diff options
Diffstat (limited to 'mako/codegen.py')
| -rw-r--r-- | mako/codegen.py | 42 |
1 files changed, 37 insertions, 5 deletions
diff --git a/mako/codegen.py b/mako/codegen.py index 045d03c..ec587ba 100644 --- a/mako/codegen.py +++ b/mako/codegen.py @@ -14,7 +14,7 @@ from mako import util, ast, parsetree, filters, exceptions from mako import compat -MAGIC_NUMBER = 9 +MAGIC_NUMBER = 10 # names which are hardwired into the # template and are not accessed via the @@ -102,6 +102,8 @@ class _GenerateRenderMethod(object): self.last_source_line = -1 self.compiler = compiler self.node = node + self.source_map = {} + self.boilerplate_map = [] self.identifier_stack = [None] self.in_def = isinstance(node, (parsetree.DefTag, parsetree.BlockTag)) @@ -146,6 +148,27 @@ class _GenerateRenderMethod(object): for node in defs: _GenerateRenderMethod(printer, compiler, node) + if not self.in_def: + self.write_metadata_struct() + + def write_metadata_struct(self): + self.source_map[self.printer.lineno] = self.last_source_line + struct = { + "filename": self.compiler.filename, + "uri": self.compiler.uri, + "source_encoding": self.compiler.source_encoding, + "line_map": self.source_map, + "boilerplate_lines": self.boilerplate_map + } + self.mark_boilerplate() + self.printer.writelines( + '"""', + '__M_BEGIN_METADATA', + compat.json.dumps(struct), + '__M_END_METADATA\n' + '"""' + ) + @property def identifiers(self): return self.identifier_stack[-1] @@ -232,7 +255,7 @@ class _GenerateRenderMethod(object): [n.name for n in main_identifiers.topleveldefs.values()] ) - self.printer.write("\n\n") + self.printer.write_blanks(2) if len(module_code): self.write_module_code(module_code) @@ -251,6 +274,7 @@ class _GenerateRenderMethod(object): this could be the main render() method or that of a top-level def.""" + self.mark_boilerplate() if self.in_def: decorator = node.decorator if decorator: @@ -288,7 +312,7 @@ class _GenerateRenderMethod(object): self.write_def_finish(self.node, buffered, filtered, cached) self.printer.writeline(None) - self.printer.write("\n\n") + self.printer.write_blanks(2) if cached: self.write_cache_decorator( node, name, @@ -305,6 +329,7 @@ class _GenerateRenderMethod(object): def write_inherit(self, node): """write the module-level inheritance-determination callable.""" + self.mark_boilerplate() self.printer.writelines( "def _mako_inherit(template, context):", "_mako_generate_namespaces(context)", @@ -315,6 +340,7 @@ class _GenerateRenderMethod(object): def write_namespaces(self, namespaces): """write the module-level namespace-generating callable.""" + self.mark_boilerplate() self.printer.writelines( "def _mako_get_namespace(context, name):", "try:", @@ -401,7 +427,7 @@ class _GenerateRenderMethod(object): self.printer.writeline( "context.namespaces[(__name__, %s)] = ns" % repr(node.name)) - self.printer.write("\n") + self.printer.write_blanks(1) if not len(namespaces): self.printer.writeline("pass") self.printer.writeline(None) @@ -536,9 +562,12 @@ class _GenerateRenderMethod(object): """write a source comment containing the line number of the corresponding template line.""" if self.last_source_line != node.lineno: - self.printer.writeline("# SOURCE LINE %d" % node.lineno) + self.source_map[self.printer.lineno] = node.lineno self.last_source_line = node.lineno + def mark_boilerplate(self): + self.boilerplate_map.append(self.printer.lineno) + def write_def_decl(self, node, identifiers): """write a locally-available callable referencing a top-level def""" funcname = node.funcname @@ -606,6 +635,7 @@ class _GenerateRenderMethod(object): writes code to retrieve captured content, apply filters, send proper return value.""" + self.mark_boilerplate() if not buffered and not cached and not filtered: self.printer.writeline("return ''") if callstack: @@ -861,6 +891,7 @@ class _GenerateRenderMethod(object): pass def visitBlockTag(self, node): + self.mark_boilerplate() if node.is_anonymous: self.printer.writeline("%s()" % node.funcname) else: @@ -930,6 +961,7 @@ class _GenerateRenderMethod(object): n.accept_visitor(self) self.identifier_stack.pop() + self.mark_boilerplate() self.write_def_finish(node, buffered, False, False, callstack=False) self.printer.writelines( None, |