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<!-- Weave of '2/erm' generated by 7 -->
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< ul class = "crumbs" > < li > < a href = "../webs.html" > ★ < / a > < / li > < li > < a href = "index.html" > codegen< / a > < / li > < li > < a href = "index.html#2" > Chapter 2: Miscellaneous Pipeline Stages< / a > < / li > < li > < b > Eliminate Redundant Matter< / b > < / li > < / ul > < p class = "purpose" > To reconcile clashes between assimilated and originally generated verbs.< / p >
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< ul class = "toc" > < li > < a href = "#SP1" > § 1. Pipeline stage< / a > < / li > < li > < a href = "#SP2" > § 2. Parsing< / a > < / li > < / ul > < hr class = "tocbar" >
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< p class = "inwebparagraph" > < a id = "SP1" > < / a > < b > § 1. Pipeline stage. < / b > < / p >
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< pre class = "display" >
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< span class = "reserved" > void< / span > < span class = "plain" > < / span > < span class = "functiontext" > CodeGen::Eliminate::create_pipeline_stage< / span > < span class = "plain" > (< / span > < span class = "reserved" > void< / span > < span class = "plain" > ) {< / span >
< span class = "functiontext" > CodeGen::Stage::new< / span > < span class = "plain" > (< / span > < span class = "identifier" > I< / span > < span class = "string" > "eliminate-redundant-code"< / span > < span class = "plain" > , < / span > < span class = "functiontext" > CodeGen::Eliminate::run_pipeline_stage< / span > < span class = "plain" > , < / span > < span class = "constant" > NO_STAGE_ARG< / span > < span class = "plain" > );< / span >
< span class = "plain" > }< / span >
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< span class = "reserved" > int< / span > < span class = "plain" > < / span > < span class = "functiontext" > CodeGen::Eliminate::run_pipeline_stage< / span > < span class = "plain" > (< / span > < span class = "reserved" > pipeline_step< / span > < span class = "plain" > *< / span > < span class = "identifier" > step< / span > < span class = "plain" > ) {< / span >
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< span class = "functiontext" > CodeGen::Eliminate::go< / span > < span class = "plain" > (< / span > < span class = "identifier" > step< / span > < span class = "plain" > -< / span > < span class = "element" > > repository< / span > < span class = "plain" > );< / span >
< span class = "reserved" > return< / span > < span class = "plain" > < / span > < span class = "identifier" > TRUE< / span > < span class = "plain" > ;< / span >
< span class = "plain" > }< / span >
< / pre >
< p class = "inwebparagraph" > < / p >
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< p class = "endnote" > The function CodeGen::Eliminate::create_pipeline_stage is used in 1/stg (< a href = "1-stg.html#SP2" > § 2< / a > ).< / p >
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< p class = "endnote" > The function CodeGen::Eliminate::run_pipeline_stage appears nowhere else.< / p >
< p class = "inwebparagraph" > < a id = "SP2" > < / a > < b > § 2. Parsing. < / b > < / p >
< pre class = "display" >
< span class = "reserved" > void< / span > < span class = "plain" > < / span > < span class = "functiontext" > CodeGen::Eliminate::require< / span > < span class = "plain" > (< / span > < span class = "identifier" > inter_package< / span > < span class = "plain" > *< / span > < span class = "identifier" > pack< / span > < span class = "plain" > , < / span > < span class = "identifier" > inter_symbol< / span > < span class = "plain" > *< / span > < span class = "identifier" > witness< / span > < span class = "plain" > ) {< / span >
< span class = "reserved" > if< / span > < span class = "plain" > ((< / span > < span class = "identifier" > pack< / span > < span class = "plain" > -> < / span > < span class = "identifier" > package_flags< / span > < span class = "plain" > ) & < / span > < span class = "identifier" > USED_PACKAGE_FLAG< / span > < span class = "plain" > ) < / span > < span class = "reserved" > return< / span > < span class = "plain" > ;< / span >
