From 337741e17e5b1f65c9ca3c9bfe2f85e157d75c47 Mon Sep 17 00:00:00 2001
From: yhirose <yuji.hirose.bug@gmail.com>
Date: Thu, 27 Aug 2015 22:26:34 -0400
Subject: [PATCH] Fixed build errors.

---
 example/calc3.cc         |  2 +-
 language/culebra/main.cc |  4 ++--
 language/pl0/pl0.cc      |  3 ++-
 lint/cmdline/peglint.cc  |  2 +-
 lint/online/main.cc      |  6 +++---
 peglib.h                 | 37 +++++++++++++++----------------------
 6 files changed, 24 insertions(+), 30 deletions(-)

diff --git a/example/calc3.cc b/example/calc3.cc
index 2761924..a8b0758 100644
--- a/example/calc3.cc
+++ b/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;
     }
diff --git a/language/culebra/main.cc b/language/culebra/main.cc
index 1cfa465..afb99d3 100644
--- a/language/culebra/main.cc
+++ b/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);
             }
         }
 
diff --git a/language/pl0/pl0.cc b/language/pl0/pl0.cc
index c5a6447..63874c0 100644
--- a/language/pl0/pl0.cc
+++ b/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
+
diff --git a/lint/cmdline/peglint.cc b/lint/cmdline/peglint.cc
index ebfb0af..36265dc 100644
--- a/lint/cmdline/peglint.cc
+++ b/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;
diff --git a/lint/online/main.cc b/lint/online/main.cc
index b808b56..96365ce 100644
--- a/lint/online/main.cc
+++ b/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) {
diff --git a/peglib.h b/peglib.h
index cb7558b..a255780 100644
--- a/peglib.h
+++ b/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) {
-        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); }
+template <typename T>
+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 << "  "; }
+    std::string name;
+    if (ast.name == ast.original_name) {
+        name = ast.name;
+    } else {
+        name = ast.original_name + " (" + ast.name + ")";
     }
-
-private:
-    template <typename T>
-    static std::string name(const T& ast) {
-        if (ast.name == ast.original_name) {
-            return ast.name;
-        } else {
-            return 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
 {