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<!-- Weave of '3/ie' generated by 7 -->
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< ul class = "crumbs" > < li > < a href = "../webs.html" > Source< / a > < / li > < li > < a href = "../compiler.html" > Compiler Modules< / a > < / li > < li > < a href = "index.html" > inter< / a > < / li > < li > < a href = "index.html#3" > Chapter 3: Language Definition< / a > < / li > < li > < b > Inter Errors< / b > < / li > < / ul > < p class = "purpose" > To issue error messages.< / p >
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< ul class = "toc" > < li > < a href = "#SP1" > § 1. Reading textual inter< / a > < / li > < / ul > < hr class = "tocbar" >
< p class = "inwebparagraph" > < a id = "SP1" > < / a > < b > § 1. Reading textual inter. < / b > < / p >
< pre class = "display" >
< span class = "reserved" > typedef< / span > < span class = "plain" > < / span > < span class = "reserved" > struct< / span > < span class = "plain" > < / span > < span class = "reserved" > inter_error_location< / span > < span class = "plain" > {< / span >
< span class = "reserved" > struct< / span > < span class = "plain" > < / span > < span class = "identifier" > text_file_position< / span > < span class = "plain" > *< / span > < span class = "identifier" > error_tfp< / span > < span class = "plain" > ;< / span >
< span class = "reserved" > struct< / span > < span class = "plain" > < / span > < span class = "identifier" > text_stream< / span > < span class = "plain" > *< / span > < span class = "identifier" > error_line< / span > < span class = "plain" > ;< / span >
< span class = "reserved" > struct< / span > < span class = "plain" > < / span > < span class = "identifier" > filename< / span > < span class = "plain" > *< / span > < span class = "identifier" > error_interb< / span > < span class = "plain" > ;< / span >
< span class = "identifier" > size_t< / span > < span class = "plain" > < / span > < span class = "identifier" > error_offset< / span > < span class = "plain" > ;< / span >
< span class = "identifier" > MEMORY_MANAGEMENT< / span >
< span class = "plain" > } < / span > < span class = "reserved" > inter_error_location< / span > < span class = "plain" > ;< / span >
< span class = "reserved" > inter_error_location< / span > < span class = "plain" > < / span > < span class = "functiontext" > Inter::Errors::file_location< / span > < span class = "plain" > (< / span > < span class = "identifier" > text_stream< / span > < span class = "plain" > *< / span > < span class = "identifier" > line< / span > < span class = "plain" > , < / span > < span class = "identifier" > text_file_position< / span > < span class = "plain" > *< / span > < span class = "identifier" > tfp< / span > < span class = "plain" > ) {< / span >
< span class = "reserved" > inter_error_location< / span > < span class = "plain" > < / span > < span class = "identifier" > eloc< / span > < span class = "plain" > ;< / span >
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< span class = "identifier" > eloc< / span > < span class = "plain" > .< / span > < span class = "element" > error_tfp< / span > < span class = "plain" > = < / span > < span class = "identifier" > tfp< / span > < span class = "plain" > ;< / span >
< span class = "identifier" > eloc< / span > < span class = "plain" > .< / span > < span class = "element" > error_line< / span > < span class = "plain" > = < / span > < span class = "identifier" > line< / span > < span class = "plain" > ;< / span >
< span class = "identifier" > eloc< / span > < span class = "plain" > .< / span > < span class = "element" > error_interb< / span > < span class = "plain" > = < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > ;< / span >
< span class = "identifier" > eloc< / span > < span class = "plain" > .< / span > < span class = "element" > error_offset< / span > < span class = "plain" > = < / span > < span class = "constant" > 0< / span > < span class = "plain" > ;< / span >
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< span class = "reserved" > return< / span > < span class = "plain" > < / span > < span class = "identifier" > eloc< / span > < span class = "plain" > ;< / span >
< span class = "plain" > }< / span >