< span class = "identifier" > pack< / span > < span class = "plain" > -> < / span > < span class = "identifier" > package_flags< / span > < span class = "plain" > |= < / span > < span class = "identifier" > USED_PACKAGE_FLAG< / span > < span class = "plain" > ;< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > witness< / span > < span class = "plain" > ) < / span > < span class = "identifier" > LOG< / span > < span class = "plain" > (< / span > < span class = "string" > "Need $6 because of $3\< / span > < span class = "plain" > n< / span > < span class = "string" > "< / span > < span class = "plain" > , < / span > < span class = "identifier" > pack< / span > < span class = "plain" > , < / span > < span class = "identifier" > witness< / span > < span class = "plain" > ); < / span > < span class = "reserved" > else< / span > < span class = "plain" > < / span > < span class = "identifier" > LOG< / span > < span class = "plain" > (< / span > < span class = "string" > "Need $6\< / span > < span class = "plain" > n< / span > < span class = "string" > "< / span > < span class = "plain" > , < / span > < span class = "identifier" > pack< / span > < span class = "plain" > );< / span >
< span class = "identifier" > inter_symbols_table< / span > < span class = "plain" > *< / span > < span class = "identifier" > tab< / span > < span class = "plain" > = < / span > < span class = "identifier" > Inter::Packages::scope< / span > < span class = "plain" > (< / span > < span class = "identifier" > pack< / span > < span class = "plain" > );< / span >
< span class = "reserved" > for< / span > < span class = "plain" > (< / span > < span class = "reserved" > int< / span > < span class = "plain" > < / span > < span class = "identifier" > i< / span > < span class = "plain" > =0; < / span > < span class = "identifier" > i< / span > < span class = "plain" > < < / span > < span class = "identifier" > tab< / span > < span class = "plain" > -> < / span > < span class = "identifier" > size< / span > < span class = "plain" > ; < / span > < span class = "identifier" > i< / span > < span class = "plain" > ++) {< / span >
< span class = "identifier" > inter_symbol< / span > < span class = "plain" > *< / span > < span class = "identifier" > symb< / span > < span class = "plain" > = < / span > < span class = "identifier" > tab< / span > < span class = "plain" > -> < / span > < span class = "identifier" > symbol_array< / span > < span class = "plain" > [< / span > < span class = "identifier" > i< / span > < span class = "plain" > ];< / span >
< span class = "reserved" > if< / span > < span class = "plain" > ((< / span > < span class = "identifier" > symb< / span > < span class = "plain" > ) & & (< / span > < span class = "identifier" > symb< / span > < span class = "plain" > -> < / span > < span class = "identifier" > equated_to< / span > < span class = "plain" > )) {< / span >
< span class = "identifier" > inter_symbol< / span > < span class = "plain" > *< / span > < span class = "identifier" > to< / span > < span class = "plain" > = < / span > < span class = "identifier" > symb< / span > < span class = "plain" > -> < / span > < span class = "identifier" > equated_to< / span > < span class = "plain" > ;< / span >
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< span class = "identifier" > inter_package< / span > < span class = "plain" > *< / span > < span class = "identifier" > needed< / span > < span class = "plain" > = < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > ;< / span >
< span class = "identifier" > inter_symbol< / span > < span class = "plain" > *< / span > < span class = "identifier" > cb< / span > < span class = "plain" > = < / span > < span class = "identifier" > Inter::Constant::code_block< / span > < span class = "plain" > (< / span > < span class = "identifier" > to< / span > < span class = "plain" > );< / span >
< span class = "identifier" > LOG< / span > < span class = "plain" > (< / span > < span class = "string" > "To $3 cb $3\< / span > < span class = "plain" > n< / span > < span class = "string" > "< / span > < span class = "plain" > , < / span > < span class = "identifier" > to< / span > < span class = "plain" > , < / span > < span class = "identifier" > cb< / span > < span class = "plain" > );< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > cb< / span > < span class = "plain" > ) < / span > < span class = "identifier" > needed< / span > < span class = "plain" > = < / span > < span class = "identifier" > Inter::Package::which< / span > < span class = "plain" > (< / span > < span class = "identifier" > cb< / span > < span class = "plain" > );< / span >
< span class = "reserved" > else< / span > < span class = "plain" > < / span > < span class = "identifier" > needed< / span > < span class = "plain" > = < / span > < span class = "identifier" > to< / span > < span class = "plain" > -> < / span > < span class = "identifier" > owning_table< / span > < span class = "plain" > -> < / span > < span class = "identifier" > owning_package< / span > < span class = "plain" > ;< / span >
< span class = "functiontext" > CodeGen::Eliminate::require< / span > < span class = "plain" > (< / span > < span class = "identifier" > needed< / span > < span class = "plain" > , < / span > < span class = "identifier" > to< / span > < span class = "plain" > );< / span >
