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24
pa2-tests/README.md
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# Tests for PA2: ChocoPy Semantic Analysis
Clone a student repository:
```
TEAM="team"
git clone --branch=pa2final \
https://github.com/nyu-compiler-construction/pa2-chocopy-semantic-analysis-${TEAM}
```
Build it:
```
cd pa2-chocopy-semantic-analysis-${TEAM}
mvn clean package
```
Clone the tests _into_ the student repository:
```
git clone https://github.com/nyu-compiler-construction/pa2-tests
```
Run the tests:
```
./pa2-tests/run-tests.sh
```

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pa2-tests/chocopy-ref.jar
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pa2-tests/core/ast_coverage.py
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count:int = 0
def foo(s: str) -> int:
return len(s)
class bar(object):
p: bool = True
def baz(self:"bar", xx: [int]) -> str:
global count
x:int = 0
y:int = 1
def qux(y: int) -> object:
nonlocal x
if x > y:
x = -1
for x in xx:
self.p = x == 2
qux(0) # Yay! ChocoPy
count = count + 1
while x <= 0:
if self.p:
xx[0] = xx[1]
self.p = not self.p
x = x + 1
elif foo("Long"[0]) == 1:
self.p = self is None
return "Nope"
print(bar().baz([1,2]))

627
pa2-tests/core/ast_coverage.py.ast
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11
pa2-tests/core/bad_assign_expr.py
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@ -0,0 +1,11 @@
x:int = 0
y:int = 0
z:bool = False
x = z = 1 # Only one error here (assignment to `x = 1` should succeed)
x = y = None
x = y = []
x = a = None
x = a = []
x = y = True

177
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301
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13
pa2-tests/core/bad_class_attr.py
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@ -0,0 +1,13 @@
class A(object):
x:int = 1
def foo(self:"A") -> int:
return 0
class B(A):
x:int = 2 # Bad
foo:str = "" # Bad
A()

155
pa2-tests/core/bad_class_attr.py.ast
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@ -0,0 +1,155 @@
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165
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@ -0,0 +1,165 @@
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4
pa2-tests/core/bad_class_attr_type.py
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@ -0,0 +1,4 @@
class A(object):
x:int = True
A()

60
pa2-tests/core/bad_class_attr_type.py.ast
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@ -0,0 +1,60 @@
{
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73
pa2-tests/core/bad_class_attr_type.py.ast.typed
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@ -0,0 +1,73 @@
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8
pa2-tests/core/bad_class_init_override.py
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@ -0,0 +1,8 @@
class A(object):
x:int = 1
def __init__(self:"A", x:int): # Bad override
pass
A(1)

106
pa2-tests/core/bad_class_init_override.py.ast
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@ -0,0 +1,106 @@
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111
pa2-tests/core/bad_class_init_override.py.ast.typed
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5
pa2-tests/core/bad_class_init_return.py
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@ -0,0 +1,5 @@
class A(object):
def __init__(self:"A"):
return 1 # Bad
A()

75
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6
pa2-tests/core/bad_class_member_expr.py
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@ -0,0 +1,6 @@
x:int = 0
o:object = None
x.foo
o.bar
o.baz = 1

110
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14
pa2-tests/core/bad_class_method.py
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@ -0,0 +1,14 @@
class A(object):
x:int = 1
def foo(self:"A") -> int: # OK
return 0
def bar() -> int: # Needs self param
return 0
def baz(self:int) -> int: # Incorrect self type
return 0
A()

158
pa2-tests/core/bad_class_method.py.ast
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"kind" : "CompilerError",
"location" : [ 7, 9, 7, 11 ],
"message" : "First parameter of the following method must be of the enclosing class: bar"
}, {
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"location" : [ 10, 9, 10, 11 ],
"message" : "First parameter of the following method must be of the enclosing class: baz"
} ],
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}
}

30
pa2-tests/core/bad_class_method_invoke.py
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class A(object):
x:int = 1
def get_A(self: "A") -> int:
return self.x
class B(A):
def __init__(self: "B"):
pass
class C(B):
z:bool = True
def set_A(self: "C", val: int) -> object:
self.x = val
a:A = None
b:B = None
c:C = None
a = A()
b = B()
c = C()
a.get_A(1)
b.get_Z()
c.set_A()
c.set_A(False)
c.set_A(None)

