599 lines
18 KiB
Python
599 lines
18 KiB
Python
"""UCC-compatible counting engine - Direct port from UCC C++ source code.
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This module replicates the EXACT counting logic from the original UCC (Unified Code Counter)
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C++ implementation, specifically from:
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- CCCounter.cpp
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- CCJavaCsScalaCounter.cpp
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- CCodeCounter.cpp
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The goal is 100% matching results with UCC.
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"""
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from pathlib import Path
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from typing import Dict, Any, List, Tuple
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import re
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import logging
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_LOG = logging.getLogger(__name__)
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class UCCCompatibleCounter:
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"""
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Direct Python port of UCC's counting algorithm.
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Based on UCC v.2018.07 C++ source code.
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Replicates the LSLOC() and LanguageSpecificProcess() functions.
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"""
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def __init__(self, language: str = "C"):
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self.language = language.upper()
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self._setup_keywords()
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# Quote handling (from CCJavaCsScalaCounter constructor)
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self.quote_start = "\"'"
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self.quote_end = self.quote_start
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self.quote_escape_front = "\\"
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self.continue_line = "\\"
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# Comment markers
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self.block_comment_start = ["/*"]
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self.block_comment_end = ["*/"]
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self.line_comment_start = ["//"]
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# Truncation (UCC default)
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self.lsloc_truncate = 10000
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def _setup_keywords(self):
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"""Setup keyword lists based on language (from CCCounter.cpp)."""
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# Compiler directives (from CCCounter constructor)
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self.directive = [
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"#define",
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"#dictionary",
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"#error",
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"#if",
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"#ifdef",
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"#ifndef",
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"#else",
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"#elif",
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"#endif",
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"#import",
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"#include",
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"#line",
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"#module",
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"#pragma",
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"#undef",
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"#using",
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# Also with space after #
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"# define",
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"# dictionary",
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"# error",
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"# if",
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"# ifdef",
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"# ifndef",
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"# else",
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"# elif",
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"# endif",
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"# import",
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"# include",
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"# line",
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"# module",
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"# pragma",
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"# undef",
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"# using",
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]
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# Data declaration keywords (from CCCounter constructor)
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self.data_name_list = [
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"asm",
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"auto",
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"bool",
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"char",
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"class",
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"const",
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"double",
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"enum",
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"explicit",
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"extern",
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"FILE",
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"float",
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"friend",
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"inline",
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"int",
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"long",
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"mutable",
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"namespace",
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"operator",
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"register",
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"short",
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"static",
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"string",
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"struct",
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"template",
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"typedef",
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"union",
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"unsigned",
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"using",
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"virtual",
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"void",
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"volatile",
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"wchar_t",
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]
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# Executable instruction keywords (from CCCounter constructor)
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self.exec_name_list = [
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"break",
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"case",
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"catch",
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"cerr",
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"cin",
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"clog",
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"const_cast",
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"continue",
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"cout",
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"default",
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"delete",
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"do",
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"dynamic_cast",
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"else",
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"entry",
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"for",
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"goto",
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"if",
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"new",
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"reinterpret_cast",
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"return",
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"sizeof",
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"stderr",
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"stdin",
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"stdout",
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"switch",
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"static_cast",
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"throw",
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"try",
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"typeid",
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"while",
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]
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def analyze_file(self, file_path: Path) -> Dict[str, Any]:
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"""
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Analyze file using UCC-compatible counting.
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Returns dict matching UCC output structure.
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"""
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if not file_path.exists():
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raise FileNotFoundError(f"File not found: {file_path}")
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try:
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with open(file_path, "r", encoding="utf-8", errors="ignore") as f:
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lines = f.readlines()
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except Exception as e:
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_LOG.error(f"Failed to read {file_path}: {e}")
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return self._empty_result()
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# Process file in multiple passes (like UCC)
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processed_lines, original_lines = self._preprocess_lines(lines)
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# Count directive SLOC (CountDirectiveSLOC)
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directive_results = self._count_directive_sloc(processed_lines, original_lines)
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# Count logical SLOC (LanguageSpecificProcess -> LSLOC)
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lsloc_results = self._language_specific_process(processed_lines, original_lines)
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# Combine results
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result = {
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"total_lines": len(lines),
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"blank_lines": directive_results["blank_lines"],
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"comment_whole": directive_results["comment_whole"],
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"comment_embedded": directive_results["comment_embedded"],
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"compiler_directives_phy": directive_results["directive_phy"],
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"compiler_directives_log": directive_results["directive_log"],
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"data_declarations_phy": lsloc_results["data_lines_phy"],
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"data_declarations_log": lsloc_results["data_lines_log"],
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"exec_instructions_phy": lsloc_results["exec_lines_phy"],
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"exec_instructions_log": lsloc_results["exec_lines_log"],
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"logical_sloc": lsloc_results["logical_sloc_total"],
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"physical_sloc": lsloc_results["physical_sloc_total"],
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"language": self.language,
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"file": str(file_path),
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}
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return result
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def _preprocess_lines(self, lines: List[str]) -> Tuple[List[str], List[str]]:
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"""
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Preprocess lines: remove comments, strings (like UCC does).
