustBlockExpression, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustBoolLiteral, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustCallExpression, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFieldExpression, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPath, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixExpression, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustStructExpression {
     public interface Builder {
         public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustExpression build();
 
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustPrefixExpression.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustPrefixExpression.java
new file mode 100644
index 0000000..540312f
--- /dev/null
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustPrefixExpression.java
@@ -0,0 +1,36 @@
+// Generated by hobgoblin.
+
+package org.zwobble.hobgoblin.compiler.output.lang.rust.ast;
+
+// Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixExpression imports
+// Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixExpression imports
+
+public record RustPrefixExpression(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixOperator operator, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustExpression operand) implements org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustExpression {
+    public static org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixExpression.Builder arbitrary() {
+        return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixExpression.Builder(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixOperator.BORROW, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustBlockExpression.arbitrary().build());
+    }
+
+    public record Builder(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixOperator operator, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustExpression operand) implements org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustExpression.Builder {
+        public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixExpression build() {
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixExpression(operator, operand);
+        }
+
+        public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixExpression.Builder withOperator(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixOperator operator) {
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixExpression.Builder(operator, operand);
+        }
+
+        public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixExpression.Builder withOperand(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustExpression operand) {
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixExpression.Builder(operator, operand);
+        }
+
+        public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixExpression.Builder withOperand(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustExpression.Builder operand) {
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixExpression.Builder(operator, operand.build());
+        }
+
+        // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixExpression.Builder body
+        // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixExpression.Builder body
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixExpression body
+    // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixExpression body
+}
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustPrefixOperator.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustPrefixOperator.java
new file mode 100644
index 0000000..d5c69c1
--- /dev/null
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustPrefixOperator.java
@@ -0,0 +1,13 @@
+// Generated by hobgoblin.
+
+package org.zwobble.hobgoblin.compiler.output.lang.rust.ast;
+
+// Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixOperator imports
+// Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixOperator imports
+
+public enum RustPrefixOperator {
+    BORROW
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixOperator body
+    // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixOperator body
+}