Vscode-cpptools: substitution: ${env.XXX} not supported in c_cpp_properties.json

[wsw0108]

Not like in tasks.json

[sean-mcmanus]

${ENV} is supported with includePath and browse.path. Is that okay, or did you want the ${env.ENV} syntax to work or for environment variables to work on other properties.

[wsw0108]

Environment

os: Windows 10
vscode version: 1.12.2
extension version: 0.11.2

Case

file a.cpp:

#include <jni.h>
...

c_cpp_properties.json

        {
            "name": "Win32",
            "includePath": [
                "${env.JAVA_HOME}/include",
                "${env.JAVA_HOME}/include/win32"
            ],
            "browse": {
                "limitSymbolsToIncludedHeaders": true,
                "databaseFilename": "",
                "path": [
                    "${env.JAVA_HOME}/include",
                    "${env.JAVA_HOME}/include/win32"
                ]
            }

Result

• Go To Definition works fine just now when cursor on line #include <jni.h>
• But there was a red line under source line with tip says 'cannot open source file "jni.h"'

[wsw0108]

If replace ${env.JAVA_HOME} with absolute path like "C:/Program Files/Java/jdk1.8.0_77, red line gone.

[sean-mcmanus]

Can you try ${JAVA_HOME}?

[wsw0108]

${JAVA_HOME} has no problem.
Maybe the document need update.

[sean-mcmanus]

The docs are from the VS Code team. Our extension supports the different syntax...maybe we should change it to use the ${env.} syntax instead to avoid confusion and conflict with other special variables like ${workspaceRoot}.

[sean-mcmanus]

Duplicate of https://github.com/Microsoft/vscode-cpptools/issues/697 .