HACK: support for SIM factory file formats

Change-Id: I23cd37fc06b6e2d21964fd4f2694d9ee3c6012d4

format_ipr.py

@@ -0,0 +1,55 @@
+from lark import Lark, Transformer, Token, Tree
+from script_format import ScriptFormat
+from format_ldr import LdrXfrm
+
+class IprXfrm(LdrXfrm):
+    """ transform the parse tree into a more easily consumable form """
+    def key(self, items):
+        return ('key', ''.join(list(items)))
+    def req(self, items):
+        return items[:-1]
+    def rsp(self, items):
+        return items[:-1]
+    #def NEWLINE(self, items):
+        #return None
+
+
+class ScriptFormatIPR(ScriptFormat):
+    # parser for the IPR file format as used by the SIM card factory
+    ipr_parser = Lark(r"""
+        script: statement*
+        ?statement: cmd | rst | rem | NEWLINE
+
+        NONL: /[^\n]/+
+        rem: "//" NONL? NEWLINE
+
+        ALNUM: DIGIT | LETTER | "_"
+        key: "[" ALNUM+ "]"
+
+        cmd: req rsp
+
+        req: "I:" [hexstr|key]+ NEWLINE
+        hexstr: HEX_ITEM+
+        HEX_ITEM: HEXDIGIT ~ 2
+
+        rsp: "O:" swpattern? NEWLINE
+        swpattern: HEX_OR_X ~ 4
+        HEX_OR_X: HEXDIGIT | "X" | "x"
+
+        rst: "RESET" NEWLINE
+
+        %import common.ESCAPED_STRING -> STRING
+        %import common.WS_INLINE
+        %import common.HEXDIGIT
+        %import common.DIGIT
+        %import common.LETTER
+        %import common.NEWLINE
+        %ignore WS_INLINE
+
+        """, start='script', parser='lalr')#, lexer='standard')
+
+    def parse_xform(self, text):
+        tree = self.ipr_parser.parse(text)
+        #print(tree.pretty())
+        p = IprXfrm().transform(tree)
+        return p