def test_ptrtoptrdecl():
testcode = """
int16_t (*motion_val[2])[2];
"""
state = helpers_test.parse(testcode)
v = state.vars["motion_val"]
pprint((v, v.type))
def test_ptrtoptrdecl(): testcode = """ int16_t (*motion_val[2])[2]; """ state = helpers_test.parse(testcode) v = state.vars["motion_val"] pprint((v, v.type))
def test_funcptrdecl():
testcode = """
int16_t (*f)();
int16_t (*g)(char a, void*);
int (*h);
// ISO/IEC 9899:TC3 : C99 standard
int fx(void), *fip(), (*pfi)(); // example 1, page 120
int (*apfi[3])(int *x, int *y); // example 2, page 120
//int (*fpfi(int (*)(long), int))(int, ...); // example 3, page 120
"""
state = helpers_test.parse(testcode)
f = state.vars["f"]
g = state.vars["g"]
assert f.name == "f"
assert isinstance(f.type, CFuncPointerDecl)
assert f.type.type == CStdIntType("int16_t")
assert f.type.args == []
assert isinstance(g.type, CFuncPointerDecl)
gargs = g.type.args
assert isinstance(gargs, list)
assert len(gargs) == 2
assert isinstance(gargs[0], CFuncArgDecl)
assert gargs[0].name == "a"
assert gargs[0].type == CBuiltinType(("char", ))
assert gargs[1].name is None
assert gargs[1].type == CBuiltinType(("void", "*"))
h = state.vars["h"]
#assert h.type == CPointerType(CBuiltinType(("int",))) # TODO?
# TODO?
#fx = state.funcs["fx"] # fx is a function `int (void)`
#assert fx.type == CBuiltinType(("int",))
#assert fx.args == []
# TODO?
#fip = state.funcs["fip"] # fip is a function `int* (void)`
#assert fip.type == CPointerType(CBuiltinType(("int",)))
#assert fip.args == []
pfi = state.vars["pfi"] # pfi is a function-ptr to `int ()`
assert isinstance(pfi.type, CFuncPointerDecl)
assert pfi.type.type == CBuiltinType(("int", ))
assert pfi.type.args == []
apfi = state.vars[
"apfi"] # apfi is an array of three function-ptrs `int (int*,int*)`
def test_funcptrdecl():
testcode = """
int16_t (*f)();
int16_t (*g)(char a, void*);
int (*h);
// ISO/IEC 9899:TC3 : C99 standard
int fx(void), *fip(), (*pfi)(); // example 1, page 120
int (*apfi[3])(int *x, int *y); // example 2, page 120
//int (*fpfi(int (*)(long), int))(int, ...); // example 3, page 120
"""
state = helpers_test.parse(testcode)
f = state.vars["f"]
g = state.vars["g"]
assert f.name == "f"
assert isinstance(f.type, CFuncPointerDecl)
assert f.type.type == CStdIntType("int16_t")
assert f.type.args == []
assert isinstance(g.type, CFuncPointerDecl)
gargs = g.type.args
assert isinstance(gargs, list)
assert len(gargs) == 2
assert isinstance(gargs[0], CFuncArgDecl)
assert gargs[0].name == "a"
assert gargs[0].type == CBuiltinType(("char",))
assert gargs[1].name is None
assert gargs[1].type == CBuiltinType(("void","*"))
h = state.vars["h"]
#assert h.type == CPointerType(CBuiltinType(("int",))) # TODO?
# TODO?
#fx = state.funcs["fx"] # fx is a function `int (void)`
#assert fx.type == CBuiltinType(("int",))
#assert fx.args == []
# TODO?
#fip = state.funcs["fip"] # fip is a function `int* (void)`
#assert fip.type == CPointerType(CBuiltinType(("int",)))
#assert fip.args == []
pfi = state.vars["pfi"] # pfi is a function-ptr to `int ()`
assert isinstance(pfi.type, CFuncPointerDecl)
assert pfi.type.type == CBuiltinType(("int",))
assert pfi.type.args == []
apfi = state.vars["apfi"] # apfi is an array of three function-ptrs `int (int*,int*)`
def test_simplevardecl():
testcode = """
int16_t a;
int b = 42;
void* c = &b;
int* d = &b;
char e, *f = "abc", g, **h = &f;
"""
state = helpers_test.parse(testcode)
a = state.vars["a"]
b = state.vars["b"]
c = state.vars["c"]
d = state.vars["d"]
e = state.vars["e"]
f = state.vars["f"]
g = state.vars["g"]
h = state.vars["h"]
for v in "abcdefgh":
var = locals()[v]
assert state.vars[v] is var
assert var.name == v
assert a.type == CStdIntType("int16_t")
assert a.body is None
assert b.type == CBuiltinType(("int",))
assert b.body is not None
assert b.body.getConstValue(state) == 42
assert c.type == CBuiltinType(("void","*"))
#pprint(c.body) TODO: check <CStatement <COp '&'> <CStatement <CVarDecl 'b' ...
