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<!-- Weave of 'Stages' generated by Inweb -->
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< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "../compiler.html" > Inter Modules< / a > < / li > < li > < a href = "index.html" > codegen< / a > < / li > < li > < a href = "index.html#1" > Chapter 1: Setting Up< / a > < / li > < li > < b > Stages< / b > < / li > < / ul > < / div >
< p class = "purpose" > To create the stages through which code generation proceeds.< / p >
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< ul class = "toc" > < li > < a href = "1-stg.html#SP1" > § 1. Stages< / a > < / li > < li > < a href = "1-stg.html#SP2" > § 2. Creation< / a > < / li > < / ul > < hr class = "tocbar" >
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< p class = "commentary firstcommentary" > < a id = "SP1" class = "paragraph-anchor" > < / a > < b > § 1. Stages. < / b > Each possible pipeline stage is represented by a single instance of the
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following. Some stages are invoked with an argument, often the filename to
write output to; others are not.
< / p >
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< pre class = "definitions code-font" > < span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > NO_STAGE_ARG< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 1< / span >
< span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > GENERAL_STAGE_ARG< / span >
< span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > FILE_STAGE_ARG< / span >
< span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > TEXT_OUT_STAGE_ARG< / span >
< span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > EXT_FILE_STAGE_ARG< / span >
< span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > EXT_TEXT_OUT_STAGE_ARG< / span >
< span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > TEMPLATE_FILE_STAGE_ARG< / span >
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< / pre >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > typedef< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > pipeline_stage< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > stage_name< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > (*< / span > < span class = "identifier-syntax" > execute< / span > < span class = "plain-syntax" > )(< / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > *);< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > stage_arg< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > one of the < / span > < span class = "extract" > < span class = "extract-syntax" > *_ARG< / span > < / span > < span class = "comment-syntax" > values above< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > takes_repository< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > CLASS_DEFINITION< / span >
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< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > pipeline_stage< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "reserved-syntax" > pipeline_stage< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > CodeGen::Stage::new< / span > < button class = "popup" onclick = "togglePopup('usagePopup1')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup1" > Usage of < span class = "code-font" > < span class = "function-syntax" > CodeGen::Stage::new< / span > < / span > :< br / > < a href = "1-stg.html#SP2" > § 2< / a > < br / > Architecture - < a href = "1-arc.html#SP2" > § 2< / a > < br / > Link Instructions - < a href = "1-li.html#SP2" > § 2< / a > < br / > Linker - < a href = "2-mt.html#SP1" > § 1< / a > < br / > Parse Linked Matter - < a href = "2-plm.html#SP1" > § 1< / a > < br / > Resolving Conditional Compilation - < a href = "2-rcc.html#SP1" > § 1< / a > < br / > Assimilate Linked Matter - < a href = "2-ass.html#SP1" > § 1< / a > < br / > Resolve External Symbols - < a href = "2-res.html#SP1" > § 1< / a > < br / > Inspect Plugs - < a href = "2-ip.html#SP1" > § 1< / a > < br / > Uniqueness - < a href = "2-unq.html#SP1" > § 1< / a > < br / > Reconcile Verbs - < a href = "2-rv.html#SP1" > § 1< / a > < br / > Eliminate Redundant Matter - < a href = "2-erm.html#SP1" > § 1< / a > < br / > Eliminate Redundant Labels - < a href = "2-erl.html#SP1" > § 1< / a > < br / > Eliminate Redundant Operations - < a href = "2-ero.html#SP1" > § 1< / a > < br / > Synoptic Utilities - < a href = "3-su.html#SP1" > § 1< / a > < br / > Code Generation - < a href = "4-cg.html#SP1" > § 1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > name< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > (*< / span > < span class = "identifier-syntax" > X< / span > < span class = "plain-syntax" > )(< / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > pipeline_step< / span > < span class = "plain-syntax" > *), < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > arg< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > tr< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > pipeline_stage< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > stage< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > CREATE< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > pipeline_stage< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > stage< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > stage_name< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Str::duplicate< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > name< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > stage< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > execute< / span > < span class = "plain-syntax" > = (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > (*)(< / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > *)) < / span > < span class = "identifier-syntax" > X< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > stage< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > stage_arg< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > arg< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > stage< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > takes_repository< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > tr< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > stage< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > The structure pipeline_stage is accessed in 1/ppl and here.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP2" class = "paragraph-anchor" > < / a > < b > § 2. Creation. < / b > To add a new pipeline stage, put the code for it into a new section in
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Chapter 2, and then add a call to its < span class = "extract" > < span class = "extract-syntax" > create_pipeline_stage< / span > < / span > routine
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to the routine below.
