From 1bd4a9a667fab6c57a91c2177aff4536799e210f Mon Sep 17 00:00:00 2001
From: Krzysztof Swiecicki <krzysztof.swiecicki@intel.com>
Date: Fri, 3 Nov 2023 13:23:37 +0100
Subject: [PATCH] Port match scripts from adapters branch

---
 cmake/match.cmake | 16 +++++----------
 cmake/match.py    | 52 ++++++++++++++++++++++++++++++++++++++++-------
 2 files changed, 50 insertions(+), 18 deletions(-)

diff --git a/cmake/match.cmake b/cmake/match.cmake
index d796adbc74..8891c617e9 100644
--- a/cmake/match.cmake
+++ b/cmake/match.cmake
@@ -61,7 +61,7 @@ elseif(${MODE} STREQUAL "file")
 endif()
 
 if(TEST_RESULT)
-    message(FATAL_ERROR "Failed: Test ${TEST_FILE} ${TEST_ARGS} returned non-zero (${TEST_RESULT}).")
+    message(FATAL_ERROR "Failed: Test command '${TEST_FILE} ${TEST_ARGS}' returned non-zero (${TEST_RESULT}).")
 endif()
 
 # Compare the output file contents with a match file contents
@@ -71,13 +71,7 @@ execute_process(
 )
 
 if(TEST_RESULT)
-    file(READ ${OUT_FILE} OUTPUT)
-    file(READ ${MATCH_FILE} MATCH_STRING)
-    message(FATAL_ERROR "Failed: The output of ${OUT_FILE}:\n  ${OUTPUT}\n does not match ${MATCH_FILE}:\n ${MATCH_STRING} (${TEST_RESULT})")
-elseif()
-    message("Passed: The output ${OUT_FILE} matches ${MATCH_FILE}")
-endif()
-
-if(EXISTS ${OUT_FILE})
-    file(REMOVE ${OUT_FILE})
-endif()
+    message(FATAL_ERROR "Failed (${TEST_RESULT}): The output of test command '${TEST_FILE} ${TEST_ARGS}' (stored in ${CMAKE_CURRENT_BINARY_DIR}/${OUT_FILE}) does not match '${MATCH_FILE}'")
+else()
+    message("Passed: The output of test command '${TEST_FILE} ${TEST_ARGS}' (stored in ${CMAKE_CURRENT_BINARY_DIR}/${OUT_FILE}) matches '${MATCH_FILE}'")
+endif()
\ No newline at end of file
diff --git a/cmake/match.py b/cmake/match.py
index 74ec9b54b2..8445f1c558 100755
--- a/cmake/match.py
+++ b/cmake/match.py
@@ -11,6 +11,16 @@
 import sys
 import re
 
+
+## @brief print the whole content of input and match files
+def print_content(input_lines, match_lines):
+    print("--- Input Lines " + "-" * 64)
+    print("".join(input_lines).strip())
+    print("--- Match Lines " + "-" * 64)
+    print("".join(match_lines).strip())
+    print("-" * 80)
+
+
 if len(sys.argv) != 3:
     print("Usage: python match.py <input_file> <match_file>")
     sys.exit(1)
@@ -22,10 +32,20 @@
     input_lines = input.readlines()
     match_lines = match.readlines()
 
-if len(match_lines) != len(input_lines):
-    sys.exit(f"Line count doesn't match (is: {len(input_lines)}, expected: {len(match_lines)})")
+if len(match_lines) < len(input_lines):
+    print(f"Match length < input length (input: {len(input_lines)}, match: {len(match_lines)})")
+    print_content(input_lines, match_lines)
+    sys.exit(1)
 
+input_idx = 0
+opt = "{{OPT}}"
 for i, match_line in enumerate(match_lines):
+    if match_line.startswith(opt):
+        optional_line = True
+        match_line = match_line[len(opt):]
+    else:
+        optional_line = False
+
     # split into parts at {{ }}
     match_parts = re.split(r'\{{(.*?)\}}', match_line.strip())
     pattern = ""
@@ -35,9 +55,27 @@
         else:
             pattern += part
 
-    input_line = input_lines[i].strip()
+    # empty input file or end of input file, from now on match file must be optional
+    if not input_lines:
+        if optional_line is True:
+            continue
+        else:
+            print("End of input file or empty file.")
+            print("expected: " + match_line.strip())
+            sys.exit(1)
+
+    input_line = input_lines[input_idx].strip()
     if not re.fullmatch(pattern, input_line):
-        print(f"Line {i+1} does not match".format(i+1))
-        print("is:       " + input_line)
-        print("expected: " + match_line.strip())
-        sys.exit(1)
+        if optional_line is True:
+            continue
+        else:
+            print("Line " + str(i+1) + " does not match")
+            print("is:       " + input_line)
+            print("expected: " + match_line.strip())
+            print_content(input_lines, match_lines)
+            sys.exit(1)
+    else:
+        if (input_idx == len(input_lines) - 1):
+            input_lines = []
+        else:
+            input_idx += 1
\ No newline at end of file