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Create almost working proof of concept with new parsers

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This commit is contained in:
Bartłomiej Pluta
2019-07-11 19:10:13 +02:00
parent ed2c8dc6dd
commit e7674a4834
8 changed files with 128 additions and 103 deletions
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33
smnp/ast/node/identifier.py
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@@ -1,11 +1,10 @@
from smnp.ast.node.atom import Atom
from smnp.ast.node.expression import MaxPrecedenceExpressionParser
from smnp.ast.node.iterable import abstractIterableParser
from smnp.ast.node.model import Node
from smnp.ast.node.none import NoneNode
from smnp.ast.node.operator import BinaryOperator, Operator
from smnp.ast.parser import Parser
from smnp.ast.parser import Parsers
from smnp.token.type import TokenType
from smnp.util.singleton import SingletonParser
class Identifier(Atom):
@@ -49,24 +48,28 @@ class Assignment(BinaryOperator):
pass
def IdentifierParser(input):
identifierLiteralParser = Parser.terminalParser(TokenType.IDENTIFIER, createNode=Identifier.withValue)
@SingletonParser
def IdentifierParser():
identifierLiteralParser = Parsers.terminal(TokenType.IDENTIFIER, createNode=Identifier.withValue)
functionCallParser = Parser.allOf(
functionCallParser = Parsers.allOf(
identifierLiteralParser,
abstractIterableParser(ArgumentsList, TokenType.OPEN_PAREN, TokenType.CLOSE_PAREN, MaxPrecedenceExpressionParser),
createNode=lambda name, arguments: FunctionCall.withChildren(name, arguments)
#abstractIterableParser(ArgumentsList, TokenType.OPEN_PAREN, TokenType.CLOSE_PAREN, MaxPrecedenceExpressionParser),
createNode=lambda name, arguments: FunctionCall.withChildren(name, arguments),
name="functionCall"
)
assignmentParser = Parser.allOf(
assignmentParser = Parsers.allOf(
identifierLiteralParser,
Parser.terminalParser(TokenType.ASSIGN, createNode=Operator.withValue),
MaxPrecedenceExpressionParser,
createNode=lambda identifier, assign, expr: Assignment.withValues(identifier, assign, expr)
Parsers.terminal(TokenType.ASSIGN, createNode=Operator.withValue),
#MaxPrecedenceExpressionParser,
createNode=lambda identifier, assign, expr: Assignment.withValues(identifier, assign, expr),
name="assignment"
)
return Parser.oneOf(
return Parsers.oneOf(
assignmentParser,
functionCallParser,
identifierLiteralParser
)(input)
identifierLiteralParser,
name="idExpr"
)