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fix https://github.com/pocketpy/pocketpy/issues/377

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This commit is contained in:
blueloveTH 2025-06-27 18:02:14 +08:00
parent fd6f0d76b2
commit bf8ec59dc5
1 changed files with 10 additions and 1 deletions
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11
src/compiler/compiler.c
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@ -28,6 +28,7 @@ typedef struct ExprVt {
bool is_subscr; // SubscrExpr bool is_subscr; // SubscrExpr
bool is_starred; // StarredExpr bool is_starred; // StarredExpr
bool is_binary; // BinaryExpr bool is_binary; // BinaryExpr
bool is_ternary; // TernaryExpr
void (*dtor)(Expr*); void (*dtor)(Expr*);
} ExprVt; } ExprVt;
@ -873,7 +874,11 @@ void TernaryExpr__emit_(Expr* self_, Ctx* ctx) {
} }
TernaryExpr* TernaryExpr__new(int line) { TernaryExpr* TernaryExpr__new(int line) {
const static ExprVt Vt = {.dtor = TernaryExpr__dtor, .emit_ = TernaryExpr__emit_}; const static ExprVt Vt = {
.dtor = TernaryExpr__dtor,
.emit_ = TernaryExpr__emit_,
.is_ternary = true,
};
TernaryExpr* self = PK_MALLOC(sizeof(TernaryExpr)); TernaryExpr* self = PK_MALLOC(sizeof(TernaryExpr));
self->vt = &Vt; self->vt = &Vt;
self->line = line; self->line = line;
@ -1681,6 +1686,10 @@ static Error* exprTernary(Compiler* self) {
e->cond = Ctx__s_popx(ctx()); e->cond = Ctx__s_popx(ctx());
e->true_expr = Ctx__s_popx(ctx()); e->true_expr = Ctx__s_popx(ctx());
Ctx__s_push(ctx(), (Expr*)e); Ctx__s_push(ctx(), (Expr*)e);
if(e->cond->vt->is_ternary || e->false_expr->vt->is_ternary || e->true_expr->vt->is_ternary) {
return SyntaxError(self, "nested ternary expressions without `()` are ambiguous");
}
return NULL; return NULL;
} }