Move art into compiler dir

1 files changed, 103 insertions, 0 deletions

diff --git a/lib/handlebars/compiler/ast.js b/lib/handlebars/compiler/ast.js
new file mode 100644
index 0000000..6c3711b
--- /dev/null
+++ b/lib/handlebars/compiler/ast.js
@@ -0,0 +1,103 @@
+var Handlebars = require("handlebars");
+
+// BEGIN(BROWSER)
+(function() {
+
+  Handlebars.AST = {};
+
+  Handlebars.AST.ProgramNode = function(statements, inverse) {
+    this.type = "program";
+    this.statements = statements;
+    if(inverse) { this.inverse = new Handlebars.AST.ProgramNode(inverse); }
+  };
+
+  Handlebars.AST.MustacheNode = function(params, hash, unescaped) {
+    this.type = "mustache";
+    this.id = params[0];
+    this.params = params.slice(1);
+    this.hash = hash;
+    this.escaped = !unescaped;
+  };
+
+  Handlebars.AST.PartialNode = function(id, context) {
+    this.type    = "partial";
+
+    // TODO: disallow complex IDs
+
+    this.id      = id;
+    this.context = context;
+  };
+
+  var verifyMatch = function(open, close) {
+    if(open.original !== close.original) {
+      throw new Handlebars.Exception(open.original + " doesn't match " + close.original);
+    }
+  };
+
+  Handlebars.AST.BlockNode = function(mustache, program, close) {
+    verifyMatch(mustache.id, close);
+    this.type = "block";
+    this.mustache = mustache;
+    this.program  = program;
+  };
+
+  Handlebars.AST.InverseNode = function(mustache, program, close) {
+    verifyMatch(mustache.id, close);
+    this.type = "inverse";
+    this.mustache = mustache;
+    this.program  = program;
+  };
+
+  Handlebars.AST.ContentNode = function(string) {
+    this.type = "content";
+    this.string = string;
+  };
+
+  Handlebars.AST.HashNode = function(pairs) {
+    this.type = "hash";
+    this.pairs = pairs;
+  };
+
+  Handlebars.AST.IdNode = function(parts) {
+    this.type = "ID";
+    this.original = parts.join(".");
+
+    var dig = [], depth = 0;
+
+    for(var i=0,l=parts.length; i<l; i++) {
+      var part = parts[i];
+
+      if(part === "..") { depth++; }
+      else if(part === "." || part === "this") { this.isScoped = true; }
+      else { dig.push(part); }
+    }
+
+    this.parts    = dig;
+    this.string   = dig.join('.');
+    this.depth    = depth;
+    this.isSimple = (dig.length === 1) && (depth === 0);
+  };
+
+  Handlebars.AST.StringNode = function(string) {
+    this.type = "STRING";
+    this.string = string;
+  };
+
+  Handlebars.AST.IntegerNode = function(integer) {
+    this.type = "INTEGER";
+    this.integer = integer;
+  };
+
+  Handlebars.AST.BooleanNode = function(bool) {
+    this.type = "BOOLEAN";
+    this.bool = bool;
+  };
+
+  Handlebars.AST.CommentNode = function(comment) {
+    this.type = "comment";
+    this.comment = comment;
+  };
+
+})();
+// END(BROWSER)
+