Recursiv Descent

Requirements:

• Python 3+ or Python 2.7
• Windows or Linux (macOS untested)

test data

• i*(i+i)
• i-i+i*i
• i/i-(i)

show result

• LL(1) analysis result.wmv
• LL(1) analysis result1.png
• LL(1) analysis result2.png
• LL(1) analysis result3.png

Result reproduction Step

1. Open the Command line in the current folder.
2. Type the following command python LL1.py.
3. Type the expressions you want to analysis