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update grammar for latest jison

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Zachary Carter
2012-05-27 14:26:14 -07:00
parent 4f24c338fa
commit eca60bb22b
4 changed files with 70 additions and 48 deletions
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35
src/jsonlint.l
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@@ -1,23 +1,24 @@
esc "\\"
int "-"?([0-9]|[1-9][0-9]+)
exp ([eE][-+]?[0-9]+)
frac ("."[0-9]+)
exp [eE][-+]?[0-9]+
frac "."[0-9]+
%%
\s+ {/* skip whitespace */}
{int}{frac}?{exp}?\b {return 'NUMBER';}
'"'("\\"["bfnrt/{esc}]|"\\u"[a-fA-F0-9]{4}|[^\0-\x09\x0a-\x1f"{esc}])*'"' {yytext = yytext.substr(1,yyleng-2); return 'STRING';}
"{" %{ return '{' %}
"}" %{ return '}' %}
"[" {return '['}
"]" {return ']'}
"," {return ','}
":" {return ':'}
"true" {return 'TRUE'}
"false" {return 'FALSE'}
"null" {return 'NULL'}
<<EOF>> {return 'EOF'}
. {return 'INVALID'}
\s+ /* skip whitespace */
{int}{frac}?{exp}?\b return 'NUMBER'
\"(?:'\\'[\\"bfnrt/]|'\\u'[a-fA-F0-9]{4}|[^\\\0-\x09\x0a-\x1f"])*\" yytext = yytext.substr(1,yyleng-2); return 'STRING'
"{" return '{'
"}" return ''
"[" return '['
"]" return ']'
"," return ','
":" return ':'
"true" return 'TRUE'
"false" return 'FALSE'
"null" return 'NULL'
<<EOF>> return 'EOF'
. return 'INVALID'
%%

7
src/jsonlint.y
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@@ -1,13 +1,10 @@
%start JSONText
/*
ECMA-262 5th Edition, 15.12.1 The JSON Grammar.
*/
/* author: Zach Carter */
%start JSONText
%%
JSONString