< span class = "reserved" > inter_error_location< / span > < span class = "plain" > < / span > < span class = "functiontext" > Inter::Errors::interb_location< / span > < span class = "plain" > (< / span > < span class = "identifier" > filename< / span > < span class = "plain" > *< / span > < span class = "identifier" > F< / span > < span class = "plain" > , < / span > < span class = "identifier" > size_t< / span > < span class = "plain" > < / span > < span class = "identifier" > at< / span > < span class = "plain" > ) {< / span >
< span class = "reserved" > inter_error_location< / span > < span class = "plain" > < / span > < span class = "identifier" > eloc< / span > < span class = "plain" > ;< / span >
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< span class = "identifier" > eloc< / span > < span class = "plain" > .< / span > < span class = "element" > error_tfp< / span > < span class = "plain" > = < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > ;< / span >
< span class = "identifier" > eloc< / span > < span class = "plain" > .< / span > < span class = "element" > error_line< / span > < span class = "plain" > = < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > ;< / span >
< span class = "identifier" > eloc< / span > < span class = "plain" > .< / span > < span class = "element" > error_interb< / span > < span class = "plain" > = < / span > < span class = "identifier" > F< / span > < span class = "plain" > ;< / span >
< span class = "identifier" > eloc< / span > < span class = "plain" > .< / span > < span class = "element" > error_offset< / span > < span class = "plain" > = < / span > < span class = "identifier" > at< / span > < span class = "plain" > ;< / span >
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< span class = "reserved" > return< / span > < span class = "plain" > < / span > < span class = "identifier" > eloc< / span > < span class = "plain" > ;< / span >
< span class = "plain" > }< / span >
< span class = "reserved" > typedef< / span > < span class = "plain" > < / span > < span class = "reserved" > struct< / span > < span class = "plain" > < / span > < span class = "reserved" > inter_error_message< / span > < span class = "plain" > {< / span >
< span class = "reserved" > struct< / span > < span class = "plain" > < / span > < span class = "reserved" > inter_error_location< / span > < span class = "plain" > < / span > < span class = "identifier" > error_at< / span > < span class = "plain" > ;< / span >
< span class = "reserved" > struct< / span > < span class = "plain" > < / span > < span class = "identifier" > text_stream< / span > < span class = "plain" > *< / span > < span class = "identifier" > error_body< / span > < span class = "plain" > ;< / span >
< span class = "reserved" > struct< / span > < span class = "plain" > < / span > < span class = "identifier" > text_stream< / span > < span class = "plain" > *< / span > < span class = "identifier" > error_quote< / span > < span class = "plain" > ;< / span >
< span class = "identifier" > MEMORY_MANAGEMENT< / span >
< span class = "plain" > } < / span > < span class = "reserved" > inter_error_message< / span > < span class = "plain" > ;< / span >
< span class = "reserved" > inter_error_message< / span > < span class = "plain" > *< / span > < span class = "functiontext" > Inter::Errors::quoted< / span > < span class = "plain" > (< / span > < span class = "identifier" > text_stream< / span > < span class = "plain" > *< / span > < span class = "identifier" > err< / span > < span class = "plain" > , < / span > < span class = "identifier" > text_stream< / span > < span class = "plain" > *< / span > < span class = "identifier" > quote< / span > < span class = "plain" > , < / span > < span class = "reserved" > inter_error_location< / span > < span class = "plain" > *< / span > < span class = "identifier" > eloc< / span > < span class = "plain" > ) {< / span >
< span class = "reserved" > inter_error_message< / span > < span class = "plain" > *< / span > < span class = "identifier" > iem< / span > < span class = "plain" > = < / span > < span class = "functiontext" > Inter::Errors::plain< / span > < span class = "plain" > (< / span > < span class = "identifier" > err< / span > < span class = "plain" > , < / span > < span class = "identifier" > eloc< / span > < span class = "plain" > );< / span >
