126 lines
2.3 KiB
Python
126 lines
2.3 KiB
Python
from abc import ABC
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class Kind(ABC):
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pass
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class Function(Kind):
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def __str__(self):
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return "Function"
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class Procedure(Kind):
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def __str__(self):
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return "Procedure"
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class Parameter(Kind):
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def __str__(self):
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return "Parameter"
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class Variable(Kind):
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def __str__(self):
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return "Variable"
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class Identifier(Kind):
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def __str__(self):
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return "Identifier"
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class StaticError(Exception):
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pass
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class Undeclared(StaticError):
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"""k: Kind
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n: string: name of identifier """
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def __init__(self, k, n):
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self.k = k
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self.n = n
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def __str__(self):
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return "Undeclared " + str(self.k) + ": " + self.n
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class Redeclared(StaticError):
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"""k: Kind
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n: string: name of identifier """
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def __init__(self, k, n):
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self.k = k
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self.n = n
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def __str__(self):
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return "Redeclared " + str(self.k) + ": " + self.n
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class TypeMismatchInExpression(StaticError):
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"""exp: AST.Expr"""
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def __init__(self, exp):
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self.exp = exp
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def __str__(self):
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return "Type Mismatch In Expression: " + str(self.exp)
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class TypeMismatchInStatement(StaticError):
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"""stmt:AST.Stmt"""
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def __init__(self, stmt):
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self.stmt = stmt
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def __str__(self):
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return "Type Mismatch In Statement: " + str(self.stmt)
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class FunctionNotReturn(StaticError):
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"""m is a string that is the name of the function"""
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def __init__(self, m):
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self.m = m
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def __str__(self):
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# return "Function " + self.m + "Not Return "
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return "Function " + self.m + " Not Return"
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class BreakNotInLoop(StaticError):
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def __str__(self):
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return "Break Not In Loop"
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class ContinueNotInLoop(StaticError):
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def __str__(self):
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return "Continue Not In Loop"
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class NoEntryPoint(StaticError):
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def __str__(self):
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return "No entry point"
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class UnreachableStatement(StaticError):
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"""stmt is AST.Stmt"""
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def __init__(self, stmt):
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self.stmt = stmt
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def __str__(self):
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return "Unreachable statement: " + str(self.stmt)
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class Unreachable(StaticError):
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"""m is a string that is the name of the unreachable function/procedure"""
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def __init__(self, k, m):
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self.k = k
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self.m = m
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def __str__(self):
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return "Unreachable " + str(self.k) + ": " + self.m
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