Java Code Examples for jdk.nashorn.internal.ir.Symbol#isConst()

The following examples show how to use jdk.nashorn.internal.ir.Symbol#isConst() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: MapCreator.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Compute property flags given local state of a field. May be overridden and extended,
 *
 * @param symbol       symbol to check
 * @param hasArguments does the created object have an "arguments" property
 *
 * @return flags to use for fields
 */
static int getPropertyFlags(final Symbol symbol, final boolean hasArguments, final boolean evalCode, final boolean dualFields) {
    int flags = 0;

    if (symbol.isParam()) {
        flags |= Property.IS_PARAMETER;
    }

    if (hasArguments) {
        flags |= Property.HAS_ARGUMENTS;
    }

    // See ECMA 5.1 10.5 Declaration Binding Instantiation.
    // Step 2  If code is eval code, then let configurableBindings
    // be true else let configurableBindings be false.
    // We have to make vars, functions declared in 'eval' code
    // configurable. But vars, functions from any other code is
    // not configurable.
    if (symbol.isScope() && !evalCode) {
        flags |= Property.NOT_CONFIGURABLE;
    }

    if (symbol.isFunctionDeclaration()) {
        flags |= Property.IS_FUNCTION_DECLARATION;
    }

    if (symbol.isConst()) {
        flags |= Property.NOT_WRITABLE;
    }

    if (symbol.isBlockScoped()) {
        flags |= Property.IS_LEXICAL_BINDING;
    }

    // Mark symbol as needing declaration. Access before declaration will throw a ReferenceError.
    if (symbol.isBlockScoped() && symbol.isScope()) {
        flags |= Property.NEEDS_DECLARATION;
    }

    if (dualFields) {
        flags |= Property.DUAL_FIELDS;
    }

    return flags;
}
Example 2
Source File: MapCreator.java    From jdk8u60 with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Compute property flags given local state of a field. May be overridden and extended,
 *
 * @param symbol       symbol to check
 * @param hasArguments does the created object have an "arguments" property
 *
 * @return flags to use for fields
 */
static int getPropertyFlags(final Symbol symbol, final boolean hasArguments, final boolean evalCode, final boolean dualFields) {
    int flags = 0;

    if (symbol.isParam()) {
        flags |= Property.IS_PARAMETER;
    }

    if (hasArguments) {
        flags |= Property.HAS_ARGUMENTS;
    }

    // See ECMA 5.1 10.5 Declaration Binding Instantiation.
    // Step 2  If code is eval code, then let configurableBindings
    // be true else let configurableBindings be false.
    // We have to make vars, functions declared in 'eval' code
    // configurable. But vars, functions from any other code is
    // not configurable.
    if (symbol.isScope() && !evalCode) {
        flags |= Property.NOT_CONFIGURABLE;
    }

    if (symbol.isFunctionDeclaration()) {
        flags |= Property.IS_FUNCTION_DECLARATION;
    }

    if (symbol.isConst()) {
        flags |= Property.NOT_WRITABLE;
    }

    if (symbol.isBlockScoped()) {
        flags |= Property.IS_LEXICAL_BINDING;
    }

    // Mark symbol as needing declaration. Access before declaration will throw a ReferenceError.
    if (symbol.isBlockScoped() && symbol.isScope()) {
        flags |= Property.NEEDS_DECLARATION;
    }

    if (dualFields) {
        flags |= Property.DUAL_FIELDS;
    }

    return flags;
}
Example 3
Source File: MapCreator.java    From openjdk-jdk8u with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Compute property flags given local state of a field. May be overridden and extended,
 *
 * @param symbol       symbol to check
 * @param hasArguments does the created object have an "arguments" property
 *
 * @return flags to use for fields
 */
static int getPropertyFlags(final Symbol symbol, final boolean hasArguments, final boolean evalCode, final boolean dualFields) {
    int flags = 0;

