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https://github.com/python/cpython
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gh-98461: Fix location of RETURN_VALUE in async generator bytecode. compiler_jump_if no longer needs a pointer to the loc. (GH-98494)
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8aa1e994a5
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a1a8828e42
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@ -1283,7 +1283,7 @@ def test_multiline_async_generator_expression(self):
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self.assertOpcodeSourcePositionIs(compiled_code, 'YIELD_VALUE',
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line=1, end_line=2, column=1, end_column=8, occurrence=2)
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self.assertOpcodeSourcePositionIs(compiled_code, 'RETURN_VALUE',
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line=6, end_line=6, column=23, end_column=30, occurrence=1)
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line=1, end_line=6, column=0, end_column=32, occurrence=1)
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def test_multiline_list_comprehension(self):
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snippet = """\
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@ -2873,13 +2873,14 @@ static int compiler_addcompare(struct compiler *c, location loc,
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static int
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compiler_jump_if(struct compiler *c, location *ploc,
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compiler_jump_if(struct compiler *c, location loc,
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expr_ty e, jump_target_label next, int cond)
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{
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switch (e->kind) {
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case UnaryOp_kind:
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if (e->v.UnaryOp.op == Not)
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return compiler_jump_if(c, ploc, e->v.UnaryOp.operand, next, !cond);
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if (e->v.UnaryOp.op == Not) {
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return compiler_jump_if(c, loc, e->v.UnaryOp.operand, next, !cond);
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}
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/* fallback to general implementation */
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break;
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case BoolOp_kind: {
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@ -2893,11 +2894,13 @@ compiler_jump_if(struct compiler *c, location *ploc,
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next2 = new_next2;
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}
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for (i = 0; i < n; ++i) {
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if (!compiler_jump_if(c, ploc, (expr_ty)asdl_seq_GET(s, i), next2, cond2))
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if (!compiler_jump_if(c, loc, (expr_ty)asdl_seq_GET(s, i), next2, cond2)) {
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return 0;
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}
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}
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if (!compiler_jump_if(c, ploc, (expr_ty)asdl_seq_GET(s, n), next, cond))
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if (!compiler_jump_if(c, loc, (expr_ty)asdl_seq_GET(s, n), next, cond)) {
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return 0;
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}
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if (!SAME_LABEL(next2, next)) {
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USE_LABEL(c, next2);
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}
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@ -2906,45 +2909,46 @@ compiler_jump_if(struct compiler *c, location *ploc,
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case IfExp_kind: {
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NEW_JUMP_TARGET_LABEL(c, end);
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NEW_JUMP_TARGET_LABEL(c, next2);
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if (!compiler_jump_if(c, ploc, e->v.IfExp.test, next2, 0))
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if (!compiler_jump_if(c, loc, e->v.IfExp.test, next2, 0)) {
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return 0;
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if (!compiler_jump_if(c, ploc, e->v.IfExp.body, next, cond))
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}
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if (!compiler_jump_if(c, loc, e->v.IfExp.body, next, cond)) {
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return 0;
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}
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ADDOP_JUMP(c, NO_LOCATION, JUMP, end);
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USE_LABEL(c, next2);
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if (!compiler_jump_if(c, ploc, e->v.IfExp.orelse, next, cond))
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if (!compiler_jump_if(c, loc, e->v.IfExp.orelse, next, cond)) {
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return 0;
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}
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USE_LABEL(c, end);
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return 1;
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}
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case Compare_kind: {
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SET_LOC(c, e);
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*ploc = LOC(e);
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Py_ssize_t i, n = asdl_seq_LEN(e->v.Compare.ops) - 1;
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Py_ssize_t n = asdl_seq_LEN(e->v.Compare.ops) - 1;
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if (n > 0) {
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if (!check_compare(c, e)) {
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return 0;
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}
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NEW_JUMP_TARGET_LABEL(c, cleanup);
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VISIT(c, expr, e->v.Compare.left);
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for (i = 0; i < n; i++) {
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for (Py_ssize_t i = 0; i < n; i++) {
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VISIT(c, expr,
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(expr_ty)asdl_seq_GET(e->v.Compare.comparators, i));
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ADDOP_I(c, *ploc, SWAP, 2);
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ADDOP_I(c, *ploc, COPY, 2);
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ADDOP_COMPARE(c, *ploc, asdl_seq_GET(e->v.Compare.ops, i));
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ADDOP_JUMP(c, *ploc, POP_JUMP_IF_FALSE, cleanup);
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ADDOP_I(c, LOC(e), SWAP, 2);
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ADDOP_I(c, LOC(e), COPY, 2);
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ADDOP_COMPARE(c, LOC(e), asdl_seq_GET(e->v.Compare.ops, i));