474
pa2-tests/core/bad_class_method_invoke.py.ast
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@ -0,0 +1,474 @@
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668
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@ -0,0 +1,668 @@
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"message" : "There is no method named `get_Z` in class `B`"
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"message" : "Expected 1 arguments; got 0"
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33
pa2-tests/core/bad_class_method_override.py
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@ -0,0 +1,33 @@
class A(object):
def foo(self:"A", x:int) -> int:
return x
def bar(self:"A", x:int) -> int:
return x
def baz(self:"A", x:int) -> int:
return x
def qux(self:"A", x:int) -> int:
return x
class B(A):
# OK override
def foo(self:"B", x:int) -> int:
return 0
# Bad override
def bar(self:"B") -> int:
return 0
# Bad override
def baz(self:"B", x:int) -> bool:
return True
# Bad override
def qux(self:"B", x:bool) -> int:
return 0
B()

439
pa2-tests/core/bad_class_method_override.py.ast
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@ -0,0 +1,439 @@
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454
pa2-tests/core/bad_class_method_override.py.ast.typed
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8
pa2-tests/core/bad_class_method_override_attr.py
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class A(object):
f:int = 3
class B(A):
def f(self:B) -> int:
return 3
A()

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pa2-tests/core/bad_class_method_override_attr.py.ast
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116
pa2-tests/core/bad_class_method_override_attr.py.ast.typed
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15
pa2-tests/core/bad_class_super.py
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@ -0,0 +1,15 @@
# Super is not defined
class A(B):
x:int = 1
z:int = 2
# Super is not a class
class B(z):
x:int = 1
# Cannot extend special classes
class C(int):
x:int = 1
A()

154
pa2-tests/core/bad_class_super.py.ast
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169
pa2-tests/core/bad_class_super.py.ast.typed
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@ -0,0 +1,169 @@
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}

3
pa2-tests/core/bad_concat.py
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@ -0,0 +1,3 @@
"Hello" + ["World"]
1 + [2]
[] + [1]

77
pa2-tests/core/bad_concat.py.ast
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@ -0,0 +1,77 @@
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149
pa2-tests/core/bad_concat.py.ast.typed
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18
pa2-tests/core/bad_duplicate_class.py
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@ -0,0 +1,18 @@
class A(object):
x:int = 1
z:bool = True
# Duplicate
class A(object):
x:int = 1
# Duplicate
class str(object):
x:int = 1
# Duplicate
class z(object):
x:int = 1
A()

190
pa2-tests/core/bad_duplicate_class.py.ast
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205
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12
pa2-tests/core/bad_duplicate_class_member.py
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@ -0,0 +1,12 @@
class A(object):
x:int = 1 # OK
def foo(self: "A") -> int: # OK
return 0
x:int = 1 # Duplicate
def foo(self: "A") -> int: # Duplicate
return 0
A()

156
pa2-tests/core/bad_duplicate_class_member.py.ast
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166
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18
pa2-tests/core/bad_duplicate_global.py
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x:int = 1
def foo() -> object:
pass
# `foo` cannot be redefined in the same scope
def foo() -> object:
pass
# `print` cannot be redefined in the same scope
def print(val:object) -> object:
pass
# `x` cannot be redefined in the same scope
x:int = 2
foo()

129
pa2-tests/core/bad_duplicate_global.py.ast
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144
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6
pa2-tests/core/bad_duplicate_global_2.py
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@ -0,0 +1,6 @@
class x(object):
pass
x:int = 5
pass

47
pa2-tests/core/bad_duplicate_global_2.py.ast
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52
pa2-tests/core/bad_duplicate_global_2.py.ast.typed
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21
pa2-tests/core/bad_duplicate_local.py
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@ -0,0 +1,21 @@
x:int = 1
y:int = 2
z:int = 3
def foo(x:int) -> object:
y:int = 4 # OK
x:int = 5 # Duplicate declaration
global z # OK
global y # Duplicate declaration
def x() -> int: # Duplicate declaration
return 0
pass
def bar(x:int, x:int) -> int: # Duplicate params
return x
foo(1)

257
pa2-tests/core/bad_duplicate_local.py.ast
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13
pa2-tests/core/bad_expr_binary.py
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1 and 2
1 or 2
True - False
True < False
1 + True
False + 0
1 == True
False != 0
1 is 1
True is False
None + None
None == None
None is None

239
pa2-tests/core/bad_expr_binary.py.ast
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{
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455
pa2-tests/core/bad_expr_binary.py.ast.typed
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@ -0,0 +1,455 @@
{
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}, {
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"message" : "Cannot apply operator `<` on types `bool` and `bool`"
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"message" : "Cannot apply operator `==` on types `<None>` and `<None>`"
} ],
"kind" : "Errors",
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}
}

2
pa2-tests/core/bad_expr_if.py
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x: int = 0
x = "Hello" if 2 > 3 else 3

