--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/yml2/backend.py Tue Mar 17 10:12:14 2020 +0100
@@ -0,0 +1,844 @@
+# 2.6.1 backend
+
+# written by VB.
+
+import re, codecs
+import fileinput
+import sys, traceback, os
+from xml.sax.saxutils import escape, quoteattr
+from copy import copy, deepcopy
+from glob import glob
+from .pyPEG import code, parse, parseLine, u, Symbol
+from . import ymlCStyle, comment, _inner
+
+ymlFunc, pointers, pythonFunc = {}, {}, {}
+in_ns = ""
+operator = []
+included = ""
+includePath = []
+emitlinenumbers = False
+encoding = "utf-8"
+
+first = True
+enable_tracing = False
+
+ymlFunc["decl"] = "#error"
+ymlFunc["define"] = "#error"
+ymlFunc["operator"] = "#error"
+
+def clearAll():
+ global ymlFunc, pointers, pythonFunc, in_ns, operator, included
+ ymlFunc, pointers, pythonFunc = {}, {}, {}
+ in_ns = ""
+ operator = []
+ included = ""
+
+lq = re.compile(r"\|(\>*)(.*)")
+sq = re.compile(r"(\d*)\>(.*)")
+ts = re.compile(r'(\|\|(?P<inds>\>*)\s*\n(?P<text1>.*?)\n(?P<base>\s*)\|\|)|("""(?P<text2>.*?)""")|(\>\>(?P<text3>.*?)\>\>)', re.S)
+tq = re.compile(r"(\]|\<)\s*(.*)")
+bq = re.compile(r"\`(.*?)\`", re.S)
+bqq = re.compile(r"\s*\`\`(.*)")
+all = re.compile(r".*", re.S)
+
+line = 1
+
+def pointer(name):
+ try:
+ return u(pointers[name[1:]])
+ except:
+ if name == "*_trace_info":
+ return '""'
+ if included:
+ raise LookupError("in " + included + ":" + u(line) + ": pointer " + name)
+ else:
+ raise LookupError("in " + u(line) + ": pointer " + name)
+
+def evalPython(expr):
+ try:
+ result = eval(u(expr), pythonFunc)
+ if type(result) is bytes:
+ return codecs.decode(result, encoding)
+ else:
+ return result
+ except:
+ name, parm, tb = sys.exc_info()
+ msg = "in python expression: " + u(parm)
+ if name is SyntaxError:
+ tbl = traceback.format_exception(name, parm, tb)
+ msg += "\n" + tbl[-3] + tbl[-2]
+ else:
+ msg += ": " + expr + "\n"
+ if included:
+ raise name("in " + included + ":" + u(line) + ": " + msg)
+ else:
+ raise name("in " + u(line) + ": " + msg)
+
+def execPython(script):
+ try:
+ if type(script) is str:
+ exec(script, pythonFunc)
+ else:
+ exec(codecs.decode(script, encoding), pythonFunc)
+ except:
+ name, parm, tb = sys.exc_info()
+ msg = "in python script: " + u(parm)
+ if name is SyntaxError:
+ tbl = traceback.format_exception(name, parm, tb)
+ msg += "\n" + tbl[-3] + tbl[-2]
+ else:
+ msg += ": " + expr + "\n"
+ if included:
+ raise name("in " + included + ":" + u(line) + ": " + msg)
+ else:
+ raise name("in " + u(line) + ": " + msg)
+
+def textOut(text):
+ if not text:
+ return ""
+ if type(text) is not str:
+ text = codecs.decode(text, encoding)
+ text = text.replace(r'\"', r'\\"')
+ text = '"""' + text.replace('"', r'\"') + '"""'
+ try:
+ textFunc = ymlFunc["text"]
+ parms = ['text', ('parm', [text])]
+ c, result = textFunc(parms)
+ if c:
+ if type(textFunc.alias) is str:
+ result += "</" + textFunc.alias + ">"
+ else:
+ result += "</" + codecs.decode(textFunc.alias, encoding) + ">"
+ return result
+ except:
+ return escape(eval(text))
+
+def strRepl(text):
+ if not text:
+ return ""
+ if type(text) is not str:
+ text = codecs.decode(text, encoding)
+ text = text.replace(r'\"', r'\\"')
+ text = '"""' + text.replace('"', r'\"') + '"""'
+ if type(text) is str:
+ return escape(eval(text))
+
+def applyMacros(macros, text):
+ result = text
+ for key, value in macros.items():
+ result = result.replace(key, value)
+ return result
+
+class YF:
