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101 lines
4.6 KiB
HTML
101 lines
4.6 KiB
HTML
4 years ago
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<title>Current structure hierarchy - GNU Compiler Collection (GCC) Internals</title>
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<meta name="description" content="GNU Compiler Collection (GCC) Internals">
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<link title="Top" rel="start" href="index.html#Top">
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<link rel="up" href="Internal-structure.html#Internal-structure" title="Internal structure">
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<link rel="next" href="Adding-new-DECL-node-types.html#Adding-new-DECL-node-types" title="Adding new DECL node types">
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Copyright (C) 1988-2015 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3 or
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(a) The FSF's Front-Cover Text is:
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A GNU Manual
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</head>
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<body>
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<div class="node">
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<a name="Current-structure-hierarchy"></a>
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<p>
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Next: <a rel="next" accesskey="n" href="Adding-new-DECL-node-types.html#Adding-new-DECL-node-types">Adding new DECL node types</a>,
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Up: <a rel="up" accesskey="u" href="Internal-structure.html#Internal-structure">Internal structure</a>
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<hr>
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</div>
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<h5 class="subsubsection">10.4.2.1 Current structure hierarchy</h5>
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<dl>
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<dt><code>struct tree_decl_minimal</code><dd>This is the minimal structure to inherit from in order for common
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<code>DECL</code> macros to work. The fields it contains are a unique ID,
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source location, context, and name.
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<br><dt><code>struct tree_decl_common</code><dd>This structure inherits from <code>struct tree_decl_minimal</code>. It
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contains fields that most <code>DECL</code> nodes need, such as a field to
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store alignment, machine mode, size, and attributes.
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<br><dt><code>struct tree_field_decl</code><dd>This structure inherits from <code>struct tree_decl_common</code>. It is
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used to represent <code>FIELD_DECL</code>.
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<br><dt><code>struct tree_label_decl</code><dd>This structure inherits from <code>struct tree_decl_common</code>. It is
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used to represent <code>LABEL_DECL</code>.
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<br><dt><code>struct tree_translation_unit_decl</code><dd>This structure inherits from <code>struct tree_decl_common</code>. It is
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used to represent <code>TRANSLATION_UNIT_DECL</code>.
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<br><dt><code>struct tree_decl_with_rtl</code><dd>This structure inherits from <code>struct tree_decl_common</code>. It
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contains a field to store the low-level RTL associated with a
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<code>DECL</code> node.
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<br><dt><code>struct tree_result_decl</code><dd>This structure inherits from <code>struct tree_decl_with_rtl</code>. It is
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used to represent <code>RESULT_DECL</code>.
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<br><dt><code>struct tree_const_decl</code><dd>This structure inherits from <code>struct tree_decl_with_rtl</code>. It is
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used to represent <code>CONST_DECL</code>.
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<br><dt><code>struct tree_parm_decl</code><dd>This structure inherits from <code>struct tree_decl_with_rtl</code>. It is
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used to represent <code>PARM_DECL</code>.
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<br><dt><code>struct tree_decl_with_vis</code><dd>This structure inherits from <code>struct tree_decl_with_rtl</code>. It
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contains fields necessary to store visibility information, as well as
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a section name and assembler name.
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<br><dt><code>struct tree_var_decl</code><dd>This structure inherits from <code>struct tree_decl_with_vis</code>. It is
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used to represent <code>VAR_DECL</code>.
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<br><dt><code>struct tree_function_decl</code><dd>This structure inherits from <code>struct tree_decl_with_vis</code>. It is
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used to represent <code>FUNCTION_DECL</code>.
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</dl>
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</body></html>
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