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More Python 3.0 custom "if" statment handling.

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rocky
2019-11-10 18:44:43 -05:00
parent 04c2240d63
commit 07ec8fa1fb
4 changed files with 36 additions and 2 deletions
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21
uncompyle6/parsers/parse30.py
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@@ -91,6 +91,9 @@ class Python30Parser(Python31Parser):
except_suite ::= c_stmts POP_EXCEPT jump_except POP_TOP
except_suite_finalize ::= SETUP_FINALLY c_stmts_opt except_var_finalize END_FINALLY
_jump COME_FROM POP_TOP
_ifstmts_jump ::= c_stmts_opt JUMP_FORWARD COME_FROM POP_TOP
jump_except ::= JUMP_FORWARD COME_FROM POP_TOP
jump_except ::= JUMP_ABSOLUTE COME_FROM POP_TOP
or ::= expr jmp_false expr jmp_true expr
@@ -101,8 +104,22 @@ class Python30Parser(Python31Parser):
# JUMP_IF_FALSE
# The below rules in fact are the same or similar.
jmp_true ::= JUMP_IF_TRUE POP_TOP
jmp_false ::= JUMP_IF_FALSE _come_froms POP_TOP
jmp_true ::= JUMP_IF_TRUE POP_TOP
jmp_false ::= JUMP_IF_FALSE _come_froms POP_TOP
jmp_false_then ::= JUMP_IF_FALSE POP_TOP
# We don't have hacky THEN detection, so we do it
# in the grammar below which is also somewhat hacky.
stmt ::= ifstmt30
ifstmt30 ::= testexpr_then _ifstmts_jump30
testexpr_then ::= testfalse_then
testfalse_then ::= expr jmp_false_then
call_stmt ::= expr COME_FROM
_ifstmts_jump30 ::= c_stmts POP_TOP
################################################################################
for_block ::= l_stmts_opt _come_froms POP_TOP JUMP_BACK