+ def __init__(self, name):
+ self.name = name
+ self.parms = []
+ self.descends = []
+ self.values = {}
+ self.content = None
+ self.pointers = {}
+ self.macros = {}
+ if in_ns:
+ self.alias = in_ns + ":" + name.replace("_", "-")
+ else:
+ self.alias = name.replace("_", "-")
+ pythonFunc["yml_" + name] = self
+ if emitlinenumbers:
+ self.values["yml:declared"] = u(line)
+
+ def copy(self, newName):
+ yf = YF(newName)
+ yf.parms.extend(self.parms)
+ yf.descends.extend(self.descends)
+ yf.values = self.values.copy()
+ yf.content = self.content
+ yf.pointers = self.pointers.copy()
+ yf.macros = self.macros.copy()
+ yf.alias = self.alias
+ return yf
+
+ def patch(self, second):
+ self.parms.extend(second.parms)
+ self.descends.extend(second.descends)
+ self.values.update(second.values)
+ if second.content:
+ self.content = second.content
+ self.pointers.update(second.pointers)
+ self.macros.update(second.macros)
+
+ def __call__(self, called_with, hasContent = False, avoidTag = False):
+ global pointers
+ parms = []
+ vals = {}
+ if self.pointers:
+ pointers.update(self.pointers)
+
+ for data in called_with:
+ if type(data) is tuple or type(data) is Symbol:
+ if data[0] == "parm":
+ l = data[1]
+ parm = l[0]
+ if parm[0] == "*":
+ parm = pointer(parm)
+ if len(l) == 1:
+ if type(parm) is tuple or type(parm) is Symbol:
+ if parm[0] == "pyExp":
+ val = evalPython(parm[1][0])
+ parms.append(val)
+ else:
+ parms.append(evalPython((parm)))
+ else:
+ if type(parm) is tuple or type(parm) is Symbol:
+ if parm[0] == "pyExp":
+ parm = evalPython(parm[1][0])
+ val = l[1]
+ if type(val) is tuple or type(val) is Symbol:
+ if val[0] == "pyExp":
+ val = evalPython(val[1][0])
+ if val[0] == "*":
+ val = pointer(val)
+ if u(val)[0] == '"' or u(val)[0] == "'":
+ vals[parm] = evalPython(u(val))
+ else:
+ vals[parm] = u(val)
+ elif data[0] == "content":
+ hasContent = True
+
+ if enable_tracing:
+ text = u(parms) + ", " + u(vals)
+ pointers["_trace_info"] = '"' + u(line) + ": " + u(self.name) + " " + text.replace('"', '#') + '"'
+
+ if emitlinenumbers:
+ global first
+ if first:
+ vals["xmlns:yml"] = "http://fdik.org/yml"
+ first = False
+ vals["yml:called"] = u(line)
+ return self.xml(parms, vals, hasContent, avoidTag)
+
+ def addParm(self, parm):
+ if parm[0] == "%":
+ for i in range(len(self.parms)):
+ if self.parms[i][0] != "%":
+ self.parms.insert(i, parm)
+ return
+ self.parms.append(parm)
+
+ def addDescend(self, desc):
+ if desc[0] == "+" or desc[0] == "@":
+ self.descends.append(desc[1:])
+ else:
+ self.descends.append(desc)
+
+ def addValue(self, parm, value):
+ if type(value) is str or type(value) is str:
+ if value[0] != "'" and value[0] != '"':
+ self.values[parm] = u(value)
+ else:
+ self.values[parm] = u(evalPython(value))
+ else:
+ self.values[parm] = u(evalPython(u(value)))
+
+ def xml(self, callParms, callValues, hasContent, avoidTag = False):
+ global pointers
+ extraContent = ""
+ if self.content:
+ hasContent = True
+ resultParms = self.values.copy()
+ macros = self.macros.copy()
+ toDelete = [ key for key in resultParms.keys() ]
+ for key in toDelete:
+ if key[0] == "*":
+ del resultParms[key]
+ for key, value in callValues.items():
+ if key[0] == "%":
+ macros[key] = value
+ else:
+ resultParms[key] = value
+ i = 0
+ for cp in callParms:
+ if i < len(self.parms):
+ if self.parms[i][0] == "*":
+ cp = u(cp)
+ if "'" in cp:
+ pointers[self.parms[i][1:]] = '"' + cp + '"'
+ else:
