mirror of
https://github.com/jashkenas/coffeescript.git
synced 2022-11-09 12:23:24 -05:00
getting ready for a 0.7.0. cleanups and doc revisions, not quite there yet.
This commit is contained in:
Jeremy Ashkenas
parent
08ab4abd43
commit
1f7af35368
52 changed files with 1367 additions and 5688 deletions
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@ -12,10 +12,10 @@ it wraps.</p> </td> <td class="code"> <div
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<span class="p">[</span><span class="nx">@parent</span><span class="p">,</span> <span class="nx">@expressions</span><span class="p">,</span> <span class="nx">@method</span><span class="p">]</span><span class="o">:</span> <span class="p">[</span><span class="nx">parent</span><span class="p">,</span> <span class="nx">expressions</span><span class="p">,</span> <span class="nx">method</span><span class="p">]</span>
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<span class="vi">@variables: </span><span class="p">{}</span>
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<span class="k">if</span> <span class="nx">@parent</span>
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<span class="vi">@temp_var: </span><span class="nx">@parent</span><span class="p">.</span><span class="nx">temp_var</span>
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<span class="vi">@tempVar: </span><span class="nx">@parent</span><span class="p">.</span><span class="nx">tempVar</span>
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<span class="k">else</span>
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<span class="nv">Scope.root: </span><span class="k">this</span>
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<span class="vi">@temp_var: </span><span class="s1">'_a'</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-5">#</a> </div> <p>Look up a variable name in lexical scope, and declare it if it does not
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<span class="vi">@tempVar: </span><span class="s1">'_a'</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-5">#</a> </div> <p>Look up a variable name in lexical scope, and declare it if it does not
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already exist.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">find: </span><span class="p">(</span><span class="nx">name</span><span class="p">)</span> <span class="o">-></span>
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<span class="k">return</span> <span class="kc">true</span> <span class="k">if</span> <span class="nx">@check</span> <span class="nx">name</span>
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<span class="nx">@variables</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span><span class="o">:</span> <span class="s1">'var'</span>
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@ -25,24 +25,24 @@ already exist.</p> </td> <td class="code">
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<span class="k">return</span> <span class="kc">false</span></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-7">#</a> </div> <p>Reserve a variable name as originating from a function parameter for this
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scope. No <code>var</code> required for internal references.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">parameter: </span><span class="p">(</span><span class="nx">name</span><span class="p">)</span> <span class="o">-></span>
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<span class="nx">@variables</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span><span class="o">:</span> <span class="s1">'param'</span></pre></div> </td> </tr> <tr id="section-8"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-8">#</a> </div> <p>Just check to see if a variable has already been declared, without reserving.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">check: </span><span class="p">(</span><span class="nx">name</span><span class="p">)</span> <span class="o">-></span>
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<span class="k">return</span> <span class="kc">true</span> <span class="k">if</span> <span class="nx">@variables</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span>
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<span class="k">return</span> <span class="kc">true</span> <span class="k">if</span> <span class="nx">@variables</span><span class="p">.</span><span class="nx">hasOwnProperty</span> <span class="nx">name</span>
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<span class="o">!!</span><span class="p">(</span><span class="nx">@parent</span> <span class="o">and</span> <span class="nx">@parent</span><span class="p">.</span><span class="nx">check</span><span class="p">(</span><span class="nx">name</span><span class="p">))</span></pre></div> </td> </tr> <tr id="section-9"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-9">#</a> </div> <p>If we need to store an intermediate result, find an available name for a
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compiler-generated variable. <code>_a</code>, <code>_b</code>, and so on...</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">free_variable: </span><span class="o">-></span>
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<span class="k">while</span> <span class="nx">@check</span> <span class="nx">@temp_var</span>
