def p_assignExpr(p):
'''AssignExpr : ID EQUALS expression COMMA AssignExpr
| ID EQUALS expression SEMICOLON'''
p[1] = [p[1], ast.newLeaf(p[1])]
p[0] = [p[3][0], ast.newNode('=', p[3][1], p[1][1])]
threeAddressCode.generate_icg('=', p[3][0], '', p[1][0])
p[0][1].printAST()
def p_term_div(p):
'''term : term DIVIDE factor'''
p[0] = [None, 0]
flag = True
if type(p[1][0]) == int and type(p[3][0]) == int:
flag = False
p[0][0] = p[1][0] / p[3][0]
threeAddressCode.generate_icg('/', p[1][0], p[3][0], p[0][0])
if flag:
p[0][0] = threeAddressCode.getLatestTemp()
p[0][1] = ast.newNode('/', p[1][1], p[3][1])
def p_expression_minus(p):
'''expression : expression MINUS term'''
p[0] = [None, 0]
flag = True
if type(p[1][0]) == int and type(p[3][0]) == int:
flag = False
p[0][0] = p[1][0] - p[3][0]
threeAddressCode.generate_icg('-', p[1][0], p[3][0], p[0][0])
if flag:
p[0][0] = threeAddressCode.getLatestTemp()
p[0][1] = ast.newNode('-', p[1][1], p[3][1])
def p_condition_gthan(p):
'''condition : term LTHAN term'''
p[0] = [None, ast.newNode('<', p[1][1], p[3][1])]
threeAddressCode.generate_icg("<F", p[1][0], p[3][0], "goto S")
def p_condition_lthanequ(p):
'''condition : term LTHANEQU term'''
p[0] = [None, ast.newNode('<=', p[1][1], p[3][1])]
threeAddressCode.generate_icg("<=F", p[1][0], p[3][0], "goto S")
def p_condition_notequ(p):
'''condition : term NOTEQUALS term'''
p[0] = [None, ast.newNode('!=', p[1][1], p[3][1])]
threeAddressCode.generate_icg("!=F", p[1][0], p[3][0], "goto S")
def p_condition_equequ(p):
'''condition : term EQUALSEQUALS term'''
p[0] = [None, ast.newNode('==', p[1][1], p[3][1])]
threeAddressCode.generate_icg("==F", p[1][0], p[3][0], "goto S")