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‎gen_grammar.py‎

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from dataclasses import dataclass
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import argparse
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import json
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import pathlib
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@dataclass
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class Spec:
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lang: str
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trigger: str
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source: str
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REPOSITORY = {
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"f-escape": {
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"name": "constant.character.escape.python",
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"match": r"(\{\{|\}\})",
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},
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"f-expression": {
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"begin": r"(\{)",
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# "end": r"(\})",
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"end": r"""(?x)
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(
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(?:
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(?: =?)
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(?: ![rsa])?
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)
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(?:
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:
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\w?
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[<>=^]?
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[-+]?
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\#?
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\d*
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,?
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(?: \.\d+)?
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[bcdeEfFgGnosxX%]?
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)
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)?
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(\})""",
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"name": "meta.embedded.inline.f-expression.python",
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"beginCaptures": {
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"1": {"name": "constant.character.format.placeholder.other.python"},
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},
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"endCaptures": {
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"1": {"name": "storage.type.format.python"},
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"2": {"name": "constant.character.format.placeholder.other.python"},
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},
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"patterns": [{"include": "source.python#f-expression"}],
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},
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}
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SPECS: list[Spec] = [
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Spec("sql", "sql", "source.sql.inline"),
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Spec("html", "html", "text.html.basic"),
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Spec("css", "css", "source.css"),
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Spec("js", "js", "source.js"),
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]
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def scopes(*s: str):
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return " ".join(s[::-1])
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def make_lang(spec: Spec):
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return {
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"begin": rf"""(?x)
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(?<!def\s+)
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\b
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({ spec.trigger })
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\s*
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(\()""",
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"end": r"""(?x)
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(\))
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""",
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"name": scopes(
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"meta.function-call.python",
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),
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"contentName": scopes(
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"meta.function-call.arguments.python",
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),
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"beginCaptures": {
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2: {
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"name": scopes(
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"punctuation.definition.arguments.begin.python",
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)
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},
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},
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"endCaptures": {
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1: {
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"name": scopes(
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"punctuation.definition.arguments.end.python",
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)
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},
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},
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"patterns": [
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{
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"begin": rf"([r|R]?f|F)('''|\"\"\"|'|\")(\\$)?",
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"end": r"(\2)",
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"name": scopes(
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"string.quoted.python",
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"string.interpolated.python",
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"meta.fstring.python",
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),
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"contentName": scopes(
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f"meta.embedded.inline.{ spec.lang }",
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),
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"beginCaptures": {
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1: {
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"name": scopes(
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"storage.type.string.python",
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)
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},
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2: {
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"name": scopes(
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"punctuation.definition.string.begin.python",
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)
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},
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3: {
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"name": scopes(
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"constant.language.python",
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)
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},
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},
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"endCaptures": {
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1: {
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"name": scopes(
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"punctuation.definition.string.end.python",
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)
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},
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},
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"patterns": [{"include": "#f-escape"}, {"include": "#f-expression"}, {"include": spec.source}],
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},
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{
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"begin": rf"(r|R)?('''|\"\"\"|'|\")(\\$)?",
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"end": r"(\2)",
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"name": scopes(
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"string.quoted.python",
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),
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"contentName": scopes(
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f"meta.embedded.inline.{ spec.lang }",
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),
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"beginCaptures": {
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1: {
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"name": scopes(
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"storage.type.string.python",
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)
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},
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2: {
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"name": scopes(
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"punctuation.definition.string.begin.python",
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)
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},
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3: {
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"name": scopes(
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"constant.language.python",
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)
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},
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},
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"endCaptures": {
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1: {
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"name": scopes(
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"punctuation.definition.string.end.python",
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)
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},
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},
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"patterns": [{"include": spec.source}],
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},
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],
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}
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument(
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"--output", help="generated grammar", type=pathlib.Path, default=pathlib.Path("./syntaxes/embed-in-python.json")
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)
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args = parser.parse_args()
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tgt: pathlib.Path = args.output
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grammar = {
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"comment": "This file is autogenerated. Run grammar.py to recreate it.",
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"scopeName": "embed-in-python",
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"fileTypes": [],
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"injectionSelector": "L:source -comment -(string -meta.embedded)",
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"patterns": [make_lang(spec) for spec in SPECS],
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"repository": REPOSITORY,
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}
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with tgt.open("w") as f:
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json.dump(grammar, f, indent=4)
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main()

‎icon.png‎

237 Bytes
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‎inline-sql-configuration.json‎

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{
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"comments": {
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"lineComment": "--",
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"blockComment": ["/*", "*/"]
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}
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}

‎package.json‎

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{
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"name": "vscode-python-fstring-dsl",
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"publisher": "jkmnt",
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"engines": {
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"vscode": "^1.22.0"
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},
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"license": "MIT",
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"displayName": "Highlight f-strings",
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"icon": "icon.png",
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"description": "Python - highlight HTML, SQL, JS, CSS in f-strings",
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"categories": [
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"Programming Languages",
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"Themes"
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],
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"keywords": [
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"f-strings",
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"fstrings",
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"python",
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"template",
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"literal",
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"strings",
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"syntax",
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"highlighting",
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"html",
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"sql"
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],
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"contributes": {
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"languages": [
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{
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"id": "inlinesql",
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"configuration": "./inline-sql.configuration.json"
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}
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],
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"grammars": [
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{
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"language": "inlinesql",
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"scopeName": "source.sql.inline",
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"path": "./syntaxes/sql.tmLanguage.json"
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},
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{
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"injectTo": [
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"source.python"
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],
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"scopeName": "embed-in-python",
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"path": "./syntaxes/embed-in-python.json",
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"embeddedLanguages": {
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"meta.embedded.inline.sql": "sql",
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"meta.embedded.inline.html": "html",
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"meta.embedded.inline.css": "css",
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"meta.embedded.inline.js": "javascript"
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}
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},
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{
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"injectTo": [
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"source.python"
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],
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"scopeName": "embed-in-embedded-html",
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"path": "./syntaxes/embed-in-embedded-html.json",
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"embeddedLanguages": {
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"meta.embedded.inline.f-expression.python": "python"
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}
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},
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{
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"injectTo": [
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"source.python"
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],
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"scopeName": "embed-in-embedded-sql",
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"path": "./syntaxes/embed-in-embedded-sql.json",
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"embeddedLanguages": {
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"meta.embedded.inline.f-expression.python": "python"
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}
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}
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]
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},
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"repository": {
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"type": "git",
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"url": "https://github.com/jkmnt/vscode-python-fstring-dsl"
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}
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}

‎syntaxes/embed-in-embedded-html.json‎

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{
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"scopeName": "embed-in-embedded-html",
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"fileTypes": [],
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"injectionSelector": "L:meta.fstring.python meta.embedded.inline.html meta.tag",
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"patterns": [
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{
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"include": "embed-in-python#f-escape"
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},
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{
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"include": "embed-in-python#f-expression"
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}
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]
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}

‎syntaxes/embed-in-embedded-sql.json‎

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{
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"scopeName": "embed-in-embedded-sql",
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"fileTypes": [],
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"injectionSelector": "L:meta.fstring.python meta.embedded.inline.sql string.quoted.single.sql, L:meta.fstring.python meta.embedded.inline.sql string.quoted.double.sql",
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"patterns": [
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{
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"include": "embed-in-python#f-escape"
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},
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{
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"include": "embed-in-python#f-expression"
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}
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]
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}

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