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ADDOP_JUMP(c, LOC(e), POP_JUMP_IF_FALSE, cleanup);
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}
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VISIT(c, expr, (expr_ty)asdl_seq_GET(e->v.Compare.comparators, n));
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ADDOP_COMPARE(c, *ploc, asdl_seq_GET(e->v.Compare.ops, n));
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ADDOP_JUMP(c, *ploc, cond ? POP_JUMP_IF_TRUE : POP_JUMP_IF_FALSE, next);
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ADDOP_COMPARE(c, LOC(e), asdl_seq_GET(e->v.Compare.ops, n));
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ADDOP_JUMP(c, LOC(e), cond ? POP_JUMP_IF_TRUE : POP_JUMP_IF_FALSE, next);
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NEW_JUMP_TARGET_LABEL(c, end);
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ADDOP_JUMP(c, NO_LOCATION, JUMP, end);
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USE_LABEL(c, cleanup);
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ADDOP(c, *ploc, POP_TOP);
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ADDOP(c, LOC(e), POP_TOP);
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if (!cond) {
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ADDOP_JUMP(c, NO_LOCATION, JUMP, next);
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}
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@ -2973,8 +2977,7 @@ compiler_ifexp(struct compiler *c, expr_ty e)
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NEW_JUMP_TARGET_LABEL(c, end);
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NEW_JUMP_TARGET_LABEL(c, next);
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location loc = LOC(e);
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if (!compiler_jump_if(c, &loc, e->v.IfExp.test, next, 0)) {
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if (!compiler_jump_if(c, LOC(e), e->v.IfExp.test, next, 0)) {
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return 0;
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}
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VISIT(c, expr, e->v.IfExp.body);
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@ -3059,8 +3062,7 @@ compiler_if(struct compiler *c, stmt_ty s)
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else {
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next = end;
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}
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location loc = LOC(s);
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if (!compiler_jump_if(c, &loc, s->v.If.test, next, 0)) {
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if (!compiler_jump_if(c, LOC(s), s->v.If.test, next, 0)) {
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return 0;
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}
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VISIT_SEQ(c, stmt, s->v.If.body);
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@ -3167,25 +3169,22 @@ compiler_async_for(struct compiler *c, stmt_ty s)
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static int
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compiler_while(struct compiler *c, stmt_ty s)
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{
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location loc = LOC(s);
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NEW_JUMP_TARGET_LABEL(c, loop);
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NEW_JUMP_TARGET_LABEL(c, body);
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NEW_JUMP_TARGET_LABEL(c, end);
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NEW_JUMP_TARGET_LABEL(c, anchor);
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USE_LABEL(c, loop);
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if (!compiler_push_fblock(c, loc, WHILE_LOOP, loop, end, NULL)) {
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if (!compiler_push_fblock(c, LOC(s), WHILE_LOOP, loop, end, NULL)) {
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return 0;
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}
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if (!compiler_jump_if(c, &loc, s->v.While.test, anchor, 0)) {
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if (!compiler_jump_if(c, LOC(s), s->v.While.test, anchor, 0)) {
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return 0;
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}
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USE_LABEL(c, body);
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VISIT_SEQ(c, stmt, s->v.While.body);
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SET_LOC(c, s);
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loc = LOC(s);
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if (!compiler_jump_if(c, &loc, s->v.While.test, body, 1)) {
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if (!compiler_jump_if(c, LOC(s), s->v.While.test, body, 1)) {
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return 0;
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}
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@ -3986,8 +3985,7 @@ compiler_assert(struct compiler *c, stmt_ty s)
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return 1;
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}
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NEW_JUMP_TARGET_LABEL(c, end);
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location loc = LOC(s);
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if (!compiler_jump_if(c, &loc, s->v.Assert.test, end, 1)) {
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if (!compiler_jump_if(c, LOC(s), s->v.Assert.test, end, 1)) {
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return 0;
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}
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ADDOP(c, LOC(s), LOAD_ASSERTION_ERROR);
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@ -4017,18 +4015,13 @@ compiler_stmt_expr(struct compiler *c, location loc, expr_ty value)
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}
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VISIT(c, expr, value);
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/* Mark POP_TOP as artificial */
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UNSET_LOC(c);
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ADDOP(c, NO_LOCATION, POP_TOP);
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ADDOP(c, NO_LOCATION, POP_TOP); /* artificial */
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return 1;
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}
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static int
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compiler_visit_stmt(struct compiler *c, stmt_ty s)
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{
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Py_ssize_t i, n;
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/* Always assign a lineno to the next instruction for a stmt. */
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SET_LOC(c, s);
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switch (s->kind) {
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case FunctionDef_kind:
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@ -4042,12 +4035,11 @@ compiler_visit_stmt(struct compiler *c, stmt_ty s)
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break;
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case Assign_kind:
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{
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n = asdl_seq_LEN(s->v.Assign.targets);
