Python TreeTransformerGrammar示例

示例#1

文件： vm_builder.py 项目： DarkJediXP/Captain_Mathematica

def bytecodeToPython(expr):
    print "Gonna emit", expr
    from ometa.grammar import TreeTransformerGrammar
    from ometa.runtime import TreeTransformerBase
    Emitter = TreeTransformerGrammar.makeGrammar(open("ometa/vm_emit.parsley").read(),
            "Emitter").createParserClass(TreeTransformerBase, {"t": t})
    return Emitter.transform(expr)[0]

示例#2

文件： vm_builder.py 项目： DarkJediXP/Captain_Mathematica

def writeBytecode(expr):
    print "Gonna compile", expr
    from ometa.grammar import TreeTransformerGrammar
    from ometa.runtime import TreeTransformerBase
    Compiler = TreeTransformerGrammar.makeGrammar(open("../ometa/vm.parsley").read(),
            "Compiler").createParserClass(TreeTransformerBase, {"t": t})
    return Compiler.transform(expr)[0]

示例#3

def bytecodeToPython(expr):
    print("Gonna emit %s" % (expr, ))
    from ometa.grammar import TreeTransformerGrammar
    from ometa.runtime import TreeTransformerBase
    Emitter = TreeTransformerGrammar.makeGrammar(
        open("ometa/vm_emit.parsley").read(),
        "Emitter").createParserClass(TreeTransformerBase, {"t": t})
    return Emitter.transform(expr)[0]

示例#4

def writeBytecode(expr):
    print "Gonna compile", expr
    from ometa.grammar import TreeTransformerGrammar
    from ometa.runtime import TreeTransformerBase
    Compiler = TreeTransformerGrammar.makeGrammar(
        open("../ometa/vm.parsley").read(),
        "Compiler").createParserClass(TreeTransformerBase, {"t": t})
    return Compiler.transform(expr)[0]

示例#5

文件： vm_builder.py 项目： abenassi/parsley

def writeBytecode(expr):
    print("Gonna compile %s" % (expr,))
    from ometa.grammar import TreeTransformerGrammar
    from ometa.runtime import TreeTransformerBase
    path = os.path.join(HERE, 'vm.parsley')
    Compiler = TreeTransformerGrammar.makeGrammar(open(path).read(),
            "Compiler").createParserClass(TreeTransformerBase, {"t": t})
    return Compiler.transform(expr)[0]

示例#6

def writeBytecode(expr):
    print("Gonna compile %s" % (expr, ))
    from ometa.grammar import TreeTransformerGrammar
    from ometa.runtime import TreeTransformerBase
    path = os.path.join(HERE, 'vm.parsley')
    Compiler = TreeTransformerGrammar.makeGrammar(
        open(path).read(),
        "Compiler").createParserClass(TreeTransformerBase, {"t": t})
    return Compiler.transform(expr)[0]

示例#7

文件： test_pymeta.py 项目： MostAwesomeDude/parsley

    def compile(self, grammar, namespace=None):
        """
        Produce an object capable of parsing via this grammar.

        @param grammar: A string containing an OMeta grammar.
        """
        if namespace is None:
            namespace = globals()
        g = TreeTransformerGrammar.makeGrammar(
            dedent(grammar), 'TestGrammar').createParserClass(
                TreeTransformerBase, namespace)
        return g

示例#8

    def compile(self, grammar, namespace=None):
        """
        Produce an object capable of parsing via this grammar.

        @param grammar: A string containing an OMeta grammar.
        """
        if namespace is None:
            namespace = globals()
        g = TreeTransformerGrammar.makeGrammar(
            dedent(grammar), 'TestGrammar').createParserClass(
                TreeTransformerBase, namespace)
        return g

示例#9

文件： expander.py 项目： justinnoah/monte

NounExpr(@name) (?(name in self.renamings) -> self.renamings[name]
                |                          -> t.NounExpr(name))
"""

def expand(term, scope=None):
    e = Expander([term])
    e.scope = scope
    e.nouns = set()
    e.counter = 0
    expanded = e.apply("transform")[0]
    r = Reifier([expanded])
    r.nouns = set(e.nouns)
    r.cache = {}
    r.id = 0
    reified = r.apply("transform")[0]
    return reified

def mktemp(self, name):
    self.counter += 1
    return t.TempNounExpr(name, self.counter)

StaticScopeTransformer = TreeTransformerGrammar.makeGrammar(computeStaticScopeRules, "StaticScopeTransformer").createParserClass(TreeTransformerBase, globals())


Expander = TreeTransformerGrammar.makeGrammar(expander, name="EExpander").createParserClass(TreeTransformerBase, globals())
Expander.mktemp = mktemp

Reifier = TreeTransformerGrammar.makeGrammar(reifier, name="Reifier").createParserClass(TreeTransformerBase, globals())