assert d.type == CPointerType(CBuiltinType(("int",)))
assert e.type == CBuiltinType(("char",))
assert f.type == CPointerType(e.type)
assert h.type == CPointerType(f.type)
assert f.body.getConstValue(state) == "abc"
def test_simplevardecl():
testcode = """
int16_t a;
int b = 42;
void* c = &b;
int* d = &b;
char e, *f = "abc", g, **h = &f;
"""
state = helpers_test.parse(testcode)
a = state.vars["a"]
b = state.vars["b"]
c = state.vars["c"]
d = state.vars["d"]
e = state.vars["e"]
f = state.vars["f"]
g = state.vars["g"]
h = state.vars["h"]
for v in "abcdefgh":
var = locals()[v]
assert state.vars[v] is var
assert var.name == v
assert a.type == CStdIntType("int16_t")
assert a.body is None
assert b.type == CBuiltinType(("int", ))
assert b.body is not None
assert b.body.getConstValue(state) == 42
assert c.type == CBuiltinType(("void", "*"))
#pprint(c.body) TODO: check <CStatement <COp '&'> <CStatement <CVarDecl 'b' ...
assert d.type == CPointerType(CBuiltinType(("int", )))
assert e.type == CBuiltinType(("char", ))
assert f.type == CPointerType(e.type)
assert h.type == CPointerType(f.type)
assert f.body.getConstValue(state) == "abc"
def test_interpreter_helloworld():
testcode = """
#include <stdio.h>
int main(int argc, char** argv) {
printf("Hello %s\n", "world");
printf("args: %i\n", argc);
int i;
for(i = 0; i < argc; ++i)
printf("%s\n", argv[i]);
fflush(stdout);
}
"""
state = helpers_test.parse(testcode, withGlobalIncludeWrappers=True)
from cparser import interpreter
interp = interpreter.Interpreter()
interp.register(state)
def dump():
for f in state.contentlist:
if not isinstance(f, cparser.CFunc): continue
if not f.body: continue
print()
print("parsed content of " + str(f) + ":")
for c in f.body.contentlist:
print(c)
print()
print("PyAST of main:")
interp.dumpFunc("main")
#interpreter.runFunc("main", len(sys.argv), sys.argv + [None])
import os
# os.pipe() returns pipein,pipeout
pipes = os.pipe(), os.pipe() # for stdin/stdout+stderr
if hasattr(os, "set_inheritable"):
# Python 3 by default will close all fds in subprocesses. This will avoid that.
os.set_inheritable(pipes[0][0], True)
os.set_inheritable(pipes[0][1], True)
os.set_inheritable(pipes[1][0], True)
os.set_inheritable(pipes[1][1], True)
pid = os.fork()
if pid == 0: # child
os.close(pipes[0][1])
os.close(pipes[1][0])
os.dup2(pipes[0][0], sys.__stdin__.fileno())
os.dup2(pipes[1][1], sys.__stdout__.fileno())
os.dup2(pipes[1][1], sys.__stderr__.fileno())
try:
interp.runFunc("main", 2, ["./test", "abc", None])
except SystemExit:
raise
except BaseException:
better_exchook.better_exchook(*sys.exc_info())
print("Normal exit.")
