Added grammar and management of translation tables for events

irbox.c -> irman.c

1 files changed, 190 insertions, 0 deletions

diff --git a/gram.y b/gram.y
new file mode 100644
index 0000000..2340390
--- /dev/null
+++ b/gram.y
@@ -0,0 +1,190 @@
+%{
+
+/*
+ *
+ * IRBOX, an Ivy driver for infra-red remote controls
+ *
+ * Copyright 1998-1999 
+ * Centre d'Etudes de la Navigation Aerienne
+ *
+ * This is the grammar for reading tables
+ *
+ * $Id$
+ *
+ */
+
+extern const char* const ResWords;
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "irtable.h"
+
+extern int yyparse ();
+extern int yylex ();
+extern int LineNo;
+
+
+static char id_buf [1024];	/* Yeech */
+static char id_list_buf [4096];	/* Barf */
+
+static const char* filename = 0;
+static IrTable* cur_table;
+
+%}
+
+%union {
+	const char *name;
+	int integer;
+}
+
+%token Y_NAME Y_TYPE Y_BRAND Y_EOL
+%token <name> Y_ID Y_STRING
+%token <integer> Y_INT 
+
+
+%type <name> id id_list
+
+%%
+
+instr_list:
+	  /* empty */
+	| instr_list instr
+	;
+
+id:
+	  Y_ID
+	{
+		strcpy (id_buf, $1);
+		free ((char*) $1);	/* was allocated by strdup in  lex file */
+		$$ = id_buf;
+	}
+	| Y_INT
+	{
+		sprintf (id_buf, "%d", $1);
+		$$ = id_buf;
+	}
+	;
+
+id_list:
+	  id
+	{
+		strcpy (id_list_buf, $1);
+		$$ = $1;
+	}
+	| id_list id
+	{
+		strcat (id_list_buf, " ");
+		strcat (id_list_buf, $2);
+		$$ = id_list_buf;
+	}
+	;
+
+instr:
+	  Y_EOL
+
+	| Y_NAME Y_ID Y_EOL
+	{
+		IrTableName (cur_table, $2);
+	}
+
+	| Y_TYPE ':' Y_ID Y_EOL
+	{
+		IrTableType (cur_table, $3);
+	}
+
+	| Y_BRAND ':' id_list Y_EOL
+	{
+		IrTableAddBrand (cur_table, $3);
+	}
+
+	| id_list ':' Y_INT Y_INT Y_INT Y_INT Y_INT Y_INT Y_EOL
+	{
+		IrTableAddKey (cur_table, $1, $3, $4, $5, $6, $7, $8);
+	}
+	;
+
+
+%%
+#include <stdio.h>
+
+int _DoTee = 0;
+
+int
+tee (int x)
+{
+	if (_DoTee) {
+		char *s;
+		switch (x) {
+		case ':':
+			s = ":";
+			break;
+		case Y_EOL:
+			s = "Y_EOL\n";
+			break;
+		case Y_STRING:
+			s = "STRING";
+			break;
+		case Y_INT:
+			s = "INT";
+			break;
+		case Y_ID:
+			s = "ID";
+			break;
+		case Y_TYPE:
+			s = "TYPE";
+			break;
+		case Y_BRAND:
+			s = "BRAND";
+			break;
+/*		case Y_:
+			s = "";
+			break;
+*/
+		default :
+			s = "???";
+			break;
+		}
+		printf ("%s ", s);
+	}
+	return x;
+}
+
+
+int
+yyerror (const char *s)
+{
+	fprintf (stderr, "%s in %s, line %d\n", s, filename, LineNo);
+	return (0);
+}
+
+int
+yywrap ()
+{
+	return 1;
+}
+
+
+IrTable*
+IrTableReadFile (const char* file)
+{
+	extern void LexInit ();
+	extern FILE *yyin;
+	int result;
+
+	LexInit ();
+	filename = file;
+	if (!(yyin = fopen (file,"r"))) {
+		char err [1024];
+		fprintf (stderr, "Cannot open %s\n", file);
+		return 0;
+	}
+	cur_table = IrCreateTable ();
+	if (yyparse ()) {
+		result = 0;
+	}
+	fclose (yyin);
+	return cur_table;
+}
+