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< span class = "identifier" > iem< / span > < span class = "plain" > -> < / span > < span class = "element" > error_quote< / span > < span class = "plain" > = < / span > < span class = "identifier" > Str::duplicate< / span > < span class = "plain" > (< / span > < span class = "identifier" > quote< / span > < span class = "plain" > );< / span >
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< span class = "reserved" > return< / span > < span class = "plain" > < / span > < span class = "identifier" > iem< / span > < span class = "plain" > ;< / span >
< span class = "plain" > }< / span >
< span class = "reserved" > inter_error_message< / span > < span class = "plain" > *< / span > < span class = "functiontext" > Inter::Errors::plain< / span > < span class = "plain" > (< / span > < span class = "identifier" > text_stream< / span > < span class = "plain" > *< / span > < span class = "identifier" > err< / span > < span class = "plain" > , < / span > < span class = "reserved" > inter_error_location< / span > < span class = "plain" > *< / span > < span class = "identifier" > eloc< / span > < span class = "plain" > ) {< / span >
< span class = "reserved" > inter_error_message< / span > < span class = "plain" > *< / span > < span class = "identifier" > iem< / span > < span class = "plain" > = < / span > < span class = "identifier" > CREATE< / span > < span class = "plain" > (< / span > < span class = "reserved" > inter_error_message< / span > < span class = "plain" > );< / span >
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< span class = "identifier" > iem< / span > < span class = "plain" > -> < / span > < span class = "element" > error_body< / span > < span class = "plain" > = < / span > < span class = "identifier" > Str::duplicate< / span > < span class = "plain" > (< / span > < span class = "identifier" > err< / span > < span class = "plain" > );< / span >
< span class = "identifier" > iem< / span > < span class = "plain" > -> < / span > < span class = "element" > error_quote< / span > < span class = "plain" > = < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > ;< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > eloc< / span > < span class = "plain" > ) < / span > < span class = "identifier" > iem< / span > < span class = "plain" > -> < / span > < span class = "element" > error_at< / span > < span class = "plain" > = *< / span > < span class = "identifier" > eloc< / span > < span class = "plain" > ;< / span >
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< span class = "reserved" > return< / span > < span class = "plain" > < / span > < span class = "identifier" > iem< / span > < span class = "plain" > ;< / span >
< span class = "plain" > }< / span >
< span class = "reserved" > void< / span > < span class = "plain" > < / span > < span class = "functiontext" > Inter::Errors::issue< / span > < span class = "plain" > (< / span > < span class = "reserved" > inter_error_message< / span > < span class = "plain" > *< / span > < span class = "identifier" > iem< / span > < span class = "plain" > ) {< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > iem< / span > < span class = "plain" > == < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > ) < / span > < span class = "identifier" > internal_error< / span > < span class = "plain" > (< / span > < span class = "string" > "no error to issue"< / span > < span class = "plain" > );< / span >
< span class = "functiontext" > Inter::Errors::issue_to< / span > < span class = "plain" > (< / span > < span class = "identifier" > STDERR< / span > < span class = "plain" > , < / span > < span class = "identifier" > iem< / span > < span class = "plain" > );< / span >
< span class = "plain" > #< / span > < span class = "identifier" > ifdef< / span > < span class = "plain" > < / span > < span class = "identifier" > CORE_MODULE< / span >
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< span class = "identifier" > LOG< / span > < span class = "plain" > (< / span > < span class = "string" > "Inter error:\n"< / span > < span class = "plain" > );< / span >
