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Readable error messages for syntax errors #124
Description
Currently, it's difficult to tell what is wrong with the syntax. Example:
/Users/stuhlmueller/Projects/webppl/src/transforms/cps.js:167
switch (node.type) {
^
TypeError: Cannot read property 'type' of null
at cps (/Users/stuhlmueller/Projects/webppl/src/transforms/cps.js:167:15)
at Array.<anonymous> (/Users/stuhlmueller/Projects/webppl/src/transforms/cps.js:308:14)
at Array.<anonymous> (/Users/stuhlmueller/Projects/webppl/src/syntax.js:30:27)
at loop (/Users/stuhlmueller/Projects/webppl/src/syntax.js:50:24)
at /Users/stuhlmueller/Projects/webppl/src/syntax.js:51:16
at Array.<anonymous> (/Users/stuhlmueller/Projects/webppl/src/syntax.js:35:16)
at loop (/Users/stuhlmueller/Projects/webppl/src/syntax.js:50:24)
at /Users/stuhlmueller/Projects/webppl/src/syntax.js:51:16
at Array.<anonymous> (/Users/stuhlmueller/Projects/webppl/src/syntax.js:35:16)
at loop (/Users/stuhlmueller/Projects/webppl/src/syntax.js:50:24)
Activity
stuhlmueller commentedon Jan 7, 2016
This has improved as a side-effect of our use of
sweet.js. I'm going to close this for now—if anyone gets obscure syntax errors, feel free to reopen.