Update TP02
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TP02/ariteval/tests/hello02.txt
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TP02/ariteval/tests/hello02.txt
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(2*4+3)+(4+3*2)
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TP02/demo_files/exo6/Exercice6.g4
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TP02/demo_files/exo6/Exercice6.g4
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//define a lexical analyser called Exercice6
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grammar Exercice6;
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full_expr: expr ';' EOF ;
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expr:
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| LBRA expr RBRA expr
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| LPAR expr RPAR expr
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;
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LPAR: '(' ;
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RPAR: ')' ;
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LBRA: '[' ;
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RBRA: ']' ;
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CHARS: ~[()[\]] -> skip;
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WS: [ \t\r\n]+ -> skip ; // skip spaces, tabs, newlines
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TP02/demo_files/exo6/Makefile
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TP02/demo_files/exo6/Makefile
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MAINFILE = main
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PACKAGE = Exercice6
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ifndef ANTLR4
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$(error variable ANTLR4 is not set)
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endif
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default: $(PACKAGE).py
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$(PACKAGE).py: $(PACKAGE).g4
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$(ANTLR4) $^ -Dlanguage=Python3
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run: $(MAINFILE).py $(PACKAGE)*.py
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python3 $<
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clean:
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rm -rf *~ $(PACKAGE)*.py $(PACKAGE)*.pyc *.interp *.tokens __pycache*
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TP02/demo_files/exo6/main.py
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TP02/demo_files/exo6/main.py
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from antlr4 import InputStream
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from antlr4 import CommonTokenStream
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# include to use the generated lexer and parser
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from Exercice6Lexer import Exercice6Lexer
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from Exercice6Parser import Exercice6Parser
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import sys
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def main():
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input_stream = InputStream(sys.stdin.read())
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lexer = Exercice6Lexer(input_stream)
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stream = CommonTokenStream(lexer)
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parser = Exercice6Parser(stream)
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parser.full_expr() # We want to recognize full_expr in grammar Exercice6
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print("Finished")
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# warns pb if py file is included in others
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if __name__ == '__main__':
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main()
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TP02/requirements.txt
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TP02/requirements.txt
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antlr-python3-runtime==4.13.1
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pyright
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pytest
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pytest-cov
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pytest-xdist
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graphviz
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