bartek/smnp-py
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Create almost working proof of concept with new parsers

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

37
smnp/ast/node/iterable.py
View File

@@ -1,11 +1,11 @@
from smnp.ast.node.ignore import IgnoredNode
from smnp.ast.node.model import Node, ParseResult
from smnp.ast.node.none import NoneNode
from smnp.ast.parser import Parser
from smnp.ast.parser import Parsers
from smnp.token.type import TokenType
def abstractIterableParser(iterableNodeType, openTokenType, closeTokenType, itemParser):
def abstractIterableParser(iterableNodeType, openTokenType, closeTokenType, itemParser, name):
class AbstractIterable(Node):
def __init__(self, pos):
@@ -32,9 +32,10 @@ def abstractIterableParser(iterableNodeType, openTokenType, closeTokenType, item
pass
def abstractIterableParser(input):
return Parser.oneOf(
return Parsers.oneOf(
emptyIterable,
openIterable
openIterable,
name=name
)(input)
def emptyIterable(input):
@@ -44,10 +45,11 @@ def abstractIterableParser(iterableNodeType, openTokenType, closeTokenType, item
node.next = close
return node
return Parser.allOf(
Parser.terminalParser(openTokenType),
Parser.terminalParser(closeTokenType),
createNode=createNode
return Parsers.allOf(
Parsers.terminal(openTokenType),
Parsers.terminal(closeTokenType),
createNode=createNode,
name=name+"Empty"
)(input)
def openIterable(input):
@@ -57,17 +59,19 @@ def abstractIterableParser(iterableNodeType, openTokenType, closeTokenType, item
node.next = tail
return node
return Parser.allOf(
Parser.terminalParser(openTokenType),
return Parsers.allOf(
Parsers.terminal(openTokenType),
itemParser,
abstractIterableTailParser,
createNode=createNode
createNode=createNode,
name=name+"Open"
)(input)
def abstractIterableTailParser(input):
return Parser.oneOf(
return Parsers.oneOf(
closeIterable,
nextItem,
name=name+"Tail"
)(input)
def nextItem(input):
@@ -77,15 +81,16 @@ def abstractIterableParser(iterableNodeType, openTokenType, closeTokenType, item
node.next = tail
return node
return Parser.allOf(
Parser.terminalParser(TokenType.COMMA, doAssert=True),
return Parsers.allOf(
Parsers.terminal(TokenType.COMMA, doAssert=True),
itemParser,
abstractIterableTailParser,
name=name+"NextItem",
createNode=createNode
)(input)
def closeIterable(input):
return Parser.terminalParser(closeTokenType)(input)
return Parsers.terminal(closeTokenType)(input)
return toFlatDesiredNode(iterableNodeType, abstractIterableParser)
@@ -105,7 +110,7 @@ def toFlatDesiredNode(iterableNodeType, parser):
return ParseResult.FAIL()
return Parser(parse, "flat", [parser])
#return Parser(parse, "flat", [parser])
def flattenList(node, output=None):