diff options
Diffstat (limited to 'js/src/frontend/SyntaxParseHandler.h')
| -rw-r--r-- | js/src/frontend/SyntaxParseHandler.h | 53 |
1 files changed, 37 insertions, 16 deletions
diff --git a/js/src/frontend/SyntaxParseHandler.h b/js/src/frontend/SyntaxParseHandler.h index 00ea9d35d..a604b599f 100644 --- a/js/src/frontend/SyntaxParseHandler.h +++ b/js/src/frontend/SyntaxParseHandler.h @@ -9,6 +9,8 @@ #include "mozilla/Attributes.h" +#include <string.h> + #include "frontend/ParseNode.h" #include "frontend/TokenStream.h" @@ -94,10 +96,13 @@ class SyntaxParseHandler // Nodes representing unparenthesized names. NodeUnparenthesizedArgumentsName, - NodeUnparenthesizedAsyncName, NodeUnparenthesizedEvalName, NodeUnparenthesizedName, + // Node representing the "async" name, which may actually be a + // contextual keyword. + NodePotentialAsyncKeyword, + // Valuable for recognizing potential destructuring patterns. NodeUnparenthesizedArray, NodeUnparenthesizedObject, @@ -183,8 +188,8 @@ class SyntaxParseHandler lastAtom = name; if (name == cx->names().arguments) return NodeUnparenthesizedArgumentsName; - if (name == cx->names().async) - return NodeUnparenthesizedAsyncName; + if (pos.begin + strlen("async") == pos.end && name == cx->names().async) + return NodePotentialAsyncKeyword; if (name == cx->names().eval) return NodeUnparenthesizedEvalName; return NodeUnparenthesizedName; @@ -219,6 +224,7 @@ class SyntaxParseHandler Node newThisLiteral(const TokenPos& pos, Node thisName) { return NodeGeneric; } Node newNullLiteral(const TokenPos& pos) { return NodeGeneric; } + Node newRawUndefinedLiteral(const TokenPos& pos) { return NodeGeneric; } template <class Boxer> Node newRegExp(RegExpObject* reobj, const TokenPos& pos, Boxer& boxer) { return NodeGeneric; } @@ -235,6 +241,10 @@ class SyntaxParseHandler return NodeUnparenthesizedUnary; } + Node newNullary(ParseNodeKind kind, JSOp op, const TokenPos& pos) { + return NodeGeneric; + } + Node newUnary(ParseNodeKind kind, JSOp op, uint32_t begin, Node kid) { return NodeUnparenthesizedUnary; } @@ -279,7 +289,7 @@ class SyntaxParseHandler Node newObjectLiteral(uint32_t begin) { return NodeUnparenthesizedObject; } Node newClassMethodList(uint32_t begin) { return NodeGeneric; } Node newClassNames(Node outer, Node inner, const TokenPos& pos) { return NodeGeneric; } - Node newClass(Node name, Node heritage, Node methodBlock) { return NodeGeneric; } + Node newClass(Node name, Node heritage, Node methodBlock, const TokenPos& pos) { return NodeGeneric; } Node newNewTarget(Node newHolder, Node targetHolder) { return NodeGeneric; } Node newPosHolder(const TokenPos& pos) { return NodeGeneric; } @@ -288,6 +298,7 @@ class SyntaxParseHandler MOZ_MUST_USE bool addPrototypeMutation(Node literal, uint32_t begin, Node expr) { return true; } MOZ_MUST_USE bool addPropertyDefinition(Node literal, Node name, Node expr) { return true; } MOZ_MUST_USE bool addShorthand(Node literal, Node name, Node expr) { return true; } + MOZ_MUST_USE bool addSpreadProperty(Node literal, uint32_t begin, Node inner) { return true; } MOZ_MUST_USE bool addObjectMethodDefinition(Node literal, Node name, Node fn, JSOp op) { return true; } MOZ_MUST_USE bool addClassMethodDefinition(Node literal, Node name, Node fn, JSOp op, bool isStatic) { return true; } Node newYieldExpression(uint32_t begin, Node value, Node gen) { return NodeGeneric; } @@ -302,6 +313,16 @@ class SyntaxParseHandler MOZ_MUST_USE bool prependInitialYield(Node stmtList, Node gen) { return true; } Node newEmptyStatement(const TokenPos& pos) { return NodeEmptyStatement; } + Node newExportDeclaration(Node kid, const TokenPos& pos) { + return NodeGeneric; + } + Node newExportFromDeclaration(uint32_t begin, Node exportSpecSet, Node moduleSpec) { + return NodeGeneric; + } + Node newExportDefaultDeclaration(Node kid, Node maybeBinding, const TokenPos& pos) { + return NodeGeneric; + } + Node newSetThis(Node thisName, Node value) { return value; } Node newExprStatement(Node expr, uint32_t end) { @@ -497,7 +518,7 @@ class SyntaxParseHandler return NodeParenthesizedArgumentsName; if (node == NodeUnparenthesizedEvalName) return NodeParenthesizedEvalName; - if (node == NodeUnparenthesizedName || node == NodeUnparenthesizedAsyncName) + if (node == NodeUnparenthesizedName || node == NodePotentialAsyncKeyword) return NodeParenthesizedName; if (node == NodeUnparenthesizedArray) @@ -528,9 +549,9 @@ class SyntaxParseHandler bool isUnparenthesizedName(Node node) { return node == NodeUnparenthesizedArgumentsName || - node == NodeUnparenthesizedAsyncName || node == NodeUnparenthesizedEvalName || - node == NodeUnparenthesizedName; + node == NodeUnparenthesizedName || + node == NodePotentialAsyncKeyword; } bool isNameAnyParentheses(Node node) { @@ -541,9 +562,11 @@ class SyntaxParseHandler node == NodeParenthesizedName; } - bool nameIsEvalAnyParentheses(Node node, ExclusiveContext* cx) { - MOZ_ASSERT(isNameAnyParentheses(node), - "must only call this function on known names"); + bool isArgumentsAnyParentheses(Node node, ExclusiveContext* cx) { + return node == NodeUnparenthesizedArgumentsName || node == NodeParenthesizedArgumentsName; + } + + bool isEvalAnyParentheses(Node node, ExclusiveContext* cx) { return node == NodeUnparenthesizedEvalName || node == NodeParenthesizedEvalName; } @@ -551,17 +574,15 @@ class SyntaxParseHandler MOZ_ASSERT(isNameAnyParentheses(node), "must only call this method on known names"); - if (nameIsEvalAnyParentheses(node, cx)) + if (isEvalAnyParentheses(node, cx)) return js_eval_str; - if (node == NodeUnparenthesizedArgumentsName || node == NodeParenthesizedArgumentsName) + if (isArgumentsAnyParentheses(node, cx)) return js_arguments_str; return nullptr; } - bool nameIsUnparenthesizedAsync(Node node, ExclusiveContext* cx) { - MOZ_ASSERT(isNameAnyParentheses(node), - "must only call this function on known names"); - return node == NodeUnparenthesizedAsyncName; + bool isAsyncKeyword(Node node, ExclusiveContext* cx) { + return node == NodePotentialAsyncKeyword; } PropertyName* maybeDottedProperty(Node node) { |