+ pointers[self.parms[i][1:]] = "'" + cp + "'"
+ elif self.parms[i][0] == "%":
+ macros[self.parms[i]] = u(cp)
+ else:
+ resultParms[self.parms[i]] = cp
+ else:
+ extraContent += u(cp)
+ hasContent = True
+ i += 1
+ result = ""
+ for p, v in resultParms.items():
+ if p[0] == "'" or p[0] == '"':
+ p = eval(p)
+ result += " "+ p + "=" + quoteattr(applyMacros(macros, u(v)))
+ if hasContent:
+ if avoidTag:
+ return True, strRepl(extraContent)
+ else:
+ return True, "<" + self.alias + result + ">" + strRepl(extraContent)
+ else:
+ if avoidTag:
+ return False, ""
+ else:
+ return False, "<" + self.alias + result + "/>"
+
+def replaceContent(tree, subtree):
+ n = 0
+ while n < len(tree):
+ obj = tree[n]
+ if obj[0] == "func":
+ l = obj[1]
+ if l[0] == "content":
+ d = 1
+ if subtree:
+ for el in subtree:
+ tree.insert(n+d, el)
+ d += 1
+ del tree[n]
+ n += d
+ else:
+ try:
+ if l[-1][0] == "content":
+ replaceContent(l[-1][1], subtree)
+ except: pass
+ elif obj[0] == "funclist":
+ replaceContent(obj[1], subtree)
+ n += 1
+ return tree
+
+def executeCmd(text):
+ if type(text) is not str:
+ text = codecs.decode(text, encoding)
+ for (regex, pattern) in operator:
+ match = re.search(regex, text)
+ while match:
+ cmd = pattern
+ opt = match.groups()
+ for i in range(len(opt)):
+ cmd = cmd.replace("%" + u(i+1), opt[i])
+ text = text[:match.start()] + "`" + cmd + "`"+ text[match.end():]
+ match = re.search(regex, text)
+
+ result = ""
+ m = re.search(bq, text)
+ while text and m:
+ cmd = m.group(1)
+ head = textOut(text[:m.start()])
+ text = text[m.end():]
+ try:
+ r, rest = parseLine(cmd, _inner, [], True, comment)
+ if rest: raise SyntaxError(cmd)
+ except SyntaxError:
+ if included:
+ raise SyntaxError("in " + included + ":" + u(line) + ": syntax error in executing command: " + cmd.strip())
+ else:
+ raise SyntaxError("in " + u(line) + ": syntax error in executing command: " + cmd.strip())
+ inner = _finish(r)
+ result += head + inner
+ m = re.search(bq, text)
+ result += textOut(text)
+
+ return result
+
+def codegen(obj):
+ global in_ns, pointers, line, included
+ ctype = obj[0]
+
+ if type(obj) is code:
+ return obj
+
+ try:
+ if ctype.line: line = ctype.line
+ except: pass
+
+ if ctype == "empty":
+ return code("")
+
+ if ctype == "in_ns":
+ in_ns = obj[1][0]
+ subtree = obj[1]
+ for sel in subtree:
+ codegen(sel)
+ in_ns = ""
+ return code("")
+
+ elif ctype == "decl":
+ name = ""
+ for data in obj[1]:
+ if type(data) is str:
+ name = data
+ try:
+ yf = ymlFunc[name]
+ yf.alias
+ except:
+ ymlFunc[name] = YF(name)
+ yf = ymlFunc[name]
+ if in_ns:
+ yf.alias = in_ns + ":" + name
+ if not enable_tracing:
+ if in_ns == "xsl" and (name == "debug" or name=="assert" or name[:7]=="_trace_"):
+ yf.alias = "-"
+ yf.addParm("skip1")
+ yf.addParm("skip2")
+ break
+ elif type(data) is tuple or type(data) is Symbol:
+ if data[0] == "base":
+ base = data[1][0]
+ try:
+ yf = ymlFunc[name] = ymlFunc[base].copy(name)
+ except KeyError:
+ if included:
+ raise KeyError("in " + included + ":" + u(line) + ": " + base + " as base for " + name)
+ else:
+ raise KeyError("in " + u(line) + ": " + base + " as base for " + name)
+ elif data[0] == "shape":
+ shape = ymlFunc[data[1]]
+ try:
+ yf = ymlFunc[name]
+ yf.patch(shape)
+ except KeyError:
+ if included:
+ raise KeyError("in " + included + ":" + u(line) + ": " + base + " as shape for " + name)
+ else:
+ raise KeyError("in " + u(line) + ": " + base + " as shape for " + name)
