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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" > pipeline< / a > < / li > < li > < a href = "index.html#2" > Chapter 2: Pipelines< / a > < / li > < li > < b > Parsing Pipelines< / b > < / li > < / ul > < / div >
< p class = "purpose" > To parse pipelines from text files.< / p >
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< ul class = "toc" > < li > < a href = "2-pp.html#SP1" > § 1. How pipelines are stored< / a > < / li > < li > < a href = "2-pp.html#SP5" > § 5. Parsing< / a > < / li > < li > < a href = "2-pp.html#SP10" > § 10. Stages< / a > < / li > < li > < a href = "2-pp.html#SP11" > § 11. Starting a variables dictionary< / a > < / li > < li > < a href = "2-pp.html#SP12" > § 12. Back to text< / a > < / li > < / ul > < hr class = "tocbar" >
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< p class = "commentary firstcommentary" > < a id = "SP1" class = "paragraph-anchor" > < / a > < b > § 1. How pipelines are stored. < / b > An < a href = "2-pp.html#SP1" class = "internal" > inter_pipeline< / a > is a linked list of //pipeline_step//s, together with
some associated storage used when it runs: this is for storing variables and
pointers to trees being worked on.
< / p >
< 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" > inter_pipeline< / 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" > linked_list< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > steps< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > of < / span > < span class = "extract" > < span class = "extract-syntax" > pipeline_step< / span > < / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > dictionary< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > variables< / 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" > erroneous< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > a syntax error occurred when parsing this< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > pipeline_ephemera< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ephemera< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > temporary storage when running< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > linked_list< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > search_list< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > used when parsing only< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pathname< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > local< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > run_depth< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > CLASS_DEFINITION< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > inter_pipeline< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "reserved-syntax" > inter_pipeline< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > ParsingPipelines::new_pipeline< / 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" > ParsingPipelines::new_pipeline< / span > < / span > :< br / > < a href = "2-pp.html#SP5" > § 5< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > dictionary< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > D< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > linked_list< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > pathname< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > local< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > inter_pipeline< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > CREATE< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > inter_pipeline< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > variables< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > D< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > steps< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NEW_LINKED_LIST< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > pipeline_step< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > erroneous< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > search_list< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > local< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > local< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > run_depth< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < a href = "2-rp.html#SP1" class = "function-link" > < span class = "function-syntax" > RunningPipelines::clean_pipeline< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > S< / 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" > S< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< ul class = "endnotetexts" > < li > The structure inter_pipeline is accessed in 2/rp, 2/pe, 2/ns, 2/rmwss, 3/ps, 3/rccs, 3/css, 4/lbks, 4/res, 4/ip, 4/dic, 4/unq, 4/rv, 5/su, 6/erm, 6/erl, 6/ero and here.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP2" class = "paragraph-anchor" > < / a > < b > § 2. < / b > A < a href = "2-pp.html#SP2" class = "internal" > pipeline_step< / a > is really only a choice of < a href = "2-pp.html#SP3" class = "internal" > pipeline_stage< / a > , but comes
along with a wide variety of options and parameter settings, so that it looks
much more complicated than it actually is.
