def build_next(f, parent=None):
if type(f) != Frame:
return
subnode = f.subnode
if f.label >= 0: # and f.label < 3:
n2 = js_parse("this.$s1 = 0;", [f_name(f)], start_node=AssignNode)
n2.replace(n2[1], f.funcnode)
f.funcnode.name = "(anonymous)"
f.funcnode.is_anonymous = True
node2.add(n2) #f.funcnode)
if f.totframes > 0:
if f.node != None and type(f.node) == WhileNode:
f2 = f_next(f)
f2 = f2.label if f2 != -1 else -1
n = js_parse(
"""
if (!"placeholder") {
return [$i1, undefined];
}
""", [f2])
if n == None:
typespace.error("internal error", subnode)
n2 = find_node(n, StrLitNode)
n2.parent.replace(n2, f.node[0])
subnode.add(n)
f2 = f_first(f)
n.add(
js_parse("return [$i, undefined];", [f2.label],
start_node=ReturnNode))
elif f.node != None and type(f.node) == TryNode:
n = StatementList()
if n == None:
typespace.error("internal error", subnode)
f3 = f_raw_next(f)
while f3 != -1 and type(f3.node) != CatchNode:
f3 = f_raw_next(f3)
if f3 == -1:
typespace.error("Orphaned try block", f.node)
f3name = "_nfothing"
if len(f3.node) > 0:
f3name = f3.node[0].gen_js(0).replace("scope.", "")
n.add(
js_parse(
"""
this.trystack.push([$i, "$s"]);
""", [f3.label, f3name]))
f2 = f_first(f)
n.add(
js_parse("return [$i, undefined];", [f2.label],
start_node=ReturnNode))
subnode.add(n)
f2.pop_trystack = True
elif f.node != None and type(f.node) == IfNode:
f2 = f_first(f)
f1 = f_raw_next(f)
while type(
f1.node) != ElseNode and f1.label != len(flatframes):
f1 = f_raw_next(f1)
if f1.label == len(flatframes):
f1 = f_next(f)
n = js_parse(
"""
if (!("placeholder")) {
return [$i1, undefined];
} else {
return [$i2, undefined];
}
""", [f1.label, f2.label])
n2 = find_node(n, StrLitNode)
n2.parent.replace(n2, f.node[0].copy())
if n == None:
typespace.error("internal error", subnode)
f2 = f_first(f)
n.add(
js_parse("return [$i, undefined];", [f2.label],
start_node=ReturnNode))
subnode.add(n)
f2.pop_trystack = True
elif f.node != None and type(f.node) == ElseNode:
f2 = f_first(f)
f1 = f_raw_next(f)
while type(
f1.node) != ElseNode and f1.label != len(flatframes):
f1 = f_raw_next(f1)
if f1.label == len(flatframes):
f1 = f_next(f)
n = js_parse(
"""
return [$i1, undefined];
""", [f2.label])
if n == None:
typespace.error("internal error", subnode)
f2 = f_first(f)
subnode.add(n)
elif f.node != None and type(f.node) == CatchNode:
f2 = f_first(f)
n = js_parse(
"""
return [$i1, undefined];
""", [f2.label])
if n == None:
typespace.error("internal error", subnode)
subnode.add(n)
elif f.node != None and type(f.node) == ForLoopNode:
f2 = f_first(f)
f3 = f_next(f)
f3 = f3.label if f2 != -1 else -1
f2 = f2.label if f2 != -1 else -1
n = js_parse(
"""
if ($n) {
return [$i, undefined];
} else {
return [$i, undefined];
}
""", [f.node[0][1], f2, f3])
if n == None:
typespace.error("internal error", subnode)
subnode.add(n)
def build_next(f, parent=None):
if type(f) != Frame:
return
subnode = f.subnode
if f.label >= 0: # and f.label < 3:
n2 = js_parse("this.$s1 = 0;", [f_name(f)], start_node=AssignNode)
n2.replace(n2[1], f.funcnode)
f.funcnode.name = "(anonymous)"
f.funcnode.is_anonymous = True
node2.add(n2) #f.funcnode)
if f.totframes > 0:
if f.node != None and type(f.node) == WhileNode:
f2 = f_next(f)