70
pa2-tests/core/bad_expr_if.py.ast
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{
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"kind" : "AssignStmt",
"location" : [ 2, 1, 2, 27 ],
"targets" : [ {
"kind" : "Identifier",
"location" : [ 2, 1, 2, 1 ],
"name" : "x"
} ],
"value" : {
"kind" : "IfExpr",
"location" : [ 2, 5, 2, 27 ],
"condition" : {
"kind" : "BinaryExpr",
"location" : [ 2, 16, 2, 20 ],
"left" : {
"kind" : "IntegerLiteral",
"location" : [ 2, 16, 2, 16 ],
"value" : 2
},
"operator" : ">",
"right" : {
"kind" : "IntegerLiteral",
"location" : [ 2, 20, 2, 20 ],
"value" : 3
}
},
"thenExpr" : {
"kind" : "StringLiteral",
"location" : [ 2, 5, 2, 11 ],
"value" : "Hello"
},
"elseExpr" : {
"kind" : "IntegerLiteral",
"location" : [ 2, 27, 2, 27 ],
"value" : 3
}
}
} ],
"errors" : {
"errors" : [ ],
"kind" : "Errors",
"location" : [ 0, 0, 0, 0 ]
}
}

107
pa2-tests/core/bad_expr_if.py.ast.typed
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{
"kind" : "Program",
"location" : [ 1, 1, 2, 28 ],
"declarations" : [ {
"kind" : "VarDef",
"location" : [ 1, 1, 1, 10 ],
"var" : {
"kind" : "TypedVar",
"location" : [ 1, 1, 1, 6 ],
"identifier" : {
"kind" : "Identifier",
"location" : [ 1, 1, 1, 1 ],
"name" : "x"
},
"type" : {
"kind" : "ClassType",
"location" : [ 1, 4, 1, 6 ],
"className" : "int"
}
},
"value" : {
"kind" : "IntegerLiteral",
"location" : [ 1, 10, 1, 10 ],
"inferredType" : {
"kind" : "ClassValueType",
"className" : "int"
},
"value" : 0
}
} ],
"statements" : [ {
"kind" : "AssignStmt",
"location" : [ 2, 1, 2, 27 ],
"errorMsg" : "Expected type `int`; got type `object`",
"targets" : [ {
"kind" : "Identifier",
"location" : [ 2, 1, 2, 1 ],
"inferredType" : {
"kind" : "ClassValueType",
"className" : "int"
},
"name" : "x"
} ],
"value" : {
"kind" : "IfExpr",
"location" : [ 2, 5, 2, 27 ],
"inferredType" : {
"kind" : "ClassValueType",
"className" : "object"
},
"condition" : {
"kind" : "BinaryExpr",
"location" : [ 2, 16, 2, 20 ],
"inferredType" : {
"kind" : "ClassValueType",
"className" : "bool"
},
"left" : {
"kind" : "IntegerLiteral",
"location" : [ 2, 16, 2, 16 ],
"inferredType" : {
"kind" : "ClassValueType",
"className" : "int"
},
"value" : 2
},
"operator" : ">",
"right" : {
"kind" : "IntegerLiteral",
"location" : [ 2, 20, 2, 20 ],
"inferredType" : {
"kind" : "ClassValueType",
"className" : "int"
},
"value" : 3
}
},
"thenExpr" : {
"kind" : "StringLiteral",
"location" : [ 2, 5, 2, 11 ],
"inferredType" : {
"kind" : "ClassValueType",
"className" : "str"
},
"value" : "Hello"
},
"elseExpr" : {
"kind" : "IntegerLiteral",
"location" : [ 2, 27, 2, 27 ],
"inferredType" : {
"kind" : "ClassValueType",
"className" : "int"
},
"value" : 3
}
}
} ],
"errors" : {
"errors" : [ {
"kind" : "CompilerError",
"location" : [ 2, 1, 2, 27 ],
"message" : "Expected type `int`; got type `object`"
} ],
"kind" : "Errors",
"location" : [ 0, 0, 0, 0 ]
}
}

4
pa2-tests/core/bad_expr_unary.py
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@ -0,0 +1,4 @@
not "Bad"
-True
-None
not []

