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gh-98461: Fix source location in comprehensions bytecode (GH-98464)
This commit is contained in:
Irit Katriel
GitHub
parent
c60b3b3cca
commit
4ec9ed8fde
3 changed files with 234 additions and 60 deletions
134
Python/compile.c
134
Python/compile.c
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@ -482,13 +482,13 @@ static int compiler_try_star_except(struct compiler *, stmt_ty);
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static int compiler_set_qualname(struct compiler *);
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static int compiler_sync_comprehension_generator(
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struct compiler *c, location *ploc,
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struct compiler *c, location loc,
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asdl_comprehension_seq *generators, int gen_index,
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int depth,
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expr_ty elt, expr_ty val, int type);
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static int compiler_async_comprehension_generator(
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struct compiler *c, location *ploc,
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struct compiler *c, location loc,
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asdl_comprehension_seq *generators, int gen_index,
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int depth,
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expr_ty elt, expr_ty val, int type);
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@ -5190,7 +5190,7 @@ ex_call:
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static int
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compiler_comprehension_generator(struct compiler *c, location *ploc,
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compiler_comprehension_generator(struct compiler *c, location loc,
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asdl_comprehension_seq *generators, int gen_index,
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int depth,
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expr_ty elt, expr_ty val, int type)
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@ -5199,35 +5199,33 @@ compiler_comprehension_generator(struct compiler *c, location *ploc,
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gen = (comprehension_ty)asdl_seq_GET(generators, gen_index);
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if (gen->is_async) {
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return compiler_async_comprehension_generator(
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c, ploc, generators, gen_index, depth, elt, val, type);
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c, loc, generators, gen_index, depth, elt, val, type);
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} else {
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return compiler_sync_comprehension_generator(
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c, ploc, generators, gen_index, depth, elt, val, type);
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c, loc, generators, gen_index, depth, elt, val, type);
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}
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}
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static int
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compiler_sync_comprehension_generator(struct compiler *c, location *ploc,
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asdl_comprehension_seq *generators, int gen_index,
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int depth,
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compiler_sync_comprehension_generator(struct compiler *c, location loc,
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asdl_comprehension_seq *generators,
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int gen_index, int depth,
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expr_ty elt, expr_ty val, int type)
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{
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/* generate code for the iterator, then each of the ifs,
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and then write to the element */
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comprehension_ty gen;
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Py_ssize_t i, n;
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NEW_JUMP_TARGET_LABEL(c, start);
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NEW_JUMP_TARGET_LABEL(c, if_cleanup);
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NEW_JUMP_TARGET_LABEL(c, anchor);
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gen = (comprehension_ty)asdl_seq_GET(generators, gen_index);
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comprehension_ty gen = (comprehension_ty)asdl_seq_GET(generators,
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gen_index);
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if (gen_index == 0) {
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/* Receive outermost iter as an implicit argument */
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c->u->u_argcount = 1;
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ADDOP_I(c, *ploc, LOAD_FAST, 0);
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ADDOP_I(c, loc, LOAD_FAST, 0);
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}
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else {
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/* Sub-iter - calculate on the fly */
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@ -5254,29 +5252,34 @@ compiler_sync_comprehension_generator(struct compiler *c, location *ploc,
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}
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if (IS_LABEL(start)) {
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VISIT(c, expr, gen->iter);
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ADDOP(c, *ploc, GET_ITER);
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ADDOP(c, loc, GET_ITER);
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}
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}
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if (IS_LABEL(start)) {
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depth++;
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USE_LABEL(c, start);
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ADDOP_JUMP(c, *ploc, FOR_ITER, anchor);
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ADDOP_JUMP(c, loc, FOR_ITER, anchor);
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}
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VISIT(c, expr, gen->target);
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/* XXX this needs to be cleaned up...a lot! */
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n = asdl_seq_LEN(gen->ifs);
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for (i = 0; i < n; i++) {
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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, ploc, 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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if (++gen_index < asdl_seq_LEN(generators))
