Added new port TinyBasic

(An improved version in conjunction with ktcc can generate executable files.)

git-svn-id: svn://kolibrios.org@8733 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/develop/tinybasic-1.0.4/inc/parser.h

@@ -0,0 +1,93 @@
+/*
+ * Tiny BASIC
+ * Parser Header
+ *
+ * Released as Public Domain by Damian Gareth Walker 2019
+ * Created: 08-Aug-2019
+ */
+
+
+#ifndef __PARSER_H__
+#define __PARSER_H__
+
+
+/* pre-requisite headers */
+#include "statement.h"
+#include "errors.h"
+#include "options.h"
+#include "tokeniser.h"
+
+
+/*
+ * Data Declarations
+ */
+
+
+/* the parser */
+typedef struct parser_data ParserData;
+typedef struct parser Parser;
+typedef struct parser {
+
+  /* Properties */
+  ParserData *priv; /* parser's private data */
+
+  /*
+   * Public methods
+   */
+
+  /*
+   * Parse the whole program
+   * params:
+   *   Parser*        The parser to use
+   *   INPUT*         The input file to parse
+   * returns:
+   *   ProgramNode*   The parsed program
+   */
+  ProgramNode *(*parse) (Parser *);
+
+  /*
+   * Return the current source line we're parsing
+   * params:
+   *   Parser*   The parser to use
+   * returns:
+   *   int       the line returned
+   */
+  int (*get_line) (Parser *);
+
+  /*
+   * Return the label of the source line we're parsing
+   * params:
+   *   Parser*   The parser to use
+    * returns:
+   *   int       the label returned
+   */
+  int (*get_label) (Parser *);
+
+  /*
+   * Destroy this parser object
+   * params:
+   *   Parser*   the doomed parser
+   */
+  void (*destroy) (Parser *);
+
+} Parser;
+
+
+/*
+ * Function Declarations
+ */
+
+
+/*
+ * Constructor
+ * params:
+ *   ErrorHandler*      the error handler to use
+ *   LanguageOptions*   the language options to use
+ *   FILE*              the input file
+ * returns:
+ *   Parser*            the new parser
+ */
+Parser *new_Parser (ErrorHandler *, LanguageOptions *, FILE *);
+
+
+#endif