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846 Commits

Author SHA1 Message Date
greg 1d5e5aa735 Some type renaming in builtins 
Builtins will remain entirely separate from the actual type
representation, whatever that ends up being
 2018-08-19 22:00:20 -07:00
greg 2c298c7247 Add warning for undefined operator 
In practice this will probably always not typecheck, but it's a valid
parse
 2018-08-19 21:40:30 -07:00
greg f00fee0e37 Rename StateStack -> ScopeStack 2018-08-19 21:31:45 -07:00
greg 0d13b5e3bc Preliminary support for binops in if-discriminators 
The BNF grammar is a bit more liberal than any successfully-compiled
schala program should be, in that it allows things like `if x < is
pattern`. It's okay if that parses successfully and then is an error at
typechecking.
 2018-08-19 21:25:07 -07:00
greg 98f597f00a Implement comparison operators correctly 2018-08-19 21:11:43 -07:00
greg fb71881409 Refactor binop parsing 2018-08-19 20:33:50 -07:00
greg d1c3b4a81b Starting on halfexprs / binops 2018-08-19 18:44:54 -07:00
greg f9181b5786 use expr_or_block where appropriate 2018-08-19 15:58:31 -07:00
greg 0e914cf057 Error message for parsing guards 2018-08-19 15:12:34 -07:00
greg 04ea8c5ebc More unused code removal 2018-08-19 15:06:01 -07:00
greg 492ef4ae19 Clear up some unused code to reduce compile noise 
And add some notes to the README
 2018-08-19 15:03:41 -07:00
greg 75a7a4499d Added some more cases to the match handling 2018-08-19 10:53:43 -07:00
greg 97bee58fbe More work with guards 2018-08-15 22:34:04 -07:00
greg 34c2b43371 More work on if matching 2018-08-15 18:32:44 -07:00
greg 88b617de52 More atlernatives work 2018-08-15 11:44:55 -07:00
greg 482674b19a Start on expr_or_block 
WIP doesn't work yet
 2018-08-15 09:34:00 -07:00
greg a72b387ceb Remove some more dead code warnings 2018-08-14 23:19:27 -07:00
greg 864e932e9f Getting rid of more unused items 2018-08-14 23:09:11 -07:00
greg d7e73be44c Getting rid of some unused warnings 2018-08-14 23:07:00 -07:00
greg 0c0690e86e Provide error message here 2018-08-14 21:53:57 -07:00
greg 6d18f80185 Use Result in test 2018-08-14 21:46:48 -07:00
greg 6825de3916 new_frame -> new_scope 2018-08-14 21:45:45 -07:00
greg 1b78fbff82 Tests for basic pattern matching 2018-08-14 21:39:33 -07:00
greg 897c1181a9 Basic pattern matching working 2018-08-14 21:17:43 -07:00
greg 6833bc4f00 Start on CaseMatch eval 2018-08-14 12:43:06 -07:00
greg f2ded78776 ReducedAST: Match -> CaseMatch 
makes it easier to grep for
 2018-08-14 12:37:18 -07:00
greg 9debdd8d66 Primitive tuple 2018-08-14 02:03:05 -07:00
greg 8067c862f3 Switch out types for evaluator 2018-08-14 00:11:13 -07:00
greg f9c2fc3f9d Make code more concise 2018-08-07 17:09:53 -07:00
greg 5ead1e5d44 NewConstructor -> Constructor 2018-08-05 19:14:02 -07:00
greg 348a6f7c76 More work on pattern-matching 
I think I need to entirely change the types in the evaluator.