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Py_ssize_t n = asdl_seq_LEN(s->v.Assign.targets);
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VISIT(c, expr, s->v.Assign.value);
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location loc = LOC(s);
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for (i = 0; i < n; i++) {
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for (Py_ssize_t i = 0; i < n; i++) {
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if (i < n - 1) {
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ADDOP_I(c, loc, COPY, 1);
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ADDOP_I(c, LOC(s), COPY, 1);
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}
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VISIT(c, expr,
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(expr_ty)asdl_seq_GET(s->v.Assign.targets, i));
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@ -4068,7 +4060,7 @@ compiler_visit_stmt(struct compiler *c, stmt_ty s)
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return compiler_match(c, s);
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case Raise_kind:
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{
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n = 0;
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Py_ssize_t n = 0;
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if (s->v.Raise.exc) {
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VISIT(c, expr, s->v.Raise.exc);
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n++;
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@ -4077,8 +4069,7 @@ compiler_visit_stmt(struct compiler *c, stmt_ty s)
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n++;
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}
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}
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location loc = LOC(s);
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ADDOP_I(c, loc, RAISE_VARARGS, (int)n);
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ADDOP_I(c, LOC(s), RAISE_VARARGS, (int)n);
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break;
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}
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case Try_kind:
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@ -4096,24 +4087,20 @@ compiler_visit_stmt(struct compiler *c, stmt_ty s)
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break;
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case Expr_kind:
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{
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location loc = LOC(s);
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return compiler_stmt_expr(c, loc, s->v.Expr.value);
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return compiler_stmt_expr(c, LOC(s), s->v.Expr.value);
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}
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case Pass_kind:
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{
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location loc = LOC(s);
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ADDOP(c, loc, NOP);
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ADDOP(c, LOC(s), NOP);
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break;
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}
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case Break_kind:
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{
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location loc = LOC(s);
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return compiler_break(c, loc);
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return compiler_break(c, LOC(s));
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}
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case Continue_kind:
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{
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location loc = LOC(s);
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return compiler_continue(c, loc);
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return compiler_continue(c, LOC(s));
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}
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case With_kind:
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return compiler_with(c, s, 0);
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@ -5275,7 +5262,7 @@ compiler_sync_comprehension_generator(struct compiler *c, location loc,
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Py_ssize_t n = asdl_seq_LEN(gen->ifs);
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for (Py_ssize_t i = 0; i < n; i++) {
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expr_ty e = (expr_ty)asdl_seq_GET(gen->ifs, i);
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if (!compiler_jump_if(c, &loc, e, if_cleanup, 0)) {
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if (!compiler_jump_if(c, loc, e, if_cleanup, 0)) {
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return 0;
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}
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}
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@ -5374,7 +5361,7 @@ compiler_async_comprehension_generator(struct compiler *c, location loc,
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Py_ssize_t n = asdl_seq_LEN(gen->ifs);
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for (Py_ssize_t i = 0; i < n; i++) {
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expr_ty e = (expr_ty)asdl_seq_GET(gen->ifs, i);
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if (!compiler_jump_if(c, &loc, e, if_cleanup, 0)) {
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if (!compiler_jump_if(c, loc, e, if_cleanup, 0)) {
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return 0;
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}
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}
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@ -7109,7 +7096,7 @@ compiler_match_inner(struct compiler *c, stmt_ty s, pattern_context *pc)
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// NOTE: Returning macros are safe again.
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if (m->guard) {
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RETURN_IF_FALSE(ensure_fail_pop(c, pc, 0));
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RETURN_IF_FALSE(compiler_jump_if(c, &loc, m->guard, pc->fail_pop[0], 0));
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RETURN_IF_FALSE(compiler_jump_if(c, loc, m->guard, pc->fail_pop[0], 0));
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}
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// Success! Pop the subject off, we're done with it:
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if (i != cases - has_default - 1) {
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ADDOP(c, loc, NOP);
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}
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if (m->guard) {
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RETURN_IF_FALSE(compiler_jump_if(c, &loc, m->guard, end, 0));
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RETURN_IF_FALSE(compiler_jump_if(c, loc, m->guard, end, 0));
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}
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VISIT_SEQ(c, stmt, m->body);
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}
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