+ elif data[0] == "descend":
+ yf.addDescend(data[1])
+ elif data[0] == "declParm":
+ l = data[1]
+ parmName = l[0]
+ if len(l)==1:
+ yf.addParm(parmName)
+ else:
+ value = l[1]
+ if parmName[0] != "%":
+ yf.addValue(parmName, value)
+ if parmName[0] == "*":
+ yf.pointers[parmName[1:]] = value
+ yf.addParm(parmName)
+ elif parmName[0] == "%":
+ if type(value) is str:
+ yf.macros[parmName] = u(evalPython(value))
+ else:
+ yf.macros[parmName] = u(evalPython(u(value)))
+ yf.addParm(parmName)
+ elif data[0] == "alias":
+ if in_ns:
+ yf.alias = in_ns + ":" + data[1][0]
+ else:
+ yf.alias = data[1][0]
+ elif data[0] == "content":
+ yf.content = data[1]
+
+ return code("")
+
+ elif ctype == "funclist":
+ result = ""
+ for f in obj[1]:
+ result += codegen(f)
+ return code(result)
+
+ elif ctype == "parentheses":
+ if len(obj[1]):
+ return codegen(('func', ['_parentheses', ('content', [obj[1][0]])]))
+ else:
+ return ""
+
+ elif ctype == "fparm":
+ if len(obj[1]):
+ return codegen(('func', ['_parm', ('content', [obj[1][0]])]))
+ else:
+ return ""
+
+ elif ctype == "generic":
+ return codegen(('func', ['_generic', ('content', [obj[1][0]])]))
+
+ elif ctype == "xbase":
+ return codegen(('func', ['_base', ('content', [obj[1][0]])]))
+
+ elif ctype == "func":
+ avoidTag = False
+ name = obj[1][0]
+
+ if name == "decl":
+ if ymlFunc[name] == "#error":
+ if included:
+ raise SyntaxError("in " + included + ":" + u(line) + ": syntax error in decl statement")
+ else:
+ raise SyntaxError("in " + u(line) + ": syntax error in decl statement")
+ if name == "define" or name == "operator":
+ if ymlFunc[name] == "#error":
+ if included:
+ raise SyntaxError("in " + included + ":" + u(line) + ": syntax error in define statement")
+ else:
+ raise SyntaxError("in " + u(line) + ": syntax error in define statement")
+
+ if name[0] == "&":
+ avoidTag = True
+ name = name[1:]
+ hasContent = False
+
+ if len(name) > 2:
+ if name[0:2] == "**":
+ return code(eval(''+pointer(name[1:])))
+
+ if name[0] == "*":
+ name = eval(pointer(name))
+ if name[0] == "&":
+ avoidTag = True
+ name = name[1:]
+
+ try:
+ ymlFunc[name]
+ except KeyError:
+ try:
+ if ymlFunc["_"].alias != "-":
+ return codegen(('func', ['_', ('content', [('funclist', [obj])])]))
+ else:
+ ymlFunc[name] = copy(ymlFunc["_"])
+ ymlFunc[name].alias = name.replace("_", "-")
+ return codegen(obj)
+ except KeyError:
+ ymlFunc[name] = YF(name)
+
+ if ymlFunc[name].alias == "-": avoidTag = True
+
+ to_add = []
+ if len(ymlFunc[name].descends):
+ if obj[1][-1][0] != 'content':
+ if included:
+ raise KeyError("in " + included + ":" + u(line) + ": " + name + " has descending attributes, but no descendants are following")
+ else:
+ raise KeyError("in " + u(line) + ": " + name + " has descending attributes, but no descendants are following")
+
+ def first_func(obj):
+ if type(obj) is tuple or type(obj) is Symbol:
+ if obj[0] == 'func':
+ return obj
+ elif obj[0] == 'funclist':
+ return first_func(obj[1])
+ elif obj[0] == 'content':
+ return first_func(obj[1])
+ else:
+ return None
+ elif type(obj) == list:
+ for e in obj:
+ f = first_func(e)
+ if f: return f
+ return None
+
+ def copy_without_first_func(o, found = False):
+ c = []
+ for obj in o:
+ if found:
+ c.append(obj)
+ else:
+ if obj[0] == 'func':
+ if obj[1][-1][0] == 'content':
+ c.extend( obj[1][-1][1] )
+ found = True
+ else:
+ c.append( ( obj[0], copy_without_first_func(obj[1], False ) ) )
+ return c
+
+ def get_parms(obj):