ReducedAST should only care about NewConstructor (which I gotta rename),
and the evaluator is the only place that an implementation of a
primitive constructed type should live (see Peyton-Jones implementing a
functional langauge p. 70)
 2018-08-05 19:11:42 -07:00
greg 5f336ec1a9 Add lookup_by_name to symbol table 2018-08-05 18:19:48 -07:00
greg da59fae0d3 More work on pattern-matching 2018-08-05 18:01:42 -07:00
greg 5b5689accf Changing representation of primitive objects 2018-08-05 17:15:58 -07:00
greg 32acf89814 New Constructor 2018-08-05 16:04:52 -07:00
greg c637a922a9 Start implementing constructors/matches 
as per Implementing Functional Programming Languages by Peyton-Jones
 2018-08-05 14:23:08 -07:00
greg 42d0aba21c Add index of variants to symbol table 
Also new prelude type, just for testing
 2018-08-05 13:59:13 -07:00
greg bc6d4d19b5 reduced ast match 2018-07-26 00:52:46 -07:00
greg a2b1b0f953 Pattern-matching in reduced AST 2018-07-26 00:52:46 -07:00
greg 75bf4b5697 Fill out variants to be reduced 2018-07-26 00:52:46 -07:00
greg 98e812968b Fix parsing additional options 2018-07-26 00:52:46 -07:00
greg 250c486143 Fix derive code 2018-07-26 00:52:46 -07:00
greg 38eb065511 Broken proc macro custom derive code 2018-07-26 00:52:46 -07:00
greg 4ca57e4aea Change name of debug options struct 2018-07-26 00:52:46 -07:00
greg 82502ad0ad Move some parsing code around 2018-07-26 00:52:46 -07:00
greg 7d68b2a05a Get rid of code related to old match stuff 2018-07-26 00:52:46 -07:00
greg c2db212c78 Some more guard arm stuff + dealing with split binexp 
... in if-blocks. Need to do some re-architecture I think
 2018-07-26 00:52:46 -07:00
greg 837a180b09 Starting work on guard arms 2018-07-26 00:52:46 -07:00
greg 5ecd298e6a Record Pattern 2018-07-26 00:52:46 -07:00
greg 8aa33d0872 Starting on guards 2018-07-26 00:52:46 -07:00
greg 21a8868bcf Fixed test 2018-07-26 00:52:46 -07:00
greg 5a91957fa1 Some incomplete parse work 2018-07-26 00:52:46 -07:00
greg 176d43e56f Remove old comment 2018-07-26 00:52:46 -07:00
greg 90ecde89c9 Mutable types 2018-07-26 00:52:46 -07:00
greg 65c2cd521b Mutable types 
This bit of syntax is meant for extendable enum types
 2018-07-26 00:52:46 -07:00
greg f7dbbddad1 Let and let mut syntax 2018-07-26 00:52:46 -07:00
greg 43ff08b04c Add some debugging info around parse error 2018-07-26 00:52:46 -07:00
greg 00692aa89e Support for underscores 2018-07-26 00:52:46 -07:00
greg 5e48eb2dee Broken - some pass abstraction work 2018-07-26 00:52:46 -07:00
greg 3597ad4eef Compact parsing 2018-07-26 00:52:46 -07:00
greg 072eab1a80 Thread debug opts around where they need to be 2018-07-26 00:52:46 -07:00
greg 55a8cabd7c Some basic pattern stuff 2018-07-26 00:52:46 -07:00
greg 3c022fc4ef Clarified BNF 2018-07-26 00:52:46 -07:00
greg 0a02c21e70 Some more Patterns work 
-at first brush, a pattern is like a single Variant with a list of free
vars
 2018-07-26 00:52:46 -07:00
greg 927f427a86 Starting work on patterns 2018-07-26 00:52:46 -07:00
greg 005aba7a10 Test alt form 2018-07-26 00:52:46 -07:00
greg 7882e92ab5 Fix old style if 2018-07-26 00:52:46 -07:00
greg f582ab4eaa Test for new style parsing 2018-07-26 00:52:46 -07:00
greg f2dce38647 Broken, but compiling, move to new if paradigm 2018-07-26 00:52:46 -07:00
greg ba4cd9da39 Kill match keyword + data structures 
And add new unified keywords
 2018-07-26 00:52:46 -07:00
greg 654eeef428 Clarified grammar BNF some 2018-07-26 00:52:46 -07:00
greg a96fbc9592 Fix match expression parsing 2018-07-26 00:52:46 -07:00
greg 196954326e Print bare data constructor 2018-07-26 00:52:46 -07:00
greg 3f2fff276c Constructor eval 2018-07-26 00:52:46 -07:00
