Lines Matching refs:ast

4 function walkAST(ast, before, after, options) {  argument
16     ast = replacement;
20     parents[0].type === 'RawInclude' && ast.type === 'IncludeFilter');
23     var result = before(ast, replace);
25       return ast;
26     } else if (Array.isArray(ast)) {
28       return walkAndMergeNodes(ast);
32   parents.unshift(ast);
34   switch (ast.type) {
37       ast.nodes = walkAndMergeNodes(ast.nodes);
47       if (ast.block) {
48         ast.block = walkAST(ast.block, before, after, options);
52       if (ast.block) {
53         ast.block = walkAST(ast.block, before, after, options);
55       if (ast.alternate) {
56         ast.alternate = walkAST(ast.alternate, before, after, options);
60       if (ast.consequent) {
61         ast.consequent = walkAST(ast.consequent, before, after, options);
63       if (ast.alternate) {
64         ast.alternate = walkAST(ast.alternate, before, after, options);
68       walkAST(ast.block, before, after, options);
69       walkAST(ast.file, before, after, options);
72       walkAST(ast.file, before, after, options);
75       ast.filters = walkAndMergeNodes(ast.filters);
76       walkAST(ast.file, before, after, options);
88       if (options.includeDependencies && ast.ast) {
89         walkAST(ast.ast, before, after, options);
93       throw new Error('Unexpected node type ' + ast.type);
99   after && after(ast, replace);
100   return ast;