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8a19f60386
- Reorder README to have implementation list after "learning tool" bullet. - This also moves tests/ and libs/ into impls. It would be preferrable to have these directories at the top level. However, this causes difficulties with the wasm implementations which need pre-open directories and have trouble with paths starting with "../../". So in lieu of that, symlink those directories to the top-level. - Move the run_argv_test.sh script into the tests directory for general hygiene.
68 lines
2.0 KiB
Matlab
68 lines
2.0 KiB
Matlab
classdef Env < handle
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properties
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data
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outer
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end
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methods
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function env = Env(outer, binds, exprs)
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if exist('OCTAVE_VERSION', 'builtin') ~= 0
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env.data = Dict();
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else
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env.data = containers.Map();
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end
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if nargin == 0
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env.outer = false;
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else
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% Workaround Octave calling bug when the first
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% argument is the same type as the class (the class is
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% not properly initialized in that case)
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env.outer = outer{1};
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end
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if nargin > 1
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%env = Env(outer);
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for i=1:length(binds)
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k = binds.get(i).name;
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if strcmp(k, '&')
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env.data(binds.get(i+1).name) = exprs.slice(i);
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break;
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else
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env.data(k) = exprs.get(i);
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end
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end
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end
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end
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function ret = set(env, k, v)
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env.data(k.name) = v;
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ret = v;
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end
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function ret = find(env, k)
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if env.data.isKey(k.name)
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ret = env;
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else
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if ~islogical(env.outer)
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ret = env.outer.find(k);
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else
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ret = false;
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end
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end
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end
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function ret = get(env, k)
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fenv = env.find(k);
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if ~islogical(fenv)
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ret = fenv.data(k.name);
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else
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if exist('OCTAVE_VERSION', 'builtin') ~= 0
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error('ENV:notfound', ...
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sprintf('''%s'' not found', k.name));
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else
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throw(MException('ENV:notfound', ...
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sprintf('''%s'' not found', k.name)));
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end
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end
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end
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end
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end
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