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author | NAKAMURA Takumi <geek4civic@gmail.com> | 2011-04-23 00:30:22 +0000 |
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committer | NAKAMURA Takumi <geek4civic@gmail.com> | 2011-04-23 00:30:22 +0000 |
commit | f5af6ada3b0570db1afc19029cad8fb8320676ef (patch) | |
tree | 4df12ad7fe5c5902fd8601d164291a94fa078f10 /docs/tutorial/OCamlLangImpl5.html | |
parent | 624dc1d4abf26a3ccd474f85a39058a99a9053ca (diff) | |
download | external_llvm-f5af6ada3b0570db1afc19029cad8fb8320676ef.zip external_llvm-f5af6ada3b0570db1afc19029cad8fb8320676ef.tar.gz external_llvm-f5af6ada3b0570db1afc19029cad8fb8320676ef.tar.bz2 |
docs: Introduce cascading style <div> and <p> continued on <h[2-5]>.
<h2>Section Example</h2>
<div> <!-- h2+div is applied -->
<p>Section preamble.</p>
<h3>Subsection Example</h3>
<p> <!-- h3+p is applied -->
Subsection body
</p>
<!-- End of section body -->
</div>
FIXME: Care H5 better.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130040 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/tutorial/OCamlLangImpl5.html')
-rw-r--r-- | docs/tutorial/OCamlLangImpl5.html | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/docs/tutorial/OCamlLangImpl5.html b/docs/tutorial/OCamlLangImpl5.html index 59c1749..d356f12 100644 --- a/docs/tutorial/OCamlLangImpl5.html +++ b/docs/tutorial/OCamlLangImpl5.html @@ -55,7 +55,7 @@ User-defined Operators</li> <h2><a name="intro">Chapter 5 Introduction</a></h2> <!-- *********************************************************************** --> -<div class="doc_text"> +<div> <p>Welcome to Chapter 5 of the "<a href="index.html">Implementing a language with LLVM</a>" tutorial. Parts 1-4 described the implementation of the simple @@ -72,7 +72,7 @@ have an if/then/else expression plus a simple 'for' loop.</p> <h2><a name="ifthen">If/Then/Else</a></h2> <!-- *********************************************************************** --> -<div class="doc_text"> +<div> <p> Extending Kaleidoscope to support if/then/else is quite straightforward. It @@ -112,14 +112,12 @@ Since Kaleidoscope allows side-effects, this behavior is important to nail down. <p>Now that we know what we "want", lets break this down into its constituent pieces.</p> -</div> - <!-- ======================================================================= --> <h4><a name="iflexer">Lexer Extensions for If/Then/Else</a></h4> <!-- ======================================================================= --> -<div class="doc_text"> +<div> <p>The lexer extensions are straightforward. First we add new variants for the relevant tokens:</p> @@ -155,7 +153,7 @@ stuff:</p> <h4><a name="ifast">AST Extensions for If/Then/Else</a></h4> <!-- ======================================================================= --> -<div class="doc_text"> +<div> <p>To represent the new expression we add a new AST variant for it:</p> @@ -176,7 +174,7 @@ type expr = <h4><a name="ifparser">Parser Extensions for If/Then/Else</a></h4> <!-- ======================================================================= --> -<div class="doc_text"> +<div> <p>Now that we have the relevant tokens coming from the lexer and we have the AST node to build, our parsing logic is relatively straightforward. First we @@ -214,7 +212,7 @@ let rec parse_primary = parser <h4><a name="ifir">LLVM IR for If/Then/Else</a></h4> <!-- ======================================================================= --> -<div class="doc_text"> +<div> <p>Now that we have it parsing and building the AST, the final piece is adding LLVM code generation support. This is the most interesting part of the @@ -331,7 +329,7 @@ directly.</p> <h4><a name="ifcodegen">Code Generation for If/Then/Else</a></h4> <!-- ======================================================================= --> -<div class="doc_text"> +<div> <p>In order to generate code for this, we implement the <tt>Codegen</tt> method for <tt>IfExprAST</tt>:</p> @@ -488,11 +486,13 @@ another useful expression that is familiar from non-functional languages...</p> </div> +</div> + <!-- *********************************************************************** --> <h2><a name="for">'for' Loop Expression</a></h2> <!-- *********************************************************************** --> -<div class="doc_text"> +<div> <p>Now that we know how to add basic control flow constructs to the language, we have the tools to add more powerful things. Lets add something more @@ -521,13 +521,11 @@ variables, it will get more useful.</p> <p>As before, lets talk about the changes that we need to Kaleidoscope to support this.</p> -</div> - <!-- ======================================================================= --> <h4><a name="forlexer">Lexer Extensions for the 'for' Loop</a></h4> <!-- ======================================================================= --> -<div class="doc_text"> +<div> <p>The lexer extensions are the same sort of thing as for if/then/else:</p> @@ -557,7 +555,7 @@ support this.</p> <h4><a name="forast">AST Extensions for the 'for' Loop</a></h4> <!-- ======================================================================= --> -<div class="doc_text"> +<div> <p>The AST variant is just as simple. It basically boils down to capturing the variable name and the constituent expressions in the node.</p> @@ -577,7 +575,7 @@ type expr = <h4><a name="forparser">Parser Extensions for the 'for' Loop</a></h4> <!-- ======================================================================= --> -<div class="doc_text"> +<div> <p>The parser code is also fairly standard. The only interesting thing here is handling of the optional step value. The parser code handles it by checking to @@ -624,7 +622,7 @@ let rec parse_primary = parser <h4><a name="forir">LLVM IR for the 'for' Loop</a></h4> <!-- ======================================================================= --> -<div class="doc_text"> +<div> <p>Now we get to the good part: the LLVM IR we want to generate for this thing. With the simple example above, we get this LLVM IR (note that this dump is @@ -669,7 +667,7 @@ expressions, and some basic blocks. Lets see how this fits together.</p> <h4><a name="forcodegen">Code Generation for the 'for' Loop</a></h4> <!-- ======================================================================= --> -<div class="doc_text"> +<div> <p>The first part of Codegen is very simple: we just output the start expression for the loop value:</p> @@ -842,11 +840,13 @@ to our poor innocent language.</p> </div> +</div> + <!-- *********************************************************************** --> <h2><a name="code">Full Code Listing</a></h2> <!-- *********************************************************************** --> -<div class="doc_text"> +<div> <p> Here is the complete code listing for our running example, enhanced with the |