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< span class = "plain" > }< / span >
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< span class = "plain" > }< / span >
< span class = "identifier" > inter_symbol< / span > < span class = "plain" > *< / span > < span class = "identifier" > ptype< / span > < span class = "plain" > = < / span > < span class = "identifier" > Inter::Packages::type< / span > < span class = "plain" > (< / span > < span class = "identifier" > pack< / span > < span class = "plain" > );< / span >
< span class = "reserved" > if< / span > < span class = "plain" > ((< / span > < span class = "identifier" > ptype< / span > < span class = "plain" > ) & & (< / span > < span class = "identifier" > Str::eq< / span > < span class = "plain" > (< / span > < span class = "identifier" > ptype< / span > < span class = "plain" > -> < / span > < span class = "identifier" > symbol_name< / span > < span class = "plain" > , < / span > < span class = "identifier" > I< / span > < span class = "string" > "_function"< / span > < span class = "plain" > ))) {< / span >
< span class = "reserved" > for< / span > < span class = "plain" > (< / span > < span class = "identifier" > inter_package< / span > < span class = "plain" > *< / span > < span class = "identifier" > P< / span > < span class = "plain" > = < / span > < span class = "identifier" > pack< / span > < span class = "plain" > -> < / span > < span class = "identifier" > child_package< / span > < span class = "plain" > ; < / span > < span class = "identifier" > P< / span > < span class = "plain" > ; < / span > < span class = "identifier" > P< / span > < span class = "plain" > = < / span > < span class = "identifier" > P< / span > < span class = "plain" > -> < / span > < span class = "identifier" > next_package< / span > < span class = "plain" > ) {< / span >
< span class = "functiontext" > CodeGen::Eliminate::require< / span > < span class = "plain" > (< / span > < span class = "identifier" > P< / span > < span class = "plain" > , < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > );< / span >
< span class = "plain" > }< / span >
< span class = "plain" > }< / span >
< span class = "reserved" > if< / span > < span class = "plain" > ((< / span > < span class = "identifier" > ptype< / span > < span class = "plain" > ) & & (< / span > < span class = "identifier" > Str::eq< / span > < span class = "plain" > (< / span > < span class = "identifier" > ptype< / span > < span class = "plain" > -> < / span > < span class = "identifier" > symbol_name< / span > < span class = "plain" > , < / span > < span class = "identifier" > I< / span > < span class = "string" > "_action"< / span > < span class = "plain" > ))) {< / span >
< span class = "reserved" > for< / span > < span class = "plain" > (< / span > < span class = "identifier" > inter_package< / span > < span class = "plain" > *< / span > < span class = "identifier" > P< / span > < span class = "plain" > = < / span > < span class = "identifier" > pack< / span > < span class = "plain" > -> < / span > < span class = "identifier" > child_package< / span > < span class = "plain" > ; < / span > < span class = "identifier" > P< / span > < span class = "plain" > ; < / span > < span class = "identifier" > P< / span > < span class = "plain" > = < / span > < span class = "identifier" > P< / span > < span class = "plain" > -> < / span > < span class = "identifier" > next_package< / span > < span class = "plain" > ) {< / span >
< span class = "functiontext" > CodeGen::Eliminate::require< / span > < span class = "plain" > (< / span > < span class = "identifier" > P< / span > < span class = "plain" > , < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > );< / span >
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< span class = "plain" > }< / span >
< span class = "plain" > }< / span >
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< span class = "reserved" > if< / span > < span class = "plain" > ((< / span > < span class = "identifier" > ptype< / span > < span class = "plain" > ) & & (< / span > < span class = "identifier" > Str::eq< / span > < span class = "plain" > (< / span > < span class = "identifier" > ptype< / span > < span class = "plain" > -> < / span > < span class = "identifier" > symbol_name< / span > < span class = "plain" > , < / span > < span class = "identifier" > I< / span > < span class = "string" > "_to_phrase"< / span > < span class = "plain" > ))) {< / span >
