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Prism.languages.eiffel = {
comment: /--.*/,
string: [
// Aligned-verbatim-strings
{
pattern: /"([^[]*)\[[\s\S]*?\]\1"/,
greedy: true,
},
// Non-aligned-verbatim-strings
{
pattern: /"([^{]*)\{[\s\S]*?\}\1"/,
greedy: true,
},
// Single-line string
{
pattern: /"(?:%(?:(?!\n)\s)*\n\s*%|%\S|[^%"\r\n])*"/,
greedy: true,
},
],
// normal char | special char | char code
char: /'(?:%.|[^%'\r\n])+'/,
keyword:
/\b(?:across|agent|alias|all|and|as|assign|attached|attribute|check|class|convert|create|Current|debug|deferred|detachable|do|else|elseif|end|ensure|expanded|export|external|feature|from|frozen|if|implies|inherit|inspect|invariant|like|local|loop|not|note|obsolete|old|once|or|Precursor|redefine|rename|require|rescue|Result|retry|select|separate|some|then|undefine|until|variant|Void|when|xor)\b/i,
boolean: /\b(?:False|True)\b/i,
// Convention: class-names are always all upper-case characters
'class-name': /\b[A-Z][\dA-Z_]*\b/,
number: [
// hexa | octal | bin
/\b0[xcb][\da-f](?:_*[\da-f])*\b/i,
// Decimal
/(?:\b\d(?:_*\d)*)?\.(?:(?:\d(?:_*\d)*)?e[+-]?)?\d(?:_*\d)*\b|\b\d(?:_*\d)*\b\.?/i,
],
punctuation: /:=|<<|>>|\(\||\|\)|->|\.(?=\w)|[{}[\];(),:?]/,
operator: /\\\\|\|\.\.\||\.\.|\/[~\/=]?|[><]=?|[-+*^=~]/,
};
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