[I] Scanner
Properties
| Property | Modifier | Type | Description |
|---|---|---|---|
file | readonly | SourceFile | The source code being scanned. |
position | readonly | number | The offset in UTF-16 code units to the current position at the start of the next token. |
token | readonly | Token | The current token |
tokenFlags | readonly | TokenFlags | The flags on the current token. |
tokenPosition | readonly | number | The offset in UTF-16 code units to the start of the current token. |
Methods
eof()
eof(): boolean
Determine if the scanner has reached the end of the input.
Returns
boolean
findTripleQuotedStringIndent()
findTripleQuotedStringIndent(start, end): [number, number]
Finds the indent for the given triple quoted string.
Parameters
| Parameter | Type | Description |
|---|---|---|
start | number | |
end | number |
Returns
[number, number]
getTokenText()
getTokenText(): string
The exact spelling of the current token.
Returns
string
getTokenValue()
getTokenValue(): string
The value of the current token.
String literals are escaped and unquoted, identifiers are normalized, and all other tokens return their exact spelling sames as getTokenText().
Returns
string
reScanStringTemplate()
reScanStringTemplate(tokenFlags): StringTemplateToken
Unconditionally back up and scan a template expression portion.
Parameters
| Parameter | Type | Description |
|---|---|---|
tokenFlags | TokenFlags | Token Flags for head StringTemplateToken |
Returns
scan()
scan(): Token
Advance one token.
Returns
scanDoc()
scanDoc(): DocToken
Advance one token inside DocComment. Use inside scanRange callback over DocComment range.
Returns
scanRange()
scanRange<T>(range, callback): T
Reset the scanner to the given start and end positions, invoke the callback, and then restore scanner state.
Type Parameters
| Type Parameter |
|---|
T |
Parameters
| Parameter | Type |
|---|---|
range | TextRange |
callback | () => T |
Returns
T
unindentAndUnescapeTripleQuotedString()
unindentAndUnescapeTripleQuotedString(
start,
end,
indentationStart,
indentationEnd,
token,
tokenFlags): string
Unindent and unescape the triple quoted string rawText
Parameters
| Parameter | Type |
|---|---|
start | number |
end | number |
indentationStart | number |
indentationEnd | number |
token | StringLiteral | StringTemplateToken |
tokenFlags | TokenFlags |
Returns
string