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utils.py
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1584 lines (1069 loc) · 35.9 KB
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import os
import sys
from sys import platform
import ast
from ast import *
from dataclasses import dataclass
# move these to the compilers, use a method with overrides -Jeremy
builtin_functions = \
{'input_int', 'print',
'arity',
'len',
'array_len', 'array_load', 'array_store',
'any_load', 'any_load_unsafe', 'any_store', 'any_store_unsafe',
'any_len', 'make_any',
'exit',
'is_tuple_proxy', 'project_tuple', 'proxy_tuple_load', 'proxy_tuple_len',
'is_array_proxy', 'project_array', 'proxy_array_load', 'proxy_array_len',
'proxy_array_store',
}
tag_is_array_right_shift = 62
tag_is_proxy_right_shift = 63
################################################################################
# repr for classes in the ast module
################################################################################
indent_amount = 2
def indent_stmt():
return " " * indent_amount
def indent():
global indent_amount
indent_amount += 2
def dedent():
global indent_amount
indent_amount -= 2
def str_Module(self):
indent()
body = ''.join([str(s) for s in self.body])
dedent()
return body
Module.__str__ = str_Module
def repr_Module(self):
return 'Module(' + repr(self.body) + ')'
Module.__repr__ = repr_Module
def str_Expr(self):
return indent_stmt() + str(self.value) + '\n'
Expr.__str__ = str_Expr
def repr_Expr(self):
return indent_stmt() + 'Expr(' + repr(self.value) + ')'
Expr.__repr__ = repr_Expr
def str_Pass(self):
return indent_stmt() + 'pass\n'
Pass.__str__ = str_Pass
def repr_Pass(self):
return indent_stmt() + 'Pass()'
Pass.__repr__ = repr_Pass
def str_Assign(self):
return indent_stmt() + str(self.targets[0]) + ' = ' + str(self.value) + '\n'
Assign.__str__ = str_Assign
def repr_Assign(self):
return indent_stmt() + 'Assign(' + repr(self.targets) + ', ' + repr(self.value) + ')'
Assign.__repr__ = repr_Assign
def str_AnnAssign(self):
return indent_stmt() + str(self.target) + ' : ' + str(self.annotation) + ' = ' + str(self.value) + '\n'
AnnAssign.__str__ = str_AnnAssign
def repr_AnnAssign(self):
return indent_stmt() + 'AnnAssign(' + repr(self.target) + ', ' \
+ repr(self.annotation) + ', ' + repr(self.value) + ')'
AnnAssign.__repr__ = repr_AnnAssign
def str_Return(self):
return indent_stmt() + 'return ' + str(self.value) + '\n'
Return.__str__ = str_Return
def repr_Return(self):
return indent_stmt() + 'Return(' + repr(self.value) + ')'
Return.__repr__ = repr_Return
def str_Name(self):
if hasattr(self, 'has_type'):
return self.id + ':' + str(self.has_type)
else:
return self.id
Name.__str__ = str_Name
def repr_Name(self):
return 'Name(' + repr(self.id) + ')'
Name.__repr__ = repr_Name
def str_Constant(self):
return str(self.value)
Constant.__str__ = str_Constant
def repr_Constant(self):
return 'Constant(' + repr(self.value) + ')'
Constant.__repr__ = repr_Constant
def str_Add(self):
return '+'
Add.__str__ = str_Add
def repr_Add(self):
return 'Add()'
Add.__repr__ = repr_Add
def str_Sub(self):
return '-'
Sub.__str__ = str_Sub
def repr_Sub(self):
return 'Sub()'
