implement send_function_call

src/FunctionCompiler.hh

@@ -0,0 +1,40 @@
+#pragma once
+
+#include <inttypes.h>
+
+#include <string>
+#include <unordered_map>
+#include <vector>
+#include <memory>
+
+
+
+bool function_compiler_available();
+
+
+
+// TODO: Support x86 function calls in the future. Currently we only support
+// PPC32 because I haven't written an appropriate x86 assembler yet.
+
+struct CompiledFunctionCode {
+  std::string code;
+  std::vector<uint16_t> relocation_deltas;
+  std::unordered_map<std::string, uint32_t> label_offsets;
+  uint32_t entrypoint_offset_offset;
+  uint8_t index; // 00-FE (FF = index not specified)
+
+  std::string generate_client_command(
+      const std::unordered_map<std::string, uint32_t>& label_writes = {},
+      const std::string& suffix = "") const;
+};
+
+std::shared_ptr<CompiledFunctionCode> compile_function_code(const std::string& text);
+
+
+
+struct FunctionCodeIndex {
+  FunctionCodeIndex(const std::string& directory);
+
+  std::unordered_map<std::string, std::shared_ptr<CompiledFunctionCode>> name_to_function;
+  std::vector<std::shared_ptr<CompiledFunctionCode>> index_to_function;
+};