diff options
Diffstat (limited to 'gcc/cobol/genapi.cc')
-rw-r--r-- | gcc/cobol/genapi.cc | 1151 |
1 files changed, 769 insertions, 382 deletions
diff --git a/gcc/cobol/genapi.cc b/gcc/cobol/genapi.cc index 8017788..c9d2da4 100644 --- a/gcc/cobol/genapi.cc +++ b/gcc/cobol/genapi.cc @@ -27,6 +27,7 @@ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + #include "cobol-system.h" #include "coretypes.h" @@ -117,7 +118,7 @@ typedef struct TREEPLET static void -treeplet_fill_source(TREEPLET &treeplet, cbl_refer_t &refer) +treeplet_fill_source(TREEPLET &treeplet, const cbl_refer_t &refer) { treeplet.pfield = gg_get_address_of(refer.field->var_decl_node); treeplet.offset = refer_offset(refer); @@ -190,6 +191,9 @@ const char *gv_trace_switch = NULL; char const *bTRACE1 = NULL; tree trace_handle; tree trace_indent; + +// This variable is set to true when the output cursor is known to be at the +// start-of-line. bool cursor_at_sol = true; static void @@ -229,6 +233,13 @@ trace1_init() } } +static +void +insert_nop(int n) + { + gg_assign(var_decl_nop, build_int_cst_type(INT, n)); + } + static void create_cblc_string_variable(const char *var_name, const char *var_contents) { @@ -266,8 +277,6 @@ build_main_that_calls_something(const char *something) SHOW_PARSE_END } - gg_set_current_line_number(DEFAULT_LINE_NUMBER); - tree function_decl = gg_define_function( INT, "main", "main", @@ -321,7 +330,6 @@ build_main_that_calls_something(const char *something) argc, argv, NULL_TREE))); - strncpy(ach_cobol_entry_point, psz, sizeof(ach_cobol_entry_point)-1); free(psz); gg_finalize_function(); } @@ -361,8 +369,11 @@ level_88_helper(size_t parent_capacity, size_t &returned_size) { // We return a MALLOCed return value, which the caller must free. - char *retval = (char *)xmalloc(parent_capacity + 64); - char *builder = (char *)xmalloc(parent_capacity + 64); + char *retval = static_cast<char *>(xmalloc(parent_capacity + 64)); + gcc_assert(retval); + char *builder = static_cast<char *>(xmalloc(parent_capacity + 64)); + gcc_assert(builder); + size_t nbuild = 0; cbl_figconst_t figconst = cbl_figconst_of( elem.name()); @@ -403,7 +414,8 @@ level_88_helper(size_t parent_capacity, // Pick up the string size_t first_name_length = elem.size(); - char *first_name = (char *)xmalloc(first_name_length + 1); + char *first_name = static_cast<char *>(xmalloc(first_name_length + 1)); + gcc_assert(first_name); memcpy(first_name, elem.name(), first_name_length); first_name[first_name_length] = '\0'; @@ -480,7 +492,7 @@ get_level_88_domain(size_t parent_capacity, cbl_field_t *var, size_t &returned_s // Numerics are converted to strings, and handled as above size_t retval_capacity = 64; - char *retval = (char *)xmalloc(retval_capacity); + char *retval = static_cast<char *>(xmalloc(retval_capacity)); size_t output_index = 0; // Loop through the provided domains: @@ -497,8 +509,9 @@ get_level_88_domain(size_t parent_capacity, cbl_field_t *var, size_t &returned_s if( output_index + stream_len > retval_capacity ) { retval_capacity *= 2; - retval = (char *)xrealloc(retval, retval_capacity); + retval = static_cast<char *>(xrealloc(retval, retval_capacity)); } + gcc_assert(retval); memcpy(retval + output_index, stream, stream_len); output_index += stream_len; returned_size += stream_len; @@ -509,14 +522,23 @@ get_level_88_domain(size_t parent_capacity, cbl_field_t *var, size_t &returned_s if( output_index + stream_len > retval_capacity ) { retval_capacity *= 2; - retval = (char *)xrealloc(retval, retval_capacity); + retval = static_cast<char *>(xrealloc(retval, retval_capacity)); } + gcc_assert(retval); memcpy(retval + output_index, stream, stream_len); output_index += stream_len; returned_size += stream_len; free(stream); domain += 1; } + + if( returned_size >= retval_capacity) + { + retval_capacity *= 2; + retval = static_cast<char *>(xrealloc(retval, retval_capacity)); + } + + gcc_assert(returned_size < retval_capacity); retval[returned_size++] = '\0'; return retval; } @@ -608,13 +630,8 @@ get_class_condition_string(cbl_field_t *var) // Since the first.name is a single character, we can do this as // a single-character pair. - // Keep in mind that the single character might be a two-byte UTF-8 - // codepoint - uint8_t ch1 = domain->first.name()[0]; - uint8_t ch2 = domain->last.name()[0]; - - gcc_assert(first_name_length <= 2); - gcc_assert(last_name_length <= 2); + uint8_t ch1; + uint8_t ch2; char *p2; size_t one; @@ -766,8 +783,10 @@ parser_call_target_convention( tree func ) void parser_call_targets_dump() { - dbgmsg( "call targets for #" HOST_SIZE_T_PRINT_UNSIGNED, + dbgmsg( "call targets for #" HOST_SIZE_T_PRINT_UNSIGNED " NOT dumping", (fmt_size_t)current_program_index() ); +#if 0 // A change to call_targets rendered this routine useless. Until we get + // around to repairing it, this code is left for reference. for( const auto& elem : call_targets ) { const auto& k = elem.first; const auto& v = elem.second; @@ -781,6 +800,7 @@ parser_call_targets_dump() } fprintf(stderr, " ]\n"); } +#endif } size_t @@ -808,8 +828,8 @@ parser_call_target_update( size_t caller, } static tree -function_pointer_from_name(cbl_refer_t &name, - tree function_return_type) +function_pointer_from_name(const cbl_refer_t &name, + tree function_return_type) { Analyze(); @@ -885,7 +905,8 @@ function_pointer_from_name(cbl_refer_t &name, } void -parser_initialize_programs(size_t nprogs, struct cbl_refer_t *progs) +parser_initialize_programs( size_t nprogs, + const struct cbl_refer_t *progs) { Analyze(); SHOW_PARSE @@ -985,14 +1006,13 @@ parser_compile_ecs( const std::vector<uint64_t>& ecs ) return NULL_TREE; } - char ach[32]; + char ach[64]; static int counter = 1; sprintf(ach, "_ecs_table_%d", counter++); tree retval = array_of_long_long(ach, ecs); SHOW_IF_PARSE(nullptr) { SHOW_PARSE_HEADER - char ach[64]; snprintf(ach, sizeof(ach), " Size is %lu; retval is %p", gb4(ecs.size()), as_voidp(retval)); SHOW_PARSE_TEXT(ach) @@ -1001,7 +1021,6 @@ parser_compile_ecs( const std::vector<uint64_t>& ecs ) TRACE1 { TRACE1_HEADER - char ach[64]; snprintf(ach, sizeof(ach), " Size is %lu; retval is %p", gb4(ecs.size()), as_voidp(retval)); TRACE1_TEXT_ABC("", ach, ""); @@ -1034,14 +1053,13 @@ parser_compile_dcls( const std::vector<uint64_t>& dcls ) return NULL_TREE; } - char ach[32]; + char ach[64]; static int counter = 1; sprintf(ach, "_dcls_table_%d", counter++); tree retval = array_of_long_long(ach, dcls); SHOW_IF_PARSE(nullptr) { SHOW_PARSE_HEADER - char ach[64]; snprintf(ach, sizeof(ach), " Size is %lu; retval is %p", gb4(dcls.size()), as_voidp(retval)); SHOW_PARSE_TEXT(ach); @@ -1050,7 +1068,6 @@ parser_compile_dcls( const std::vector<uint64_t>& dcls ) TRACE1 { TRACE1_HEADER - char ach[64]; snprintf(ach, sizeof(ach), " Size is %lu; retval is %p", gb4(dcls.size()), as_voidp(retval)); TRACE1_TEXT_ABC("", ach, ""); @@ -1167,21 +1184,13 @@ parser_statement_begin( const cbl_name_t statement_name, // the execution time of a program doing two-billion simple adds in an inner // loop dropped from 3.8 seconds to 0.175 seconds. - bool exception_processing = enabled_exceptions.size() ; + bool exception_processing = cdf_enabled_exceptions().size() ; if( !exception_processing ) { exception_processing = file_ops.find(statement_name) != file_ops.end(); } - if( gg_get_current_line_number() == DEFAULT_LINE_NUMBER ) - { - // This code is intended to prevert GDB anomalies when the first line of a - // program is a PERFORM <proc> ... TEST AFTER ... UNTIL ... - gg_set_current_line_number(CURRENT_LINE_NUMBER-1); - gg_assign(var_decl_nop, build_int_cst_type(INT, 106)); - } - // At this point, if any exception is enabled, we store the location stuff. // Each file I-O routine calls store_location_stuff explicitly, because // those exceptions can't be defeated. @@ -1189,14 +1198,9 @@ parser_statement_begin( const cbl_name_t statement_name, if( exception_processing ) { store_location_stuff(statement_name); - } - - gg_set_current_line_number(CURRENT_LINE_NUMBER); - - if( exception_processing ) - { set_exception_environment(ecs, dcls); } + sv_is_i_o = false; } @@ -1210,10 +1214,9 @@ initialize_variable_internal( cbl_refer_t refer, // gg_string_literal(refer.field->name), // NULL_TREE); cbl_field_t *parsed_var = refer.field; - - if( parsed_var->type == FldLiteralA ) + if( !parsed_var ) { - return; + cbl_internal_error("%s should not be null", "parsed_var"); } if( parsed_var->is_key_name() ) @@ -1229,7 +1232,7 @@ initialize_variable_internal( cbl_refer_t refer, return; } - if( parsed_var && parsed_var->type == FldBlob ) + if( parsed_var->type == FldBlob ) { return; } @@ -1347,8 +1350,6 @@ initialize_variable_internal( cbl_refer_t refer, SHOW_PARSE_END } - CHECK_FIELD(parsed_var); - // When initializing a variable, we have to ignore any DEPENDING ON clause // that might otherwise apply suppress_dest_depends = true; @@ -1588,7 +1589,7 @@ parser_initialize(const cbl_refer_t& refer, bool like_parser_symbol_add) static void get_binary_value_from_float(tree value, - cbl_refer_t &dest, + const cbl_refer_t &dest, cbl_field_t *source, tree source_offset ) @@ -1682,6 +1683,7 @@ depending_on_value(tree depending_on, cbl_field_t *current_sizer) // gg_assign(occurs_lower, build_int_cst_type(LONG, current_sizer->occurs.bounds.lower)); // gg_assign(occurs_upper, build_int_cst_type(LONG, current_sizer->occurs.bounds.upper)); + gcc_assert(current_sizer); if( current_sizer->occurs.depending_on ) { get_depending_on_value_from_odo(depending_on, current_sizer); @@ -1825,16 +1827,12 @@ normal_normal_compare(bool debugging, NULL_TREE); } - bool needs_adjusting; if( !left_intermediate && !right_intermediate ) { // Yay! Both sides have fixed rdigit values. - // Flag needs_adjusting as false, because we are going to do it here: - needs_adjusting = false; int adjust = get_scaled_rdigits(left_side_ref->field) - get_scaled_rdigits(right_side_ref->field); - if( adjust > 0 ) { // We need to make right_side bigger to match the scale of left_side @@ -1849,6 +1847,7 @@ normal_normal_compare(bool debugging, else { // At least one side is right_intermediate + bool needs_adjusting; tree adjust; if( !left_intermediate && right_intermediate ) @@ -2357,7 +2356,7 @@ cobol_compare( tree return_int, build_int_cst_type(INT, rightflags), integer_zero_node, NULL_TREE)); - compared = true; + // compared = true; // Commented out to quiet cppcheck } // gg_printf(" result is %d\n", return_int, NULL_TREE); @@ -2377,6 +2376,8 @@ move_tree( cbl_field_t *dest, SHOW_PARSE_END } + CHECK_FIELD(dest); + bool moved = true; tree source_length = gg_define_size_t(); @@ -2460,7 +2461,7 @@ move_tree( cbl_field_t *dest, psz_source, min_length, member(dest->var_decl_node, "picture"), - NULL); + NULL_TREE); break; } @@ -2563,7 +2564,7 @@ get_string_from(cbl_field_t *field) } static char * -combined_name(cbl_label_t *label) +combined_name(const cbl_label_t *label) { // This routine returns a pointer to a static, so make sure you use the result // before calling the routine again @@ -2578,7 +2579,7 @@ combined_name(cbl_label_t *label) if( label->parent ) { // It's possible for implicit - cbl_label_t *section_label = cbl_label_of(symbol_at(label->parent)); + const cbl_label_t *section_label = cbl_label_of(symbol_at(label->parent)); sect_name = section_label->name; } } @@ -2588,7 +2589,7 @@ combined_name(cbl_label_t *label) } static size_t retval_size = 256; - static char *retval= (char *)xmalloc(retval_size); + static char *retval= static_cast<char *>(xmalloc(retval_size)); char *paragraph = cobol_name_mangler(para_name); char *section = cobol_name_mangler(sect_name); @@ -2600,8 +2601,9 @@ combined_name(cbl_label_t *label) + 24 ) { retval_size *= 2; - retval = (char *)xrealloc(retval, retval_size); + retval = static_cast<char *>(xrealloc(retval, retval_size)); } + gcc_assert(retval); *retval = '\0'; char ach[24]; @@ -2648,8 +2650,9 @@ assembler_label(const char *label) { length = strlen(label) + strlen(local_text) + 1; free(build); - build = (char *)xmalloc(length); + build = static_cast<char *>(xmalloc(length)); } + gcc_assert(build); strcpy(build, label); strcat(build, local_text); @@ -2663,8 +2666,6 @@ section_label(struct cbl_proc_t *procedure) // With nested programs, you can have multiple program/section pairs with the // the same names; we use a deconflictor to avoid collisions - gg_set_current_line_number(CURRENT_LINE_NUMBER); - size_t deconflictor = symbol_label_id(procedure->label); cbl_label_t *label = procedure->label; @@ -2689,7 +2690,7 @@ section_label(struct cbl_proc_t *procedure) } assembler_label(psz2); free(psz2); - gg_assign(var_decl_nop, build_int_cst_type(INT, 108)); + insert_nop(108); } static void @@ -2704,8 +2705,6 @@ paragraph_label(struct cbl_proc_t *procedure) // are not referenced by the program. We provide a deconflictor to // separate such labels. - gg_set_current_line_number(CURRENT_LINE_NUMBER); - cbl_label_t *paragraph = procedure->label; cbl_label_t *section = nullptr; @@ -2727,6 +2726,9 @@ paragraph_label(struct cbl_proc_t *procedure) section_name ? section_name: "(null)" , current_function->our_unmangled_name ? current_function->our_unmangled_name: "" , (fmt_size_t)deconflictor ); + + // (0) is wrong, so back up one + gg_insert_into_assembler(psz1); SHOW_PARSE @@ -2743,7 +2745,25 @@ paragraph_label(struct cbl_proc_t *procedure) combined_name(procedure->label)); assembler_label(psz2); free(psz2); - gg_assign(var_decl_nop, build_int_cst_type(INT, 109)); + + // We are inserting a NOP after having created a label for the procedure. + // This means that when using GDC_COBOL to step into a procedure, the + // execution will stop there and show "123 para-name." at the stopped point. + // + // Note that because there is no user-specified executable code at that point + // the user can't set a working breakpoint with "break 123". But because + // GDB will pick up the psz2 text and set a breakpoint there (which is the + // location of the NOP) "break para-name" will actually stop and show line + // 123. + // + // This really only makes sense when you look at the assembly language. Keep + // in mind as you read it that issuing a "break 123" causes GDB to set a + // breakpoint at the first executable machine language code following the + // first ".loc 123" directive. + // + // Yes, trying to understand this causes headaches for many people who read + // this. Take an aspirin. + insert_nop(109); } static void @@ -2787,6 +2807,7 @@ pseudo_return_pop(cbl_proc_t *procedure) NULL_TREE); } + token_location_override(current_location_minus_one()); IF( var_decl_exit_address, eq_op, procedure->exit.addr ) { TRACE1 @@ -2796,11 +2817,13 @@ pseudo_return_pop(cbl_proc_t *procedure) // The top of the stack is us! // Pick up the return address from the pseudo_return stack: + token_location_override(current_location_minus_one()); gg_assign(current_function->void_star_temp, gg_call_expr( VOID_P, "__gg__pseudo_return_pop", NULL_TREE)); // And do the return: + token_location_override(current_location_minus_one()); gg_goto(current_function->void_star_temp); } ELSE @@ -2834,11 +2857,13 @@ leave_procedure(struct cbl_proc_t *procedure, bool /*section*/) // procedure->bottom.label); // Procedure can be null, for example at the beginning of a // new program, or after somebody else has cleared it out. + gg_append_statement(procedure->exit.label); char *psz; psz = xasprintf("_procret." HOST_SIZE_T_PRINT_DEC ":", (fmt_size_t)symbol_label_id(procedure->label)); + token_location_override(current_location_minus_one()); gg_insert_into_assembler(psz); free(psz); pseudo_return_pop(procedure); @@ -2951,7 +2976,9 @@ find_procedure(cbl_label_t *label) static int counter=1; // This is a new section or paragraph; we need to create its values: - retval = (struct cbl_proc_t *)xmalloc(sizeof(struct cbl_proc_t)); + retval = static_cast<struct cbl_proc_t *> + (xmalloc(sizeof(struct cbl_proc_t))); + gcc_assert(retval); retval->label = label; gg_create_goto_pair(&retval->top.go_to, @@ -3007,6 +3034,8 @@ parser_enter_section(cbl_label_t *label) { SHOW_PARSE_HEADER SHOW_PARSE_LABEL(" ", label) + SHOW_PARSE_INDENT + linemap_dump_location( line_table, current_token_location(), stderr ); SHOW_PARSE_END } @@ -3014,8 +3043,7 @@ parser_enter_section(cbl_label_t *label) // This NOP is needed to give GDB a line number for the entry point of // paragraphs - gg_set_current_line_number(CURRENT_LINE_NUMBER); - gg_assign(var_decl_nop, build_int_cst_type(INT, 101)); + insert_nop(101); struct cbl_proc_t *procedure = find_procedure(label); gg_append_statement(procedure->top.label); @@ -3042,6 +3070,8 @@ parser_enter_paragraph(cbl_label_t *label) { SHOW_PARSE_HEADER SHOW_PARSE_LABEL(" ", label) + SHOW_PARSE_INDENT + linemap_dump_location( line_table, current_token_location(), stderr ); SHOW_PARSE_END } @@ -3257,16 +3287,20 @@ parser_goto( cbl_refer_t value_ref, size_t narg, cbl_label_t * const labels[] ) void parser_perform(cbl_label_t *label, bool suppress_nexting) { - label->used = yylineno; Analyze(); SHOW_PARSE { SHOW_PARSE_HEADER SHOW_PARSE_LABEL(" ", label) char ach[32]; - sprintf(ach, " label is at %p", (void*)label); + sprintf(ach, " label is at %p", static_cast<void*>(label)); SHOW_PARSE_TEXT(ach) - sprintf(ach, " label->proc is %p", (void*)label->structs.proc); + if( label ) + { + sprintf(ach, + " label->proc is %p", + static_cast<void*>(label->structs.proc)); + } SHOW_PARSE_TEXT(ach) SHOW_PARSE_END } @@ -3279,6 +3313,7 @@ parser_perform(cbl_label_t *label, bool suppress_nexting) } CHECK_LABEL(label); + label->used = yylineno; struct cbl_proc_t *procedure = find_procedure(label); @@ -3315,9 +3350,9 @@ parser_perform(cbl_label_t *label, bool suppress_nexting) char ach[256]; if( label->type == LblParagraph ) { - cbl_label_t *section_label = cbl_label_of(symbol_at(label->parent)); + const cbl_label_t *sec_label = cbl_label_of(symbol_at(label->parent)); para_name = label->name; - sect_name = section_label->name; + sect_name = sec_label->name; sprintf(ach, "%s PERFORM %s of %s of %s (" HOST_SIZE_T_PRINT_DEC ")", ASM_COMMENT_START, @@ -3377,9 +3412,9 @@ parser_perform_times( cbl_label_t *proc_1, cbl_refer_t count ) SHOW_PARSE_REF(" ", count) SHOW_PARSE_TEXT(" TIMES") char ach[32]; - sprintf(ach, " proc_1 is at %p", (void*)proc_1); + sprintf(ach, " proc_1 is at %p", static_cast<void*>(proc_1)); SHOW_PARSE_TEXT(ach) - sprintf(ach, " proc_1->proc is %p", (void*)proc_1->structs.proc); + sprintf(ach, " proc_1->proc is %p", static_cast<void*>(proc_1->structs.proc)); SHOW_PARSE_TEXT(ach) SHOW_PARSE_END } @@ -3416,6 +3451,7 @@ parser_perform_times( cbl_label_t *proc_1, cbl_refer_t count ) sprintf(ach, "_procretb." HOST_SIZE_T_PRINT_DEC ":", (fmt_size_t)our_pseudo_label); + token_location_override(current_location_minus_one()); gg_insert_into_assembler(ach); } @@ -3430,17 +3466,22 @@ internal_perform_through( cbl_label_t *proc_1, SHOW_PARSE_HEADER SHOW_PARSE_LABEL(" ", proc_1); char ach[32]; - sprintf(ach, " proc_1 is at %p", (void*)proc_1); + sprintf(ach, " proc_1 