diff options
Diffstat (limited to 'gcc/analyzer/svalue.cc')
| -rw-r--r-- | gcc/analyzer/svalue.cc | 421 |
1 files changed, 421 insertions, 0 deletions
diff --git a/gcc/analyzer/svalue.cc b/gcc/analyzer/svalue.cc index e64f62d..f1fd21e 100644 --- a/gcc/analyzer/svalue.cc +++ b/gcc/analyzer/svalue.cc @@ -20,6 +20,7 @@ along with GCC; see the file COPYING3. If not see #include "config.h" #define INCLUDE_MEMORY +#define INCLUDE_VECTOR #include "system.h" #include "coretypes.h" #include "tree.h" @@ -49,6 +50,8 @@ along with GCC; see the file COPYING3. If not see #include "analyzer/region-model.h" #include "diagnostic.h" #include "tree-diagnostic.h" +#include "make-unique.h" +#include "text-art/dump.h" #if ENABLE_ANALYZER @@ -60,6 +63,24 @@ static int cmp_csts_and_types (const_tree cst1, const_tree cst2); /* class svalue. */ +/* Dump a tree-like representation of this svalue and its constituent symbols + to stderr, using global_dc's colorization and theming options. + + For example: + . (gdb) call index_sval->dump() + . (27): ‘int’: initial_svalue + . ╰─ m_reg: (26): ‘int’: decl_region(‘x_10(D)’) + . ╰─ parent: (9): frame_region(‘test_bitmask_2’, index: 0, depth: 1) + . ╰─ parent: (1): stack region + . ╰─ parent: (0): root region + */ + +DEBUG_FUNCTION void +svalue::dump () const +{ + text_art::dump (*this); +} + /* Dump a representation of this svalue to stderr. */ DEBUG_FUNCTION void @@ -203,6 +224,37 @@ svalue::maybe_print_for_user (pretty_printer *pp, return false; } +/* Use DWI to create a text_art::widget describing this svalue in + a tree-like form, using PREFIX as a prefix (e.g. for field names). + We do this via two vfuncs: + (a) print_dump_widget_label, to populate the text of a tree_widget, and + (b) add_dump_widget_children, to add children to the tree_widget. */ + +std::unique_ptr<text_art::widget> +svalue::make_dump_widget (const text_art::dump_widget_info &dwi, + const char *prefix) const +{ + pretty_printer pp; + pp_format_decoder (&pp) = default_tree_printer; + pp_show_color (&pp) = true; + + if (prefix) + pp_printf (&pp, "%s: ", prefix); + + pp_printf (&pp, "(%i): ", get_id ()); + if (get_type ()) + pp_printf (&pp, "%qT: ", get_type ()); + + print_dump_widget_label (&pp); + + std::unique_ptr<text_art::tree_widget> w + (text_art::tree_widget::make (dwi, &pp)); + + add_dump_widget_children (*w, dwi); + + return w; +} + /* If this svalue is a constant_svalue, return the underlying tree constant. Otherwise return NULL_TREE. */ @@ -842,6 +894,26 @@ region_svalue::dump_to_pp (pretty_printer *pp, bool simple) const } } +/* Implementation of svalue::print_dump_widget_label vfunc for + region_svalue. */ + +void +region_svalue::print_dump_widget_label (pretty_printer *pp) const +{ + pp_printf (pp, "region_svalue: %qs", "&"); +} + +/* Implementation of svalue::add_dump_widget_children vfunc for + region_svalue. */ + +void +region_svalue:: +add_dump_widget_children (text_art::tree_widget &w, + const text_art::dump_widget_info &dwi) const +{ + w.add_child (m_reg->make_dump_widget (dwi)); +} + /* Implementation of svalue::accept vfunc for region_svalue. */ void @@ -942,6 +1014,26 @@ constant_svalue::dump_to_pp (pretty_printer *pp, bool simple) const } } +/* Implementation of svalue::print_dump_widget_label vfunc for + constant_svalue. */ + +void +constant_svalue::print_dump_widget_label (pretty_printer *pp) const +{ + pp_printf (pp, "constant_svalue (%qE)", m_cst_expr); +} + +/* Implementation of svalue::add_dump_widget_children vfunc for + constant_svalue. */ + +void +constant_svalue:: +add_dump_widget_children (text_art::tree_widget &, + const