Examples with MemberVariableTree com.google.javascript.jscomp.parsing.parser.trees.MemberVariableTree used on opensource projects

Example 1 with MemberVariableTree

use of com.google.javascript.jscomp.parsing.parser.trees.MemberVariableTree in project closure-compiler by google.

the class Parser method parseIndexSignature.

private IndexSignatureTree parseIndexSignature() {
    SourcePosition start = getTreeStartLocation();
    eat(TokenType.OPEN_SQUARE);
    IdentifierToken name = eatIdOrKeywordAsId();
    eat(TokenType.COLON);
    // must be 'string' or 'number'
    ParseTree indexType = parseTypeName();
    eat(TokenType.CLOSE_SQUARE);
    eat(TokenType.COLON);
    ParseTree declaredType = parseType();
    ParseTree nameTree = new MemberVariableTree(getTreeLocation(start), name, false, false, null, indexType);
    return new IndexSignatureTree(getTreeLocation(start), nameTree, declaredType);
}

Example 2 with MemberVariableTree

use of com.google.javascript.jscomp.parsing.parser.trees.MemberVariableTree in project closure-compiler by google.

the class Parser method parseInterfaceElement.

private ParseTree parseInterfaceElement() {
    SourcePosition start = getTreeStartLocation();
    boolean isGenerator = eatOpt(TokenType.STAR) != null;
    IdentifierToken name = null;
    TokenType type = peekType();
    if (type == TokenType.NEW) {
        // ConstructSignature
        return parseCallSignature(true);
    } else if (type == TokenType.IDENTIFIER || Keywords.isKeyword(type)) {
        name = eatIdOrKeywordAsId();
    } else if (type == TokenType.OPEN_SQUARE) {
        // IndexSignature
        return parseIndexSignature();
    } else if (type == TokenType.OPEN_ANGLE || type == TokenType.OPEN_PAREN) {
        // CallSignature
        return parseCallSignature(false);
    }
    boolean isOptional = false;
    if (peek(TokenType.QUESTION)) {
        eat(TokenType.QUESTION);
        isOptional = true;
    }
    if (peek(TokenType.OPEN_PAREN) || peek(TokenType.OPEN_ANGLE)) {
        // Method signature.
        ParseTree function = parseMethodSignature(start, name, false, isGenerator, isOptional, null);
        return function;
    } else {
        // Property signature.
        ParseTree declaredType = maybeParseColonType();
        return new MemberVariableTree(getTreeLocation(start), name, false, isOptional, null, declaredType);
    }
}

Example 3 with MemberVariableTree

use of com.google.javascript.jscomp.parsing.parser.trees.MemberVariableTree in project closure-compiler by google.

the class Parser method parseClassMemberDeclaration.

private ParseTree parseClassMemberDeclaration(PartialClassElement partial) {
    boolean isGenerator = eatOpt(TokenType.STAR) != null;
    ParseTree nameExpr;
    IdentifierToken name;
    if (peekPropertyName(0)) {
        if (peekIdOrKeyword()) {
            nameExpr = null;
            name = eatIdOrKeywordAsId();
            if (Keywords.isKeyword(name.value)) {
                features = features.with(Feature.KEYWORDS_AS_PROPERTIES);
            }
        } else {
            // { 'str'() {} }
            // { 123() {} }
            // Treat these as if they were computed properties.
            name = null;
            nameExpr = parseLiteralExpression();
        }
    } else {
        if (config.parseTypeSyntax && peekIndexSignature()) {
            ParseTree indexSignature = parseIndexSignature();
            eatPossibleImplicitSemiColon();
            return indexSignature;
        }
        nameExpr = parseComputedPropertyName();
        name = null;
    }
    // Member variables are supported only when parsing type syntax
    if (!config.parseTypeSyntax || peek(TokenType.OPEN_PAREN) || peek(TokenType.OPEN_ANGLE)) {
        // Member function.
        FunctionDeclarationTree.Kind kind;
        TokenType accessOnFunction;
        if (nameExpr == null) {
            kind = FunctionDeclarationTree.Kind.MEMBER;
            accessOnFunction = partial.accessModifier;
        } else {
            kind = FunctionDeclarationTree.Kind.EXPRESSION;
            // Accessibility modifier goes on the ComputedPropertyMethodTree
            accessOnFunction = null;
        }
        ParseTree function;
        if (partial.isAmbient) {
            function = parseMethodSignature(partial, name, isGenerator, /* isOptional */
            false);
            eatPossibleImplicitSemiColon();
        } else {
            FunctionDeclarationTree.Builder builder = FunctionDeclarationTree.builder(kind).setName(name).setStatic(partial.isStatic).setAccess(accessOnFunction);
            parseFunctionTail(builder, isGenerator ? FunctionFlavor.GENERATOR : FunctionFlavor.NORMAL);
            function = builder.build(getTreeLocation(partial.start));
        }
        if (kind == FunctionDeclarationTree.Kind.MEMBER) {
            return function;
        } else {
            return new ComputedPropertyMethodTree(getTreeLocation(partial.start), partial.accessModifier, nameExpr, function);
        }
    } else {
        // Member variable.
        if (isGenerator) {
            reportError("Member variable cannot be prefixed by '*' (generator function)");
        }
        ParseTree declaredType = maybeParseColonType();
        if (peek(TokenType.EQUAL)) {
            reportError("Member variable initializers ('=') are not supported");
        }
        eatPossibleImplicitSemiColon();
        if (nameExpr == null) {
            return new MemberVariableTree(getTreeLocation(partial.start), name, partial.isStatic, false, partial.accessModifier, declaredType);
        } else {
            return new ComputedPropertyMemberVariableTree(getTreeLocation(partial.start), nameExpr, partial.isStatic, partial.accessModifier, declaredType);
        }
    }
}