forked from bonsai/harakit
rpn(1): fixed Invalid error handling
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parent
a30152d783
commit
228a0111c7
16
src/rpn.rs
16
src/rpn.rs
@ -56,7 +56,7 @@ extern crate sysexits;
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use sysexits::EX_DATAERR;
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#[derive(Clone, Copy, PartialEq, PartialOrd, Debug)]
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#[derive(Clone, PartialEq, PartialOrd, Debug)]
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// enum CalcType is a type containing operations used in the calculator
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enum CalcType {
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Add,
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@ -67,7 +67,7 @@ enum CalcType {
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Floor,
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Modulo,
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Val(f64),
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Invalid,
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Invalid(String),
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}
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impl From<&str> for CalcType {
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@ -83,7 +83,7 @@ impl From<&str> for CalcType {
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_ => {
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match value.parse::<f64>() {
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Ok(x) => Val(x),
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Err(_) => Invalid,
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Err(_) => Invalid(value.to_owned()),
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}
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},
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}
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@ -104,7 +104,9 @@ impl Display for CalcType {
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Val(x) => {
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y = x.to_string(); &y
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},
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Invalid => "",
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Invalid(i) => {
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y = i.to_string(); &y
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},
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})
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}
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}
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@ -146,13 +148,13 @@ fn eval(
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while let Some(n) = toks.pop_back() {
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match n {
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Val(v) => stack.push_back(v),
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Invalid => {
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Invalid(i) => {
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return Err(EvaluationError {
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message: format!("{}: Invalid token", n)
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message: format!("{}: Invalid token", i)
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})
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},
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op => {
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ops.push_back(op);
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ops.push_back(op.clone());
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oper = true;
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let vals = (
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