Function arrayAccessNode

src/strands/ir_builders.js:625–655

(strandsContext, bufferNode, indexNode, accessMode)

}

export function arrayAccessNode(strandsContext, bufferNode, indexNode, accessMode) {
  const { dag, cfg } = strandsContext;

  // Ensure index is a StrandsNode
  let index;
  if (indexNode instanceof StrandsNode) {
    index = indexNode;
  } else {
    const { id, dimension } = primitiveConstructorNode(
      strandsContext,
      { baseType: BaseType.INT, dimension: 1 },
      indexNode
    );
    index = createStrandsNode(id, dimension, strandsContext);
  }

  // Array access returns a single float
  const nodeData = DAG.createNodeData({
    nodeType: NodeType.OPERATION,
    opCode: OpCode.Binary.ARRAY_ACCESS,
    dependsOn: [bufferNode.id, index.id],
    dimension: 1,
    baseType: BaseType.FLOAT,
    accessMode // 'read' or 'read_write'
  });

  const id = DAG.getOrCreateNode(dag, nodeData);
  CFG.recordInBasicBlock(cfg, cfg.currentBlock, id);

  return { id, dimension: 1 };
}

export function createStructArrayElementProxy(strandsContext, bufferNode, indexNode, schema) {
  const { dag, cfg } = strandsContext;