Package org.apache.groovy.parser.antlr4

Class SemanticPredicates

java.lang.Object

org.apache.groovy.parser.antlr4.SemanticPredicates

public class SemanticPredicates
extends Object

Some semantic predicates for altering the behaviour of the lexer and parser

Constructor Summary

Constructors

Constructor	Description
SemanticPredicates()

Method Summary

Modifier and Type	Method	Description
static boolean	isFollowedBy(org.antlr.v4.runtime.CharStream cs, char... chars)
static boolean	isFollowedByJavaLetterInGString(org.antlr.v4.runtime.CharStream cs)
static boolean	isFollowedByWhiteSpaces(org.antlr.v4.runtime.CharStream cs)
static boolean	isFollowingArgumentsOrClosure(org.apache.groovy.parser.antlr4.GroovyParser.ExpressionContext context)	Check whether following a method name of command expression.
static boolean	isInvalidLocalVariableDeclaration(org.antlr.v4.runtime.TokenStream ts)	Distinguish between local variable declaration and method call, e.g.
static boolean	isInvalidMethodDeclaration(org.antlr.v4.runtime.TokenStream ts)	Distinguish between method declaration and method call/constructor declaration

Methods inherited from class java.lang.Object

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

Constructor Details

SemanticPredicates

public SemanticPredicates()

Method Details

isFollowedByWhiteSpaces

public static boolean isFollowedByWhiteSpaces(org.antlr.v4.runtime.CharStream cs)

isFollowedBy

public static boolean isFollowedBy(org.antlr.v4.runtime.CharStream cs,
 char... chars)

isFollowedByJavaLetterInGString

public static boolean isFollowedByJavaLetterInGString(org.antlr.v4.runtime.CharStream cs)

isFollowingArgumentsOrClosure

public static boolean isFollowingArgumentsOrClosure(org.apache.groovy.parser.antlr4.GroovyParser.ExpressionContext context)

Check whether following a method name of command expression. Method name should not end with "2: arguments" and "3: closure"

Parameters:

context - the preceding expression

isInvalidMethodDeclaration

public static boolean isInvalidMethodDeclaration(org.antlr.v4.runtime.TokenStream ts)

Distinguish between method declaration and method call/constructor declaration

isInvalidLocalVariableDeclaration

public static boolean isInvalidLocalVariableDeclaration(org.antlr.v4.runtime.TokenStream ts)

Distinguish between local variable declaration and method call, e.g. `a b`