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Fixing loop variables

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This commit is contained in:
Anthony Debucquoy
2025-04-29 21:38:31 +02:00
parent e2e058c8ac
commit 69d2bbaaf3
3 changed files with 22 additions and 5 deletions
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15
examples/boucles_var.spf Normal file
View File

@ -0,0 +1,15 @@
entier x = 0;
tant que x < 10 faire {
entier y = x;
x = x + 1;
afficher x, y;
}
afficher "yess";
pour chaque entier i dans [1:5] faire {
entier y = i;
y = y + i;
x = x + i;
afficher x, y;
}

8
spf.lark
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@ -1,10 +1,10 @@
start: (instruction)*
instruction: declaration ";"
| assignation ";"
| SHOW_KW expression ("," expression)* ";" -> afficher
| ADD_KW expression "dans" VARIABLE ";" -> append
| controls
| assignation ";"
| SHOW_KW expression ("," expression)* ";" -> afficher
| ADD_KW expression "dans" VARIABLE ";" -> append
| controls
// rule finishing by u are "UnambigiousED"
expression: logical

4
spf.py
View File

@ -19,7 +19,7 @@ class SPFInterpreter(lark.visitors.Interpreter):
old = self.variables.variables.copy()
while self.visit_children(el.children[0])[0]:
self.visit_children(el.children[1])
self.variables.variables = old.copy()
self.variables.variables = old.copy()
def for_loop(self, el):
type = el.children[0].value
@ -30,6 +30,7 @@ class SPFInterpreter(lark.visitors.Interpreter):
except SPFException as e:
e.errorline = el.meta.line
raise e
old_inloop = self.variables.variables.copy()
target = self.visit_children(el.children[2])[0]
for i in target:
@ -39,6 +40,7 @@ class SPFInterpreter(lark.visitors.Interpreter):
e.errorline = el.meta.line
raise e
self.visit_children(el.children[3])
self.variables.variables = old_inloop.copy()
self.variables.variables = old.copy()
def afficher(self, el):