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imiter">(</span>Next_recipe_ordinal == <span class="Constant">1000</span><span class="Delimiter">);</span> <span class="Comment">//: 1000 onwards - reserved for tests, cleared between tests</span> <span class="SalientComment">//:: Depths for tracing</span> <span class="Comment">//:</span> <span class="Comment">//: 0 - unused</span> <span class="Comment">//: 1-100 - app-level trace statements in mu</span> <span class="Comment">//: 101-9989 - call-stack statements (mostly label run)</span> assert<span class="Delimiter">(</span>Initial_callstack_depth == <span class="Constant">101</span><span class="Delimiter">);</span> assert<span class="Delimiter">(</span>Max_callstack_depth == <span class="Constant">9989</span><span class="Delimiter">);</span> <span class="Comment">//: 9990-9999 - intra-instruction lines (mostly label mem)</span> <span class="SalientComment">//:: Summary of transforms and their dependencies</span> <span class="Comment">//: begin transforms</span> <span class="Comment">//: begin instruction inserting transforms</span> <span class="Comment">//: 52 insert fragments</span> <span class="Comment">//: ↳ 52.2 check fragments</span> <span class="Comment">//: ---</span> <span class="Comment">//: 53 rewrite 'stash' instructions</span> <span class="Comment">//: end instruction inserting transforms</span> <span class="Comment">//:</span> <span class="Comment">//: begin instruction modifying transforms</span> <span class="Comment">//: 56.2 check header ingredients</span> <span class="Comment">//: ↳ 56.4 fill in return ingredients</span> <span class="Comment">//: 48 check or set types by name</span> <span class="Comment">//:</span> <span class="Comment">//: begin type modifying transforms</span> <span class="Comment">//: 56.3 deduce types from header</span> <span class="Comment">//: ---</span> <span class="Comment">//: 30 check or set invalid containers</span> <span class="Comment">//: end type modifying transforms</span> <span class="Comment">//: ↱ 46 collect surrounding spaces</span> <span class="Comment">//: ↳ 42 transform names</span> <span class="Comment">//: ↳ 57 static dispatch</span> <span class="Comment">//: ---</span> <span class="Comment">//: 13 update instruction operation</span> <span class="Comment">//: 40 transform braces</span> <span class="Comment">//: 41 transform labels</span> <span class="Comment">//: end instruction modifying transforms</span> <span class="Comment">//: ↳ 60 check immutable ingredients</span> <span class="Comment">//:</span> <span class="Comment">//: begin checks</span> <span class="Comment">//: ---</span> <span class="Comment">//: 21 check instruction</span> <span class="Comment">//: ↳ 61 check indirect calls against header</span> <span class="Comment">//: ↳ 56 check calls against header</span> <span class="Comment">//: ↳ 43 transform 'new' to 'allocate'</span> <span class="Comment">//: 30 check merge calls</span> <span class="Comment">//: 36 check types of return instructions</span> <span class="Comment">//: 43 check default space</span> <span class="Comment">//: 56 check return instructions against header</span> <span class="Comment">//: end checks</span> <span class="Comment">//: end transforms</span> <span class="SalientComment">//:: Summary of type-checking in different phases</span> <span class="Comment">//: when dispatching instructions we accept first recipe that:</span> <span class="Comment">//: strictly matches all types</span> <span class="Comment">//: maps literal 0 or literal 1 to boolean for some ingredients</span> <span class="Comment">//: performs some other acceptable type conversion</span> <span class="Comment">//: literal 0 -&gt; address</span> <span class="Comment">//: literal -&gt; character</span> <span class="Comment">//: when checking instructions we ensure that types match, and that literals map to some scalar</span> <span class="Comment">//: (address can only map to literal 0)</span> <span class="Comment">//: (boolean can only map to literal 0 or literal 1)</span> <span class="Comment">//: (but conditionals can take any scalar)</span> <span class="Comment">//: at runtime we perform no checks</span> </pre> </body> </html> <!-- vim: set foldmethod=manual : -->