f2 = f2.label if f2 != -1 else -1
n = js_parse("""
if (!"placeholder") {
return [$i1, undefined];
}
""", [f2])
if n == None:
typespace.error("internal error", subnode);
n2 = find_node(n, StrLitNode);
n2.parent.replace(n2, f.node[0])
subnode.add(n)
f2 = f_first(f);
n.add(js_parse("return [$i, undefined];", [f2.label], start_node=ReturnNode))
elif f.node != None and type(f.node) == TryNode:
n = StatementList()
if n == None:
typespace.error("internal error", subnode);
f3 = f_raw_next(f)
while f3 != -1 and type(f3.node) != CatchNode:
f3 = f_raw_next(f3);
if f3 == -1:
typespace.error("Orphaned try block", f.node)
f3name = "_nfothing"
if len(f3.node) > 0:
f3name = f3.node[0].gen_js(0).replace("scope.", "")
n.add(js_parse("""
this.trystack.push([$i, "$s"]);
""", [f3.label, f3name]))
f2 = f_first(f);
n.add(js_parse("return [$i, undefined];", [f2.label], start_node=ReturnNode))
subnode.add(n)
f2.pop_trystack = True
elif f.node != None and type(f.node) == IfNode:
f2 = f_first(f)
f1 = f_raw_next(f)
while type(f1.node) != ElseNode and f1.label != len(flatframes):
f1 = f_raw_next(f1)
if f1.label == len(flatframes):
f1 = f_next(f)
n = js_parse("""
if (!("placeholder")) {
return [$i1, undefined];
} else {
return [$i2, undefined];
}
""", [f1.label, f2.label]);
n2 = find_node(n, StrLitNode)
n2.parent.replace(n2, f.node[0].copy())
if n == None:
typespace.error("internal error", subnode);
f2 = f_first(f);
n.add(js_parse("return [$i, undefined];", [f2.label], start_node=ReturnNode))
subnode.add(n)
f2.pop_trystack = True
elif f.node != None and type(f.node) == ElseNode:
f2 = f_first(f)
f1 = f_raw_next(f)
while type(f1.node) != ElseNode and f1.label != len(flatframes):
f1 = f_raw_next(f1)
if f1.label == len(flatframes):
f1 = f_next(f)
n = js_parse("""
return [$i1, undefined];
""", [f2.label]);
if n == None:
typespace.error("internal error", subnode);
f2 = f_first(f);
subnode.add(n)
elif f.node != None and type(f.node) == CatchNode:
f2 = f_first(f)
n = js_parse("""
return [$i1, undefined];
""", [f2.label]);
if n == None:
typespace.error("internal error", subnode);
subnode.add(n)
elif f.node != None and type(f.node) == ForLoopNode:
f2 = f_first(f);
f3 = f_next(f)
f3 = f3.label if f2 != -1 else -1
f2 = f2.label if f2 != -1 else -1
n = js_parse("""
if ($n) {
return [$i, undefined];
} else {
return [$i, undefined];
}
""", [f.node[0][1], f2, f3])
if n == None:
typespace.error("internal error", subnode);
subnode.add(n)
def bleh():
for frames in flatframes:
fname = f_name(frames)
n = js_parse("""
function $s1(scope) {
if (_do_frame_debug) console.log("in $s1");
}""", (fname),
start_node=FunctionNode)
if type(n[1]) != StatementList:
n.replace(n[1], StatementList())
n = n[1]
func = n
while type(func) != FunctionNode:
func = func.parent
excl = (type(frames.node) == StatementList
and type(frames.parent.node) == FunctionNode)
if frames.node != None and not excl and type(
frames.node) != FunctionNode:
f = frames
sl = StatementList()
f.node[f.node._startcur] = sl
frames.funcnode = func
frames.subnode = frames.funcnode
local_frames = "["
totframes = 0
for i, f in enumerate(frames):
if type(f) != Frame:
frames.subnode.add(f)
frames.leaf = True
else:
frames.leaf = False
