[pypy-svn] r44949 - pypy/dist/pypy/translator/goal
jlg at codespeak.net
jlg at codespeak.net
Thu Jul 12 11:53:38 CEST 2007
Author: jlg
Date: Thu Jul 12 11:53:37 2007
New Revision: 44949
Added:
pypy/dist/pypy/translator/goal/targetssstandalone.py (contents, props changed)
Log:
target for scheme interpreter
Added: pypy/dist/pypy/translator/goal/targetssstandalone.py
==============================================================================
--- (empty file)
+++ pypy/dist/pypy/translator/goal/targetssstandalone.py Thu Jul 12 11:53:37 2007
@@ -0,0 +1,35 @@
+"""
+A simple standalone target for the scheme interpreter.
+"""
+
+import autopath
+import sys
+from pypy.rlib.streamio import open_file_as_stream
+from pypy.lang.scheme.ssparser import parse
+from pypy.lang.scheme.object import SchemeQuit, ExecutionContext
+
+# __________ Entry point __________
+
+def entry_point(argv):
+ if len(argv) == 2:
+ f = open_file_as_stream(argv[1])
+ t = parse(f.readall())
+ ctx = ExecutionContext()
+ w_retval = t.eval(ctx)
+ print w_retval,
+ return 0
+ elif argv[0] == 'foo':
+ raise SchemeQuit
+ else:
+ print "Usage: %s schemesourcefile" % argv[0]
+ return 1
+
+# _____ Define and setup target ___
+
+def target(driver, args):
+ driver.exe_name = 'ss-%(backend)s'
+ return entry_point, None
+
+if __name__ == '__main__':
+ entry_point(sys.argv)
+
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