1 files changed, 50 insertions, 0 deletions
diff --git a/src/parse/common.hpp b/src/parse/common.hpp
new file mode 100644
index 00000000..0d6d550b
--- /dev/null
+++ b/src/parse/common.hpp
@@ -0,0 +1,50 @@
+#ifndef PARSE_COMMON_HPP_INCLUDED
+#define PARSE_COMMON_HPP_INCLUDED
+#include <iostream>
+
+#define GET_TOK(tok, lex) ((tok = lex.getToken()).type())
+#define GET_CHECK_TOK(tok, lex, exp) do {\
+    if((tok = lex.getToken()).type() != exp) \
+            throw ParseError::Unexpected(tok, Token(exp));\
+} while(0)
+#define CHECK_TOK(tok, exp) do {\
+    if(tok.type() != exp) \
+            throw ParseError::Unexpected(tok, Token(exp));\
+} while(0)
+
+enum eParsePathGenericMode
+{
+    PATH_GENERIC_NONE,
+    PATH_GENERIC_EXPR,
+    PATH_GENERIC_TYPE
+};
+
+extern AST::Path   Parse_Path(TokenStream& lex, bool is_abs, eParsePathGenericMode generic_mode);
+extern TypeRef     Parse_Type(TokenStream& lex);
+extern AST::Expr   Parse_Expr(TokenStream& lex, bool const_only);
+extern AST::Expr   Parse_ExprBlock(TokenStream& lex);
+
+class TraceLog
+{
+    static unsigned int depth;
+    const char* m_tag;
+public:
+    TraceLog(const char* tag): m_tag(tag) { indent(); ::std::cout << ">> " << m_tag << ::std::endl; }
+    ~TraceLog() { outdent(); ::std::cout << "<< " << m_tag << ::std::endl; }
+private:
+    void indent()
+    {
+        for(unsigned int i = 0; i < depth; i ++)
+            ::std::cout << " ";
+        depth ++;
+    }
+    void outdent()
+    {
+        depth --;
+        for(unsigned int i = 0; i < depth; i ++)
+            ::std::cout << " ";
+    }
+};
+#define TRACE_FUNCTION  TraceLog _tf_(__func__)
+
+#endif // PARSE_COMMON_HPP_INCLUDED