Adding ParserBuilder, reducing visibility of Parser and Input constructors

Adding Smt2 subclass of Parser
Checking for multiple calls to set-logic in SMT v2

1 files changed, 91 insertions, 0 deletions

diff --git a/src/parser/parser_builder.h b/src/parser/parser_builder.h
new file mode 100644
index 000000000..d0b8b7bb2
--- /dev/null
+++ b/src/parser/parser_builder.h
@@ -0,0 +1,91 @@
+/*********************                                                        */
+/** parser_builder.h
+ ** Original author: cconway
+ ** Major contributors: none
+ ** Minor contributors (to current version): none
+ ** This file is part of the CVC4 prototype.
+ ** Copyright (c) 2009, 2010  The Analysis of Computer Systems Group (ACSys)
+ ** Courant Institute of Mathematical Sciences
+ ** New York University
+ ** See the file COPYING in the top-level source directory for licensing
+ ** information.
+ **
+ ** A builder for parsers.
+ **/
+
+#include "cvc4parser_public.h"
+
+#ifndef __CVC4__PARSER__PARSER_BUILDER_H_
+#define __CVC4__PARSER__PARSER_BUILDER_H_
+
+#include <string>
+
+#include "parser/input.h"
+#include "parser/parser_options.h"
+
+namespace CVC4 {
+
+class ExprManager;
+
+namespace parser {
+/*
+
+class InputBuilder {
+protected:
+  InputLanguage d_lang;
+  std::string d_name;
+public:
+  InputBuilder(InputLanguage lang, const std::string& name) :
+    d_lang(lang),
+    d_name(name) {
+  }
+  virtual Input& build() = 0;
+};
+*/
+
+class Parser;
+
+class CVC4_PUBLIC ParserBuilder {
+  enum InputType {
+    FILE_INPUT,
+    STRING_INPUT
+  };
+
+  /** The input type. */
+  InputType d_inputType;
+
+  /** The input language */
+  InputLanguage d_lang;
+
+  /** The file name (may not exist) */
+  std::string d_filename;
+
+  /** The string input, if any. */
+  std::string d_stringInput;
+
+  /** The expression manager */
+  ExprManager *d_exprManager;
+
+  /** Should semantic checks be enabled during parsing? */
+  bool d_checksEnabled;
+
+  /** Should we parse in strict mode? */
+  bool d_strictMode;
+
+  /** Should we memory-map a file input? */
+  bool d_mmap;
+
+public:
+  ParserBuilder(InputLanguage lang, const std::string& filename);
+  Parser *build() throw (InputStreamException);
+  ParserBuilder& withChecks(bool flag = true);
+  ParserBuilder& withMmap(bool flag = true);
+  ParserBuilder& withStrictMode(bool flag = true);
+  ParserBuilder& withExprManager(ExprManager& exprManager);
+  ParserBuilder& withStringInput(const std::string& input);
+};
+
+} /* namespace parser */
+
+} /* namespace CVC4 */
+#endif /* __CVC4__PARSER__PARSER_BUILDER_H_ */