glib-lexical-scanner.html

最新gtk中文资料集

</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="glib-Lexical-Scanner.html#GTokenType">GTokenType</a>&#160;<em class="structfield"><code>next_token</code></em>;</span></p></td>
<td>   token parsed by the last <a class="link" href="glib-Lexical-Scanner.html#g-scanner-peek-next-token"><code class="function">g_scanner_peek_next_token()</code></a>
</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="glib-Lexical-Scanner.html#GTokenValue">GTokenValue</a>&#160;<em class="structfield"><code>next_value</code></em>;</span></p></td>
<td>   value of the last token from <a class="link" href="glib-Lexical-Scanner.html#g-scanner-peek-next-token"><code class="function">g_scanner_peek_next_token()</code></a>
</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="glib-Basic-Types.html#guint">guint</a>&#160;<em class="structfield"><code>next_line</code></em>;</span></p></td>
<td>    line number of the last token from <a class="link" href="glib-Lexical-Scanner.html#g-scanner-peek-next-token"><code class="function">g_scanner_peek_next_token()</code></a>
</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="glib-Basic-Types.html#guint">guint</a>&#160;<em class="structfield"><code>next_position</code></em>;</span></p></td>
<td>char number of the last token from <a class="link" href="glib-Lexical-Scanner.html#g-scanner-peek-next-token"><code class="function">g_scanner_peek_next_token()</code></a>
</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="glib-Hash-Tables.html#GHashTable">GHashTable</a>&#160;*<em class="structfield"><code>symbol_table</code></em>;</span></p></td>
<td>
</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="glib-Basic-Types.html#gint">gint</a>&#160;<em class="structfield"><code>input_fd</code></em>;</span></p></td>
<td>
</td>
</tr>
<tr>
<td><p><span class="term">const&#160;<a class="link" href="glib-Basic-Types.html#gchar">gchar</a>&#160;*<em class="structfield"><code>text</code></em>;</span></p></td>
<td>
</td>
</tr>
<tr>
<td><p><span class="term">const&#160;<a class="link" href="glib-Basic-Types.html#gchar">gchar</a>&#160;*<em class="structfield"><code>text_end</code></em>;</span></p></td>
<td>
</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="glib-Basic-Types.html#gchar">gchar</a>&#160;*<em class="structfield"><code>buffer</code></em>;</span></p></td>
<td>
</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="glib-Basic-Types.html#guint">guint</a>&#160;<em class="structfield"><code>scope_id</code></em>;</span></p></td>
<td>
</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="glib-Lexical-Scanner.html#GScannerMsgFunc">GScannerMsgFunc</a>&#160;<em class="structfield"><code>msg_handler</code></em>;</span></p></td>
<td>function to handle GScanner message output

</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3081562"></a><h3>
<a name="GScannerConfig"></a>GScannerConfig</h3>
<a class="indexterm" name="id3081575"></a><pre class="programlisting">typedef struct {
  /* Character sets
   */
  gchar		*cset_skip_characters;		/* default: " \t\n" */
  gchar		*cset_identifier_first;
  gchar		*cset_identifier_nth;
  gchar		*cpair_comment_single;		/* default: "#\n" */
  
  /* Should symbol lookup work case sensitive?
   */
  guint		case_sensitive : 1;
  
