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84 Commits

Author SHA1 Message Date
Qi Xiao
6419f4524a Implement namespaces using slices instead of maps. 
More related improvements and cleanups will be done in followup commits.

This fixes #1139.
 2020-12-25 17:46:46 +00:00
Kurtis Rader
4df5e8e015 Use exported methods to access ports 
Commit 734eb95 changed most uses of `fm.ports[x].` to a public method
that makes the intent clearer. This changes a couple of uses that were
overlooked by that prior change.
 2020-12-25 01:11:33 +00:00
Shengjing Zhu
6c08de0ff3 Fix typos found by codespell 2020-10-10 22:47:50 +01:00
Qi Xiao
2af7361bd5 pkg/eval: De-export Closure. 2020-09-04 22:18:50 +01:00
Qi Xiao
9b9a6de2cd pkg/eval: Cause -> Reason. 2020-09-04 21:04:58 +01:00
Qi Xiao
fca1621294 pkg/eval: Export the StackTrace type. 2020-09-03 05:54:32 +01:00
Qi Xiao
0c00a92839 Fix crash when accessing the body attribute of fn-defined functions. 
This fixes #1126.
 2020-08-25 20:17:21 +01:00
Qi Xiao
b04ea12d48 pkg/eval: Refactor effectOp and valuesOp, remove lvaluesOp. 
* Make effectOp and valuesOp interfaces - implementations now handle the
  range information themselves.

* Remove lvaluesOp; it is no longer used.
 2020-08-22 19:57:11 +01:00
Qi Xiao
1e2ead56e2 pkg/eval: Rewrite the lvalue parsing code. 
Also lift the restriction on rest variables and rest arguments - they may now
appear anywhere, as long as there is only one.
 2020-08-20 13:15:00 +01:00
Qi Xiao
ea31426a9a pkg/eval: Refactor to reuse code between "use" and "eval". 2020-08-16 23:32:51 +01:00
Qi Xiao
e5e0446c5a Warn about deprecated syntax features in imported modules. 
This fixes #1072.
 2020-07-15 00:04:03 +01:00
Qi Xiao
7b9f784cd5 pkg/eval: Rename fields of Exception, and expose fields as a pseudomap. 2020-06-29 21:26:10 +01:00
Qi Xiao
c767f92d01 Support compile-time deprecation. 
This fixes #898.
 2020-04-26 13:14:51 +01:00
Qi Xiao
88122a019e pkg: Simplify some APIs by using parse.Tree. 2020-04-25 19:36:35 +01:00
Qi Xiao
20979b44a2 pkg/parse: Use Source values, not pointers. 
The Source type is small enough that using values is likely more efficient.
 2020-04-25 19:22:38 +01:00
Qi Xiao
13f7b29707 pkg/parse: Add a new Parse function and a Tree type. 
This replaces the AsChunk function. All current users of parse.AsChunk has been
changed to use parse.Parse instead.
 2020-04-25 19:16:22 +01:00
Qi Xiao
21f5a6f7c3 pkg/parse: Turn most public methods of Node into functions. 
This make the godoc of the parse package much cleaner and removes some
boilerplate.
 2020-04-25 18:55:44 +01:00
Qi Xiao
b8505c7065 pkg/eval/source.go -> pkg/parse/source.go. 2020-04-25 18:26:17 +01:00
Qi Xiao
53a1eca9af pkg/eval: Remove New*Source functions. 
All call sites of such functions are replaced with simple &Source{...}
expressions.
 2020-04-25 13:22:07 +01:00
Qi Xiao
c112223611 pkg/eval: Simplify API of "src". 
Remove the Type and Root fields, and add a new IsFile field.
 2020-04-25 12:50:07 +01:00
Qi Xiao
64e282c828 pkg/eval: Replace ValuesUnwrapper with simple functions. 
Also add structured BadValue error type to pkg/eval/errs.
 2020-04-13 13:27:55 +01:00
Qi Xiao
af6b523e02 pkg/eval: Remove Frame.{eval,Call}. 2020-04-09 21:01:14 +01:00
Qi Xiao
ffa9727f14 pkg/eval: Remove Frame.srcRange. 
Maintaining a state of current range is error-prone. Instead, always keep track
of range information explicitly.
 2020-04-09 20:44:09 +01:00
Qi Xiao
bcd1c1df6f pkg/eval: Move intCh from Evaler to Frame. 
This avoids a race condition when using EvalInTTY concurrently.

This addresses #73.
 2020-03-28 23:56:47 +00:00
Qi Xiao
72234e70fa [cleanup] pkg/eval: Replace frame.{begin,end} with a Ranging. 2020-03-28 22:03:42 +00:00
Qi Xiao
e6b7d06e80 [cleanup] pkg/eval: Remove compiler.errorf and compiler.compiling. 
All errors are now written using compiler.errorpf.
 2020-03-28 21:33:55 +00:00
Qi Xiao
d306f33af6 [cleanup] pkg/eval: Let compiler.errorpf accept a single diag.Ranger. 2020-03-28 21:33:55 +00:00
Qi Xiao
11919e83ec [cleanup] pkg/eval: use diag.Ranging in op types. 2020-03-28 21:33:55 +00:00
Qi Xiao
6b6029452f Revert "Validate namespace and function names" 
This breaks the use of meta characters in names of user-defined functions. See
b.elv.sh/946 on how to resolve the inconsistency on the restrictions in variable
names.

This reverts commit 02f5433789.
 2020-03-22 22:06:14 +00:00
Kurtis Rader
02f5433789 Validate namespace and function names 
Resolves #561
 2020-03-20 23:15:02 +00:00
Qi Xiao
b3a48ed510 pkg/eval: Revamp Source. 2020-01-11 03:01:30 +00:00
Qi Xiao
433b5f2d96 pkg/eval: Lift the restriction of relative "use" from scripts. 2020-01-11 02:27:43 +00:00
Qi Xiao
44f266f92c pkg/eval: De-export SrcType. 2020-01-05 13:54:08 +00:00
Qi Xiao
e45fdf7228 Move all libraries to new pkg/. 2019-12-23 20:00:59 +00:00