62
pa2-tests/core/bad_expr_unary.py.ast
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@ -0,0 +1,62 @@
{
"kind" : "Program",
"location" : [ 1, 1, 4, 7 ],
"declarations" : [ ],
"statements" : [ {
"kind" : "ExprStmt",
"location" : [ 1, 1, 1, 9 ],
"expr" : {
"kind" : "UnaryExpr",
"location" : [ 1, 1, 1, 9 ],
"operator" : "not",
"operand" : {
"kind" : "StringLiteral",
"location" : [ 1, 5, 1, 9 ],
"value" : "Bad"
}
}
}, {
"kind" : "ExprStmt",
"location" : [ 2, 1, 2, 5 ],
"expr" : {
"kind" : "UnaryExpr",
"location" : [ 2, 1, 2, 5 ],
"operator" : "-",
"operand" : {
"kind" : "BooleanLiteral",
"location" : [ 2, 2, 2, 5 ],
"value" : true
}
}
}, {
"kind" : "ExprStmt",
"location" : [ 3, 1, 3, 5 ],
"expr" : {
"kind" : "UnaryExpr",
"location" : [ 3, 1, 3, 5 ],
"operator" : "-",
"operand" : {
"kind" : "NoneLiteral",
"location" : [ 3, 2, 3, 5 ]
}
}
}, {
"kind" : "ExprStmt",
"location" : [ 4, 1, 4, 6 ],
"expr" : {
"kind" : "UnaryExpr",
"location" : [ 4, 1, 4, 6 ],
"operator" : "not",
"operand" : {
"kind" : "ListExpr",
"location" : [ 4, 5, 4, 6 ],
"elements" : [ ]
}
}
} ],
"errors" : {
"errors" : [ ],
"kind" : "Errors",
"location" : [ 0, 0, 0, 0 ]
}
}

114
pa2-tests/core/bad_expr_unary.py.ast.typed
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@ -0,0 +1,114 @@
{
"kind" : "Program",
"location" : [ 1, 1, 4, 7 ],
"declarations" : [ ],
"statements" : [ {
"kind" : "ExprStmt",
"location" : [ 1, 1, 1, 9 ],
"expr" : {
"kind" : "UnaryExpr",
"location" : [ 1, 1, 1, 9 ],
"errorMsg" : "Cannot apply operator `not` on type `str`",
"inferredType" : {
"kind" : "ClassValueType",
"className" : "bool"
},
"operator" : "not",
"operand" : {
"kind" : "StringLiteral",
"location" : [ 1, 5, 1, 9 ],
"inferredType" : {
"kind" : "ClassValueType",
"className" : "str"
},
"value" : "Bad"
}
}
}, {
"kind" : "ExprStmt",
"location" : [ 2, 1, 2, 5 ],
"expr" : {
"kind" : "UnaryExpr",
"location" : [ 2, 1, 2, 5 ],
"errorMsg" : "Cannot apply operator `-` on type `bool`",
"inferredType" : {
"kind" : "ClassValueType",
"className" : "int"
},
"operator" : "-",
"operand" : {
"kind" : "BooleanLiteral",
"location" : [ 2, 2, 2, 5 ],
"inferredType" : {
"kind" : "ClassValueType",
"className" : "bool"
},
"value" : true
}
}
}, {
"kind" : "ExprStmt",
"location" : [ 3, 1, 3, 5 ],
"expr" : {
"kind" : "UnaryExpr",
"location" : [ 3, 1, 3, 5 ],
"errorMsg" : "Cannot apply operator `-` on type `<None>`",
"inferredType" : {
"kind" : "ClassValueType",
"className" : "int"
},
"operator" : "-",
"operand" : {
"kind" : "NoneLiteral",
"location" : [ 3, 2, 3, 5 ],
"inferredType" : {
"kind" : "ClassValueType",
"className" : "<None>"
}
}
}
}, {
"kind" : "ExprStmt",
"location" : [ 4, 1, 4, 6 ],
"expr" : {
"kind" : "UnaryExpr",
"location" : [ 4, 1, 4, 6 ],
"errorMsg" : "Cannot apply operator `not` on type `<Empty>`",
"inferredType" : {
"kind" : "ClassValueType",
"className" : "bool"
},
"operator" : "not",
"operand" : {
"kind" : "ListExpr",
"location" : [ 4, 5, 4, 6 ],
"inferredType" : {
"kind" : "ClassValueType",
"className" : "<Empty>"
},
"elements" : [ ]
}
}
} ],
"errors" : {
"errors" : [ {
"kind" : "CompilerError",
"location" : [ 1, 1, 1, 9 ],
"message" : "Cannot apply operator `not` on type `str`"
}, {
"kind" : "CompilerError",
"location" : [ 2, 1, 2, 5 ],
"message" : "Cannot apply operator `-` on type `bool`"
}, {
"kind" : "CompilerError",
"location" : [ 3, 1, 3, 5 ],
"message" : "Cannot apply operator `-` on type `<None>`"
}, {
"kind" : "CompilerError",
"location" : [ 4, 1, 4, 6 ],
"message" : "Cannot apply operator `not` on type `<Empty>`"
} ],
"kind" : "Errors",
"location" : [ 0, 0, 0, 0 ]
}
}

