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1,485 Commits 3 Branches 803 Tags
2fd7e2b65d31e8764cf5879573303e4791fa440e
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6 Commits
Author SHA1 Message Date
Richard Smith 2fd7e2b65d Add support for compound assignment and increment (#2526) 
Add support for user-defined assignment, as well as compound assignment and increment, following the design direction in pending proposal #2511.

Some of this isn't fully testable yet: because explorer doesn't properly support `impl` specialization, the blanket `impl`s in the prelude prevent types from customizing assignment.
 2023-01-20 18:48:13 -08:00
Jon Ross-Perkins 8e5dcc2588 Enable readability-qualified-auto (#2314) 
As suggested on #2310
 2022-10-18 19:21:49 -07:00
pmqttm newGeoff RomerRichard Smith
 		f754373786 For loop for arrays (#1753) 
Co-authored-by: m new <michael.burzan@outlook.de>
Co-authored-by: Geoff Romer <gromer@google.com>
Co-authored-by: Richard Smith <richard@metafoo.co.uk>
 2022-08-09 15:34:24 -07:00
Zenong ZhangandJon Ross-Perkins 52ee050019 Initial implementation of unformed state for local variables. (#1387) 
Allows unformed state for local variables. Reports a run-time error when an unformed local variable is used.
- Added declaration without initialization for local variables in the parser.
- Made the init expression of VariableDefinition optional.
- Expanded (alive, dead) to (uninitialized, alive, dead) in the Heap.

Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
 2022-07-20 16:03:52 -04:00
SlaterLatiao 9106e9239e Initial implementation of returned var. (#1348) 
This PR implements the `returned var` for the explorer.
- Enabled `returned var` and `return var` syntax in lexer and parser.
- Split `Return` statement into `ReturnVar` and `ReturnExpression` to distinguish the two types of returns.
- Added logic in name resolution, type checking and interpretation to process `returned var` definition and `ReturnVar` statement.
 2022-07-06 13:35:41 -07:00
Jon Meow 309ec35f95 Rename executable_semantics to explorer (#1188) 
Change generated with:

```
#!/usr/bin/bash -eux

# Helper script for renaming pending work.
# Run from the repo root.

# Rename executable_semantics in code.
sed -i 's/executable_semantics/explorer/g' \
  $(git grep -l 'executable_semantics' . | grep -v proposals)
sed -i 's/executable semantics/explorer/g' \
  $(git grep -l 'executable semantics' . | grep -v proposals)
sed -i 's/Executable semantics/Explorer/g' \
  $(git grep -l 'Executable semantics' . |  grep -v proposals)
sed -i 's/Executable Semantics/Explorer/g' \
  $(git grep -l 'Executable Semantics' . |  grep -v proposals)
sed -i 's/EXECUTABLE_SEMANTICS/EXPLORER/g' \
  $(git grep -l 'EXECUTABLE_SEMANTICS' . | grep -v proposals)
sed -i 's/ExecutableSemantics/Explorer/g' \
  $(git grep -l 'ExecutableSemantics' . | grep -v proposals)
sed -i 's/executable-semantics/explorer/g' \
  $(git grep -l 'executable-semantics' . | grep -v proposals)

# This is only needed for the initial move.
mv executable_semantics explorer
mv explorer/fuzzing/executable_semantics_fuzzer.cpp explorer/fuzzing/explorer_fuzzer.cpp
```

Verified with `bazel test ...`
 2022-04-29 13:20:25 -07:00