int main(int argc, char *argv[]) { const char *program = rasqal_basename(argv[0]); rasqal_rowsource *rowsource = NULL; rasqal_world* world = NULL; rasqal_query* query = NULL; raptor_sequence* row_seq = NULL; raptor_sequence* expr_args_seq = NULL; int failures = 0; rasqal_variables_table* vt; rasqal_rowsource *input_rs = NULL; raptor_sequence* vars_seq = NULL; raptor_sequence* exprs_seq = NULL; int test_id; world = rasqal_new_world(); if(!world || rasqal_world_open(world)) { fprintf(stderr, "%s: rasqal_world init failed\n", program); return(1); } query = rasqal_new_query(world, "sparql", NULL); vt = query->vars_table; for(test_id = 0; test_id < AGGREGATION_TESTS_COUNT; test_id++) { int input_vars_count = test_data[test_id].input_vars; int output_rows_count = test_data[test_id].output_rows; int output_vars_count = test_data[test_id].output_vars; const int* input_group_ids = test_data[test_id].group_ids; const int* result_int_data = test_data[test_id].result_data; const char* const* result_string_data = test_data[test_id].result_string_data; rasqal_op op = test_data[test_id].op; raptor_sequence* seq = NULL; int count; int size; int i; char* output_var_name; rasqal_variable* output_var; rasqal_expression* expr; int output_row_size = (input_vars_count + output_vars_count); if(output_vars_count != 1) { fprintf(stderr, "%s: test %d expects %d variables which is not supported. Test skipped\n", program, test_id, output_vars_count); failures++; goto tidy; } row_seq = rasqal_new_row_sequence(world, vt, test_data[test_id].data, test_data[test_id].input_vars, &vars_seq); if(row_seq) { for(i = 0; i < test_data[test_id].input_rows; i++) { rasqal_row* row = (rasqal_row*)raptor_sequence_get_at(row_seq, i); row->group_id = input_group_ids[i]; } input_rs = rasqal_new_rowsequence_rowsource(world, query, vt, row_seq, vars_seq); /* vars_seq and row_seq are now owned by input_rs */ vars_seq = row_seq = NULL; } if(!input_rs) { fprintf(stderr, "%s: failed to create rowsequence rowsource\n", program); failures++; goto tidy; } expr_args_seq = raptor_new_sequence((raptor_data_free_handler)rasqal_free_expression, (raptor_data_print_handler)rasqal_expression_print); if(test_data[test_id].expr_agg_vars[0] != NULL) { int vindex; const unsigned char* var_name; for(vindex = 0; (var_name = (const unsigned char*)test_data[test_id].expr_agg_vars[vindex] ); vindex++) { rasqal_variable* v; rasqal_literal *l = NULL; rasqal_expression* e = NULL; v = rasqal_variables_table_get_by_name(vt, var_name); if(v) l = rasqal_new_variable_literal(world, v); if(l) e = rasqal_new_literal_expression(world, l); if(e) raptor_sequence_push(expr_args_seq, e); else { fprintf(stderr, "%s: failed to create variable %s\n", program, (const char*)var_name); failures++; goto tidy; } } } /* if vars */ output_var_name = (char*)RASQAL_MALLOC(cstring, 5); memcpy(output_var_name, "fake", 5); output_var = rasqal_variables_table_add(vt, RASQAL_VARIABLE_TYPE_ANONYMOUS, (const unsigned char*)output_var_name, NULL); expr = make_test_expr(world, expr_args_seq, op); /* expr_args_seq is now owned by expr */ expr_args_seq = NULL; exprs_seq = raptor_new_sequence((raptor_data_free_handler)rasqal_free_expression, (raptor_data_print_handler)rasqal_expression_print); raptor_sequence_push(exprs_seq, expr); /* expr is now owned by exprs_seq */ expr = NULL; vars_seq = raptor_new_sequence((raptor_data_free_handler)rasqal_free_variable, (raptor_data_print_handler)rasqal_variable_print); output_var = rasqal_new_variable_from_variable(output_var); raptor_sequence_push(vars_seq, output_var); rowsource = rasqal_new_aggregation_rowsource(world, query, input_rs, exprs_seq, vars_seq); /* exprs_seq, vars_seq and input_rs are now owned by rowsource */ exprs_seq = NULL; vars_seq = NULL; input_rs = NULL; if(!rowsource) { fprintf(stderr, "%s: failed to create aggregation rowsource\n", program); failures++; goto tidy; } /* Test the rowsource */ seq = rasqal_rowsource_read_all_rows(rowsource); if(!seq) { fprintf(stderr, "%s: test %d rasqal_rowsource_read_all_rows() returned a NULL seq for a aggregation rowsource\n", program, test_id); failures++; goto tidy; } count = raptor_sequence_size(seq); if(count != output_rows_count) { fprintf(stderr, "%s: test %d rasqal_rowsource_read_all_rows() returned %d rows for a aggregation rowsource, expected %d\n", program, test_id, count, output_rows_count); failures++; goto tidy; } size = rasqal_rowsource_get_size(rowsource); if(size != output_row_size) { fprintf(stderr, "%s: test %d rasqal_rowsource_get_size() returned %d columns (variables) for a aggregation rowsource, expected %d\n", program, test_id, size, output_row_size); failures++; goto tidy; } if(result_int_data) { for(i = 0; i < output_rows_count; i++) { rasqal_row* row = (rasqal_row*)raptor_sequence_get_at(seq, i); rasqal_literal* value; int integer; int expected_integer = result_int_data[i]; int vc; if(row->size != output_row_size) { fprintf(stderr, "%s: test %d row #%d is size %d expected %d\n", program, test_id, i, row->size, output_row_size); failures++; goto tidy; } /* Expected variable ordering in output row is: * {input vars} {output_vars} */ for(vc = 0; vc < output_vars_count; vc++) { rasqal_variable* row_var; int offset = input_vars_count + vc; row_var = rasqal_rowsource_get_variable_by_offset(rowsource, offset); value = row->values[offset]; if(!value) { fprintf(stderr, "%s: test %d row #%d %s value #%d result is NULL\n", program, test_id, i, row_var->name, vc); failures++; goto tidy; } if(value->type != RASQAL_LITERAL_INTEGER) { fprintf(stderr, "%s: test %d row #%d %s value #%d result is type %s expected integer\n", program, test_id, i, row_var->name, vc, rasqal_literal_type_label(value->type)); failures++; goto tidy; } integer = rasqal_literal_as_integer(value, NULL); if(integer != expected_integer) { fprintf(stderr, "%s: test %d row #%d %s value #%d result is %d expected %d\n", program, test_id, i, row_var->name, vc, integer, expected_integer); failures++; goto tidy; } } } } if(result_string_data) { for(i = 0; i < output_rows_count; i++) { rasqal_row* row = (rasqal_row*)raptor_sequence_get_at(seq, i); rasqal_literal* value; const unsigned char* str; const char* expected_string = result_string_data[i]; int vc; if(row->size != output_row_size) { fprintf(stderr, "%s: test %d row #%d is size %d expected %d\n", program, test_id, i, row->size, output_row_size); failures++; goto tidy; } /* Expected variable ordering in output row is: * {input vars} {output_vars} */ for(vc = 0; vc < output_vars_count; vc++) { rasqal_variable* row_var; int offset = input_vars_count + vc; row_var = rasqal_rowsource_get_variable_by_offset(rowsource, offset); value = row->values[offset]; if(!value) { fprintf(stderr, "%s: test %d row #%d %s value #%d result is NULL\n", program, test_id, i, row_var->name, vc); failures++; goto tidy; } if(value->type != RASQAL_LITERAL_STRING) { fprintf(stderr, "%s: test %d row #%d %s value #%d is type %s expected