13
pa2-tests/core/bad_func_def_call.py
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def foo(x:str, y:bool) -> int:
return bar()
def bar() -> int:
return 1
# All of the below are bad calls
foo("Hello")
foo("Hello", False, 3)
foo("Hello", 3)
foo(1, "Hello")
baz()

187
pa2-tests/core/bad_func_def_call.py.ast
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@ -0,0 +1,187 @@
{
"kind" : "Program",
"location" : [ 1, 1, 12, 6 ],
"declarations" : [ {
"kind" : "FuncDef",
"location" : [ 1, 1, 2, 17 ],
"name" : {
"kind" : "Identifier",
"location" : [ 1, 5, 1, 7 ],
"name" : "foo"
},
"params" : [ {
"kind" : "TypedVar",
"location" : [ 1, 9, 1, 13 ],
"identifier" : {
"kind" : "Identifier",
"location" : [ 1, 9, 1, 9 ],
"name" : "x"
},
"type" : {
"kind" : "ClassType",
"location" : [ 1, 11, 1, 13 ],
"className" : "str"
}
}, {
"kind" : "TypedVar",
"location" : [ 1, 16, 1, 21 ],
"identifier" : {
"kind" : "Identifier",
"location" : [ 1, 16, 1, 16 ],
"name" : "y"
},
"type" : {
"kind" : "ClassType",
"location" : [ 1, 18, 1, 21 ],
"className" : "bool"
}
} ],
"returnType" : {
"kind" : "ClassType",
"location" : [ 1, 27, 1, 29 ],
"className" : "int"
},
"declarations" : [ ],
"statements" : [ {
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"location" : [ 2, 5, 2, 16 ],
"value" : {
"kind" : "CallExpr",
"location" : [ 2, 12, 2, 16 ],
"function" : {
"kind" : "Identifier",
"location" : [ 2, 12, 2, 14 ],
"name" : "bar"
},
"args" : [ ]
}
} ]
}, {
"kind" : "FuncDef",
"location" : [ 4, 1, 5, 13 ],
"name" : {
"kind" : "Identifier",
"location" : [ 4, 5, 4, 7 ],
"name" : "bar"
},
"params" : [ ],
"returnType" : {
"kind" : "ClassType",
"location" : [ 4, 14, 4, 16 ],
"className" : "int"
},
"declarations" : [ ],
"statements" : [ {
"kind" : "ReturnStmt",
"location" : [ 5, 5, 5, 12 ],
"value" : {
"kind" : "IntegerLiteral",
"location" : [ 5, 12, 5, 12 ],
"value" : 1
}
} ]
} ],
"statements" : [ {
"kind" : "ExprStmt",
"location" : [ 8, 1, 8, 12 ],
"expr" : {
"kind" : "CallExpr",
"location" : [ 8, 1, 8, 12 ],
"function" : {
"kind" : "Identifier",
"location" : [ 8, 1, 8, 3 ],
"name" : "foo"
},
"args" : [ {
"kind" : "StringLiteral",
"location" : [ 8, 5, 8, 11 ],
"value" : "Hello"
} ]
}
}, {
"kind" : "ExprStmt",
"location" : [ 9, 1, 9, 22 ],
"expr" : {
"kind" : "CallExpr",
"location" : [ 9, 1, 9, 22 ],
"function" : {
"kind" : "Identifier",
"location" : [ 9, 1, 9, 3 ],
"name" : "foo"
},
"args" : [ {
"kind" : "StringLiteral",
"location" : [ 9, 5, 9, 11 ],
"value" : "Hello"
}, {
"kind" : "BooleanLiteral",
"location" : [ 9, 14, 9, 18 ],
"value" : false
}, {
"kind" : "IntegerLiteral",
"location" : [ 9, 21, 9, 21 ],
"value" : 3
} ]
}
}, {
"kind" : "ExprStmt",
"location" : [ 10, 1, 10, 15 ],
"expr" : {
"kind" : "CallExpr",
"location" : [ 10, 1, 10, 15 ],
"function" : {
"kind" : "Identifier",
"location" : [ 10, 1, 10, 3 ],
"name" : "foo"
},
"args" : [ {
"kind" : "StringLiteral",
"location" : [ 10, 5, 10, 11 ],
"value" : "Hello"
}, {
"kind" : "IntegerLiteral",
"location" : [ 10, 14, 10, 14 ],
"value" : 3
} ]
}
}, {
"kind" : "ExprStmt",
"location" : [ 11, 1, 11, 15 ],
"expr" : {
"kind" : "CallExpr",
"location" : [ 11, 1, 11, 15 ],
"function" : {
"kind" : "Identifier",
"location" : [ 11, 1, 11, 3 ],
"name" : "foo"
},
"args" : [ {
"kind" : "IntegerLiteral",
"location" : [ 11, 5, 11, 5 ],
"value" : 1
}, {
"kind" : "StringLiteral",
"location" : [ 11, 8, 11, 14 ],
"value" : "Hello"
} ]
}
}, {
"kind" : "ExprStmt",
"location" : [ 12, 1, 12, 5 ],
"expr" : {
"kind" : "CallExpr",
"location" : [ 12, 1, 12, 5 ],
"function" : {
"kind" : "Identifier",
"location" : [ 12, 1, 12, 3 ],
"name" : "baz"
},
"args" : [ ]
}
} ],
"errors" : {
"errors" : [ ],
"kind" : "Errors",
"location" : [ 0, 0, 0, 0 ]
}
}

