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klammertext/mac/command.h

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Initial commit: Klammertext source distribution Curated source subset assembled by klammertext-dev's doc/make_dist.sh: the Klammermachine (mac), the Standard Klammer Set (sks), the commands (com), editor plugins and install guides (doc), a test subset (tst), and lib/bin placeholders. Builds with 'make -C com'. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-18 18:48:23 +02:00
#pragma once
#include <string>
//#include <filesystem>
#include <vector>
#include "file.h"
An output policy for the three commands, and @cond as a true special form A snapshot of the development tree. The substantial changes since the last one: COMMAND OUTPUT POLICY. The three commands display text in exactly three cases, and each owns a stream: LOGGING under "-v" greater than 0 and an ERROR before termination go to STDERR; OUTPUT THE USER ASKED FOR goes to STDOUT. For ktext that output is a document, so "ktext doc.kt -d | ..." is now safe -- logging used to share the stream and land inside the document. A bare command prints its usage and succeeds rather than failing. Colour is emitted only to a terminal, per stream, and NO_COLOR is honoured. "-v 1" reports every decision whose outcome you could not have read off your own input: the klammerset that was loaded and from which file, a font's directory, a ":files" name's file, how "-o" was expanded. Higher levels are the trace. The commands no longer warn and continue: an anomaly is an error, described with its location. Two exceptions remain, each for a stated reason -- a condition that is expected and temporary by design, and a judgment that is a heuristic rather than exact. @cond IS NOW A TRUE SPECIAL FORM, resolved at APPLICATION time rather than when the file is read. Two consequences for a writer: * a state variable reaches the predicate. "@@@state Flag :value true @@@ @cond *Flag* | T | F @" renders "T"; it used to see the literal "*Flag*" and silently take the false branch. The document now behaves like a klammer body, whose arguments are bound before its conditionals are decided. * nothing in a discarded branch happens -- it is not read, not evaluated, not expanded. An @eval in the branch not taken used to run anyway. Its predicate relation is total and strict: true, True, 1; false, False, 0, and empty; anything else is an error at the @cond rather than silently false. @eval REACHING OUTSIDE. ":shell" and ":haskell" now keep the command's standard error out of the document (it appears under "-v 1") and treat a nonzero exit as an error naming what the command reported. A command that exits nonzero on purpose -- "grep" finding no match -- says so with "|| true". KLAMMER SETS. Several combine: "--klammersets a b c" loads all three in the order given, sharing one namespace, with the definition modes deciding collisions. "none" means none and may not be combined with other symbols. A klammerset with symbol X is declared in a file X/X.k, which is what lets two sets require the same third set without loading it twice. TESTS. Four new suites: the kdiag command's interface, the @eval primitive's contract with the outside world, and verbosity at both tiers. Three suites that could not run on macOS at all now do. Assembled from dev commit 6c8ee6c22fca.
2026-08-16 01:37:59 +02:00
#include "util.h"
class Machine;
Initial commit: Klammertext source distribution Curated source subset assembled by klammertext-dev's doc/make_dist.sh: the Klammermachine (mac), the Standard Klammer Set (sks), the commands (com), editor plugins and install guides (doc), a test subset (tst), and lib/bin placeholders. Builds with 'make -C com'. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-18 18:48:23 +02:00
void set_verbose_level(int argc, char* argv[]);
bool show_usage(int argc, char* argv[]);
fs::path construct_command_pathname(char* command);
std::tuple<std::string, std::string, std::string, std::string, bool, bool>
parse_args(
const std::vector<std::string>& input_filenames, std::string target,
std::string output_basename, bool display_only);
An output policy for the three commands, and @cond as a true special form A snapshot of the development tree. The substantial changes since the last one: COMMAND OUTPUT POLICY. The three commands display text in exactly three cases, and each owns a stream: LOGGING under "-v" greater than 0 and an ERROR before termination go to STDERR; OUTPUT THE USER ASKED FOR goes to STDOUT. For ktext that output is a document, so "ktext doc.kt -d | ..." is now safe -- logging used to share the stream and land inside the document. A bare command prints its usage and succeeds rather than failing. Colour is emitted only to a terminal, per stream, and NO_COLOR is honoured. "-v 1" reports every decision whose outcome you could not have read off your own input: the klammerset that was loaded and from which file, a font's directory, a ":files" name's file, how "-o" was expanded. Higher levels are the trace. The commands no longer warn and continue: an anomaly is an error, described with its location. Two exceptions remain, each for a stated reason -- a condition that is expected and temporary by design, and a judgment that is a heuristic rather than exact. @cond IS NOW A TRUE SPECIAL FORM, resolved at APPLICATION time rather than when the file is read. Two consequences for a writer: * a state variable reaches the predicate. "@@@state Flag :value true @@@ @cond *Flag* | T | F @" renders "T"; it used to see the literal "*Flag*" and silently take the false branch. The document now behaves like a klammer body, whose arguments are bound before its conditionals are decided. * nothing in a discarded branch happens -- it is not read, not evaluated, not expanded. An @eval in the branch not taken used to run anyway. Its predicate relation is total and strict: true, True, 1; false, False, 0, and empty; anything else is an error at the @cond rather than silently false. @eval REACHING OUTSIDE. ":shell" and ":haskell" now keep the command's standard error out of the document (it appears under "-v 1") and treat a nonzero exit as an error naming what the command reported. A command that exits nonzero on purpose -- "grep" finding no match -- says so with "|| true". KLAMMER SETS. Several combine: "--klammersets a b c" loads all three in the order given, sharing one namespace, with the definition modes deciding collisions. "none" means none and may not be combined with other symbols. A klammerset with symbol X is declared in a file X/X.k, which is what lets two sets require the same third set without loading it twice. TESTS. Four new suites: the kdiag command's interface, the @eval primitive's contract with the outside world, and verbosity at both tiers. Three suites that could not run on macOS at all now do. Assembled from dev commit 6c8ee6c22fca.
2026-08-16 01:37:59 +02:00
void load_klammersets(Machine& machine, const strings_t& symbols);
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