text_art::dump_widget_info &) const +{ + /* No children. */ +} + /* Implementation of svalue::accept vfunc for constant_svalue. */ void @@ -1085,6 +1177,26 @@ unknown_svalue::dump_to_pp (pretty_printer *pp, bool simple) const } } +/* Implementation of svalue::print_dump_widget_label vfunc for + unknown_svalue. */ + +void +unknown_svalue::print_dump_widget_label (pretty_printer *pp) const +{ + pp_printf (pp, "unknown_svalue"); +} + +/* Implementation of svalue::add_dump_widget_children vfunc for + unknown_svalue. */ + +void +unknown_svalue:: +add_dump_widget_children (text_art::tree_widget &, + const text_art::dump_widget_info &) const +{ + /* No children. */ +} + /* Implementation of svalue::accept vfunc for unknown_svalue. */ void @@ -1146,6 +1258,26 @@ poisoned_svalue::dump_to_pp (pretty_printer *pp, bool simple) const } } +/* Implementation of svalue::print_dump_widget_label vfunc for + poisoned_svalue. */ + +void +poisoned_svalue::print_dump_widget_label (pretty_printer *pp) const +{ + pp_printf (pp, "poisoned_svalue(%s)", poison_kind_to_str (m_kind)); +} + +/* Implementation of svalue::add_dump_widget_children vfunc for + poisoned_svalue. */ + +void +poisoned_svalue:: +add_dump_widget_children (text_art::tree_widget &, + const text_art::dump_widget_info &) const +{ + /* No children. */ +} + /* Implementation of svalue::accept vfunc for poisoned_svalue. */ void @@ -1195,6 +1327,26 @@ initial_svalue::dump_to_pp (pretty_printer *pp, bool simple) const } } +/* Implementation of svalue::print_dump_widget_label vfunc for + initial_svalue. */ + +void +initial_svalue::print_dump_widget_label (pretty_printer *pp) const +{ + pp_printf (pp, "initial_svalue"); +} + +/* Implementation of svalue::add_dump_widget_children vfunc for + initial_svalue. */ + +void +initial_svalue:: +add_dump_widget_children (text_art::tree_widget &w, + const text_art::dump_widget_info &dwi) const +{ + w.add_child (m_reg->make_dump_widget (dwi, "m_reg")); +} + /* Implementation of svalue::accept vfunc for initial_svalue. */ void @@ -1287,6 +1439,28 @@ unaryop_svalue::dump_to_pp (pretty_printer *pp, bool simple) const } } +/* Implementation of svalue::print_dump_widget_label vfunc for + unaryop_svalue. */ + +void +unaryop_svalue::print_dump_widget_label (pretty_printer *pp) const +{ + pp_printf (pp, + "unaryop_svalue(%s)", + get_tree_code_name (m_op)); +} + +/* Implementation of svalue::add_dump_widget_children vfunc for + unaryop_svalue. */ + +void +unaryop_svalue:: +add_dump_widget_children (text_art::tree_widget &w, + const text_art::dump_widget_info &dwi) const +{ + w.add_child (m_arg->make_dump_widget (dwi)); +} + /* Implementation of svalue::accept vfunc for unaryop_svalue. */ void @@ -1389,6 +1563,30 @@ binop_svalue::dump_to_pp (pretty_printer *pp, bool simple) const } } +/* Implementation of svalue::print_dump_widget_label vfunc for + binop_svalue. */ + +void +binop_svalue::print_dump_widget_label (pretty_printer *pp) const +{ + pp_printf (pp, + "binop_svalue(%s: %qs)", + get_tree_code_name (m_op), + op_symbol_code (m_op)); +} + +/* Implementation of svalue::add_dump_widget_children vfunc for + binop_svalue. */ + +void +binop_svalue:: +add_dump_widget_children (text_art::tree_widget &w, + const text_art::dump_widget_info &dwi) const +{ + w.add_child (m_arg0->make_dump_widget (dwi)); + w.add_child (m_arg1->make_dump_widget (dwi)); +} + /* Implementation of svalue::accept vfunc for binop_svalue. */ void @@ -1449,6 +1647,27 @@ sub_svalue::dump_to_pp (pretty_printer *pp, bool simple) const } } +/* Implementation of svalue::print_dump_widget_label vfunc for + sub_svalue. */ + +void +sub_svalue::print_dump_widget_label (pretty_printer *pp) const +{ + pp_printf (pp, "sub_svalue"); +} + +/* Implementation of svalue::add_dump_widget_children vfunc for + sub_svalue. */ + +void +sub_svalue:: +add_dump_widget_children (text_art::tree_widget &w, + const text_art::dump_widget_info &dwi) const +{ + w.add_child (m_parent_svalue->make_dump_widget (dwi, "m_parent_svalue")); + w.add_child (m_subregion->make_dump_widget (dwi, "m_subregion")); +} + /* Implementation of svalue::accept vfunc for sub_svalue. */ void @@ -1519,6 +1738,27 @@ repeated_svalue::dump_to_pp (pretty_printer *pp, bool simple) const } } +/* Implementation of svalue::print_dump_widget_label vfunc for + repeated_svalue. */ + +void +repeated_svalue::print_dump_widget_label (pretty_printer *pp) const +{ + pp_printf (pp, "repeated_svalue"); +} + +/* Implementation of svalue::add_dump_widget_children vfunc for + repeated_svalue. */ + +void +repeated_svalue:: +add_dump_widget_children (text_art::tree_widget &w, + const text_art::dump_widget_info &dwi) const +{ + w.add_child (m_outer_size->make_dump_widget (dwi, "m_outer_size")); + w.add_child (m_inner_svalue->make_dump_widget (dwi, "m_inner_svalue")); +} + /* Implementation of svalue::accept vfunc for repeated_svalue. */ void @@ -1644,6 +1884,27 @@ bits_within_svalue::dump_to_pp (pretty_printer *pp, bool simple) const } } +/* Implementation of svalue::print_dump_widget_label vfunc for + bits_within_svalue. */ + +void +bits_within_svalue::print_dump_widget_label (pretty_printer *pp) const +{ + pp_printf (pp, "bits_within_svalue: "); + m_bits.dump_to_pp (pp); +} + +/* Implementation of svalue::add_dump_widget_children vfunc for + bits_within_svalue. */ + +void +bits_within_svalue:: +add_dump_widget_children (text_art::tree_widget &w, + const text_art::dump_widget_info &dwi) const +{ + w.add_child (m_inner_svalue->make_dump_widget (dwi, "m_inner_svalue")); +} + /* Implementation of svalue::maybe_fold_bits_within vfunc for bits_within_svalue. */ @@ -1712,6 +1973,28 @@ widening_svalue::dump_to_pp (pretty_printer *pp, bool simple) const } } +/* Implementation of svalue::print_dump_widget_label vfunc for + widening_svalue. */ + +void +widening_svalue::print_dump_widget_label (pretty_printer *pp) const +{ + pp_printf (pp, "widening_svalue at "); + m_point.print (pp, format (false)); +} + +/* Implementation of svalue::add_dump_widget_children vfunc for + widening_svalue. */ + +void +widening_svalue:: +add_dump_widget_children (text_art::tree_widget &w, + const text_art::dump_widget_info &dwi) const +{ + w.add_child (m_base_sval->make_dump_widget (dwi, "m_base_sval")); + w.add_child (m_iter_sval->make_dump_widget (dwi, "m_iter_sval")); +} + /* Implementation of svalue::accept vfunc for widening_svalue. */ void @@ -1850,6 +2133,26 @@ placeholder_svalue::dump_to_pp (pretty_printer *pp, bool simple) const pp_printf (pp, "placeholder_svalue (%qs)", m_name); } +/* Implementation of svalue::print_dump_widget_label vfunc for + placeholder_svalue. */ + +void +placeholder_svalue::print_dump_widget_label (pretty_printer *pp) const +{ + pp_printf (pp, "placeholder_svalue: %qs", m_name); +} + +/* Implementation of svalue::add_dump_widget_children vfunc for + placeholder_svalue. */ + +void +placeholder_svalue:: +add_dump_widget_children (text_art::tree_widget &, + const text_art::dump_widget_info &) const +{ + /* No children. */ +} + /* Implementation of svalue::accept vfunc for placeholder_svalue. */ void @@ -1879,6 +2182,26 @@ unmergeable_svalue::dump_to_pp (pretty_printer *pp, bool simple) const } } +/* Implementation of