336
pa2-tests/core/bad_func_def_call.py.ast.typed
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@ -0,0 +1,336 @@
{
"kind" : "Program",
"location" : [ 1, 1, 12, 6 ],
"declarations" : [ {
"kind" : "FuncDef",
"location" : [ 1, 1, 2, 17 ],
"name" : {
"kind" : "Identifier",
"location" : [ 1, 5, 1, 7 ],
"name" : "foo"
},
"params" : [ {
"kind" : "TypedVar",
"location" : [ 1, 9, 1, 13 ],
"identifier" : {
"kind" : "Identifier",
"location" : [ 1, 9, 1, 9 ],
"name" : "x"
},
"type" : {
"kind" : "ClassType",
"location" : [ 1, 11, 1, 13 ],
"className" : "str"
}
}, {
"kind" : "TypedVar",
"location" : [ 1, 16, 1, 21 ],
"identifier" : {
"kind" : "Identifier",
"location" : [ 1, 16, 1, 16 ],
"name" : "y"
},
"type" : {
"kind" : "ClassType",
"location" : [ 1, 18, 1, 21 ],
"className" : "bool"
}
} ],
"returnType" : {
"kind" : "ClassType",
"location" : [ 1, 27, 1, 29 ],
"className" : "int"
},
"declarations" : [ ],
"statements" : [ {
"kind" : "ReturnStmt",
"location" : [ 2, 5, 2, 16 ],
"value" : {
"kind" : "CallExpr",
"location" : [ 2, 12, 2, 16 ],
"inferredType" : {
"kind" : "ClassValueType",
"className" : "int"
},
"function" : {
"kind" : "Identifier",
"location" : [ 2, 12, 2, 14 ],
"inferredType" : {
"kind" : "FuncType",
"parameters" : [ ],
"returnType" : {
"kind" : "ClassValueType",
"className" : "int"
}
},
"name" : "bar"
},
"args" : [ ]
}
} ]
}, {
"kind" : "FuncDef",
"location" : [ 4, 1, 5, 13 ],
"name" : {
"kind" : "Identifier",
"location" : [ 4, 5, 4, 7 ],
"name" : "bar"
},
"params" : [ ],
"returnType" : {
"kind" : "ClassType",
"location" : [ 4, 14, 4, 16 ],
"className" : "int"
},
"declarations" : [ ],
"statements" : [ {
"kind" : "ReturnStmt",
"location" : [ 5, 5, 5, 12 ],
"value" : {
"kind" : "IntegerLiteral",
"location" : [ 5, 12, 5, 12 ],
"inferredType" : {
"kind" : "ClassValueType",
"className" : "int"
},
"value" : 1
}
} ]
} ],
"statements" : [ {
"kind" : "ExprStmt",
"location" : [ 8, 1, 8, 12 ],
"expr" : {
"kind" : "CallExpr",
"location" : [ 8, 1, 8, 12 ],
"errorMsg" : "Expected 2 arguments; got 1",
"inferredType" : {
"kind" : "ClassValueType",
"className" : "int"
},
"function" : {
"kind" : "Identifier",
"location" : [ 8, 1, 8, 3 ],
"inferredType" : {
"kind" : "FuncType",
"parameters" : [ {
"kind" : "ClassValueType",
"className" : "str"
}, {
"kind" : "ClassValueType",
"className" : "bool"
} ],
"returnType" : {
"kind" : "ClassValueType",
"className" : "int"
}
},
"name" : "foo"
},
"args" : [ {
"kind" : "StringLiteral",
"location" : [ 8, 5, 8, 11 ],
"inferredType" : {
"kind" : "ClassValueType",
"className" : "str"
},
"value" : "Hello"
} ]
}
}, {
"kind" : "ExprStmt",
"location" : [ 9, 1, 9, 22 ],
"expr" : {
"kind" : "CallExpr",
"location" : [ 9, 1, 9, 22 ],
"errorMsg" : "Expected 2 arguments; got 3",
"inferredType" : {
"kind" : "ClassValueType",
"className" : "int"
},
"function" : {
"kind" : "Identifier",
"location" : [ 9, 1, 9, 3 ],
"inferredType" : {
"kind" : "FuncType",
"parameters" : [ {
"kind" : "ClassValueType",
"className" : "str"
}, {
"kind" : "ClassValueType",
"className" : "bool"
} ],
"returnType" : {
"kind" : "ClassValueType",
"className" : "int"
}
},
"name" : "foo"
},
"args" : [ {
"kind" : "StringLiteral",
