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minor AST cleanup (AST_BlockStatement may inherit from AST_Block)

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This commit is contained in:
Mihai Bazon
2012-10-09 13:52:32 +03:00
parent e1862cd36f
commit 9ead49641d
3 changed files with 17 additions and 30 deletions
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27
lib/ast.js
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@@ -123,7 +123,7 @@ var AST_Directive = DEFNODE("Directive", "value scope", {
}, AST_Statement);
var AST_SimpleStatement = DEFNODE("SimpleStatement", "body", {
$documentation: "A statement consisting of an expression, i.e. a = 1 + 2.",
$documentation: "A statement consisting of an expression, i.e. a = 1 + 2",
_walk: function(visitor) {
return visitor._visit(this, function(){
this.body._walk(visitor);
@@ -131,17 +131,6 @@ var AST_SimpleStatement = DEFNODE("SimpleStatement", "body", {
}
}, AST_Statement);
var AST_BlockStatement = DEFNODE("BlockStatement", "body", {
$documentation: "A block statement.",
_walk: function(visitor) {
return visitor._visit(this, function(){
this.body.forEach(function(stat){
stat._walk(visitor);
});
});
}
}, AST_Statement);
function walk_body(node, visitor) {
if (node.body instanceof AST_Statement) {
node.body._walk(visitor);
@@ -152,7 +141,7 @@ function walk_body(node, visitor) {
};
var AST_Block = DEFNODE("Block", "body", {
$documentation: "A block of statements (usually always bracketed)",
$documentation: "A body of statements (usually bracketed)",
_walk: function(visitor) {
return visitor._visit(this, function(){
walk_body(this, visitor);
@@ -160,15 +149,19 @@ var AST_Block = DEFNODE("Block", "body", {
}
}, AST_Statement);
var AST_BlockStatement = DEFNODE("BlockStatement", null, {
$documentation: "A block statement",
}, AST_Block);
var AST_EmptyStatement = DEFNODE("EmptyStatement", null, {
$documentation: "The empty statement (empty block or simply a semicolon).",
$documentation: "The empty statement (empty block or simply a semicolon)",
_walk: function(visitor) {
return visitor._visit(this);
}
}, AST_Statement);
var AST_StatementWithBody = DEFNODE("StatementWithBody", "body", {
$documentation: "Base class for all statements that contain one nested body: `For`, `ForIn`, `Do`, `While`, `With`.",
$documentation: "Base class for all statements that contain one nested body: `For`, `ForIn`, `Do`, `While`, `With`",
_walk: function(visitor) {
return visitor._visit(this, function(){
this.body._walk(visitor);
@@ -187,7 +180,7 @@ var AST_LabeledStatement = DEFNODE("LabeledStatement", "label", {
}, AST_StatementWithBody);
var AST_DWLoop = DEFNODE("DWLoop", "condition", {
$documentation: "Base class for do/while statements.",
$documentation: "Base class for do/while statements",
_walk: function(visitor) {
return visitor._visit(this, function(){
this.condition._walk(visitor);
@@ -469,7 +462,7 @@ var AST_Call = DEFNODE("Call", "expression args", {
});
var AST_New = DEFNODE("New", null, {
$documentation: "An object instantiation. Derives from a function call since it has exactly the same properties."
$documentation: "An object instantiation. Derives from a function call since it has exactly the same properties"
}, AST_Call);
var AST_Seq = DEFNODE("Seq", "car cdr", {