< / p >
< 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_step< / span > < span class = "plain-syntax" > {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > inter_pipeline< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > pipeline< / span > < span class = "plain-syntax" > ;< / span >
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< 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 = "identifier-syntax" > step_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" > step_argument< / 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" > code_generator< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > generator_argument< / 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" > take_generator_argument_from_VM< / 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" > package_URL_argument< / 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" > repository_argument< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > pipeline_step_ephemera< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ephemera< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > temporary storage when running< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > CLASS_DEFINITION< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > pipeline_step< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "reserved-syntax" > pipeline_step< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > ParsingPipelines::new_step< / 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" > ParsingPipelines::new_step< / span > < / span > :< br / > < a href = "2-pp.html#SP8" > § 8< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > inter_pipeline< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > pipeline< / span > < span class = "plain-syntax" > ) {< / span >
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< 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 = "identifier-syntax" > CREATE< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > pipeline_step< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > pipeline< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > pipeline< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > step_stage< / 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" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > step_argument< / 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" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > package_URL_argument< / 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" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > repository_argument< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > generator_argument< / 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" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > take_generator_argument_from_VM< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < a href = "2-rp.html#SP2" class = "function-link" > < span class = "function-syntax" > RunningPipelines::clean_step< / span > < / a > < 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" > step< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< ul class = "endnotetexts" > < li > The structure pipeline_step is accessed in 2/rp, 2/pe, 2/ns, 2/rmwss, 3/ps, 3/rccs, 3/css, 4/lbks, 4/res, 4/ip, 4/dic, 4/unq, 4/rv, 5/su, 6/erm, 6/erl, 6/ero and here.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP3" class = "paragraph-anchor" > < / a > < b > § 3. < / b > And a < a href = "2-pp.html#SP3" class = "internal" > pipeline_stage< / a > is simply a choice of what to do. For example,
< span class = "extract" > < span class = "extract-syntax" > eliminate-redundant-labels< / span > < / span > is a pipeline stage. This would need to be
combined with details of what tree to apply to in order to become a step.
< / p >
< 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" > OPTIONAL_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 >
< / pre >
< 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 >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > CLASS_DEFINITION< / span >
< 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" > ParsingPipelines::new_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" > ParsingPipelines::new_stage< / span > < / span > :< br / > New Stage - < a href = "2-ns.html#SP1" > § 1< / a > < br / > Read, Move, Wipe, Stop Stages - < a href = "2-rmwss.html#SP1" > § 1< / a > < br / > Parsing Stages - < a href = "3-ps.html#SP1" > § 1< / a > < br / > Resolve Conditional Compilation Stage - < a href = "3-rccs.html#SP1" > § 1< / a > < br / > Compile Splats Stage - < a href = "3-css.html#SP1" > § 1< / a > < br / > Load Binary Kits Stage - < a href = "4-lbks.html#SP1" > § 1< / a > < br / > Resolve External Symbols - < a href = "4-res.html#SP1" > § 1< / a > < br / > Inspect Plugs - < a href = "4-ip.html#SP1" > § 1< / a > < br / > Detect Indirect Calls - < a href = "4-dic.html#SP1" > § 1< / a > < br / > Uniqueness - < a href = "4-unq.html#SP1" > § 1< / a > < br / > Reconcile Verbs - < a href = "4-rv.html#SP1" > § 1< / a > < br / > Synoptic Utilities - < a href = "5-su.html#SP1" > § 1< / a > < br / > Eliminate Redundant Matter - < a href = "6-erm.html#SP1" > § 1< / a > < br / > Eliminate Redundant Labels - < a href = "6-erl.html#SP1" > § 1< / a > < br / > Eliminate Redundant Operations - < a href = "6-ero.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 >
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< 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 >
< 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 >
< / pre >
< ul class = "endnotetexts" > < li > The structure pipeline_stage is accessed in 2/rp and here.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP4" class = "paragraph-anchor" > < / a > < b > § 4. < / b > Lumping some of those argument types together:
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ParsingPipelines::will_read_a_file< / 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" > ParsingPipelines::will_read_a_file< / span > < / span > :< br / > Running Pipelines - < a href = "2-rp.html#SP3_1_2" > § 3.1.2< / 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" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > step_stage< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > stage_arg< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > FILE_STAGE_ARG< / 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" > step_stage< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > stage_arg< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > EXT_FILE_STAGE_ARG< / 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" > 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" > ParsingPipelines::will_write_a_file< / 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" > ParsingPipelines::will_write_a_file< / span > < / span > :< br / > Running Pipelines - < a href = "2-rp.html#SP3_1_2" > § 3.1.2< / 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" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > step_stage< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > stage_arg< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > TEXT_OUT_STAGE_ARG< / 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" > step_stage< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > stage_arg< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > OPTIONAL_TEXT_OUT_STAGE_ARG< / 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" > step_stage< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > stage_arg< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > EXT_TEXT_OUT_STAGE_ARG< / 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" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
< p class = "commentary firstcommentary" > < a id = "SP5" class = "paragraph-anchor" > < / a > < b > § 5. Parsing. < / b > All pipelines originate as textual descriptions, either from a text file or
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supplied on the command line. Here, we turn such a description — in effect
a program for a very simple programming language — into an < a href = "2-pp.html#SP1" class = "internal" > inter_pipeline< / a > .
