cmListFileCache: Enforce proper nesting of flow control statements

Fixes: #19153

17 files changed, 56 insertions, 57 deletions

diff --git a/Tests/RunCMake/Syntax/FunctionUnmatched-stderr.txt b/Tests/RunCMake/Syntax/FunctionUnmatched-stderr.txt
index 306c255..87fa746 100644
--- a/Tests/RunCMake/Syntax/FunctionUnmatched-stderr.txt
+++ b/Tests/RunCMake/Syntax/FunctionUnmatched-stderr.txt
@@ -1,8 +1,4 @@
-^CMake Error in FunctionUnmatched.cmake:
-  A logical block opening on the line
-
-    .*/Tests/RunCMake/Syntax/FunctionUnmatched.cmake:[0-9]+ \(function\)
-
-  is not closed.
+^CMake Error at FunctionUnmatched\.cmake:[0-9]+ \(function\):
+  Flow control statements are not properly nested\.
 Call Stack \(most recent call first\):
-  CMakeLists.txt:[0-9]+ \(include\)$
+  CMakeLists\.txt:[0-9]+ \(include\)$
diff --git a/Tests/RunCMake/Syntax/FunctionUnmatchedForeach-stderr.txt b/Tests/RunCMake/Syntax/FunctionUnmatchedForeach-stderr.txt
index f4ff709..7904b87 100644
--- a/Tests/RunCMake/Syntax/FunctionUnmatchedForeach-stderr.txt
+++ b/Tests/RunCMake/Syntax/FunctionUnmatchedForeach-stderr.txt
@@ -1,8 +1,4 @@
-^CMake Error at FunctionUnmatchedForeach.cmake:[0-9]+ \(f\):
-  A logical block opening on the line
-
-    .*/Tests/RunCMake/Syntax/FunctionUnmatchedForeach.cmake:[0-9]+ \(foreach\)
-
-  is not closed.
+^CMake Error at FunctionUnmatchedForeach\.cmake:[0-9]+ \(endfunction\):
+  Flow control statements are not properly nested\.
 Call Stack \(most recent call first\):
-  CMakeLists.txt:[0-9]+ \(include\)$
+  CMakeLists\.txt:[0-9]+ \(include\)$
diff --git a/Tests/RunCMake/Syntax/ImproperNesting-result.txt b/Tests/RunCMake/Syntax/ImproperNesting-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/Syntax/ImproperNesting-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/Syntax/ImproperNesting-stderr.txt b/Tests/RunCMake/Syntax/ImproperNesting-stderr.txt
new file mode 100644
index 0000000..a209ef6
--- /dev/null
+++ b/Tests/RunCMake/Syntax/ImproperNesting-stderr.txt
@@ -0,0 +1,4 @@
+^CMake Error at ImproperNesting\.cmake:[0-9]+ \(endforeach\):
+  Flow control statements are not properly nested\.
+Call Stack \(most recent call first\):
+  CMakeLists\.txt:[0-9]+ \(include\)$
diff --git a/Tests/RunCMake/Syntax/ImproperNesting.cmake b/Tests/RunCMake/Syntax/ImproperNesting.cmake
new file mode 100644
index 0000000..47ff9f9
--- /dev/null
+++ b/Tests/RunCMake/Syntax/ImproperNesting.cmake
@@ -0,0 +1,7 @@
+message(FATAL_ERROR "This should not happen")
+
+foreach(i 1 2)
+  if(1)
+endforeach()
+endif()
+endif()
diff --git a/Tests/RunCMake/Syntax/MacroUnmatched-stderr.txt b/Tests/RunCMake/Syntax/MacroUnmatched-stderr.txt
index 440d863..a7af590 100644
--- a/Tests/RunCMake/Syntax/MacroUnmatched-stderr.txt
+++ b/Tests/RunCMake/Syntax/MacroUnmatched-stderr.txt
@@ -1,8 +1,4 @@
-^CMake Error in MacroUnmatched.cmake:
-  A logical block opening on the line
-
-    .*/Tests/RunCMake/Syntax/MacroUnmatched.cmake:[0-9]+ \(macro\)
-
-  is not closed.
+^CMake Error at MacroUnmatched\.cmake:[0-9]+ \(macro\):
+  Flow control statements are not properly nested\.