    if (symbol.isParam()) {
        flags |= Property.IS_PARAMETER;
    }

    if (hasArguments) {
        flags |= Property.HAS_ARGUMENTS;
    }

    // See ECMA 5.1 10.5 Declaration Binding Instantiation.
    // Step 2  If code is eval code, then let configurableBindings
    // be true else let configurableBindings be false.
    // We have to make vars, functions declared in 'eval' code
    // configurable. But vars, functions from any other code is
    // not configurable.
    if (symbol.isScope() && !evalCode) {
        flags |= Property.NOT_CONFIGURABLE;
    }

    if (symbol.isFunctionDeclaration()) {
        flags |= Property.IS_FUNCTION_DECLARATION;
    }

    if (symbol.isConst()) {
        flags |= Property.NOT_WRITABLE;
    }

    if (symbol.isBlockScoped()) {
        flags |= Property.IS_LEXICAL_BINDING;
    }

    // Mark symbol as needing declaration. Access before declaration will throw a ReferenceError.
    if (symbol.isBlockScoped() && symbol.isScope()) {
        flags |= Property.NEEDS_DECLARATION;
    }

    if (dualFields) {
        flags |= Property.DUAL_FIELDS;
    }

    return flags;
}
Example 4
Source File: MapCreator.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Compute property flags given local state of a field. May be overridden and extended,
 *
 * @param symbol       symbol to check
 * @param hasArguments does the created object have an "arguments" property
 *
 * @return flags to use for fields
 */
static int getPropertyFlags(final Symbol symbol, final boolean hasArguments, final boolean evalCode, final boolean dualFields) {
    int flags = 0;

    if (symbol.isParam()) {
        flags |= Property.IS_PARAMETER;
    }

    if (hasArguments) {
        flags |= Property.HAS_ARGUMENTS;
    }

    // See ECMA 5.1 10.5 Declaration Binding Instantiation.
    // Step 2  If code is eval code, then let configurableBindings
    // be true else let configurableBindings be false.
    // We have to make vars, functions declared in 'eval' code
    // configurable. But vars, functions from any other code is
    // not configurable.
    if (symbol.isScope() && !evalCode) {
        flags |= Property.NOT_CONFIGURABLE;
    }

    if (symbol.isFunctionDeclaration()) {
        flags |= Property.IS_FUNCTION_DECLARATION;
    }

    if (symbol.isConst()) {
        flags |= Property.NOT_WRITABLE;
    }

    if (symbol.isBlockScoped()) {
        flags |= Property.IS_LEXICAL_BINDING;
    }

    // Mark symbol as needing declaration. Access before declaration will throw a ReferenceError.
    if (symbol.isBlockScoped() && symbol.isScope()) {
        flags |= Property.NEEDS_DECLARATION;
    }

    if (dualFields) {
        flags |= Property.DUAL_FIELDS;
    }

    return flags;
}
Example 5
Source File: MapCreator.java    From openjdk-jdk9 with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Compute property flags given local state of a field. May be overridden and extended,
 *
 * @param symbol       symbol to check
 * @param hasArguments does the created object have an "arguments" property
 *
 * @return flags to use for fields
 */
static int getPropertyFlags(final Symbol symbol, final boolean hasArguments, final boolean evalCode, final boolean dualFields) {
    int flags = 0;

    if (symbol.isParam()) {
        flags |= Property.IS_PARAMETER;
    }

    if (hasArguments) {
        flags |= Property.HAS_ARGUMENTS;
    }

    // See ECMA 5.1 10.5 Declaration Binding Instantiation.
    // Step 2  If code is eval code, then let configurableBindings
    // be true else let configurableBindings be false.
    // We have to make vars, functions declared in 'eval' code
    // configurable. But vars, functions from any other code is
    // not configurable.
    if (symbol.isScope() && !evalCode) {
        flags |= Property.NOT_CONFIGURABLE;
    }

    if (symbol.isFunctionDeclaration()) {
        flags |= Property.IS_FUNCTION_DECLARATION;
    }

    if (symbol.isConst()) {
        flags |= Property.NOT_WRITABLE;
    }

    if (symbol.isBlockScoped()) {
        flags |= Property.IS_LEXICAL_BINDING;
    }