greg ebcea685f3 Fix looking up functions 2018-07-26 00:52:46 -07:00
greg 3b9084810e Add constructor reduced ast node; fix test 2018-07-26 00:52:46 -07:00
greg 7809cda240 Pass symbol_table to ast reduce 
To distinguish between values and data constructors
 2018-07-26 00:52:46 -07:00
greg f1679e83b7 Start trying to fix tests 2018-07-26 00:52:46 -07:00
greg f98d8e2bb0 Move AST into its own module 2018-07-26 00:52:46 -07:00
greg d0a0cc8209 Rename ast_reducing -> reduced_ast 2018-07-26 00:52:46 -07:00
greg 5aa0e10e7a Some ADT work 2018-07-26 00:52:46 -07:00
greg 27729cefdf Some improvements to the thing 2018-07-26 00:52:46 -07:00
greg df76e7c120 Pretty-print type table 2018-07-26 00:52:46 -07:00
greg 889610f0b0 Pretty-print Symbol Table 2018-07-26 00:52:46 -07:00
greg 3beabf4678 Start eval-ing data constructors 2018-07-26 00:52:46 -07:00
greg 25790f8643 Added super-janky prelude capability 2018-07-26 00:52:46 -07:00
greg ff5446af3f Add symbols from symbol table into global type context 2018-07-26 00:52:46 -07:00
greg 5d84153c9e Want bin expressions typed soon 2018-07-26 00:52:46 -07:00
greg 0b0f6b6b50 Symbol table handles functions better 2018-07-26 00:52:46 -07:00
greg 856a360aba Types need handle to symbol table 2018-07-26 00:52:46 -07:00
greg 81ca9ee20f Add some data structures back 2018-07-26 00:52:46 -07:00
greg 4caf8096b3 Add Scheme, TypeEnv, Substitution data structs 2018-07-26 00:52:46 -07:00
greg c65907388d Some ADT work 2018-07-26 00:52:46 -07:00
greg 33c22c8bbc Typecheck values 2018-07-26 00:52:46 -07:00
greg 4a27af2136 Add a super-basic test 2018-07-26 00:52:46 -07:00
greg 07af54b78a More work 2018-07-26 00:52:46 -07:00
greg c4666b82ec Basics 2018-07-26 00:52:46 -07:00
greg 274dd1ccb0 Basic stuff 2018-07-26 00:52:46 -07:00
greg 70ec79c4b3 Lol starting over from scratch again 
H-M is hard :/
 2018-07-26 00:52:46 -07:00
greg f88d2331e3 printf debugs for problems with function typing 2018-07-26 00:52:46 -07:00
greg c8f961abbf Functions 2018-07-26 00:52:46 -07:00
greg d040d76bfa Start handling function case 2018-07-26 00:52:46 -07:00
greg 887ba46b0b Fix this thing 2018-07-26 00:52:46 -07:00
greg a80db9e4c2 Debug types 
WIP
 2018-07-26 00:52:46 -07:00
greg c986233a95 Adding bindings seems to work? 
I'm playing real fast and loose though
 2018-07-26 00:52:46 -07:00
greg bb29df4a73 Variable binding insertion infrastructure 2018-07-26 00:52:46 -07:00
greg 4db3595d7c More work on variables 2018-07-26 00:52:46 -07:00
greg 217ee73fc9 Literals 2018-07-26 00:52:46 -07:00
greg 93309c025e Some work 2018-07-26 00:52:46 -07:00
greg b67512a9e1 Add Infer struct 2018-07-26 00:52:46 -07:00
greg 8e6f605fab Type alias "TypeName" 2018-07-26 00:52:46 -07:00
greg ba4185b0fb Back to including typechecking code in pipeline 2018-07-26 00:52:46 -07:00
greg 7a2a4df297 Clearing out most of the cruft from typechecking 2018-07-26 00:52:46 -07:00
greg 642e9da8ee Move everything symbol-table-related into a separate module 2018-07-26 00:52:46 -07:00
greg cea7427847 put TypeEnvironment on TypeContext 2018-07-26 00:52:46 -07:00
greg 3156c31dfc Variable lookup 2018-07-26 00:52:46 -07:00
greg 2e457cd5e8 First real inferring 2018-07-26 00:52:46 -07:00
greg 843d895f2b infer infra 2018-07-26 00:52:46 -07:00
greg 734c53ce0d Starting to deal with actual expr inferring 2018-07-26 00:52:46 -07:00
greg 3a3b8dd440 TypeEnvironment lives in Infer 2018-07-26 00:52:46 -07:00
greg c96a56a7ac fresh 2018-07-26 00:52:46 -07:00
greg 4017857a3a Unification 2018-07-26 00:52:46 -07:00
greg 9e0f8b8a14 InferError 2018-07-26 00:52:46 -07:00
greg 7121624f77 Type Env 2018-07-26 00:52:46 -07:00
greg 48e795decc apply_substitution for PolyTypes 
If I made an error it's likely here...