Sub.__repr__ = repr_Sub
def str_Mult(self):
return '*'
Mult.__str__ = str_Mult
def repr_Mult(self):
return 'Mult()'
Mult.__repr__ = repr_Mult
def str_And(self):
return 'and'
And.__str__ = str_And
def repr_And(self):
return 'And()'
And.__repr__ = repr_And
def str_Or(self):
return 'or'
Or.__str__ = str_Or
def repr_Or(self):
return 'Or()'
Or.__repr__ = repr_Or
def str_BinOp(self):
return '(' + str(self.left) + ' ' + str(self.op) + ' ' + str(self.right) + ')'
BinOp.__str__ = str_BinOp
def repr_BinOp(self):
return 'BinOp(' + repr(self.left) + ', ' + repr(self.op) + ', ' + repr(self.right) + ')'
BinOp.__repr__ = repr_BinOp
def str_BoolOp(self):
return '(' + str(self.values[0]) + ' ' + str(self.op) + ' ' + str(self.values[1]) + ')'
BoolOp.__str__ = str_BoolOp
def repr_BoolOp(self):
return repr(self.values[0]) + ' ' + repr(self.op) + ' ' + repr(self.values[1])
BoolOp.__repr__ = repr_BoolOp
def str_USub(self):
return '-'
USub.__str__ = str_USub
def repr_USub(self):
return 'USub()'
USub.__repr__ = repr_USub
def str_Not(self):
return 'not'
Not.__str__ = str_Not
def repr_Not(self):
return 'Not()'
Not.__repr__ = repr_Not
def str_UnaryOp(self):
return str(self.op) + ' ' + str(self.operand)
UnaryOp.__str__ = str_UnaryOp
def repr_UnaryOp(self):
return 'UnaryOp(' + repr(self.op) + ', ' + repr(self.operand) + ')'
UnaryOp.__repr__ = repr_UnaryOp
def str_Call(self):
return str(self.func) \
+ '(' + ', '.join([str(arg) for arg in self.args]) + ')'
Call.__str__ = str_Call
def repr_Call(self):
return 'Call(' + repr(self.func) + ', ' + repr(self.args) + ')'
Call.__repr__ = repr_Call
def str_If(self):
header = indent_stmt() + 'if ' + str(self.test) + ':\n'
indent()
thn = ''.join([str(s) for s in self.body])
els = ''.join([str(s) for s in self.orelse])
dedent()
return header + thn + indent_stmt() + 'else:\n' + els
If.__str__ = str_If
def repr_If(self):
return 'If(' + repr(self.test) + ', ' + repr(self.body) + ', ' + repr(self.orelse) + ')'
If.__repr__ = repr_If
def str_IfExp(self):
return '(' + str(self.body) + ' if ' + str(self.test) + \
' else ' + str(self.orelse) + ')'
IfExp.__str__ = str_IfExp
def repr_IfExp(self):
return 'IfExp(' + repr(self.test) + ', ' + repr(self.body) + \
', ' + repr(self.orelse) + ')'
IfExp.__repr__ = repr_IfExp
def str_While(self):
header = indent_stmt() + 'while ' + str(self.test) + ':\n'
indent()
body = ''.join([str(s) for s in self.body])
dedent()
return header + body
While.__str__ = str_While
def repr_While(self):
return 'While(' + repr(self.test) + ', ' + repr(self.body) + ', ' + repr(self.orelse) + ')'
While.__repr__ = repr_While
def str_Compare(self):
return str(self.left) + ' ' + str(self.ops[0]) + ' ' + str(self.comparators[0])
Compare.__str__ = str_Compare
def repr_Compare(self):
return 'Compare(' + repr(self.left) + ', ' + repr(self.ops) + ', ' \
+ repr(self.comparators) + ')'
Compare.__repr__ = repr_Compare
def str_Eq(self):
return '=='
Eq.__str__ = str_Eq
def repr_Eq(self):
return 'Eq()'
Eq.__repr__ = repr_Eq
def str_NotEq(self):
return '!='
NotEq.__str__ = str_NotEq
def repr_NotEq(self):
return 'NotEq()'
NotEq.__repr__ = repr_NotEq
def str_Lt(self):
return '<'
Lt.__str__ = str_Lt
def repr_Lt(self):
