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-rw-r--r--lua/lexers/networkd.lua335
1 files changed, 81 insertions, 254 deletions
diff --git a/lua/lexers/networkd.lua b/lua/lexers/networkd.lua
index 3f27bae..ff9af93 100644
--- a/lua/lexers/networkd.lua
+++ b/lua/lexers/networkd.lua
@@ -1,274 +1,101 @@
--- Copyright 2016 Christian Hesse
+-- Copyright 2016-2022 Christian Hesse. See LICENSE.
-- systemd networkd file LPeg lexer.
-local l = require('lexer')
-local token, word_match = l.token, l.word_match
-local P, R, S = lpeg.P, lpeg.R, lpeg.S
+local lexer = require('lexer')
+local token, word_match = lexer.token, lexer.word_match
+local P, S = lpeg.P, lpeg.S
-local M = {_NAME = 'networkd'}
+local lex = lexer.new('networkd', {lex_by_line = true})
-- Whitespace.
-local ws = token(l.WHITESPACE, l.space^1)
-
--- Comments.
-local comment = token(l.COMMENT, l.starts_line(S(';#')) * l.nonnewline^0)
-
--- Strings.
-local sq_str = l.delimited_range("'")
-local dq_str = l.delimited_range('"')
-local section_word = word_match{
- 'Address',
- 'Link',
- 'Match',
- 'Network',
- 'Route',
- 'DHCP',
- 'DHCPServer',
- 'Bridge',
- 'BridgeFDB',
- 'NetDev',
- 'VLAN',
- 'MACVLAN',
- 'MACVTAP',
- 'IPVLAN',
- 'VXLAN',
- 'Tunnel',
- 'Peer',
- 'Tun',
- 'Tap',
- 'Bond'
-}
-local string = token(l.STRING, sq_str + dq_str + '[' * section_word * ']')
-
--- Numbers.
-local dec = l.digit^1 * ('_' * l.digit^1)^0
-local oct_num = '0' * S('01234567_')^1
-local integer = S('+-')^-1 * (l.hex_num + oct_num + dec)
-local number = token(l.NUMBER, (l.float + integer))
+lex:add_rule('whitespace', token(lexer.WHITESPACE, lexer.space^1))
-- Keywords.
-local keyword = token(l.KEYWORD, word_match{
- -- boolean values
- 'true',
- 'false',
- 'on',
- 'off',
- 'yes',
- 'no',
-})
+lex:add_rule('keyword', token(lexer.KEYWORD, word_match{
+ -- Boolean values.
+ 'true', 'false', 'on', 'off', 'yes', 'no'
+}))
-- Options.
-local option_word = word_match{
- -- match section options
- 'MACAddress',
- 'OriginalName',
- 'Path',
- 'Driver',
- 'Type',
- 'Host',
- 'Name',
- 'Virtualization',
- 'KernelCommandLine',
- 'Architecture',
-
- -- link section options
- 'Description',
- 'Alias',
- 'MACAddressPolicy',
- 'MACAddress',
- 'NamePolicy',
- 'Name',
- 'MTUBytes',
- 'BitsPerSecond',
- 'Duplex',
- 'WakeOnLan',
-
- -- network section options
- 'Description',
- 'DHCP',
- 'DHCPServer',
- 'LinkLocalAddressing',
- 'IPv4LLRoute',
- 'IPv6Token',
- 'LLMNR',
- 'MulticastDNS',
- 'DNSSEC',
- 'DNSSECNegativeTrustAnchors',
- 'LLDP',
- 'BindCarrier',
- 'Address',
- 'Gateway',
- 'DNS',
- 'Domains',
- 'NTP',
- 'IPForward',
- 'IPMasquerade',
- 'IPv6PrivacyExtensions',
- 'IPv6AcceptRouterAdvertisements',
- 'IPv6DuplicateAddressDetection',
- 'IPv6HopLimit',
- 'Bridge',
- 'Bond',
- 'VLAN',
- 'MACVLAN',
- 'VXLAN',
- 'Tunnel',
-
- -- address section options
- 'Address',
- 'Peer',
- 'Broadcast',
- 'Label',
-
- -- route section options
- 'Gateway',
- 'Destination',
- 'Source',
- 'Metric',
- 'Scope',
- 'PreferredSource',
-
- -- dhcp section options
- 'UseDNS',
- 'UseNTP',
- 'UseMTU',
- 'SendHostname',
- 'UseHostname',
- 'Hostname',
- 'UseDomains',
- 'UseRoutes',
- 'UseTimezone',
- 'CriticalConnection',
- 'ClientIdentifier',
- 'VendorClassIdentifier',
- 'RequestBroadcast',
- 'RouteMetric',
-
- -- dhcpserver section options
- 'PoolOffset',
- 'PoolSize',
- 'DefaultLeaseTimeSec',
- 'MaxLeaseTimeSec',
- 'EmitDNS',
- 'DNS',
- 'EmitNTP',
- 'NTP',
- 'EmitTimezone',
- 'Timezone',
-
- -- bridge section options
- 'UnicastFlood',
- 'HairPin',
- 'UseBPDU',
- 'FastLeave',
- 'AllowPortToBeRoot',
- 'Cost',
-
- -- bridgefdb section options
- 'MACAddress',
- 'VLANId',
-
- -- netdev section options
- 'Description',
- 'Name',
- 'Kind',
- 'MTUBytes',
- 'MACAddress',
-
- -- bridge (netdev) section options
- 'HelloTimeSec',
- 'MaxAgeSec',
- 'ForwardDelaySec',
-
- -- vlan section options
+lex:add_rule('option', token(lexer.PREPROCESSOR, word_match{
+ -- Match section.
