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add a few more operators: % & ^ | ~

This commit is contained in:
Jake Wheat 2013-12-17 16:15:19 +02:00
parent b2728ec9bf
commit 89a4dd0e3e
2 changed files with 9 additions and 8 deletions

View file

@ -322,8 +322,10 @@ keyword.
> binOpSymbolNames :: [String]
> binOpSymbolNames =
> ["=", "<=", ">=", "!=", "<>", "<", ">"
> ,"*", "/", "+", "-"
> ,"||", "."]
> ,"*", "/", "+", "-", "%"
> ,"||", "."
> ,"^", "|", "&"
> ]
> binOpKeywordNames :: [String]
> binOpKeywordNames = ["and", "or", "like", "overlaps"]
@ -347,7 +349,7 @@ There aren't any multi keyword prefix operators currently supported.
> prefixUnOpKeywordNames = ["not"]
> prefixUnOpSymbolNames :: [String]
> prefixUnOpSymbolNames = ["+", "-"]
> prefixUnOpSymbolNames = ["+", "-", "~"]
There aren't any single keyword postfix operators currently
supported. Maybe all these 'is's can be left factored?
@ -408,7 +410,7 @@ associativity. This is fixed with a separate pass over the AST.
> ++ postfixOpKeywords
> -- these are the ops with the highest precedence in order
> highPrec = [infixl_ ["."]
> ,infixl_ ["*","/"]
> ,infixl_ ["*","/", "%"]
> ,infixl_ ["+", "-"]
> ,infixl_ ["<=",">=","!=","<>","||","like"]
> ]

7
TODO
View file

@ -1,7 +1,6 @@
next release:
more symbolic operators, array access a[5]? don't think this is
standard sql, if not, leave for now. There is something about
arrays in sql:2008
@ -9,11 +8,9 @@ more symbolic operators, array access a[5]? don't think this is
row ctor: row(a,b) is fine, but also when there is 2 or more elements,
the word row can be omitted: (a,b)
fix lateral binding issue
window frames and named windows
window frames
review tests to copy from hssqlppp
@ -60,6 +57,8 @@ Later general tasks:
sql server top syntax
named windows
extended string literals, escapes and other flavours (like pg and
oracle custom delimiters)