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-rw-r--r--tools/linguist/shared/profileevaluator.cpp82
1 files changed, 81 insertions, 1 deletions
diff --git a/tools/linguist/shared/profileevaluator.cpp b/tools/linguist/shared/profileevaluator.cpp
index ac653b0..daf75c8 100644
--- a/tools/linguist/shared/profileevaluator.cpp
+++ b/tools/linguist/shared/profileevaluator.cpp
@@ -1817,10 +1817,90 @@ ProItem::ProItemReturn ProFileEvaluator::Private::evaluateConditionalFunction(
case T_INFILE:
case T_REQUIRES:
case T_EVAL:
- case T_IF:
case T_BREAK:
case T_NEXT:
#endif
+ case T_IF: {
+ if (args.count() != 1) {
+ q->logMessage(format("if(condition) requires one argument."));
+ return ProItem::ReturnFalse;
+ }
+ QString cond = args.first();
+ bool escaped = false; // This is more than qmake does
+ bool quoted = false;
+ bool ret = true;
+ bool orOp = false;
+ bool invert = false;
+ bool isFunc = false;
+ int parens = 0;
+ QString test;
+ test.reserve(20);
+ QString args;
+ args.reserve(50);
+ const QChar *d = cond.unicode();
+ const QChar *ed = d + cond.length();
+ while (d < ed) {
+ ushort c = (d++)->unicode();
+ if (!escaped) {
+ if (c == '\\') {
+ escaped = true;
+ args += c; // Assume no-one quotes the test name
+ continue;
+ } else if (c == '"') {
+ quoted = !quoted;
+ args += c; // Ditto
+ continue;
+ }
+ } else {
+ escaped = false;
+ }
+ if (quoted) {
+ args += c; // Ditto
+ } else {
+ bool isOp = false;
+ if (c == '(') {
+ isFunc = true;
+ if (parens)
+ args += c;
+ ++parens;
+ } else if (c == ')') {
+ --parens;
+ if (parens)
+ args += c;
+ } else if (!parens) {
+ if (c == ':' || c == '|')
+ isOp = true;
+ else if (c == '!')
+ invert = true;
+ else
+ test += c;
+ } else {
+ args += c;
+ }
+ if (!parens && (isOp || d == ed)) {
+ // Yes, qmake doesn't shortcut evaluations here. We can't, either,
+ // as some test functions have side effects.
+ bool success;
+ if (isFunc) {
+ success = evaluateConditionalFunction(test, args);
+ } else {
+ success = isActiveConfig(test, true);
+ }
+ success ^= invert;
+ if (orOp)
+ ret |= success;
+ else
+ ret &= success;
+ orOp = (c == '|');
+ invert = false;
+ isFunc = false;
+ test.clear();
+ args.clear();
+ }
+ }
+ }
+ return returnBool(ret);
+ }
case T_CONFIG: {
if (args.count() < 1 || args.count() > 2) {
q->logMessage(format("CONFIG(config) requires one or two arguments."));