"location" : [ 9, 5, 9, 11 ],
"inferredType" : {
"kind" : "ClassValueType",
"className" : "str"
},
"value" : "Hello"
}, {
"kind" : "BooleanLiteral",
"location" : [ 9, 14, 9, 18 ],
"inferredType" : {
"kind" : "ClassValueType",
"className" : "bool"
},
"value" : false
}, {
"kind" : "IntegerLiteral",
"location" : [ 9, 21, 9, 21 ],
"inferredType" : {
"kind" : "ClassValueType",
"className" : "int"
},
"value" : 3
} ]
}
}, {
"kind" : "ExprStmt",
"location" : [ 10, 1, 10, 15 ],
"expr" : {
"kind" : "CallExpr",
"location" : [ 10, 1, 10, 15 ],
"errorMsg" : "Expected type `bool`; got type `int` in parameter 1",
"inferredType" : {
"kind" : "ClassValueType",
"className" : "int"
},
"function" : {
"kind" : "Identifier",
"location" : [ 10, 1, 10, 3 ],
"inferredType" : {
"kind" : "FuncType",
"parameters" : [ {
"kind" : "ClassValueType",
"className" : "str"
}, {
"kind" : "ClassValueType",
"className" : "bool"
} ],
"returnType" : {
"kind" : "ClassValueType",
"className" : "int"
}
},
"name" : "foo"
},
"args" : [ {
"kind" : "StringLiteral",
"location" : [ 10, 5, 10, 11 ],
"inferredType" : {
"kind" : "ClassValueType",
"className" : "str"
},
"value" : "Hello"
}, {
"kind" : "IntegerLiteral",
"location" : [ 10, 14, 10, 14 ],
"inferredType" : {
"kind" : "ClassValueType",
"className" : "int"
},
"value" : 3
} ]
}
}, {
"kind" : "ExprStmt",
"location" : [ 11, 1, 11, 15 ],
"expr" : {
"kind" : "CallExpr",
"location" : [ 11, 1, 11, 15 ],
"errorMsg" : "Expected type `str`; got type `int` in parameter 0",
"inferredType" : {
"kind" : "ClassValueType",
"className" : "int"
},
"function" : {
"kind" : "Identifier",
"location" : [ 11, 1, 11, 3 ],
"inferredType" : {
"kind" : "FuncType",
"parameters" : [ {
"kind" : "ClassValueType",
"className" : "str"
}, {
"kind" : "ClassValueType",
"className" : "bool"
} ],
"returnType" : {
"kind" : "ClassValueType",
"className" : "int"
}
},
"name" : "foo"
},
"args" : [ {
"kind" : "IntegerLiteral",
"location" : [ 11, 5, 11, 5 ],
"inferredType" : {
"kind" : "ClassValueType",
"className" : "int"
},
"value" : 1
}, {
"kind" : "StringLiteral",
"location" : [ 11, 8, 11, 14 ],
"inferredType" : {
"kind" : "ClassValueType",
"className" : "str"
},
"value" : "Hello"
} ]
}
}, {
"kind" : "ExprStmt",
"location" : [ 12, 1, 12, 5 ],
"expr" : {
"kind" : "CallExpr",
"location" : [ 12, 1, 12, 5 ],
"errorMsg" : "Not a function or class: baz",
"inferredType" : {
"kind" : "ClassValueType",
"className" : "object"
},
"function" : {
"kind" : "Identifier",
"location" : [ 12, 1, 12, 3 ],
"name" : "baz"
},
"args" : [ ]
}
} ],
"errors" : {
"errors" : [ {
"kind" : "CompilerError",
"location" : [ 8, 1, 8, 12 ],
"message" : "Expected 2 arguments; got 1"
}, {
"kind" : "CompilerError",
"location" : [ 9, 1, 9, 22 ],
"message" : "Expected 2 arguments; got 3"
}, {
"kind" : "CompilerError",
"location" : [ 10, 1, 10, 15 ],
"message" : "Expected type `bool`; got type `int` in parameter 1"
}, {
"kind" : "CompilerError",
"location" : [ 11, 1, 11, 15 ],
"message" : "Expected type `str`; got type `int` in parameter 0"
}, {
"kind" : "CompilerError",
"location" : [ 12, 1, 12, 5 ],
"message" : "Not a function or class: baz"
} ],
"kind" : "Errors",
"location" : [ 0, 0, 0, 0 ]
}
}

