[FIX] disambiguate pro (IDL/PVWAVE vs QMAKE)

src/detector.c

@@ -607,6 +607,17 @@ const char *disambiguate_m(SourceFile *sourcefile) {
     return octave_syntax_detected ? LANG_OCTAVE : LANG_MATLAB;
 }
 
+const char *disambiguate_pro(SourceFile *sourcefile) {
+	char *p = ohcount_sourcefile_get_contents(sourcefile);
+	char *eof = p + strlen(p);
+	for (; p < eof; p++) {
+		if (strncmp(p, "SOURCES", 7) == 0 ||
+				strncmp(p, "CONFIG", 6) == 0)
+			return LANG_MAKE; // really QMAKE
+	}
+	return LANG_IDL_PVWAVE;
+}
+
 const char *disambiguate_st(SourceFile *sourcefile) {
   char *p, *pe;
   int length;

src/hash/disambiguatefuncs.gperf

@@ -11,6 +11,7 @@ const char *disambiguate_h(SourceFile *sourcefile);
 const char *disambiguate_in(SourceFile *sourcefile);
 const char *disambiguate_inc(SourceFile *sourcefile);
 const char *disambiguate_m(SourceFile *sourcefile);
+const char *disambiguate_pro(SourceFile *sourcefile);
 const char *disambiguate_st(SourceFile *sourcefile);
 %}
 struct DisambiguateFuncsMap { const char *key; const char* (*value)(SourceFile*); };
@@ -24,4 +25,5 @@ h, disambiguate_h
 in, disambiguate_in
 inc, disambiguate_inc
 m, disambiguate_m
+pro, disambiguate_pro
 st, disambiguate_st

src/hash/extensions.gperf

@@ -124,7 +124,7 @@ pnt, BINARY
 pod, LANG_PERL
 pp, LANG_PASCAL
 ppt, BINARY
-pro, LANG_IDL_PVWAVE
+pro, DISAMBIGUATE("pro")
 py, LANG_PYTHON
 qt, BINARY
 r, LANG_R

test/detect_files/qmake.pro

@@ -0,0 +1,16 @@
+CONFIG += qt debug
+HEADERS += hello.h
+SOURCES += hello.cpp
+SOURCES += main.cpp
+win32 {
+	SOURCES += hellowin.cpp
+}
+unix {
+	SOURCES += hellounix.cpp
+}
+!exists( main.cpp ) {
+	error( "No main.cpp file found" )
+}
+win32:debug {
+	CONFIG += console
+}

test/unit/detector_test.h

@@ -36,6 +36,11 @@ void test_detector_disambiguate_m() {
   ASSERT_DETECT(LANG_OCTAVE, "foo_octave.m");
 }
 
+void test_detector_disambiguate_pro() {
+  ASSERT_DETECT(LANG_IDL_PVWAVE, "foo.pro");
+  ASSERT_DETECT(LANG_MAKE, "qmake.pro");
+}
+
 void test_detector_fortran_fixedfree() {
   ASSERT_DETECT(LANG_FORTRANFIXED, "fortranfixed.f");
   ASSERT_DETECT(LANG_FORTRANFREE, "fortranfree.f");
@@ -112,6 +117,7 @@ void test_detector_xml_with_custom_extension() {
 void all_detector_tests() {
   test_detector_smalltalk();
   test_detector_disambiguate_m();
+  test_detector_disambiguate_pro();
   test_detector_fortran_fixedfree();
   test_detector_detect_polyglot();
   test_detector_upper_case_extensions();