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grammar: Remove Ignore expression to avoid parsing ambiguity :'(

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John
2023-10-26 14:36:55 -05:00
parent b1f90ca4e9
commit 0445598ae8
4 changed files with 7 additions and 20 deletions
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13
libconlang/src/ast.rs
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@@ -270,18 +270,16 @@ pub mod expression {
r" | 8 | Assign |", r"`*=`, `/=`, `%=`, `+=`, `-=`, ",//|
/* | | |*/ r"`&=`, <code>&#124;=</code>, ", //|
/* | | |*/ r"`^=`, `<<=`, `>>=`", r"| Right to Left")]
//! | 9 | Ignore | `;` |
//!
//! <!-- Note: '&#124;' == '|' /-->
//!
//! ## Syntax
//! ```ignore
//! /* All precedence levels other than Unary fold into Binary */
//! Ignore := Assign (CompareOp Assign )*
//! Assign := Compare (IgnoreOp Compare)*
//! Compare := Logic (AssignOp Logic )*
//! Assign := Compare (AssignOp Compare)*
//! Compare := Logic (CompareOp Logic )*
//! Logic := Bitwise (LogicOp Bitwise)*
//! Bitwise := Shift (BitOp Shift )*
//! Bitwise := Shift (BitwiseOp Shift )*
//! Shift := Term (ShiftOp Term )*
//! Term := Factor (TermOp Factor )*
//! Factor := Unary (FactorOp Unary )*
@@ -324,7 +322,7 @@ pub mod expression {
r"| 7 |", r"`*=`, `/=`, `%=`, `+=`, `-=`, ",//|
/* | |*/ r"`&=`, <code>&#124;=</code>, ", //|
/* | |*/ r"`^=`, `<<=`, `>>=`, `=`", r"| Left to Right")]
//! | 8 | `;` |
//! | 8 | `,` |
/// Operators which take a single argument
///
@@ -430,9 +428,6 @@ pub mod expression {
ShlAssign,
/// `>>=`: Right Shift In-place Assignment
ShrAssign,
// Ignorance operators
/// `;`: Ignore
Ignore,
}
}
}