rascal 0.3.4

A parser and compiler for Flash ActionScript 2 files into SWFs
Documentation
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---
source: crates/rascal/src/program.rs
expression: parsed
input_file: samples/as2/registers.as
---
Ok:
  initial_script:
    - Expr:
        span:
          start: 0
          end: 147
          file: 0
        value:
          Function:
            signature:
              name: ~
              args:
                - name: a
                  type_name: ~
                  register: 7
                - name: b
                  type_name: ~
                  register: ~
              return_type: ~
            body:
              - Expr:
                  span:
                    start: 21
                    end: 32
                    file: 0
                  value:
                    Trace:
                      span:
                        start: 27
                        end: 31
                        file: 0
                      value:
                        Constant:
                          Register: 1
              - Expr:
                  span:
                    start: 38
                    end: 54
                    file: 0
                  value:
                    Trace:
                      span:
                        start: 44
                        end: 53
                        file: 0
                      value:
                        Constant:
                          Register: 2
              - Expr:
                  span:
                    start: 60
                    end: 72
                    file: 0
                  value:
                    Trace:
                      span:
                        start: 66
                        end: 71
                        file: 0
                      value:
                        Constant:
                          Register: 3
              - Expr:
                  span:
                    start: 78
                    end: 90
                    file: 0
                  value:
                    Trace:
                      span:
                        start: 84
                        end: 89
                        file: 0
                      value:
                        Constant:
                          Register: 4
              - Expr:
                  span:
                    start: 96
                    end: 110
                    file: 0
                  value:
                    Trace:
                      span:
                        start: 102
                        end: 109
                        file: 0
                      value:
                        Constant:
                          Register: 5
              - Expr:
                  span:
                    start: 116
                    end: 130
                    file: 0
                  value:
                    Trace:
                      span:
                        start: 122
                        end: 129
                        file: 0
                      value:
                        Constant:
                          Register: 6
              - Expr:
                  span:
                    start: 136
                    end: 144
                    file: 0
                  value:
                    Trace:
                      span:
                        start: 142
                        end: 143
                        file: 0
                      value:
                        Constant:
                          Register: 7
            scope:
              defined_variables:
                this:
                  used: true
                  used_in_inner_scope: false
                  type_name: ~
                arguments:
                  used: true
                  used_in_inner_scope: false
                  type_name: ~
                super:
                  used: true
                  used_in_inner_scope: false
                  type_name: ~
                _root:
                  used: true
                  used_in_inner_scope: false
                  type_name: ~
                _parent:
                  used: true
                  used_in_inner_scope: false
                  type_name: ~
                _global:
                  used: true
                  used_in_inner_scope: false
                  type_name: ~
                a:
                  used: true
                  used_in_inner_scope: false
                  type_name: ~
                b:
                  used: false
                  used_in_inner_scope: false
                  type_name: ~
              referenced_variables: []
              could_reference_anything: false
            register_count: 8
            preload_this: true
            suppress_this: false
            preload_arguments: true
            suppress_arguments: false
            preload_super: true
            suppress_super: false
            preload_root: true
            preload_parent: true
            preload_global: true
    - Expr:
        span:
          start: 148
          end: 334
          file: 0
        value:
          Function:
            signature:
              name: ~
              args:
                - name: a
                  type_name: ~
                  register: ~
                - name: b
                  type_name: ~
                  register: ~
              return_type: ~
            body:
              - Expr:
                  span:
                    start: 169
                    end: 180
                    file: 0
                  value:
                    Trace:
                      span:
                        start: 175
                        end: 179
                        file: 0
                      value:
                        Constant:
                          Identifier: this
              - Expr:
                  span:
                    start: 186
                    end: 202
                    file: 0
                  value:
                    Trace:
                      span:
                        start: 192
                        end: 201
                        file: 0
                      value:
                        Constant:
                          Identifier: arguments
              - Expr:
                  span:
                    start: 208
                    end: 220
                    file: 0
                  value:
                    Trace:
                      span:
                        start: 214
                        end: 219
                        file: 0
                      value:
                        Constant:
                          Identifier: super
              - Expr:
                  span:
                    start: 226
                    end: 238
                    file: 0
                  value:
                    Trace:
                      span:
                        start: 232
                        end: 237
                        file: 0
                      value:
                        Constant:
                          Identifier: _root
              - Expr:
                  span:
                    start: 244
                    end: 258
                    file: 0
                  value:
                    Trace:
                      span:
                        start: 250
                        end: 257
                        file: 0
                      value:
                        Constant:
                          Identifier: _parent
              - Expr:
                  span:
                    start: 264
                    end: 278
                    file: 0
                  value:
                    Trace:
                      span:
                        start: 270
                        end: 277
                        file: 0
                      value:
                        Constant:
                          Identifier: _global
              - Expr:
                  span:
                    start: 284
                    end: 292
                    file: 0
                  value:
                    Trace:
                      span:
                        start: 290
                        end: 291
                        file: 0
                      value:
                        Constant:
                          Identifier: a
              - Expr:
                  span:
                    start: 298
                    end: 306
                    file: 0
                  value:
                    GetVariable:
                      span:
                        start: 303
                        end: 305
                        file: 0
                      value:
                        Constant:
                          String: ""
            scope:
              defined_variables:
                this:
                  used: true
                  used_in_inner_scope: false
                  type_name: ~
                arguments:
                  used: true
                  used_in_inner_scope: false
                  type_name: ~
                super:
                  used: true
                  used_in_inner_scope: false
                  type_name: ~
                _root:
                  used: true
                  used_in_inner_scope: false
                  type_name: ~
                _parent:
                  used: true
                  used_in_inner_scope: false
                  type_name: ~
                _global:
                  used: true
                  used_in_inner_scope: false
                  type_name: ~
                a:
                  used: true
                  used_in_inner_scope: false
                  type_name: ~
                b:
                  used: false
                  used_in_inner_scope: false
                  type_name: ~
              referenced_variables: []
              could_reference_anything: true
            register_count: 0
            preload_this: false
            suppress_this: false
            preload_arguments: false
            suppress_arguments: false
            preload_super: false
            suppress_super: false
            preload_root: false
            preload_parent: false
            preload_global: false
    - Expr:
        span:
          start: 336
          end: 365
          file: 0
        value:
          Function:
            signature:
              name: ~
              args:
                - name: a
                  type_name: ~
                  register: ~
                - name: b
                  type_name: ~
                  register: ~
              return_type: ~
            body:
              - Block: []
            scope:
              defined_variables:
                this:
                  used: false
                  used_in_inner_scope: false
                  type_name: ~
                arguments:
                  used: false
                  used_in_inner_scope: false
                  type_name: ~
                super:
                  used: false
                  used_in_inner_scope: false
                  type_name: ~
                _root:
                  used: false
                  used_in_inner_scope: false
                  type_name: ~
                _parent:
                  used: false
                  used_in_inner_scope: false
                  type_name: ~
                _global:
                  used: false
                  used_in_inner_scope: false
                  type_name: ~
                a:
                  used: false
                  used_in_inner_scope: false
                  type_name: ~
                b:
                  used: false
                  used_in_inner_scope: false
                  type_name: ~
                c:
                  used: true
                  used_in_inner_scope: false
                  type_name: ~
              referenced_variables: []
              could_reference_anything: false
            register_count: 2
            preload_this: false
            suppress_this: true
            preload_arguments: false
            suppress_arguments: true
            preload_super: false
            suppress_super: true
            preload_root: false
            preload_parent: false
            preload_global: false
    - Expr:
        span:
          start: 367
          end: 439
          file: 0
        value:
          Function:
            signature:
              name: ~
              args:
                - name: a
                  type_name: ~
                  register: ~
                - name: b
                  type_name: ~
                  register: ~
              return_type: ~
            body:
              - Declare:
                  name:
                    span:
                      start: 392
                      end: 393
                      file: 0
                    value: c
                  value:
                    span:
                      start: 396
                      end: 397
                      file: 0
                    value:
                      Constant:
                        Integer: 2
                  type_name: ~
              - Expr:
                  span:
                    start: 403
                    end: 411
                    file: 0
                  value:
                    GetVariable:
                      span:
                        start: 408
                        end: 410
                        file: 0
                      value:
                        Constant:
                          String: ""
            scope:
              defined_variables:
                this:
                  used: false
                  used_in_inner_scope: false
                  type_name: ~
                arguments:
                  used: false
                  used_in_inner_scope: false
                  type_name: ~
                super:
                  used: false
                  used_in_inner_scope: false
                  type_name: ~
                _root:
                  used: false
                  used_in_inner_scope: false
                  type_name: ~
                _parent:
                  used: false
                  used_in_inner_scope: false
                  type_name: ~
                _global:
                  used: false
                  used_in_inner_scope: false
                  type_name: ~
                a:
                  used: false
                  used_in_inner_scope: false
                  type_name: ~
                b:
                  used: false
                  used_in_inner_scope: false
                  type_name: ~
                c:
                  used: true
                  used_in_inner_scope: false
                  type_name: ~
              referenced_variables: []
              could_reference_anything: true
            register_count: 0
            preload_this: false
            suppress_this: false
            preload_arguments: false
            suppress_arguments: false
            preload_super: false
            suppress_super: false
            preload_root: false
            preload_parent: false
            preload_global: false
  interfaces: []
  classes: []
  custom_pcodes: []
  compile_options:
    swf_version: 15
    optimizations:
      fold_constants: true
      promote_variables_to_registers: true