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > inter_pipeline< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > ParsingPipelines::from_file< / 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" > dictionary< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > D< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > linked_list< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > search_list< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > inter_pipeline< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > = < / span > < a href = "2-pp.html#SP1" class = "function-link" > < span class = "function-syntax" > ParsingPipelines::new_pipeline< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > D< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > search_list< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > Filenames::up< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > F< / span > < span class = "plain-syntax" > ));< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TextFiles::read< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > F< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "can't open inter pipeline file"< / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > , < / span > < a href = "2-pp.html#SP5" class = "function-link" > < span class = "function-syntax" > ParsingPipelines::scan_line< / span > < / a > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > , (< / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > *) < / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > erroneous< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / 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" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ParsingPipelines::scan_line< / 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" > ParsingPipelines::scan_line< / span > < / span > :< br / > < a href = "2-pp.html#SP7" > § 7< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > text_file_position< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tfp< / 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 >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > inter_pipeline< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > = (< / span > < span class = "reserved-syntax" > inter_pipeline< / span > < span class = "plain-syntax" > *) < / span > < span class = "identifier-syntax" > X< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < a href = "2-pp.html#SP6" class = "function-link" > < span class = "function-syntax" > ParsingPipelines::parse_line< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > inter_pipeline< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > ParsingPipelines::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > instructions< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > dictionary< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > D< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > inter_pipeline< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > = < / span > < a href = "2-pp.html#SP1" class = "function-link" > < span class = "function-syntax" > ParsingPipelines::new_pipeline< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > D< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < a href = "2-pp.html#SP6" class = "function-link" > < span class = "function-syntax" > ParsingPipelines::parse_line< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > instructions< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > erroneous< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / 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" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP6" class = "paragraph-anchor" > < / a > < b > § 6. < / b > Either way, then, a sequence of 1 or more textual lines of description is
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passed to the following. It breaks down the line into 1 or more instructions,
divided by commas.
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< / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ParsingPipelines::parse_line< / span > < button class = "popup" onclick = "togglePopup('usagePopup7')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup7" > Usage of < span class = "code-font" > < span class = "function-syntax" > ParsingPipelines::parse_line< / span > < / span > :< br / > < a href = "2-pp.html#SP5" > § 5< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > inter_pipeline< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > pipeline< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > instructions< / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_file_position< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TEMPORARY_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOOP_THROUGH_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > instructions< / 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" > Characters::is_babel_whitespace< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::get< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > )))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PUT_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "character-syntax" > ' '< / 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" > PUT_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > Str::get< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > P< / 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 = "reserved-syntax" > while< / 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" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > " *(%c+?) *,+ *(%c*?) *"< / span > < span class = "plain-syntax" > )) {< / span >
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< span class = "plain-syntax" > < / span > < a href = "2-pp.html#SP7" class = "function-link" > < span class = "function-syntax" > ParsingPipelines::parse_instruction< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pipeline< / 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 = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Str::copy< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / 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 >
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< 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" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > " *(%c+?) *"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < a href = "2-pp.html#SP7" class = "function-link" > < span class = "function-syntax" > ParsingPipelines::parse_instruction< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pipeline< / 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 = "identifier-syntax" > tfp< / 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 = "identifier-syntax" > DISCARD_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP7" class = "paragraph-anchor" > < / a > < b > § 7. < / b > Instructions are mostly steps, but:
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< / p >
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< ul class = "items" > < li > (a) A line beginning with an < span class = "extract" > < span class = "extract-syntax" > !< / span > < / span > is a comment,
< / li > < li > (b) < span class = "extract" > < span class = "extract-syntax" > run pipeline X< / span > < / span > means to incorporate pipeline < span class = "extract" > < span class = "extract-syntax" > X< / span > < / span > here.
