CMake: pro2cmake.py: Fix parsing of for loops

Ignore for loops in the pro2cmake.py parser and add a unit test for that.

Change-Id: I2a0c075c45cf56f4f24ada2d53e8e8e94ce19f26
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

util/cmake/pro2cmake.py

@@ -520,7 +520,6 @@ class QmakeParser:
         LC = pp.Suppress(pp.Literal('\\\n'))
         EOL = pp.Suppress(pp.Literal('\n'))
         Else = pp.Keyword('else')
-        DefineTest = pp.Keyword('defineTest')
         Identifier = pp.Word(pp.alphas + '_', bodyChars=pp.alphanums+'_-./')
         BracedValue = pp.nestedExpr(ignoreExpr=pp.quotedString \
                                         | pp.QuotedString(quoteChar='$(',
@@ -560,17 +559,15 @@ class QmakeParser:
         Operation = Key('key') + pp.Optional(LC) \
             + Op('operation') + pp.Optional(LC) \
             + Values('value')
-        CallArgs = pp.nestedExpr()
+        CallArgs = pp.Optional(LC) + pp.nestedExpr()
         CallArgs.setParseAction(lambda x: ' '.join(chain(*x)))
         Load = pp.Keyword('load') + CallArgs('loaded')
         Include = pp.Keyword('include') + CallArgs('included')
         Option = pp.Keyword('option') + CallArgs('option')
-        DefineTestDefinition = pp.Suppress(DefineTest + CallArgs \
-             + pp.nestedExpr(opener='{', closer='}'))  # ignore the whole thing...
-        ForLoop = pp.Suppress(pp.Keyword('for') + pp.nestedExpr()
-                              + pp.nestedExpr(opener='{', closer='}',
-                                              ignoreExpr=None)
-                              + pp.LineEnd())  # ignore the whole thing...
+        DefineTestDefinition = pp.Suppress(pp.Keyword('defineTest') + CallArgs
+             + pp.nestedExpr(opener='{', closer='}', ignoreExpr=pp.LineEnd()))  # ignore the whole thing...
+        ForLoop = pp.Suppress(pp.Keyword('for') + CallArgs
+             + pp.nestedExpr(opener='{', closer='}', ignoreExpr=pp.LineEnd()))  # ignore the whole thing...
         FunctionCall = pp.Suppress(Identifier + pp.nestedExpr())
 
         Scope = pp.Forward()
@@ -617,7 +614,7 @@ class QmakeParser:
                          'Key Op Values Value BracedValue ' \
                          'Scope Block ' \
                          'StatementGroup StatementLine Statement '\
-                         'Load Include Option DefineTest ForLoop ' \
+                         'Load Include Option DefineTestDefinition ForLoop ' \
                          'FunctionCall CallArgs Operation'.split():
                 expr = locals()[ename]
                 expr.setName(ename)

util/cmake/tests/data/for.pro

@@ -0,0 +1,11 @@
+SOURCES = main.cpp
+for (config, SIMD) {
+    uc = $$upper($$config)
+    DEFINES += QT_COMPILER_SUPPORTS_$${uc}
+
+    add_cflags {
+        cflags = QMAKE_CFLAGS_$${uc}
+        !defined($$cflags, var): error("This compiler does not support $${uc}")
+        QMAKE_CXXFLAGS += $$eval($$cflags)
+    }
+}

util/cmake/tests/test_parsing.py

@@ -173,6 +173,13 @@ def test_definetest():
     assert result[0] == []
 
 
+def test_for():
+    result = parse_file(_tests_path + '/data/for.pro')
+    assert len(result) == 2
+    validate_op('SOURCES', '=', ['main.cpp'], result[0])
+    assert result[1] == []
+
+
 def test_unset():
     result = parse_file(_tests_path + '/data/unset.pro')
     assert len(result) == 1