os._exit(0)
return
# parent
os.close(pipes[0][0])
os.close(pipes[1][1])
child_stdout = os.fdopen(pipes[1][0], "rb", 0)
child_stdout = child_stdout.readlines()
if PY3:
child_stdout = [l.decode("utf8") for l in child_stdout]
expected_out = [
"Hello world\n",
"args: 2\n",
"./test\n",
"abc\n",
"Normal exit.\n",
]
if expected_out != child_stdout:
print("Got output:")
print("".join(child_stdout))
dump()
print("run directly here now:")
interp.runFunc("main", 2, ["./test", "abc", None])
raise Exception("child stdout %r" % (child_stdout,))
def test_parse2():
helpers_test.parse("int16_t (*g)(char a, void*);")
def test_parse1():
helpers_test.parse("int16_t (*f)();")
def test_parse5():
helpers_test.parse("int (*apfi[3])(int *x, int *y);")
def test_parse4():
helpers_test.parse("int fx(void), *fip(), (*pfi)();")
def test_parse5():
helpers_test.parse("int (*apfi[3])(int *x, int *y);")
def test_parse3():
helpers_test.parse("int (*h);")
def test_interpreter_helloworld():
testcode = """
#include <stdio.h>
int main(int argc, char** argv) {
printf("Hello %s\n", "world");
printf("args: %i\n", argc);
int i;
for(i = 0; i < argc; ++i)
printf("%s\n", argv[i]);
}
"""
state = helpers_test.parse(testcode, withGlobalIncludeWrappers=True)
import interpreter
interp = interpreter.Interpreter()
interp.register(state)
def dump():
for f in state.contentlist:
if not isinstance(f, cparser.CFunc): continue
if not f.body: continue
print
print "parsed content of " + str(f) + ":"
for c in f.body.contentlist:
print c
print
print "PyAST of main:"
interp.dumpFunc("main")
#interpreter.runFunc("main", len(sys.argv), sys.argv + [None])
import os
# os.pipe() returns pipein,pipeout
pipes = os.pipe(), os.pipe() # for stdin/stdout+stderr
if os.fork() == 0: # child
os.close(pipes[0][1])
os.close(pipes[1][0])
os.dup2(pipes[0][0], sys.__stdin__.fileno())
os.dup2(pipes[1][1], sys.__stdout__.fileno())
os.dup2(pipes[1][1], sys.__stderr__.fileno())
try:
interp.runFunc("main", 2, ["./test", "abc", None])
except BaseException:
better_exchook.better_exchook(*sys.exc_info())
os._exit(0)
return
# parent
os.close(pipes[0][0])
os.close(pipes[1][1])
child_stdout = os.fdopen(pipes[1][0])
child_stdout = child_stdout.readlines()
expected_out = [
"Hello world\n",
"args: 2\n",
"./test\n",
"abc\n",
]
if expected_out != child_stdout:
print "Got output:"
print "".join(child_stdout)
dump()
assert False
def test_parse2():
helpers_test.parse("int16_t (*g)(char a, void*);")
def test_parse1():
helpers_test.parse("int16_t (*f)();")
def test_interpreter_helloworld():
testcode = """
#include <stdio.h>
int main(int argc, char** argv) {
printf("Hello %s\n", "world");
printf("args: %i\n", argc);
int i;
for(i = 0; i < argc; ++i)
printf("%s\n", argv[i]);
}
"""
state = helpers_test.parse(testcode, withGlobalIncludeWrappers=True)
import interpreter
interp = interpreter.Interpreter()
interp.register(state)
def dump():
for f in state.contentlist:
if not isinstance(f, cparser.CFunc): continue
if not f.body: continue
print
print "parsed content of " + str(f) + ":"
for c in f.body.contentlist:
print c
print
print "PyAST of main:"
interp.dumpFunc("main")
#interpreter.runFunc("main", len(sys.argv), sys.argv + [None])
import os
# os.pipe() returns pipein,pipeout
pipes = os.pipe(), os.pipe() # for stdin/stdout+stderr
if os.fork() == 0: # child
os.close(pipes[0][1])
os.close(pipes[1][0])
os.dup2(pipes[0][0], sys.__stdin__.fileno())
os.dup2(pipes[1][1], sys.__stdout__.fileno())
os.dup2(pipes[1][1], sys.__stderr__.fileno())
try:
interp.runFunc("main", 2, ["./test", "abc", None])
except BaseException:
better_exchook.better_exchook(*sys.exc_info())
os._exit(0)
return
# parent
os.close(pipes[0][0])
os.close(pipes[1][1])
child_stdout = os.fdopen(pipes[1][0])
child_stdout = child_stdout.readlines()
expected_out = [
"Hello world\n",
"args: 2\n",
"./test\n",
"abc\n",
]
if expected_out != child_stdout:
print "Got output:"
print "".join(child_stdout)
dump()
assert False
def test_parse3():
helpers_test.parse("int (*h);")
def test_parse4():
helpers_test.parse("int fx(void), *fip(), (*pfi)();")