< / li > < / ul >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ParsingPipelines::parse_instruction< / span > < button class = "popup" onclick = "togglePopup('usagePopup8')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup8" > Usage of < span class = "code-font" > < span class = "function-syntax" > ParsingPipelines::parse_instruction< / span > < / span > :< br / > < a href = "2-pp.html#SP6" > § 6< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > inter_pipeline< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > pipeline< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_file_position< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tfp< / 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 = "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" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "!%c*"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / 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" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "run pipeline (%c*)"< / span > < span class = "plain-syntax" > )) {< / span >
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< 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" > NULL< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > #< / span > < span class = "identifier-syntax" > ifdef< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > SUPERVISOR_MODULE< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > F< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > InterSkill::filename_of_pipeline< / 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 = "identifier-syntax" > pipeline< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > search_list< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > #< / span > < span class = "identifier-syntax" > endif< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > F< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > leafname< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Str::new< / span > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > leafname< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "%S.interpipeline"< / 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 = "plain-syntax" > < / span > < span class = "identifier-syntax" > F< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Filenames::in< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pipeline< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > local< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > leafname< / span > < span class = "plain-syntax" > );< / 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" > F< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < a href = "2-pe.html#SP1" class = "function-link" > < span class = "function-syntax" > PipelineErrors::syntax_with< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "unable to find the pipeline '%S'"< / 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 = "plain-syntax" > < / span > < span class = "identifier-syntax" > pipeline< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > erroneous< / 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 > < span class = "reserved-syntax" > else< / 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" > pipeline< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > run_depth< / span > < span class = "plain-syntax" > ++ > < / span > < span class = "constant-syntax" > 100< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < a href = "2-pe.html#SP1" class = "function-link" > < span class = "function-syntax" > PipelineErrors::syntax_with< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "pipeline seems to have become circular: '%S'"< / 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 = "plain-syntax" > < / span > < span class = "identifier-syntax" > pipeline< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > erroneous< / 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" > else< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TextFiles::read< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > F< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "can't open inter pipeline file"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > , < / span > < a href = "2-pp.html#SP5" class = "function-link" > < span class = "function-syntax" > ParsingPipelines::scan_line< / span > < / a > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > , (< / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > *) < / span > < span class = "identifier-syntax" > pipeline< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pipeline< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > run_depth< / span > < span class = "plain-syntax" > --;< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > pipeline_step< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ST< / span > < span class = "plain-syntax" > = < / span > < a href = "2-pp.html#SP8" class = "function-link" > < span class = "function-syntax" > ParsingPipelines::parse_step< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pipeline< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ST< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > ADD_TO_LINKED_LIST< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ST< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > pipeline_step< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > pipeline< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > steps< / 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" > pipeline< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > erroneous< / 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 >
< 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 >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP8" class = "paragraph-anchor" > < / a > < b > § 8. < / b > Finally, an individual textual description < span class = "extract" > < span class = "extract-syntax" > S< / span > < / span > of a step is turned into a
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< a href = "2-pp.html#SP2" class = "internal" > pipeline_step< / a > .
< / p >
< p class = "commentary" > For documentation on the syntax here, see < a href = "../inter/M-pas.html" class = "internal" > Pipelines and Stages (in inter)< / a > .