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > stages_made< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > CodeGen::Stage::make_stages< / span > < button class = "popup" onclick = "togglePopup('usagePopup2')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup2" > Usage of < span class = "code-font" > < span class = "function-syntax" > CodeGen::Stage::make_stages< / span > < / span > :< br / > Pipelines - < a href = "1-ppl.html#SP3" > § 3< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > stages_made< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > stages_made< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < a href = "1-stg.html#SP1" class = "function-link" > < span class = "function-syntax" > CodeGen::Stage::new< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "stop"< / span > < span class = "plain-syntax" > , < / span > < a href = "1-stg.html#SP3" class = "function-link" > < span class = "function-syntax" > CodeGen::Stage::run_stop_stage< / span > < / a > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > NO_STAGE_ARG< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "1-stg.html#SP1" class = "function-link" > < span class = "function-syntax" > CodeGen::Stage::new< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "wipe"< / span > < span class = "plain-syntax" > , < / span > < a href = "1-stg.html#SP3" class = "function-link" > < span class = "function-syntax" > CodeGen::Stage::run_wipe_stage< / span > < / a > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > NO_STAGE_ARG< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "1-stg.html#SP1" class = "function-link" > < span class = "function-syntax" > CodeGen::Stage::new< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "read"< / span > < span class = "plain-syntax" > , < / span > < a href = "1-stg.html#SP3" class = "function-link" > < span class = "function-syntax" > CodeGen::Stage::run_read_stage< / span > < / a > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > FILE_STAGE_ARG< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "1-stg.html#SP1" class = "function-link" > < span class = "function-syntax" > CodeGen::Stage::new< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "move"< / span > < span class = "plain-syntax" > , < / span > < a href = "1-stg.html#SP3" class = "function-link" > < span class = "function-syntax" > CodeGen::Stage::run_move_stage< / span > < / a > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > GENERAL_STAGE_ARG< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < a href = "4-cg.html#SP1" class = "function-link" > < span class = "function-syntax" > CodeGen::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
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< span class = "plain-syntax" > < / span > < a href = "1-arc.html#SP2" class = "function-link" > < span class = "function-syntax" > CodeGen::Architecture::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < a href = "1-li.html#SP2" class = "function-link" > < span class = "function-syntax" > CodeGen::LinkInstructions::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < a href = "2-ass.html#SP1" class = "function-link" > < span class = "function-syntax" > CodeGen::Assimilate::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < a href = "2-erm.html#SP1" class = "function-link" > < span class = "function-syntax" > CodeGen::Eliminate::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < a href = "2-res.html#SP1" class = "function-link" > < span class = "function-syntax" > CodeGen::Externals::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < a href = "2-ip.html#SP1" class = "function-link" > < span class = "function-syntax" > CodeGen::Inspection::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < a href = "2-erl.html#SP1" class = "function-link" > < span class = "function-syntax" > CodeGen::Labels::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
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< span class = "plain-syntax" > < / span > < a href = "2-ero.html#SP1" class = "function-link" > < span class = "function-syntax" > CodeGen::Operations::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
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< span class = "plain-syntax" > < / span > < a href = "3-su.html#SP1" class = "function-link" > < span class = "function-syntax" > Synoptic::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
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< span class = "plain-syntax" > < / span > < a href = "2-mt.html#SP1" class = "function-link" > < span class = "function-syntax" > CodeGen::MergeTemplate::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < a href = "2-plm.html#SP1" class = "function-link" > < span class = "function-syntax" > CodeGen::PLM::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < a href = "2-rcc.html#SP1" class = "function-link" > < span class = "function-syntax" > CodeGen::RCC::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < a href = "2-rv.html#SP1" class = "function-link" > < span class = "function-syntax" > CodeGen::ReconcileVerbs::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < a href = "2-unq.html#SP1" class = "function-link" > < span class = "function-syntax" > CodeGen::Uniqueness::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP3" class = "paragraph-anchor" > < / a > < b > § 3. < / b > The "stop" stage is special, in that it always returns false, thus stopping
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the pipeline:
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > CodeGen::Stage::run_stop_stage< / span > < button class = "popup" onclick = "togglePopup('usagePopup3')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup3" > Usage of < span class = "code-font" > < span class = "function-syntax" > CodeGen::Stage::run_stop_stage< / span > < / span > :< br / > < a href = "1-stg.html#SP2" > § 2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > pipeline_step< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > CodeGen::Stage::run_wipe_stage< / span > < button class = "popup" onclick = "togglePopup('usagePopup4')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup4" > Usage of < span class = "code-font" > < span class = "function-syntax" > CodeGen::Stage::run_wipe_stage< / span > < / span > :< br / > < a href = "1-stg.html#SP2" > § 2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > pipeline_step< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Inter::Warehouse::wipe< / span > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > CodeGen::Stage::run_read_stage< / span > < button class = "popup" onclick = "togglePopup('usagePopup5')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup5" > Usage of < span class = "code-font" > < span class = "function-syntax" > CodeGen::Stage::run_read_stage< / span > < / span > :< br / > < a href = "1-stg.html#SP2" > § 2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > pipeline_step< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > filename< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > F< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > parsed_filename< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Inter::Binary::test_file< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > F< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > Inter::Binary::read< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > repository< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > F< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Inter::Textual::read< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > repository< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > F< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > CodeGen::Stage::run_move_stage< / span > < button class = "popup" onclick = "togglePopup('usagePopup6')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup6" > Usage of < span class = "code-font" > < span class = "function-syntax" > CodeGen::Stage::run_move_stage< / span > < / span > :< br / > < a href = "1-stg.html#SP2" > § 2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > pipeline_step< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > match_results< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Regexp::create_mr< / span > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inter_package< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > pack< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Regexp::match< / span > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > step_argument< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "(%d):(%c+)"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > from_rep< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Str::atoi< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "identifier-syntax" > exp< / span > < span class = "plain-syntax" > [0], < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > pipeline< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > repositories< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > from_rep< / span > < span class = "plain-syntax" > ] == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "no such repository"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pack< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Inter::Packages::by_url< / span > < span class = "plain-syntax" > (< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > pipeline< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > repositories< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > from_rep< / span > < span class = "plain-syntax" > ], < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "identifier-syntax" > exp< / span > < span class = "plain-syntax" > [1]);< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Regexp::dispose_of< / span > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pack< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "not a package"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Inter::Transmigration::move< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pack< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > Site::main_package< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > repository< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< nav role = "progress" > < div class = "progresscontainer" >
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< ul class = "progressbar" > < li class = "progressprev" > < a href = "1-cm.html" > ❮ < / a > < / li > < li class = "progresscurrentchapter" > 1< / li > < li class = "progresssection" > < a href = "1-cm.html" > cm< / a > < / li > < li class = "progresscurrent" > stg< / li > < li class = "progresssection" > < a href = "1-arc.html" > arc< / a > < / li > < li class = "progresssection" > < a href = "1-li.html" > li< / a > < / li > < li class = "progresssection" > < a href = "1-ppl.html" > ppl< / a > < / li > < li class = "progresschapter" > < a href = "2-mt.html" > 2< / a > < / li > < li class = "progresschapter" > < a href = "3-sh.html" > 3< / a > < / li > < li class = "progresschapter" > < a href = "4-cg.html" > 4< / a > < / li > < li class = "progresschapter" > < a href = "5-ft.html" > 5< / a > < / li > < li class = "progressnext" > < a href = "1-arc.html" > ❯ < / a > < / li > < / ul > < / div >
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< / nav > <!-- End of weave -->
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< / main >
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< / body >
< / html >