if len(local_frames) > 1: local_frames += ", "
local_frames += f_ref(f) #.replace("this.", "")
totframes += 1
if f.node != None and type(f.node) != FunctionNode:
if len(f.node.children) > f.node._startcur + 1:
do_conv(f.node, f)
if frames.leaf:
f2 = f_next(frames)
f2 = f2.label if f2 != -1 else -1
frames.subnode.add(
js_parse("return [$i, undefined];", [f2],
start_node=ReturnNode))
local_frames = "%s_frames = " % f_ref(frames) + local_frames + "];"
frames.frames = js_parse(local_frames)
frames.totframes = totframes
def build_next(f, parent=None):
if type(f) != Frame:
return
subnode = f.subnode
if f.label >= 0: # and f.label < 3:
n2 = js_parse("this.$s1 = 0;", [f_name(f)], start_node=AssignNode)
n2.replace(n2[1], f.funcnode)
f.funcnode.name = "(anonymous)"
f.funcnode.is_anonymous = True
node2.add(n2) #f.funcnode)
if f.totframes > 0:
if f.node != None and type(f.node) == WhileNode:
f2 = f_next(f)
f2 = f2.label if f2 != -1 else -1
n = js_parse(
"""
if (!"placeholder") {
return [$i1, undefined];
}
""", [f2])
if n == None:
typespace.error("internal error", subnode)
n2 = find_node(n, StrLitNode)
n2.parent.replace(n2, f.node[0])
subnode.add(n)
f2 = f_first(f)
n.add(
js_parse("return [$i, undefined];", [f2.label],
start_node=ReturnNode))
elif f.node != None and type(f.node) == TryNode:
n = StatementList()
if n == None:
typespace.error("internal error", subnode)
f3 = f_raw_next(f)
while f3 != -1 and type(f3.node) != CatchNode:
f3 = f_raw_next(f3)
if f3 == -1:
typespace.error("Orphaned try block", f.node)
f3name = "_nfothing"
if len(f3.node) > 0:
f3name = f3.node[0].gen_js(0).replace("scope.", "")
n.add(
js_parse(
"""
this.trystack.push([$i, "$s"]);
""", [f3.label, f3name]))
f2 = f_first(f)
n.add(
js_parse("return [$i, undefined];", [f2.label],
start_node=ReturnNode))
subnode.add(n)
f2.pop_trystack = True
elif f.node != None and type(f.node) == IfNode:
f2 = f_first(f)
f1 = f_raw_next(f)
while type(
f1.node) != ElseNode and f1.label != len(flatframes):
f1 = f_raw_next(f1)
if f1.label == len(flatframes):
f1 = f_next(f)
n = js_parse(
"""
if (!("placeholder")) {
return [$i1, undefined];
} else {
return [$i2, undefined];
}
""", [f1.label, f2.label])
n2 = find_node(n, StrLitNode)
n2.parent.replace(n2, f.node[0].copy())
if n == None:
typespace.error("internal error", subnode)
f2 = f_first(f)
n.add(
js_parse("return [$i, undefined];", [f2.label],
start_node=ReturnNode))
subnode.add(n)
f2.pop_trystack = True
elif f.node != None and type(f.node) == ElseNode:
f2 = f_first(f)
f1 = f_raw_next(f)
while type(
f1.node) != ElseNode and f1.label != len(flatframes):
f1 = f_raw_next(f1)
if f1.label == len(flatframes):
f1 = f_next(f)
n = js_parse(
"""
return [$i1, undefined];
""", [f2.label])
if n == None:
typespace.error("internal error", subnode)
f2 = f_first(f)
subnode.add(n)
elif f.node != None and type(f.node) == CatchNode:
f2 = f_first(f)
n = js_parse(
"""
return [$i1, undefined];
""", [f2.label])
if n == None:
typespace.error("internal error", subnode)
subnode.add(n)
elif f.node != None and type(f.node) == ForLoopNode:
f2 = f_first(f)
f3 = f_next(f)
f3 = f3.label if f2 != -1 else -1
f2 = f2.label if f2 != -1 else -1
n = js_parse(
"""
if ($n) {
return [$i, undefined];
} else {
