Add params to Rust functions

3 files changed, 77 insertions, 7 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 b751fae..432a4ba 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
@@ -114,7 +114,21 @@ public class RustWriter implements AutoCloseable {
     private void writeFunction(RustFunction function) throws IOException {
         this.writer.write("fn ");
         this.writeIdentifier(function.name());
-        this.writer.write("() {");
+        this.writer.write("(");
+
+        writeWithSeparator(
+            function.params(),
+            param -> {
+                this.writeIdentifier(param.name());
+                this.writer.write(": ");
+                this.writeType(param.type());
+            },
+            () -> {
+                this.writer.write(", ");
+            }
+        );
+
+        this.writer.write(") {");
         this.writer.newLine();
         this.writer.write("}");
     }
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustFunction.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustFunction.java
index aea16f0..984aae4 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustFunction.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustFunction.java
@@ -5,22 +5,38 @@ package org.zwobble.hobgoblin.compiler.output.lang.rust.ast;
 // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction imports
 // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction imports
 
-public record RustFunction(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIdentifier name) implements org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustAssociatedItem {
+public record RustFunction(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIdentifier name, java.util.List<org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam> params) implements org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustAssociatedItem {
     public static org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction.Builder arbitrary() {
-        return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction.Builder(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIdentifier.arbitrary().build());
+        return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction.Builder(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIdentifier.arbitrary().build(), java.util.List.of());
     }
 
-    public record Builder(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIdentifier name) implements org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustAssociatedItem.Builder {
+    public record Builder(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIdentifier name, java.util.List<org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam> params) implements org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustAssociatedItem.Builder {
         public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction build() {
-            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction(name);
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction(name, params);
         }
 
         public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction.Builder withName(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIdentifier name) {
-            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction.Builder(name);
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction.Builder(name, params);
         }
 
         public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction.Builder withName(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIdentifier.Builder name) {
-            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction.Builder(name.build());
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction.Builder(name.build(), params);
+        }
+
+        public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction.Builder withParams(java.util.List<org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam> params) {
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction.Builder(name, params);
+        }
+
+        public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction.Builder addParam(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam param) {
+            var params = new java.util.ArrayList<org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam>(this.params);
+            params.add(param);
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction.Builder(name, params);
+        }
+
+        public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction.Builder addParam(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam.Builder param) {
+            var params = new java.util.ArrayList<org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam>(this.params);
+            params.add(param.build());
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction.Builder(name, params);
         }
 
         // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction.Builder body
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustFunctionParam.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustFunctionParam.java
new file mode 100644
index 0000000..f5ec692
--- /dev/null
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustFunctionParam.java
@@ -0,0 +1,40 @@
+// Generated by hobgoblin.
+
+package org.zwobble.hobgoblin.compiler.output.lang.rust.ast;
+
+// Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam imports
+// Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam imports
+
+public record RustFunctionParam(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIdentifier name, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustType type) {
+    public static org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam.Builder arbitrary() {
+        return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam.Builder(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIdentifier.arbitrary().build(), org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTypePath.arbitrary().build());
+    }
+
+    public record Builder(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIdentifier name, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustType type) {
+        public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam build() {
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam(name, type);
+        }
+
+        public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam.Builder withName(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIdentifier name) {
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam.Builder(name, type);
+        }
+
+        public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam.Builder withName(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIdentifier.Builder name) {
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam.Builder(name.build(), type);
+        }
+
+        public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam.Builder withType(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustType type) {
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam.Builder(name, type);
+        }
+
+        public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam.Builder withType(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustType.Builder type) {
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam.Builder(name, type.build());
+        }
+
+        // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam.Builder body
+        // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam.Builder body
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam body
+    // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionParam body
+}