 2018-07-26 00:52:46 -07:00
greg a26da934f4 Substitution monotypes 2018-07-26 00:52:46 -07:00
greg 1de1cd9cfd For H-M, add types and some impls 2018-07-26 00:52:46 -07:00
greg 6f639b9030 Type type structure 2018-07-26 00:52:46 -07:00
greg 8f0104ebc7 Deletion 2018-07-26 00:52:46 -07:00
greg 36cd7e080d Even more deletions 2018-07-26 00:52:46 -07:00
greg f48a25779c Lol just get rid of all the old code, start from scratch again 2018-07-26 00:52:46 -07:00
greg 808a1bfc98 Still more deletions 2018-07-26 00:52:46 -07:00
greg c7e46c1cfa KIll any commented code 2018-07-26 00:52:46 -07:00
greg 98cfcfc18d Eval shouldn't be aware of types 2018-07-26 00:52:46 -07:00
greg b4c7ea3d02 Show bindings too in debug 2018-07-26 00:52:46 -07:00
greg e7c89ed840 Some more refactoring 2018-07-26 00:52:46 -07:00
greg b0e38f7f5b Refactor 2018-07-26 00:52:46 -07:00
greg 276662d98a Some code rearrangements 2018-07-26 00:52:46 -07:00
greg e8e9265b26 Use less verbose match syntax 2018-07-26 00:52:46 -07:00
greg cb316a973e Getting back to hindley-milner 
First, clear out some of this cruft in the compiler warnings
 2018-07-26 00:52:46 -07:00
greg e64861b602 Some eval tests 2018-07-26 00:52:46 -07:00
greg 1673fd1cf9 Fix test 2018-07-26 00:52:46 -07:00
greg c00effcbdd Add _ 2018-07-26 00:52:46 -07:00
greg 8378170fbd Kill comments 2018-07-26 00:52:46 -07:00
greg 7ab385d398 Bring custom ADTs to the repl 2018-07-26 00:52:46 -07:00
greg 9fb148bb02 Make compile again 2018-07-26 00:52:46 -07:00
greg 97df2fa344 I dunno 2018-07-26 00:52:46 -07:00
greg a08134a747 Delete old code in eval 2018-07-26 00:52:46 -07:00
greg 3ac50f974d Pass around reference to type context in evaluator 2018-07-26 00:52:46 -07:00
greg afc4281e7f Evaluate function arguments in context before applying them 2018-07-26 00:52:46 -07:00
greg 8d6fea942f Handle function definition before use 
And some other ReducedAST - Evaluation niceties
 2018-07-26 00:52:46 -07:00
greg 6d93c758a2 Add function to symbol table 2018-07-26 00:52:46 -07:00
greg aff421cd99 Working with symbol table 
Note that symbol table is a different object now than the previous
binding table that was used for type-checking. That binding table is not
currently debugged and should be debugged in a separate debug output with
typechecking proper.