< span class = "reserved" > for< / span > < span class = "plain" > (< / span > < span class = "identifier" > inter_package< / span > < span class = "plain" > *< / span > < span class = "identifier" > P< / span > < span class = "plain" > = < / span > < span class = "identifier" > pack< / span > < span class = "plain" > -> < / span > < span class = "identifier" > child_package< / span > < span class = "plain" > ; < / span > < span class = "identifier" > P< / span > < span class = "plain" > ; < / span > < span class = "identifier" > P< / span > < span class = "plain" > = < / span > < span class = "identifier" > P< / span > < span class = "plain" > -> < / span > < span class = "identifier" > next_package< / span > < span class = "plain" > ) {< / span >
< span class = "functiontext" > CodeGen::Eliminate::require< / span > < span class = "plain" > (< / span > < span class = "identifier" > P< / span > < span class = "plain" > , < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > );< / span >
< span class = "plain" > }< / span >
< span class = "plain" > }< / span >
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< span class = "plain" > }< / span >
< span class = "reserved" > int< / span > < span class = "plain" > < / span > < span class = "identifier" > notes_made< / span > < span class = "plain" > = 0, < / span > < span class = "identifier" > log_elims< / span > < span class = "plain" > = < / span > < span class = "identifier" > FALSE< / span > < span class = "plain" > ;< / span >
< span class = "reserved" > int< / span > < span class = "plain" > < / span > < span class = "identifier" > elims_made< / span > < span class = "plain" > = < / span > < span class = "identifier" > FALSE< / span > < span class = "plain" > ;< / span >
< span class = "reserved" > void< / span > < span class = "plain" > < / span > < span class = "functiontext" > CodeGen::Eliminate::go< / span > < span class = "plain" > (< / span > < span class = "identifier" > inter_repository< / span > < span class = "plain" > *< / span > < span class = "identifier" > I< / span > < span class = "plain" > ) {< / span >
< span class = "identifier" > elims_made< / span > < span class = "plain" > = < / span > < span class = "identifier" > TRUE< / span > < span class = "plain" > ;< / span >
< span class = "identifier" > inter_symbol< / span > < span class = "plain" > *< / span > < span class = "identifier" > Main_block< / span > < span class = "plain" > = < / span > < span class = "identifier" > Inter::SymbolsTables::symbol_from_name_in_template< / span > < span class = "plain" > (< / span > < span class = "identifier" > I< / span > < span class = "plain" > , < / span > < span class = "identifier" > I< / span > < span class = "string" > "Main_B"< / span > < span class = "plain" > );< / span >
< span class = "identifier" > inter_package< / span > < span class = "plain" > *< / span > < span class = "identifier" > Main_package< / span > < span class = "plain" > = < / span > < span class = "identifier" > Inter::Package::which< / span > < span class = "plain" > (< / span > < span class = "identifier" > Main_block< / span > < span class = "plain" > );< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > Main_package< / span > < span class = "plain" > == < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > ) {< / span >
< span class = "identifier" > LOG< / span > < span class = "plain" > (< / span > < span class = "string" > "Eliminate failed: can't find Main code block\< / span > < span class = "plain" > n< / span > < span class = "string" > "< / span > < span class = "plain" > );< / span >
< span class = "reserved" > return< / span > < span class = "plain" > ;< / span >
< span class = "plain" > }< / span >
< span class = "functiontext" > CodeGen::Eliminate::require< / span > < span class = "plain" > (< / span > < span class = "identifier" > Main_package< / span > < span class = "plain" > , < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > );< / span >
< span class = "identifier" > inter_frame< / span > < span class = "plain" > < / span > < span class = "identifier" > P< / span > < span class = "plain" > ;< / span >
< span class = "identifier" > LOOP_THROUGH_FRAMES< / span > < span class = "plain" > (< / span > < span class = "identifier" > P< / span > < span class = "plain" > , < / span > < span class = "identifier" > I< / span > < span class = "plain" > ) {< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > P< / span > < span class = "plain" > .< / span > < span class = "identifier" > data< / span > < span class = "plain" > [< / span > < span class = "identifier" > ID_IFLD< / span > < span class = "plain" > ] == < / span > < span class = "identifier" > PACKAGE_IST< / span > < span class = "plain" > ) {< / span >