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > pipeline_step< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > ParsingPipelines::parse_step< / span > < button class = "popup" onclick = "togglePopup('usagePopup9')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup9" > Usage of < span class = "code-font" > < span class = "function-syntax" > ParsingPipelines::parse_step< / span > < / span > :< br / > < a href = "2-pp.html#SP7" > § 7< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > inter_pipeline< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > pipeline< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_file_position< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > dictionary< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > D< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > pipeline< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > variables< / span > < span class = "plain-syntax" > ;< / span >
< 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 > < a href = "2-pp.html#SP2" class = "function-link" > < span class = "function-syntax" > ParsingPipelines::new_step< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pipeline< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > syntax< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Str::duplicate< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > );< / span >
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< 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 = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > allow_unknown< / 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" > 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" > S< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "optionally-%c+"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > allow_unknown< / 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 = "identifier-syntax" > left_arrow_used< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
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< 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" > S< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "(%c+?) *< - *(%c*)"< / span > < span class = "plain-syntax" > )) < / span > < span class = "named-paragraph-container code-font" > < a href = "2-pp.html#SP8_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Left arrow notation< / span > < span class = "named-paragraph-number" > 8.1< / span > < / a > < / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / 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" > S< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "(%c+?) (%C+) *-> *(%c*)"< / span > < span class = "plain-syntax" > )) < / span > < span class = "named-paragraph-container code-font" > < a href = "2-pp.html#SP8_2" class = "named-paragraph-link" > < span class = "named-paragraph" > Right arrow notation with generator< / span > < span class = "named-paragraph-number" > 8.2< / span > < / a > < / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / 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" > S< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "(%c+?) *-> *(%c*)"< / span > < span class = "plain-syntax" > )) < / span > < span class = "named-paragraph-container code-font" > < a href = "2-pp.html#SP8_3" class = "named-paragraph-link" > < span class = "named-paragraph" > Right arrow notation without generator< / span > < span class = "named-paragraph-number" > 8.3< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
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< 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" > S< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "(%C+?) (%d)"< / span > < span class = "plain-syntax" > )) < / span > < span class = "named-paragraph-container code-font" > < a href = "2-pp.html#SP8_4" class = "named-paragraph-link" > < span class = "named-paragraph" > Repository number as argument< / span > < span class = "named-paragraph-number" > 8.4< / span > < / a > < / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / 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" > S< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "(%C+?) (%d):(%c*)"< / span > < span class = "plain-syntax" > )) < / span > < span class = "named-paragraph-container code-font" > < a href = "2-pp.html#SP8_5" class = "named-paragraph-link" > < span class = "named-paragraph" > Repository number and package as arguments< / span > < span class = "named-paragraph-number" > 8.5< / span > < / a > < / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / 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" > S< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "(%C+?) (%c+)"< / span > < span class = "plain-syntax" > )) < / span > < span class = "named-paragraph-container code-font" > < a href = "2-pp.html#SP8_6" class = "named-paragraph-link" > < span class = "named-paragraph" > Package as argument< / span > < span class = "named-paragraph-number" > 8.6< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > step_stage< / span > < span class = "plain-syntax" > = < / span > < a href = "2-pp.html#SP10" class = "function-link" > < span class = "function-syntax" > ParsingPipelines::parse_stage< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "2-pp.html#SP8_7" class = "named-paragraph-link" > < span class = "named-paragraph" > Make consistency checks< / span > < span class = "named-paragraph-number" > 8.7< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
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< 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" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP8_1" class = "paragraph-anchor" > < / a > < b > § 8.1. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Left arrow notation< / span > < span class = "named-paragraph-number" > 8.1< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::len< / 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 = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > step_argument< / span > < span class = "plain-syntax" > = < / span > < a href = "2-pp.html#SP9" class = "function-link" > < span class = "function-syntax" > ParsingPipelines::text_arg< / span > < / a > < 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 = "identifier-syntax" > D< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > syntax< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > allow_unknown< / span > < span class = "plain-syntax" > );< / span >
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< 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" > step_argument< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / 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" > else< / span > < span class = "plain-syntax" > {< / span >
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< span class = "plain-syntax" > < / span > < a href = "2-pe.html#SP1" class = "function-link" > < span class = "function-syntax" > PipelineErrors::syntax< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > syntax< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "no source to right of arrow"< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Str::copy< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > S< / 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 = "plain-syntax" > < / span > < span class = "identifier-syntax" > left_arrow_used< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< / pre >
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< ul class = "endnotetexts" > < li > This code is used in < a href = "2-pp.html#SP8" > § 8< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP8_2" class = "paragraph-anchor" > < / a > < b > § 8.2. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Right arrow notation with generator< / span > < span class = "named-paragraph-number" > 8.2< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > code_generator< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > cgt< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Generators::find< / 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 = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > cgt< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < a href = "2-pe.html#SP1" class = "function-link" > < span class = "function-syntax" > PipelineErrors::syntax_with< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > syntax< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "no such code generation format as '%S'"< / 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 >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / 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" > else< / 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" > generator_argument< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > cgt< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< 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 > < a href = "2-pp.html#SP9" class = "function-link" > < span class = "function-syntax" > ParsingPipelines::text_arg< / span > < / a > < 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" > [2], < / span > < span class = "identifier-syntax" > D< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > syntax< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > allow_unknown< / span > < span class = "plain-syntax" > );< / span >
