def p_ExprSwitchCase(p):
'''ExprSwitchCase : CASE ExpressionList
| DEFAULT
| CASE Expression
'''
p[0] = TreeNode('ExprSwitchCase', 0, 'INT')
if len(p) == 3:
p[0].data = p[2].data
p[0].TAC = p[2].TAC
parsed.append(p.slice)
def p_ExprCaseClause(p):
'''ExprCaseClause : ExprSwitchCase COLON StatementList
'''
l1 = labelGen()
p[0] = TreeNode('ExprCaseClause', 0, 'INT')
# p[0].TAC.append_TAC(p[1].TAC)
p[0].TAC.add_line([l1])
# p[0].TAC.add_line(['ifgotoneq', p[1].children, p[1].children, l1])
p[0].TAC.append_TAC(p[3].TAC)
p[0].children = [[p[1].data, l1]]
p[0].data = p[1].TAC
return
def p_ExprCaseClause(p):
'''ExprCaseClause : ExprSwitchCase COLON StatementList
'''
parsed.append(p.slice)
l1 = gen('label')
p[0] = TreeNode('ExprCaseClause', 0, 'INT')
# p[0].TAC.append_TAC(p[1].TAC)
p[0].TAC.add_line(['label', l1, '', ''])
# p[0].TAC.add_line(['ifgotoneq', p[1].children, p[1].children, l1])
p[0].TAC.append_TAC(p[3].TAC)
p[0].children = [[p[1].data, l1]]
p[0].data = p[1].TAC
return
def p_Arguments(p):
'''Arguments : LROUND RROUND
| LROUND ExpressionList RROUND
| LROUND Expression RROUND
| LROUND Type RROUND
| LROUND Type COMMA ExpressionList RROUND
| LROUND Type COMMA Expression RROUND
'''
# print p.slice
parsed.append(p.slice)
if len(p) == 3:
p[0] = TreeNode('Arguments', 0, 'None')
if len(p) == 4:
if p[2].name == 'Expression':
p[0] = TreeNode('Arguments', 1, 'None', 0, [p[2]], p[2].TAC)
if p[2].name == 'ExpressionList':
p[0] = p[2]
p[0].name = 'Arguments'
p[0].data = len(p[2].children)
return