  /* Boolean values to be adjusted "on the fly"
   * to configure scanning behaviour.
   */
  guint		skip_comment_multi : 1;		/* C like comment */
  guint		skip_comment_single : 1;	/* single line comment */
  guint		scan_comment_multi : 1;		/* scan multi line comments? */
  guint		scan_identifier : 1;
  guint		scan_identifier_1char : 1;
  guint		scan_identifier_NULL : 1;
  guint		scan_symbols : 1;
  guint		scan_binary : 1;
  guint		scan_octal : 1;
  guint		scan_float : 1;
  guint		scan_hex : 1;			/* `0x0ff0' */
  guint		scan_hex_dollar : 1;		/* `$0ff0' */
  guint		scan_string_sq : 1;		/* string: 'anything' */
  guint		scan_string_dq : 1;		/* string: "\\-escapes!\n" */
  guint		numbers_2_int : 1;		/* bin, octal, hex =&gt; int */
  guint		int_2_float : 1;		/* int =&gt; G_TOKEN_FLOAT? */
  guint		identifier_2_string : 1;
  guint		char_2_token : 1;		/* return G_TOKEN_CHAR? */
  guint		symbol_2_token : 1;
  guint		scope_0_fallback : 1;		/* try scope 0 on lookups? */
  guint		store_int64 : 1; 		/* use value.v_int64 rather than v_int */
  guint		padding_dummy;
} GScannerConfig;
</pre>
<p>
Specifies the <a class="link" href="glib-Lexical-Scanner.html#GScanner"><span class="type">GScanner</span></a> parser configuration. Most settings can be changed during
the parsing phase and will affect the lexical parsing of the next unpeeked token.
</p>
<p>
<em class="structfield"><code>cset_skip_characters</code></em> specifies which characters
should be skipped by the scanner (the default is the whitespace characters:
space, tab, carriage-return and line-feed).
</p>
<p>
<em class="structfield"><code>cset_identifier_first</code></em> specifies the characters
which can start identifiers (the default is <a class="link" href="glib-Lexical-Scanner.html#G-CSET-a-2-z"><span class="type">G_CSET_a_2_z</span></a>, "_", and 
<a class="link" href="glib-Lexical-Scanner.html#G-CSET-A-2-Z:CAPS"><span class="type">G_CSET_A_2_Z</span></a>).
</p>
<p>
<em class="structfield"><code>cset_identifier_nth</code></em> specifies the characters
which can be used in identifiers, after the first character (the default 
is <a class="link" href="glib-Lexical-Scanner.html#G-CSET-a-2-z"><span class="type">G_CSET_a_2_z</span></a>, "_0123456789", <a class="link" href="glib-Lexical-Scanner.html#G-CSET-A-2-Z:CAPS"><span class="type">G_CSET_A_2_Z</span></a>, <a class="link" href="glib-Lexical-Scanner.html#G-CSET-LATINS:CAPS"><span class="type">G_CSET_LATINS</span></a>,
<a class="link" href="glib-Lexical-Scanner.html#G-CSET-LATINC:CAPS"><span class="type">G_CSET_LATINC</span></a>).
</p>
<p>
<em class="structfield"><code>cpair_comment_single</code></em> specifies the characters
at the start and end of single-line comments. The default is "#\n" which
means that single-line comments start with a '#' and continue until a '\n'
(end of line).
</p>
<p>
<em class="structfield"><code>case_sensitive</code></em> specifies if symbols are
case sensitive (the default is <a class="link" href="glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>).
</p>
<p>
<em class="structfield"><code>skip_comment_multi</code></em> specifies if multi-line
comments are skipped and not returned as tokens (the default is <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>).
</p>
<p>
<em class="structfield"><code>skip_comment_single</code></em> specifies if single-line
comments are skipped and not returned as tokens (the default is <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>).
</p>
<p>
<em class="structfield"><code>scan_comment_multi</code></em> specifies if multi-line
comments are recognized (the default is <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>).
</p>
<p>
<em class="structfield"><code>scan_identifier</code></em> specifies if identifiers
are recognized (the default is <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>).
</p>
<p>
<em class="structfield"><code>scan_identifier_1char</code></em> specifies if single-character
identifiers are recognized (the default is <a class="link" href="glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>).
</p>
<p>
<em class="structfield"><code>scan_identifier_NULL</code></em> specifies if 
<code class="literal">NULL</code> is reported as <span class="type">G_TOKEN_IDENTIFIER_NULL</span>.
(the default is <a class="link" href="glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>).
</p>
<p>
<em class="structfield"><code>scan_symbols</code></em> specifies if symbols are
recognized (the default is <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>).
</p>
<p>
<em class="structfield"><code>scan_binary</code></em> specifies if binary numbers
