phabel/php-parser
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Default to using php-yacc to generate the parsers

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This commit is contained in:
Nikita Popov 2019-10-19 15:24:38 +02:00
parent 3226eb4086
commit eacc5dbe19
3 changed files with 10 additions and 13 deletions
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3
composer.json
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@ -17,7 +17,8 @@
"ext-tokenizer": "*" "ext-tokenizer": "*"
}, },
"require-dev": { "require-dev": {
"phpunit/phpunit": "^6.5 || ^7.0 || ^8.0" "phpunit/phpunit": "^6.5 || ^7.0 || ^8.0",
"ircmaxell/php-yacc": "0.0.4"
}, },
"extra": { "extra": {
"branch-alias": { "branch-alias": {

10
grammar/README.md
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@ -21,8 +21,10 @@ applied to it:
Building the parser Building the parser
=================== ===================
In order to rebuild the parser, you need [moriyoshi's fork of kmyacc](https://github.com/moriyoshi/kmyacc-forked). Run `php grammar/rebuildParsers.php` to rebuild the parsers. Additional options:
After you compiled/installed it, run the `rebuildParsers.php` script.
By default only the `Parser.php` is built. If you want to additionally emit debug symbols and create `y.output`, run the * The `KMYACC` environment variable can be used to specify an alternative `kmyacc` binary.
script with `--debug`. If you want to retain the preprocessed grammar pass `--keep-tmp-grammar`. By default the `phpyacc` dev dependency will be used. To use the original `kmyacc`, you
need to compile [moriyoshi's fork](https://github.com/moriyoshi/kmyacc-forked).
* The `--debug` option enables emission of debug symbols and creates the `y.output` file.
* The `--keep-tmp-grammar` option preserves the preprocessed grammar file.

10
grammar/rebuildParsers.php
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@ -15,14 +15,8 @@ $tokensResultsFile = $resultDir . '/Tokens.php';
$kmyacc = getenv('KMYACC'); $kmyacc = getenv('KMYACC');
if (!$kmyacc) { if (!$kmyacc) {
// Check for kmyacc binary in this directory, otherwise fall back to global name // Use phpyacc from dev dependencies by default.
if (file_exists(__DIR__ . '/kmyacc.exe')) { $kmyacc = PHP_BINARY . ' ' . __DIR__ . '/../vendor/bin/phpyacc';
$kmyacc = __DIR__ . '/kmyacc.exe';
} else if (file_exists(__DIR__ . '/kmyacc')) {
$kmyacc = __DIR__ . '/kmyacc';
} else {
$kmyacc = 'kmyacc';
}
} }
$options = array_flip($argv); $options = array_flip($argv);