Marlin 2.0 for Flying Bear 4S/5
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%YAML 1.2
---
#
# G-Code (RepRap, not ISO-6983)
# Author: @thinkyhead
#
# RapRap G-Code is very simple.
#
# TODO: Lines that start with N get a different context, accepting a checksum.
#
name: G-Code (RepRap)
file_extensions:
- [ g, gco, gcode ]
scope: source.gcode
variables:
decimal: '[+-]?\d+(\.\d*)?'
contexts:
prototype:
- match: \s+
- include: mixin_comment
- match: $
pop: true
main:
- meta_scope: line.gcode
- match: '([Nn]\s*(\d+))'
captures:
1: entity.nword.gcode
2: constant.numeric.line-number.gcode
- match: ()
set: gcode_command
# G, M, or T command
gcode_command:
- meta_content_scope: ctx.command.gcode
# M20 S2 P/path/to/file/name.gco
- match: ([Mm](20))\s*((S)(2)\s*(P))
captures:
1: entity.command.gcode markup.bold.gcode
2: constant.numeric.command.gcode
3: ctx.params.gcode
4: keyword.param.gcode
5: constant.numeric.param.gcode
6: keyword.param.gcode
set: gcode_string_arg
# M117 or M118 - Commands taking a string
- match: ([Mm]\s*(11[78]))\b
captures:
1: entity.command.gcode markup.bold.gcode
2: constant.numeric.command.gcode
set: gcode_string_arg
# Other commands, followed by data
- match: ([GMTgmt]\s*(\d+)((\.)(\d+))?)
captures:
1: entity.command.gcode markup.bold.gcode
2: constant.numeric.command.gcode
4: entity.separator.subcode
5: constant.numeric.subcode
set: gcode_params
- match: ()
set: syntax_error
# Parameters of a command
gcode_params:
- meta_content_scope: ctx.params.gcode
# M32 [S<pos>] [P<bool>] !/path/file.gco#
- match: \!
scope: punctuation.string.path.open.gcode
push: gcode_path_arg
# asterisk starts a checksum
- match: \*
scope: punctuation.marker.checksum.gcode
set: gcode_checksum
# parameter and single-quoted value
- match: ([A-Za-z])\s*(')
captures:
1: keyword.param.gcode
2: punctuation.quote.single.open.gcode
push: gcode_string_arg_quoted_single
# parameter and double-quoted value
- match: ([A-Za-z])\s*(")
captures:
1: keyword.param.gcode
2: punctuation.quote.double.open.gcode
push: gcode_string_arg_quoted_double
# parameter and list of values
- match: ([Ee])\s*(({{decimal}}\s*:\s*)+{{decimal}})
captures:
1: keyword.param.gcode
2: constant.numeric.param.gcode
# parameter and numeric value
- match: ([A-Za-z])\s*({{decimal}})
captures:
1: keyword.param.gcode
2: constant.numeric.param.gcode
# parameter with no value
- match: '[A-Za-z]'
scope: keyword.param.gcode
set: gcode_params
- match: ()
set: syntax_error
gcode_string_arg_quoted_single:
- meta_content_scope: string.quoted.single.gcode
- match: ([^'\\]+)
- match: (\\)
scope: punctuation.string.escape.gcode
push: escape_char
- match: (')
scope: punctuation.quote.single.close.gcode
pop: true
- match: ()
set: syntax_error
gcode_string_arg_quoted_double:
- meta_content_scope: string.quoted.double.gcode
- match: ([^"\\]+)
- match: (\\)
scope: punctuation.string.escape.gcode
push: escape_char
- match: (")
scope: punctuation.quote.double.close.gcode
pop: true
- match: ()
set: syntax_error
gcode_string_arg:
- meta_content_scope: ctx.string.gcode
- match: ([^;]+)
scope: string.unquoted.gcode
escape_char:
- meta_scope: string.escape.gcode punctuation.string.escape.gcode
- match: '.'
pop: true
gcode_path_arg:
- meta_content_scope: string.unquoted.path.gcode
- match: (#)
scope: punctuation.string.path.close.gcode
pop: true
gcode_checksum:
- meta_content_scope: constant.numeric.checksum.gcode
- meta_include_prototype: false
- match: \d+
- match: ( *)$
pop: true
- include: mixin_comment
- match: ()
set: syntax_error
# Done interpreting to the end of the line
gcode_line_done:
- match: \s*$
pop: true
# Comments begin with a ';' and finish at the end of the line.
mixin_comment:
- match: ^\s*;
scope: punctuation.comment.line.start
set: gcode_comment
- match: \s*;
scope: punctuation.comment.eol.start
set: gcode_comment
- match: \s*\(
scope: punctuation.paren.comment.open
push: gcode_comment_paren
# Comment to end of line.
gcode_comment:
- meta_content_scope: comment.gcode
- match: \s*$
pop: true
gcode_comment_paren:
- meta_content_scope: paren.comment.gcode
- match: '[^)]+'
- match: '[)]'
scope: punctuation.paren.comment.close
pop: true
- match: \s*$
pop: true
# Everything after this point is broken by a syntax error
syntax_error:
- meta_scope: invalid.error.syntax.gcode
- match: .*$
pop: true