return 'Lt()'
Lt.__repr__ = repr_Lt
def str_LtE(self):
return '<='
LtE.__str__ = str_Lt
def repr_LtE(self):
return 'LtE()'
LtE.__repr__ = repr_LtE
def str_Gt(self):
return '>'
Gt.__str__ = str_Gt
def repr_Gt(self):
return 'Gt()'
Gt.__repr__ = repr_Gt
def str_GtE(self):
return '>='
GtE.__str__ = str_GtE
def repr_GtE(self):
return 'GtE()'
GtE.__repr__ = repr_GtE
def str_Is(self):
return 'is'
Is.__str__ = str_Is
def repr_Is(self):
return 'Is()'
Is.__repr__ = repr_Is
def str_Tuple(self):
return '(' + ', '.join([str(e) for e in self.elts]) + ',)'
Tuple.__str__ = str_Tuple
def repr_Tuple(self):
return 'Tuple(' + repr(self.elts) + ')'
Tuple.__repr__ = repr_Tuple
def str_List(self):
return '[' + ', '.join([str(e) for e in self.elts]) + ']'
ast.List.__str__ = str_List
def repr_List(self):
return 'List(' + repr(self.elts) + ')'
ast.List.__repr__ = repr_List
def str_Subscript(self):
return str(self.value) + '[' + str(self.slice) + ']'
Subscript.__str__ = str_Subscript
def repr_Subscript(self):
return 'Subscript(' + repr(self.value) + ', ' + repr(self.slice) \
+ ', ' + repr(self.ctx) + ')'
Subscript.__repr__ = repr_Subscript
def str_FunctionDef(self):
if isinstance(self.args, ast.arguments):
params = ', '.join([a.arg + ' : ' + str(a.annotation) for a in self.args.args])
else:
params = ', '.join([x + ' : ' + str(t) for (x, t) in self.args])
indent()
if isinstance(self.body, list):
body = ''.join([str(s) for s in self.body])
elif isinstance(self.body, dict):
body = ''
for (l, ss) in self.body.items():
body += l + ':\n'
indent()
body += ''.join([str(s) for s in ss])
dedent()
else:
body = ''
dedent()
return indent_stmt() + 'def ' + self.name + '(' + params + ')' + \
' -> ' + str(self.returns) + ':\n' + body + '\n'
def repr_FunctionDef(self):
return 'FunctionDef(' + self.name + ',' + repr(self.args) + ',' + \
repr(self.body) + ')'
FunctionDef.__str__ = str_FunctionDef
FunctionDef.__repr__ = repr_FunctionDef
def str_Lambda(self):
if isinstance(self.args, ast.arguments):
params = ', '.join([a.arg for a in self.args.args])
else:
params = ', '.join([x for x in self.args])
body = str(self.body)
return '(lambda ' + params + ': ' + body + ')'
def repr_Lambda(self):
return 'Lambda(' + repr(self.args) + ',' + repr(self.body) + ')'
Lambda.__str__ = str_Lambda
Lambda.__repr__ = repr_Lambda
def str_ImportFrom(self):
return indent_stmt() + 'from' + ' X ' + 'import' + ' Y\n'
def repr_ImportFrom(self):
return 'ImportFrom()'
ImportFrom.__str__ = str_ImportFrom
ImportFrom.__repr__ = repr_ImportFrom
################################################################################
# __eq__ and __hash__ for classes in the ast module
################################################################################
def eq_Name(self, other):
if isinstance(other, Name):
return self.id == other.id
else:
return False
Name.__eq__ = eq_Name
def hash_Name(self):
return hash(self.id)
Name.__hash__ = hash_Name
################################################################################
# Generating unique names
################################################################################
name_id = 0
def generate_name(name):
global name_id
ls = name.split('.')
