diff options
Diffstat (limited to 'lib/stdlib/doc/src/erl_scan.xml')
| -rw-r--r-- | lib/stdlib/doc/src/erl_scan.xml | 185 |
1 files changed, 6 insertions, 179 deletions
diff --git a/lib/stdlib/doc/src/erl_scan.xml b/lib/stdlib/doc/src/erl_scan.xml index 342f491dd0..ee0d6b6033 100644 --- a/lib/stdlib/doc/src/erl_scan.xml +++ b/lib/stdlib/doc/src/erl_scan.xml @@ -40,39 +40,15 @@ </description> <datatypes> <datatype> - <name name="attribute_info"></name> - </datatype> - <datatype> - <name name="attributes"></name> - </datatype> - <datatype> - <name name="attributes_data"></name> - </datatype> - <datatype> <name name="category"></name> </datatype> <datatype> - <name name="column"></name> - </datatype> - <datatype> <name name="error_description"></name> </datatype> <datatype> <name name="error_info"></name> </datatype> <datatype> - <name name="info_line"></name> - </datatype> - <datatype> - <name name="info_location"></name> - </datatype> - <datatype> - <name name="line"></name> - </datatype> - <datatype> - <name name="location"></name> - </datatype> - <datatype> <name name="option"></name> </datatype> <datatype> @@ -88,9 +64,6 @@ <name name="token"></name> </datatype> <datatype> - <name name="token_info"></name> - </datatype> - <datatype> <name name="tokens"></name> </datatype> <datatype> @@ -122,25 +95,23 @@ <anno>StartLocation</anno>, [])</c>.</p> <p><c><anno>StartLocation</anno></c> indicates the initial location when scanning starts. If <c><anno>StartLocation</anno></c> is a line, - <c>attributes()</c> as well as <c><anno>EndLocation</anno></c> and + <c>Anno</c> as well as <c><anno>EndLocation</anno></c> and <c><anno>ErrorLocation</anno></c> will be lines. If <c><anno>StartLocation</anno></c> is a pair of a line and a column - <c>attributes()</c> takes the form of an opaque compound + <c>Anno</c> takes the form of an opaque compound data type, and <c><anno>EndLocation</anno></c> and <c><anno>ErrorLocation</anno></c> will be pairs of a line and a column. The <em>token - attributes</em> contain information about the column and the + annotations</em> contain information about the column and the line where the token begins, as well as the text of the token (if the <c>text</c> option is given), all of which can - be accessed by calling <seealso - marker="#token_info/1">token_info/1,2</seealso>, <seealso - marker="#attributes_info/1">attributes_info/1,2</seealso>, + be accessed by calling <seealso marker="#column/1">column/1</seealso>, <seealso marker="#line/1">line/1</seealso>, <seealso marker="#location/1">location/1</seealso>, and <seealso marker="#text/1">text/1</seealso>.</p> <p>A <em>token</em> is a tuple containing information about - syntactic category, the token attributes, and the actual + syntactic category, the token annotations, and the actual terminal symbol. For punctuation characters (e.g. <c>;</c>, <c>|</c>) and reserved words, the category and the symbol coincide, and the token is represented by a two-tuple. @@ -172,7 +143,7 @@ <item><p>Short for <c>[return_comments, return_white_spaces]</c>.</p> </item> <tag><c>text</c></tag> - <item><p>Include the token's text in the token attributes. The + <item><p>Include the token's text in the token annotation. The text is the part of the input corresponding to the token.</p> </item> </taglist> @@ -306,150 +277,6 @@ </desc> </func> <func> - <name name="token_info" arity="1"/> - <fsummary>Return information about a token</fsummary> - <desc> - <p>Returns a list containing information about the token - <c><anno>Token</anno></c>. The order of the - <c><anno>TokenInfoTuple</anno></c>s is not - defined. See <seealso - marker="#token_info/2">token_info/2</seealso> for - information about specific - <c><anno>TokenInfoTuple</anno></c>s.</p> - <p>Note that if <c>token_info(Token, TokenItem)</c> returns - <c>undefined</c> for some <c>TokenItem</c>, the - item is not included in <c><anno>TokenInfo</anno></c>.</p> - </desc> - </func> - <func> - <name name="token_info" arity="2" clause_i="1"/> - <name name="token_info" arity="2" clause_i="2"/> - <fsummary>Return information about a token</fsummary> - <type name="token_item"/> - <type name="attribute_item"/> - <desc> - <p>Returns a list containing information about the token - <c><anno>Token</anno></c>. If one single - <c><anno>TokenItem</anno></c> is given the returned value is - the corresponding - <c>TokenInfoTuple</c>, or <c>undefined</c> if the - <c>TokenItem</c> has no value. If a list of - <c><anno>TokenItem</anno></c>s is given the result is a list of - <c><anno>TokenInfoTuple</anno></c>. The - <c><anno>TokenInfoTuple</anno></c>s will - appear with the corresponding <c><anno>TokenItem</anno></c>s in - the same order as the <c><anno>TokenItem</anno></c>s - appear in the list of <c>TokenItem</c>s. - <c><anno>TokenItem</anno></c>s with no value are not included - in the list of <c><anno>TokenInfoTuple</anno></c>.