are recognized (the default is <a class="link" href="glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>).
</p>
<p>
<em class="structfield"><code>scan_octal</code></em> specifies if octal numbers
are recognized (the default is <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>).
</p>
<p>
<em class="structfield"><code>scan_float</code></em> specifies if floating point numbers
are recognized (the default is <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>).
</p>
<p>
<em class="structfield"><code>scan_hex</code></em> specifies if hexadecimal numbers
are recognized (the default is <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>).
</p>
<p>
<em class="structfield"><code>scan_hex_dollar</code></em> specifies if '$' is recognized
as a prefix for hexadecimal numbers (the default is <a class="link" href="glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>).
</p>
<p>
<em class="structfield"><code>scan_string_sq</code></em> specifies if strings can be
enclosed in single quotes (the default is <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>).
</p>
<p>
<em class="structfield"><code>scan_string_dq</code></em> specifies if strings can be
enclosed in double quotes (the default is <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>).
</p>
<p>
<em class="structfield"><code>numbers_2_int</code></em> specifies if binary, octal and
hexadecimal numbers are reported as <span class="type">G_TOKEN_INT</span> (the default is <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>).
</p>
<p>
<em class="structfield"><code>int_2_float</code></em> specifies if all numbers are 
reported as <span class="type">G_TOKEN_FLOAT</span> (the default is <a class="link" href="glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>).
</p>
<p>
<em class="structfield"><code>identifier_2_string</code></em> specifies if identifiers
are reported as strings (the default is <a class="link" href="glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>).
</p>
<p>
<em class="structfield"><code>char_2_token</code></em> specifies if characters
are reported by setting <code class="literal">token = ch</code> or as <span class="type">G_TOKEN_CHAR</span> 
(the default is <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>).
</p>
<p>
<em class="structfield"><code>symbol_2_token</code></em> specifies if symbols 
are reported by setting <code class="literal">token = v_symbol</code> or as
<span class="type">G_TOKEN_SYMBOL</span> (the default is <a class="link" href="glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>).
</p>
<p>
<em class="structfield"><code>scope_0_fallback</code></em> specifies if a symbol 
is searched for in the default scope in addition to the current scope
(the default is <a class="link" href="glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>).
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3082168"></a><h3>
<a name="g-scanner-new"></a>g_scanner_new ()</h3>
<a class="indexterm" name="id3082181"></a><pre class="programlisting"><a class="link" href="glib-Lexical-Scanner.html#GScanner">GScanner</a>*           g_scanner_new                       (const <a class="link" href="glib-Lexical-Scanner.html#GScannerConfig">GScannerConfig</a> *config_templ);</pre>
<p>
Creates a new <a class="link" href="glib-Lexical-Scanner.html#GScanner"><span class="type">GScanner</span></a>.
The <em class="parameter"><code>config_templ</code></em> structure specifies the initial settings of the scanner,
which are copied into the <a class="link" href="glib-Lexical-Scanner.html#GScanner"><span class="type">GScanner</span></a> <em class="structfield"><code>config</code></em> field.
If you pass <a class="link" href="glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> then the default settings are used.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>config_templ</code></em>&#160;:</span></p></td>
<td>the initial scanner settings.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td>the new <a class="link" href="glib-Lexical-Scanner.html#GScanner"><span class="type">GScanner</span></a>.


</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3082285"></a><h3>
<a name="g-scanner-destroy"></a>g_scanner_destroy ()</h3>
<a class="indexterm" name="id3082298"></a><pre class="programlisting">void                g_scanner_destroy                   (<a class="link" href="glib-Lexical-Scanner.html#GScanner">GScanner</a> *scanner);</pre>
<p>
Frees all memory used by the <a class="link" href="glib-Lexical-Scanner.html#GScanner"><span class="type">GScanner</span></a>.