def analyze(s):
name = traceback.extract_stack()[-2][2]
ast = Parser().parse(s, lexer=Lexer())
table, blocks, functions = il_gen.generate(ast, debug=True)
dot('ast.%s'%name, ast.dotty(), str(ast))
dot('blks.%s'%name, functions['f2'].entry.dotty())
cf.analyze(table, blocks, functions, debug=True)
dot('cf.%s'%name, functions['f2'].tree.dotty())
return functions
def run(s):
#out = cStringIO.StringIO()
try:
code = x86_gen.generate(*il_gen.generate(Parser().parse(s, lexer=Lexer()), debug=True))
print code
gas = subprocess.Popen(['as', '--32', '-o', 'exe.o'], stdin=subprocess.PIPE, stderr=subprocess.PIPE)
print gas.communicate(code)
ld = subprocess.Popen(['ld', '-o', 'exe', '-melf_i386', '-dynamic-linker', conf.dynlinker,
conf.libc32, 'exe.o'], stdin=subprocess.PIPE, stderr=subprocess.PIPE)
print ld.communicate()
exe = subprocess.Popen(['./exe'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
ret, err = exe.communicate()
print '>', (ret, err)
except Exception, e:
print e
traceback.print_exc(file=sys.stdout)
ret = 'fail'
err = e
code = self.emit(x.pushl, i.a)
code += [x.pushl("$printf_msg"), x.call("printf"), x.addl(x.cint(8), x.esp)]
return code
if __name__ == "__main__":
code = generate(
*il_gen.generate(
Parser().parse(
"""
_add = func(a, b) {
reflect = func(x) {
print x
y = x + 5
return y - 5
}
return reflect(a) + reflect(b)
}
add = func(f, a, b) {
return f(a, b)
}
print add(_add, 18, 37)
""",
lexer=Lexer(),
)
)
)
# print code
vm.run(code)
def run(s):
out = cStringIO.StringIO()
vm.run(vm_gen.generate(*il_gen.generate(Parser().parse(s, lexer=Lexer()))), out)
r = out.getvalue()
del out
return r