new_id = name_id
name_id += 1
return ls[0] + '.' + str(new_id)
################################################################################
# AST classes
################################################################################
class Type:
pass
def make_assigns(bs):
return [Assign([x], rhs) for (x, rhs) in bs]
def make_begin(bs, e):
if len(bs) > 0:
return Begin([Assign([x], rhs) for (x, rhs) in bs], e)
else:
return e
@dataclass
class Cast(expr):
body: expr
source: Type
target: Type
__match_args__ = ("body", "source", "target")
def __str__(self):
return '(' + str(self.body) + ' : ' + str(self.source) + ' => ' + str(self.target) + ')'
# A lambda expression whose parameters are annotated with types.
@dataclass
class AnnLambda(expr):
params: list[tuple[str, Type]]
returns: Type
body: expr
__match_args__ = ("params", "returns", "body")
def __str__(self):
return 'lambda [' + \
', '.join([x + ':' + str(t) for (x, t) in self.params]) + '] -> ' \
+ str(self.returns) + ': ' + str(self.body)
# Instantiate a generic function
@dataclass
class Inst(expr):
generic: expr
type_args: dict[str, Type]
__match_args__ = ("generic", "type_args")
def __str__(self):
return str(self.generic) + str(self.type_args)
# An uninitialized value of a given type.
# Needed for boxing local variables.
@dataclass
class Uninitialized(expr):
ty: Type
__match_args__ = ("ty",)
def __str__(self):
return 'uninit[' + str(self.ty) + ']'
@dataclass
class CProgram:
__match_args__ = ("body",)
body: list[stmt]
def __str__(self):
result = ''
for (l, ss) in self.body.items():
result += l + ':\n'
indent()
result += ''.join([str(s) for s in ss]) + '\n'
dedent()
return result
@dataclass
class CProgramDefs:
defs: list[stmt]
__match_args__ = ("defs",)
def __str__(self):
return '\n'.join([str(d) for d in self.defs]) + '\n'
@dataclass
class Goto(stmt):
label: str
__match_args__ = ("label",)
def __str__(self):
return indent_stmt() + 'goto ' + self.label + '\n'
@dataclass
class Allocate(expr):
length: int
ty: Type
__match_args__ = ("length", "ty")
def __str__(self):
return 'allocate(' + str(self.length) + ',' + str(self.ty) + ')'
@dataclass
class AllocateArray(expr):
length: int
ty: Type
__match_args__ = ("length", "ty")
def __str__(self):
return 'allocate_array(' + str(self.length) + ',' + str(self.ty) + ')'
@dataclass
class AllocateClosure(expr):
length: int
ty: Type
arity: int
__match_args__ = ("length", "ty", "arity")
def __str__(self):
return 'alloc_clos(' + str(self.length) + ',' + str(self.ty) \
+ ',' + str(self.arity) + ')'
@dataclass
class Collect(stmt):
size: int
__match_args__ = ("size",)
def __str__(self):
return indent_stmt() + 'collect(' + str(self.size) + ')\n'
@dataclass
class Begin(expr):
__match_args__ = ("body", "result")
body: list[stmt]
result: expr
def __str__(self):
indent()
stmts = ''.join([str(s) for s in self.body])
end = indent_stmt() + str(self.result)
dedent()
return 'begin:\n' + stmts + end
@dataclass
class GlobalValue(expr):
name: str
__match_args__ = ("name",)
def __str__(self):
return str(self.name)
@dataclass(eq=True)
class IntType(Type):
def __str__(self):
return 'int'
@dataclass(eq=True)
class BoolType(Type):
def __str__(self):
return 'bool'
@dataclass(eq=True)
class VoidType(Type):
def __str__(self):
return 'void'
@dataclass(eq=True)
class Bottom(Type):
def __str__(self):
return 'bottom'
@dataclass(eq=True)
class TupleType(Type):
types: list[Type]
