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var AST = {
Program: function(statements, blockParams, strip, locInfo) {
this.loc = locInfo;
this.type = 'Program';
this.body = statements;
this.blockParams = blockParams;
this.strip = strip;
},
MustacheStatement: function(path, params, hash, escaped, strip, locInfo) {
this.loc = locInfo;
this.type = 'MustacheStatement';
this.path = path;
this.params = params || [];
this.hash = hash;
this.escaped = escaped;
this.strip = strip;
},
BlockStatement: function(path, params, hash, program, inverse, openStrip, inverseStrip, closeStrip, locInfo) {
this.loc = locInfo;
this.type = 'BlockStatement';
this.path = path;
this.params = params || [];
this.hash = hash;
this.program = program;
this.inverse = inverse;
this.openStrip = openStrip;
this.inverseStrip = inverseStrip;
this.closeStrip = closeStrip;
},
PartialStatement: function(name, params, hash, strip, locInfo) {
this.loc = locInfo;
this.type = 'PartialStatement';
this.name = name;
this.params = params || [];
this.hash = hash;
this.indent = '';
this.strip = strip;
},
ContentStatement: function(string, locInfo) {
this.loc = locInfo;
this.type = 'ContentStatement';
this.original = this.value = string;
},
CommentStatement: function(comment, strip, locInfo) {
this.loc = locInfo;
this.type = 'CommentStatement';
this.value = comment;
this.strip = strip;
},
SubExpression: function(path, params, hash, locInfo) {
this.loc = locInfo;
this.type = 'SubExpression';
this.path = path;
this.params = params || [];
this.hash = hash;
},
PathExpression: function(data, depth, parts, original, locInfo) {
this.loc = locInfo;
this.type = 'PathExpression';
this.data = data;
this.original = original;
this.parts = parts;
this.depth = depth;
},
StringLiteral: function(string, locInfo) {
this.loc = locInfo;
this.type = 'StringLiteral';
this.original =
this.value = string;
},
NumberLiteral: function(number, locInfo) {
this.loc = locInfo;
this.type = 'NumberLiteral';
this.original =
this.value = Number(number);
},
BooleanLiteral: function(bool, locInfo) {
this.loc = locInfo;
this.type = 'BooleanLiteral';
this.original =
this.value = bool === 'true';
},
UndefinedLiteral: function(locInfo) {
this.loc = locInfo;
this.type = 'UndefinedLiteral';
this.original = this.value = undefined;
},
NullLiteral: function(locInfo) {
this.loc = locInfo;
this.type = 'NullLiteral';
this.original = this.value = null;
},
Hash: function(pairs, locInfo) {
this.loc = locInfo;
this.type = 'Hash';
this.pairs = pairs;
},
HashPair: function(key, value, locInfo) {
this.loc = locInfo;
this.type = 'HashPair';
this.key = key;
this.value = value;
},
// Public API used to evaluate derived attributes regarding AST nodes
helpers: {
// a mustache is definitely a helper if:
// * it is an eligible helper, and
// * it has at least one parameter or hash segment
helperExpression: function(node) {
return !!(node.type === 'SubExpression' || node.params.length || node.hash);
},
scopedId: function(path) {
return (/^\.|this\b/).test(path.original);
},
// an ID is simple if it only has one part, and that part is not
// `..` or `this`.
simpleId: function(path) {
return path.parts.length === 1 && !AST.helpers.scopedId(path) && !path.depth;
}
}
};
// Must be exported as an object rather than the root of the module as the jison lexer
// must modify the object to operate properly.
export default AST;
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