From a8ad67dc75904eab189706ff3875d03ffe347ac8 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 25 Oct 2026 09:34:00 +0000
Subject: Parse calls

---
 .../compiler/ast/untyped/UntypedCallNode.java      | 60 ++++++++++++++++++++++
 .../ast/untyped/UntypedExpressionNode.java         |  2 +-
 .../zwobble/hobgoblin/compiler/parser/Parser.java  | 35 +++++++++++++
 3 files changed, 96 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedCallNode.java

(limited to 'src/main/java')

diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedCallNode.java b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedCallNode.java
new file mode 100644
index 0000000..2c19adb
--- /dev/null
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedCallNode.java
@@ -0,0 +1,60 @@
+// Generated by hobgoblin.
+
+package org.zwobble.hobgoblin.compiler.ast.untyped;
+
+// Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedCallNode imports
+// Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedCallNode imports
+
+public record UntypedCallNode(
+    org.zwobble.hobgoblin.compiler.ast.untyped.UntypedExpressionNode receiver,
+    java.util.List<org.zwobble.hobgoblin.compiler.ast.untyped.UntypedExpressionNode> args,
+    org.zwobble.hobgoblin.compiler.sources.Source source
+) implements org.zwobble.hobgoblin.compiler.ast.untyped.UntypedExpressionNode {
+    public static org.zwobble.hobgoblin.compiler.ast.untyped.UntypedCallNode.Builder arbitrary() {
+        return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedCallNode.Builder(org.zwobble.hobgoblin.compiler.ast.untyped.UntypedReferenceNode.arbitrary().build(), java.util.List.of(), org.zwobble.hobgoblin.compiler.sources.HobgoblinNativeSources.arbitrarySource());
+    }
+
+    public record Builder(
+        org.zwobble.hobgoblin.compiler.ast.untyped.UntypedExpressionNode receiver,
+        java.util.List<org.zwobble.hobgoblin.compiler.ast.untyped.UntypedExpressionNode> args,
+        org.zwobble.hobgoblin.compiler.sources.Source source
+    ) implements org.zwobble.hobgoblin.compiler.ast.untyped.UntypedExpressionNode.Builder {
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedCallNode build() {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedCallNode(receiver, args, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedCallNode.Builder withReceiver(org.zwobble.hobgoblin.compiler.ast.untyped.UntypedExpressionNode receiver) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedCallNode.Builder(receiver, args, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedCallNode.Builder withReceiver(org.zwobble.hobgoblin.compiler.ast.untyped.UntypedExpressionNode.Builder receiver) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedCallNode.Builder(receiver.build(), args, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedCallNode.Builder withArgs(java.util.List<org.zwobble.hobgoblin.compiler.ast.untyped.UntypedExpressionNode> args) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedCallNode.Builder(receiver, args, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedCallNode.Builder addArg(org.zwobble.hobgoblin.compiler.ast.untyped.UntypedExpressionNode arg) {
+            var args = new java.util.ArrayList<org.zwobble.hobgoblin.compiler.ast.untyped.UntypedExpressionNode>(this.args);
+            args.add(arg);
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedCallNode.Builder(receiver, args, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedCallNode.Builder addArg(org.zwobble.hobgoblin.compiler.ast.untyped.UntypedExpressionNode.Builder arg) {
+            var args = new java.util.ArrayList<org.zwobble.hobgoblin.compiler.ast.untyped.UntypedExpressionNode>(this.args);
+            args.add(arg.build());
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedCallNode.Builder(receiver, args, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedCallNode.Builder withSource(org.zwobble.hobgoblin.compiler.sources.Source source) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedCallNode.Builder(receiver, args, source);
+        }
+
+        // Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedCallNode.Builder body
+        // Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedCallNode.Builder body
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedCallNode body
+    // Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedCallNode body
+}
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedExpressionNode.java b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedExpressionNode.java
index b9c14e9..11f6b67 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedExpressionNode.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedExpressionNode.java
@@ -5,7 +5,7 @@ package org.zwobble.hobgoblin.compiler.ast.untyped;
 // Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedExpressionNode imports
 // Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedExpressionNode imports
 
-public sealed interface UntypedExpressionNode permits org.zwobble.hobgoblin.compiler.ast.untyped.UntypedMemberAccessNode, org.zwobble.hobgoblin.compiler.ast.untyped.UntypedReferenceNode {
+public sealed interface UntypedExpressionNode permits org.zwobble.hobgoblin.compiler.ast.untyped.UntypedCallNode, org.zwobble.hobgoblin.compiler.ast.untyped.UntypedMemberAccessNode, org.zwobble.hobgoblin.compiler.ast.untyped.UntypedReferenceNode {
     public interface Builder {
         public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedExpressionNode build();
 
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/parser/Parser.java b/src/main/java/org/zwobble/hobgoblin/compiler/parser/Parser.java
index 4620aaf..e15e97a 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/parser/Parser.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/parser/Parser.java
@@ -493,6 +493,40 @@ public class Parser {
         return new UntypedReferenceNode(name, source);
     }
 
+    private static final OperationParser<OperatorPrecedence, UntypedExpressionNode> CALL_PARSER = new OperationParser<>() {
+        @Override
+        public OperatorPrecedence precedence() {
+            return OperatorPrecedence.CALL;
+        }
+
+        @Override
+        public List<TokenType> operatorTokenTypes() {
+            return List.of(TokenType.SYMBOL_PAREN_OPEN);
+        }
+
+        @Override
+        public UntypedExpressionNode parse(
+            SourcePosition start,
+            UntypedExpressionNode left,
+            TokenIterator tokens
+        ) {
+            tokens.skip(TokenType.SYMBOL_PAREN_OPEN);
+
+            var args = parseMany(
+                () -> tokens.isNext(TokenType.SYMBOL_PAREN_CLOSE),
+                () -> parseTopLevelExpression(tokens),
+                () -> tokens.trySkip(TokenType.SYMBOL_COMMA)
+            );
+
+            tokens.skip(TokenType.SYMBOL_PAREN_CLOSE);
+
+            var end = tokens.endPosition();
+            var source = createSource(start, end);
+
+            return new UntypedCallNode(left, args, source);
+        }
+    };
+
     private static final OperationParser<OperatorPrecedence, UntypedExpressionNode> MEMBER_ACCESS_PARSER = new OperationParser<>() {
         @Override
         public OperatorPrecedence precedence() {
@@ -521,6 +555,7 @@ public class Parser {
     };
 
     private static final Map<TokenType, OperationParser<OperatorPrecedence, UntypedExpressionNode>> OPERATION_PARSERS = Stream.of(
+            CALL_PARSER,
             MEMBER_ACCESS_PARSER
         )
         .flatMap(parser ->
-- 
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