Bug 527586 - ClassCastException in LocationCtxContainer.getSequenceNumberForOffset
Summary: ClassCastException in LocationCtxContainer.getSequenceNumberForOffset
Status: NEW
Alias: None
Product: CDT
Classification: Tools
Component: cdt-parser (show other bugs)
Version: Next   Edit
Hardware: All All
: P3 normal (vote)
Target Milestone: ---   Edit
Assignee: Project Inbox CLA
QA Contact: Jonah Graham CLA
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2017-11-21 19:31 EST by EPP Error Reports CLA
Modified: 2020-09-04 15:25 EDT (History)
2 users (show)

See Also:

Attachments
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description EPP Error Reports CLA 2017-11-21 19:31:04 EST 
The following problem was reported via the automated error reporting:

Message: Error while parsing /STM32746G_DISCOVERY/Application/User/Arial40.c.
java.lang.ClassCastException: org.eclipse.cdt.internal.core.parser.scanner.ASTMacroReferenceName cannot be cast to org.eclipse.cdt.internal.core.parser.scanner.LocationCtx
    at org.eclipse.cdt.internal.core.parser.scanner.LocationCtxContainer.getSequenceNumberForOffset(LocationCtxContainer.java:80)
    at org.eclipse.cdt.internal.core.parser.scanner.LocationMap.getSequenceNumberForFileOffset(LocationMap.java:701)
    at org.eclipse.cdt.internal.core.parser.scanner.ASTComment.getOffset(ASTPreprocessorNode.java:131)
    at org.eclipse.cdt.internal.core.dom.parser.ASTNode.getFileLocation(ASTNode.java:201)
    at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractReplacementHeaders(AbstractIndexerTask.java:1376)
    at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.writeToIndex(AbstractIndexerTask.java:1295)
    at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.parseFile(AbstractIndexerTask.java:1104)
    at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.parseLinkage(AbstractIndexerTask.java:899)
    at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:560)
    at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:161)
    at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:155)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)



Bundles:
| org.eclipse.cdt.core | 6.2.0.201704050430 | 6.2.0.201704050430 |
| org.eclipse.core.jobs | 3.8.0.v20160509-0411 | 3.8.0.v20160509-0411 |

Operating Systems:
| Windows | 6.1.0 | 6.1.0 |


The above information is a snapshot of the collected data. Visit https://dev.eclipse.org/recommenders/committers/aeri/v2/#!/problems/5a0c5556e4b02aaf8b1fc8ff for the latest data.

Thank you for your assistance.
 Your friendly error-reports-inbox.


Created on behalf of zeratul976@xxxxxx.xxx
Comment 1 Nathan Ridge CLA 2017-11-21 19:32:06 EST 
I'm not sure how this can even happen, seeing as the line that's throwing the CCE isn't even performing a cast, but if someone has a code example that reproduces this...