svalue::print_dump_widget_label vfunc for + unmergeable_svalue. */ + +void +unmergeable_svalue::print_dump_widget_label (pretty_printer *pp) const +{ + pp_printf (pp, "unmergeable_svalue"); +} + +/* Implementation of svalue::add_dump_widget_children vfunc for + unmergeable_svalue. */ + +void +unmergeable_svalue:: +add_dump_widget_children (text_art::tree_widget &w, + const text_art::dump_widget_info &dwi) const +{ + w.add_child (m_arg->make_dump_widget (dwi)); +} + /* Implementation of svalue::accept vfunc for unmergeable_svalue. */ void @@ -1950,6 +2273,26 @@ compound_svalue::dump_to_pp (pretty_printer *pp, bool simple) const } } +/* Implementation of svalue::print_dump_widget_label vfunc for + compound_svalue. */ + +void +compound_svalue::print_dump_widget_label (pretty_printer *pp) const +{ + pp_printf (pp, "compound_svalue"); +} + +/* Implementation of svalue::add_dump_widget_children vfunc for + compound_svalue. */ + +void +compound_svalue:: +add_dump_widget_children (text_art::tree_widget &w, + const text_art::dump_widget_info &dwi) const +{ + m_map.add_to_tree_widget (w, dwi); +} + /* Implementation of svalue::accept vfunc for compound_svalue. */ void @@ -2081,6 +2424,30 @@ conjured_svalue::dump_to_pp (pretty_printer *pp, bool simple) const } } +/* Implementation of svalue::print_dump_widget_label vfunc for + conjured_svalue. */ + +void +conjured_svalue::print_dump_widget_label (pretty_printer *pp) const +{ + pp_printf (pp, "conjured_svalue ("); + pp_gimple_stmt_1 (pp, m_stmt, 0, (dump_flags_t)0); + if (m_idx != 0) + pp_printf (pp, ", %i", m_idx); + pp_character (pp, ')'); +} + +/* Implementation of svalue::add_dump_widget_children vfunc for + conjured_svalue. */ + +void +conjured_svalue:: +add_dump_widget_children (text_art::tree_widget &w, + const text_art::dump_widget_info &dwi) const +{ + w.add_child (m_id_reg->make_dump_widget (dwi)); +} + /* Implementation of svalue::accept vfunc for conjured_svalue. */ void @@ -2136,6 +2503,34 @@ asm_output_svalue::dump_to_pp (pretty_printer *pp, bool simple) const } } +/* Implementation of svalue::print_dump_widget_label vfunc for + asm_output_svalue. */ + +void +asm_output_svalue::print_dump_widget_label (pretty_printer *pp) const +{ + pp_printf (pp, "asm_output_svalue(%qs, %%%i)", + get_asm_string (), + get_output_idx ()); +} + +/* Implementation of svalue::add_dump_widget_children vfunc for + asm_output_svalue. */ + +void +asm_output_svalue:: +add_dump_widget_children (text_art::tree_widget &w, + const text_art::dump_widget_info &dwi) const +{ + for (unsigned i = 0; i < m_num_inputs; i++) + { + pretty_printer pp; + pp_printf (&pp, "arg %i", i); + w.add_child (m_input_arr[i]->make_dump_widget (dwi, + pp_formatted_text (&pp))); + } +} + /* Subroutine of asm_output_svalue::dump_to_pp. */ void @@ -2198,6 +2593,32 @@ const_fn_result_svalue::dump_to_pp (pretty_printer *pp, bool simple) const } } +/* Implementation of svalue::print_dump_widget_label vfunc for + const_fn_result_svalue. */ + +void +const_fn_result_svalue::print_dump_widget_label (pretty_printer *pp) const +{ + pp_printf (pp, "const_fn_result_svalue: %qD", m_fndecl); +} + +/* Implementation of svalue::add_dump_widget_children vfunc for + const_fn_result_svalue. */ + +void +const_fn_result_svalue:: +add_dump_widget_children (text_art::tree_widget &w, + const text_art::dump_widget_info &dwi) const +{ + for (unsigned i = 0; i < m_num_inputs; i++) + { + pretty_printer pp; + pp_printf (&pp, "arg %i", i); + w.add_child (m_input_arr[i]->make_dump_widget (dwi, + pp_formatted_text (&pp))); + } +} + /* Subroutine of const_fn_result_svalue::dump_to_pp. */ void |