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Adding error handling support

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This commit is contained in:
Anthony Debucquoy
2025-04-28 15:38:42 +02:00
parent d73a5be3f5
commit e2e058c8ac
4 changed files with 119 additions and 18 deletions
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23
modules/Variables.py
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@ -1,5 +1,7 @@
import sys
from modules.errors import SPFUnknownVariable, SPFUninitializedVariable, SPFAlreadyDefined, SPFIncompatibleType, SPFIndexError
trace_format = '\033[1m -> '
reset_format = '\033[0m'
@ -11,14 +13,16 @@ class Variables:
"booléen": bool,
"liste": list }
def __init__(self, typ, value = None):
def __init__(self, typ, value=None):
assert typ in self.types.keys(), "Ce type de variable est inconnu"
self.type = typ
assert self.checkType(value, typ), f"Le type n'est pas équivalent: { value } n'est pas {typ}"
self.value = value if (value is not None) else self.default(typ)
if not self.checkType(value, typ):
raise SPFIncompatibleType(value, self.type)
self.value = value
def set(self, value):
assert self.checkType(value, self.type), f"Le type n'est pas équivalent: {value} n'est pas {self.type}"
if not self.checkType(value, self.type):
raise SPFIncompatibleType(value, self.type)
self.value = value
def __str__(self):
@ -49,19 +53,24 @@ class Variables:
self.trace = trace
def get(self, name):
assert name in self.variables, f"la variable {name} n'éxiste pas"
if name not in self.variables:
raise SPFUnknownVariable(name)
if self.variables[name].value == None:
raise SPFUninitializedVariable(name)
if self.trace:
print(f"{trace_format}accède {name}{reset_format}", file=sys.stderr)
return self.variables[name].value
def declare(self, typ, name, value=None):
assert name not in self.variables, f"la variable {name} existe déjà"
if name in self.variables:
raise SPFAlreadyDefined(name)
self.variables[name] = self.Variable(typ, value)
if self.trace:
print(f"{trace_format}déclare {name} = {value}{reset_format}", file=sys.stderr)
def assign(self, name, value):
assert name in self.variables, f"la variable {name} n'éxiste pas"
if name not in self.variables:
raise SPFUnknownVariable(name)
self.variables[name].set(value)
if self.trace:
print(f"{trace_format}modifie {name} = {value}{reset_format}", file=sys.stderr)