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      1 // Copyright (c) 2017 Google Inc.
      2 //
      3 // Licensed under the Apache License, Version 2.0 (the "License");
      4 // you may not use this file except in compliance with the License.
      5 // You may obtain a copy of the License at
      6 //
      7 //     http://www.apache.org/licenses/LICENSE-2.0
      8 //
      9 // Unless required by applicable law or agreed to in writing, software
     10 // distributed under the License is distributed on an "AS IS" BASIS,
     11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     12 // See the License for the specific language governing permissions and
     13 // limitations under the License.
     14 
     15 #include <cassert>
     16 #include <cstring>
     17 
     18 #include "source/spirv_validator_options.h"
     19 
     20 bool spvParseUniversalLimitsOptions(const char* s, spv_validator_limit* type) {
     21   auto match = [s](const char* b) {
     22     return s && (0 == strncmp(s, b, strlen(b)));
     23   };
     24   if (match("--max-struct-members")) {
     25     *type = spv_validator_limit_max_struct_members;
     26   } else if (match("--max-struct_depth")) {
     27     *type = spv_validator_limit_max_struct_depth;
     28   } else if (match("--max-local-variables")) {
     29     *type = spv_validator_limit_max_local_variables;
     30   } else if (match("--max-global-variables")) {
     31     *type = spv_validator_limit_max_global_variables;
     32   } else if (match("--max-switch-branches")) {
     33     *type = spv_validator_limit_max_global_variables;
     34   } else if (match("--max-function-args")) {
     35     *type = spv_validator_limit_max_function_args;
     36   } else if (match("--max-control-flow-nesting-depth")) {
     37     *type = spv_validator_limit_max_control_flow_nesting_depth;
     38   } else if (match("--max-access-chain-indexes")) {
     39     *type = spv_validator_limit_max_access_chain_indexes;
     40   } else if (match("--max-id-bound")) {
     41     *type = spv_validator_limit_max_id_bound;
     42   } else {
     43     // The command line option for this validator limit has not been added.
     44     // Therefore we return false.
     45     return false;
     46   }
     47 
     48   return true;
     49 }
     50 
     51 spv_validator_options spvValidatorOptionsCreate(void) {
     52   return new spv_validator_options_t;
     53 }
     54 
     55 void spvValidatorOptionsDestroy(spv_validator_options options) {
     56   delete options;
     57 }
     58 
     59 void spvValidatorOptionsSetUniversalLimit(spv_validator_options options,
     60                                           spv_validator_limit limit_type,
     61                                           uint32_t limit) {
     62   assert(options && "Validator options object may not be Null");
     63   switch (limit_type) {
     64 #define LIMIT(TYPE, FIELD)                    \
     65   case TYPE:                                  \
     66     options->universal_limits_.FIELD = limit; \
     67     break;
     68     LIMIT(spv_validator_limit_max_struct_members, max_struct_members)
     69     LIMIT(spv_validator_limit_max_struct_depth, max_struct_depth)
     70     LIMIT(spv_validator_limit_max_local_variables, max_local_variables)
     71     LIMIT(spv_validator_limit_max_global_variables, max_global_variables)
     72     LIMIT(spv_validator_limit_max_switch_branches, max_switch_branches)
     73     LIMIT(spv_validator_limit_max_function_args, max_function_args)
     74     LIMIT(spv_validator_limit_max_control_flow_nesting_depth,
     75           max_control_flow_nesting_depth)
     76     LIMIT(spv_validator_limit_max_access_chain_indexes,
     77           max_access_chain_indexes)
     78     LIMIT(spv_validator_limit_max_id_bound, max_id_bound)
     79 #undef LIMIT
     80   }
     81 }
     82 
     83 void spvValidatorOptionsSetRelaxStoreStruct(spv_validator_options options,
     84                                             bool val) {
     85   options->relax_struct_store = val;
     86 }
     87 
     88 void spvValidatorOptionsSetRelaxLogicalPointer(spv_validator_options options,
     89                                                bool val) {
     90   options->relax_logical_pointer = val;
     91 }
     92 
     93 void spvValidatorOptionsSetRelaxBlockLayout(spv_validator_options options,
     94                                             bool val) {
     95   options->relax_block_layout = val;
     96 }
     97 
     98 void spvValidatorOptionsSetScalarBlockLayout(spv_validator_options options,
     99                                              bool val) {
    100   options->scalar_block_layout = val;
    101 }
    102 
    103 void spvValidatorOptionsSetSkipBlockLayout(spv_validator_options options,
    104                                            bool val) {
    105   options->skip_block_layout = val;
    106 }
    107