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< 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" > step_argument< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / 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" > Str::copy< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > S< / 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 >
< / pre >
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< ul class = "endnotetexts" > < li > This code is used in < a href = "2-pp.html#SP8" > § 8< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP8_3" class = "paragraph-anchor" > < / a > < b > § 8.3. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Right arrow notation without generator< / span > < span class = "named-paragraph-number" > 8.3< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > generator_argument< / 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" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > take_generator_argument_from_VM< / 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 > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > step_argument< / span > < span class = "plain-syntax" > = < / span > < a href = "2-pp.html#SP9" class = "function-link" > < span class = "function-syntax" > ParsingPipelines::text_arg< / span > < / a > < 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 = "identifier-syntax" > D< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > syntax< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > allow_unknown< / span > < span class = "plain-syntax" > );< / span >
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< 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" > step_argument< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / 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" > Str::copy< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > S< / 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 >
< / pre >
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< ul class = "endnotetexts" > < li > This code is used in < a href = "2-pp.html#SP8" > § 8< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP8_4" class = "paragraph-anchor" > < / a > < b > § 8.4. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Repository number as argument< / span > < span class = "named-paragraph-number" > 8.4< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > repository_argument< / 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" > [1], < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Str::copy< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > S< / 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 >
< / pre >
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< ul class = "endnotetexts" > < li > This code is used in < a href = "2-pp.html#SP8" > § 8< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP8_5" class = "paragraph-anchor" > < / a > < b > § 8.5. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Repository number and package as arguments< / span > < span class = "named-paragraph-number" > 8.5< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > repository_argument< / 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" > [1], < / 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" > Str::len< / 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" > [2]) > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > package_URL_argument< / span > < span class = "plain-syntax" > =< / span >
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< span class = "plain-syntax" > < / span > < a href = "2-pp.html#SP9" class = "function-link" > < span class = "function-syntax" > ParsingPipelines::text_arg< / span > < / a > < 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" > [2], < / span > < span class = "identifier-syntax" > D< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > syntax< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > allow_unknown< / span > < span class = "plain-syntax" > );< / span >
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< 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" > package_URL_argument< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Str::copy< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > S< / 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 >
< / pre >
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< ul class = "endnotetexts" > < li > This code is used in < a href = "2-pp.html#SP8" > § 8< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP8_6" class = "paragraph-anchor" > < / a > < b > § 8.6. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Package as argument< / span > < span class = "named-paragraph-number" > 8.6< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > package_URL_argument< / span > < span class = "plain-syntax" > =< / span >
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< span class = "plain-syntax" > < / span > < a href = "2-pp.html#SP9" class = "function-link" > < span class = "function-syntax" > ParsingPipelines::text_arg< / span > < / a > < 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 = "identifier-syntax" > D< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > syntax< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > allow_unknown< / span > < span class = "plain-syntax" > );< / span >
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< 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" > package_URL_argument< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / 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" > Str::copy< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > S< / 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 >
< / pre >
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< ul class = "endnotetexts" > < li > This code is used in < a href = "2-pp.html#SP8" > § 8< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP8_7" class = "paragraph-anchor" > < / a > < b > § 8.7. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Make consistency checks< / span > < span class = "named-paragraph-number" > 8.7< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< 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" > step_stage< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < a href = "2-pe.html#SP1" class = "function-link" > < span class = "function-syntax" > PipelineErrors::syntax_with< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > syntax< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "no such stage as '%S'"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / 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" > step_stage< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > takes_repository< / 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" > left_arrow_used< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < a href = "2-pe.html#SP1" class = "function-link" > < span class = "function-syntax" > PipelineErrors::syntax< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > syntax< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "this stage should take a left arrow and a source"< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / 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" > left_arrow_used< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < a href = "2-pe.html#SP1" class = "function-link" > < span class = "function-syntax" > PipelineErrors::syntax< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > syntax< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "this stage should not take a left arrow and a source"< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< ul class = "endnotetexts" > < li > This code is used in < a href = "2-pp.html#SP8" > § 8< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP9" class = "paragraph-anchor" > < / a > < b > § 9. < / b > A textual argument beginning with an asterisk means "expand to the value of
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this variable", which is required to exist unless < span class = "extract" > < span class = "extract-syntax" > allow_unknown< / span > < / span > is set.