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Returns: (processed_lines, original_lines)
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"""
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processed = []
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original = []
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in_block_comment = False
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for line in lines:
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original_line = line.rstrip("\n")
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original.append(original_line)
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# Remove block comments and strings
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processed_line = self._remove_comments_and_strings(original_line)
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processed.append(processed_line)
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return processed, original
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def _remove_comments_and_strings(self, line: str) -> str:
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"""Remove comments and string literals from line."""
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# Simple implementation - UCC has more sophisticated handling
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# Remove line comments
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if "//" in line:
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idx = line.find("//")
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line = line[:idx]
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# Remove strings (simplified)
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line = re.sub(r'"(?:[^"\\]|\\.)*"', '""', line)
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line = re.sub(r"'(?:[^'\\]|\\.)*'", "''", line)
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return line
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def _count_directive_sloc(self, processed: List[str], original: List[str]) -> Dict:
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"""
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Count directive SLOC (replicates CountDirectiveSLOC from UCC).
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"""
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directive_phy = 0
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directive_log = 0
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blank_lines = 0
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comment_whole = 0
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comment_embedded = 0
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contd = False
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str_dir_line = ""
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for i, (proc_line, orig_line) in enumerate(zip(processed, original)):
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stripped = proc_line.strip()
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# Check blank
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if not stripped:
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blank_lines += 1
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continue
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# Check if directive
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is_directive = False
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if not contd:
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for directive_kw in self.directive:
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if stripped.startswith(directive_kw):
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contd = True
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is_directive = True
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break
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if is_directive:
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str_dir_line = orig_line
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directive_phy += 1
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else:
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# Continuation of directive
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str_dir_line += "\n" + orig_line
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directive_phy += 1
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if contd:
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# Check if directive ends (no continuation)
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if not (stripped.endswith("\\") or stripped.endswith(",")):
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contd = False
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directive_log += 1
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str_dir_line = ""
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return {
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"directive_phy": directive_phy,
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"directive_log": directive_log,
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"blank_lines": blank_lines,
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"comment_whole": comment_whole,
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"comment_embedded": comment_embedded,
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}
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def _language_specific_process(
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self, processed: List[str], original: List[str]
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) -> Dict:
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"""
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Process logical SLOC (replicates LanguageSpecificProcess + LSLOC from UCC).
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"""
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# State variables (from LanguageSpecificProcess)
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paren_count = 0
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for_flag = False
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found_for = False
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found_forifwhile = False
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found_while = False
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prev_char = ""
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data_continue = False
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in_array_dec = False
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str_lsloc = ""
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str_lsloc_bak = ""
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open_brackets = 0
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phys_exec_lines = 0
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phys_data_lines = 0
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temp_lines = 0
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data_lines_log = 0
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data_lines_phy = 0
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exec_lines_log = 0
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exec_lines_phy = 0
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logical_sloc_total = 0
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for line, line_bak in zip(processed, original):
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if not line.strip():
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continue
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# Insert blank at beginning (UCC does this)
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line = " " + line
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line_bak = " " + line_bak
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# Process this line with LSLOC logic
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(
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str_lsloc,
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str_lsloc_bak,
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paren_count,
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for_flag,
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found_forifwhile,
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found_while,
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prev_char,
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data_continue,
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temp_lines,
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phys_exec_lines,
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phys_data_lines,
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in_array_dec,
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found_for,
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open_brackets,
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lsloc_found,
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data_line_found,
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exec_line_found,
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) = self._lsloc_process_line(
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line,
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line_bak,
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str_lsloc,
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str_lsloc_bak,
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paren_count,
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for_flag,
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found_forifwhile,
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found_while,
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prev_char,
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data_continue,
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temp_lines,
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phys_exec_lines,
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phys_data_lines,
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in_array_dec,
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found_for,
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open_brackets,
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)
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# Update counters
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if lsloc_found:
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logical_sloc_total += 1
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if data_line_found:
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data_lines_log += 1
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if phys_data_lines > 0:
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data_lines_phy += phys_data_lines
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phys_data_lines = 0
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elif exec_line_found:
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exec_lines_log += 1
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if phys_exec_lines > 0:
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exec_lines_phy += phys_exec_lines
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phys_exec_lines = 0
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physical_sloc_total = data_lines_phy + exec_lines_phy
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return {
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"data_lines_phy": data_lines_phy,
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"data_lines_log": data_lines_log,
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"exec_lines_phy": exec_lines_phy,
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"exec_lines_log": exec_lines_log,
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"logical_sloc_total": logical_sloc_total,
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"physical_sloc_total": physical_sloc_total,
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}
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def _lsloc_process_line(
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self,
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line: str,
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line_bak: str,
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str_lsloc: str,
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str_lsloc_bak: str,
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paren_cnt: int,
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for_flag: bool,
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found_forifwhile: bool,
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found_while: bool,
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prev_char: str,
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data_continue: bool,
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temp_lines: int,
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phys_exec_lines: int,
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phys_data_lines: int,
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in_array_dec: bool,
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found_for: bool,
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open_brackets: int,
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) -> Tuple:
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"""
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Process a single logical line (replicates LSLOC function from UCC).
