diff options
Diffstat (limited to 'html/011load.cc.html')
| -rw-r--r-- | html/011load.cc.html | 68 |
1 files changed, 43 insertions, 25 deletions
diff --git a/html/011load.cc.html b/html/011load.cc.html index febd4f72..7b459d47 100644 --- a/html/011load.cc.html +++ b/html/011load.cc.html @@ -35,6 +35,9 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color <body> <pre id='vimCodeElement'> <span class="Comment">//: Phase 1 of running mu code: load it from a textual representation.</span> +<span class="Comment">//:</span> +<span class="Comment">//: The process of running mu code:</span> +<span class="Comment">//: load -> transform -> run</span> <span class="Delimiter">:(scenarios load)</span> <span class="Comment">// use 'load' instead of 'run' in all scenarios in this layer</span> <span class="Delimiter">:(scenario first_recipe)</span> @@ -188,7 +191,15 @@ string next_word<span class="Delimiter">(</span>istream& in<span class="Deli ostringstream out<span class="Delimiter">;</span> slurp_word<span class="Delimiter">(</span>in<span class="Delimiter">,</span> out<span class="Delimiter">);</span> skip_whitespace_and_comments_but_not_newline<span class="Delimiter">(</span>in<span class="Delimiter">);</span> - <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span> + string result = out<span class="Delimiter">.</span>str<span class="Delimiter">();</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>result != <span class="Constant">"["</span> && ends_with<span class="Delimiter">(</span>result<span class="Delimiter">,</span> <span class="Constant">'['</span><span class="Delimiter">))</span> + raise << <span class="Constant">"insert a space before '[' in '"</span> << result << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Identifier">return</span> result<span class="Delimiter">;</span> +<span class="Delimiter">}</span> + +<span class="Normal">bool</span> ends_with<span class="Delimiter">(</span><span class="Normal">const</span> string& s<span class="Delimiter">,</span> <span class="Normal">const</span> <span class="Normal">char</span> c<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>s<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> + <span class="Identifier">return</span> *s<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> == c<span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(before "End Globals")</span> @@ -240,30 +251,6 @@ string next_word<span class="Delimiter">(</span>istream& in<span class="Deli <span class="Delimiter">}</span> <span class="Delimiter">}</span> -<span class="Comment">//: Warn if a recipe gets redefined, because large codebases can accidentally</span> -<span class="Comment">//: step on their own toes. But there'll be many occasions later where</span> -<span class="Comment">//: we'll want to disable the errors.</span> -<span class="Delimiter">:(before "End Globals")</span> -<span class="Normal">bool</span> Disable_redefine_checks = <span class="Constant">false</span><span class="Delimiter">;</span> -<span class="Delimiter">:(before "End Setup")</span> -Disable_redefine_checks = <span class="Constant">false</span><span class="Delimiter">;</span> -<span class="Delimiter">:(code)</span> -<span class="Normal">bool</span> should_check_for_redefine<span class="Delimiter">(</span><span class="Normal">const</span> string& recipe_name<span class="Delimiter">)</span> <span class="Delimiter">{</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>Disable_redefine_checks<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> - <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> -<span class="Delimiter">}</span> - -<span class="Comment">// for debugging</span> -<span class="Delimiter">:(code)</span> -<span class="Normal">void</span> show_rest_of_stream<span class="Delimiter">(</span>istream& in<span class="Delimiter">)</span> <span class="Delimiter">{</span> - cerr << <span class="Constant">'^'</span><span class="Delimiter">;</span> - <span class="Normal">char</span> c<span class="Delimiter">;</span> - <span class="Normal">while</span> <span class="Delimiter">(</span>in >> c<span class="Delimiter">)</span> - cerr << c<span class="Delimiter">;</span> - cerr << <span class="Constant">"$</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">;</span> - exit<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> -<span class="Delimiter">}</span> - <span class="Delimiter">:(scenario recipe_instead_of_def)</span> <span class="muRecipe">recipe</span> main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>copy <span class="Constant">23</span> @@ -389,6 +376,26 @@ Disable_redefine_checks = <span class="Constant">false</span><span class="Delimi cerr << <span class="Constant">"."</span><span class="Delimiter">;</span> <span class="Comment">// termination = success</span> <span class="Delimiter">}</span> +<span class="Delimiter">:(scenario warn_on_missing_space_before_bracket)</span> +<span class="Special">% Hide_errors = true;</span> +<span class="muRecipe">def</span> main[ + <span class="Constant">1</span>:number<span class="Special"> <- </span>copy <span class="Constant">23</span> +] +<span class="traceContains">+error: insert a space before '[' in 'main['</span> + +<span class="Comment">//: Warn if a recipe gets redefined, because large codebases can accidentally</span> +<span class="Comment">//: step on their own toes. But there'll be many occasions later where</span> +<span class="Comment">//: we'll want to disable the errors.</span> +<span class="Delimiter">:(before "End Globals")</span> +<span class="Normal">bool</span> Disable_redefine_checks = <span class="Constant">false</span><span class="Delimiter">;</span> +<span class="Delimiter">:(before "End Setup")</span> +Disable_redefine_checks = <span class="Constant">false</span><span class="Delimiter">;</span> +<span class="Delimiter">:(code)</span> +<span class="Normal">bool</span> should_check_for_redefine<span class="Delimiter">(</span><span class="Normal">const</span> string& recipe_name<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>Disable_redefine_checks<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> + <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> + <span class="Delimiter">:(scenario forbid_redefining_recipes)</span> <span class="Special">% Hide_errors = true;</span> <span class="muRecipe">def</span> main [ @@ -408,6 +415,17 @@ Disable_redefine_checks = <span class="Constant">false</span><span class="Delimi ] <span class="traceAbsent">-error: redefining recipe main</span> $error: <span class="Constant">0</span> + +<span class="Delimiter">:(code)</span> +<span class="Comment">// for debugging</span> +<span class="Normal">void</span> show_rest_of_stream<span class="Delimiter">(</span>istream& in<span class="Delimiter">)</span> <span class="Delimiter">{</span> + cerr << <span class="Constant">'^'</span><span class="Delimiter">;</span> + <span class="Normal">char</span> c<span class="Delimiter">;</span> + <span class="Normal">while</span> <span class="Delimiter">(</span>in >> c<span class="Delimiter">)</span> + cerr << c<span class="Delimiter">;</span> + cerr << <span class="Constant">"$</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">;</span> + exit<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> +<span class="Delimiter">}</span> </pre> </body> </html> |