Package org.intellij.grammar.analysis

Class BnfFirstNextAnalyzer

java.lang.Object

org.intellij.grammar.analysis.BnfFirstNextAnalyzer

public class BnfFirstNextAnalyzer
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final BnfExpression	BNF_MATCHES_ANY
static final BnfExpression	BNF_MATCHES_EOF
static final BnfExpression	BNF_MATCHES_NOTHING
static final String	MATCHES_ANY
static final String	MATCHES_EOF
static final String	MATCHES_NOTHING

Method Summary

Modifier and Type	Method	Description
static @NotNull String	asString(@NotNull BnfExpression expression)
static Set<String>	asStrings(Set<BnfExpression> expressions)
Set<BnfExpression>	calcFirst(@NotNull BnfExpression expression)
Set<BnfExpression>	calcFirst(@NotNull BnfRule rule)
Set<BnfExpression>	calcFirstInner(BnfExpression expression, Set<BnfExpression> result, Set<BnfExpression> visited)
Set<BnfExpression>	calcFirstInner(BnfExpression expression, Set<BnfExpression> result, Set<BnfExpression> visited, @Nullable com.intellij.openapi.util.Pair<Boolean,List<BnfExpression>> forcedNext)
Map<BnfExpression,BnfExpression>	calcNext(@NotNull BnfExpression targetExpression)
Map<BnfExpression,BnfExpression>	calcNext(@NotNull BnfRule targetRule)
static BnfFirstNextAnalyzer	createAnalyzer(boolean predicateLookAhead)
static BnfFirstNextAnalyzer	createAnalyzer(boolean predicateLookAhead, boolean publicRuleOpaque, com.intellij.openapi.util.Condition<com.intellij.psi.PsiElement> parentFilter)
static BnfFirstNextAnalyzer	createBackwardAnalyzer(boolean publicRuleOpaque)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

MATCHES_EOF

public static final String MATCHES_EOF

See Also:

• Constant Field Values

MATCHES_NOTHING

public static final String MATCHES_NOTHING

See Also:

• Constant Field Values

MATCHES_ANY

public static final String MATCHES_ANY

See Also:

• Constant Field Values

BNF_MATCHES_EOF

public static final BnfExpression BNF_MATCHES_EOF

BNF_MATCHES_NOTHING

public static final BnfExpression BNF_MATCHES_NOTHING

BNF_MATCHES_ANY

public static final BnfExpression BNF_MATCHES_ANY

Method Details

createAnalyzer

public static BnfFirstNextAnalyzer createAnalyzer(boolean predicateLookAhead)

createAnalyzer

public static BnfFirstNextAnalyzer createAnalyzer(boolean predicateLookAhead,
 boolean publicRuleOpaque,
 com.intellij.openapi.util.Condition<com.intellij.psi.PsiElement> parentFilter)

createBackwardAnalyzer

public static BnfFirstNextAnalyzer createBackwardAnalyzer(boolean publicRuleOpaque)

calcFirst

public Set<BnfExpression> calcFirst(@NotNull
 @NotNull BnfRule rule)

calcFirst

public Set<BnfExpression> calcFirst(@NotNull
 @NotNull BnfExpression expression)

calcNext

public Map<BnfExpression,BnfExpression> calcNext(@NotNull
 @NotNull BnfRule targetRule)

calcNext

public Map<BnfExpression,BnfExpression> calcNext(@NotNull
 @NotNull BnfExpression targetExpression)

calcFirstInner

public Set<BnfExpression> calcFirstInner(BnfExpression expression,
 Set<BnfExpression> result,
 Set<BnfExpression> visited)

calcFirstInner

public Set<BnfExpression> calcFirstInner(BnfExpression expression,
 Set<BnfExpression> result,
 Set<BnfExpression> visited,
 @Nullable
 @Nullable com.intellij.openapi.util.Pair<Boolean,List<BnfExpression>> forcedNext)

asStrings

public static Set<String> asStrings(Set<BnfExpression> expressions)

asString

@NotNull
public static @NotNull String asString(@NotNull
 @NotNull BnfExpression expression)