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Better error lines by adding regex for empty/only-spaces lines #113

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Better error lines by adding regex for empty/only-spaces lines #113

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b073800
Better error lines by adding regex for empty/only-spaces lines
kungfooman Feb 2, 2021
c06d7ec
Line detection offsetted from where Algebra starts
kungfooman Feb 9, 2021
eba797b
Improve Algebra regex
kungfooman Feb 10, 2021
b127dc0
Remove superfluous line: rowOffset = 0 in if(...)
kungfooman Feb 10, 2021
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22 changes: 12 additions & 10 deletions examples/coffeeshop.html
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Original file line number Diff line number Diff line change
Expand Up @@ -578,19 +578,21 @@ <H3 STYLE="flex-grow:1" ID="title">The CoffeeShop</H3>
els.sample.contentDocument.body.style = "margin:0; padding:0;";
postRun();
els.sample.contentWindow.addEventListener('error', function(e) {
var rowOffset = 0;
if (e.filename == "") {
// Figure out line where `Algebra(..., ()=>{...}` starts in ACE Editor (because error is offsetted from there)
var lines = editor.getValue().split("\n");
for (var line of lines) {
if (line.match(/\bAlgebra\s*\(/)) {
break;
}
rowOffset++;
}
}
// show error in HTML
els.sample.contentDocument.body.innerHTML+=`<PRE>${e.message}</PRE>`;
// show error in ace editor
var row = e.lineno;
// e.lineno is one off in same cases... fixing that, otherwise it looks strange
// Chrome
if (e.message.includes("Unexpected identifier")) {
row--;
}
// Mozilla
if (e.message.includes("unexpected token: identifier")) {
row--;
}
var row = rowOffset + e.lineno - 1;
editor.getSession().setAnnotations([{
row,
column: e.colno,
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3 changes: 2 additions & 1 deletion ganja.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1535,7 +1535,8 @@
/^\d+[.]{0,1}\d*[ei][\+\-_]{0,1}\d*|^\.\d+[ei][\+\-_]{0,1}\d*|^e_\d*/g, // 2: literal numbers in scientific notation (with small hack for i and e_ asciimath)
/^\d+[.]{0,1}\d*[E][+-]{0,1}\d*|^\.\d+[E][+-]{0,1}\d*|^0x\d+|^\d+[.]{0,1}\d*|^\.\d+|^\(\/.*[^\\]\/\)/g, // 3: literal hex, nonsci numbers and regex (surround regex with extra brackets!)
/^(\.Normalized|\.Length|\.\.\.|>>>=|===|!==|>>>|<<=|>>=|=>|\|\||[<>\+\-\*%&|^\/!\=]=|\*\*|\+\+|\-\-|<<|>>|\&\&|\^\^|^[{}()\[\];.,<>\+\-\*%|&^!~?:=\/]{1})/g, // 4: punctuator
/^[$_\p{L}][$_\p{L}\p{Mn}\p{Mc}\p{Nd}\p{Pc}\u200C\u200D]*/gu] // 5: identifier
/^[$_\p{L}][$_\p{L}\p{Mn}\p{Mc}\p{Nd}\p{Pc}\u200C\u200D]*/gu, // 5: identifier
/\s+/g] // 6: empty lines
while (txt.length) for(t in tokens) if(resi=txt.match(tokens[t])){ tok.push([t|0,resi[0]]); txt=txt.slice(resi[0].length); break;} // tokenise
// Translate algebraic literals. (scientific e-notation to "this.Coeff"
tok=tok.map(t=>(t[0]==2)?[2,'Element.Coeff('+basis.indexOf((!options.Cayley?simplify:(x)=>x)('e'+t[1].split(/e_|e|i/)[1]||1).replace('-',''))+','+(simplify(t[1].split(/e_|e|i/)[1]||1).match('-')?"-1*":"")+parseFloat(t[1][0]=='e'?1:t[1].split(/e_|e|i/)[0])+')']:t);
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