</p> - <p>The following <c><anno>TokenInfoTuple</anno></c>s with corresponding - <c><anno>TokenItem</anno></c>s are valid:</p> - <taglist> - <tag><c>{category, </c><seealso marker="#type-category"> - category()</seealso><c>}</c></tag> - <item><p>The category of the token.</p> - </item> - <tag><c>{column, </c><seealso marker="#type-column"> - column()</seealso><c>}</c></tag> - <item><p>The column where the token begins.</p> - </item> - <tag><c>{length, integer() > 0}</c></tag> - <item><p>The length of the token's text.</p> - </item> - <tag><c>{line, </c><seealso marker="#type-line"> - line()</seealso><c>}</c></tag> - <item><p>The line where the token begins.</p> - </item> - <tag><c>{location, </c><seealso marker="#type-location"> - location()</seealso><c>}</c></tag> - <item><p>The line and column where the token begins, or - just the line if the column unknown.</p> - </item> - <tag><c>{symbol, </c><seealso marker="#type-symbol"> - symbol()</seealso><c>}</c></tag> - <item><p>The token's symbol.</p> - </item> - <tag><c>{text, string()}</c></tag> - <item><p>The token's text.</p> - </item> - </taglist> - </desc> - </func> - <func> - <name name="attributes_info" arity="1"/> - <fsummary>Return information about token attributes</fsummary> - <desc> - <p>Returns a list containing information about the token - attributes <c><anno>Attributes</anno></c>. The order of the - <c><anno>AttributeInfoTuple</anno></c>s is not defined. - See <seealso - marker="#attributes_info/2">attributes_info/2</seealso> for - information about specific - <c><anno>AttributeInfoTuple</anno></c>s.</p> - <p>Note that if <c>attributes_info(Token, AttributeItem)</c> - returns <c>undefined</c> for some <c>AttributeItem</c> in - the list above, the item is not included in - <c><anno>AttributesInfo</anno></c>.</p> - </desc> - </func> - <func> - <name name="attributes_info" arity="2" clause_i="1"/> - <name name="attributes_info" arity="2" clause_i="2"/> - <fsummary>Return information about a token attributes</fsummary> - <type name="attribute_item"/> - <desc> - <p>Returns a list containing information about the token - attributes <c><anno>Attributes</anno></c>. If one single - <c><anno>AttributeItem</anno></c> is given the returned value is the - corresponding <c><anno>AttributeInfoTuple</anno></c>, - or <c>undefined</c> if the <c><anno>AttributeItem</anno></c> - has no value. If a list of <c><anno>AttributeItem</anno></c> - is given the result is a list of - <c><anno>AttributeInfoTuple</anno></c>. - The <c><anno>AttributeInfoTuple</anno></c>s - will appear with the corresponding <c><anno>AttributeItem</anno></c>s - in the same order as the <c><anno>AttributeItem</anno></c>s - appear in the list of <c><anno>AttributeItem</anno></c>s. - <c><anno>AttributeItem</anno></c>s with no - value are not included in the list of - <c><anno>AttributeInfoTuple</anno></c>.</p> - <p>The following <c><anno>AttributeInfoTuple</anno></c>s with - corresponding <c><anno>AttributeItem</anno></c>s are valid:</p> - <taglist> - <tag><c>{column, </c><seealso marker="#type-column"> - column()</seealso><c>}</c></tag> - <item><p>The column where the token begins.</p> - </item> - <tag><c>{length, integer() > 0}</c></tag> - <item><p>The length of the token's text.</p> - </item> - <tag><c>{line, </c><seealso marker="#type-line"> - line()</seealso><c>}</c></tag> - <item><p>The line where the token begins.</p> - </item> - <tag><c>{location, </c><seealso marker="#type-location"> - location()</seealso><c>}</c></tag> - <item><p>The line and column where the token begins, or - just the line if the column unknown.</p> - </item> - <tag><c>{text, string()}</c></tag> - <item><p>The token's text.</p> - </item> - </taglist> - </desc> - </func> - <func> - <name name="set_attribute" arity="3"/> - <fsummary>Set a token attribute value</fsummary> - <desc> - <p>Sets the value of the <c>line</c> attribute of the token - attributes <c><anno>Attributes</anno></c>.</p> - <p>The <c><anno>SetAttributeFun</anno></c> is called with the value of - the <c>line</c> attribute, and is to return the new value of - the <c>line</c> attribute.</p> - </desc> - </func> - <func> <name name="format_error" arity="1"/> <fsummary>Format an error descriptor</fsummary> <desc> |