Feature/runtime state

[collinc97]

Changes

• adds support for .in, .state, .out files
• adds [registers] section to program input file
  • the registers variable can be passed into function main main(registers)
  • the registers variable can be accessed with dot syntax registers.value_balance
• adds [state] section to state file
  • the state variable has the same functionality as the registers variable.
• adds [record] section to state file
  • the record variable has the same functionality as the registers variable.
• adds [state_leaf] section to state file
  • the state_leaf variable has the same functionality as the registers variable.
• adds visibility to state file sections
  • [[public]] indicates a public section. Only the state section is public.
  • [[private]] indicates a private section. The record and state_leaf sections are private.
• adds support for writing program return values to output registers
  • output registers live in the outputs/token_withdraw.out file.
  • output register parameters match input register parameters.
• refactors the compiler to reason about different state files + writing to the output file.
• refactors all tests to work with the new compiler.
• adds additional tests for all new features.

[codecov]

Codecov Report

Merging #122 into master will increase coverage by 0.24%.
The diff coverage is 91.47%.

@@            Coverage Diff             @@
##           master     #122      +/-   ##
==========================================
+ Coverage   74.94%   75.19%   +0.24%     
==========================================
  Files         283      312      +29     
  Lines        8223     8680     +457     
==========================================
+ Hits         6163     6527     +364     
- Misses       2060     2153      +93     

Impacted Files	Coverage Δ
ast/src/functions/function.rs	37.50% <0.00%> (ø)
ast/src/functions/inputs/function_input.rs	42.85% <ø> (ø)
compiler/src/errors/compiler.rs	20.83% <0.00%> (-5.49%)	⬇️
compiler/src/errors/output_bytes.rs	0.00% <0.00%> (ø)
compiler/src/errors/output_file.rs	0.00% <0.00%> (ø)
compiler/src/function/input/array.rs	59.25% <ø> (-40.75%)	⬇️
compiler/tests/import/mod.rs	0.00% <0.00%> (ø)
ast/src/functions/inputs/input.rs	28.57% <28.57%> (ø)
compiler/tests/integers/integer_tester.rs	35.71% <38.46%> (-44.29%)	⬇️
compiler/src/errors/function.rs	28.30% <57.14%> (-8.66%)	⬇️
... and 117 more

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[howardwu]

#116 #118