10 examples of 'python if statement' in Python

466
def p_if_stmt(p):
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    'if_stmt : IF test COLON suite'
468
    p[0] = ast.If([(p[2], p[4])], None)

340
def if_statement(self, cond, true, false=[]):
341
    return IfStmt(cond=cond, true=true, false=false)

94
def stmt(IF, EXPR, THEN, stmt): pass

984
def p_if_stmt_4(p):
985
    '''if_stmt : IF test COLON suite if_stmt_star ELSE COLON suite'''
986
    #             1    2     3     4            5    6     7     8
987
    last = p[5]
988
    while len(last.orelse) > 0:
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        last = last.orelse[0]
990
    last.orelse.extend(p[8])
991
    p[0] = ast.If(p[2], p[4], [p[5]], rule=inspect.currentframe().f_code.co_name, **p[1][1])

627
def p_if_then_statement(self, p):
628
    '''if_then_statement : IF '(' expression ')' statement'''
629
    p[0] = IfThenElse(p[3], p[5])

332
def visitIf(self, n):
333
    if not n.else_:
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        return
335
    visits = []
336
    for test, code in n.tests:
337
        visits.append(walk(code, Visitor(self.defines, self.uses)))
338
    visits.append(walk(n.else_, Visitor(self.defines, self.uses)))
339
    # compute the intersection of defines
340
    self.defines = intersect([v.defines for v in visits])
341
    # compute the union of uses, perserving first occurances
342
    union = {}
343
    visits.reverse()
344
    for v in visits:
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        union.update(v.uses)
346
    union.update(self.uses)
347
    self.uses = union

635
def p_if_then_else_statement_no_short_if(self, p):
636
    '''if_then_else_statement_no_short_if : IF '(' expression ')' statement_no_short_if ELSE statement_no_short_if'''
637
    p[0] = IfThenElse(p[3], p[5], p[7])

75
def enterIf_stmt(self, ctx:TinyPyParser.If_stmtContext):
76
    pass

79
def visit_If(self, n: ca.If) -> str:
80
    n2 = n
81
    if (
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        n.iffalse
83
        and isinstance(n.iffalse, ca.Compound)
84
        and n.iffalse.block_items
85
        and len(n.iffalse.block_items) == 1
86
        and isinstance(n.iffalse.block_items[0], ca.If)
87
    ):
88
        n2 = ca.If(cond=n.cond, iftrue=n.iftrue, iffalse=n.iffalse.block_items[0])
89
    return super().visit_If(n2)  # type: ignore

202
def test_if_stmt_action(tmp_path: PurePath) -> None:
203
    grammar = """
204
    start[mod_ty]: a=[statements] ENDMARKER { Module(a, NULL, p->arena) }
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    statements[asdl_seq*]: a=statement+ { seq_flatten(p, a) }
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    statement[asdl_seq*]:  a=compound_stmt { singleton_seq(p, a) } | simple_stmt
207
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    simple_stmt[asdl_seq*]: a=small_stmt b=further_small_stmt* [';'] NEWLINE { seq_insert_in_front(p, a, b) }
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    further_small_stmt[stmt_ty]: ';' a=small_stmt { a }
210
211
    block: simple_stmt | NEWLINE INDENT a=statements DEDENT { a }
212
213
    compound_stmt: if_stmt
214
215
    if_stmt: 'if' a=full_expression ':' b=block { _Py_If(a, b, NULL, EXTRA) }
216
217
    small_stmt[stmt_ty]: pass_stmt
218
219
    pass_stmt[stmt_ty]: a='pass' { _Py_Pass(EXTRA) }
220
221
    full_expression: NAME
222
    """
223
    stmt = "pass"
224
    verify_ast_generation(grammar, stmt, tmp_path)