 2018-07-26 00:52:46 -07:00
greg 493d76da0b Add symbol table data structure to typechecking 2018-07-26 00:52:46 -07:00
greg eb681fbff9 Make parse error message nicer 2018-07-26 00:52:46 -07:00
greg f3e3843528 Decomplexify delimited! 2018-07-26 00:52:46 -07:00
greg 6b90e19eb1 Simplify expect! macro 
Ends up printing a debug print, but whatever, will fix later
 2018-07-26 00:52:46 -07:00
greg 210ae47c8b Get rid of lambda 2018-07-26 00:52:46 -07:00
greg 70794d8ff1 For expression parsing 2018-07-26 00:52:46 -07:00
greg 532c8c45b4 Parse while expressions 
Decided to add while expressions to the language to make for-parsing
easier. Plus some other random notes
 2018-07-26 00:52:46 -07:00
greg 24b532df06 This doesn't need to be a closure 2018-07-26 00:52:46 -07:00
greg ac576be604 Trim newline in getline() 
Ineffiicent but whatever
 2018-07-26 00:52:46 -07:00
greg 6bf106a1a3 Equality 2018-07-26 00:52:46 -07:00
greg 44e585fca2 Conditionals 2018-07-26 00:52:46 -07:00
greg 3f836eb74f Kill some warnings 2018-07-26 00:52:46 -07:00
greg abf25d648d Change repl behavior of strings 2018-07-26 00:52:46 -07:00
greg 1f6e6d9b31 Tuples 2018-07-26 00:52:46 -07:00
greg e2703121d8 Kill unneeded import 2018-07-26 00:52:46 -07:00
greg e5b6b41422 Error msg 2018-07-26 00:52:46 -07:00
greg 6c5e3dea5d Assignment 2018-07-26 00:52:46 -07:00
greg bd8bf1945c Super simple janky input 2018-07-26 00:52:46 -07:00
greg 9e393d2753 Kill old type structure 2018-07-26 00:52:46 -07:00
greg 822420a9d5 Add an eval test 2018-07-26 00:52:46 -07:00
greg 6f8dc9bedd rename IntLiteral -> NatLiteral 2018-07-26 00:52:46 -07:00
greg e0cec8b8a6 print, println as builtins 2018-07-26 00:52:46 -07:00
greg 1a84f62818 Kill some old code, make very_simple example print 2018-07-26 00:52:46 -07:00
greg b1966d7199 Function calling works kind of 2018-07-26 00:52:46 -07:00
greg fdbb21990d Retrieve function from memory when called 2018-07-26 00:52:46 -07:00
greg 1011ff08f3 Use new rust 1.26 less verbose syntax 2018-07-26 00:52:46 -07:00
greg 6d8d2aecbd Functions 2018-07-26 00:52:46 -07:00
greg 848306ad1a Reduce defined function 2018-07-26 00:52:46 -07:00
greg e6f0710e41 Debug ast rewrite 2018-07-26 00:52:46 -07:00
greg 78ba4e1ed3 Variable lookup 2018-07-26 00:52:46 -07:00
greg 481afb0f87 Fix debugging and debug eval 2018-07-26 00:52:46 -07:00
greg 01986e7474 starting bindings 2018-07-26 00:52:46 -07:00
greg 9cf5260d4b Use impl Trait to simplify type signatures 2018-07-26 00:52:46 -07:00
greg 18c8176134 Get rid of unneeded imports 2018-07-26 00:52:46 -07:00
greg 2cb7d35008 Use EvalResult type 2018-07-26 00:52:46 -07:00
greg bd1eed884f State type manipulations 2018-07-26 00:52:46 -07:00
greg 67917612e6 Swap over eval code to new paradigm 
While keeping the old code commented for reference
 2018-07-26 00:52:46 -07:00
greg b4a16cdc55 Prefix ops 2018-07-26 00:52:46 -07:00
greg 4d5ab95946 Fix bug with / parsing 2018-07-26 00:52:46 -07:00
greg ce71254b69 Implement a lot more ops 2018-07-26 00:52:46 -07:00
greg 065e58f87e Successfully interpreting addition 2018-07-26 00:52:46 -07:00
greg 6768cebc48 Literals 2018-07-26 00:52:46 -07:00
greg ec5580d20b prefix op reduction 2018-07-26 00:52:46 -07:00
greg 9de66a9af3 Unimplemented sigil 2018-07-26 00:52:46 -07:00
greg 633b4fe7a4 Nats, some binop reduction 2018-07-26 00:52:46 -07:00
greg 87c3b8e234 Some work 2018-07-26 00:52:46 -07:00
greg 16a463b1a0 Method-style 2018-07-26 00:52:46 -07:00
greg c3be644133 Optional scope name 2018-07-26 00:52:46 -07:00
greg e7615fda8b Add new_frame method 2018-07-26 00:52:46 -07:00
