Class: PHP_ParserGenerator_Rule

Source Location: /ParserGenerator/Rule.php

Class PHP_ParserGenerator_Rule

Class Overview

Each production rule in the grammar is stored in this class

Located in /ParserGenerator/Rule.php [line 58]

Author(s):

Gregory Beaver <cellog@php.net>

Information Tags:

Since:	Class available since Release 0.1.0
Version:	@package_version@
License:	New BSD License
Copyright:	2006 Gregory Beaver

Properties

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Property Summary

boolean	$canReduce	True if this rule is ever reduced
string\|0	$code	The code executed when this rule is reduced
int	$index	An index number for this rule
array	$lhs	Left-hand side of the rule
array	$lhsalias	Alias for the LHS (NULL if none)
int	$line	Line number at which code begins
PHP_ParserGenerator_Rule\|0	$next	Next rule in the global list
PHP_ParserGenerator_Rule\|0	$nextlhs	Next rule with the same left-hand side
mixed	$nrhs	Number of right-hand side symbols
PHP_ParserGenerator_Symbol	$precsym	Precedence symbol for this rule
array	$rhs	The right-hand side symbols
array	$rhsalias	Aliases for each right-hand side symbol, or null if no alis.
int	$ruleline	Line number for the rule

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Properties

boolean $canReduce [line 129]

True if this rule is ever reduced

API Tags:

Access:

public

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string|0 $code [line 111]

The code executed when this rule is reduced

 foo(R) ::= BAR(A) baz(B). {R = A + B;}

In the rule above, the code is "R = A + B;"

API Tags:

Access:

public

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int $index [line 124]

An index number for this rule

Used in both naming of reduce functions and determining which rule code to use for reduce actions

API Tags:

Access:

public

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array $lhs [line 63]

Left-hand side of the rule

API Tags:

Access:

public

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array $lhsalias = array() [line 69]

Alias for the LHS (NULL if none)

API Tags:

Access:

public

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int $line [line 100]

Line number at which code begins

API Tags:

Access:

public

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PHP_ParserGenerator_Rule|0 $next [line 139]

Next rule in the global list

API Tags:

Access:

public

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PHP_ParserGenerator_Rule|0 $nextlhs [line 134]

Next rule with the same left-hand side

API Tags:

Access:

public

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mixed $nrhs [line 78]

Number of right-hand side symbols

API Tags:

Access:

public

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PHP_ParserGenerator_Symbol $precsym [line 116]

Precedence symbol for this rule

API Tags:

Access:

public

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array $rhs [line 83]

The right-hand side symbols

API Tags:

Access:

public

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array $rhsalias = array() [line 95]

Aliases for each right-hand side symbol, or null if no alis.

In this rule:

 foo ::= BAR(A) baz(B).

The right-hand side aliases are A for BAR, and B for baz.

API Tags:

Access:

public

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int $ruleline [line 74]

Line number for the rule

API Tags:

Access:

public

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Documentation generated on Sun, 02 Jul 2006 09:11:11 -0400 by phpDocumentor 1.3.0

	PHP_ParserGenerator

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