test_nabc_lines.sh

#!/bin/bash

# Test NABC Lines Header Recognition
# Tests that nabc-lines header is properly recognized and highlighted

echo "Testing NABC Lines Header Recognition..."
echo "========================================"

TEST_FILE="test_nabc_lines.gabc"

if [ ! -f "$TEST_FILE" ]; then
    echo "Error: Test file $TEST_FILE not found!"
    exit 1
fi

echo "Test file content:"
echo "------------------"
head -30 "$TEST_FILE"
echo ""
echo "[... content truncated for display ...]"
echo "------------------"

# Test using vim in ex mode to verify syntax highlighting
echo "Testing nabc-lines header detection..."

# Create a vim script that checks for header highlighting
cat > test_nabc_lines.vim << 'EOF'
" Load the test file
edit test_nabc_lines.gabc

" Enable syntax highlighting
syntax on
filetype on

" Create a validation report
redir > nabc_lines_report.txt
echo "NABC Lines Header Recognition Test Report"
echo "========================================"
echo ""
echo "Checking for NABC Lines highlight groups:"
syntax list gabcNabcLinesField
syntax list gabcNabcLinesValue
echo ""
echo "File processed successfully."
redir END

quit
EOF

# Run vim with the test script
vim -e -s -c "source test_nabc_lines.vim" 2>/dev/null

if [ -f "nabc_lines_report.txt" ]; then
    echo "Vim syntax test completed:"
    cat nabc_lines_report.txt
    rm -f nabc_lines_report.txt test_nabc_lines.vim
else
    echo "Warning: Could not generate nabc-lines report"
fi

echo ""
echo "Manual validation required:"
echo "1. Open $TEST_FILE in vim/neovim"
echo "2. Verify that 'nabc-lines' keyword is highlighted properly"
echo "3. Verify that numeric values are highlighted as numbers"
echo "4. Note: Full semantic alternation not supported (see limitations)"
echo ""
echo "Expected behavior:"
echo "- 'nabc-lines' should be highlighted as keyword"
echo "- Numbers should be highlighted as numeric values"
echo "- Header parsing should work correctly"

echo ""
echo "LIMITATION NOTICE:"
echo "=================="
echo "Neither VimScript nor Tree-sitter can implement full semantic"
echo "alternation based on header values. The parsers can:"
echo ""
echo "✓ Recognize and highlight nabc-lines headers"
echo "✓ Parse the numeric values correctly"  
echo "✓ Provide structural information"
echo ""
echo "✗ Cannot dynamically change alternation patterns"
echo "✗ Cannot enforce GABC/NABC sequence based on header"
echo "✗ Cannot count pipe delimiters with header context"
echo ""
echo "This is a fundamental limitation of syntax-based parsers."
echo "Semantic analysis would require a full language server."

echo ""
echo "Test setup complete. Manual verification required."