+ result = []
+ for e in obj[1]:
+ if type(e) is tuple or type(e) is Symbol:
+ if e[0] == "parm":
+ result.append( e )
+ return result
+
+ try:
+ add_params = get_parms(obj)
+ for e in obj[1][-1][1]:
+ c = e[1]
+ for dname in ymlFunc[name].descends:
+ f, c = first_func(c), copy_without_first_func(c)
+ if dname[0] == "*":
+ pointers[dname[1:]] = "'" + f[1][0] + "'"
+ else:
+ add_params.append( ('parm', [dname, "'" + f[1][0] + "'"]) )
+ try:
+ add_params.extend( get_parms(f) )
+ except: pass
+
+ new_things = [ e[1][0] ]
+ new_things.extend( add_params )
+ new_things.append( ('content', c) )
+
+ to_add.append( ('func', new_things ) )
+ except:
+ if included:
+ raise KeyError("in " + included + ":" + u(line) + ": " + name + " has descending attributes, and too less descendants are following")
+ else:
+ raise KeyError("in " + u(line) + ": " + name + " has descending attributes, and too less descendants are following")
+
+ if not to_add:
+ to_add = ( obj, )
+
+ complete = ""
+
+ for obj in to_add:
+ subtree = None
+ try:
+ if obj[1][-1][0] == "content":
+ subtree = obj[1][-1][1]
+ except: pass
+
+ if ymlFunc[name].content:
+ hasContent = True
+ treetemplate = deepcopy(ymlFunc[name].content)
+ subtree = replaceContent(treetemplate, subtree)
+
+ if subtree:
+ hasContent = True
+
+ hasContent, result = ymlFunc[name](obj[1], hasContent, avoidTag)
+
+ if subtree:
+ for sel in subtree:
+ result += codegen(sel)
+
+ if hasContent and not(avoidTag):
+ result += "</" + ymlFunc[name].alias + ">"
+
+ complete += result
+
+ return code(complete)
+
+ elif ctype == "textsection":
+ result = ''
+ ll = obj[1].splitlines()
+ space = len(ll[-1]) - 2
+ for l in ll[1:-1]:
+ m = re.match(bqq, l)
+ if m:
+ cmd = m.group(1)
+ try:
+ r, x = parseLine(cmd, _inner, [], True, comment)
+ if x: raise SyntaxError(cmd)
+ result += _finish(r)
+ except SyntaxError:
+ if included:
+ raise SyntaxError("in " + included + ":" + u(line) + ": syntax error in executing command: " + cmd.strip())
+ else:
+ raise SyntaxError("in " + u(line) + ": syntax error in executing command: " + cmd.strip())
+ else:
+ result += codegen(Symbol('lineQuote', '| ' + l[space:]))
+ return code(result)
+
+ elif ctype == "textsectionu":
+ result = ''
+ ll = obj[1].splitlines()
+ space = len(ll[-1]) - 2
+ for l in ll[1:-1]:
+ m = re.match(bqq, l)
+ if m:
+ cmd = m.group(1)
+ try:
+ r, x = parseLine(cmd, _inner, [], True, comment)
+ if x: raise SyntaxError(cmd)
+ result += _finish(r)
+ except SyntaxError:
+ if included:
+ raise SyntaxError("in " + included + ":" + u(line) + ": syntax error in executing command: " + cmd.strip())
+ else:
+ raise SyntaxError("in " + u(line) + ": syntax error in executing command: " + cmd.strip())
+ else:
+ if result != '': result += ' '
+ result += codegen(Symbol('quote', ['> ' + l[space:]]))
+ return code(result)
+
+ elif ctype == "lineQuote" or ctype == "quote":
+ m, text, base, inds = None, "", 0, 0
+
+ if ctype == "lineQuote":
+ text = obj[1]
+ m = lq.match(text)
+ if m:
+ inds = len(m.group(1))
+ text = m.group(2)[1:]
+ else: inds = 0
+ elif ctype == "quote":
+ inds = -1
+ text = obj[1][0]
+ m = sq.match(text)
+ if m:
+ if m.group(1):
+ inds = int(m.group(1))
+ text = m.group(2)[1:]
+ else:
+ if type(text) is str:
+ text = u(evalPython(text))
+
+ ind = ""
+ if inds > -1:
+ try:
+ cmd = evalPython("indent(" + u(inds) + ")")
+ result, rest = parseLine(u(cmd), _inner, [], True, comment)
+ if rest:
+ raise SyntaxError()