is at %p", static_cast<void*>(proc_1)); SHOW_PARSE_TEXT(ach) - sprintf(ach, " proc_1->proc is %p", (void*)proc_1->structs.proc); + if( proc_1 ) + { + sprintf(ach, + " proc_1->proc is %p", + static_cast<void*>(proc_1->structs.proc)); + } SHOW_PARSE_TEXT(ach) if( proc_2 ) { SHOW_PARSE_INDENT - SHOW_PARSE_LABEL("", proc_2); - sprintf(ach, " proc_2 is at %p", (void*)proc_2); + SHOW_PARSE_LABEL_OK("", proc_2); + sprintf(ach, " proc_2 is at %p", static_cast<void*>(proc_2)); SHOW_PARSE_TEXT(ach) - sprintf(ach, " proc_2->proc is %p", (void*)proc_2->structs.proc); + sprintf(ach, " proc_2->proc is %p", static_cast<void*>(proc_2->structs.proc)); SHOW_PARSE_TEXT(ach) } SHOW_PARSE_END @@ -3453,14 +3494,12 @@ internal_perform_through( cbl_label_t *proc_1, CHECK_LABEL(proc_1); - if(!proc_2) + if( !proc_2 ) { parser_perform(proc_1, suppress_nexting); return; } - CHECK_LABEL(proc_2); - struct cbl_proc_t *proc1 = find_procedure(proc_1); struct cbl_proc_t *proc2 = find_procedure(proc_2); @@ -3515,17 +3554,22 @@ internal_perform_through_times( cbl_label_t *proc_1, SHOW_PARSE_HEADER SHOW_PARSE_LABEL(" ", proc_1); char ach[32]; - sprintf(ach, " proc_1 is at %p", (void*)proc_1); + sprintf(ach, " proc_1 is at %p", static_cast<void*>(proc_1)); SHOW_PARSE_TEXT(ach) - sprintf(ach, " proc_1->proc is %p", (void*)proc_1->structs.proc); + if( proc_1 ) + { + sprintf(ach, + " proc_1->proc is %p", + static_cast<void*>(proc_1->structs.proc)); + } SHOW_PARSE_TEXT(ach) if( proc_2 ) { SHOW_PARSE_INDENT - SHOW_PARSE_LABEL("", proc_2); - sprintf(ach, " proc_2 is at %p", (void*)proc_2); + SHOW_PARSE_LABEL_OK("", proc_2); + sprintf(ach, " proc_2 is at %p", static_cast<void*>(proc_2)); SHOW_PARSE_TEXT(ach) - sprintf(ach, " proc_2->proc is %p", (void*)proc_2->structs.proc); + sprintf(ach, " proc_2->proc is %p", static_cast<void*>(proc_2->structs.proc)); SHOW_PARSE_TEXT(ach) } SHOW_PARSE_REF(" ", count); @@ -3561,6 +3605,7 @@ internal_perform_through_times( cbl_label_t *proc_1, sprintf(ach, "_procretb." HOST_SIZE_T_PRINT_DEC ":", (fmt_size_t)our_pseudo_label); + token_location_override(current_location_minus_one()); gg_insert_into_assembler( ach ); } @@ -3752,6 +3797,22 @@ parser_leave_file() { // We are leaving the top-level file, which means this compilation is // done, done, done. + + // There is, however, one thing left to do. If the command line says + // that this module needs a main entry point, then this is where + // we create a main() function. We build it at the end, so that all of + // the .loc directives associated with it appear at the end of the + // source code. We used to create the main() entry point at the beginning, + // but that created confusion for GDB when trying to debug the generated + // executable. + if( main_entry_point ) + { + next_program_is_main = false; + build_main_that_calls_something(main_entry_point); + free(main_entry_point); + main_entry_point = NULL; + } + gg_leaving_the_source_code_file(); } } @@ -3861,17 +3922,8 @@ parser_enter_program( const char *funcname_, // The first thing we have to do is mangle this name. This is safe even // though the end result will be mangled again, because the mangler doesn't // change a mangled name. - - char *mangled_name; - - if( current_call_convention() == cbl_call_cobol_e ) - { - mangled_name = cobol_name_mangler(funcname_); - } - else - { - mangled_name = xstrdup(funcname_); - } + + char *mangled_name = cobol_name_mangler(funcname_); size_t parent_index = current_program_index(); char *funcname; @@ -3899,28 +3951,25 @@ parser_enter_program( const char *funcname_, if( !is_function && !parent_index ) { - // This is a top_level program, and not a function + // This is a top_level program-id, and not a function if( next_program_is_main ) { + // This is the first top-level program-id. next_program_is_main = false; - if(main_entry_point) + if( !main_entry_point ) { - build_main_that_calls_something(main_entry_point); - free(main_entry_point); - main_entry_point = NULL; - } - else - { - build_main_that_calls_something(funcname); + // Because no explicit main_entry_point was specified, this program-id, + // the first in the file, becomes the target of the main() function + // that will be created at parser_leave_file time. + main_entry_point = xstrdup(funcname); + + char *psz = cobol_name_mangler(main_entry_point); + strncpy(ach_cobol_entry_point, psz, sizeof(ach_cobol_entry_point)-1); + free(psz); } } } - // Call this after build_main_that_calls_something, because it manipulates - // the current line number to DEFAULT_LINE_NUMBER. We have to manipulate it - // back afterward. - gg_set_current_line_number(CURRENT_LINE_NUMBER); - if( strcmp(funcname_, "main") == 0 && this_module_has_main ) { // setting 'retval' to 1 let's the caller know that we are being told @@ -4110,6 +4159,8 @@ psa_FldLiteralN(struct cbl_field_t *field ) // We are constructing a completely static constant structure, based on the // text string in .initial + CHECK_FIELD(field); + FIXED_WIDE_INT(128) value = 0; do @@ -4302,6 +4353,8 @@ psa_FldBlob(struct cbl_field_t *var ) SHOW_PARSE_END } + CHECK_FIELD(var); + // We are constructing a completely static constant structure. We know the // capacity. We'll create it from the data.initial. The var_decl_node will // be a pointer to the data @@ -4339,67 +4392,182 @@ psa_FldBlob(struct cbl_field_t *var ) } void -parser_accept( struct cbl_refer_t refer, - enum special_name_t special_e ) +parser_accept(const struct cbl_refer_t &tgt, + special_name_t special_e, + cbl_label_t *error, + cbl_label_t *not_error ) { - Analyze(); SHOW_PARSE { SHOW_PARSE_HEADER - SHOW_PARSE_REF(" ", refer); + if( error ) + { + SHOW_PARSE_LABEL(" error ", error) + } + if( not_error ) + { + SHOW_PARSE_LABEL(" not_error ", not_error) + } SHOW_PARSE_END } - TRACE1 - { - TRACE1_HEADER - TRACE1_END - } - - /* - enum special_name_t - { - SYSIN_e, - SYSIPT_e, - SYSOUT_e, - SYSLIST_e, - SYSLST_e, - SYSPUNCH_e, - SYSPCH_e, - CONSOLE_e, - C01_e, C02_e, C03_e, C04_e, C05_e, C06_e, - C07_e, C08_e, C09_e, C10_e, C11_e, C12_e, - CSP_e, - S01_e, S02_e, S03_e, S04_e, S05_e, - AFP_5A_e, - }; - */ // The ISO spec describes the valid special names for ACCEPT as implementation // dependent. We are following IBM's lead. tree environment = build_int_cst_type(INT, special_e); - switch( special_e ) + const char *function_to_call = NULL; + + switch(special_e) { + case STDIN_e: case CONSOLE_e: case SYSIPT_e: case SYSIN_e: - break; - default: - dbgmsg("%s(): We don't know what to do with special_name_t %d,", __func__, special_e); - dbgmsg("%s(): so we are ignoring it.", __func__); - yywarn("unrecognized SPECIAL NAME ignored"); + // This is ordinary input from from the stdin: + gg_call(VOID, + "__gg__accept", + environment, + gg_get_address_of(tgt.field->var_decl_node), + refer_offset(tgt), + refer_size_dest(tgt), + NULL_TREE); return; break; - } - gg_call(VOID, - "__gg__accept", - environment, - gg_get_address_of(refer.field->var_decl_node), - refer_offset(refer), - refer_size_dest(refer), - NULL_TREE); + case C01_e: + case C02_e: + case C03_e: + case C04_e: + case C05_e: + case C06_e: + case C07_e: + case C08_e: + case C09_e: + case C10_e: + case C11_e: + case C12_e: + case CSP_e: + case S01_e: + case S02_e: + case S03_e: + case S04_e: + case S05_e: + case AFP_5A_e: + case STDOUT_e: + case SYSOUT_e: + case SYSLIST_e: + case SYSLST_e: + case STDERR_e: + case SYSPUNCH_e: + case SYSPCH_e: + case SYSERR_e: + cbl_internal_error("Not valid for ACCEPT statement."); + break; + + case ARG_NUM_e: + // This ACCEPT statement wants the number of argv values: + gg_call(VOID, + "__gg__get_argc", + gg_get_address_of(tgt.field->var_decl_node), + refer_offset(tgt), + refer_size_source(tgt), + NULL_TREE); + return; + break; + + case ENV_NAME_e: + // This fetches the environment name set by DISPLAY... UPON ENV_NAME_e + gg_call(VOID, + "__gg__get_env_name", + gg_get_address_of(tgt.field->var_decl_node), + refer_offset(tgt), + refer_size_source(tgt), + NULL_TREE); + return; + break; + + case ENV_VALUE_e: + // This fetches the environment value associated with the previously + // esablished name + function_to_call = "__gg__get_env_value"; + break; + + case ARG_VALUE_e: + // We are fetching the variable whose index was established by a prior + // DISPLAY UPON ARGUMENT-NUMBER. After the fetch, the value will be + // incremented by one. + function_to_call = "__gg__accept_arg_value"; + break; + } + if( function_to_call ) + { + tree erf = gg_define_int(); + gg_assign(erf, + gg_call_expr( INT, + function_to_call, + gg_get_address_of(tgt.field->var_decl_node), + refer_offset(tgt), + refer_size_dest(tgt), + NULL_TREE)); + if( error ) + { + // There is an ON EXCEPTION phrase: + IF( erf, ne_op, integer_zero_node ) + { + SHOW_PARSE + { + SHOW_PARSE_INDENT + SHOW_PARSE_TEXT("Laying down GOTO error->INTO for_argv") + SHOW_PARSE_LABEL_OK(" ", error) + } + gg_append_statement( error->structs.arith_error->into.go_to ); + } + ELSE + { + } + ENDIF + } + if( not_error ) + { + // There is an NOT ON EXCEPTION phrase: + IF( erf, eq_op, integer_zero_node ) + { + SHOW_PARSE + { + SHOW_PARSE_INDENT + SHOW_PARSE_TEXT("Laying down GOTO not_error->INTO for_argv") + SHOW_PARSE_LABEL_OK(" ", not_error) + } + gg_append_statement( not_error->structs.arith_error->into.go_to ); + } + ELSE + { + } + ENDIF + } + if( error ) + { + SHOW_PARSE + { + SHOW_PARSE_INDENT + SHOW_PARSE_TEXT("Laying down LABEL error->bottom") + SHOW_PARSE_LABEL_OK(" ", error) + } + gg_append_statement( error->structs.arith_error->bottom.label ); + } + if( not_error ) + { + SHOW_PARSE + { + SHOW_PARSE_INDENT + SHOW_PARSE_TEXT("Laying down LABEL not_error->bottom") + SHOW_PARSE_LABEL_OK(" ", not_error) + SHOW_PARSE_END + } + gg_append_statement( not_error->structs.arith_error->bottom.label ); + } + } } // TODO: update documentation. @@ -4411,7 +4579,6 @@ parser_accept_exception( cbl_label_t *accept_label ) // We are entering either SIZE ERROR or NOT SIZE ERROR code RETURN_IF_PARSE_ONLY; - set_up_on_exception_label(accept_label); SHOW_PARSE { @@ -4424,6 +4591,9 @@ parser_accept_exception( cbl_label_t *accept_label ) SHOW_PARSE_END } + CHECK_LABEL(accept_label); + set_up_on_exception_label(accept_label); + // Jump over the [NOT] ON EXCEPTION code that is about to be laid down gg_append_statement( accept_label->structs.arith_error->over.go_to ); // Create the label that allows the following code to be executed at @@ -4450,6 +4620,8 @@ parser_accept_exception_end( cbl_label_t *accept_label ) SHOW_PARSE_END } + CHECK_LABEL(accept_label); + // Jump to the end of the arithmetic code: gg_append_statement( accept_label->structs.arith_error->bottom.go_to ); // Lay down the label that allows the ERROR/NOT ERROR instructions @@ -4459,8 +4631,8 @@ parser_accept_exception_end( cbl_label_t *accept_label ) } void -parser_accept_command_line( cbl_refer_t tgt, - cbl_refer_t source, +parser_accept_command_line( const cbl_refer_t &tgt, + const cbl_refer_t &source, cbl_label_t *error, cbl_label_t *not_error ) { @@ -4500,7 +4672,7 @@ parser_accept_command_line( cbl_refer_t tgt, { SHOW_PARSE_INDENT SHOW_PARSE_TEXT("Laying down GOTO error->INTO for_command_line") - SHOW_PARSE_LABEL(" ", error) + SHOW_PARSE_LABEL_OK(" ", error) } gg_append_statement( error->structs.arith_error->into.go_to ); } @@ -4518,7 +4690,7 @@ parser_accept_command_line( cbl_refer_t tgt, { SHOW_PARSE_INDENT SHOW_PARSE_TEXT("Laying down GOTO not_error->INTO for command_line") - SHOW_PARSE_LABEL(" ", not_error) + SHOW_PARSE_LABEL_OK(" ", not_error) } gg_append_statement( not_error->structs.arith_error->into.go_to ); } @@ -4550,7 +4722,7 @@ parser_accept_command_line( cbl_refer_t tgt, { SHOW_PARSE_INDENT SHOW_PARSE_TEXT("Laying down GOTO error->INTO for_argv") - SHOW_PARSE_LABEL(" ", error) + SHOW_PARSE_LABEL_OK(" ", error) } gg_append_statement( error->structs.arith_error->into.go_to ); } @@ -4568,7 +4740,7 @@ parser_accept_command_line( cbl_refer_t tgt, { SHOW_PARSE_INDENT SHOW_PARSE_TEXT("Laying down GOTO not_error->INTO for_argv") - SHOW_PARSE_LABEL(" ", not_error) + SHOW_PARSE_LABEL_OK(" ", not_error) } gg_append_statement( not_error->structs.arith_error->into.go_to ); } @@ -4584,7 +4756,7 @@ parser_accept_command_line( cbl_refer_t tgt, { SHOW_PARSE_INDENT SHOW_PARSE_TEXT("Laying down LABEL error->bottom") - SHOW_PARSE_LABEL(" ", error) + SHOW_PARSE_LABEL_OK(" ", error) } gg_append_statement( error->structs.arith_error->bottom.label ); } @@ -4594,7 +4766,7 @@ parser_accept_command_line( cbl_refer_t tgt, { SHOW_PARSE_INDENT SHOW_PARSE_TEXT("Laying down LABEL not_error->bottom") - SHOW_PARSE_LABEL(" ", not_error) + SHOW_PARSE_LABEL_OK(" ", not_error) SHOW_PARSE_END } gg_append_statement( not_error->structs.arith_error->bottom.label ); @@ -4602,7 +4774,7 @@ parser_accept_command_line( cbl_refer_t tgt, } void -parser_accept_command_line_count( cbl_refer_t tgt ) +parser_accept_command_line_count( const cbl_refer_t &tgt ) { Analyze(); SHOW_PARSE @@ -4624,10 +4796,10 @@ parser_accept_command_line_count( cbl_refer_t tgt ) } void -parser_accept_envar(struct cbl_refer_t tgt, - struct cbl_refer_t envar, - cbl_label_t *error, - cbl_label_t *not_error ) +parser_accept_envar(const struct cbl_refer_t &tgt, + const struct cbl_refer_t &envar, + cbl_label_t *error, + cbl_label_t *not_error ) { Analyze(); @@ -4692,7 +4864,7 @@ parser_accept_envar(struct cbl_refer_t tgt, { SHOW_PARSE_INDENT SHOW_PARSE_TEXT("Laying down LABEL error->bottom") - SHOW_PARSE_LABEL(" ", error) + SHOW_PARSE_LABEL_OK(" ", error) } gg_append_statement( error->structs.arith_error->bottom.label ); } @@ -4702,7 +4874,7 @@ parser_accept_envar(struct cbl_refer_t tgt, { SHOW_PARSE_INDENT SHOW_PARSE_TEXT("Laying down LABEL not_error->bottom") - SHOW_PARSE_LABEL(" ", not_error) + SHOW_PARSE_LABEL_OK(" ", not_error) SHOW_PARSE_END } gg_append_statement( not_error->structs.arith_error->bottom.label ); @@ -4710,7 +4882,8 @@ parser_accept_envar(struct cbl_refer_t tgt, } void -parser_set_envar( struct cbl_refer_t name, struct cbl_refer_t value ) +parser_set_envar( const struct cbl_refer_t &name, + const struct cbl_refer_t &value ) { Analyze(); SHOW_PARSE @@ -5112,7 +5285,6 @@ parser_display_internal(tree file_descriptor, build_int_cst_type(SIZE_T, refer.field->data.capacity), advance ? integer_one_node : integer_zero_node, NULL_TREE ); - cursor_at_sol = advance; } else if( refer.field->type == FldLiteralN ) { @@ -5150,50 +5322,50 @@ parser_display_internal(tree file_descriptor, *p = 'E'; if( exp < 0 && exp >= -9 ) { - p[1] = '-'; - p[2] = '0'; - p[3] = '0' - exp; - p[4] = '\0'; + p[1] = '-'; + p[2] = '0'; + p[3] = '0' - exp; + p[4] = '\0'; } else if( exp >= 0 && exp <= 9 ) { - p[1] = '+'; - p[2] = '0'; - p[3] = '0' + exp; - p[4] = '\0'; + p[1] = '+'; + p[2] = '0'; + p[3] = '0' + exp; + p[4] = '\0'; } } else if (exp == 0) { - p[-1] = '\0'; + p[-1] = '\0'; } else if (exp < 0) { - p[-1] = '\0'; - char *q = strchr (ach, '.'); - char dig = q[-1]; - q[-1] = '\0'; - char tem[132]; - snprintf (tem, 132, "%s0.%0*u%c%s", ach, -exp - 1, 0, dig, q + 1); - strcpy (ach, tem); + p[-1] = '\0'; + char *q = strchr (ach, '.'); + char dig = q[-1]; + q[-1] = '\0'; + char tem[132]; + snprintf (tem, 132, "%s0.%0*d%c%s", ach, -exp - 1, 0, dig, q + 1); + strcpy (ach, tem); } - else if (exp > 0) + else // if (exp > 0) { - p[-1] = '\0'; - char *q = strchr (ach, '.'); - for (int i = 0; i != exp; ++i) - q[i] = q[i + 1]; - q[exp] = '.'; + p[-1] = '\0'; + char *q = strchr (ach, '.'); + for (int i = 0; i != exp; ++i) + q[i] = q[i + 1]; + q[exp] = '.'; } __gg__remove_trailing_zeroes(ach); } if( symbol_decimal_point() == ',' ) { - char *p = strchr(ach, '.' ); - if( p ) + char *pdot = strchr(ach, '.' ); + if( pdot ) { - *p = symbol_decimal_point(); + *pdot = symbol_decimal_point(); } } @@ -5250,22 +5422,29 @@ parser_display_field(cbl_field_t *field) DISPLAY_NO_ADVANCE); } -/* - * The first parameter to parser_display is the "device" upon which to display - * the data. Besides normal devices, these may include elements that define the - * Unix command line and environment: - * 1. ARG_NUM_e, the ARGUMENT-NUMBER - * 2. ARG_VALUE_e, the ARGUMENT-VALUE - * 3. ENV_NAME_e, the ENVIRONMENT-NAME - * 4. ENV_VALUE_e, the ENVIRONMENT-VALUE - * that need special care and feeding. - */ void parser_display( const struct cbl_special_name_t *upon, - struct cbl_refer_t refs[], - size_t n, - bool advance ) + const std::vector<cbl_refer_t> &refs, + bool advance, + const cbl_label_t *not_error, + const cbl_label_t *error ) { + const size_t n = refs.size(); + /* + * The first parameter to parser_display is the "device" upon which to display + * the data. Besides normal devices, these may include elements that define the + * Unix command line and environment: + * 1. ARG_NUM_e, the ARGUMENT-NUMBER + * 2. ARG_VALUE_e, the ARGUMENT-VALUE + * 3. ENV_NAME_e, the ENVIRONMENT-NAME + * 4. ENV_VALUE_e, the ENVIRONMENT-VALUE + * that need special care and feeding. + */ + + // At the present time, I am not sure what not_error and error are for + gcc_assert(!not_error); + gcc_assert(!error); + Analyze(); SHOW_PARSE { @@ -5274,7 +5453,7 @@ parser_display( const struct cbl_special_name_t *upon, for(size_t i=0; i<n; i++) { SHOW_PARSE_INDENT - SHOW_PARSE_REF("", refs[i]); + SHOW_PARSE_REF("", refs.at(i)); } if( advance ) { @@ -5306,23 +5485,81 @@ parser_display( const struct cbl_special_name_t *upon, { switch(upon->id) { + // See table 5 in the IBM Cobol For Linux x86 1.2 document. + + case STDIN_e: + case SYSIN_e: + case SYSIPT_e: + cbl_internal_error("Attempting to send to an input device."); + break; + + case C01_e: + case C02_e: + case C03_e: + case C04_e: + case C05_e: + case C06_e: + case C07_e: + case C08_e: + case C09_e: + case C10_e: + case C11_e: + case C12_e: + case CSP_e: + case S01_e: + case S02_e: + case S03_e: + case S04_e: + case S05_e: + case AFP_5A_e: + case ARG_VALUE_e: + cbl_internal_error("Not valid for DISPLAY statement."); + break; + case STDOUT_e: - case SYSOUT_e: - case SYSLIST_e: - case SYSLST_e: case CONSOLE_e: + // These are inarguably stdout gg_assign(file_descriptor, integer_one_node); break; case STDERR_e: + case SYSERR_e: + // These are inarguably stderr + gg_assign(file_descriptor, integer_two_node); + break; + + case SYSOUT_e: + case SYSLIST_e: + case SYSLST_e: case SYSPUNCH_e: case SYSPCH_e: - gg_assign(file_descriptor, integer_two_node); + // In the 21st century, when there are no longer valid assumptions to + // be made about the existence of line printers, and where things + // formerly-ubiquitous card punches no longer exist, there is a need + // for the possibility of assigning these "devices" to externally- + // determined Unix gadgetry in /dev: + gg_assign(file_descriptor, + gg_call_expr( INT, + "__gg__get_file_descriptor", + gg_string_literal(upon->os_filename), + NULL_TREE)); + needs_closing = true; break; + case ARG_NUM_e: + // Set the index number for a subsequent ACCEPT FROM ARG_VALUE_e + gg_call(VOID, + "__gg__set_arg_num", + gg_get_address_of(refs[0].field->var_decl_node), + refer_offset(refs[0]), + refer_size_source(refs[0]), + NULL_TREE); + return; + break; + case ENV_NAME_e: - // This Part I of the slightly absurd method of using DISPLAY...UPON - // to fetch, or set, environment variables. + // Establish the name of an environment variable for later use with + // in either DISPLAY UPON or ACCEPT FROM gg_call(VOID, "__gg__set_env_name", gg_get_address_of(refs[0].field->var_decl_node), @@ -5332,19 +5569,16 @@ parser_display( const struct cbl_special_name_t *upon, return; break; - default: - if( upon->os_filename[0] ) - { - tree topen = gg_open( gg_string_literal(upon->os_filename), - build_int_cst_type(INT, O_APPEND|O_WRONLY)); - gg_assign(file_descriptor, topen); - needs_closing = true; - } - else - { - fprintf(stderr, "We don't know what to do in parser_display\n"); - gcc_unreachable(); - } + case ENV_VALUE_e: + // Set the contents of the environment variable named with ENV_NAME_e + gg_call(VOID, + "__gg__set_env_value", + gg_get_address_of(refs[0].field->var_decl_node), + refer_offset(refs[0]), + refer_size_source(refs[0]), + NULL_TREE); + return; + break; } } else @@ -5359,17 +5593,114 @@ parser_display( const struct cbl_special_name_t *upon, } CHECK_FIELD(refs[n-1].field); parser_display_internal(file_descriptor, refs[n-1], advance ? DISPLAY_ADVANCE : DISPLAY_NO_ADVANCE); - if( needs_closing ) { - tree tclose = gg_close(file_descriptor); - // We are ignoring the close() return value - gg_append_statement(tclose); + gg_close(file_descriptor); } cursor_at_sol = advance; } +static +bool // Returns false for literals; true for named variables +get_exhibit_name(tree file_descriptor, const cbl_refer_t &arg) + { + bool retval; + if( is_literal(arg.field) ) + { + // If something is a literal, we just display the literal value + parser_display_internal(file_descriptor, + arg, + DISPLAY_NO_ADVANCE); + retval = false; + } + else + { + // It's not a literal, so we show its name, and the names or literal + // values) of any qualifier subscripts or refmods + gg_write( file_descriptor, + gg_string_literal(arg.field->name), + build_int_cst_type(SIZE_T, strlen(arg.field->name)) ); + + if( arg.subscripts.size() ) + { + // This refer has subscripts: + gg_write( file_descriptor, + gg_string_literal("("), + integer_one_node ); + for(size_t i=0; i<arg.subscripts.size(); i++) + { + if( i > 0 ) + { + gg_write( file_descriptor, + gg_string_literal(","), + integer_one_node ); + } + get_exhibit_name(file_descriptor, arg.subscripts[i]); + } + gg_write( file_descriptor, + gg_string_literal(")"), + integer_one_node ); + } + if( arg.refmod.from || arg.refmod.len ) + { + gg_write( file_descriptor, + gg_string_literal("("), + integer_one_node ); + if( arg.refmod.from ) + { + get_exhibit_name(file_descriptor, *(arg.refmod.from)); + } + gg_write( file_descriptor, + gg_string_literal(":"), + integer_one_node ); + if( arg.refmod.len ) + { + get_exhibit_name(file_descriptor, *(arg.refmod.len)); + } + gg_write( file_descriptor, + gg_string_literal(")"), + integer_one_node ); + } + retval = true; + } + return retval; + } + +void +parser_exhibit( bool /*changed*/, bool /*named*/, + const std::vector<cbl_refer_t> &args ) + { + tree file_descriptor = gg_define_int(); + gg_assign(file_descriptor, integer_one_node); // stdout is file descriptor 1. + + for(size_t i=0; i<args.size(); i++) + { + CHECK_FIELD(args[i].field); + if(i > 0) + { + // When there more than one argument, the second through Nth get a space + // in front of them. + gg_write( file_descriptor, + gg_string_literal(" "), + integer_one_node); + } + if( get_exhibit_name(file_descriptor, args[i]) ) + { + gg_write( file_descriptor, + gg_string_literal("="), + integer_one_node); + parser_display_internal(file_descriptor, + args[i], + DISPLAY_NO_ADVANCE); + } + } + gg_write( file_descriptor, + gg_string_literal("\n"), + integer_one_node); + cursor_at_sol = true; + } + static tree get_literalN_value(cbl_field_t *var) { @@ -5642,12 +5973,12 @@ parser_assign( size_t nC, cbl_num_result_t *C, { SHOW_PARSE_INDENT SHOW_PARSE_TEXT(" Laying down on_error GOTO into") - SHOW_PARSE_LABEL(" ", on_error) + SHOW_PARSE_LABEL_OK(" ", on_error) } IF( gg_bitwise_or(error_flag, compute_error->structs.compute_error->compute_error_code), - ne_op, - integer_zero_node ) + ne_op, + integer_zero_node ) { gg_append_statement( on_error->structs.arith_error->into.go_to ); } @@ -5673,7 +6004,7 @@ parser_assign( size_t nC, cbl_num_result_t *C, { SHOW_PARSE_INDENT SHOW_PARSE_TEXT(" Laying down not_error GOTO into") - SHOW_PARSE_LABEL(" ", not_error) + SHOW_PARSE_LABEL_OK(" ", not_error) } IF( compute_error->structs.compute_error->compute_error_code, eq_op, integer_zero_node ) { @@ -5689,7 +6020,7 @@ parser_assign( size_t nC, cbl_num_result_t *C, { SHOW_PARSE_INDENT SHOW_PARSE_TEXT(" Laying down on_error LABEL BOTTOM:") - SHOW_PARSE_LABEL(" ", on_error) + SHOW_PARSE_LABEL_OK(" ", on_error) } gg_append_statement( on_error->structs.arith_error->bottom.label ); } @@ -5700,7 +6031,7 @@ parser_assign( size_t nC, cbl_num_result_t *C, { SHOW_PARSE_INDENT SHOW_PARSE_TEXT(" Laying down not_error LABEL BOTTOM:") - SHOW_PARSE_LABEL(" ", not_error) + SHOW_PARSE_LABEL_OK(" ", not_error) } gg_append_statement( not_error->structs.arith_error->bottom.label ); } @@ -5975,10 +6306,18 @@ parser_initialize_table(size_t nelem, } typedef size_t span_t[2]; static_assert(sizeof(spans[0]) == sizeof(span_t), "pair size wrong"); - static tree tspans = gg_define_variable(SIZE_T_P, "..pit_v1", vs_file_static); - static tree ttbls = gg_define_variable(SIZE_T_P, "..pit_v2", vs_file_static); - gg_assign(tspans, build_array_of_size_t(2*nspan, (const size_t *)spans)); - gg_assign(ttbls, build_array_of_size_t(2*ntbl, (const size_t *)tbls)); + static tree tspans = gg_define_variable(SIZE_T_P, + "..pit_v1", + vs_file_static); + static tree ttbls = gg_define_variable(SIZE_T_P, + "..pit_v2", +vs_file_static); + gg_assign(tspans, + build_array_of_size_t(2*nspan, + reinterpret_cast<const size_t *>(spans))); + gg_assign(ttbls, + build_array_of_size_t(2*ntbl, + reinterpret_cast<const size_t *>(tbls))); gg_call(VOID, "__gg__mirror_range", @@ -6137,7 +6476,7 @@ is_valuable( cbl_field_type_t type ) { return false; } -void parser_sleep(cbl_refer_t seconds) +void parser_sleep(const cbl_refer_t &seconds) { if( seconds.field ) { @@ -6157,7 +6496,7 @@ void parser_sleep(cbl_refer_t seconds) // This is a naked place-holding CONTINUE. Generate some do-nothing // code that will stick some .LOC information into the assembly language, // so that GDB-COBOL can display the CONTINUE statement. - gg_assign(var_decl_nop, build_int_cst_type(INT, 103)); + insert_nop(103); } } @@ -6240,12 +6579,12 @@ program_end_stuff(cbl_refer_t refer, ec_type_t ec) tree array_type = build_array_type_nelts(UCHAR, returner->data.capacity); - tree retval = gg_define_variable(array_type, vs_static); - gg_memcpy(gg_get_address_of(retval), + tree array = gg_define_variable(array_type, vs_static); + gg_memcpy(gg_get_address_of(array), member(returner->var_decl_node, "data"), member(returner->var_decl_node, "capacity")); - tree actual = gg_cast(COBOL_FUNCTION_RETURN_TYPE, gg_get_address_of(retval)); + tree actual = gg_cast(COBOL_FUNCTION_RETURN_TYPE, gg_get_address_of(array)); restore_local_variables(); gg_return(actual); @@ -6501,7 +6840,6 @@ parser_arith_error(cbl_label_t *arithmetic_label) // We are entering either SIZE ERROR or NOT SIZE ERROR code RETURN_IF_PARSE_ONLY; - set_up_on_exception_label(arithmetic_label); SHOW_PARSE { @@ -6514,6 +6852,10 @@ parser_arith_error(cbl_label_t *arithmetic_label) SHOW_PARSE_END } + CHECK_LABEL(arithmetic_label); + + set_up_on_exception_label(arithmetic_label); + // Jump over the [NOT] ON EXCEPTION code that is about to be laid down gg_append_statement( arithmetic_label->structs.arith_error->over.go_to ); // Create the label that allows the following code to be executed at @@ -6540,6 +6882,8 @@ parser_arith_error_end(cbl_label_t *arithmetic_label) SHOW_PARSE_END } + CHECK_LABEL(arithmetic_label); + // Jump to the end of the arithmetic code: gg_append_statement( arithmetic_label->structs.arith_error->bottom.go_to ); // Lay down the label that allows the ERROR/NOT ERROR instructions @@ -6723,8 +7067,6 @@ parser_division(cbl_division_t division, SHOW_PARSE_END } - gg_set_current_line_number(CURRENT_LINE_NUMBER); - if( division == data_div_e ) { Analyze(); @@ -6876,7 +7218,6 @@ parser_division(cbl_division_t division, // expected formal parameter and tacks it onto the end of the // function's arguments chain. - char ach[2*sizeof(cbl_name_t)]; sprintf(ach, "_p_%s", args[i].refer.field->name); size_t nbytes = 0; @@ -6896,14 +7237,13 @@ parser_division(cbl_division_t division, chain_parameter_to_function(current_function->function_decl, par_type, ach); } - bool check_for_parameter_count = false; - if( nusing ) { // During the call, we saved the parameter_count and an array of variable // lengths. We need to look at those values if, and only if, one or more // of our USING arguments has an OPTIONAL flag or if one of our targets is // marked as VARYING. + bool check_for_parameter_count = false; for(size_t i=0; i<nusing; i++) { if( args[i].optional ) @@ -7099,7 +7439,6 @@ parser_division(cbl_division_t division, // If so, we have to give var2::data_pointer the same value as // var1::data_pointer // - cbl_field_t *next_var; size_t our_index = symbol_index(symbol_elem_of(new_var)); size_t next_index = our_index + 1; // Look ahead