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author | olpc user <olpc@xo-5d-f7-86.localdomain> | 2020-01-10 14:55:19 -0800 |
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committer | olpc user <olpc@xo-5d-f7-86.localdomain> | 2020-01-10 14:55:19 -0800 |
commit | c8bb547bea279af2bb48c13260f98aa8add07131 (patch) | |
tree | 7f64265d514dc50427d2e5d8a70e09a46927dfbd /intellect-framework-from-internet/starts/meaning-vm/level-2-wip-stmtexprs/funcs.cpp | |
parent | 5601d1f3324c30651ad3f264ac2d6e7f12ea8b34 (diff) | |
download | standingwithresilience-c8bb547bea279af2bb48c13260f98aa8add07131.tar.gz standingwithresilience-c8bb547bea279af2bb48c13260f98aa8add07131.zip |
move intellect-framework-from-internet into folder
Diffstat (limited to 'intellect-framework-from-internet/starts/meaning-vm/level-2-wip-stmtexprs/funcs.cpp')
-rw-r--r-- | intellect-framework-from-internet/starts/meaning-vm/level-2-wip-stmtexprs/funcs.cpp | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/intellect-framework-from-internet/starts/meaning-vm/level-2-wip-stmtexprs/funcs.cpp b/intellect-framework-from-internet/starts/meaning-vm/level-2-wip-stmtexprs/funcs.cpp new file mode 100644 index 0000000..d746f13 --- /dev/null +++ b/intellect-framework-from-internet/starts/meaning-vm/level-2-wip-stmtexprs/funcs.cpp @@ -0,0 +1,69 @@ +#include "funcs.hpp" + +using namespace intellect; +using namespace level2; +using namespace concepts; + +static ref refassigned(ref expr) +{ + ref lhs = ref.get(left-operand); + ref rhs = ref.get(right-operand); + if (lhs.isa(link) && lhs.get(link-target) == unknown) { + // completes the target of a link, for a[b] = c + lhs.unlink(link-target, unknown); + lhs.set(link-target, rhs); + ref.unlink(right-operand, rhs); + ref src = lhs.get(link-source); + if (lhs.get(link-type) != unknown && src != unknown) { + src.set(lhs.get(link-type), rhs); + return src; + } else { + throw std::logic_error("not sure what to do with incomplete link assignment"); + } + } else if (isanonymous(rhs) && !isanonymous(lhs)) { + // assignment of anonymous content to empty named concept + ref.unlink(left-operand, lhs); + return level1::movetoname(rhs, lhs); + } else { + throw std::logic_error("unexpected bare assignment"); + } +} +// maybe later we can have ref class itself do operators completely based on its own +// ref content. + +statementref assignop(ref self, ref other) +{ + return statementref::makebinary( + self, concepts::assign, other, + refassigned, refassigned + ); +} +statementref commaop(ref self, ref other) +{ + if (self.isa(comma-expression)) { + if (other.isa(comma-expression)) { + for (auto & l : other.links()) { self.insert(l.first, l.second); } + dealloc(other); + } else { + self.link(topic, other); + } + return self; + } else if (other.isa(comma-expression)) { + other.link(topic, self); + return other; + } else { + return statementcallref::makebinary( + self, comma, other, + [](ref)->ref { return ref; }, + // um when we pass the comma-expression to + // the [] operator that takes a ref + // the destructor of statementref will deallocate it. + [](ref) { throw std::logic_error("bare comma-expression"); } + // something is wrong here. some approach is wrong. + // would it be better to have ref itself do it all? + ); + } +} +ref subop(ref self, ref other) +{ +} |