10
pa2-tests/core/bad_func_def_return.py
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@ -0,0 +1,10 @@
def foo(x:str, y:bool) -> int:
return None
def bar() -> bool:
return 1
def baz() -> str:
return
foo("Hello", False)

125
pa2-tests/core/bad_func_def_return.py.ast
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@ -0,0 +1,125 @@
{
"kind" : "Program",
"location" : [ 1, 1, 10, 20 ],
"declarations" : [ {
"kind" : "FuncDef",
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6
pa2-tests/core/bad_list_assign.py
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x:[int] = None
y:[object] = None
x = [1, 2, 3]
y = x
y = [1]

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7
pa2-tests/core/bad_list_index.py
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@ -0,0 +1,7 @@
x:[int] = None
x = [1, 2, 3]
x[True] # Bad
False[0] # Bad
[][0] # Bad
x[True] = x[False] = 1

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23
pa2-tests/core/bad_local_assign.py
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@ -0,0 +1,23 @@
x:int = 1
y:int = 2
z:int = 3
def foo(x:int) -> object:
y:int = 4 # OK
global z # OK
def qux() -> int:
y = 1 # Bad, nonlocal not declared
return 0
z = 1 # OK
pass
def bar(x:int) -> int:
z = 1 # Bad, global not declared
return x
foo(1)

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14
pa2-tests/core/bad_none_assign.py
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@ -0,0 +1,14 @@
class A(object):
x:int = 1
y:[bool] = None
z:str = ""
a:A = None
a = A()
# Cannot assign None to integer/bool/str types
z = None
a.x = None
y[0] = None

187
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@ -0,0 +1,187 @@
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265
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25
pa2-tests/core/bad_nonlocal_global.py
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@ -0,0 +1,25 @@
x:int = 1
y:int = 2
z:int = 3
def foo() -> object:
global x # OK
nonlocal y # No such nonlocal var
global w # No such global var
global int # No such global var
z:bool = True # OK
def bar() -> object:
global x # OK
nonlocal z # OK
nonlocal y # No such nonlocal var
global foo # No such global var
nonlocal bar # No such nonlocal var
pass
bar()
foo()

229
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259
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6
pa2-tests/core/bad_return_missing.py
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@ -0,0 +1,6 @@
def foo() -> int:
if True:
return 1
# Bad: all paths MUST return int
foo()

58
pa2-tests/core/bad_return_missing.py.ast
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@ -0,0 +1,58 @@
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63
pa2-tests/core/bad_return_missing.py.ast.typed
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@ -0,0 +1,63 @@
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3
pa2-tests/core/bad_return_top.py
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x:int = 0
return x

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14
pa2-tests/core/bad_shadow_local.py
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@ -0,0 +1,14 @@
class A(object):
x:int = 1
def foo(x:int, bool:str) -> object: # Second param uses an invalid name
y:int = 4 # OK
A:int = 5 # Invalid name
object:str = "" # Invalid name
def str() -> bool: # Invalid name
return False
pass
pass

179
pa2-tests/core/bad_shadow_local.py.ast
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199
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8
pa2-tests/core/bad_shadow_local_2.py
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@ -0,0 +1,8 @@
def foo(x:int) -> object:
A:int = 5 # Invalid name
pass
class A(object):
x:int = 1
pass

98
pa2-tests/core/bad_shadow_local_2.py.ast
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@ -0,0 +1,98 @@
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10
pa2-tests/core/bad_strings.py
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@ -0,0 +1,10 @@
x:str = "Hello"
y:str = "World"
z:str = ""
1 + x
z = x + 1
z = x[0] = y
x[1] = y
x[True]

183
pa2-tests/core/bad_strings.py.ast
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