If it is, then an empty text results as the argument.
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > ParsingPipelines::text_arg< / span > < button class = "popup" onclick = "togglePopup('usagePopup10')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup10" > Usage of < span class = "code-font" > < span class = "function-syntax" > ParsingPipelines::text_arg< / span > < / span > :< br / > < a href = "2-pp.html#SP8_1" > § 8.1< / a > , < a href = "2-pp.html#SP8_2" > § 8.2< / a > , < a href = "2-pp.html#SP8_3" > § 8.3< / a > , < a href = "2-pp.html#SP8_5" > § 8.5< / a > , < a href = "2-pp.html#SP8_6" > § 8.6< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > dictionary< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > D< / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_file_position< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > syntax< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > allow_unknown< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::get_first_char< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > ) == < / span > < span class = "character-syntax" > '*'< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > find< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Dictionaries::get_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > D< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > from< / 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" > find< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Str::duplicate< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > find< / 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" > allow_unknown< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < a href = "2-pe.html#SP1" class = "function-link" > < span class = "function-syntax" > PipelineErrors::syntax_with< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > syntax< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "no such pipeline variable as '%S'"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / 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" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / 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" > Str::duplicate< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP10" class = "paragraph-anchor" > < / a > < b > § 10. Stages. < / b > Stages are a fixed set within this compiler: there's no way for a pipeline
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file to specify a new one.
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > pipeline_stage< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > ParsingPipelines::parse_stage< / span > < button class = "popup" onclick = "togglePopup('usagePopup11')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup11" > Usage of < span class = "code-font" > < span class = "function-syntax" > ParsingPipelines::parse_stage< / span > < / span > :< br / > < a href = "2-pp.html#SP8" > § 8< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > static< / span > < span class = "plain-syntax" > < / span > < 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 = "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 >
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< span class = "plain-syntax" > < / span > < a href = "2-rmwss.html#SP1" class = "function-link" > < span class = "function-syntax" > SimpleStages::create_pipeline_stages< / span > < / a > < span class = "plain-syntax" > ();< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > CodeGen::create_pipeline_stage< / span > < span class = "plain-syntax" > ();< / span >
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< span class = "plain-syntax" > < / span > < a href = "2-ns.html#SP1" class = "function-link" > < span class = "function-syntax" > NewStage::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < a href = "4-lbks.html#SP1" class = "function-link" > < span class = "function-syntax" > LoadBinaryKitsStage::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < a href = "3-css.html#SP1" class = "function-link" > < span class = "function-syntax" > CompileSplatsStage::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < a href = "4-dic.html#SP1" class = "function-link" > < span class = "function-syntax" > DetectIndirectCalls::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < a href = "6-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 = "4-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 = "4-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 = "6-erl.html#SP1" class = "function-link" > < span class = "function-syntax" > CodeGen::Labels::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < a href = "6-ero.html#SP1" class = "function-link" > < span class = "function-syntax" > CodeGen::Operations::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < a href = "5-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 = "3-ps.html#SP1" class = "function-link" > < span class = "function-syntax" > ParsingStages::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
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< span class = "plain-syntax" > < / span > < a href = "3-rccs.html#SP1" class = "function-link" > < span class = "function-syntax" > ResolveConditionalsStage::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < a href = "4-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 = "4-unq.html#SP1" class = "function-link" > < span class = "function-syntax" > CodeGen::Uniqueness::create_pipeline_stage< / span > < / a > < span class = "plain-syntax" > ();< / span >
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< span class = "plain-syntax" > }< / span >
< 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 = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOOP_OVER< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > stage< / 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" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::eq< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > from< / 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 = "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 > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP11" class = "paragraph-anchor" > < / a > < b > § 11. Starting a variables dictionary. < / b > Note that the above ways to create a pipeline all expect a dictionary of variable
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names and their values to exist. These dictionaries are typically very small,
and by convention the main variable is < span class = "extract" > < span class = "extract-syntax" > *out< / span > < / span > , the leafname to write output to.
