76 lines
3.1 KiB
Rust
76 lines
3.1 KiB
Rust
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use serde_json::Value;
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use operator::Operator;
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quick_error! {
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/// Expression parsing error
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#[derive(Debug, PartialEq)]
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pub enum Error {
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/// Unsupported operator yet.
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UnsupportedOperator(operator: String) {
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display("Unsupported operator: {:?}", operator)
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}
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/// This operator does not support execution.
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CanNotExec(operator: Operator) {
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display("This operator does not support execution: {:?}", operator)
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}
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/// Your expression may start with non-value operator like ( + * )
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StartWithNonValueOperator {
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display("Your expression may start with non-value operator like ( + * ).")
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}
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/// Unpaired brackets, left brackets count does not equal right brackets count
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UnpairedBrackets {
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display("Unpaired brackets, left brackets count does not equal right brackets count.")
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}
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/// Duplicate values node, you may have (2 3) but there is no operators between them
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DuplicateValueNode {
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display("Duplicate values node, you may have (2 3) but there is no operators between them.")
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}
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/// Duplicate operators node, you may have (+ +) but there is no values between them
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DuplicateOperatorNode {
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display("Duplicate operators node, you may have (+ +) but there is no values between them.")
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}
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/// You have a comma(,) , but there is no function in front of it.
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CommaNotWithFunction {
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display("You have a comma(,) , but there is no function in front of it.")
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}
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/// You have empty brackets () , but there is no function in front of it.
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BracketNotWithFunction {
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display("You have empty brackets () , but there is no function in front of it.")
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}
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/// Function not exists.
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FunctionNotExists(ident: String) {
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display("Function not exists: {}", ident)
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}
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/// Expected boolean type but the given value isn't.
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NotBoolean(value: Value) {
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display("Expected boolean type, found: {}", value)
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}
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/// Failed to parse, no final expression.
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NoFinalNode {
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display("Failed to parse, no final expression.")
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}
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/// The number of arguments is greater than the maximum limit.
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ArgumentsGreater(max: usize) {
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display("The number of arguments is greater than the maximum limit: {}", max)
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}
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/// The number of arguments is less than the minimum limit.
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ArgumentsLess(min: usize) {
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display("The number of arguments is less than the minimum limit: {}", min)
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}
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/// This two value types are different or do not support mathematical calculations.
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UnsupportedTypes(a: String, b: String) {
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display("This two value types are different or do not support mathematical calculations: {}, {}", a, b)
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}
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/// Invalid array expression like `1..2..3`
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InvalidArray(ident: String) {
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display("Invalid array expression: {}", ident)
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}
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/// Custom error.
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Custom(detail: String) {
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display("{}", detail)
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}
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}
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}
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