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if (!compiler_comprehension_generator(c, ploc,
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if (++gen_index < asdl_seq_LEN(generators)) {
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if (!compiler_comprehension_generator(c, loc,
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generators, gen_index, depth,
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elt, val, type))
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return 0;
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elt, val, type)) {
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return 0;
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}
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}
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location elt_loc = LOC(elt);
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/* only append after the last for generator */
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if (gen_index >= asdl_seq_LEN(generators)) {
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@ -5284,23 +5287,27 @@ compiler_sync_comprehension_generator(struct compiler *c, location *ploc,
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switch (type) {
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case COMP_GENEXP:
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VISIT(c, expr, elt);
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ADDOP_YIELD(c, *ploc);
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ADDOP(c, *ploc, POP_TOP);
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ADDOP_YIELD(c, elt_loc);
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ADDOP(c, elt_loc, POP_TOP);
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break;
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case COMP_LISTCOMP:
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VISIT(c, expr, elt);
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ADDOP_I(c, *ploc, LIST_APPEND, depth + 1);
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ADDOP_I(c, elt_loc, LIST_APPEND, depth + 1);
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break;
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case COMP_SETCOMP:
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VISIT(c, expr, elt);
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ADDOP_I(c, *ploc, SET_ADD, depth + 1);
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ADDOP_I(c, elt_loc, SET_ADD, depth + 1);
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break;
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case COMP_DICTCOMP:
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/* With '{k: v}', k is evaluated before v, so we do
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the same. */
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VISIT(c, expr, elt);
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VISIT(c, expr, val);
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ADDOP_I(c, *ploc, MAP_ADD, depth + 1);
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elt_loc = LOCATION(elt->lineno,
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val->end_lineno,
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elt->col_offset,
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val->end_col_offset);
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ADDOP_I(c, elt_loc, MAP_ADD, depth + 1);
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break;
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default:
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return 0;
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@ -5309,7 +5316,7 @@ compiler_sync_comprehension_generator(struct compiler *c, location *ploc,
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USE_LABEL(c, if_cleanup);
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if (IS_LABEL(start)) {
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ADDOP_JUMP(c, *ploc, JUMP, start);
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ADDOP_JUMP(c, elt_loc, JUMP, start);
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USE_LABEL(c, anchor);
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}
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@ -5318,81 +5325,88 @@ compiler_sync_comprehension_generator(struct compiler *c, location *ploc,
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}
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static int
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compiler_async_comprehension_generator(struct compiler *c, location *ploc,
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asdl_comprehension_seq *generators, int gen_index,
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int depth,
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compiler_async_comprehension_generator(struct compiler *c, location loc,
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asdl_comprehension_seq *generators,
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int gen_index, int depth,
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expr_ty elt, expr_ty val, int type)
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{
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comprehension_ty gen;
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Py_ssize_t i, n;
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NEW_JUMP_TARGET_LABEL(c, start);
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NEW_JUMP_TARGET_LABEL(c, except);
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NEW_JUMP_TARGET_LABEL(c, if_cleanup);
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gen = (comprehension_ty)asdl_seq_GET(generators, gen_index);
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comprehension_ty gen = (comprehension_ty)asdl_seq_GET(generators,
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gen_index);
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if (gen_index == 0) {
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/* Receive outermost iter as an implicit argument */
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c->u->u_argcount = 1;
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ADDOP_I(c, *ploc, LOAD_FAST, 0);
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ADDOP_I(c, loc, LOAD_FAST, 0);
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}
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else {
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/* Sub-iter - calculate on the fly */
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VISIT(c, expr, gen->iter);
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ADDOP(c, *ploc, GET_AITER);
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ADDOP(c, loc, GET_AITER);
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}
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USE_LABEL(c, start);
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/* Runtime will push a block here, so we need to account for that */
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if (!compiler_push_fblock(c, *ploc, ASYNC_COMPREHENSION_GENERATOR,
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if (!compiler_push_fblock(c, loc, ASYNC_COMPREHENSION_GENERATOR,
