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qmake: add replacement function getenv

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This is useful for querying environment variables which have
parentheses in their name. Such jewels exist on Windows.
The usual $$(VARNAME) syntax fails for those.

Change-Id: I1d2766cabdc7f637caa9ae6408967685e02f5029
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
This commit is contained in:
Joerg Bornemann 2014-03-11 15:56:52 +01:00 committed by The Qt Project
parent 5fe0c9e9b0
commit b73d6be6a0
2 changed files with 18 additions and 1 deletions
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7
qmake/doc/src/qmake-manual.qdoc
View File

@ -2559,6 +2559,13 @@
See also \l{infile(filename, var, val)}{infile()}.
\section2 getenv(variablename)
Returns the value of the environment variable \c variablename.
This is mostly equivalent to the \c $$(variablename) syntax.
The \c getenv function, however, supports environment variables with
parentheses in their name.
\section2 join(variablename, glue, before, after)
Joins the value of \c variablename with \c glue. If this value is

12
qmake/library/qmakebuiltins.cpp
View File

@ -99,7 +99,7 @@ enum ExpandFunc {
E_UPPER, E_LOWER, E_TITLE, E_FILES, E_PROMPT, E_RE_ESCAPE, E_VAL_ESCAPE,
E_REPLACE, E_SORT_DEPENDS, E_RESOLVE_DEPENDS, E_ENUMERATE_VARS,
E_SHADOWED, E_ABSOLUTE_PATH, E_RELATIVE_PATH, E_CLEAN_PATH,
E_SYSTEM_PATH, E_SHELL_PATH, E_SYSTEM_QUOTE, E_SHELL_QUOTE
E_SYSTEM_PATH, E_SHELL_PATH, E_SYSTEM_QUOTE, E_SHELL_QUOTE, E_GETENV
};
enum TestFunc {
@ -156,6 +156,7 @@ void QMakeEvaluator::initFunctionStatics()
{ "shell_path", E_SHELL_PATH },
{ "system_quote", E_SYSTEM_QUOTE },
{ "shell_quote", E_SHELL_QUOTE },
{ "getenv", E_GETENV },
};
for (unsigned i = 0; i < sizeof(expandInits)/sizeof(expandInits[0]); ++i)
statics.expands.insert(ProKey(expandInits[i].name), expandInits[i].func);
@ -1090,6 +1091,15 @@ ProStringList QMakeEvaluator::evaluateBuiltinExpand(
ret << (rstr.isSharedWith(m_tmp1) ? args.at(0) : ProString(rstr).setSource(args.at(0)));
}
break;
case E_GETENV:
if (args.count() != 1) {
evalError(fL1S("getenv(arg) requires one argument."));
} else {
const ProString &var = args.at(0);
const ProString &val = ProString(m_option->getEnv(var.toQString(m_tmp1)));
ret << val;
}
break;
default:
evalError(fL1S("Function '%1' is not implemented.").arg(func.toQString(m_tmp1)));
break;