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e4b5588327
The compiler passes are now split into three stages:
* check -- passes that check for various error conditions
* transform -- passes that transform the AST (e.g. to perform
optimizations)
* generate -- passes that are related to code generation
Splitting the passes into stages is important for plugins. For example,
if a plugin wants to add a new optimization pass, it can add it at the
end of the "transform" stage without any knowledge about other passes it
contains. Similarly, if it wants to generate something else than the
default code generator does from the AST, it can just replace all passes
in the "generate" stage by its own one(s).
More generally, the stages make it possible to write plugins that do not
depend on names and actions of specific passes (which I consider
internal and subject of change), just on the definition of stages (which
I consider a public API with to which semver rules apply).
Implements part of GH-106.
|
12 years ago | |
|---|---|---|
| .. | ||
| compiler/passes | 12 years ago | |
| vendor/jasmine | 13 years ago | |
| README | 12 years ago | |
| generated-parser.spec.js | 12 years ago | |
| helpers.js | 12 years ago | |
| index.html | 12 years ago | |
| parser.spec.js | 12 years ago | |
README
PEG.js Spec Suite
=================
This is the PEG.js spec suite. It ensures PEG.js works correctly. All specs
should always pass on all supported platforms.
Running in a browser
--------------------
1. Make sure you have Node.js and all the development dependencies specified
in package.json installed.
2. Run the following command in the PEG.js root directory (one level up from
this one):
make browser
3. Start a web server and make it serve the PEG.js root directory.
4. Point your browser to an URL corresponding to the index.html file.
5. Watch the specs pass (or fail).
If you have Python installed, you can fulfill steps 3 and 4 by running the
following command in the PEG.js root directory
python -m SimpleHTTPServer
and loading http://localhost:8000/spec/index.html in your browser.
Running from a command-line
---------------------------
1. Make sure you have Node.js and all the development dependencies specified
in package.json installed.
2. Run the following command in the PEG.js root directory (one level up from
this one):
make spec
3. Watch the specs pass (or fail).