< span class = "identifier" > inter_symbol< / span > < span class = "plain" > *< / span > < span class = "identifier" > package_name< / span > < span class = "plain" > = < / span > < span class = "identifier" > Inter::SymbolsTables::symbol_from_frame_data< / span > < span class = "plain" > (< / span > < span class = "identifier" > P< / span > < span class = "plain" > , < / span > < span class = "identifier" > DEFN_PACKAGE_IFLD< / span > < span class = "plain" > );< / span >
< span class = "identifier" > inter_package< / span > < span class = "plain" > *< / span > < span class = "identifier" > which< / span > < span class = "plain" > = < / span > < span class = "identifier" > Inter::Package::which< / span > < span class = "plain" > (< / span > < span class = "identifier" > package_name< / span > < span class = "plain" > );< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > which< / span > < span class = "plain" > ) {< / span >
< span class = "identifier" > inter_symbol< / span > < span class = "plain" > *< / span > < span class = "identifier" > ptype< / span > < span class = "plain" > = < / span > < span class = "identifier" > Inter::Packages::type< / span > < span class = "plain" > (< / span > < span class = "identifier" > which< / span > < span class = "plain" > );< / span >
< span class = "reserved" > if< / span > < span class = "plain" > ((< / span > < span class = "identifier" > ptype< / span > < span class = "plain" > ) & & (< / span > < span class = "identifier" > Str::eq< / span > < span class = "plain" > (< / span > < span class = "identifier" > ptype< / span > < span class = "plain" > -> < / span > < span class = "identifier" > symbol_name< / span > < span class = "plain" > , < / span > < span class = "identifier" > I< / span > < span class = "string" > "_action"< / span > < span class = "plain" > ))) {< / span >
< span class = "functiontext" > CodeGen::Eliminate::require< / span > < span class = "plain" > (< / span > < span class = "identifier" > which< / span > < span class = "plain" > , < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > );< / span >
< span class = "plain" > }< / span >
< span class = "reserved" > if< / span > < span class = "plain" > ((< / span > < span class = "identifier" > ptype< / span > < span class = "plain" > ) & & (< / span > < span class = "identifier" > Str::eq< / span > < span class = "plain" > (< / span > < span class = "identifier" > ptype< / span > < span class = "plain" > -> < / span > < span class = "identifier" > symbol_name< / span > < span class = "plain" > , < / span > < span class = "identifier" > I< / span > < span class = "string" > "_command"< / span > < span class = "plain" > ))) {< / span >
< span class = "functiontext" > CodeGen::Eliminate::require< / span > < span class = "plain" > (< / span > < span class = "identifier" > which< / span > < span class = "plain" > , < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > );< / span >
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< span class = "plain" > }< / span >
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< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > Str::eq< / span > < span class = "plain" > (< / span > < span class = "identifier" > package_name< / span > < span class = "plain" > -> < / span > < span class = "identifier" > symbol_name< / span > < span class = "plain" > , < / span > < span class = "identifier" > I< / span > < span class = "string" > "SL_Score_Moves_B"< / span > < span class = "plain" > ))< / span >
< span class = "functiontext" > CodeGen::Eliminate::require< / span > < span class = "plain" > (< / span > < span class = "identifier" > which< / span > < span class = "plain" > , < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > );< / span >
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< span class = "plain" > }< / span >
< span class = "plain" > }< / span >
< span class = "plain" > }< / span >
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< span class = "identifier" > LOOP_THROUGH_FRAMES< / span > < span class = "plain" > (< / span > < span class = "identifier" > P< / span > < span class = "plain" > , < / span > < span class = "identifier" > I< / span > < span class = "plain" > ) {< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > P< / span > < span class = "plain" > .< / span > < span class = "identifier" > data< / span > < span class = "plain" > [< / span > < span class = "identifier" > ID_IFLD< / span > < span class = "plain" > ] == < / span > < span class = "identifier" > PACKAGE_IST< / span > < span class = "plain" > ) {< / span >
< span class = "identifier" > inter_symbol< / span > < span class = "plain" > *< / span > < span class = "identifier" > package_name< / span > < span class = "plain" > = < / span > < span class = "identifier" > Inter::SymbolsTables::symbol_from_frame_data< / span > < span class = "plain" > (< / span > < span class = "identifier" > P< / span > < span class = "plain" > , < / span > < span class = "identifier" > DEFN_PACKAGE_IFLD< / span > < span class = "plain" > );< / span >