 Call Stack \(most recent call first\):
-  CMakeLists.txt:[0-9]+ \(include\)$
+  CMakeLists\.txt:[0-9]+ \(include\)$
diff --git a/Tests/RunCMake/Syntax/MacroUnmatchedForeach-stderr.txt b/Tests/RunCMake/Syntax/MacroUnmatchedForeach-stderr.txt
index 820cd2e..30c4a4c 100644
--- a/Tests/RunCMake/Syntax/MacroUnmatchedForeach-stderr.txt
+++ b/Tests/RunCMake/Syntax/MacroUnmatchedForeach-stderr.txt
@@ -1,8 +1,4 @@
-^CMake Error at MacroUnmatchedForeach.cmake:[0-9]+ \(m\):
-  A logical block opening on the line
-
-    .*/Tests/RunCMake/Syntax/MacroUnmatchedForeach.cmake:[0-9]+ \(foreach\)
-
-  is not closed.
+^CMake Error at MacroUnmatchedForeach\.cmake:[0-9]+ \(endmacro\):
+  Flow control statements are not properly nested\.
 Call Stack \(most recent call first\):
-  CMakeLists.txt:[0-9]+ \(include\)$
+  CMakeLists\.txt:[0-9]+ \(include\)$
diff --git a/Tests/RunCMake/Syntax/RunCMakeTest.cmake b/Tests/RunCMake/Syntax/RunCMakeTest.cmake
index 8d74dc1..34885b8 100644
--- a/Tests/RunCMake/Syntax/RunCMakeTest.cmake
+++ b/Tests/RunCMake/Syntax/RunCMakeTest.cmake
@@ -72,6 +72,7 @@ run_cmake(UnterminatedBrace2)
 run_cmake(UnterminatedBracket0)
 run_cmake(UnterminatedBracket1)
 run_cmake(UnterminatedBracketComment)
+run_cmake(ImproperNesting)
 
 # Variable expansion tests
 run_cmake(ExpandInAt)
diff --git a/Tests/RunCMake/if/duplicate-deep-else-stderr.txt b/Tests/RunCMake/if/duplicate-deep-else-stderr.txt
index ac2335c..ee886e0 100644
--- a/Tests/RunCMake/if/duplicate-deep-else-stderr.txt
+++ b/Tests/RunCMake/if/duplicate-deep-else-stderr.txt
@@ -1,4 +1,4 @@
-CMake Error at duplicate-deep-else.cmake:[0-9]+ \(else\):
-  A duplicate ELSE command was found inside an IF block.
+CMake Error at duplicate-deep-else\.cmake:[0-9]+ \(else\):
+  Flow control statements are not properly nested\.
 Call Stack \(most recent call first\):
-  CMakeLists.txt:3 \(include\)
+  CMakeLists\.txt:[0-9]+ \(include\)
diff --git a/Tests/RunCMake/if/duplicate-else-after-elseif-stderr.txt b/Tests/RunCMake/if/duplicate-else-after-elseif-stderr.txt
index ba6765c..60c8484 100644
--- a/Tests/RunCMake/if/duplicate-else-after-elseif-stderr.txt
+++ b/Tests/RunCMake/if/duplicate-else-after-elseif-stderr.txt
@@ -1,4 +1,4 @@
-CMake Error at duplicate-else-after-elseif.cmake:[0-9]+ \(else\):
-  A duplicate ELSE command was found inside an IF block.
+CMake Error at duplicate-else-after-elseif\.cmake:[0-9]+ \(else\):
+  Flow control statements are not properly nested\.
 Call Stack \(most recent call first\):
-  CMakeLists.txt:3 \(include\)
+  CMakeLists\.txt:[0-9]+ \(include\)
diff --git a/Tests/RunCMake/if/duplicate-else-stderr.txt b/Tests/RunCMake/if/duplicate-else-stderr.txt
index e0dd01f..518c43f 100644
--- a/Tests/RunCMake/if/duplicate-else-stderr.txt
+++ b/Tests/RunCMake/if/duplicate-else-stderr.txt
@@ -1,4 +1,4 @@
-CMake Error at duplicate-else.cmake:[0-9]+ \(else\):
-  A duplicate ELSE command was found inside an IF block.
+CMake Error at duplicate-else\.cmake:[0-9]+ \(else\):
+  Flow control statements are not properly nested\.
 Call Stack \(most recent call first\):
-  CMakeLists.txt:3 \(include\)
+  CMakeLists\.txt:[0-9]+ \(include\)
diff --git a/Tests/RunCMake/if/misplaced-elseif-stderr.txt b/Tests/RunCMake/if/misplaced-elseif-stderr.txt
index c4b0266..5138f11 100644
--- a/Tests/RunCMake/if/misplaced-elseif-stderr.txt
+++ b/Tests/RunCMake/if/misplaced-elseif-stderr.txt
@@ -1,4 +1,4 @@
-CMake Error at misplaced-elseif.cmake:[0-9]+ \(elseif\):
-  An ELSEIF command was found after an ELSE command.