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< span class = "functiontext" > Inter::Errors::issue_to< / span > < span class = "plain" > (< / span > < span class = "identifier" > DL< / span > < span class = "plain" > , < / span > < span class = "identifier" > iem< / span > < span class = "plain" > );< / span >
< span class = "plain" > #< / span > < span class = "identifier" > endif< / span >
< span class = "plain" > }< / span >
< span class = "reserved" > void< / span > < span class = "plain" > < / span > < span class = "functiontext" > Inter::Errors::issue_to< / span > < span class = "plain" > (< / span > < span class = "identifier" > OUTPUT_STREAM< / span > < span class = "plain" > , < / span > < span class = "reserved" > inter_error_message< / span > < span class = "plain" > *< / span > < span class = "identifier" > iem< / span > < span class = "plain" > ) {< / span >
< span class = "identifier" > TEMPORARY_TEXT< / span > < span class = "plain" > (< / span > < span class = "identifier" > E< / span > < span class = "plain" > );< / span >
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< span class = "identifier" > WRITE_TO< / span > < span class = "plain" > (< / span > < span class = "identifier" > E< / span > < span class = "plain" > , < / span > < span class = "string" > "%S"< / span > < span class = "plain" > , < / span > < span class = "identifier" > iem< / span > < span class = "plain" > -> < / span > < span class = "element" > error_body< / span > < span class = "plain" > );< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > iem< / span > < span class = "plain" > -> < / span > < span class = "element" > error_quote< / span > < span class = "plain" > )< / span >
< span class = "identifier" > WRITE_TO< / span > < span class = "plain" > (< / span > < span class = "identifier" > E< / span > < span class = "plain" > , < / span > < span class = "string" > ": '%S'"< / span > < span class = "plain" > , < / span > < span class = "identifier" > iem< / span > < span class = "plain" > -> < / span > < span class = "element" > error_quote< / span > < span class = "plain" > );< / span >
< span class = "reserved" > inter_error_location< / span > < span class = "plain" > < / span > < span class = "identifier" > eloc< / span > < span class = "plain" > = < / span > < span class = "identifier" > iem< / span > < span class = "plain" > -> < / span > < span class = "identifier" > error_at< / span > < span class = "plain" > ;< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > eloc< / span > < span class = "plain" > .< / span > < span class = "element" > error_interb< / span > < span class = "plain" > ) {< / span >
< span class = "identifier" > WRITE< / span > < span class = "plain" > (< / span > < span class = "string" > "%f, position %08x: "< / span > < span class = "plain" > , < / span > < span class = "identifier" > eloc< / span > < span class = "plain" > .< / span > < span class = "element" > error_interb< / span > < span class = "plain" > , < / span > < span class = "identifier" > eloc< / span > < span class = "plain" > .< / span > < span class = "element" > error_offset< / 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" > eloc< / span > < span class = "plain" > .< / span > < span class = "element" > error_tfp< / span > < span class = "plain" > )< / span >
< span class = "identifier" > Errors::in_text_file_S< / span > < span class = "plain" > (< / span > < span class = "identifier" > E< / span > < span class = "plain" > , < / span > < span class = "identifier" > eloc< / span > < span class = "plain" > .< / span > < span class = "element" > error_tfp< / span > < span class = "plain" > );< / span >
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< span class = "reserved" > else< / span >
< span class = "identifier" > Errors::in_text_file_S< / span > < span class = "plain" > (< / span > < span class = "identifier" > E< / span > < span class = "plain" > , < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > );< / span >
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< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > eloc< / span > < span class = "plain" > .< / span > < span class = "element" > error_line< / span > < span class = "plain" > )< / span >