+ 'MACAddress', 'OriginalName', 'Path', 'Driver', 'Type', 'Host', 'Name', 'Virtualization',
+ 'KernelCommandLine', 'Architecture',
+ -- Link section.
+ 'Description', 'Alias', 'MACAddressPolicy', 'MACAddress', 'NamePolicy', 'Name', 'MTUBytes',
+ 'BitsPerSecond', 'Duplex', 'WakeOnLan',
+ -- Network section.
+ 'Description', 'DHCP', 'DHCPServer', 'LinkLocalAddressing', 'IPv4LLRoute', 'IPv6Token', 'LLMNR',
+ 'MulticastDNS', 'DNSSEC', 'DNSSECNegativeTrustAnchors', 'LLDP', 'BindCarrier', 'Address',
+ 'Gateway', 'DNS', 'Domains', 'NTP', 'IPForward', 'IPMasquerade', 'IPv6PrivacyExtensions',
+ 'IPv6AcceptRouterAdvertisements', 'IPv6DuplicateAddressDetection', 'IPv6HopLimit', 'Bridge',
+ 'Bond', 'VLAN', 'MACVLAN', 'VXLAN', 'Tunnel',
+ -- Address section.
+ 'Address', 'Peer', 'Broadcast', 'Label',
+ -- Route section.
+ 'Gateway', 'Destination', 'Source', 'Metric', 'Scope', 'PreferredSource',
+ -- DHCP section.
+ 'UseDNS', 'UseNTP', 'UseMTU', 'SendHostname', 'UseHostname', 'Hostname', 'UseDomains',
+ 'UseRoutes', 'UseTimezone', 'CriticalConnection', 'ClientIdentifier', 'VendorClassIdentifier',
+ 'RequestBroadcast', 'RouteMetric',
+ -- DHCPServer section.
+ 'PoolOffset', 'PoolSize', 'DefaultLeaseTimeSec', 'MaxLeaseTimeSec', 'EmitDNS', 'DNS', 'EmitNTP',
+ 'NTP', 'EmitTimezone', 'Timezone',
+ -- Bridge section.
+ 'UnicastFlood', 'HairPin', 'UseBPDU', 'FastLeave', 'AllowPortToBeRoot', 'Cost',
+ -- BridgeFDP section.
+ 'MACAddress', 'VLANId',
+ -- NetDev section.
+ 'Description', 'Name', 'Kind', 'MTUBytes', 'MACAddress',
+ -- Bridge (netdev) section.
+ 'HelloTimeSec', 'MaxAgeSec', 'ForwardDelaySec',
+ -- VLAN section.
'Id',
-
- -- macvlan, macvtap and ipvlan section options
+ -- MACVLAN MACVTAP and IPVLAN section.
'Mode',
-
- -- vxlan section options
- 'Id',
- 'Group',
- 'TOS',
- 'TTL',
- 'MacLearning',
- 'FDBAgeingSec',
- 'MaximumFDBEntries',
- 'ARPProxy',
- 'L2MissNotification',
- 'L3MissNotification',
- 'RouteShortCircuit',
- 'UDPCheckSum',
- 'UDP6ZeroChecksumTx',
- 'UDP6ZeroCheckSumRx',
- 'GroupPolicyExtension',
- 'DestinationPort',
+ -- VXLAN section.
