330747 – Preprocessor gets confused by '\0'

Some Eclipse Foundation services are deprecated, or will be soon. Please ensure you've read this important communication.

Bug 330747 - Preprocessor gets confused by '\0'

Summary: Preprocessor gets confused by '\0'

Status:	RESOLVED FIXED

Alias:	None

Product:	CDT
Classification:	Tools
Component:	cdt-parser (show other bugs)
Version:	7.0.1
Hardware:	PC All

Importance:	P3 normal (vote)
Target Milestone:	7.0.2
Assignee:	Markus Schorn
QA Contact:	Markus Schorn

URL:
Whiteboard:
Keywords:

Depends on:
Blocks:

Reported:	2010-11-20 16:55 EST by Sergey Prigogin
Modified:	2010-11-24 03:23 EST (History)
CC List:	1 user (show)

See Also:

Attachments
testcase + fix (2.07 KB, patch) 2010-11-24 03:14 EST, Markus Schorn	mschorn.eclipse: iplog-	Details \| Diff
View All 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 Sergey Prigogin

2010-11-20 16:55:40 EST

The following code triggers an error: "Invalid octal format encountered".

#if L'\0' - 1 > 0
#endif

Comment 1 Sergey Prigogin

2010-11-20 16:59:36 EST

An even simpler example that illustrates this problem is:

#if '\0'
#endif

Comment 2 Markus Schorn

2010-11-24 03:14:01 EST

Created attachment 183732 [details]
testcase + fix

Comment 3 Markus Schorn

2010-11-24 03:18:13 EST

Fixed in 7.0.2 and 8.0 > 20101124.

Comment 4 CDT Genie

2010-11-24 03:23:02 EST

*** cdt cvs genie on behalf of mschorn ***
Bug 330747: Octal char constants in preprocessing condition.

[*] PreprocessorBugsTests.java 1.18.2.1 http://dev.eclipse.org/viewcvs/index.cgi/org.eclipse.cdt-core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/scanner/PreprocessorBugsTests.java?root=Tools_Project&r1=1.18&r2=1.18.2.1

[*] ExpressionEvaluator.java 1.14.6.1 http://dev.eclipse.org/viewcvs/index.cgi/org.eclipse.cdt-core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner/ExpressionEvaluator.java?root=Tools_Project&r1=1.14&r2=1.14.6.1

[*] ExpressionEvaluator.java 1.15 http://dev.eclipse.org/viewcvs/index.cgi/org.eclipse.cdt-core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner/ExpressionEvaluator.java?root=Tools_Project&r1=1.14&r2=1.15

[*] PreprocessorBugsTests.java 1.19 http://dev.eclipse.org/viewcvs/index.cgi/org.eclipse.cdt-core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/scanner/PreprocessorBugsTests.java?root=Tools_Project&r1=1.18&r2=1.19