diff --git a/src/sksl/SkSLCPPCodeGenerator.h b/src/sksl/SkSLCPPCodeGenerator.h
index 39255d6..6c67bad 100644
--- a/src/sksl/SkSLCPPCodeGenerator.h
+++ b/src/sksl/SkSLCPPCodeGenerator.h
@@ -23,6 +23,21 @@
     bool generateCode() override;
 
 private:
+    // When inside writeEmitCode(), certain SkSL elements need to control
+    // when fragBuilder->codeAppendf is added to the function block. This
+    // takes all completed statements in the SkSL buffer, and their corresponding
+    // format args, and writes them into the emitCode()'s statement block
+    // using writeCodeAppend().
+    //
+    // This control is necessary for handling special functions in SkSL, like
+    // process(), which need to intermix the current FP's SkSL with that of
+    // an emitted child.
+    //
+    //  :forceAll - If false, only the completed statements (terminated by ;),
+    //     will be flushed and the sksl buffer will be set to any partial
+    //     statements that remain. If true, everything is flushed, regardless.
+    void flushEmittedCode(bool forceAll = false);
+
     void writef(const char* s, va_list va) SKSL_PRINTF_LIKE(2, 0);
 
     void writef(const char* s, ...) SKSL_PRINTF_LIKE(2, 3);
@@ -88,6 +103,15 @@
 
     void writeTest();
 
+    // If the returned C++ is included in the generated code, then the variable
+    // name stored in cppVar will refer to a valid SkString that matches the
+    // Expression. Successful returns leave the output buffer (and related state)
+    // unmodified.
+    //
+    // In the simplest cases, this will return "SkString {cppVar}(\"{e}\");",
+    // while more advanced cases will properly insert format arguments.
+    String convertSKSLExpressionToCPP(const Expression& e, const String& cppVar);
+
     String fName;
     String fFullName;
     SectionAndParameterHelper fSectionAndParameterHelper;
@@ -98,6 +122,11 @@
     bool fCPPMode = false;
     bool fInMain = false;
 
+    // if not null, we are accumulating SkSL for emitCode into fOut, which
+    // replaced the original buffer with a StringStream. The original buffer is
+    // stored here for restoration.
+    OutputStream* fCPPBuffer = nullptr;
+
     typedef GLSLCodeGenerator INHERITED;
 };