Fixed build errors.

example/calc3.cc

@@ -55,7 +55,7 @@ int main(int argc, const char** argv)
     shared_ptr<Ast> ast;
     if (parser.parse(expr, ast)) {
         ast = AstOptimizer(true).optimize(ast);
-        AstPrint::print(ast);
+        print_ast(ast);
         cout << expr << " = " << eval(*ast) << endl;
         return 0;
     }

language/culebra/main.cc

@@ -228,7 +228,7 @@ int repl(shared_ptr<Environment> env, bool print_ast)
             auto ret = run("(repl)", env, line.c_str(), line.size(), val, msgs, ast);
             if (ret) {
                 if (print_ast) {
-                    AstPrint::print(ast);
+                    peg::print_ast(ast);
                 }
                 cout << val << endl;
                 linenoise::AddHistory(line.c_str());
@@ -297,7 +297,7 @@ int main(int argc, const char** argv)
                 }
                 return -1;
             } else if (print_ast) {
-                AstPrint::print(ast);
+                peg::print_ast(ast);
             }
         }
 

language/pl0/pl0.cc

@@ -437,7 +437,7 @@ int main(int argc, const char** argv)
     shared_ptr<AstPL0> ast;
     if (parser.parse_n(source.data(), source.size(), ast, path)) {
         if (argc > 2 && string("--ast") == argv[2]) {
-            AstPrint::print(ast);
+            print_ast(ast);
         }
         try {
             SymbolTable::build_on_ast(ast);
@@ -452,3 +452,4 @@ int main(int argc, const char** argv)
 }
 
 // vim: et ts=4 sw=4 cin cino={1s ff=unix
+

lint/cmdline/peglint.cc

@@ -97,7 +97,7 @@ int main(int argc, const char** argv)
 	    }
 
         ast = peg::AstOptimizer(opt_optimize_ast_nodes).optimize(ast);
-	    peg::AstPrint::print(ast);
+	    peg::print_ast(ast);
     } else {
 	    if (!parser.parse_n(source.data(), source.size())) {
 	        return -1;

lint/online/main.cc

@@ -24,7 +24,7 @@ function<void (size_t, size_t, const string&)> makeJSONFormatter(string& json)
     };
 }
 
-bool parse_grammar(const string& text, peglib::peg& peg, string& json)
+bool parse_grammar(const string& text, peg::parser& peg, string& json)
 {
     peg.log = makeJSONFormatter(json);
     json += "[";
@@ -33,7 +33,7 @@ bool parse_grammar(const string& text, peglib::peg& peg, string& json)
     return ret;
 }
 
-bool parse_code(const string& text, peglib::peg& peg, string& json)
+bool parse_code(const string& text, peg::parser& peg, string& json)
 {
     peg.log = makeJSONFormatter(json);
     json += "[";
@@ -57,7 +57,7 @@ int main(void)
         string grammarResult;
         string codeResult;
 
-        peglib::peg peg;
+        peg::parser peg;
         auto ret = parse_grammar(grammarText, peg, grammarResult);
 
         if (ret && peg) {

peglib.h

@@ -2039,30 +2039,23 @@ struct AstBase : public Annotation
     std::shared_ptr<AstBase<Annotation>>              parent;
 };
 
-struct AstPrint
-{
 template <typename T>
-    static void print(const std::shared_ptr<T>& ptr, int level = 0) {
+void print_ast(const std::shared_ptr<T>& ptr, int level = 0) {
     const auto& ast = *ptr;
     for (auto i = 0; i < level; i++) { std::cout << "  "; }
-        if (ast.is_token) {
-            std::cout << "- " << name(ast) << ": '" << ast.token << "'" << std::endl;
-        } else {
-            std::cout << "+ " << name(ast) << std::endl;
-        }
-        for (auto node : ast.nodes) { print(node, level + 1); }
-    }
-
-private:
-    template <typename T>
-    static std::string name(const T& ast) {
+    std::string name;
     if (ast.name == ast.original_name) {
-            return ast.name;
+        name = ast.name;
     } else {
-            return ast.original_name + " (" + ast.name + ")";
+        name = ast.original_name + " (" + ast.name + ")";
     }
+    if (ast.is_token) {
+        std::cout << "- " << name << ": '" << ast.token << "'" << std::endl;
+    } else {
+        std::cout << "+ " << name << std::endl;
+    }
+    for (auto node : ast.nodes) { print_ast(node, level + 1); }
 }
-};
 
 struct AstOptimizer
 {