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<span class="nv">ordinal: </span><span class="mi">1</span> <span class="o">+</span> <span class="nb">parseInt</span> <span class="nx">@temp_var</span><span class="p">.</span><span class="nx">substr</span><span class="p">(</span><span class="mi">1</span><span class="p">),</span> <span class="mi">36</span>
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<span class="vi">@temp_var: </span><span class="s1">'_'</span> <span class="o">+</span> <span class="nx">ordinal</span><span class="p">.</span><span class="nx">toString</span><span class="p">(</span><span class="mi">36</span><span class="p">).</span><span class="nx">replace</span><span class="p">(</span><span class="sr">/\d/g</span><span class="p">,</span> <span class="s1">'a'</span><span class="p">)</span>
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<span class="nx">@variables</span><span class="p">[</span><span class="nx">@temp_var</span><span class="p">]</span><span class="o">:</span> <span class="s1">'var'</span>
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<span class="nx">@temp_var</span></pre></div> </td> </tr> <tr id="section-10"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-10">#</a> </div> <p>Ensure that an assignment is made at the top of this scope
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compiler-generated variable. <code>_a</code>, <code>_b</code>, and so on...</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">freeVariable: </span><span class="o">-></span>
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<span class="k">while</span> <span class="nx">@check</span> <span class="nx">@tempVar</span>
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<span class="nv">ordinal: </span><span class="mi">1</span> <span class="o">+</span> <span class="nb">parseInt</span> <span class="nx">@tempVar</span><span class="p">.</span><span class="nx">substr</span><span class="p">(</span><span class="mi">1</span><span class="p">),</span> <span class="mi">36</span>
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<span class="vi">@tempVar: </span><span class="s1">'_'</span> <span class="o">+</span> <span class="nx">ordinal</span><span class="p">.</span><span class="nx">toString</span><span class="p">(</span><span class="mi">36</span><span class="p">).</span><span class="nx">replace</span><span class="p">(</span><span class="sr">/\d/g</span><span class="p">,</span> <span class="s1">'a'</span><span class="p">)</span>
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<span class="nx">@variables</span><span class="p">[</span><span class="nx">@tempVar</span><span class="p">]</span><span class="o">:</span> <span class="s1">'var'</span>
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<span class="nx">@tempVar</span></pre></div> </td> </tr> <tr id="section-10"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-10">#</a> </div> <p>Ensure that an assignment is made at the top of this scope
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(or at the top-level scope, if requested).</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">assign: </span><span class="p">(</span><span class="nx">name</span><span class="p">,</span> <span class="nx">value</span><span class="p">)</span> <span class="o">-></span>
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<span class="nx">@variables</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span><span class="o">:</span> <span class="p">{</span><span class="nv">value: </span><span class="nx">value</span><span class="p">,</span> <span class="nv">assigned: </span><span class="kc">true</span><span class="p">}</span></pre></div> </td> </tr> <tr id="section-11"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-11">#</a> </div> <p>Does this scope reference any variables that need to be declared in the
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given function body?</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">has_declarations: </span><span class="p">(</span><span class="nx">body</span><span class="p">)</span> <span class="o">-></span>
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given function body?</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">hasDeclarations: </span><span class="p">(</span><span class="nx">body</span><span class="p">)</span> <span class="o">-></span>
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<span class="nx">body</span> <span class="o">is</span> <span class="nx">@expressions</span> <span class="o">and</span> <span class="nx">@any</span> <span class="p">(</span><span class="nx">k</span><span class="p">,</span> <span class="nx">val</span><span class="p">)</span> <span class="o">-></span> <span class="nx">val</span> <span class="o">is</span> <span class="s1">'var'</span></pre></div> </td> </tr> <tr id="section-12"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-12">#</a> </div> <p>Does this scope reference any assignments that need to be declared at the
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top of the given function body?</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">has_assignments: </span><span class="p">(</span><span class="nx">body</span><span class="p">)</span> <span class="o">-></span>