< span class = "identifier" > inter_package< / span > < span class = "plain" > *< / span > < span class = "identifier" > which< / span > < span class = "plain" > = < / span > < span class = "identifier" > Inter::Package::which< / span > < span class = "plain" > (< / span > < span class = "identifier" > package_name< / span > < span class = "plain" > );< / span >
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< span class = "reserved" > if< / span > < span class = "plain" > ((< / span > < span class = "identifier" > which< / span > < span class = "plain" > ) & & ((< / span > < span class = "identifier" > which< / span > < span class = "plain" > -> < / span > < span class = "identifier" > package_flags< / span > < span class = "plain" > & < / span > < span class = "identifier" > USED_PACKAGE_FLAG< / span > < span class = "plain" > ) == 0)) {< / span >
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< span class = "identifier" > LOG< / span > < span class = "plain" > (< / span > < span class = "string" > "Not used: $3\< / span > < span class = "plain" > n< / span > < span class = "string" > "< / span > < span class = "plain" > , < / span > < span class = "identifier" > package_name< / span > < span class = "plain" > );< / span >
< span class = "functiontext" > CodeGen::Eliminate::remove_package< / span > < span class = "plain" > (< / span > < span class = "identifier" > which< / span > < span class = "plain" > );< / span >
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< span class = "plain" > }< / span >
< span class = "plain" > }< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > P< / span > < span class = "plain" > .< / span > < span class = "identifier" > data< / span > < span class = "plain" > [< / span > < span class = "identifier" > ID_IFLD< / span > < span class = "plain" > ] == < / span > < span class = "identifier" > VARIABLE_IST< / span > < span class = "plain" > ) {< / span >
< span class = "identifier" > inter_package< / span > < span class = "plain" > *< / span > < span class = "identifier" > outer< / span > < span class = "plain" > = < / span > < span class = "identifier" > Inter::Packages::container< / span > < span class = "plain" > (< / span > < span class = "identifier" > P< / span > < span class = "plain" > );< / span >
< span class = "reserved" > if< / span > < span class = "plain" > ((< / span > < span class = "identifier" > outer< / span > < span class = "plain" > ) & & (< / span > < span class = "functiontext" > CodeGen::Eliminate::gone< / span > < span class = "plain" > (< / span > < span class = "identifier" > outer< / span > < span class = "plain" > -> < / span > < span class = "identifier" > package_name< / span > < span class = "plain" > ))) {< / span >
< span class = "identifier" > inter_symbol< / span > < span class = "plain" > *< / span > < span class = "identifier" > var_name< / span > < span class = "plain" > = < / span > < span class = "identifier" > Inter::SymbolsTables::symbol_from_frame_data< / span > < span class = "plain" > (< / span > < span class = "identifier" > P< / span > < span class = "plain" > , < / span > < span class = "identifier" > DEFN_VAR_IFLD< / span > < span class = "plain" > );< / span >
< span class = "identifier" > LOG< / span > < span class = "plain" > (< / span > < span class = "string" > "Striking variable $3\< / span > < span class = "plain" > n< / span > < span class = "string" > "< / span > < span class = "plain" > , < / span > < span class = "identifier" > var_name< / span > < span class = "plain" > );< / span >
< span class = "identifier" > Inter::Symbols::strike_definition< / span > < span class = "plain" > (< / span > < span class = "identifier" > var_name< / span > < span class = "plain" > );< / span >
< span class = "identifier" > Inter::Symbols::remove_from_table< / span > < span class = "plain" > (< / span > < span class = "identifier" > var_name< / span > < span class = "plain" > );< / span >
< span class = "reserved" > continue< / span > < span class = "plain" > ;< / span >
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< span class = "plain" > }< / span >
< span class = "plain" > }< / span >
< span class = "plain" > }< / span >
< span class = "plain" > }< / span >
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< span class = "reserved" > void< / span > < span class = "plain" > < / span > < span class = "functiontext" > CodeGen::Eliminate::remove_package< / span > < span class = "plain" > (< / span > < span class = "identifier" > inter_package< / span > < span class = "plain" > *< / span > < span class = "identifier" > pack< / span > < span class = "plain" > ) {< / span >
