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Refactor array element list parsing

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This commit is contained in:
Alexander Luzgarev 2018-04-07 13:49:40 +02:00
parent 0ba85620a6
commit fa3d137fbe
1 changed files with 6 additions and 32 deletions
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36
Parser/MParser.cs
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@ -301,7 +301,7 @@ namespace Parser
return expression;
}
var openingBrace = EatToken();
var indices = ParseCellArrayElementList();
var indices = ParseArrayElementList(TokenKind.ClosingBrace);
var closingBrace = EatToken(TokenKind.ClosingBrace);
expression = Factory.CellArrayElementAccessExpression(
expression,
@ -379,37 +379,11 @@ namespace Parser
}
}
private ArrayElementListNode ParseArrayElementList()
private ArrayElementListNode ParseArrayElementList(TokenKind closing)
{
var nodes = new List<SyntaxNode> {};
while (CurrentToken.Kind != TokenKind.ClosingSquareBracket)
{
if (nodes.Count > 0)
{
if (CurrentToken.Kind == TokenKind.Comma
|| CurrentToken.Kind == TokenKind.Semicolon)
{
nodes.Add(Factory.Token(EatToken()));
}
}
var expression = ParseExpression(new ParseOptions {ParsingArrayElements = true});
if (expression != null)
{
nodes.Add(expression);
}
}
return Factory.ArrayElementList(nodes);
}
private ArrayElementListNode ParseCellArrayElementList()
{
var nodes = new List<SyntaxNode> {};
while (CurrentToken.Kind != TokenKind.ClosingBrace)
while (CurrentToken.Kind != closing)
{
if (nodes.Count > 0)
{
@ -433,7 +407,7 @@ namespace Parser
private ArrayLiteralExpressionNode ParseArrayLiteral()
{
var openingSquareBracket = EatToken(TokenKind.OpeningSquareBracket);
var elements = ParseArrayElementList();
var elements = ParseArrayElementList(TokenKind.ClosingSquareBracket);
var closingSquareBracket = EatToken(TokenKind.ClosingSquareBracket);
return Factory.ArrayLiteralExpression(
Factory.Token(openingSquareBracket),
@ -444,7 +418,7 @@ namespace Parser
private CellArrayLiteralExpressionNode ParseCellArrayLiteral()
{
var openingBrace = EatToken(TokenKind.OpeningBrace);
var elements = ParseCellArrayElementList();
var elements = ParseArrayElementList(TokenKind.ClosingBrace);
var closingBrace = EatToken(TokenKind.ClosingBrace);
return Factory.CellArrayLiteralExpression(
Factory.Token(openingBrace),