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syntax/c: highlight the header name in #include as a string, not a type #4236

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72caeb5
syntax/c: highlight the header name in #include as a string, not a type
Londopy Sep 20, 2026
da80c69
syntax/c: drop include from the preproc pattern now that the region h…
Londopy Sep 20, 2026
8ae90fe
syntax: apply the #include region to the other C variants
Londopy Sep 21, 2026
555409f
syntax: restore the objc @import rule and keep macro-form includes as…
Londopy Sep 21, 2026
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12 changes: 11 additions & 1 deletion runtime/syntax/arduino.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -67,11 +67,21 @@ rules:
- identifier: "\\b(setup|loop)\\b"

##
- statement: "^[[:space:]]*#[[:space:]]*(define|include(_next)?|(un|ifn?)def|endif|el(if|se)|if|warning|error|pragma)"
- statement: "^[[:space:]]*#[[:space:]]*(define|(un|ifn?)def|endif|el(if|se)|if|warning|error|pragma)"

## GCC builtins
- constant: "(__attribute__[[:space:]]*\\(\\([^)]*\\)\\)|__(aligned|asm|builtin|hidden|inline|packed|restrict|section|typeof|weak)__)"

# #include lines are a region so that the header name (e.g. <float.h>)
# is not matched by the type rules above
- statement:
start: "^[[:space:]]*#[[:space:]]*include(_next)?\\b"
end: "$"
rules:
- identifier: "\\b[A-Z_][0-9A-Z_]+\\b"
- constant.string: "<[^>]*>|\"[^\"]*\""
- comment: "//.*|/\\*.*?\\*/"

- constant.string:
start: "\""
end: "\""
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12 changes: 11 additions & 1 deletion runtime/syntax/c.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,7 @@ rules:
- statement: "\\b(for|if|while|do|else|case|default|switch|_Generic|_Static_assert|static_assert)\\b"
- statement: "\\b(goto|continue|break|return)\\b"
- statement: "\\b(asm|fortran)\\b"
- preproc: "^[[:space:]]*#[[:space:]]*(define|embed|pragma|include|(un|ifn?)def|endif|el(if|ifdef|ifndef|se)|if|line|warning|error|__has_include|__has_embed|__has_c_attribute)"
- preproc: "^[[:space:]]*#[[:space:]]*(define|embed|pragma|(un|ifn?)def|endif|el(if|ifdef|ifndef|se)|if|line|warning|error|__has_include|__has_embed|__has_c_attribute)"
- preproc: "^[[:space:]]*_Pragma\\b"
# GCC builtins
- statement: "__attribute__[[:space:]]*\\(\\([^)]*\\)\\)"
Expand All @@ -30,6 +30,16 @@ rules:
- constant.number: "(\\b0[Xx]([0-9A-Za-z]*[.][0-9A-Za-z]+|[0-9A-Za-z]+[.][0-9A-Za-z]*)[Pp][+-]?[0-9]+[FfLl]?\\b)"
- constant.bool: "(\\b(true|false|NULL|nullptr|TRUE|FALSE)\\b)"

# #include lines are a region so that the header name (e.g. <float.h>)
# is not matched by the type rules above
- preproc:
start: "^[[:space:]]*#[[:space:]]*include(_next)?\\b"
end: "$"
rules:
- identifier: "\\b[A-Z_][0-9A-Z_]+\\b"
- constant.string: "<[^>]*>|\"[^\"]*\""
- comment: "//.*|/\\*.*?\\*/"

- constant.string:
start: "\""
end: "\""
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12 changes: 11 additions & 1 deletion runtime/syntax/cpp.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@ rules:
- statement: "\\b(for|if|while|do|else|case|default|switch)\\b"
- statement: "\\b(try|throw|catch|operator|new|delete|static_assert)\\b"
- statement: "\\b(goto|continue|break|return)\\b"
- preproc: "^[[:space:]]*#[[:space:]]*(define|pragma|include|(un|ifn?)def|endif|el(if|se)|if|warning|error)|_Pragma"
- preproc: "^[[:space:]]*#[[:space:]]*(define|pragma|(un|ifn?)def|endif|el(if|se)|if|warning|error)|_Pragma"

# Conditionally-supported/extension keywords
- statement: "\\b(asm|fortran)\\b"
Expand Down Expand Up @@ -61,6 +61,16 @@ rules:

- constant.bool: "(\\b(true|false|NULL|nullptr|TRUE|FALSE)\\b)"

# #include lines are a region so that the header name (e.g. <float.h>)
# is not matched by the type rules above
- preproc:
start: "^[[:space:]]*#[[:space:]]*include(_next)?\\b"
end: "$"
rules:
- identifier: "\\b[A-Z_][0-9A-Z_]*\\b"
- constant.string: "<[^>]*>|\"[^\"]*\""
- comment: "//.*|/\\*.*?\\*/"

