8000 Lua scanner by Quintus · Pull Request #21 · rubychan/coderay · GitHub
[go: up one dir, main page]
Skip to content

Lua scanner #21

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wants to merge 14 commits into from
Closed

Lua scanner #21

Changes from 1 commit
Commits
Show all changes
14 commits
Select commit Hold shift + click to select a range
9f568d9
Add Lua scanner
Apr 21, 2012
2a2ac12
Correctly highlight obscure numbers such as 0x.a3p-5.
Apr 21, 2012
dcf7b1d
Recognize _UPPERCASE tokens as Lua reserved idents.
Apr 21, 2012
955db8f
Highlight goto labels
Apr 22, 2012
5d3ad0b
Highlight local variable declarations
Apr 22, 2012
6e2c997
Recognize the various kinds of table definitions Lua allows.
Apr 22, 2012
e9f5c28
Allow local functions
Apr 22, 2012
535ff2f
Allow more obscure function definitions with colon as the last separa…
Apr 22, 2012
8c9f53f
Allow anonymous function definitions.
Apr 22, 2012
dc0e15a
Recognize predefined expressions, i.e. functions and other idents pro…
Apr 22, 2012
5b3efc3
Anonymous functions with parameters
Apr 22, 2012
800431a
Add CSS styles for table highlighting.
Apr 22, 2012
9dc21e5
Take unary - as part of the number rather than an operator.
Apr 22, 2012
e339a68
Add some informative comments
Apr 22, 2012
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Prev Previous commit
Next Next commit
Take unary - as part of the number rather than an operator. 
Note Lua has no unary +.
  • Loading branch information
Quintus committed Apr 22, 2012
commit 9dc21e57ea0fbd1e7869405d206dc906aef1aee6
8 changes: 4 additions & 4 deletions lib/coderay/scanners/lua.rb
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -124,12 +124,12 @@ def handle_state_initial
@start_delim = match
@state = :string

# hex number ←|→ decimal number
elsif match = scan(/0x\h* \. \h+ (?:p[+\-]?\d+)? | \d*\.\d+ (?:e[+\-]?\d+)?/ix) # hexadecimal constants have no E power, decimal ones no P power
# ↓Prefix hex number ←|→ decimal number
elsif match = scan(/-? (?:0x\h* \. \h+ (?:p[+\-]?\d+)? | \d*\.\d+ (?:e[+\-]?\d+)?)/ix) # hexadecimal constants have no E power, decimal ones no P power
@encoder.text_token(match, :float)

# hex number ←|→ decimal number
elsif match = scan(/0x\h+ (?:p[+\-]?\d+)? | \d+ (?:e[+\-]?\d+)?/ix) # hexadecimal constants have no E power, decimal ones no P power
# ↓Prefix hex number ←|→ decimal number
elsif match = scan(/-? (?:0x\h+ (?:p[+\-]?\d+)? | \d+ (?:e[+\-]?\d+)?)/ix) # hexadecimal constants have no E power, decimal ones no P power
@encoder.text_token(match, :integer)

elsif match = scan(/[\+\-\*\/%^\#=~<>\(\)\[\]:;,] | \.(?!\d)/x)
Expand Down
0