diff options
Diffstat (limited to 'lib/coderay/scanners/c.rb')
| -rw-r--r-- | lib/coderay/scanners/c.rb | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/lib/coderay/scanners/c.rb b/lib/coderay/scanners/c.rb index ac1d0d2..373ee23 100644 --- a/lib/coderay/scanners/c.rb +++ b/lib/coderay/scanners/c.rb @@ -1,45 +1,50 @@ module CodeRay module Scanners - + + # Scanner for C. + # + # Alias: +h+ class C < Scanner include Streamable register_for :c file_extension 'c' - + RESERVED_WORDS = [ 'asm', 'break', 'case', 'continue', 'default', 'do', 'else', 'enum', 'for', 'goto', 'if', 'return', 'sizeof', 'struct', 'switch', 'typedef', 'union', 'while', 'restrict', # added in C99 - ] + ] # :nodoc: PREDEFINED_TYPES = [ 'int', 'long', 'short', 'char', 'signed', 'unsigned', 'float', 'double', 'bool', 'complex', # added in C99 - ] + ] # :nodoc: PREDEFINED_CONSTANTS = [ 'EOF', 'NULL', 'true', 'false', # added in C99 - ] + ] # :nodoc: DIRECTIVES = [ 'auto', 'extern', 'register', 'static', 'void', 'const', 'volatile', # added in C89 'inline', # added in C99 - ] + ] # :nodoc: IDENT_KIND = WordList.new(:ident). add(RESERVED_WORDS, :reserved). add(PREDEFINED_TYPES, :pre_type). add(DIRECTIVES, :directive). - add(PREDEFINED_CONSTANTS, :pre_constant) - - ESCAPE = / [rbfntv\n\\'"] | x[a-fA-F0-9]{1,2} | [0-7]{1,3} /x - UNICODE_ESCAPE = / u[a-fA-F0-9]{4} | U[a-fA-F0-9]{8} /x + add(PREDEFINED_CONSTANTS, :pre_constant) # :nodoc: + ESCAPE = / [rbfntv\n\\'"] | x[a-fA-F0-9]{1,2} | [0-7]{1,3} /x # :nodoc: + UNICODE_ESCAPE = / u[a-fA-F0-9]{4} | U[a-fA-F0-9]{8} /x # :nodoc: + + protected + def scan_tokens tokens, options state = :initial @@ -180,7 +185,7 @@ module Scanners end match ||= matched - if $DEBUG and not kind + if $CODERAY_DEBUG and not kind raise_inspect 'Error token %p in line %d' % [[match, kind], line], tokens end |