return [$i, undefined];
}
""", [f.node[0][1], f2, f3])
if n == None:
typespace.error("internal error", subnode)
subnode.add(n)
node2.insert(
1,
js_parse("""
this[Symbol.iterator] = function() {
return this;
}
""")[0])
for f in flatframes:
build_next(f, f.parent)
#process returns from within try nodes
for f in flatframes:
if f.parent != None and type(f.parent.node) == TryNode:
def visit_rets1(n2):
target = n2[0][0][0].val
isyield = n2[0][0][1].val
ni = n2.parent.index(n2)
if target >= f_next(f.parent).label:
n3 = js_parse("this.trystack.pop();")[0]
n2.parent.insert(ni, n3)
traverse(f.subnode, ReturnNode, visit_rets1, copy_children=True)
#process yields
for f in flatframes:
f2 = f.parent
set_yield = None
def visit_rets2(n2):
if set_yield != None:
#print(n2)
n2[0][0].replace(n2[0][0][1], set_yield)
set_yield = find_node(f.subnode, YieldNode)
if set_yield != None:
set_yield.parent.remove(set_yield)
set_yield = ArrayLitNode(ExprListNode([set_yield[0]]))
traverse(f.subnode, ReturnNode, visit_rets2, copy_children=True)
def find_parent_frame(f, ntypes, include_first=True):
p = f
if not include_first:
p = p.parent
while p != None:
if type(p.node) in ntypes:
return p
p = p.parent
return None
#process breaks
for f in flatframes:
f2 = f.parent
def visit_rets3(n2):
p = n2.parent
while not null_node(p) and p != f.subnode:
if type(p) in [WhileNode, DoWhileNode, ForLoopNode]: break
p = p.parent
if p != f.subnode and not null_node(p):
return #break corresponds to a loop internal to this frame
p = find_parent_frame(f, [WhileNode, DoWhileNode, ForLoopNode],
True)
if p == None:
typespace.error(
"Invalid break statement (switches within generators aren't supported yet)",
n2)
f2 = f_next(p)
n3 = js_parse("return [$i, undefined];", [f2.label],
start_node=ReturnNode)
n2.parent.replace(n2, n3)
traverse(f.subnode, BreakNode, visit_rets3, copy_children=True)
#process continues
for f in flatframes:
f2 = f.parent
def visit_rets3(n2):
p = n2.parent
while not null_node(p) and p != f.subnode:
p = p.parent
if p != f.subnode and not null_node(p):
return #continue corresponds to a loop internal to this frame
p = f.parent
while p != None:
if type(p.node) in [WhileNode, DoWhileNode, ForLoopNode]:
break
p = p.parent
if p == None:
typespace.error("Invalid continue statement")
n3 = js_parse("return [$i, undefined];", [p.label],
start_node=ReturnNode)
n2.parent.replace(n2, n3)
traverse(f.subnode, ContinueNode, visit_rets3, copy_children=True)
firstnode = js_parse("if (this.first) {\n}", start_node=IfNode)
firstnode2 = js_parse("if (this.first) {\n}", start_node=IfNode)
firstnode.replace(firstnode[1], StatementList())
firstnode2.replace(firstnode2[1], StatementList())
flatframes[0].subnode.add(firstnode)
node2.insert(1, firstnode2[1])
firstnode = firstnode[1]
firstnode2 = firstnode2[1]
args = list(node.children[0])
for i3 in range(len(args)):
argn = args[i3]
while type(argn) not in [IdentNode, VarDeclNode]:
argn = argn[0]
args[i3] = argn.val
scope = {}
for f in flatframes:
scope.update(f.scope)
s = "{"
j2 = 0
for j, v in enumerate(scope.keys()):
if j2 > 0: s += ", "
j2 += 1
if v in args:
s += "%s:%s" % ("%s_%s" % (v, scope[v]), v)
else:
s += "%s:undefined" % ("%s_%s" % (v, scope[v]))
s += "}"