integer\n", program, test_id, i, row_var->name, vc, rasqal_literal_type_label(value->type)); failures++; goto tidy; } str = rasqal_literal_as_string(value); if(strcmp((const char*)str, expected_string)) { fprintf(stderr, "%s: test %d row #%d %s value #%d is %s expected %s\n", program, test_id, i, row_var->name, vc, str, expected_string); failures++; goto tidy; } } } } #ifdef RASQAL_DEBUG rasqal_rowsource_print_row_sequence(rowsource, seq, stderr); #endif raptor_free_sequence(seq); seq = NULL; rasqal_free_rowsource(rowsource); rowsource = NULL; if(expr_args_seq) raptor_free_sequence(expr_args_seq); expr_args_seq = NULL; } tidy: if(exprs_seq) raptor_free_sequence(exprs_seq); if(vars_seq) raptor_free_sequence(vars_seq); if(expr_args_seq) raptor_free_sequence(expr_args_seq); if(rowsource) rasqal_free_rowsource(rowsource); if(input_rs) rasqal_free_rowsource(input_rs); if(query) rasqal_free_query(query); if(world) rasqal_free_world(world); return failures; }
/** * rasqal_expression_evaluate2: * @e: The expression to evaluate. * @eval_context: expression context * @error_p: pointer to error return flag * * Evaluate a #rasqal_expression tree in the context of a * #rasqal_evaluation_context to give a #rasqal_literal result or error. * * Return value: a #rasqal_literal value or NULL (a valid value). @error_p is set to non-0 on failure. **/ rasqal_literal* rasqal_expression_evaluate2(rasqal_expression* e, rasqal_evaluation_context* eval_context, int *error_p) { rasqal_world *world; int flags; rasqal_literal* result = NULL; rasqal_literal *l1; rasqal_literal *l2; /* pack vars from different switch cases in unions to save some stack space */ union { struct { int e1; int e2; } errs; struct { int dummy_do_not_mask_e; int free_literal; } flags; int e; } errs; union { struct { int b1; int b2; } bools; int b; int i; raptor_uri *dt_uri; const unsigned char *s; unsigned char *new_s; rasqal_variable *v; rasqal_expression *e; struct { void *dummy_do_not_mask; int found; } flags; rasqal_xsd_datetime* dt; struct timeval *tv; raptor_stringbuffer* sb; } vars; RASQAL_ASSERT_OBJECT_POINTER_RETURN_VALUE(e, rasqal_expression, NULL); RASQAL_ASSERT_OBJECT_POINTER_RETURN_VALUE(eval_context, rasqal_evaluation_context, NULL); RASQAL_ASSERT_OBJECT_POINTER_RETURN_VALUE(error_p, intp, NULL); world = eval_context->world; flags = eval_context->flags; errs.e = 0; #ifdef RASQAL_DEBUG RASQAL_DEBUG2("evaluating expression %p: ", e); rasqal_expression_print(e, stderr); fprintf(stderr, "\n"); #endif switch(e->op) { case RASQAL_EXPR_AND: errs.errs.e1 = 0; l1 = rasqal_expression_evaluate2(e->arg1, eval_context, &errs.errs.e1); if(errs.errs.e1) { vars.bools.b1 = 0; } else { vars.bools.b1 = rasqal_literal_as_boolean(l1, &errs.errs.e1); rasqal_free_literal(l1); } errs.errs.e2 = 0; l1 = rasqal_expression_evaluate2(e->arg2, eval_context, &errs.errs.e2); if(errs.errs.e2) { vars.bools.b2 = 0; } else { vars.bools.b2 = rasqal_literal_as_boolean(l1, &errs.errs.e2); rasqal_free_literal(l1); } /* See http://www.w3.org/TR/2005/WD-rdf-sparql-query-20051123/#truthTable */ if(!errs.errs.e1 && !errs.errs.e2) { /* No type error, answer is A && B */ vars.b = vars.bools.b1 && vars.bools.b2; /* don't need b1,b2 anymore */ } else { if((!vars.bools.b1 && errs.errs.e2) || (errs.errs.e1 && vars.bools.b2)) /* F && E => F. E && F => F. */ vars.b = 0; else /* Otherwise E */ goto failed; } result = rasqal_new_boolean_literal(world, vars.b); break; case RASQAL_EXPR_OR: errs.errs.e1 = 0; l1 = rasqal_expression_evaluate2(e->arg1, eval_context, &errs.errs.e1); if(errs.errs.e1) { vars.bools.b1 = 0; } else { vars.bools.b1 = rasqal_literal_as_boolean(l1, &errs.errs.e1); rasqal_free_literal(l1); } errs.errs.e2 = 0; l1 = rasqal_expression_evaluate2(e->arg2, eval_context, &errs.errs.e2); if(errs.errs.e2) { vars.bools.b2 = 0; } else { vars.bools.b2 = rasqal_literal_as_boolean(l1, &errs.errs.e2); rasqal_free_literal(l1); } /* See http://www.w3.org/TR/2005/WD-rdf-sparql-query-20051123/#truthTable */ if(!errs.errs.e1 && !errs.errs.e2) { /* No type error, answer is A || B */ vars.b = vars.bools.b1 || vars.bools.b2; /* don't need b1,b2 anymore */ } else { if((vars.bools.b1 && errs.errs.e2) || (errs.errs.e1 && vars.bools.b2)) /* T || E => T. E || T => T */ vars.b = 1; else /* Otherwise E */ goto failed; } result = rasqal_new_boolean_literal(world, vars.b); break; case RASQAL_EXPR_EQ: l1 = rasqal_expression_evaluate2(e->arg1, eval_context, error_p); if(*error_p || !l1) goto failed; l2 = rasqal_expression_evaluate2(e->arg2, eval_context, error_p); if(*error_p || !l2) { rasqal_free_literal(l1); goto failed; } /* FIXME - this should probably be checked at literal creation * time */ if(!rasqal_xsd_datatype_check(l1->type, l1->string, flags) || !rasqal_xsd_datatype_check(l2->type, l2->string, flags)) { RASQAL_DEBUG1("One of the literals was invalid\n"); goto failed; } vars.b = (rasqal_literal_equals_flags(l1, l2, flags, &errs.e) != 0); #if RASQAL_DEBUG > 1 if(errs.e) RASQAL_DEBUG1("rasqal_literal_equals_flags returned: FAILURE\n"); else RASQAL_DEBUG2("rasqal_literal_equals_flags returned: %d\n", vars.b); #endif rasqal_free_literal(l1); rasqal_free_literal(l2); if(errs.e) goto failed; result = rasqal_new_boolean_literal(world, vars.b); break; case RASQAL_EXPR_NEQ: l1 = rasqal_expression_evaluate2(e->arg1, eval_context, error_p); if(*error_p || !l1) goto failed; l2 = rasqal_expression_evaluate2(e->arg2, eval_context, error_p); if(*error_p || !l2) { rasqal_free_literal(l1); goto failed; } vars.b = (rasqal_literal_not_equals_flags(l1, l2, flags, &errs.e) != 0); #if RASQAL_DEBUG > 1 if(errs.e) RASQAL_DEBUG1("rasqal_literal_not_equals_flags returned: FAILURE\n"); else RASQAL_DEBUG2("rasqal_literal_not_equals_flags returned: %d\n", vars.b); #endif rasqal_free_literal(l1); rasqal_free_literal(l2); if(errs.e) goto failed; result = rasqal_new_boolean_literal(world, vars.b); break; case RASQAL_EXPR_LT: l1 = rasqal_expression_evaluate2(e->arg1, eval_context, error_p); if(*error_p || !l1) goto failed; l2 = rasqal_expression_evaluate2(e->arg2, eval_context, error_p); if(*error_p || !l2) { rasqal_free_literal(l1); goto failed; } vars.b = (rasqal_literal_compare(l1, l2, flags, &errs.e) < 0); rasqal_free_literal(l1); rasqal_free_literal(l2); if(errs.e) goto failed; result = rasqal_new_boolean_literal(world, vars.b); break; case RASQAL_EXPR_GT: l1 = rasqal_expression_evaluate2(e->arg1, eval_context, error_p); if(*error_p || !l1) goto failed; l2 = rasqal_expression_evaluate2(e->arg2, eval_context, error_p); if(*error_p || !l2) { rasqal_free_literal(l1); goto failed; } vars.b = (rasqal_literal_compare(l1, l2, flags, &errs.e) > 0); rasqal_free_literal(l1); rasqal_free_literal(l2); if(errs.e) goto failed; result = rasqal_new_boolean_literal(world, vars.b); break; case RASQAL_EXPR_LE: l1 = rasqal_expression_evaluate2(e->arg1, eval_context, error_p); if(*error_p || !l1) goto failed; l2 = rasqal_expression_evaluate2(e->arg2, eval_context, error_p); if(*error_p || !l2) { rasqal_free_literal(l1); goto failed; } vars.b = (rasqal_literal_compare(l1, l2, flags, &errs.e) <= 0); rasqal_free_literal(l1); rasqal_free_literal(l2); if(errs.e) goto failed; result = rasqal_new_boolean_literal(world, vars.b); break; case RASQAL_EXPR_GE: l1 = rasqal_expression_evaluate2(e->arg1, eval_context, error_p); if(*error_p || !l1) goto failed; l2 = rasqal_expression_evaluate2(e->arg2, eval_context, error_p); if(*error_p || !l2) { rasqal_free_literal(l1); goto failed; } vars.b = (rasqal_literal_compare(l1, l2, flags, &errs.e) >= 0); rasqal_free_literal(l1); rasqal_free_literal(l2); if(errs.e) goto failed; result = rasqal_new_boolean_literal(world, vars.b); break; case RASQAL_EXPR_UMINUS: l1 = rasqal_expression_evaluate2(e->arg1, eval_context, error_p); if(*error_p || !l1) goto failed; result = rasqal_literal_negate(l1, &errs.e); rasqal_free_literal(l1); if(errs.e) goto failed; break; case RASQAL_EXPR_BOUND: result = rasqal_expression_evaluate_bound(e, eval_context, error_p); break; case RASQAL_EXPR_STR: result = rasqal_expression_evaluate_str(e, eval_context, error_p); break; case RASQAL_EXPR_LANG: result = rasqal_expression_evaluate_lang(e, eval_context, error_p); break; case RASQAL_EXPR_LANGMATCHES: result = rasqal_expression_evaluate_langmatches(e, eval_context, error_p); break; case RASQAL_EXPR_DATATYPE: result = rasqal_expression_evaluate_datatype(e, eval_context, error_p); break; case RASQAL_EXPR_ISURI: case RASQAL_EXPR_ISBLANK: case RASQAL_EXPR_ISLITERAL: case RASQAL_EXPR_ISNUMERIC: result = rasqal_expression_evaluate_istype(e, eval_context, error_p); break; case RASQAL_EXPR_PLUS: l1 = rasqal_expression_evaluate2(e->arg1, eval_context, error_p); if(*error_p || !l1) goto failed; l2 = rasqal_expression_evaluate2(e->arg2, eval_context, error_p); if(*error_p || !l2) { rasqal_free_literal(l1); goto failed; } result = rasqal_literal_add(l1, l2, &errs.e); rasqal_free_literal(l1); rasqal_free_literal(l2); if(errs.e) goto failed; break; case RASQAL_EXPR_MINUS: l1 = rasqal_expression_evaluate2(e->arg1, eval_context, error_p); if(*error_p || !l1) goto failed; l2 = rasqal_expression_evaluate2(e->arg2, eval_context, error_p); if(*error_p || !l2) { rasqal_free_literal(l1); goto failed; } result = rasqal_literal_subtract(l1, l2, &errs.e); rasqal_free_literal(l1); rasqal_free_literal(l2); if(errs.e) goto failed; break; case RASQAL_EXPR_STAR: l1 = rasqal_expression_evaluate2(e->arg1, eval_context, error_p); if(*error_p || !l1) goto failed; l2 = rasqal_expression_evaluate2(e->arg2, eval_context, error_p); if(*error_p || !l2) { rasqal_free_literal(l1); goto failed; } result = rasqal_literal_multiply(l1, l2, &errs.e); rasqal_free_literal(l1); rasqal_free_literal(l2); if(errs.e) goto failed; break; case RASQAL_EXPR_SLASH: l1 = rasqal_expression_evaluate2(e->arg1, eval_context, error_p); if(*error_p || !l1) goto failed; l2 = rasqal_expression_evaluate2(e->arg2, eval_context, error_p); if(*error_p || !l2) { rasqal_free_literal(l1); goto failed; } result = rasqal_literal_divide(l1, l2, &errs.e); rasqal_free_literal(l1); rasqal_free_literal(l2); if(errs.e) goto failed; break; case RASQAL_EXPR_REM: l1 = rasqal_expression_evaluate2(e->arg1, eval_context, error_p); if(*error_p || !l1) goto failed; l2 = rasqal_expression_evaluate2(e->arg2, eval_context, error_p); if(*error_p || !l2) { rasqal_free_literal(l1); goto failed; } vars.i = rasqal_literal_as_integer(l2, &errs.errs.e2); /* error if divisor is zero */ if(!vars.i) errs.errs.e2 = 1; else vars.i = rasqal_literal_as_integer(l1, &errs.errs.e1) % vars.i; rasqal_free_literal(l1); rasqal_free_literal(l2); if(errs.errs.e1 || errs.errs.e2) goto failed; result = rasqal_new_integer_literal(world, RASQAL_LITERAL_INTEGER, vars.i); break; case RASQAL_EXPR_STR_EQ: l1 = rasqal_expression_evaluate2(e->arg1, eval_context, error_p); if(*error_p || !l1) goto failed; l2 = rasqal_expression_evaluate2(e->arg2, eval_context, error_p); if(*error_p || !l2) { rasqal_free_literal(l1); goto failed; } vars.b = (rasqal_literal_compare(l1, l2, flags | RASQAL_COMPARE_NOCASE, &errs.e) == 0); rasqal_free_literal(l1); rasqal_free_literal(l2); if(errs.e) goto failed; result = rasqal_new_boolean_literal(world, vars.b); break; case RASQAL_EXPR_STR_NEQ: l1 = rasqal_expression_evaluate2(e->arg1, eval_context, error_p); if(*error_p || !l1) goto failed; l2 = rasqal_expression_evaluate2(e->arg2, eval_context, error_p); if(*error_p || !l2) { rasqal_free_literal(l1); goto failed; } vars.b = (rasqal_literal_compare(l1, l2, flags | RASQAL_COMPARE_NOCASE, &errs.e) != 0); rasqal_free_literal(l1); rasqal_free_literal(l2); if(errs.e) goto failed; result = rasqal_new_boolean_literal(world, vars.b); break; case RASQAL_EXPR_TILDE: l1 = rasqal_expression_evaluate2(e->arg1, eval_context, error_p); if(*error_p || !l1) goto failed; vars.i= ~ rasqal_literal_as_integer(l1, &errs.e); rasqal_free_literal(l1); if(errs.e) goto failed; result = rasqal_new_integer_literal(world, RASQAL_LITERAL_INTEGER, vars.i); break; case RASQAL_EXPR_BANG: l1 = rasqal_expression_evaluate2(e->arg1, eval_context, error_p); if(*error_p || !l1) goto failed; vars.b = ! rasqal_literal_as_boolean(l1, &errs.e); rasqal_free_literal(l1); if(errs.e) goto failed; result = rasqal_new_boolean_literal(world, vars.b); break; case RASQAL_EXPR_STR_MATCH: case RASQAL_EXPR_STR_NMATCH: case RASQAL_EXPR_REGEX: result = rasqal_expression_evaluate_strmatch(e, eval_context, error_p); break; case RASQAL_EXPR_LITERAL: /* flatten any literal to a value as soon as possible - this * removes variables from expressions the first time they are seen. * (FLATTEN_LITERAL) */ result = rasqal_new_literal_from_literal(rasqal_literal_value(e->literal)); break; case RASQAL_EXPR_FUNCTION: rasqal_log_warning_simple(world, RASQAL_WARNING_LEVEL_NOT_IMPLEMENTED, eval_context->locator, "No function expressions support at present. Returning false."); result = rasqal_new_boolean_literal(world, 0); break; case RASQAL_EXPR_CAST: l1 = rasqal_expression_evaluate2(e->arg1, eval_context, error_p); if(*error_p || !l1) goto failed; result = rasqal_literal_cast(l1, e->name, flags, &errs.e); rasqal_free_literal(l1); if(errs.e) goto failed; break; case RASQAL_EXPR_ORDER_COND_ASC: case RASQAL_EXPR_ORDER_COND_DESC: case RASQAL_EXPR_GROUP_COND_ASC: case RASQAL_EXPR_GROUP_COND_DESC: result = rasqal_expression_evaluate2(e->arg1, eval_context, error_p); break; case RASQAL_EXPR_COUNT: case RASQAL_EXPR_SUM: case RASQAL_EXPR_AVG: case RASQAL_EXPR_MIN: case RASQAL_EXPR_MAX: case RASQAL_EXPR_SAMPLE: case RASQAL_EXPR_GROUP_CONCAT: rasqal_log_error_simple(world, RAPTOR_LOG_LEVEL_ERROR, eval_context->locator, "Aggregate expressions cannot be evaluated in a general scalar expression."); errs.e = 1; goto failed; break; case RASQAL_EXPR_VARSTAR: /* constants */ break; case RASQAL_EXPR_SAMETERM: result = rasqal_expression_evaluate_sameterm(e, eval_context, error_p); break; case RASQAL_EXPR_CONCAT: result = rasqal_expression_evaluate_concat(e, eval_context, error_p); break; case