X-Git-Url: https://pd.if.org/git/?p=pccts;a=blobdiff_plain;f=h%2FPBlackBox.h;fp=h%2FPBlackBox.h;h=0706df0da1f65a08008744b9e6d51056e845092c;hp=0000000000000000000000000000000000000000;hb=cb15b978c765a661bf3154d865fa3e2401d649f5;hpb=c4e55222e892b8762e11f2425a64611e898ef20e

diff --git a/h/PBlackBox.h b/h/PBlackBox.h
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+#ifndef PBLACKBOX_H
+#define PBLACKBOX_H
+
+/*
+ * SOFTWARE RIGHTS
+ *
+ * We reserve no LEGAL rights to the Purdue Compiler Construction Tool
+ * Set (PCCTS) -- PCCTS is in the public domain.  An individual or
+ * company may do whatever they wish with source code distributed with
+ * PCCTS or the code generated by PCCTS, including the incorporation of
+ * PCCTS, or its output, into commerical software.
+ * 
+ * We encourage users to develop software with PCCTS.  However, we do ask
+ * that credit is given to us for developing PCCTS.  By "credit",
+ * we mean that if you incorporate our source code into one of your
+ * programs (commercial product, research project, or otherwise) that you
+ * acknowledge this fact somewhere in the documentation, research report,
+ * etc...  If you like PCCTS and have developed a nice tool with the
+ * output, please mention that you developed it using PCCTS.  In
+ * addition, we ask that this header remain intact in our source code.
+ * As long as these guidelines are kept, we expect to continue enhancing
+ * this system and expect to make other tools available as they are
+ * completed.
+ *
+ * ANTLR 1.33
+ * Terence Parr
+ * Parr Research Corporation
+ * with Purdue University and AHPCRC, University of Minnesota
+ * 1989-1995
+ */
+
+#include <iostream.h>
+
+template<class Lexer, class Parser, class Token>
+class ParserBlackBox {
+protected:
+	DLGFileInput *in;
+	Lexer *scan;
+	_ANTLRTokenPtr tok;
+	ANTLRTokenBuffer *pipe;
+	Parser *_parser;
+	FILE *file;
+public:
+	
+	ParserBlackBox(FILE *f)
+		{
+			file = f;
+			in = new DLGFileInput(f);
+			scan = new Lexer(in);
+			pipe = new ANTLRTokenBuffer(scan);
+			tok = new Token;
+			scan->setToken(tok);
+			_parser = new Parser(pipe);
+			_parser->init();
+		}
+	ParserBlackBox(char *fname)
+		{
+			FILE *f = fopen(fname, "r");
+			if ( f==NULL ) {cerr << "cannot open " << fname << "\n"; return;}
+			else {
+				file = f;
+				in = new DLGFileInput(f);
+				scan = new Lexer(in);
+				pipe = new ANTLRTokenBuffer(scan);
+				tok = new Token;
+				scan->setToken(tok);
+				_parser = new Parser(pipe);
+				_parser->init();
+			}
+		}
+	~ParserBlackBox()
+		{
+			delete in; delete scan; delete pipe; delete _parser; delete tok;
+			fclose(file);
+		}
+
+	Parser *parser()	{ return _parser; }
+};
+
+#endif