s = "this.scope = %s;\n" % s
firstnode2.add(js_parse(s)[0])
#ensure all frames have returns
for f in flatframes:
if not find_node(f.subnode, ReturnNode):
f.subnode.add(
js_parse("return [$i, undefined];", [f_next(f).label],
start_node=ReturnNode))
framelist = "["
for i, f in enumerate(flatframes):
if i > 0: framelist += ", "
framelist += "this.frame_%i" % f.label
framelist = "this.frames = %s];" % framelist
node2.add(js_parse(framelist))
node2.add(
js_parse(
"""
this.cur = 1;
this.trystack = new Array();
this.next = function() {
var ret;
while (this.cur < this.frames.length) {
try {
ret = this.frames[this.cur].call(this, this.scope);
} catch (_generator_error) {
if (this.trystack.length > 0) {
var ts1 = this.trystack.pop();
this.scope[ts1[1]] = _generator_error;
ret = [ts1[0], undefined];
} else {
throw _generator_error;
}
}
if (ret[0] == this.frames.length) {
return {done : true, value : undefined};
break;
}
if (ret[0] == this.cur) {
console.trace();
console.log("YEEK!")
return {done : true, value : undefined};
}
this.cur = ret[0];
if (ret[1] != undefined) {
return {value : ret[1][0], done : false};
} else {
return {value : undefined, done : false};
}
}
}
""", []))
node.parent.replace(node, node2)
def bleh():
for frames in flatframes:
fname = f_name(frames)
n = js_parse("""
function $s1(scope) {
if (_do_frame_debug) console.log("in $s1");
}""", (fname), start_node=FunctionNode)
if type(n[1]) != StatementList:
n.replace(n[1], StatementList())
n = n[1]
func = n
while type(func) != FunctionNode:
func = func.parent
excl = (type(frames.node) == StatementList and type(frames.parent.node) == FunctionNode)
if frames.node != None and not excl and type(frames.node) != FunctionNode:
f = frames
sl = StatementList()
f.node[f.node._startcur] = sl
frames.funcnode = func
frames.subnode = frames.funcnode
local_frames = "["
totframes = 0
for i, f in enumerate(frames):
if type(f) != Frame:
frames.subnode.add(f)
frames.leaf = True
else:
frames.leaf = False
if len(local_frames) > 1: local_frames += ", "
local_frames += f_ref(f) #.replace("this.", "")
totframes += 1
if f.node != None and type(f.node) != FunctionNode:
if len(f.node.children) > f.node._startcur + 1:
do_conv(f.node, f)
if frames.leaf:
f2 = f_next(frames)
f2 = f2.label if f2 != -1 else -1
frames.subnode.add(js_parse("return [$i, undefined];", [f2], start_node=ReturnNode));
local_frames = "%s_frames = "%f_ref(frames) + local_frames + "];"
frames.frames = js_parse(local_frames)
frames.totframes = totframes
def build_next(f, parent=None):
if type(f) != Frame:
return
subnode = f.subnode
if f.label >= 0: # and f.label < 3:
n2 = js_parse("this.$s1 = 0;", [f_name(f)], start_node=AssignNode)
n2.replace(n2[1], f.funcnode)
f.funcnode.name = "(anonymous)"
f.funcnode.is_anonymous = True
node2.add(n2) #f.funcnode)
if f.totframes > 0:
if f.node != None and type(f.node) == WhileNode:
f2 = f_next(f)
f2 = f2.label if f2 != -1 else -1
n = js_parse("""
if (!"placeholder") {
return [$i1, undefined];
}
""", [f2])
if n == None:
typespace.error("internal error", subnode);
n2 = find_node(n, StrLitNode);
n2.parent.replace(n2, f.node[0])
subnode.add(n)
f2 = f_first(f);
n.add(js_parse("return [$i, undefined];", [f2.label], start_node=ReturnNode))