- constant.string:
start: "\""
end: "\""
Expand Down
12 changes: 11 additions & 1 deletion runtime/syntax/cuda.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@ rules:
- statement: "\\b(for|if|while|do|else|case|default|switch)\\b"
- statement: "\\b(try|throw|catch|operator|new|delete|static_assert)\\b"
- statement: "\\b(goto|continue|break|return)\\b"
- preproc: "^[[:space:]]*#[[:space:]]*(define|pragma|include|(un|ifn?)def|endif|el(if|se)|if|warning|error)|_Pragma"
- preproc: "^[[:space:]]*#[[:space:]]*(define|pragma|(un|ifn?)def|endif|el(if|se)|if|warning|error)|_Pragma"

# Conditionally-supported/extension keywords
- statement: "\\b(asm|fortran)\\b"
Expand All @@ -39,6 +39,16 @@ rules:
- constant.number: "(\\b0[Xx]([0-9a-zA-Z']*[.][0-9a-zA-Z']+|[0-9a-zA-Z']+[.][0-9a-zA-Z']*)[Pp][+-]?[0-9']+[FfLl]?\\b)"
- constant.bool: "(\\b(true|false|NULL|nullptr)\\b)"

# #include lines are a region so that the header name (e.g. <float.h>)
# is not matched by the type rules above
- preproc:
start: "^[[:space:]]*#[[:space:]]*include(_next)?\\b"
end: "$"
rules:
- identifier: "\\b[A-Z_][0-9A-Z_]*\\b"
- constant.string: "<[^>]*>|\"[^\"]*\""
- comment: "//.*|/\\*.*?\\*/"

- constant.string:
start: "\""
end: "\""
Expand Down
12 changes: 11 additions & 1 deletion runtime/syntax/hc.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@ rules:

- statement: "\\b(for|if|while|do|else|case|default|switch)\\b"
- statement: "\\b(try|catch|throw|goto|continue|break|return)\\b"
- preproc: "^[[:space:]]*#[[:space:]]*(define|pragma|include|(un|ifn?)def|endif|el(if|se)|if|help_index|ifjit|ifaot|exe)"
- preproc: "^[[:space:]]*#[[:space:]]*(define|pragma|(un|ifn?)def|endif|el(if|se)|if|help_index|ifjit|ifaot|exe)"

# Operator Color
- symbol.operator: "([.:;,+*|=!\\%]|<|>|/|-|&)"
Expand All @@ -24,6 +24,16 @@ rules:
- constant.number: "TRUE"
- constant.number: "FALSE"

# #include lines are a region so that the header name (e.g. <float.h>)
# is not matched by the type rules above
- preproc:
start: "^[[:space:]]*#[[:space:]]*include(_next)?\\b"
end: "$"
rules:
- identifier: "\\b[A-Z_][0-9A-Z_]+\\b"
- constant.string: "<[^>]*>|\"[^\"]*\""
- comment: "//.*|/\\*.*?\\*/"

- constant.string:
start: "\""
end: "\""
Expand Down
11 changes: 10 additions & 1 deletion runtime/syntax/objc.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ rules:
- statement: "\\b(nonatomic|atomic|readonly|readwrite|strong|weak|assign)\\b"
- statement: "@(encode|end|interface|implementation|class|selector|protocol|synchronized|try|catch|finally|property|optional|required|import|autoreleasepool)"

- preproc: "^[[:space:]]*#[[:space:]]*(define|include|import|(un|ifn?)def|endif|el(if|se)|if|warning|error|pragma).*$"
- preproc: "^[[:space:]]*#[[:space:]]*(define|(un|ifn?)def|endif|el(if|se)|if|warning|error|pragma).*$"
- preproc: "__[A-Z0-9_]*__"

- special: "^[[:space:]]*[#|@][[:space:]]*(import|include)[[:space:]]*[\"|<].*\\/?[>|\"][[:space:]]*$"

@Andriamanitra Andriamanitra Sep 21, 2026

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You accidentally removed highlighting for @import here.

@Londopy Londopy Sep 23, 2026

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Restored it verbatim in 555409f. @import Foundation; was never affected (the @(...) statement rule covers it), but @import <Foundation/Foundation.h> and @import "X.h" lost highlighting since the region only matches #. The region supersedes that rule for # lines, so it still does its job for @.

I also diffed every touched syntax file before/after over a corpus: the only lines that change now are #include/#import directives.

Expand All @@ -33,6 +33,15 @@ rules:
- constant: "\\bk[[:alnum]]*\\b"
- constant.string: "'.'"

# #include lines are a region so that the header name (e.g. <float.h>)
# is not matched by the type rules above
- special:
start: "^[[:space:]]*#[[:space:]]*(include(_next)?|import)\\b"
end: "$"
rules:
- constant.string: "<[^>]*>|\"[^\"]*\""
- comment: "//.*|/\\*.*?\\*/"

- constant.string:
start: "@\""
end: "\""
Expand Down
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