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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| # PostgreSQL grammar. | ||
| # The MIT License (MIT). | ||
| # Copyright (c) 2021-2023, Oleksii Kovalov ([email protected]). | ||
| # Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| # of this software and associated documentation files (the "Software"), to deal | ||
| # in the Software without restriction, including without limitation the rights | ||
| # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| # copies of the Software, and to permit persons to whom the Software is | ||
| # furnished to do so, subject to the following conditions: | ||
| # The above copyright notice and this permission notice shall be included in | ||
| # all copies or substantial portions of the Software. | ||
| # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| # THE SOFTWARE. | ||
|
|
||
| from typing import TextIO | ||
| from antlr4 import * | ||
| from antlr4.Token import CommonToken | ||
| import sys | ||
| from typing import TextIO | ||
|
|
||
| class PostgreSQLLexerBase(Lexer): | ||
|
|
||
| def IsColumnZero(self): | ||
| return self.column == 0 | ||
|
|
||
| def VerifyNotOperator(): | ||
| c1 = this.InputStream.LA(1); | ||
| if (c1 == 'a'): | ||
| c2 = this.InputStream.LA(2); | ||
| if (c2 == 'n'): | ||
| c3 = this.InputStream.LA(3); | ||
| if (c3 == 'd'): | ||
| c4 = this.InputStream.LA(4); | ||
| if (c4 == '.'): | ||
| return false; | ||
| elif (c1 == 'o'): | ||
| c2 = this.InputStream.LA(2); | ||
| if (c2 == 'r'): | ||
| c3 = this.InputStream.LA(3); | ||
| if (c3 == '.'): | ||
| return false; | ||
| return true; | ||
|
|
||
|
|
||
| class PostgreSQLLexerBase(Lexer): | ||
| def __init__(self, input: InputStream, output: TextIO = sys.stdout): | ||
| super().__init__(input, output) | ||
| self.tags = [] | ||
|
|
||
| def PushTag(self): | ||
| self.tags.append(self.text) | ||
|
|
||
| def IsTag(self): | ||
| return self.text == self.tags[-1] if self.tags else False | ||
|
|
||
| def PopTag(self): | ||
| if self.tags: | ||
| self.tags.pop() | ||
|
|
||
| def UnterminatedBlockCommentDebugAssert(self): | ||
| assert self._input.LA(1) == -1 # EOF | ||
|
|
||
| def CheckLaMinus(self): | ||
| return self._input.LA(1) != ord('-') | ||
|
|
||
| def CheckLaStar(self): | ||
| return self._input.LA(1) != ord('*') | ||
|
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| def CharIsLetter(self): | ||
| return chr(self._input.LA(-1)).isalpha() | ||
|
|
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| def HandleNumericFail(self): | ||
| self._input.seek(self._input.index - 2) | ||
| self.type = PostgreSQLLexer.INTEGRAL | ||
|
|
||
| def HandleLessLessGreaterGreater(self): | ||
| if self.text == "<<": | ||
| self.type = PostgreSQLLexer.LESS_LESS | ||
| elif self.text == ">>": | ||
| self.type = PostgreSQLLexer.GREATER_GREATER | ||
|
|
||
| def CheckIfUtf32Letter(self): | ||
| try: | ||
| char = chr(int.from_bytes((chr(self._input.LA(-2)) + chr(self._input.LA(-1))).encode("utf-32"), 'little')) | ||
| return char.isalpha() | ||
| except ValueError: | ||
| return False | ||
|
|
||
| def IsSemiColon(self): | ||
| return chr(self._input.LA(1)) == ';' |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| from antlr4 import * | ||
|
|
||
| relativeImport = False | ||
| if __name__ is not None and "." in __name__: | ||
| relativeImport = True | ||
|
|
||
| class PostgreSQLParserBase(Parser): | ||
| def ParseRoutineBody(self): | ||
| return | ||
|
|
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| def OnlyAcceptableOps(self): | ||
| c = self._input.LT(1) | ||
| text = c.text | ||
| return text == "!" or text == "!!" or text == "!=-" |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| import sys, os, re, shutil | ||
| from glob import glob | ||
| from pathlib import Path | ||
|
|
||
| def main(argv): | ||
| for file in glob("./*.g4"): | ||
| fix(file) | ||
|
|
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| def fix(file_path): | ||
| print("Altering " + file_path) | ||
| if not os.path.exists(file_path): | ||
| print(f"Could not find file: {file_path}") | ||
| sys.exit(1) | ||
| parts = os.path.split(file_path) | ||
| file_name = parts[-1] | ||
| shutil.move(file_path, file_path + ".bak") | ||
| input_file = open(file_path + ".bak",'r') | ||
| output_file = open(file_path, 'w') | ||
| for x in input_file: | ||
| if '!this.' in x: | ||
| x = x.replace('!this.', 'not self.') | ||
| if 'this.' in x: | ||
| x = x.replace('this.', 'self.') | ||
| output_file.write(x) | ||
| output_file.flush() | ||
| print("Writing ...") | ||
| input_file.close() | ||
| output_file.close() | ||
|
|
||
| if __name__ == '__main__': | ||
| main(sys.argv) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,6 @@ | ||
| <?xml version="1.0" encoding="UTF-8" ?> | ||
| <desc xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../_scripts/desc.xsd"> | ||
| <antlr-version>^4.10</antlr-version> | ||
| <targets>Antlr4ng;Cpp;CSharp;Dart;Java;TypeScript</targets> | ||
| <targets>Antlr4ng;Cpp;CSharp;Dart;Java;Python3;TypeScript</targets> | ||
| <inputs>examples/**/*.sql</inputs> | ||
| </desc> |