    // Mark symbol as needing declaration. Access before declaration will throw a ReferenceError.
    if (symbol.isBlockScoped() && symbol.isScope()) {
        flags |= Property.NEEDS_DECLARATION;
    }

    if (dualFields) {
        flags |= Property.DUAL_FIELDS;
    }

    return flags;
}
Example 6
Source File: MapCreator.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Compute property flags given local state of a field. May be overridden and extended,
 *
 * @param symbol       symbol to check
 * @param hasArguments does the created object have an "arguments" property
 *
 * @return flags to use for fields
 */
static int getPropertyFlags(final Symbol symbol, final boolean hasArguments, final boolean evalCode, final boolean dualFields) {
    int flags = 0;

    if (symbol.isParam()) {
        flags |= Property.IS_PARAMETER;
    }

    if (hasArguments) {
        flags |= Property.HAS_ARGUMENTS;
    }

    // See ECMA 5.1 10.5 Declaration Binding Instantiation.
    // Step 2  If code is eval code, then let configurableBindings
    // be true else let configurableBindings be false.
    // We have to make vars, functions declared in 'eval' code
    // configurable. But vars, functions from any other code is
    // not configurable.
    if (symbol.isScope() && !evalCode) {
        flags |= Property.NOT_CONFIGURABLE;
    }

    if (symbol.isFunctionDeclaration()) {
        flags |= Property.IS_FUNCTION_DECLARATION;
    }

    if (symbol.isConst()) {
        flags |= Property.NOT_WRITABLE;
    }

    if (symbol.isBlockScoped()) {
        flags |= Property.IS_LEXICAL_BINDING;
    }

    // Mark symbol as needing declaration. Access before declaration will throw a ReferenceError.
    if (symbol.isBlockScoped() && symbol.isScope()) {
        flags |= Property.NEEDS_DECLARATION;
    }

    if (dualFields) {
        flags |= Property.DUAL_FIELDS;
    }

    return flags;
}
Example 7
Source File: MapCreator.java    From jdk8u_nashorn with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Compute property flags given local state of a field. May be overridden and extended,
 *
 * @param symbol       symbol to check
 * @param hasArguments does the created object have an "arguments" property
 *
 * @return flags to use for fields
 */
static int getPropertyFlags(final Symbol symbol, final boolean hasArguments, final boolean evalCode, final boolean dualFields) {
    int flags = 0;

    if (symbol.isParam()) {
        flags |= Property.IS_PARAMETER;
    }

    if (hasArguments) {
        flags |= Property.HAS_ARGUMENTS;
    }

    // See ECMA 5.1 10.5 Declaration Binding Instantiation.
    // Step 2  If code is eval code, then let configurableBindings
    // be true else let configurableBindings be false.
    // We have to make vars, functions declared in 'eval' code
    // configurable. But vars, functions from any other code is
    // not configurable.
    if (symbol.isScope() && !evalCode) {
        flags |= Property.NOT_CONFIGURABLE;
    }

    if (symbol.isFunctionDeclaration()) {
        flags |= Property.IS_FUNCTION_DECLARATION;
    }

    if (symbol.isConst()) {
        flags |= Property.NOT_WRITABLE;
    }

    if (symbol.isBlockScoped()) {
        flags |= Property.IS_LEXICAL_BINDING;
    }

    // Mark symbol as needing declaration. Access before declaration will throw a ReferenceError.
    if (symbol.isBlockScoped() && symbol.isScope()) {
        flags |= Property.NEEDS_DECLARATION;
    }

    if (dualFields) {
        flags |= Property.DUAL_FIELDS;
    }

    return flags;
}