+ ind = _finish(result)
+ except: pass
+
+ if ctype == "lineQuote": text += "\n"
+
+ hasTextFunc = False
+ try:
+ ymlFunc["text"]
+ hasTextFunc = True
+ except: pass
+
+ text = executeCmd(text)
+ return code(ind + text)
+
+ elif ctype == "tagQuote":
+ m = tq.match(obj[1])
+ if m.group(1) == "<":
+ return code("<" + m.group(2))
+ else:
+ return code(m.group(2))
+
+ elif ctype == "operator":
+ operator.append((re.compile(evalPython(obj[1][0])), obj[1][1]))
+ return code("")
+
+ elif ctype == "constant":
+ name = obj[1][0]
+ if name[0] == "*":
+ name = name[1:]
+ value = obj[1][1]
+ pointers[name] = value
+ return code("")
+
+ elif ctype == "include":
+ reverse = False
+ ktext, kxml = False, False
+ for arg in obj[1]:
+ if type(arg) is tuple or type(arg) is Symbol:
+ if arg[0] == "reverse":
+ reverse = True
+ elif arg[0] == "ktext":
+ ktext = True
+ elif arg[0] == "kxml":
+ kxml = True
+ elif type(arg) is str:
+ filemask = arg
+
+ if filemask[0] == '/' or filemask[0] == '.':
+ files = sorted(glob(filemask))
+ else:
+ files = []
+ for directory in includePath:
+ path = os.path.join(directory, filemask)
+ files.extend(sorted(glob(path)))
+
+ if files and reverse:
+ files = files[-1::-1]
+
+ if not(files):
+ if included:
+ raise IOError("in " + included + ":" + u(line) + ": include file(s) '" + filemask + "' not found")
+ else:
+ raise IOError("in " + u(line) + ": include file(s) '" + filemask + "' not found")
+
+ includeFile = fileinput.input(files, mode="rU", openhook=fileinput.hook_encoded(encoding))
+ _included = included
+ if ktext or kxml:
+ text = ""
+ for line in includeFile:
+ included = includeFile.filename()
+ if kxml:
+ if (not line[:6] == '<?xml ') and (not line[:6] == '<?XML '):
+ text += line
+ else:
+ text += executeCmd(line)
+ included = _included
+ return code(text)
+ else:
+ result = parse(ymlCStyle(), includeFile, True, comment)
+ included = u(filemask)
+ x = _finish(result)
+ included = _included
+ return code(x)
+
+ elif ctype == "pyExp":
+ exp = obj[1][0]
+ cmd = evalPython(exp)
+ result, rest = parseLine(u(cmd), _inner, [], True, comment)
+ if rest:
+ raise SyntaxError(cmd)
+ return code(_finish(result))
+
+ elif ctype == "pythonCall":
+ parms = []
+ data = obj[1]
+ for p in data:
+ if type(p) is str:
+ name = p
+ elif type(p) is tuple or type(p) is Symbol:
+ ptype = p[0]
+ if ptype == "parm":
+ if p[1][0][0] == "*":
+ parms.append(pointer(p[1][0]))
+ else:
+ parms.append(p[1][0])
+ if len(parms) == 0:
+ exp = name + "()"
+ elif len(parms) == 1:
+ exp = name + "(" + u(parms[0]) + ")"
+ else:
+ exp = name + u(tuple(parms))
+ cmd = evalPython(exp)
+ result, rest = parseLine(u(cmd), _inner, [], True, comment)
+ if rest:
+ raise SyntaxError()
+ return code(_finish(result))
+
+ else:
+ return code("")
+
+def _finish(tree):
+ result = ""
+ python = ""
+
+ for el in tree:
+ if el[0] == "python":
+ if el[1][0][:2] == "!!":
+ python += el[1][0][2:-2]
+ else:
+ python += el[1][0][1:] + "\n"
+ continue
+ else:
+ if python:
+ execPython(python)
+ python = ""
+
+ try:
+ result += codegen(el)
+ except RuntimeError:
+ if included:
+ raise RuntimeError("in " + included + ":" + u(line))
+ else:
+ raise RuntimeError("in " + u(line))
+
+ if python:
+ execPython(python)
+
+ return result
+
+def finish(tree):
+ global first
+ first = True
+ return _finish(tree)
+
+ymlFunc["_parentheses"] = YF("parms")
+ymlFunc["_parm"] = YF("parm")
+ymlFunc["_generic"] = YF("generic")
+ymlFunc["_base"] = YF("base")