RASQAL_EXPR_COALESCE: result = rasqal_expression_evaluate_coalesce(e, eval_context, error_p); break; case RASQAL_EXPR_IF: result = rasqal_expression_evaluate_if(e, eval_context, error_p); break; case RASQAL_EXPR_URI: case RASQAL_EXPR_IRI: result = rasqal_expression_evaluate_uri_constructor(e, eval_context, error_p); break; case RASQAL_EXPR_STRLANG: result = rasqal_expression_evaluate_strlang(e, eval_context, error_p); break; case RASQAL_EXPR_STRDT: result = rasqal_expression_evaluate_strdt(e, eval_context, error_p); break; case RASQAL_EXPR_BNODE: result = rasqal_expression_evaluate_bnode_constructor(e, eval_context, error_p); break; case RASQAL_EXPR_IN: result = rasqal_expression_evaluate_in_set(e, eval_context, error_p); break; case RASQAL_EXPR_NOT_IN: result = rasqal_expression_evaluate_in_set(e, eval_context, error_p); break; case RASQAL_EXPR_YEAR: case RASQAL_EXPR_MONTH: case RASQAL_EXPR_DAY: case RASQAL_EXPR_HOURS: case RASQAL_EXPR_MINUTES: case RASQAL_EXPR_SECONDS: result = rasqal_expression_evaluate_datetime_part(e, eval_context, error_p); break; case RASQAL_EXPR_CURRENT_DATETIME: case RASQAL_EXPR_NOW: result = rasqal_expression_evaluate_now(e, eval_context, error_p); break; case RASQAL_EXPR_TO_UNIXTIME: result = rasqal_expression_evaluate_to_unixtime(e, eval_context, error_p); break; case RASQAL_EXPR_FROM_UNIXTIME: result = rasqal_expression_evaluate_from_unixtime(e, eval_context, error_p); break; case RASQAL_EXPR_RAND: result = rasqal_expression_evaluate_rand(e, eval_context, error_p); break; case RASQAL_EXPR_STRLEN: result = rasqal_expression_evaluate_strlen(e, eval_context, error_p); break; case RASQAL_EXPR_UCASE: case RASQAL_EXPR_LCASE: result = rasqal_expression_evaluate_set_case(e, eval_context, error_p); break; case RASQAL_EXPR_STRSTARTS: case RASQAL_EXPR_STRENDS: case RASQAL_EXPR_CONTAINS: result = rasqal_expression_evaluate_str_prefix_suffix(e, eval_context, error_p); break; case RASQAL_EXPR_TIMEZONE: result = rasqal_expression_evaluate_datetime_timezone(e, eval_context, error_p); break; case RASQAL_EXPR_TZ: result = rasqal_expression_evaluate_datetime_tz(e, eval_context, error_p); break; case RASQAL_EXPR_ENCODE_FOR_URI: result = rasqal_expression_evaluate_encode_for_uri(e, eval_context, error_p); break; case RASQAL_EXPR_SUBSTR: result = rasqal_expression_evaluate_substr(e, eval_context, error_p); break; case RASQAL_EXPR_ABS: result = rasqal_expression_evaluate_abs(e, eval_context, error_p); break; case RASQAL_EXPR_ROUND: result = rasqal_expression_evaluate_round(e, eval_context, error_p); break; case RASQAL_EXPR_CEIL: result = rasqal_expression_evaluate_ceil(e, eval_context, error_p); break; case RASQAL_EXPR_FLOOR: result = rasqal_expression_evaluate_floor(e, eval_context, error_p); break; case RASQAL_EXPR_MD5: case RASQAL_EXPR_SHA1: case RASQAL_EXPR_SHA224: case RASQAL_EXPR_SHA256: case RASQAL_EXPR_SHA384: case RASQAL_EXPR_SHA512: result = rasqal_expression_evaluate_digest(e, eval_context, error_p); break; case RASQAL_EXPR_UNKNOWN: default: RASQAL_FATAL3("Unknown operation %s (%d)", rasqal_expression_op_label(e->op), e->op); } got_result: #ifdef RASQAL_DEBUG RASQAL_DEBUG2("result of %p: ", e); rasqal_expression_print(e, stderr); fputs( ": ", stderr); if(*error_p) fputs("FAILURE",stderr); else rasqal_literal_print(result, stderr); fputc('\n', stderr); #endif return result; failed: *error_p = 1; if(result) { rasqal_free_literal(result); result = NULL; } goto got_result; }