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start, NO_LABEL, NULL)) {
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return 0;
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}
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ADDOP_JUMP(c, *ploc, SETUP_FINALLY, except);
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ADDOP(c, *ploc, GET_ANEXT);
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ADDOP_LOAD_CONST(c, *ploc, Py_None);
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ADD_YIELD_FROM(c, *ploc, 1);
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ADDOP(c, *ploc, POP_BLOCK);
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ADDOP_JUMP(c, loc, SETUP_FINALLY, except);
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ADDOP(c, loc, GET_ANEXT);
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ADDOP_LOAD_CONST(c, loc, Py_None);
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ADD_YIELD_FROM(c, loc, 1);
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ADDOP(c, loc, POP_BLOCK);
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VISIT(c, expr, gen->target);
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n = asdl_seq_LEN(gen->ifs);
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for (i = 0; i < n; i++) {
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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, ploc, 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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depth++;
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if (++gen_index < asdl_seq_LEN(generators))
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if (!compiler_comprehension_generator(c, ploc,
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if (++gen_index < asdl_seq_LEN(generators)) {
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if (!compiler_comprehension_generator(c, loc,
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generators, gen_index, depth,
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elt, val, type))
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return 0;
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elt, val, type)) {
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return 0;
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}
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}
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location elt_loc = LOC(elt);
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/* only append after the last for generator */
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if (gen_index >= asdl_seq_LEN(generators)) {
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/* comprehension specific code */
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switch (type) {
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case COMP_GENEXP:
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VISIT(c, expr, elt);
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ADDOP_YIELD(c, *ploc);
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ADDOP(c, *ploc, POP_TOP);
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ADDOP_YIELD(c, elt_loc);
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ADDOP(c, elt_loc, POP_TOP);
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break;
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case COMP_LISTCOMP:
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VISIT(c, expr, elt);
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ADDOP_I(c, *ploc, LIST_APPEND, depth + 1);
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ADDOP_I(c, elt_loc, LIST_APPEND, depth + 1);
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break;
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case COMP_SETCOMP:
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VISIT(c, expr, elt);
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ADDOP_I(c, *ploc, SET_ADD, depth + 1);
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ADDOP_I(c, elt_loc, SET_ADD, depth + 1);
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break;
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case COMP_DICTCOMP:
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/* With '{k: v}', k is evaluated before v, so we do
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the same. */
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VISIT(c, expr, elt);
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VISIT(c, expr, val);
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ADDOP_I(c, *ploc, MAP_ADD, depth + 1);
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elt_loc = LOCATION(elt->lineno,
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val->end_lineno,
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elt->col_offset,
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val->end_col_offset);
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ADDOP_I(c, elt_loc, MAP_ADD, depth + 1);
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break;
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default:
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return 0;
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@ -5400,14 +5414,13 @@ compiler_async_comprehension_generator(struct compiler *c, location *ploc,
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}
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USE_LABEL(c, if_cleanup);
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ADDOP_JUMP(c, *ploc, JUMP, start);
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ADDOP_JUMP(c, elt_loc, JUMP, start);
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compiler_pop_fblock(c, ASYNC_COMPREHENSION_GENERATOR, start);
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USE_LABEL(c, except);
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//UNSET_LOC(c);
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ADDOP(c, *ploc, END_ASYNC_FOR);
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ADDOP(c, loc, END_ASYNC_FOR);
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return 1;
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}
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@ -5466,12 +5479,13 @@ compiler_comprehension(struct compiler *c, expr_ty e, int type,
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ADDOP_I(c, loc, op, 0);
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}
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if (!compiler_comprehension_generator(c, &loc, generators, 0, 0,
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elt, val, type))
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if (!compiler_comprehension_generator(c, loc, generators, 0, 0,
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elt, val, type)) {
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goto error_in_scope;
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}
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if (type != COMP_GENEXP) {
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ADDOP(c, loc, RETURN_VALUE);
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ADDOP(c, LOC(e), RETURN_VALUE);
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}
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co = assemble(c, 1);
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