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28 Commits

Author SHA1 Message Date
whitequark db8300c990 compiler: disallow op= on mutable values (fix #835). 
In general, we can't reallocate a value in earlier stack frames,
or fixup references to it. This mainly impacts lists.
 2017-10-02 11:03:03 +08:00
whitequark f7254dd3ce compiler.validators.constness: take AugAssign into account. 2017-06-09 07:31:08 +00:00
whitequark 4e7493843a compiler: Constness is a validator, not analysis. 2017-06-09 07:29:31 +00:00
whitequark 1a518ea7eb compiler.embedding: implement string concatenation. 
Fixes #526.
 2016-08-08 04:05:52 +00:00
whitequark 1464bae6b7 compiler: don't typecheck RPCs except for return type. 
Fixes #260.
 2016-04-26 01:12:36 +00:00
whitequark 186a564ba8 compiler: make quoted functions independent of outer environment. 2016-03-26 20:46:45 +00:00
whitequark ac5061c205 validators.escape: track region of arguments. 
Fixes #232.
 2016-03-18 03:08:14 +00:00
whitequark 211af77e77 validators.escape: cache_get result lives forever. 2016-01-10 14:43:21 +00:00
whitequark 9ed6b54249 transforms.cfg_simplifier: remove. 
Specifically, the following idiom broke our CFGSimplifier:

b1:
  branch_if %cond, %b2, %b3
b2:
  branch %b3
b3:
  %v = phi [ %b2 => 0, %b3 => 1 ]

This is very annoying to properly handle in general case, and also
this (specifically %b2) is exactly what broke LocalAccessValidator
in the first place. So, remove CFGSimplifier altogether.

Instead, teach LocalAccessValidator how to look through predecessors
in order to get a location.
 2015-12-31 17:07:36 +08:00
whitequark 25e2824709 validators.escape: infer correct region for arguments. 2015-12-30 16:19:35 +08:00
whitequark df91500f68 Fix ff3206be. 2015-12-30 15:16:05 +08:00
whitequark 35acc33ef6 validators.escape: don't fail on quoted values in lhs. 2015-12-16 13:57:02 +08:00
whitequark e755e1ba9e validators.escape: support arrays in multiple assignment. 2015-12-14 16:31:03 +08:00
whitequark 19fae9181c compiler.analyses.domination: implement new dominator tree algorithm. 2015-11-09 11:51:54 +03:00
whitequark a557445e05 LocalAccessValidator: assume variables with "$" in name are internal. 
Internal variables are assumed to be scoped correctly
(including not being accessed uninitialized).

This was changed from "." because artiq.compiler.embedding uses
"." in module prefix of function names.
 2015-08-22 13:56:17 -07:00
whitequark 0e26cfb66e LocalAccessValidator: relax restrictions to accept def f(); def g(). 2015-08-22 13:31:09 -07:00
whitequark 51c591f01a Unbreak tests. 2015-08-18 22:44:09 -07:00
whitequark 00efc8c636 Implement class definitions and class attribute access. 2015-08-15 09:45:16 -04:00
whitequark ece52062f2 Implement code generation for exception handling. 2015-07-25 05:37:37 +03:00
whitequark 9db199cad9 Handle closure effects appropriately in LocalAccessValidator. 2015-07-23 03:15:36 +03:00
whitequark f2a6110cc4 Add integration tests for every language construct. 2015-07-22 18:34:52 +03:00
whitequark 49ece6a12a Add support for string literals. 2015-07-21 14:27:48 +03:00
whitequark e299801c0f LocalAccessValidator: fix validation of closures with no outer variables. 2015-07-21 13:16:18 +03:00
whitequark 7e3f91c0bb Teach closures to LocalAccessValidator. 2015-07-19 12:08:26 +03:00
whitequark ac491fae47 Add LocalAccessValidator. 2015-07-19 11:44:51 +03:00
whitequark 16432d2652 Implement escape analysis. 2015-07-04 04:16:37 +03:00
whitequark bfabca494b Remove regions from types. 
Unification-based inference for regions is useful with a language
that has let bindings (which would propagate the regions) and
functions polymorphic over regions. For reasons of simplicity,
ARTIQ has neither, and making unification-based inference work would
essentially mean adding region coercions between most AST nodes,
and having every source subexpression have its own region variable,
with the appropriate subtyping relationship.

It's simpler to just keep that state outside of typedtree.
 2015-07-02 22:55:12 +03:00
whitequark 7c833f0727 Move transforms.MonomorphismChecker to validators.MonomorphismValidator. 2015-07-02 21:54:31 +03:00