< span class = "identifier" > WRITE< / span > < span class = "plain" > (< / span > < span class = "string" > "> --> %S\n"< / span > < span class = "plain" > , < / span > < span class = "identifier" > eloc< / span > < span class = "plain" > .< / span > < span class = "element" > error_line< / span > < span class = "plain" > );< / span >
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< span class = "identifier" > DISCARD_TEXT< / span > < span class = "plain" > (< / span > < span class = "identifier" > E< / span > < span class = "plain" > );< / span >
< span class = "plain" > }< / span >
< span class = "reserved" > inter_error_message< / span > < span class = "plain" > *< / span > < span class = "functiontext" > Inter::Errors::gather_first< / span > < span class = "plain" > (< / span > < span class = "reserved" > inter_error_message< / span > < span class = "plain" > *< / span > < span class = "identifier" > E< / span > < span class = "plain" > , < / span > < span class = "reserved" > inter_error_message< / span > < span class = "plain" > *< / span > < span class = "identifier" > F< / span > < span class = "plain" > ) {< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > E< / span > < span class = "plain" > ) < / span > < span class = "reserved" > return< / span > < span class = "plain" > < / span > < span class = "identifier" > E< / span > < span class = "plain" > ;< / span >
< span class = "reserved" > return< / span > < span class = "plain" > < / span > < span class = "identifier" > F< / span > < span class = "plain" > ;< / span >
< span class = "plain" > }< / span >
< / pre >
< p class = "inwebparagraph" > < / p >
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< p class = "endnote" > The function Inter::Errors::file_location is used in 2/in (< a href = "2-in.html#SP6" > § 6< / a > ), 2/tw (< a href = "2-tw.html#SP3" > § 3< / a > ), 3/iitf (< a href = "3-iitf.html#SP1" > § 1< / a > ).< / p >
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< p class = "endnote" > The function Inter::Errors::interb_location is used in 2/tw (< a href = "2-tw.html#SP3" > § 3< / a > ), 3/iibf (< a href = "3-iibf.html#SP1" > § 1< / a > ).< / p >
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< p class = "endnote" > The function Inter::Errors::quoted is used in 2/st (< a href = "2-st.html#SP10" > § 10< / a > ), 3/iitf (< a href = "3-iitf.html#SP1" > § 1< / a > ), 3/idt (< a href = "3-idt.html#SP3" > § 3< / a > ), 4/tmc (< a href = "4-tmc.html#SP2" > § 2< / a > ), 4/tpc (< a href = "4-tpc.html#SP2" > § 2< / a > ), 4/tkc (< a href = "4-tkc.html#SP2" > § 2< / a > ), 4/tcc2 (< a href = "4-tcc2.html#SP2" > § 2< / a > ), 4/tic (< a href = "4-tic.html#SP2" > § 2< / a > ), 4/tpc5 (< a href = "4-tpc5.html#SP2" > § 2< / a > ), 4/tpc6 (< a href = "4-tpc6.html#SP2" > § 2< / a > ), 4/tpc7 (< a href = "4-tpc7.html#SP2" > § 2< / a > ), 5/tic (< a href = "5-tic.html#SP2" > § 2< / a > ).< / p >
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< p class = "endnote" > The function Inter::Errors::plain is used in 3/dfn (< a href = "3-dfn.html#SP3" > § 3< / a > , < a href = "3-dfn.html#SP4" > § 4< / a > ), 3/iibf (< a href = "3-iibf.html#SP3" > § 3< / a > ), 4/tcc (< a href = "4-tcc.html#SP1" > § 1< / a > ), 4/tsc (< a href = "4-tsc.html#SP1" > § 1< / a > ), 4/tvc (< a href = "4-tvc.html#SP2" > § 2< / a > ), 4/tpc (< a href = "4-tpc.html#SP2" > § 2< / a > ), 4/tlc (< a href = "4-tlc.html#SP2" > § 2< / a > ), 4/tac (< a href = "4-tac.html#SP2" > § 2< / a > ), 4/tpc2 (< a href = "4-tpc2.html#SP2" > § 2< / a > ), 4/tkc (< a href = "4-tkc.html#SP2" > § 2< / a > ), 4/tcc2 (< a href = "4-tcc2.html#SP2" > § 2< / a > ), 4/trc (< a href = "4-trc.html#SP2" > § 2< / a > ), 4/tic (< a href = "4-tic.html#SP2" > § 2< / a > ), 4/tpc5 (< a href = "4-tpc5.html#SP2" > § 2< / a > ), 4/tpc6 (< a href = "4-tpc6.html#SP2" > § 2< / a > ), 4/tpc7 (< a href = "4-tpc7.html#SP2" > § 2< / a > ), 5/tlc (< a href = "5-tlc.html#SP2" > § 2< / a > ), 5/tlc2 (< a href = "5-tlc2.html#SP2" > § 2< / a > ), 5/tic (< a href = "5-tic.html#SP2" > § 2< / a > ), 5/trc (< a href = "5-trc.html#SP2" > § 2< / a > ), 5/tvc (< a href = "5-tvc.html#SP2" > § 2< / a > ), 5/tlc3 (< a href = "5-tlc3.html#SP2" > § 2< / a > ), 5/tcc (< a href = "5-tcc.html#SP2" > § 2< / a > ), 5/tec (< a href = "5-tec.html#SP2" > § 2< / a > ), 5/trc2 (< a href = "5-trc2.html#SP2" > § 2< / a > ), 5/tcc2 (< a href = "5-tcc2.html#SP2" > § 2< / a > ), 5/tsc (< a href = "5-tsc.html#SP2" > § 2< / a > ).< / p >
