def main(fileObj):
global_env = make_builtins()
tokenizer = Tokenizer(PeekableStream(fileObj), False)
tokenList = tokenizer.read_all()
tokenString = tokenizer.as_string()
# print tokenString
parser = Parser(tokenList)
code = parser.read_all()
codeString = parser.as_string()
# print codeString
env = Dict(global_env)
val = code.evaluate(env)
result = val.call(None, List([]), env)
if result is not None:
print result.as_string("")
else:
print None
print "-"*50
def test_evaluator():
from parse import Parser
from lex import Tokenizer, mockfile
from function import make_builtins
global_env = make_builtins()
test_list = """
# NEXT 4;
# NEXT def x = 4;
# NEXT def x = 4; x;
# NEXT def x = ["a", "b"]; x;
# NEXT def x = ["a", "b"]; x[0];
# NEXT ["a", "b"][0];
# NEXT {4;}[];
# NEXT ![x]{x;};
# NEXT ![x]{x;}[5];
# NEXT
def x = 6;
def ret4 = ![x]{
set x = 4;
x;
};
set x = 9;
ret4[x];
x;
# NEXT
def a = 1;
def b = ();
def c = ( d=3);
# NEXT 4.str;
# NEXT 4.str[];
# NEXT 4.add[2];
# NEXT
def add4 = {
![y]{4.add[y]}
};
add4[][1];
# NEXT
def addN = ![n]{
![y]{n.add[y]}
};
var add2 = addN[2];
add2[9];
# NEXT
true;
# NEXT
true.ifTrue[{4},{5}];
# NEXT
false.ifTrue[{4},{5}];
# NEXT File;
# NEXT File["../README.md"];
# NEXT
def x = File["../README.md"];
x.read[1];
var y = x.read[5];
x.close[];
y;
# NEXT
def x = ( y=4 );
def n = { inc x; y };
n[];
# NEXT
def x = {
def y = 4;
Frame[];
};
x[];
# NEXT
def Statement = {
var kind;
def str = {Error["not implemented"]};
def call = {Error["not implemented"]};
def eval = {Error["not implemented"]};
def get = {Error["not implemented"]};
Frame[];
}[];
Print["Statement = "];
Print[Statement];
def Var = {
inc Statement;
set kind = "var";
var name;
var chain;
Frame[];
}[];
Print["Var = "];
Print[Var];
4;
""".split("# NEXT")
print "-"*50
for inputString in test_list:
print inputString.strip()
tokenizer = Tokenizer(mockfile(inputString), False)
tokenList = tokenizer.read_all()
tokenString = tokenizer.as_string()
print tokenString
parser = Parser(tokenList)
code = parser.read_all()
codeString = parser.as_string()
print codeString
env = Dict(global_env)
val = code.evaluate(env)
result = val.call(None, List([]), env)
if result is not None:
print result.as_string("")
else:
print None
print "-"*50