+CMake Error at misplaced-elseif\.cmake:[0-9]+ \(elseif\):
+  Flow control statements are not properly nested\.
 Call Stack \(most recent call first\):
-  CMakeLists.txt:3 \(include\)
+  CMakeLists\.txt:[0-9]+ \(include\)
diff --git a/Tests/RunCMake/while/EndAlone-stderr.txt b/Tests/RunCMake/while/EndAlone-stderr.txt
index 5fe6655..3195fa0 100644
--- a/Tests/RunCMake/while/EndAlone-stderr.txt
+++ b/Tests/RunCMake/while/EndAlone-stderr.txt
@@ -1,5 +1,4 @@
-^CMake Error at EndAlone.cmake:1 \(endwhile\):
-  endwhile An ENDWHILE command was found outside of a proper WHILE ENDWHILE
-  structure.  Or its arguments did not match the opening WHILE command.
+^CMake Error at EndAlone\.cmake:[0-9]+ \(endwhile\):
+  Flow control statements are not properly nested\.
 Call Stack \(most recent call first\):
-  CMakeLists.txt:3 \(include\)$
+  CMakeLists\.txt:[0-9]+ \(include\)$
diff --git a/Tests/RunCMake/while/EndAloneArgs-stderr.txt b/Tests/RunCMake/while/EndAloneArgs-stderr.txt
index a8c043d..1634e3b 100644
--- a/Tests/RunCMake/while/EndAloneArgs-stderr.txt
+++ b/Tests/RunCMake/while/EndAloneArgs-stderr.txt
@@ -1,5 +1,4 @@
-^CMake Error at EndAloneArgs.cmake:1 \(endwhile\):
-  endwhile An ENDWHILE command was found outside of a proper WHILE ENDWHILE
-  structure.  Or its arguments did not match the opening WHILE command.
+^CMake Error at EndAloneArgs\.cmake:[0-9]+ \(endwhile\):
+  Flow control statements are not properly nested\.
 Call Stack \(most recent call first\):
-  CMakeLists.txt:3 \(include\)$
+  CMakeLists\.txt:[0-9]+ \(include\)$
diff --git a/Tests/RunCMake/while/EndMissing-stderr.txt b/Tests/RunCMake/while/EndMissing-stderr.txt
index 964792f..1e3be4d 100644
--- a/Tests/RunCMake/while/EndMissing-stderr.txt
+++ b/Tests/RunCMake/while/EndMissing-stderr.txt
@@ -1,8 +1,4 @@
-^CMake Error in EndMissing.cmake:
-  A logical block opening on the line
-
-    .*/Tests/RunCMake/while/EndMissing.cmake:1 \(while\)
-
-  is not closed.
+^CMake Error at EndMissing\.cmake:[0-9]+ \(while\):
+  Flow control statements are not properly nested\.
 Call Stack \(most recent call first\):
-  CMakeLists.txt:[0-9]+ \(include\)$
+  CMakeLists\.txt:[0-9]+ \(include\)$
diff --git a/Tests/RunCMake/while/MissingArgument-stderr.txt b/Tests/RunCMake/while/MissingArgument-stderr.txt
index 7ff0971..59e8ee3 100644
--- a/Tests/RunCMake/while/MissingArgument-stderr.txt
+++ b/Tests/RunCMake/while/MissingArgument-stderr.txt
@@ -1,4 +1,11 @@
-^CMake Error at MissingArgument.cmake:1 \(while\):
+^CMake Error at MissingArgument\.cmake:[0-9]+ \(while\):
   while called with incorrect number of arguments
 Call Stack \(most recent call first\):
-  CMakeLists.txt:3 \(include\)$
+  CMakeLists\.txt:[0-9]+ \(include\)
+
+
+CMake Error at MissingArgument\.cmake:[0-9]+ \(endwhile\):
+  endwhile An ENDWHILE command was found outside of a proper WHILE ENDWHILE
+  structure\.  Or its arguments did not match the opening WHILE command\.
+Call Stack \(most recent call first\):
+  CMakeLists\.txt:[0-9]+ \(include\)$
diff --git a/Tests/RunCMake/while/MissingArgument.cmake b/Tests/RunCMake/while/MissingArgument.cmake
index 32eaa26..3fe2d97 100644
--- a/Tests/RunCMake/while/MissingArgument.cmake
+++ b/Tests/RunCMake/while/MissingArgument.cmake
@@ -1 +1,2 @@
 while()
+endwhile()