diff options
| author | Kartik K. Agaram <vc@akkartik.com> | 2016-04-25 22:27:19 -0700 |
|---|---|---|
| committer | Kartik K. Agaram <vc@akkartik.com> | 2016-04-25 22:27:19 -0700 |
| commit | 32b8fac2799ac7cec613e84a3eb9c009141b6a3a (patch) | |
| tree | 11f56c1a235abf7b626ea8983fff3d2edb1fcf98 /html/071rewrite_stash.cc.html | |
| parent | 224972ee9871fcb06ee285fa5f3d9528c034d414 (diff) | |
| download | mu-32b8fac2799ac7cec613e84a3eb9c009141b6a3a.tar.gz | |
2866
Diffstat (limited to 'html/071rewrite_stash.cc.html')
| -rw-r--r-- | html/071rewrite_stash.cc.html | 37 |
1 files changed, 28 insertions, 9 deletions
diff --git a/html/071rewrite_stash.cc.html b/html/071rewrite_stash.cc.html index 689d8a1b..76a10045 100644 --- a/html/071rewrite_stash.cc.html +++ b/html/071rewrite_stash.cc.html @@ -42,8 +42,8 @@ recipe main [ <span class="Normal">n</span>:number<span class="Special"> <- </span>copy <span class="Constant">34</span> stash n ] -<span class="traceContains">+transform: {stash_2_0: ("address" "shared" "array" "character")} <- to-text-line {n: "number"}</span> -<span class="traceContains">+transform: stash {stash_2_0: ("address" "shared" "array" "character")}</span> +<span class="traceContains">+transform: {stash_2_0: ("address" "array" "character")} <- to-text-line {n: "number"}</span> +<span class="traceContains">+transform: stash {stash_2_0: ("address" "array" "character")}</span> <span class="Comment">//: special case: rewrite attempts to stash contents of most arrays to avoid</span> <span class="Comment">//: passing addresses around</span> @@ -51,11 +51,19 @@ recipe main [ <span class="Delimiter">:(scenario rewrite_stashes_of_arrays)</span> recipe main [ local-scope - <span class="Normal">n</span>:address:shared:array:number<span class="Special"> <- </span><span class="Normal">new</span> number:type<span class="Delimiter">,</span> <span class="Constant">3</span> + <span class="Normal">n</span>:address:array:number<span class="Special"> <- </span><span class="Normal">new</span> number:type<span class="Delimiter">,</span> <span class="Constant">3</span> stash *n ] -<span class="traceContains">+transform: {stash_2_0: ("address" "shared" "array" "character")} <- array-to-text-line {n: ("address" "shared" "array" "number")}</span> -<span class="traceContains">+transform: stash {stash_2_0: ("address" "shared" "array" "character")}</span> +<span class="traceContains">+transform: {stash_2_0: ("address" "array" "character")} <- array-to-text-line {n: ("address" "array" "number")}</span> +<span class="traceContains">+transform: stash {stash_2_0: ("address" "array" "character")}</span> + +<span class="Delimiter">:(scenario ignore_stashes_of_static_arrays)</span> +recipe main [ + local-scope + <span class="Normal">n</span>:array:number:<span class="Constant">3</span><span class="Special"> <- </span>create-array + stash n +] +<span class="traceContains">+transform: stash {n: ("array" "number" "3")}</span> <span class="Delimiter">:(before "End Instruction Inserting/Deleting Transforms")</span> Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>rewrite_stashes_to_text<span class="Delimiter">);</span> @@ -76,11 +84,16 @@ Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</spa instruction& inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"stash"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> - assert<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">).</span>type<span class="Delimiter">);</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">).</span>type<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Comment">// error; will be handled elsewhere</span> + <span class="Identifier">continue</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> + <span class="Comment">// don't try to extend static arrays</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>is_static_array<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> instruction def<span class="Delimiter">;</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>is_address_of_array<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)))</span> <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>is_lookup_of_address_of_array<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)))</span> <span class="Delimiter">{</span> def<span class="Delimiter">.</span>name = <span class="Constant">"array-to-text-line"</span><span class="Delimiter">;</span> reagent tmp = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span> drop_one_lookup<span class="Delimiter">(</span>tmp<span class="Delimiter">);</span> @@ -91,7 +104,7 @@ Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</spa def<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">));</span> <span class="Delimiter">}</span> ostringstream ingredient_name<span class="Delimiter">;</span> - ingredient_name << <span class="Constant">"stash_"</span> << i << <span class="Constant">'_'</span> << j << <span class="Constant">":address:shared:array:character"</span><span class="Delimiter">;</span> + ingredient_name << <span class="Constant">"stash_"</span> << i << <span class="Constant">'_'</span> << j << <span class="Constant">":address:array:character"</span><span class="Delimiter">;</span> def<span class="Delimiter">.</span>products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span>ingredient_name<span class="Delimiter">.</span>str<span class="Delimiter">()));</span> trace<span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << to_string<span class="Delimiter">(</span>def<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> new_instructions<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>def<span class="Delimiter">);</span> @@ -105,11 +118,17 @@ Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</spa caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>swap<span class="Delimiter">(</span>new_instructions<span class="Delimiter">);</span> <span class="Delimiter">}</span> -<span class="Normal">bool</span> is_address_of_array<span class="Delimiter">(</span>reagent x<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span class="Normal">bool</span> is_lookup_of_address_of_array<span class="Delimiter">(</span>reagent x<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>name != <span class="Constant">"address"</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>x<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> <span class="Identifier">return</span> x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>name == <span class="Constant">"array"</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> +<span class="Normal">bool</span> is_static_array<span class="Delimiter">(</span>reagent x<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Comment">// no canonize_type()</span> + <span class="Identifier">return</span> x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>name == <span class="Constant">"array"</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> + <span class="Comment">//: Make sure that the new system is strictly better than just the 'stash'</span> <span class="Comment">//: primitive by itself.</span> |