snippets_translate: Enable all modules

Fix a fixme commment. To make this pass, make the conditions matches
more strict and add some warnings and error handling.

Remove the checking of stderr from the CMake statement as this will
produce some warnings.

Task-number: PYSIDE-1721
Change-Id: I8aeefa8355144d98524a622733d82d337cd3c23b
Reviewed-by: Cristian Maureira-Fredes <cristian.maureira-fredes@qt.io>
(cherry picked from commit 9b887937f971887a32aefd584cc247bc7ec0f36e)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

3 files changed, 26 insertions, 15 deletions

diff --git a/sources/pyside6/doc/CMakeLists.txt b/sources/pyside6/doc/CMakeLists.txt
index a7639b8e6..37c895cad 100644
--- a/sources/pyside6/doc/CMakeLists.txt
+++ b/sources/pyside6/doc/CMakeLists.txt
@@ -102,10 +102,8 @@ if (FULLDOCSBUILD)
     execute_process(COMMAND ${PYTHON_EXECUTABLE} ${SNIPPETS_TOOL}
         --qt ${QT_SRC_DIR}/.. --pyside ${PYSIDE_ROOT} -w
         WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
-        ERROR_VARIABLE SNIPPETS_ERROR
         RESULT_VARIABLE SNIPPETS_RESULT)
-    # SNIPPETS_ERROR might be empty and SNIPPET_RESULT might contain "permission denied"
-    if (SNIPPETS_ERROR OR SNIPPETS_RESULT)
+    if (SNIPPETS_RESULT)
         message(FATAL_ERROR
                 "The 'snippets_translate' tool failed: ${SNIPPETS_ERROR} ${SNIPPET_RESULT}")
     endif()
diff --git a/tools/snippets_translate/handlers.py b/tools/snippets_translate/handlers.py
index 510498a30..7da983bc4 100644
--- a/tools/snippets_translate/handlers.py
+++ b/tools/snippets_translate/handlers.py
@@ -42,6 +42,11 @@ import sys
 
 from parse_utils import get_indent, dstrip, remove_ref, parse_arguments, replace_main_commas, get_qt_module_class
 
+IF_PATTERN = re.compile(r'^if\s*\(')
+ELSE_IF_PATTERN = re.compile(r'^}?\s*else if\s*\(')
+WHILE_PATTERN = re.compile(r'^while\s*\(')
+
+
 def handle_condition(x, name):
     # Make sure it's not a multi line condition
     x = x.replace("}", "")
@@ -57,8 +62,13 @@ def handle_condition(x, name):
             x = x.replace(f"//{comment_content[-1]}", "")
 
         re_par = re.compile(r"\((.+)\)")
-        condition = re_par.search(x).group(1)
-        return f"{get_indent(x)}{name} {condition.strip()}:{comment}"
+        match = re_par.search(x)
+        if match:
+            condition = re_par.search(x).group(1)
+            return f"{get_indent(x)}{name} {condition.strip()}:{comment}"
+        else:
+            print(f'snippets_translate: Warning "{x}" does not match condition pattern',
+                  file=sys.stderr)
     return x
 
 
@@ -138,11 +148,11 @@ def handle_include(x):
 
 def handle_conditions(x):
     x_strip = x.strip()
-    if x_strip.startswith("while") and "(" in x:
+    if WHILE_PATTERN.match(x):
         x = handle_condition(x, "while")
-    elif x_strip.startswith("if") and "(" in x:
+    elif IF_PATTERN.match(x):
         x = handle_condition(x, "if")
-    elif x_strip.startswith(("else if", "} else if")):
+    elif ELSE_IF_PATTERN.match(x):
         x = handle_condition(x, "else if")
         x = x.replace("else if", "elif")
     x = x.replace("::", ".")
@@ -187,7 +197,7 @@ def handle_for(x):
                     # Malformed for-loop:
                     #   for (; pixel1 > start; pixel1 -= stride)
                     # We return the same line
-                    if not start.strip():
+                    if not start.strip() or not "=" in start:
                         return f"{get_indent(x)}{dstrip(x)}"
                     raw_var, value = start.split("=")
                 raw_var = raw_var.strip()
@@ -333,9 +343,14 @@ def handle_constructor_default_values(x):
         elif arg:
             var_name = arg.split("(")[0]
             re_par = re.compile(r"\((.+)\)")
-            content = re_par.search(arg).group(1)
-            return f"    self.{var_name} = {content}"
-
+            match = re_par.search(arg)
+            if match:
+                content = match.group(1)
+                return f"    self.{var_name} = {content}"
+            else:
+                print(f'snippets_translate: Warning "{arg}" does not match pattern',
+                      file=sys.stderr)
+                return ""
     return return_values.rstrip()
 
 
@@ -409,6 +424,7 @@ def handle_void_functions(x):
         method_name = class_method.strip()
 
     # if the arguments are in the same line:
+    arguments = None
     if ")" in x:
         re_content = re.compile(r"\((.*)\)")
         parenthesis = re_content.search(x).group(1)
diff --git a/tools/snippets_translate/main.py b/tools/snippets_translate/main.py
index 94408a483..29a445fd9 100644
--- a/tools/snippets_translate/main.py
+++ b/tools/snippets_translate/main.py
@@ -397,9 +397,6 @@ def process(options):
     else:
         for i in qt_path.iterdir():
             module_name = i.name
-            # FIXME: remove this, since it's just for testing.
-            if i.name != "qtbase":
-                continue
 
             # Filter only Qt modules
             if not module_name.startswith("qt"):