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vpetrovykhvpetrovykh
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Make fstrings more robust when dealing with comples formatting.
1 parent 8beee2f commit b93c9a4

14 files changed

+758
-169
lines changed

‎grammars/MagicPython.cson

+197-36
Original file line numberDiff line numberDiff line change
@@ -282,18 +282,15 @@ repository:
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match: "\\b(?<!\\.)(class)\\b"
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}
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]
285-
"expression-base":
286-
comment: "All valid Python expressions"
285+
"expression-bare":
286+
comment: "valid Python expressions w/o comments and line continuation"
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patterns: [
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{
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include: "#backticks"
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}
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{
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include: "#illegal-anno"
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}
294-
{
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include: "#comments"
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}
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{
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include: "#literal"
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}
@@ -348,11 +345,24 @@ repository:
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{
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include: "#special-variables"
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}
348+
{
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include: "#ellipsis"
350+
}
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{
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include: "#line-continuation"
353353
}
354+
]
355+
"expression-base":
356+
comment: "valid Python expressions with comments and line continuation"
357+
patterns: [
358+
{
359+
include: "#comments"
360+
}
354361
{
355-
include: "#ellipsis"
362+
include: "#expression-bare"
363+
}
364+
{
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include: "#line-continuation"
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}
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]
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expression:
@@ -869,35 +879,36 @@ repository:
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match: "(}(?!}))"
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}
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]
872-
"fstring-terminator":
882+
"fstring-illegal-single-brace":
883+
comment: "it is illegal to have a multiline brace inside a single-line string"
884+
begin: "(\\{)(?=[^\\n}]*$\\n?)"
885+
end: "(\\})|(?=\\n)"
886+
beginCaptures:
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"1":
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name: "constant.character.format.placeholder.other.python"
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endCaptures:
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"2":
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name: "constant.character.format.placeholder.other.python"
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patterns: [
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{
875-
match: '''
876-
(?x)
877-
(![rsa])
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( : \\w? [<>=^]? [-+ ]? \\#?
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\\d* ,? (\\.\\d+)? [bcdeEfFgGnosxX%]? )?
880-
881-
'''
882-
captures:
883-
"1":
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name: "storage.type.format.python"
885-
"2":
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name: "support.other.format.python"
894+
include: "#fstring-terminator-single"
887895
}
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{
889-
match: '''
890-
(?x)
891-
(![rsa])?
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( : \\w? [<>=^]? [-+ ]? \\#?
893-
\\d* ,? (\\.\\d+)? [bcdeEfFgGnosxX%]? )
894-
895-
'''
896-
captures:
897-
"1":
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name: "storage.type.format.python"
899-
"2":
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name: "support.other.format.python"
897+
include: "#f-expression"
898+
}
899+
]
900+
"f-expression":
901+
comment: "All valid Python expressions, except comments and line cont"
902+
patterns: [
903+
{
904+
include: "#expression-bare"
905+
}
906+
{
907+
include: "#member-access"
908+
}
909+
{
910+
comment: "Tokenize identifiers to help linters"
911+
match: "(?x) \\b ([[:alpha:]_]\\w*) \\b"
901912
}
902913
]
903914
"escape-sequence-unicode":
@@ -3409,6 +3420,9 @@ repository:
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{
34103421
include: "#fstring-guts"
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}
3423+
{
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include: "#fstring-illegal-single-brace"
3425+
}
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{
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include: "#fstring-single-brace"
34143428
}
@@ -3440,7 +3454,7 @@ repository:
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begin: "(\\{)"
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end: '''
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(?x)
3443-
(\\})
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(\\})|(?=\\n)
34443458
