kjuulh/rhai
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Use bitflags.

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This commit is contained in:
Stephen Chung
2022-02-25 11:42:59 +08:00
parent f47b911681
commit 8205547d8a
14 changed files with 143 additions and 266 deletions
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15
src/ast/expr.rs
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@@ -1,6 +1,6 @@
//! Module defining script expressions.
use super::{ASTNode, Ident, Stmt, StmtBlock};
use super::{ASTFlags, ASTNode, Ident, Stmt, StmtBlock};
use crate::engine::{KEYWORD_FN_PTR, OP_EXCLUSIVE_RANGE, OP_INCLUSIVE_RANGE};
use crate::func::hashing::ALT_ZERO_HASH;
use crate::tokenizer::Token;
@@ -419,10 +419,15 @@ pub enum Expr {
Stmt(Box<StmtBlock>),
/// func `(` expr `,` ... `)`
FnCall(Box<FnCallExpr>, Position),
/// lhs `.` rhs - boolean variable is a dummy
Dot(Box<BinaryExpr>, bool, Position),
/// lhs `[` rhs `]` - boolean indicates whether the dotting/indexing chain stops
Index(Box<BinaryExpr>, bool, Position),
/// lhs `.` rhs
Dot(Box<BinaryExpr>, ASTFlags, Position),
/// lhs `[` rhs `]`
///
/// ### Flags
///
/// [`NONE`][ASTFlags::NONE] = recurse into the indexing chain
/// [`BREAK`][ASTFlags::BREAK] = terminate the indexing chain
Index(Box<BinaryExpr>, ASTFlags, Position),
/// lhs `&&` rhs
And(Box<BinaryExpr>, Position),
/// lhs `||` rhs