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Prerequisites

  • bash
  • GNU Make 3.82
  • OpenJDK Runtime Environment (build 13.0.2+8)
  • javac 13.0.2

Setup

$ export PSS_HOME=$PWD

Build pssgen.jar

$ cd $PSS_HOME/src
$ make

The $PSS_HOME/src/pssgen.jar should generated.

Run Example

$ cd $PSS_HOME/samples
$ make

You should see the following logs.

-----------------------------------------
TOTAL=25, PASS=25, FAIL=0
-----------------------------------------
grep "[PASS|FAIL]" test_*/result.log
test_action_inference/result.log:PASS
test_buffer_constraint/result.log:PASS
test_collection_array/result.log:PASS
test_collections/result.log:PASS
test_comp_init/result.log:PASS
test_constraint_by_cfg/result.log:PASS
test_demo/result.log:PASS
test_domain_open_range_list/result.log:PASS
test_enum/result.log:PASS
test_filelist/result.log:PASS
test_hello_world/result.log:PASS
test_if_constraint_item/result.log:PASS
test_if_in_constraint/result.log:PASS
test_init_up/result.log:PASS
test_multi_constraint/result.log:PASS
test_repeat_action_inst/result.log:PASS
test_repeat_count/result.log:PASS
test_repeat_with_array/result.log:PASS
test_square_array/result.log:PASS
test_target_code/result.log:PASS
test_this/result.log:PASS
test_unique/result.log:PASS
test_unique_with_array/result.log:PASS
test_with_constraint_ops/result.log:PASS
test_with_multi_constraint/result.log:PASS

Limitation

13.4.1 repeat(count)

Limit 1: Can't use this to target index_identifier of repeat.

Example:

action main {
    activity {
        repeat (foo_val:5) {
            do foo with { foo_val == this.foo_val; };
        }
    }
}

action foo {
    rand int foo_val;
    ...
}

In the example, we wish the built-in variable this will refer index_identifier of repeat. However, it actually try to refer foo_val under main scope, therefore travesal fails. We must avoid using same name between index_identifier of repeat and variable_identifier of callee action.

Solution:

action main {
    activity {
        repeat (i:5) {
            do foo with { foo_val == i; };
        }
    }
}

action foo {
    rand int foo_val;
    ...
}

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  • Java 97.6%
  • ANTLR 2.3%
  • Makefile 0.1%