34453459
'''
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beginCaptures:
@@ -3451,10 +3465,82 @@ repository:
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name: "constant.character.format.placeholder.other.python"
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patterns: [
34533467
{
3454-
include: "#fstring-terminator"
3468+
include: "#fstring-terminator-single"
34553469
}
34563470
{
3457-
include: "#expression"
3471+
include: "#f-expression"
3472+
}
3473+
]
3474+
"fstring-terminator-single":
3475+
patterns: [
3476+
{
3477+
name: "storage.type.format.python"
3478+
match: "(![rsa])(?=})"
3479+
}
3480+
{
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match: '''
3482+
(?x)
3483+
(![rsa])?
3484+
( : \\w? [<>=^]? [-+ ]? \\#?
3485+
\\d* ,? (\\.\\d+)? [bcdeEfFgGnosxX%]? )(?=})
3486+
3487+
'''
3488+
captures:
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"1":
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name: "storage.type.format.python"
3491+
"2":
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name: "support.other.format.python"
3493+
}
3494+
{
3495+
include: "#fstring-terminator-single-tail"
3496+
}
3497+
]
3498+
"fstring-terminator-single-tail":
3499+
begin: "(![rsa])?(:)(?=.*?{)"
3500+
end: "(?=})|(?=\\n)"
3501+
beginCaptures:
3502+
"1":
3503+
name: "storage.type.format.python"
3504+
"2":
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name: "support.other.format.python"
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patterns: [
3507+
{
3508+
include: "#fstring-illegal-single-brace"
3509+
}
3510+
{
3511+
include: "#fstring-single-brace"
3512+
}
3513+
{
3514+
name: "support.other.format.python"
3515+
match: "([bcdeEfFgGnosxX%])(?=})"
3516+
}
3517+
{
3518+
name: "support.other.format.python"
3519+
match: "(\\.\\d+)"
3520+
}
3521+
{
3522+
name: "support.other.format.python"
3523+
match: "(,)"
3524+
}
3525+
{
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name: "support.other.format.python"
3527+
match: "(\\d+)"
3528+
}
3529+
{
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name: "support.other.format.python"
3531+
match: "(\\#)"
3532+
}
3533+
{
3534+
name: "support.other.format.python"
3535+
match: "([-+ ])"
3536+
}
3537+
{
3538+
name: "support.other.format.python"
3539+
match: "([<>=^])"
3540+
}
3541+
{
3542+
name: "support.other.format.python"
3543+
match: "(\\w)"
34583544
}
34593545
]
34603546
"fstring-quoted-multi-line":
@@ -3474,6 +3560,9 @@ repository:
34743560
{
34753561
include: "#fstring-guts"
34763562
}
3563+
{
3564+
include: "#fstring-illegal-multi-brace"
3565+
}
34773566
{
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include: "#fstring-multi-brace"
34793568
}
@@ -3516,9 +3605,81 @@ repository:
35163605
name: "constant.character.format.placeholder.other.python"
35173606
patterns: [
35183607
{
3519-
include: "#fstring-terminator"
3608+
include: "#fstring-terminator-multi"
35203609
}
35213610
{
3522-
include: "#expression"
3611+
include: "#f-expression"
3612+
}
3613+
]
3614+
"fstring-terminator-multi":
3615+
patterns: [
3616+
{
3617+
name: "storage.type.format.python"
3618+
match: "(![rsa])(?=})"
3619+
}
3620+
{
3621+
match: '''
3622+
(?x)
3623+
(![rsa])?
3624+
( : \\w? [<>=^]? [-+ ]? \\#?
3625+
\\d* ,? (\\.\\d+)? [bcdeEfFgGnosxX%]? )(?=})
3626+
3627+
'''
3628+
captures:
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"1":
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name: "storage.type.format.python"
3631+
"2":
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name: "support.other.format.python"
3633+
}
3634+
{
3635+
include: "#fstring-terminator-multi-tail"
3636+
}
3637+
]
3638+
"fstring-terminator-multi-tail":
3639+
begin: "(![rsa])?(:)(?=.*?{)"
3640+
end: "(?=})"
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beginCaptures:
3642+
"1":
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name: "storage.type.format.python"
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"2":
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name: "support.other.format.python"
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patterns: [
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{
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include: "#fstring-illegal-multi-brace"
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}
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{
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include: "#fstring-multi-brace"
3652+
}
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{
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name: "support.other.format.python"
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match: "([bcdeEfFgGnosxX%])(?=})"
3656+
}
3657+
{
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name: "support.other.format.python"
3659+
match: "(\\.\\d+)"
3660+
}
3661+
{
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name: "support.other.format.python"
3663+
match: "(,)"
3664+
}
3665+
{
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name: "support.other.format.python"
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match: "(\\d+)"
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}
3669+
{
3670+
name: "support.other.format.python"
3671+
match: "(\\#)"
3672+
}
3673+
{
3674+
name: "support.other.format.python"
3675+
match: "([-+ ])"
3676+
}
3677+
{
3678+
name: "support.other.format.python"
3679+
match: "([<>=^])"
3680+
}
3681+
{
3682+
name: "support.other.format.python"
3683+
match: "(\\w)"
35233684
}
35243685
]

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