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< p class = "endnote" > The function Inter::Errors::issue is used in 2/st (< a href = "2-st.html#SP10" > § 10< / a > ), 2/trn (< a href = "2-trn.html#SP3_1_1" > § 3.1.1< / a > , < a href = "2-trn.html#SP3_2_1" > § 3.2.1< / a > ), 3/iibf (< a href = "3-iibf.html#SP1_6" > § 1.6< / a > , < a href = "3-iibf.html#SP3" > § 3< / a > ), 3/iitf (< a href = "3-iitf.html#SP1" > § 1< / a > , < a href = "3-iitf.html#SP2" > § 2< / a > ).< / p >
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< p class = "endnote" > The function Inter::Errors::issue_to appears nowhere else.< / p >
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< p class = "endnote" > The function Inter::Errors::gather_first appears nowhere else.< / p >
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< p class = "endnote" > The structure inter_error_location is accessed in 2/tw, 3/iibf and here.< / p >
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< p class = "endnote" > The structure inter_error_message is accessed in 2/in and here.< / p >
< p class = "inwebparagraph" > < a id = "SP2" > < / a > < b > § 2. < / b > < / p >
< pre class = "display" >
< span class = "reserved" > void< / span > < span class = "plain" > < / span > < span class = "functiontext" > Inter::Errors::backtrace< / span > < span class = "plain" > (< / span > < span class = "identifier" > OUTPUT_STREAM< / span > < span class = "plain" > , < / span > < span class = "reserved" > inter_tree_node< / span > < span class = "plain" > *< / span > < span class = "identifier" > F< / span > < span class = "plain" > ) {< / span >
< span class = "reserved" > inter_tree_node< / span > < span class = "plain" > *< / span > < span class = "identifier" > X< / span > < span class = "plain" > = < / span > < span class = "identifier" > F< / span > < span class = "plain" > ;< / span >
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< span class = "reserved" > int< / span > < span class = "plain" > < / span > < span class = "identifier" > n< / span > < span class = "plain" > = < / span > < span class = "constant" > 0< / span > < span class = "plain" > ;< / span >
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< span class = "reserved" > while< / span > < span class = "plain" > (< / span > < span class = "identifier" > TRUE< / span > < span class = "plain" > ) {< / span >
< span class = "identifier" > X< / span > < span class = "plain" > = < / span > < span class = "functiontext" > Inter::Tree::parent< / span > < span class = "plain" > (< / span > < span class = "identifier" > X< / span > < span class = "plain" > );< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > X< / span > < span class = "plain" > == < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > ) < / span > < span class = "reserved" > break< / span > < span class = "plain" > ;< / span >
< span class = "identifier" > n< / span > < span class = "plain" > ++;< / span >
< span class = "plain" > }< / span >
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< 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" > = < / span > < span class = "identifier" > n< / span > < span class = "plain" > ; < / span > < span class = "identifier" > i< / span > < span class = "plain" > > = < / span > < span class = "constant" > 0< / span > < span class = "plain" > ; < / span > < span class = "identifier" > i< / span > < span class = "plain" > --) {< / span >
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< span class = "reserved" > inter_tree_node< / span > < span class = "plain" > *< / span > < span class = "identifier" > X< / span > < span class = "plain" > = < / span > < span class = "identifier" > F< / span > < span class = "plain" > ;< / span >
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< span class = "reserved" > int< / span > < span class = "plain" > < / span > < span class = "identifier" > m< / span > < span class = "plain" > = < / span > < span class = "constant" > 0< / span > < span class = "plain" > ;< / span >