__match_args__ = ("types",)
def __str__(self):
return 'tuple[' + ','.join([str(p) for p in self.types]) + ']'
@dataclass(eq=True)
class ListType(Type):
elt_type: Type
__match_args__ = ("elt_type",)
def __str__(self):
return 'list[' + str(self.elt_type) + ']'
@dataclass(eq=True)
class FunctionType:
param_types: list[Type]
ret_type: Type
__match_args__ = ("param_types", "ret_type")
def __str__(self):
return 'Callable[[' + ','.join([str(p) for p in self.param_types]) + ']' \
+ ', ' + str(self.ret_type) + ']'
@dataclass(eq=True)
class GenericVar:
id: str
__match_args__ = ("id",)
def __str__(self):
return str(self.id)
@dataclass(eq=True)
class AllType:
params: list[str]
typ: Type
__match_args__ = ("params", "typ")
def __str__(self):
return '∀ ' + ','.join([str(p) for p in self.params]) + '(' \
+ str(self.typ) + ')'
@dataclass(eq=True)
class FunRef(expr):
name: str
arity: int
__match_args__ = ("name", "arity")
def __str__(self):
return '{' + self.name + '}'
@dataclass
class TailCall(stmt):
func: expr
args: list[expr]
__match_args__ = ("func", "args")
def __str__(self):
return indent_stmt() + 'tail ' + str(self.func) + '(' + ', '.join([str(e) for e in self.args]) + ')\n'
# like a Tuple, but also stores the function's arity
@dataclass
class Closure(expr):
arity: int
args: list[expr]
__match_args__ = ("arity", "args")
def __str__(self):
return 'closure{' + repr(self.arity) + '}(' + ', '.join([str(e) for e in self.args]) + ')'
@dataclass
class Inject(expr):
value: expr
typ: Type
__match_args__ = ("value", "typ")
def __str__(self):
return 'inject(' + str(self.value) + ', ' + str(self.typ) + ')'
@dataclass
class Project(expr):
value: expr
typ: Type
__match_args__ = ("value", "typ")
def __str__(self):
return 'project(' + str(self.value) + ', ' + str(self.typ) + ')'
@dataclass
class TagOf(expr):
value: expr
__match_args__ = ("value",)
def __str__(self):
return 'tagof(' + str(self.value) + ')'
@dataclass
class ValueOf(expr):
value: expr
typ: Type
__match_args__ = ("value", "typ")
def __str__(self):
return 'valueof(' + str(self.value) + ', ' + str(self.typ) + ')'
@dataclass(eq=True)
class AnyType(Type):
def __str__(self):
return 'Any'
@dataclass(eq=True)
class ProxyOrTupleType(Type):
elt_types: list[Type]
def __str__(self):
return 'POrTuple[' + ','.join([str(t) for t in self.elt_types]) + ']'
@dataclass(eq=True)
class ProxyOrListType(Type):
elt_type: Type
def __str__(self):
return 'POrList[' + str(self.elt_type) + ']'
@dataclass(eq=True)
class TupleProxy(expr):
value: expr
reads: list[expr]
source: Type
target: Type
def __str__(self):
return 'tuple_proxy(' + str(self.value) + ', ' + str(self.source) \
+ ', ' + str(self.target) + ')'
@dataclass(eq=True)
class RawTuple(expr):
elts: list[expr]
def __str__(self):
return '[[' + ','.join([str(e) for e in self.elts]) + ']]'
@dataclass(eq=True)
class ListProxy(expr):
value: expr
read: expr
write: expr
source: Type
target: Type
def __str__(self):
return 'array_proxy(' + str(self.value) + ', ' + str(self.source) \
+ ', ' + str(self.target) + ')'
@dataclass(eq=True)
class InjectTuple(expr):
value: expr
def __str__(self):
return 'inject_tuple[' + str(self.value) + ']'
@dataclass(eq=True)
class InjectTupleProxy(expr):
value: expr
typ: Type
def __str__(self):
return 'inject_tuple_proxy[' + str(self.value) + ' from ' + str(self.typ) + ']'
@dataclass(eq=True)
class InjectList(expr):
value: expr
def __str__(self):
return 'inject_array[' + str(self.value) + ']'