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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.
50 lines
1018 B
Plaintext
50 lines
1018 B
Plaintext
(module $step0_repl
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;; READ
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(func $READ (param $str i32) (result i32)
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$str
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)
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(func $EVAL (param $ast i32) (param $env i32) (result i32)
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$ast
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)
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;; PRINT
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(func $PRINT (param $ast i32) (result i32)
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$ast
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)
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;; REPL
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(func $rep (param $line i32) (result i32)
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($PRINT ($EVAL ($READ $line) 0))
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)
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(func $main (param $argc i32 $argv i32) (result i32)
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;; Constant location/value definitions
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(LET $line (STATIC_ARRAY 201))
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;; DEBUG
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;;($printf_1 "memoryBase: 0x%x\n" (global.get $memoryBase))
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;; Start REPL
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(block $repl_done
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(loop $repl_loop
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(br_if $repl_done (i32.eqz ($readline "user> " $line)))
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(br_if $repl_loop (i32.eq (i32.load8_u $line) 0))
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($printf_1 "%s\n" ($rep $line))
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(br $repl_loop)
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)
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)
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($print "\n")
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0
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)
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;; init_memory is provided by mem.wam in later steps but we just
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;; printf in step0 so provide init_memory that just calls that
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(func $init_memory
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($init_printf_mem)
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)
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)
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