CycleRenamer = TreeTransformerGrammar.makeGrammar(cycleRenamer, name="CycleRenamer").createParserClass(TreeTransformerBase, globals())

示例#10

文件： expander.py 项目： mythmon/monte

    e.counter = 0
    expanded = e.apply("transform")[0]
    r = Reifier([expanded])
    r.nouns = set(e.nouns)
    r.cache = {}
    r.id = 0
    reified = r.apply("transform")[0]
    return reified


def mktemp(self, name):
    self.counter += 1
    return t.TempNounExpr(name, self.counter)


StaticScopeTransformer = TreeTransformerGrammar.makeGrammar(
    computeStaticScopeRules,
    "StaticScopeTransformer").createParserClass(TreeTransformerBase, globals())

Expander = TreeTransformerGrammar.makeGrammar(
    expander, name="EExpander").createParserClass(TreeTransformerBase,
                                                  globals())
Expander.mktemp = mktemp

Reifier = TreeTransformerGrammar.makeGrammar(
    reifier, name="Reifier").createParserClass(TreeTransformerBase, globals())

CycleRenamer = TreeTransformerGrammar.makeGrammar(
    cycleRenamer,
    name="CycleRenamer").createParserClass(TreeTransformerBase, globals())

示例#11

文件： first.py 项目： washort/secret

        output = []
        for chunk in template.args:
            if chunk.tag.name == ".String.":
                output.append(chunk.data)
            elif chunk.tag.name == "QuasiExprHole":
                v = vals[chunk.args[0].data]
                output.append(v)
            else:
                raise TypeError("didn't expect %r in string template" % chunk)

        pt = PrecedenceTemplate(self.nextPrecedence, output)
        self.nextPrecedence = None
        return pt, None

PythonExpressionUnparser = TreeTransformerGrammar.makeGrammar(
    open("expression_unparser.parsley").read(),
    'PythonExpressionUnparser').createParserClass(PrecedenceTransformer, globals())


PythonStatementUnparser = TreeTransformerGrammar.makeGrammar(
    open("statement_unparser.parsley").read(),
    'PythonStatementUnparser').createParserClass(TreeTransformerBase, globals())


if __name__ == "__main__":
    from terml.parser import parseTerm as term
    f = open(sys.argv[1]).read()
    g = wrapGrammar(PythonParser)
    stmts = g(f).file_input()
    from pprint import pprint
    pprint(stmts)

示例#12

文件： first.py 项目： MostAwesomeDude/secret

        for chunk in template.args:
            if chunk.tag.name == ".String.":
                output.append(chunk.data)
            elif chunk.tag.name == "QuasiExprHole":
                v = vals[chunk.args[0].data]
                output.append(v)
            else:
                raise TypeError("didn't expect %r in string template" % chunk)

        pt = PrecedenceTemplate(self.nextPrecedence, output)
        self.nextPrecedence = None
        return pt, None


Desugarer = TreeTransformerGrammar.makeGrammar(
    open("desugar_augmented_assignment.parsley").read(), "Desugarer"
).createParserClass(TreeTransformerBase, {"t": t})


PythonExpressionUnparser = TreeTransformerGrammar.makeGrammar(
    open("expression_unparser.parsley").read(), "PythonExpressionUnparser"
).createParserClass(PrecedenceTransformer, globals())


PythonStatementUnparser = TreeTransformerGrammar.makeGrammar(
    open("statement_unparser.parsley").read(), "PythonStatementUnparser"
).createParserClass(TreeTransformerBase, globals())


if __name__ == "__main__":
    from terml.parser import parseTerm as term

示例#13

文件： first.py 项目： MostAwesomeDude/secret

        for chunk in template.args:
            if chunk.tag.name == ".String.":
                output.append(chunk.data)
            elif chunk.tag.name == "QuasiExprHole":
                v = vals[chunk.args[0].data]
                output.append(v)
            else:
                raise TypeError("didn't expect %r in string template" % chunk)

        pt = PrecedenceTemplate(self.nextPrecedence, output)
        self.nextPrecedence = None
        return pt, None


Desugarer = TreeTransformerGrammar.makeGrammar(
    open("desugar_augmented_assignment.parsley").read(),
    "Desugarer").createParserClass(TreeTransformerBase, {"t": t})


PythonExpressionUnparser = TreeTransformerGrammar.makeGrammar(
    open("expression_unparser.parsley").read(),
    'PythonExpressionUnparser').createParserClass(PrecedenceTransformer, globals())


PythonStatementUnparser = TreeTransformerGrammar.makeGrammar(
    open("statement_unparser.parsley").read(),
    'PythonStatementUnparser').createParserClass(TreeTransformerBase, globals())


if __name__ == "__main__":
    from terml.parser import parseTerm as term