Add support for nested parenthesis and inline conditional expressions

There's a lot of such code in Qt and KDE world.

Fixes #68

CMake.sublime-syntax

@@ -206,8 +206,7 @@ contexts:
     - include: break
     - include: main
 
-  if-args:
-    - meta_scope: meta.function-call.arguments.cmake
+  if-args-inline:
     - match: \(
       scope: punctuation.section.parens.begin.cmake
       push: if-args
@@ -266,6 +265,10 @@ contexts:
         - match: \n
         - match: ''
           pop: true
+
+  if-args:
+    - meta_scope: meta.function-call.arguments.cmake
+    - include: if-args-inline
     - include: args-common
 
   elseif:
@@ -520,6 +523,8 @@ contexts:
     - match: \)
       scope: punctuation.section.parens.end.cmake
       pop: true
+    # This might be useful for commands which take literal condition expressions as arguments
+    - include: if-args-inline
     - match: (?={{generic_named_parameter}})
       push: unquoted-argument-or-keyword
     - include: string-unquoted

syntax_test.txt

@@ -360,3 +360,18 @@ foreach(iexample RANGE ${nexample})
     #            ^^^^^ meta.group.foreach.cmake meta.function-call.arguments.cmake variable.parameter.foreach.RANGE.cmake
 endforeach()
 # <- meta.group.foreach.cmake meta.function-call.cmake keyword.control.endforeach.cmake
+
+test_nested_conditions(Abc CONDITION GCC AND (arch STREQUAL "x") COMPILE_OPTIONS -fno)
+# ^^^^^^^^^^^^^^^^^^^^ meta.function-call.generic.cmake variable.function.generic
+#                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ meta.function-call.arguments.generic
+#                     ^ punctuation.section.parens.begin
+#                          ^^^^^^^^^ variable.parameter.generic
+#                                        ^^^ keyword.operator
+#                                            ^ punctuation.section.parens.begin
+#                                                  ^^^^^^^^ variable.parameter.if.STREQUAL.cmake
+#                                                              ^ punctuation.section.parens.end
+#                                                                ^^^^^^^^^^^^^^^ variable.parameter.generic
+#                                                                                ^^^^ meta.string.unquoted
+#                                                                                    ^ punctuation.section.parens.end
+
+# <- - meta.function-call