greg 111657b567 Add generic stack data structure 
I'll want to use this soon enough
 2018-07-26 00:52:46 -07:00
greg c5e8d3e080 Random notes re: symbol table 
I'm proably gonna want to redo the symbol table stuff after reading Language
Implementation Patterns, esp. to accomodate scopes
 2018-07-26 00:52:46 -07:00
greg 4f49c183b0 Float + reduce binop/prefixop 2018-07-26 00:52:46 -07:00
greg 81368179bb More boilerplate 2018-07-26 00:52:46 -07:00
greg 30128d7d34 Easy work 2018-07-26 00:52:46 -07:00
greg 6c718e5d4f Start AST-reducing 2018-07-26 00:52:46 -07:00
greg 774ddd665b Infrastructure to evaluate reduced AST 2018-07-26 00:52:46 -07:00
greg 0bb0ecea76 Add new ast reducing pass 2018-07-26 00:52:46 -07:00
greg 7686707602 Type alias Vec<String> -> Block 2018-07-26 00:52:46 -07:00
greg 890e6bd4c5 Minor wording changes 2018-07-26 00:52:46 -07:00
greg 8826d5b0d4 For now, don't error out with typechecking 2018-07-26 00:52:46 -07:00
greg 8ad5dd9056 Rename passes 2018-07-26 00:52:46 -07:00
greg fb168da8bd Kill comments 2018-07-26 00:52:46 -07:00
greg 86e88ee1bf Greatly fleshed out custom derive 2018-07-26 00:52:46 -07:00
greg d1a2473bb2 More derive work 2018-07-26 00:52:46 -07:00
greg e498e19ffc Use extra attribute 2018-07-26 00:52:46 -07:00
greg 51cdedb9cc Actually autogenerate the trait 2018-07-26 00:52:46 -07:00
greg 50236ac942 Kill unused mut 2018-07-26 00:52:46 -07:00
greg 7ba8c9dab9 Tokenize errors 2018-07-26 00:52:46 -07:00
greg 774ab5f72e Token errors WIP 2018-07-26 00:52:46 -07:00
greg a10df92ab8 Debug work 2018-07-26 00:52:46 -07:00
greg 27885500fd Show debug stages 2018-07-26 00:52:46 -07:00
greg 5d69b530c5 Remove comments 2018-07-26 00:52:46 -07:00
greg 832d0d4ee3 Add more debug jank entries 2018-07-26 00:52:46 -07:00
greg 2c5ebd636f Pass EvalOptions to macro 2018-07-26 00:52:46 -07:00
greg 06638dc030 Minor syntax changes 2018-07-26 00:52:46 -07:00
greg 3a181dd0ac Add passing debug into via &mut pointer 2018-07-26 00:52:46 -07:00
greg 1d1a5fb6fc Pass mutable handle to unfinishedcomputation 2018-07-26 00:52:46 -07:00
greg 3d960d5697 Implement most of pipeline 2018-07-26 00:52:46 -07:00
greg 1f4228b887 Successfully passing state handle to pass functions 2018-07-26 00:52:46 -07:00
greg 5abaadc0ca Add self 2018-07-26 00:52:46 -07:00
greg fd89de77cc Making pipeline macro nicer 2018-07-26 00:52:46 -07:00
greg a305610a39 Some kind of pipeline working 
thanks to the rust syn crate guy for the macro idea
 2018-07-26 00:52:46 -07:00
greg 14f31a5186 Adding proc macro for codegen 
This should hopefully make the compiler pass thing I want to do possible
 2018-07-26 00:52:46 -07:00
greg b936132ca6 Backtick operators supported in tokenizing 2018-07-26 00:52:46 -07:00
greg 65f42981ff Trait -> Interface 2018-07-26 00:52:46 -07:00
greg e2970dbc42 Kill old advanced_slice_patterns 2018-07-26 00:52:46 -07:00
greg 7d2bc4188d Debug stages from command line 2018-07-26 00:52:46 -07:00
greg ecebbb2eae Fix interspersing of newlines in tokenizer infra 2018-07-26 00:52:45 -07:00
greg 78f12c8f1d Show err output when evaluating non-interactively 2018-07-26 00:52:45 -07:00
greg 819a06503f Hook schala function up to debug booleans 
Not sure if I like this API, but eh, it's what I've got
 2018-07-26 00:52:45 -07:00
greg 6f43c3b81d move schala into separate crate 2018-07-26 00:52:45 -07:00
greg 7730457878 Revert "Starting to split project into multiple crates" 
This reverts commit e3b0f4a51e.
Bah, this was a bad idea, wrong way to do it
 2018-07-26 00:52:45 -07:00
greg 46dbac7f69 Starting to split project into multiple crates 2018-07-26 00:52:45 -07:00