elif f.node != None and type(f.node) == TryNode:
n = StatementList()
if n == None:
typespace.error("internal error", subnode);
f3 = f_raw_next(f)
while f3 != -1 and type(f3.node) != CatchNode:
f3 = f_raw_next(f3);
if f3 == -1:
typespace.error("Orphaned try block", f.node)
f3name = "_nfothing"
if len(f3.node) > 0:
f3name = f3.node[0].gen_js(0).replace("scope.", "")
n.add(js_parse("""
this.trystack.push([$i, "$s"]);
""", [f3.label, f3name]))
f2 = f_first(f);
n.add(js_parse("return [$i, undefined];", [f2.label], start_node=ReturnNode))
subnode.add(n)
f2.pop_trystack = True
elif f.node != None and type(f.node) == IfNode:
f2 = f_first(f)
f1 = f_raw_next(f)
while type(f1.node) != ElseNode and f1.label != len(flatframes):
f1 = f_raw_next(f1)
if f1.label == len(flatframes):
f1 = f_next(f)
n = js_parse("""
if (!("placeholder")) {
return [$i1, undefined];
} else {
return [$i2, undefined];
}
""", [f1.label, f2.label]);
n2 = find_node(n, StrLitNode)
n2.parent.replace(n2, f.node[0].copy())
if n == None:
typespace.error("internal error", subnode);
f2 = f_first(f);
n.add(js_parse("return [$i, undefined];", [f2.label], start_node=ReturnNode))
subnode.add(n)
f2.pop_trystack = True
elif f.node != None and type(f.node) == ElseNode:
f2 = f_first(f)
f1 = f_raw_next(f)
while type(f1.node) != ElseNode and f1.label != len(flatframes):
f1 = f_raw_next(f1)
if f1.label == len(flatframes):
f1 = f_next(f)
n = js_parse("""
return [$i1, undefined];
""", [f2.label]);
if n == None:
typespace.error("internal error", subnode);
f2 = f_first(f);
subnode.add(n)
elif f.node != None and type(f.node) == CatchNode:
f2 = f_first(f)
n = js_parse("""
return [$i1, undefined];
""", [f2.label]);
if n == None:
typespace.error("internal error", subnode);
subnode.add(n)
elif f.node != None and type(f.node) == ForLoopNode:
f2 = f_first(f);
f3 = f_next(f)
f3 = f3.label if f2 != -1 else -1
f2 = f2.label if f2 != -1 else -1
n = js_parse("""
if ($n) {
return [$i, undefined];
} else {
return [$i, undefined];
}
""", [f.node[0][1], f2, f3])
if n == None:
typespace.error("internal error", subnode);
subnode.add(n)
node2.insert(1, js_parse("""
this[Symbol.iterator] = function() {
return this;
}
""")[0])
for f in flatframes:
build_next(f, f.parent)
#process returns from within try nodes
for f in flatframes:
if f.parent != None and type(f.parent.node) == TryNode:
def visit_rets1(n2):
target = n2[0][0][0].val
isyield = n2[0][0][1].val
ni = n2.parent.index(n2)
if target >= f_next(f.parent).label:
n3 = js_parse("this.trystack.pop();")[0]
n2.parent.insert(ni, n3)
traverse(f.subnode, ReturnNode, visit_rets1, copy_children=True);
#process yields
for f in flatframes:
f2 = f.parent
set_yield = None
def visit_rets2(n2):
if set_yield != None:
#print(n2)
n2[0][0].replace(n2[0][0][1], set_yield);
set_yield = find_node(f.subnode, YieldNode);
if set_yield != None:
set_yield.parent.remove(set_yield);
set_yield = ArrayLitNode(ExprListNode([set_yield[0]]))
traverse(f.subnode, ReturnNode, visit_rets2, copy_children=True);
def find_parent_frame(f, ntypes, include_first=True):
p = f
if not include_first:
p = p.parent
while p != None:
if type(p.node) in ntypes:
return p
p = p.parent
return None
#process breaks