< span class = "reserved" > for< / span > < span class = "plain" > (< / span > < span class = "identifier" > inter_package< / span > < span class = "plain" > *< / span > < span class = "identifier" > P< / span > < span class = "plain" > = < / span > < span class = "identifier" > pack< / span > < span class = "plain" > -> < / span > < span class = "identifier" > child_package< / span > < span class = "plain" > ; < / span > < span class = "identifier" > P< / span > < span class = "plain" > ; < / span > < span class = "identifier" > P< / span > < span class = "plain" > = < / span > < span class = "identifier" > P< / span > < span class = "plain" > -> < / span > < span class = "identifier" > next_package< / span > < span class = "plain" > ) {< / span >
< span class = "reserved" > if< / span > < span class = "plain" > ((< / span > < span class = "identifier" > P< / span > < span class = "plain" > ) & & ((< / span > < span class = "identifier" > P< / span > < span class = "plain" > -> < / span > < span class = "identifier" > package_flags< / span > < span class = "plain" > & < / span > < span class = "identifier" > USED_PACKAGE_FLAG< / span > < span class = "plain" > ) != 0)) {< / span >
< span class = "identifier" > LOG< / span > < span class = "plain" > (< / span > < span class = "string" > "Warning: eliminating necessary $6\< / span > < span class = "plain" > n< / span > < span class = "string" > "< / span > < span class = "plain" > , < / span > < span class = "identifier" > P< / span > < span class = "plain" > );< / span >
< span class = "plain" > }< / span >
< span class = "plain" > }< / span >
< span class = "plain" > }< / span >
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< span class = "reserved" > int< / span > < span class = "plain" > < / span > < span class = "functiontext" > CodeGen::Eliminate::gone< / span > < span class = "plain" > (< / span > < span class = "identifier" > inter_symbol< / span > < span class = "plain" > *< / span > < span class = "identifier" > code_block< / span > < span class = "plain" > ) {< / span >
< span class = "identifier" > inter_package< / span > < span class = "plain" > *< / span > < span class = "identifier" > which< / span > < span class = "plain" > = < / span > < span class = "identifier" > Inter::Package::which< / span > < span class = "plain" > (< / span > < span class = "identifier" > code_block< / span > < span class = "plain" > );< / span >
< span class = "reserved" > if< / span > < span class = "plain" > ((< / span > < span class = "identifier" > elims_made< / span > < span class = "plain" > ) & & (< / span > < span class = "identifier" > which< / span > < span class = "plain" > ) & & ((< / span > < span class = "identifier" > which< / span > < span class = "plain" > -> < / span > < span class = "identifier" > package_flags< / span > < span class = "plain" > & < / span > < span class = "identifier" > USED_PACKAGE_FLAG< / span > < span class = "plain" > ) == 0))< / span >
< span class = "reserved" > return< / span > < span class = "plain" > < / span > < span class = "identifier" > TRUE< / span > < span class = "plain" > ;< / span >
< span class = "reserved" > return< / span > < span class = "plain" > < / span > < span class = "identifier" > FALSE< / span > < span class = "plain" > ;< / span >
< span class = "plain" > }< / span >
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< / pre >
< p class = "inwebparagraph" > < / p >
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< p class = "endnote" > The function CodeGen::Eliminate::require appears nowhere else.< / p >
< p class = "endnote" > The function CodeGen::Eliminate::go is used in < a href = "#SP1" > § 1< / a > .< / p >
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< p class = "endnote" > The function CodeGen::Eliminate::remove_package appears nowhere else.< / p >
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< p class = "endnote" > The function CodeGen::Eliminate::gone is used in 4/fc (< a href = "4-fc.html#SP2" > § 2< / a > ), 4/cal (< a href = "4-cal.html#SP4" > § 4< / a > ).< / p >
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< hr class = "tocbar" >
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< ul class = "toc" > < li > < a href = "2-rv.html" > Back to 'Reconcile Verbs'< / a > < / li > < li > < a href = "2-erl.html" > Continue with 'Eliminate Redundant Labels'< / a > < / li > < / ul > < hr class = "tocbar" >
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<!-- End of weave -->
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< / body >
< / html >