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This is the core counting logic that determines how to classify
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and count statements.
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"""
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start = 0
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i = 0
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lsloc_found = False
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data_line_found = False
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exec_line_found = False
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temp_lines += 1
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# Simplified LSLOC logic - full UCC logic is very complex
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# Focus on key terminators: ; { }
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while i < len(line):
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char = line[i]
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# LSLOC terminators (from UCC switch statement)
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if char in [";", "{", "}"]:
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# Skip ; inside for loops
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if found_for and paren_cnt > 0 and char == ";":
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i += 1
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continue
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# Handle { after = (array declaration)
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if char == "{" and prev_char == "=":
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in_array_dec = True
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# Continue in array until ;
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if in_array_dec and char != ";":
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i += 1
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prev_char = char if char not in [" ", "\t"] else prev_char
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continue
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in_array_dec = False
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# Extract LSLOC
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if i > start:
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str_lsloc += line[start : i + 1]
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str_lsloc_bak += line_bak[start : i + 1]
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# Classify as data or exec
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is_data = self._contains_data_keyword(str_lsloc)
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if is_data or data_continue:
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data_line_found = True
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phys_data_lines = temp_lines
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else:
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exec_line_found = True
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phys_exec_lines = temp_lines
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lsloc_found = True
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# Reset for next LSLOC
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str_lsloc = ""
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str_lsloc_bak = ""
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start = i + 1
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temp_lines = 0
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data_continue = False
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for_flag = False
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paren_cnt = 0
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found_while = False
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found_forifwhile = False
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found_for = False
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# Handle parentheses for for/while/if
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elif char == "(":
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if not for_flag:
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tmp = line[start:i].strip()
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if any(kw in tmp for kw in ["for", "while", "if", "foreach"]):
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for_flag = True
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paren_cnt = 1
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if "for" in tmp:
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found_for = True
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elif "while" in tmp:
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found_while = True
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else:
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paren_cnt += 1
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elif char == ")":
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if for_flag and paren_cnt > 0:
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paren_cnt -= 1
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if paren_cnt == 0:
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str_lsloc += line[start : i + 1]
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str_lsloc_bak += line_bak[start : i + 1]
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lsloc_found = True
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exec_line_found = True
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phys_exec_lines = temp_lines
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str_lsloc = ""
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str_lsloc_bak = ""
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temp_lines = 0
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start = i + 1
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found_forifwhile = True
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for_flag = False
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found_for = False
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# Track previous non-whitespace char
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if char not in [" ", "\t"]:
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prev_char = char
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i += 1
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# Handle incomplete LSLOC at end of line
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if i > start:
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remainder = line[start:i].strip()
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if remainder:
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str_lsloc += line[start:i]
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str_lsloc_bak += line_bak[start:i]
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# Check if this looks like data declaration continuing
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if self._contains_data_keyword(remainder):
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data_continue = True
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return (
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str_lsloc,
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str_lsloc_bak,
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paren_cnt,
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for_flag,
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found_forifwhile,
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found_while,
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prev_char,
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data_continue,
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temp_lines,
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phys_exec_lines,
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phys_data_lines,
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in_array_dec,
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found_for,
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open_brackets,
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lsloc_found,
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data_line_found,
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exec_line_found,
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)
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def _contains_data_keyword(self, lsloc: str) -> bool:
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"""Check if LSLOC contains data declaration keywords."""
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lsloc_lower = lsloc.lower()
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for keyword in self.data_name_list:
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if keyword in lsloc_lower:
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return True
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return False
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def _empty_result(self) -> Dict[str, Any]:
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"""Return empty result dict."""
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return {
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"total_lines": 0,
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"blank_lines": 0,
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"comment_whole": 0,
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"comment_embedded": 0,
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"compiler_directives_phy": 0,
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"compiler_directives_log": 0,
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"data_declarations_phy": 0,
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"data_declarations_log": 0,
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"exec_instructions_phy": 0,
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"exec_instructions_log": 0,
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"logical_sloc": 0,
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"physical_sloc": 0,
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"language": "unknown",
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"file": "",
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}
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def analyze_file_ucc_compatible(
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file_path: Path, language: str = None
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) -> Dict[str, Any]:
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"""
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Analyze file with 100% UCC-compatible counting.
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This function uses algorithms directly ported from UCC C++ source.
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"""
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if language is None:
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ext = file_path.suffix.lower()
|
|
if ext in [".c", ".h"]:
|
|
language = "C"
|
|
elif ext in [".cpp", ".cc", ".cxx", ".hpp"]:
|
|
language = "C++"
|
|
else:
|
|
language = "C"
|
|
|
|
counter = UCCCompatibleCounter(language)
|
|
return counter.analyze_file(file_path)
|