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StringStream & more stdlib modules support for JS/NimScript (#14095)

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* StringStream & more stdlib modules support for JS/NimScript

* change back pegs test in line with #14134
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hlaaftana 2020-04-28 20:44:52 +03:00 • committed by GitHub
commit cd9af6b804
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22 changed files with 852 additions and 356 deletions
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62
lib/pure/parsesql.nim
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@ -557,7 +557,14 @@ type
tok: Token
proc newNode*(k: SqlNodeKind): SqlNode =
result = SqlNode(kind: k)
when defined(js): # bug #14117
case k
of LiteralNodes:
result = SqlNode(kind: k, strVal: "")
else:
result = SqlNode(kind: k, sons: @[])
else:
result = SqlNode(kind: k)
proc newNode*(k: SqlNodeKind, s: string): SqlNode =
result = SqlNode(kind: k)
@ -1469,34 +1476,33 @@ proc treeRepr*(s: SqlNode): string =
result = newStringOfCap(128)
treeReprAux(s, 0, result)
when not defined(js):
import streams
import streams
proc open(L: var SqlLexer, input: Stream, filename: string) =
lexbase.open(L, input)
L.filename = filename
proc open(L: var SqlLexer, input: Stream, filename: string) =
lexbase.open(L, input)
L.filename = filename
proc open(p: var SqlParser, input: Stream, filename: string) =
## opens the parser `p` and assigns the input stream `input` to it.
## `filename` is only used for error messages.
open(SqlLexer(p), input, filename)
p.tok.kind = tkInvalid
p.tok.literal = ""
getTok(p)
proc open(p: var SqlParser, input: Stream, filename: string) =
## opens the parser `p` and assigns the input stream `input` to it.
## `filename` is only used for error messages.
open(SqlLexer(p), input, filename)
p.tok.kind = tkInvalid
p.tok.literal = ""
getTok(p)
proc parseSQL*(input: Stream, filename: string): SqlNode =
## parses the SQL from `input` into an AST and returns the AST.
## `filename` is only used for error messages.
## Syntax errors raise an `SqlParseError` exception.
var p: SqlParser
open(p, input, filename)
try:
result = parse(p)
finally:
close(p)
proc parseSQL*(input: Stream, filename: string): SqlNode =
## parses the SQL from `input` into an AST and returns the AST.
## `filename` is only used for error messages.
## Syntax errors raise an `SqlParseError` exception.
var p: SqlParser
open(p, input, filename)
try:
result = parse(p)
finally:
close(p)
proc parseSQL*(input: string, filename = ""): SqlNode =
## parses the SQL from `input` into an AST and returns the AST.
## `filename` is only used for error messages.
## Syntax errors raise an `SqlParseError` exception.
parseSQL(newStringStream(input), "")
proc parseSQL*(input: string, filename = ""): SqlNode =
## parses the SQL from `input` into an AST and returns the AST.
## `filename` is only used for error messages.
## Syntax errors raise an `SqlParseError` exception.
parseSQL(newStringStream(input), "")