in the symbol table for the next LEVEL01/77 @@ -7110,7 +7449,7 @@ parser_division(cbl_division_t division, { break; } - next_var = cbl_field_of(e); + cbl_field_t *next_var = cbl_field_of(e); if( !next_var ) { break; @@ -7185,6 +7524,11 @@ parser_division(cbl_division_t division, ENDIF } ENDIF + // The first token_location that the parser establishes is caused by the + // parser scanning all of the lines in the source code. This messes up the + // logic for backing up one line, which is needed to correctly step through + // COBOL code with GDB-COBOL. So, we clear it here. + current_location_minus_one_clear(); } } @@ -7629,7 +7973,9 @@ label_fetch(struct cbl_label_t *label) if( !label->structs.goto_trees ) { label->structs.goto_trees - = (cbl_label_addresses_t *)xmalloc(sizeof(struct cbl_label_addresses_t) ); + = static_cast<cbl_label_addresses_t *> + (xmalloc(sizeof(struct cbl_label_addresses_t))); + gcc_assert(label->structs.goto_trees); gg_create_goto_pair(&label->structs.goto_trees->go_to, &label->structs.goto_trees->label); @@ -7647,15 +7993,18 @@ parser_label_label(struct cbl_label_t *label) SHOW_PARSE_HEADER SHOW_PARSE_LABEL("", label) char ach[32]; - sprintf(ach, " label is at %p", (void*)label); + sprintf(ach, " label is at %p", static_cast<void*>(label)); SHOW_PARSE_TEXT(ach) - sprintf(ach, " label->proc is %p", (void*)label->structs.proc); + if( label ) + { + sprintf(ach, + " label->proc is %p", + static_cast<void*>(label->structs.proc)); + } SHOW_PARSE_TEXT(ach) SHOW_PARSE_END } - CHECK_LABEL(label); - TRACE1 { TRACE1_HEADER @@ -7663,6 +8012,8 @@ parser_label_label(struct cbl_label_t *label) TRACE1_END } + CHECK_LABEL(label); + if(strcmp(label->name, "_end_declaratives") == 0 ) { suppress_cobol_entry_point = false; @@ -7674,21 +8025,25 @@ void parser_label_goto(struct cbl_label_t *label) { label->used = yylineno; + Analyze(); SHOW_PARSE { SHOW_PARSE_HEADER SHOW_PARSE_LABEL(" ", label) char ach[32]; - sprintf(ach, " label is at %p", (void*)label); + sprintf(ach, " label is at %p", static_cast<void*>(label)); SHOW_PARSE_TEXT(ach) - sprintf(ach, " label->proc is %p", (void*)label->structs.proc); + if( label ) + { + sprintf(ach, + " label->proc is %p", + static_cast<void*>(label->structs.proc)); + } SHOW_PARSE_TEXT(ach) SHOW_PARSE_END } - CHECK_LABEL(label); - TRACE1 { TRACE1_HEADER @@ -7696,7 +8051,9 @@ parser_label_goto(struct cbl_label_t *label) TRACE1_END } - if(strcmp(label->name, "_end_declaratives") == 0 ) + CHECK_LABEL(label); + + if( strcmp(label->name, "_end_declaratives") == 0 ) { suppress_cobol_entry_point = true; } @@ -7780,7 +8137,7 @@ parser_setop( struct cbl_field_t *tgt, void parser_classify( cbl_field_t *tgt, - cbl_refer_t candidate, + const cbl_refer_t &candidate, enum classify_t type ) { Analyze(); @@ -7877,14 +8234,6 @@ create_iline_address_pairs(struct cbl_perform_tgt_t *tgt) gg_create_goto_pair(&tgt->addresses.setup.go_to, &tgt->addresses.setup.label); - - // Even in -O0 compilations, the compiler does some elementary optimizations - // around JMP instructions. We have the SETUP code for in-line performats - // in an island at the end of the loop code. With this intervention, NEXTing - // through the code shows you the final statement of the loop before the - // loop actually starts. - - tgt->addresses.line_number_of_setup_code = gg_get_current_line_number(); } void @@ -7898,7 +8247,7 @@ parser_perform_start( struct cbl_perform_tgt_t *tgt ) { SHOW_PARSE_TEXT(" cbl_perform_tgt_t is at") char ach[32]; - sprintf(ach, " %p", (void*)tgt); + sprintf(ach, " %p", static_cast<void*>(tgt)); SHOW_PARSE_TEXT(ach); SHOW_PARSE_LABEL(" ", tgt->from()) if( tgt->to() ) @@ -7947,7 +8296,7 @@ parser_perform_start( struct cbl_perform_tgt_t *tgt ) // Give GDB-COBOL something to chew on when NEXTing. This instruction will // get the line number of the PERFORM N TIMES code. gg_append_statement(tgt->addresses.top.label); - gg_assign(var_decl_nop, build_int_cst_type(INT, 104)); + insert_nop(104); } void @@ -7959,7 +8308,7 @@ parser_perform_conditional( struct cbl_perform_tgt_t *tgt ) SHOW_PARSE_HEADER SHOW_PARSE_TEXT(" cbl_perform_tgt_t is at") char ach[32]; - sprintf(ach, " %p", (void*)tgt); + sprintf(ach, " %p", static_cast<void*>(tgt)); SHOW_PARSE_TEXT(ach); SHOW_PARSE_END } @@ -8009,7 +8358,7 @@ parser_perform_conditional_end( struct cbl_perform_tgt_t *tgt ) SHOW_PARSE_HEADER SHOW_PARSE_TEXT(" cbl_perform_tgt_t is at") char ach[32]; - sprintf(ach, " %p", (void*)tgt); + sprintf(ach, " %p", static_cast<void*>(tgt)); SHOW_PARSE_TEXT(ach); SHOW_PARSE_END } @@ -8099,6 +8448,7 @@ perform_outofline_before_until(struct cbl_perform_tgt_t *tgt, sprintf(ach, "_procretb." HOST_SIZE_T_PRINT_DEC ":", (fmt_size_t)our_pseudo_label); + token_location_override(current_location_minus_one()); gg_insert_into_assembler( ach ); } @@ -8162,6 +8512,7 @@ perform_outofline_after_until(struct cbl_perform_tgt_t *tgt, sprintf(ach, "_procretb." HOST_SIZE_T_PRINT_DEC ":", (fmt_size_t)our_pseudo_label); + token_location_override(current_location_minus_one()); gg_insert_into_assembler( ach ); } @@ -8282,6 +8633,7 @@ perform_outofline_testafter_varying(struct cbl_perform_tgt_t *tgt, sprintf(ach, "_procretb." HOST_SIZE_T_PRINT_DEC ":", (fmt_size_t)our_pseudo_label); + token_location_override(current_location_minus_one()); gg_insert_into_assembler( ach ); } @@ -8425,6 +8777,7 @@ perform_outofline_before_varying( struct cbl_perform_tgt_t *tgt, sprintf(ach, "_procretb." HOST_SIZE_T_PRINT_DEC ":", (fmt_size_t)our_pseudo_label); + token_location_override(current_location_minus_one()); gg_insert_into_assembler( ach ); } @@ -8504,8 +8857,6 @@ perform_inline_until( struct cbl_perform_tgt_t *tgt, GOTO TOP EXIT: */ - gg_set_current_line_number(cobol_location().last_line); - gg_append_statement(tgt->addresses.test.label); // Go to where the conditional is recalculated.... @@ -8620,8 +8971,6 @@ perform_inline_testbefore_varying( struct cbl_perform_tgt_t *tgt, parser_move(varys[i].varying, varys[i].from); } - gg_set_current_line_number(cobol_location().last_line); - // Lay down the testing cycle: for(size_t i=0; i<N; i++) { @@ -8933,7 +9282,7 @@ parser_perform_until( struct cbl_perform_tgt_t *tgt, SHOW_PARSE_HEADER SHOW_PARSE_TEXT(" cbl_perform_tgt_t is at") char ach[32]; - sprintf(ach, " %p", (void*)tgt); + sprintf(ach, " %p", static_cast<void*>(tgt)); SHOW_PARSE_TEXT(ach); SHOW_PARSE_LABEL(" ", tgt->from()) if( tgt->to() ) @@ -8943,9 +9292,6 @@ parser_perform_until( struct cbl_perform_tgt_t *tgt, SHOW_PARSE_END } - gg_set_current_line_number(cobol_location().last_line); - gg_assign(var_decl_nop, build_int_cst_type(INT, 105)); - if( tgt->from()->type != LblLoop ) { perform_outofline( tgt, test_before, N, varys); @@ -9012,10 +9358,6 @@ parser_perform_inline_times(struct cbl_perform_tgt_t *tgt, gg_append_statement( tgt->addresses.testA.label ); gg_append_statement( tgt->addresses.test.label ); - // AT this point, we want to set the line_number to the location of the - // END-PERFORM statement. - gg_set_current_line_number(cobol_location().last_line); - gg_decrement(counter); // Do the test: IF( counter, gt_op, gg_cast(LONG, integer_zero_node) ) @@ -9046,8 +9388,6 @@ parser_perform_inline_times(struct cbl_perform_tgt_t *tgt, SHOW_PARSE_END } - int stash = gg_get_current_line_number(); - gg_set_current_line_number(tgt->addresses.line_number_of_setup_code); gg_append_statement( tgt->addresses.setup.label ); // Get the count: @@ -9078,8 +9418,6 @@ parser_perform_inline_times(struct cbl_perform_tgt_t *tgt, gg_append_statement( tgt->addresses.exit.go_to ); ENDIF - gg_set_current_line_number(stash); - SHOW_PARSE { SHOW_PARSE_INDENT @@ -9768,13 +10106,19 @@ void parser_file_delete( struct cbl_file_t *file, bool /*sequentially*/ ) { Analyze(); + + if( !file ) + { + cbl_internal_error("The file pointer should not be null"); + abort(); // Because cppcheck doesn't recognize [[noerror]] + } + bool sequentially = file->access == file_access_seq_e || file->org == file_sequential_e || file->org == file_line_sequential_e; SHOW_PARSE { SHOW_PARSE_HEADER - if(file) { SHOW_PARSE_TEXT(" "); SHOW_PARSE_TEXT(file->name); @@ -9787,10 +10131,6 @@ parser_file_delete( struct cbl_file_t *file, bool /*sequentially*/ ) SHOW_PARSE_TEXT(" sequentially") } } - else - { - SHOW_PARSE_TEXT(" *file is NULL") - } SHOW_PARSE_END } @@ -9947,8 +10287,8 @@ parser_file_start(struct cbl_file_t *file, // A key has a number of fields for(size_t ifield=0; ifield<file->keys[key_number].nfield; ifield++) { - size_t field_index = file->keys[key_number].fields[ifield]; - cbl_field_t *field = cbl_field_of(symbol_at(field_index)); + size_t nfield = file->keys[key_number].fields[ifield]; + cbl_field_t *field = cbl_field_of(symbol_at(nfield)); combined_length += field->data.capacity; } gg_assign(length, build_int_cst_type(SIZE_T, combined_length)); @@ -9975,7 +10315,7 @@ parser_file_start(struct cbl_file_t *file, static void inspect_tally(bool backward, - cbl_refer_t identifier_1, + const cbl_refer_t &identifier_1, cbl_inspect_opers_t& identifier_2) { Analyze(); @@ -10175,8 +10515,8 @@ inspect_tally(bool backward, static void inspect_replacing(int backward, - cbl_refer_t identifier_1, - cbl_inspect_opers_t& operations) + const cbl_refer_t &identifier_1, + cbl_inspect_opers_t &operations) { Analyze(); // This is an INSPECT FORMAT 2 @@ -10516,7 +10856,7 @@ parser_intrinsic_numval_c( cbl_field_t *f, void parser_intrinsic_subst( cbl_field_t *f, - cbl_refer_t& ref1, + const cbl_refer_t& ref1, size_t argc, cbl_substitute_t * argv ) { @@ -10541,7 +10881,9 @@ parser_intrinsic_subst( cbl_field_t *f, sv_is_i_o = true; store_location_stuff("SUBSTITUTE"); - unsigned char *control_bytes = (unsigned char *)xmalloc(argc * sizeof(unsigned char)); + unsigned char *control_bytes = + static_cast<unsigned char *>(xmalloc(argc * sizeof(unsigned char))); + gcc_assert(control_bytes); std::vector<cbl_refer_t> arg1(argc); std::vector<cbl_refer_t> arg2(argc); @@ -10978,7 +11320,9 @@ static void create_lsearch_address_pairs(struct cbl_label_t *name) { // Create the lsearch structure - name->structs.lsearch = (cbl_lsearch_t *)xmalloc(sizeof(cbl_lsearch_t)); + name->structs.lsearch = + static_cast<cbl_lsearch_t *>(xmalloc(sizeof(cbl_lsearch_t))); + gcc_assert(name->structs.lsearch); cbl_lsearch_t *lsearch = name->structs.lsearch; gg_create_goto_pair(&lsearch->addresses.at_exit.go_to, @@ -11228,7 +11572,9 @@ parser_bsearch_start( cbl_label_t* name, } // We need a cbl_bsearch_t structure: - name->structs.bsearch = (cbl_bsearch_t *)xmalloc(sizeof(cbl_bsearch_t)); + name->structs.bsearch = + static_cast<cbl_bsearch_t *>(xmalloc(sizeof(cbl_bsearch_t))); + gcc_assert(name->structs.bsearch); cbl_bsearch_t *bsearch = name->structs.bsearch; // Create the address/label pairs we need @@ -11261,6 +11607,8 @@ parser_bsearch_start( cbl_label_t* name, current = parent_of(current); } + CHECK_FIELD(current); + // There are a number of things we learn from the field "current" // We get the index: @@ -11373,7 +11721,6 @@ is_ascending_key(const cbl_refer_t& key) bool retval = true; cbl_field_t *family_tree = key.field; - gcc_assert(family_tree); while( family_tree ) { if( family_tree->occurs.nkey ) @@ -11382,7 +11729,10 @@ is_ascending_key(const cbl_refer_t& key) } family_tree = parent_of(family_tree); } + + CHECK_FIELD(family_tree); gcc_assert(family_tree->occurs.nkey); + for(size_t i=0; i<family_tree->occurs.nkey; i++) { for(size_t j=0; j<family_tree->occurs.keys[i].field_list.nfield; j++) @@ -11542,8 +11892,12 @@ parser_sort(cbl_refer_t tableref, return n + key.fields.size(); } ); typedef const cbl_field_t * const_field_t; - const_field_t *flattened_fields = (const_field_t *)xmalloc(total_keys * sizeof(cbl_field_t *)); - size_t *flattened_ascending = (size_t *)xmalloc(total_keys * sizeof(size_t)); + const_field_t *flattened_fields = + static_cast<const_field_t *>(xmalloc(total_keys * sizeof(cbl_field_t *))); + gcc_assert(flattened_fields); + size_t *flattened_ascending = + static_cast<size_t *>(xmalloc(total_keys * sizeof(size_t))); + gcc_assert(flattened_ascending); size_t key_index = 0; for( size_t i=0; i<keys.size(); i++ ) @@ -11679,8 +12033,12 @@ parser_file_sort( cbl_file_t *workfile, return n + key.fields.size(); } ); typedef const cbl_field_t * const_field_t; - auto flattened_fields = (const_field_t *)xmalloc(total_keys * sizeof(cbl_field_t *)); - size_t *flattened_ascending = (size_t *) xmalloc(total_keys * sizeof(size_t)); + auto flattened_fields + = static_cast<const_field_t *>(xmalloc(total_keys * sizeof(cbl_field_t *))); + gcc_assert(flattened_fields); + size_t *flattened_ascending = + static_cast<size_t *>(xmalloc(total_keys * sizeof(size_t))); + gcc_assert(flattened_ascending); size_t key_index = 0; for( size_t i=0; i<keys.size(); i++ ) @@ -11839,7 +12197,9 @@ parser_return_start( cbl_file_t *workfile, cbl_refer_t into ) // We assume that workfile is open. - workfile->addresses = (cbl_sortreturn_t *)xmalloc(sizeof(cbl_sortreturn_t)); + workfile->addresses = static_cast<cbl_sortreturn_t *> + (xmalloc(sizeof(cbl_sortreturn_t))); + gcc_assert(workfile->addresses); gg_create_goto_pair(&workfile->addresses->at_end.go_to, &workfile->addresses->at_end.label); gg_create_goto_pair(&workfile->addresses->not_at_end.go_to, @@ -12025,9 +12385,13 @@ parser_file_merge( cbl_file_t *workfile, return i + key.fields.size(); } ); typedef const cbl_field_t * const_field_t; - const_field_t *flattened_fields = (const_field_t *)xmalloc(total_keys * sizeof(cbl_field_t *)); + const_field_t *flattened_fields + = static_cast<const_field_t *> + (xmalloc(total_keys * sizeof(cbl_field_t *))); + gcc_assert(flattened_fields); size_t *flattened_ascending - = (size_t *)xmalloc(total_keys * sizeof(size_t)); + = static_cast<size_t *>(xmalloc(total_keys * sizeof(size_t))); + gcc_assert(flattened_ascending); size_t key_index = 0; for( size_t i=0; i<keys.size(); i++ ) @@ -12041,8 +12405,9 @@ parser_file_merge( cbl_file_t *workfile, } // Create the array of cbl_field_t pointers for the keys - tree all_keys = gg_array_of_field_pointers(total_keys, - const_cast<cbl_field_t**>(flattened_fields)); + tree all_keys = gg_array_of_field_pointers( + total_keys, + const_cast<cbl_field_t**>(flattened_fields)); // Create the array of integers that are the flags for ASCENDING: tree ascending = gg_array_of_size_t(total_keys, flattened_ascending); @@ -12066,6 +12431,9 @@ parser_file_merge( cbl_file_t *workfile, ELSE ENDIF + const cbl_enabled_exceptions_t& + enabled_exceptions( cdf_enabled_exceptions() ); + for(size_t i=0; i<ninputs; i++) { if( process_this_exception(ec_sort_merge_file_open_e) ) @@ -12223,7 +12591,8 @@ parser_string_overflow( cbl_label_t *name ) */ name->structs.unstring - = (cbl_unstring_t *)xmalloc(sizeof(struct cbl_unstring_t) ); + = static_cast<cbl_unstring_t *>(xmalloc(sizeof(struct cbl_unstring_t))); + gcc_assert(name->structs.unstring); // Set up the address pairs for this clause gg_create_goto_pair(&name->structs.unstring->over.go_to, @@ -12282,8 +12651,8 @@ parser_unstring(cbl_refer_t src, } std::vector<cbl_refer_t> delims(ndelimited); - char *alls = (char *)xmalloc(ndelimited+1); - + char *alls = static_cast<char *>(xmalloc(ndelimited+1)); + gcc_assert(alls); for(size_t i=0; i<ndelimited; i++) { delims[i] = delimiteds[i]; @@ -12374,7 +12743,8 @@ parser_string(const cbl_refer_t& tgt, } // We need an array of nsource+1 integers: - size_t *integers = (size_t *)xmalloc((nsource+1)*sizeof(size_t)); + size_t *integers = static_cast<size_t *>(xmalloc((nsource+1)*sizeof(size_t))); + gcc_assert(integers); // Count up how many treeplets we are going to need: size_t cblc_count = 2; // tgt and pointer @@ -12465,8 +12835,9 @@ parser_call_exception( cbl_label_t *name ) } name->structs.call_exception - = (cbl_call_exception_t *)xmalloc(sizeof(struct cbl_call_exception_t) ); - + = static_cast<cbl_call_exception_t *> + (xmalloc(sizeof(struct cbl_call_exception_t))); + gcc_assert(name->structs.call_exception); // Set up the address pairs for this clause gg_create_goto_pair(&name->structs.call_exception->over.go_to, &name->structs.call_exception->over.label); @@ -12526,8 +12897,10 @@ create_and_call(size_t narg, if(narg) { - arguments = (tree *)xmalloc(2*narg * sizeof(tree)); - allocated = (int * )xmalloc(narg * sizeof(int)); + arguments = static_cast<tree *>(xmalloc(2*narg * sizeof(tree))); + gcc_assert(arguments); + allocated = static_cast<int *>(xmalloc(narg * sizeof(int))); + gcc_assert(allocated); } // Put the arguments onto the "stack" of calling parameters: @@ -12759,7 +13132,7 @@ create_and_call(size_t narg, // Fetch the FUNCTION_DECL for that FUNCTION_TYPE tree function_decl = gg_build_fn_decl(funcname, fndecl_type); set_call_convention(function_decl, current_call_convention()); - + // Take the address of the function decl: tree address_of_function = gg_get_address_of(function_decl); @@ -12771,7 +13144,7 @@ create_and_call(size_t narg, parser_call_target( funcname, assigment ); // Create the call_expr from that address - call_expr = build_call_array_loc( location_from_lineno(), + call_expr = build_call_array_loc( gg_token_location(), returned_value_type, address_of_function, narg, @@ -13510,9 +13883,9 @@ parser_program_hierarchy( const cbl_prog_hier_t& hier ) // are also accessible by us. Go find them. std::vector<const hier_node *>uncles; find_uncles(nodes[i], uncles); - for( size_t i=0; i<uncles.size(); i++ ) + for( size_t j=0; j<uncles.size(); j++ ) { - const hier_node *uncle = uncles[i]; + const hier_node *uncle = uncles[j]; if( map_of_sets[caller].find(uncle->name) == map_of_sets[caller].end() ) { // We have a COMMON uncle or sibling we haven't seen before. @@ -13550,7 +13923,6 @@ parser_program_hierarchy( const cbl_prog_hier_t& hier ) if( callers.find(caller) == callers.end() ) { // We haven't seen this caller before - callers.insert(caller); char ach[3*sizeof(cbl_name_t)]; tree names_table_type = build_array_type_nelts(CHAR_P, mol->second.size()+1); @@ -13617,6 +13989,8 @@ parser_program_hierarchy( const cbl_prog_hier_t& hier ) (fmt_size_t)caller); tree accessible_programs_decl = gg_trans_unit_var_decl(ach); gg_assign( accessible_programs_decl, gg_get_address_of(the_constructed_table) ); + + callers.insert(caller); } } } @@ -13734,7 +14108,7 @@ parser_check_fatal_exception() // in its innermost loop had an execution time of 19.5 seconds. By putting in // the if() statement, that was reduced to 3.8 seconds. - if( enabled_exceptions.size() || sv_is_i_o ) + if( cdf_enabled_exceptions().size() || sv_is_i_o ) { gg_call(VOID, "__gg__check_fatal_exception", @@ -13882,9 +14256,9 @@ conditional_abs(tree source, const cbl_field_t *field) } static bool -mh_identical(cbl_refer_t &destref, - cbl_refer_t &sourceref, - TREEPLET &tsource) +mh_identical(const cbl_refer_t &destref, + const cbl_refer_t &sourceref, + const TREEPLET &tsource) { // Check to see if the two variables are identical types, thus allowing // for a simple byte-for-byte copy of the data areas: @@ -13906,7 +14280,7 @@ mh_identical(cbl_refer_t &destref, ) { // The source and destination are identical in type - if( (sourceref.field->attr & intermediate_e) || !symbol_find_odo(sourceref.field) ) + if( !symbol_find_odo(sourceref.field) ) { Analyze(); // Source doesn't have a depending_on clause @@ -14224,7 +14598,7 @@ float_type_of(const cbl_field_t *field) } static tree -float_type_of(cbl_refer_t *refer) +float_type_of(const cbl_refer_t *refer) { return float_type_of(refer->field); } @@ -14456,7 +14830,7 @@ picky_memset(tree &dest_p, unsigned char value, size_t length) } static void -picky_memcpy(tree &dest_p, tree &source_p, size_t length) +picky_memcpy(tree &dest_p, const tree &source_p, size_t length) { if( length ) { @@ -14475,10 +14849,10 @@ picky_memcpy(tree &dest_p, tree &source_p, size_t length) } static bool -mh_numeric_display( cbl_refer_t &destref, - cbl_refer_t &sourceref, - TREEPLET &tsource, - tree size_error) +mh_numeric_display( const cbl_refer_t &destref, + const cbl_refer_t &sourceref, + const TREEPLET &tsource, + tree size_error) { bool moved = false; @@ -14964,11 +15338,11 @@ mh_numeric_display( cbl_refer_t &destref, } static bool -mh_little_endian( cbl_refer_t &destref, - cbl_refer_t &sourceref, - TREEPLET &tsource, - bool check_for_error, - tree size_error) +mh_little_endian( const cbl_refer_t &destref, + const cbl_refer_t &sourceref, + const TREEPLET &tsource, + bool check_for_error, + tree size_error) { bool moved = false; @@ -15036,9 +15410,9 @@ mh_little_endian( cbl_refer_t &destref, } static bool -mh_source_is_group( cbl_refer_t &destref, - cbl_refer_t &sourceref, - TREEPLET &tsrc) +mh_source_is_group( const cbl_refer_t &destref, + const cbl_refer_t &sourceref, + const TREEPLET &tsrc) { bool retval = false; if( sourceref.field->type == FldGroup && !(destref.field->attr & rjust_e) ) @@ -15103,7 +15477,7 @@ move_helper(tree size_error, // This is an INT { // We are creating a copy of the original destination in case we clobber it // and have to restore it because of a computational error. - bool first_time = true; + static bool first_time = true; static size_t stash_size = 1024; if( first_time ) { @@ -15128,7 +15502,7 @@ move_helper(tree size_error, // This is an INT //goto dont_be_clever; this will go through to the default. } - if( !moved ) + // if( !moved ) // commented out to quiet cppcheck { moved = mh_source_is_group(destref, sourceref, tsource); } @@ -15197,8 +15571,9 @@ move_helper(tree size_error, // This is an INT if( buffer_size < source_length ) { buffer_size = source_length; - buffer = (char *)xrealloc(buffer, buffer_size); + buffer = static_cast<char *>(xrealloc(buffer, buffer_size)); } + gcc_assert(buffer); if( figconst ) { @@ -15341,7 +15716,7 @@ move_helper(tree size_error, // This is an INT gg_attribute_bit_clear(destref.field, refmod_e); } - moved = true; + // moved = true; // commented out to quiet cppcheck } if( restore_on_error ) @@ -15472,7 +15847,8 @@ binary_initial_from_float128(cbl_field_t *field, int rdigits, FIXED_WIDE_INT(128) i = FIXED_WIDE_INT(128)::from (real_to_integer (&value, &fail, 128), SIGNED); - retval = (char *)xmalloc(field->data.capacity); + retval = static_cast<char *>(xmalloc(field->data.capacity)); + gcc_assert(retval); switch(field->data.capacity) { tree type; @@ -15483,7 +15859,7 @@ binary_initial_from_float128(cbl_field_t *field, int rdigits, case 16: type = build_nonstandard_integer_type ( field->data.capacity * BITS_PER_UNIT, 0); - native_encode_wide_int (type, i, (unsigned char *)retval, + native_encode_wide_int (type, i, PTRCAST(unsigned char, retval), field->data.capacity); break; default: @@ -15613,7 +15989,8 @@ initial_from_initial(cbl_field_t *field) } if( set_return ) { - retval = (char *)xmalloc(field->data.capacity+1); + retval = static_cast<char *>(xmalloc(field->data.capacity+1)); + gcc_assert(retval); memset(retval, const_char, field->data.capacity); retval[field->data.capacity] = '\0'; return retval; @@ -15683,7 +16060,8 @@ initial_from_initial(cbl_field_t *field) case FldNumericDisplay: { - retval = (char *)xmalloc(field->data.capacity); + retval = static_cast<char *>(xmalloc(field->data.capacity)); + gcc_assert(retval); char *pretval = retval; char ach[128]; @@ -15763,7 +16141,8 @@ initial_from_initial(cbl_field_t *field) case FldPacked: { - retval = (char *)xmalloc(field->data.capacity); + retval = static_cast<char *>(xmalloc(field->data.capacity)); + gcc_assert(retval); char *pretval = retval; char ach[128]; @@ -15830,7 +16209,8 @@ initial_from_initial(cbl_field_t *field) { if( field->data.initial ) { - retval = (char *)xmalloc(field->data.capacity+1); + retval = static_cast<char *>(xmalloc(field->data.capacity+1)); + gcc_assert(retval); if( field->attr & hex_encoded_e) { memcpy(retval, field->data.initial, field->data.capacity); @@ -15838,7 +16218,7 @@ initial_from_initial(cbl_field_t *field) else { size_t buffer_size = 0; - size_t length = (size_t)field->data.capacity; + size_t length = field->data.capacity; memset(retval, internal_space, length); raw_to_internal(&retval, &buffer_size, field->data.initial, length); if( strlen(field->data.initial) < length ) @@ -15854,7 +16234,8 @@ initial_from_initial(cbl_field_t *field) case FldNumericEdited: { - retval = (char *)xmalloc(field->data.capacity+1); + retval = static_cast<char *>(xmalloc(field->data.capacity+1)); + gcc_assert(retval); if( field->data.initial && field->attr & quoted_e ) { // What the programmer says the value is, the value becomes, no @@ -15889,7 +16270,6 @@ initial_from_initial(cbl_field_t *field) char ach[128]; memset(ach, 0, sizeof(ach)); memset(retval, 0, field->data.capacity); - size_t ndigits = field->data.capacity; if( (field->attr & blank_zero_e) && real_iszero (&value) ) { @@ -15897,6 +16277,7 @@ initial_from_initial(cbl_field_t *field) } else { + size_t ndigits = field->data.capacity; digits_from_float128(ach, field, ndigits, rdigits, value); /* ??? This resides in libgcobol valconv.cc. */ __gg__string_to_numeric_edited( retval, @@ -15911,23 +16292,24 @@ initial_from_initial(cbl_field_t *field) case FldFloat: { - retval = (char *)xmalloc(field->data.capacity); + retval = static_cast<char *>(xmalloc(field->data.capacity)); + gcc_assert(retval); switch( field->data.capacity ) { case 4: value = real_value_truncate (TYPE_MODE (FLOAT), value); native_encode_real (SCALAR_FLOAT_TYPE_MODE (FLOAT), &value, - (unsigned char *)retval, 4, 0); + PTRCAST(unsigned char, retval), 4, 0); break; case 8: value = real_value_truncate (TYPE_MODE (DOUBLE), value); native_encode_real (SCALAR_FLOAT_TYPE_MODE (DOUBLE), &value, - (unsigned char *)retval, 8, 0); + PTRCAST(unsigned char, retval), 8, 0); break; case 16: value = real_value_truncate (TYPE_MODE (FLOAT128), value); native_encode_real (SCALAR_FLOAT_TYPE_MODE (FLOAT128), &value, - (unsigned char *)retval, 16, 0); + PTRCAST(unsigned char, retval), 16, 0); break; } break; @@ -16313,12 +16695,13 @@ psa_FldLiteralA(struct cbl_field_t *field ) // First make room static size_t buffer_size = 1024; - static char *buffer = (char *)xmalloc(buffer_size); + static char *buffer = static_cast<char *>(xmalloc(buffer_size)); if( buffer_size < field->data.capacity+1 ) { buffer_size = field->data.capacity+1; - buffer = (char *)xrealloc(buffer, buffer_size); + buffer = static_cast<char *>(xrealloc(buffer, buffer_size)); } + gcc_assert(buffer); cbl_figconst_t figconst = cbl_figconst_of( field->data.initial ); gcc_assert(figconst == normal_value_e); @@ -16373,7 +16756,7 @@ psa_FldLiteralA(struct cbl_field_t *field ) vs_file_static); } else -#endif +#endif { // We have not seen that string before static int nvar = 0; @@ -16387,9 +16770,9 @@ psa_FldLiteralA(struct cbl_field_t *field ) vs_file_static); actually_create_the_static_field( field, - build_string_literal(field->data.capacity+1, + build_string_literal(field->data.capacity, buffer), - field->data.capacity+1, + field->data.capacity, field->data.initial, NULL_TREE, field->var_decl_node); @@ -16417,6 +16800,8 @@ parser_local_add(struct cbl_field_t *new_var ) SHOW_PARSE_END } + CHECK_FIELD(new_var); + IF( member(new_var->var_decl_node, "data"), ne_op, gg_cast(UCHAR_P, null_pointer_node) ) @@ -16473,8 +16858,8 @@ parser_symbol_add(struct cbl_field_t *new_var ) } while(0); - fprintf(stderr, " %2.2d %s<%s> off:" HOST_SIZE_T_PRINT_DEC " " - "msiz:%d cap:%d dig:%d rdig:%d attr:0x" HOST_SIZE_T_PRINT_HEX_PURE " loc:%p", + fprintf(stderr, " %2.2u %s<%s> off:" HOST_SIZE_T_PRINT_UNSIGNED " " + "msiz:%u cap:%u dig:%u rdig:%d attr:0x" HOST_SIZE_T_PRINT_HEX_PURE " loc:%p", new_var->level, new_var->name, cbl_field_type_str(new_var->type), @@ -16484,7 +16869,7 @@ parser_symbol_add(struct cbl_field_t *new_var ) new_var->data.digits, new_var->data.rdigits, (fmt_size_t)new_var->attr, - (void*)new_var); + static_cast<void*>(new_var)); if( is_table(new_var) ) { @@ -16524,7 +16909,7 @@ parser_symbol_add(struct cbl_field_t *new_var ) { fprintf(stderr, " redefines:(%p)%s", - (void*)symbol_redefines(new_var), + static_cast<void*>(symbol_redefines(new_var)), symbol_redefines(new_var)->name); } @@ -16624,10 +17009,12 @@ parser_symbol_add(struct cbl_field_t *new_var ) TRACE1_TEXT_ABC(" (", cbl_field_type_str(new_var->type) ,")") if( new_var->type == FldLiteralN) { + const void *p1 = (new_var->data.initial); + const long *pldata = static_cast<const long *>(p1); + long ldata = *pldata; gg_fprintf( trace_handle, 1, " [%ld]", - build_int_cst_type(LONG, - *(const long *)new_var->data.initial)); + build_int_cst_type(LONG, ldata)); } TRACE1_END } |