+ 'Id', 'Group', 'TOS', 'TTL', 'MacLearning', 'FDBAgeingSec', 'MaximumFDBEntries', 'ARPProxy',
+ 'L2MissNotification', 'L3MissNotification', 'RouteShortCircuit', 'UDPCheckSum',
+ 'UDP6ZeroChecksumTx', 'UDP6ZeroCheckSumRx', 'GroupPolicyExtension', 'DestinationPort',
'PortRange',
+ -- Tunnel section.
+ 'Local', 'Remote', 'TOS', 'TTL', 'DiscoverPathMTU', 'IPv6FlowLabel', 'CopyDSCP',
+ 'EncapsulationLimit', 'Mode',
+ -- Peer section.
+ 'Name', 'MACAddress',
+ -- Tun and Tap section.
+ 'OneQueue', 'MultiQueue', 'PacketInfo', 'VNetHeader', 'User', 'Group',
+ -- Bond section.
+ 'Mode', 'TransmitHashPolicy', 'LACPTransmitRate', 'MIIMonitorSec', 'UpDelaySec', 'DownDelaySec',
+ 'LearnPacketIntervalSec', 'AdSelect', 'FailOverMACPolicy', 'ARPValidate', 'ARPIntervalSec',
+ 'ARPIPTargets', 'ARPAllTargets', 'PrimaryReselectPolicy', 'ResendIGMP', 'PacketsPerSlave',
+ 'GratuitousARP', 'AllSlavesActive', 'MinLinks'
+}))
- -- tunnel section options
- 'Local',
- 'Remote',
- 'TOS',
- 'TTL',
- 'DiscoverPathMTU',
- 'IPv6FlowLabel',
- 'CopyDSCP',
- 'EncapsulationLimit',
- 'Mode',
+-- Identifiers.
+lex:add_rule('identifier', token(lexer.IDENTIFIER, (lexer.alpha + '_') * (lexer.alnum + S('_.'))^0))
- -- peer section options
- 'Name',
- 'MACAddress',
+-- Strings.
+local sq_str = lexer.range("'")
+local dq_str = lexer.range('"')
+lex:add_rule('string', token(lexer.STRING, sq_str + dq_str))
- -- tun and tap section options
- 'OneQueue',
- 'MultiQueue',
- 'PacketInfo',
- 'VNetHeader',
- 'User',
- 'Group',
+-- Sections.
+lex:add_rule('section', token(lexer.LABEL, '[' * word_match{
+ 'Address', 'Link', 'Match', 'Network', 'Route', 'DHCP', 'DHCPServer', 'Bridge', 'BridgeFDB',
+ 'NetDev', 'VLAN', 'MACVLAN', 'MACVTAP', 'IPVLAN', 'VXLAN', 'Tunnel', 'Peer', 'Tun', 'Tap', 'Bond'
+} * ']'))
- -- bond section options
- 'Mode',
- 'TransmitHashPolicy',
- 'LACPTransmitRate',
- 'MIIMonitorSec',
- 'UpDelaySec',
- 'DownDelaySec',
- 'LearnPacketIntervalSec',
- 'AdSelect',
- 'FailOverMACPolicy',
- 'ARPValidate',
- 'ARPIntervalSec',
- 'ARPIPTargets',
- 'ARPAllTargets',
- 'PrimaryReselectPolicy',
- 'ResendIGMP',
- 'PacketsPerSlave',
- 'GratuitousARP',
- 'AllSlavesActive',
- 'MinLinks',
-}
-local preproc = token(l.PREPROCESSOR, option_word)
+-- Comments.
+lex:add_rule('comment', token(lexer.COMMENT, lexer.starts_line(lexer.to_eol(S(';#')))))
--- Identifiers.
-local word = (l.alpha + '_') * (l.alnum + S('_.'))^0
-local identifier = token(l.IDENTIFIER, word)
+-- Numbers.
+local dec = lexer.digit^1 * ('_' * lexer.digit^1)^0
+local oct_num = '0' * S('01234567_')^1
+local integer = S('+-')^-1 * (lexer.hex_num + oct_num + dec)
+lex:add_rule('number', token(lexer.NUMBER, lexer.float + integer))
-- Operators.
-local operator = token(l.OPERATOR, '=')
-
-M._rules = {
- {'whitespace', ws},
- {'keyword', keyword},
- {'string', string},
- {'preproc', preproc},
- {'identifier', identifier},
- {'comment', comment},
- {'number', number},
- {'operator', operator},
-}
-
-M._LEXBYLINE = true
+lex:add_rule('operator', token(lexer.OPERATOR, '='))
-return M
+return lex
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