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<span class="nx">body</span> <span class="o">is</span> <span class="nx">@expressions</span> <span class="o">and</span> <span class="nx">@any</span> <span class="p">(</span><span class="nx">k</span><span class="p">,</span> <span class="nx">val</span><span class="p">)</span> <span class="o">-></span> <span class="nx">val</span><span class="p">.</span><span class="nx">assigned</span></pre></div> </td> </tr> <tr id="section-13"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-13">#</a> </div> <p>Return the list of variables first declared in this scope.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">declared_variables: </span><span class="o">-></span>
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top of the given function body?</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">hasAssignments: </span><span class="p">(</span><span class="nx">body</span><span class="p">)</span> <span class="o">-></span>
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<span class="nx">body</span> <span class="o">is</span> <span class="nx">@expressions</span> <span class="o">and</span> <span class="nx">@any</span> <span class="p">(</span><span class="nx">k</span><span class="p">,</span> <span class="nx">val</span><span class="p">)</span> <span class="o">-></span> <span class="nx">val</span><span class="p">.</span><span class="nx">assigned</span></pre></div> </td> </tr> <tr id="section-13"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-13">#</a> </div> <p>Return the list of variables first declared in this scope.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">declaredVariables: </span><span class="o">-></span>
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<span class="p">(</span><span class="nx">key</span> <span class="k">for</span> <span class="nx">key</span><span class="p">,</span> <span class="nx">val</span> <span class="k">of</span> <span class="nx">@variables</span> <span class="k">when</span> <span class="nx">val</span> <span class="o">is</span> <span class="s1">'var'</span><span class="p">).</span><span class="nx">sort</span><span class="p">()</span></pre></div> </td> </tr> <tr id="section-14"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-14">#</a> </div> <p>Return the list of assignments that are supposed to be made at the top
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of this scope.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">assigned_variables: </span><span class="o">-></span>
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<span class="s2">"$key = $val.value"</span> <span class="k">for</span> <span class="nx">key</span><span class="p">,</span> <span class="nx">val</span> <span class="k">of</span> <span class="nx">@variables</span> <span class="k">when</span> <span class="nx">val</span><span class="p">.</span><span class="nx">assigned</span></pre></div> </td> </tr> <tr id="section-15"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-15">#</a> </div> <p>Compile the JavaScript for all of the variable declarations in this scope.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">compiled_declarations: </span><span class="o">-></span>
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<span class="nx">@declared_variables</span><span class="p">().</span><span class="nx">join</span> <span class="s1">', '</span></pre></div> </td> </tr> <tr id="section-16"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-16">#</a> </div> <p>Compile the JavaScript for all of the variable assignments in this scope.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">compiled_assignments: </span><span class="o">-></span>
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<span class="nx">@assigned_variables</span><span class="p">().</span><span class="nx">join</span> <span class="s1">', '</span>
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of this scope.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">assignedVariables: </span><span class="o">-></span>
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<span class="s2">"$key = $val.value"</span> <span class="k">for</span> <span class="nx">key</span><span class="p">,</span> <span class="nx">val</span> <span class="k">of</span> <span class="nx">@variables</span> <span class="k">when</span> <span class="nx">val</span><span class="p">.</span><span class="nx">assigned</span></pre></div> </td> </tr> <tr id="section-15"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-15">#</a> </div> <p>Compile the JavaScript for all of the variable declarations in this scope.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">compiledDeclarations: </span><span class="o">-></span>
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<span class="nx">@declaredVariables</span><span class="p">().</span><span class="nx">join</span> <span class="s1">', '</span></pre></div> </td> </tr> <tr id="section-16"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-16">#</a> </div> <p>Compile the JavaScript for all of the variable assignments in this scope.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">compiledAssignments: </span><span class="o">-></span>
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<span class="nx">@assignedVariables</span><span class="p">().</span><span class="nx">join</span> <span class="s1">', '</span>
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</pre></div> </td> </tr> </tbody> </table> </div> </body> </html>
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