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< span class = "reserved" > while< / span > < span class = "plain" > (< / span > < span class = "identifier" > TRUE< / span > < span class = "plain" > ) {< / span >
< span class = "reserved" > inter_tree_node< / span > < span class = "plain" > *< / span > < span class = "identifier" > Y< / span > < span class = "plain" > = < / span > < span class = "functiontext" > Inter::Tree::parent< / span > < span class = "plain" > (< / span > < span class = "identifier" > X< / span > < span class = "plain" > );< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > Y< / span > < span class = "plain" > == < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > ) < / span > < span class = "reserved" > break< / span > < span class = "plain" > ;< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > m< / span > < span class = "plain" > == < / span > < span class = "identifier" > i< / span > < span class = "plain" > ) {< / span >
< span class = "identifier" > WRITE< / span > < span class = "plain" > (< / span > < span class = "string" > "%2d. "< / span > < span class = "plain" > , (< / span > < span class = "identifier" > n< / span > < span class = "plain" > -< / span > < span class = "identifier" > i< / span > < span class = "plain" > ));< / span >
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< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > i< / span > < span class = "plain" > == < / span > < span class = "constant" > 0< / span > < span class = "plain" > ) < / span > < span class = "identifier" > WRITE< / span > < span class = "plain" > (< / span > < span class = "string" > "** "< / span > < span class = "plain" > ); < / span > < span class = "reserved" > else< / span > < span class = "plain" > < / span > < span class = "identifier" > WRITE< / span > < span class = "plain" > (< / span > < span class = "string" > " "< / span > < span class = "plain" > );< / span >
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< span class = "functiontext" > Inter::Defn::write_construct_text_allowing_nop< / span > < span class = "plain" > (< / span > < span class = "identifier" > OUT< / span > < span class = "plain" > , < / span > < span class = "identifier" > X< / span > < span class = "plain" > );< / span >
< span class = "reserved" > break< / span > < span class = "plain" > ;< / span >
< span class = "plain" > }< / span >
< span class = "identifier" > X< / span > < span class = "plain" > = < / span > < span class = "identifier" > Y< / span > < span class = "plain" > ;< / span >
< span class = "identifier" > m< / span > < span class = "plain" > ++;< / span >
< span class = "plain" > }< / span >
< span class = "plain" > }< / span >
< span class = "identifier" > LOOP_THROUGH_INTER_CHILDREN< / span > < span class = "plain" > (< / span > < span class = "identifier" > C< / span > < span class = "plain" > , < / span > < span class = "identifier" > F< / span > < span class = "plain" > ) {< / span >
< span class = "identifier" > WRITE< / span > < span class = "plain" > (< / span > < span class = "string" > "%2d. "< / span > < span class = "plain" > , (< / span > < span class = "identifier" > n< / span > < span class = "plain" > +1));< / span >
< span class = "functiontext" > Inter::Defn::write_construct_text_allowing_nop< / span > < span class = "plain" > (< / span > < span class = "identifier" > OUT< / span > < span class = "plain" > , < / span > < span class = "identifier" > C< / span > < span class = "plain" > );< / span >
< span class = "plain" > }< / span >
< span class = "plain" > }< / span >
< / pre >
< p class = "inwebparagraph" > < / p >
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< p class = "endnote" > The function Inter::Errors::backtrace is used in 3/dfn (< a href = "3-dfn.html#SP4" > § 4< / a > ).< / p >
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< hr class = "tocbar" >
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< ul class = "toc" > < li > < a href = "3-idt.html" > Back to 'Inter Data Types'< / a > < / li > < li > < i > (This section ends Chapter 3: Language Definition.)< / i > < / li > < / ul > < hr class = "tocbar" >
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