simplify the string count

src/de/inetsoftware/jwebassembly/binary/BinaryModuleWriter.java

@@ -168,7 +168,7 @@ public class BinaryModuleWriter extends ModuleWriter implements InstructionOpcod
      *             if any I/O error occur
      */
     private void writeTableSection() throws IOException {
-        int stringCount = getStringCount();
+        int stringCount = options.strings.size();
         int typeCount = options.types.size();
         if( !callIndirect && stringCount == 0 ) {
             return;

src/de/inetsoftware/jwebassembly/module/ModuleWriter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 - 2019 Volker Berlin (i-net software)
+ * Copyright 2017 - 2020 Volker Berlin (i-net software)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -51,8 +51,6 @@ public abstract class ModuleWriter implements Closeable {
      */
     protected final ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
 
-    private int stringCount;
-
     /**
      * Create a instance with its options.
      * 
@@ -63,25 +61,6 @@ public abstract class ModuleWriter implements Closeable {
         this.options = options;
     }
 
-    /**
-     * Set the used string counts
-     * 
-     * @param count
-     *            the count
-     */
-    void setStringCount( int count ) {
-        this.stringCount = count;
-    }
-
-    /**
-     * Get the string count
-     * 
-     * @return the count
-     */
-    protected int getStringCount() {
-        return stringCount;
-    }
-
     /**
      * Finish the prepare after all classes/methods are prepare. This must be call before we can start with write the
      * first method.

src/de/inetsoftware/jwebassembly/module/StringManager.java

@@ -33,7 +33,7 @@ import de.inetsoftware.jwebassembly.wasm.ValueType;
  * 
  * @author Volker Berlin
  */
-class StringManager extends LinkedHashMap<String, Integer> {
+public class StringManager extends LinkedHashMap<String, Integer> {
 
     /**
      * Signature of method stringConstant.
@@ -106,7 +106,6 @@ class StringManager extends LinkedHashMap<String, Integer> {
     void prepareFinish( ModuleWriter writer ) throws IOException {
         // inform the writer of string count that it can allocate a table of type anyref for the constant strings
         int size = size();
-        writer.setStringCount( size );
         if( size == 0 ) {
             // no strings, nothing to do
             return;

src/de/inetsoftware/jwebassembly/module/WasmOptions.java

@@ -39,7 +39,7 @@ public class WasmOptions {
 
     public final TypeManager types  = new TypeManager( this );
 
-    final StringManager   strings   = new StringManager( this );
+    public final StringManager strings = new StringManager( this );
 
     final CodeOptimizer   optimizer = new CodeOptimizer();
 

src/de/inetsoftware/jwebassembly/text/TextModuleWriter.java

@@ -146,7 +146,7 @@ public class TextModuleWriter extends ModuleWriter {
         }
 
         // table for string constants
-        int stringCount = getStringCount();
+        int stringCount = options.strings.size();
         if( stringCount > 0 ) {
             if( !callIndirect ) {
                 // we need to create a placeholder table with index 0 if not exists