So the following utility is convenient for getting started.
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "identifier-syntax" > dictionary< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > ParsingPipelines::basic_dictionary< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > leafname< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > dictionary< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > D< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Dictionaries::new< / span > < span class = "plain-syntax" > (16, < / span > < span class = "identifier-syntax" > TRUE< / 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" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > leafname< / span > < span class = "plain-syntax" > ) > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > Str::copy< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Dictionaries::create_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > D< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "*out"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > leafname< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Str::copy< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Dictionaries::create_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > D< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "*log"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "*log"< / 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" > D< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP12" class = "paragraph-anchor" > < / a > < b > § 12. Back to text. < / b > Here we write a textual description to a string, which is useful for logging:
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< / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ParsingPipelines::write_step< / span > < button class = "popup" onclick = "togglePopup('usagePopup12')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup12" > Usage of < span class = "code-font" > < span class = "function-syntax" > ParsingPipelines::write_step< / span > < / span > :< br / > Running Pipelines - < a href = "2-rp.html#SP3_1" > § 3.1< / a > < br / > Pipeline Errors - < a href = "2-pe.html#SP2_2" > § 2.2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > OUTPUT_STREAM< / span > < 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 >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "%S"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > step_stage< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > stage_name< / 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" > step_stage< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > stage_arg< / span > < span class = "plain-syntax" > != < / span > < span class = "constant-syntax" > NO_STAGE_ARG< / 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" > repository_argument< / span > < span class = "plain-syntax" > > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > " %d"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > repository_argument< / 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" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > package_URL_argument< / span > < span class = "plain-syntax" > ) > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > ":%S"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > package_URL_argument< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / 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" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > package_URL_argument< / span > < span class = "plain-syntax" > ) > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > " %S"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > package_URL_argument< / span > < span class = "plain-syntax" > );< / 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" > step_stage< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > takes_repository< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > " < - %S"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > step_argument< / 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" > generator_argument< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > " %S -> %S"< / 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" > generator_argument< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > generator_name< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > step< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > step_argument< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
< nav role = "progress" > < div class = "progresscontainer" >
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< ul class = "progressbar" > < li class = "progressprev" > < a href = "1-pm.html" > ❮ < / a > < / li > < li class = "progresschapter" > < a href = "P-wtmd.html" > P< / a > < / li > < li class = "progresschapter" > < a href = "1-pm.html" > 1< / a > < / li > < li class = "progresscurrentchapter" > 2< / li > < li class = "progresscurrent" > pp< / li > < li class = "progresssection" > < a href = "2-rp.html" > rp< / a > < / li > < li class = "progresssection" > < a href = "2-pe.html" > pe< / a > < / li > < li class = "progresssection" > < a href = "2-ns.html" > ns< / a > < / li > < li class = "progresssection" > < a href = "2-rmwss.html" > rmwss< / a > < / li > < li class = "progresschapter" > < a href = "3-ps.html" > 3< / a > < / li > < li class = "progresschapter" > < a href = "4-lbks.html" > 4< / a > < / li > < li class = "progresschapter" > < a href = "5-sh.html" > 5< / a > < / li > < li class = "progresschapter" > < a href = "6-erm.html" > 6< / a > < / li > < li class = "progressnext" > < a href = "2-rp.html" > ❯ < / a > < / li > < / ul > < / div >
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< / nav > <!-- End of weave -->
< / main >
< / body >
< / html >