for f in flatframes:
f2 = f.parent
def visit_rets3(n2):
p = n2.parent
while not null_node(p) and p != f.subnode:
if type(p) in [WhileNode, DoWhileNode, ForLoopNode]: break
p = p.parent
if p != f.subnode and not null_node(p): return #break corresponds to a loop internal to this frame
p = find_parent_frame(f, [WhileNode, DoWhileNode, ForLoopNode], True)
if p == None:
typespace.error("Invalid break statement (switches within generators aren't supported yet)", n2)
f2 = f_next(p)
n3 = js_parse("return [$i, undefined];", [f2.label], start_node=ReturnNode);
n2.parent.replace(n2, n3)
traverse(f.subnode, BreakNode, visit_rets3, copy_children=True);
#process continues
for f in flatframes:
f2 = f.parent
def visit_rets3(n2):
p = n2.parent
while not null_node(p) and p != f.subnode:
p = p.parent
if p != f.subnode and not null_node(p): return #continue corresponds to a loop internal to this frame
p = f.parent
while p != None:
if type(p.node) in [WhileNode, DoWhileNode, ForLoopNode]:
break;
p = p.parent
if p == None:
typespace.error("Invalid continue statement")
n3 = js_parse("return [$i, undefined];", [p.label], start_node=ReturnNode);
n2.parent.replace(n2, n3)
traverse(f.subnode, ContinueNode, visit_rets3, copy_children=True);
firstnode = js_parse("if (this.first) {\n}", start_node=IfNode)
firstnode2 = js_parse("if (this.first) {\n}", start_node=IfNode)
firstnode.replace(firstnode[1], StatementList())
firstnode2.replace(firstnode2[1], StatementList())
flatframes[0].subnode.add(firstnode);
node2.insert(1, firstnode2[1]);
firstnode = firstnode[1]
firstnode2 = firstnode2[1]
args = list(node.children[0])
for i3 in range(len(args)):
argn = args[i3]
while type(argn) not in [IdentNode, VarDeclNode]:
argn = argn[0]
args[i3] = argn.val
scope = {}
for f in flatframes:
scope.update(f.scope)
s = "{"
j2 = 0
for j, v in enumerate(scope.keys()):
if j2 > 0: s += ", "
j2 += 1
if v in args:
s += "%s:%s" % ("%s_%s"%(v, scope[v]), v)
else:
s += "%s:undefined" % ("%s_%s"%(v, scope[v]))
s += "}"
s = "this.scope = %s;\n" % s
firstnode2.add(js_parse(s)[0])
#ensure all frames have returns
for f in flatframes:
if not find_node(f.subnode, ReturnNode):
f.subnode.add(js_parse("return [$i, undefined];", [f_next(f).label], start_node=ReturnNode));
framelist = "["
for i, f in enumerate(flatframes):
if i > 0: framelist += ", "
framelist += "this.frame_%i" % f.label
framelist = "this.frames = %s];"%framelist
node2.add(js_parse(framelist));
node2.add(js_parse("""
this.cur = 1;
this.trystack = new Array();
this.next = function() {
var ret;
while (this.cur < this.frames.length) {
try {
ret = this.frames[this.cur].call(this, this.scope);
} catch (_generator_error) {
if (this.trystack.length > 0) {
var ts1 = this.trystack.pop();
this.scope[ts1[1]] = _generator_error;
ret = [ts1[0], undefined];
} else {
throw _generator_error;
}
}
if (ret[0] == this.frames.length) {
return {done : true, value : undefined};
break;
}
if (ret[0] == this.cur) {
console.trace();
console.log("YEEK!")
return {done : true, value : undefined};
}
this.cur = ret[0];
if (ret[1] != undefined) {
return {value : ret[1][0], done : false};
} else {
return {value : undefined, done : false};
}
}
}
""", []))
node.parent.replace(node, node2)
