7058
Snapshot; things seem to be working besides ctrl-r, but we aren't yet rendering only the final line.
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a3ddc1bdb3
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@ -588,9 +588,47 @@ fn render _env: (addr environment) {
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fn render-sandbox screen: (addr screen), functions: (addr handle function), bindings: (addr table), _sandbox: (addr sandbox), top-row: int, left-col: int {
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var sandbox/esi: (addr sandbox) <- copy _sandbox
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#? print-string 0, "rendering sandbox from "
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#? print-int32-decimal 0, left-col
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#? print-string 0, "\n"
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# line
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var curr-line-ah/eax: (addr handle line) <- get sandbox, data
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var _curr-line/eax: (addr line) <- lookup *curr-line-ah
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var curr-line/ecx: (addr line) <- copy _curr-line
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#
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var curr-row/edx: int <- copy top-row
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# cursor row, col
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var cursor-row: int
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var cursor-row-addr: (addr int)
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var tmp/eax: (addr int) <- address cursor-row
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copy-to cursor-row-addr, tmp
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var cursor-col: int
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var cursor-col-addr: (addr int)
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tmp <- address cursor-col
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copy-to cursor-col-addr, tmp
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# render all but final line without stack
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{
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var next-line-ah/eax: (addr handle line) <- get curr-line, next
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var next-line/eax: (addr line) <- lookup *next-line-ah
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compare next-line, 0
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break-if-=
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{
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var cursor-call-path-ah/eax: (addr handle call-path-element) <- get sandbox, cursor-call-path
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var cursor-call-path/eax: (addr call-path-element) <- lookup *cursor-call-path-ah
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var cursor-word-ah/eax: (addr handle word) <- get cursor-call-path, word
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var cursor-word/eax: (addr word) <- lookup *cursor-word-ah
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# it's enough to pass in the first word of the path, because if the path isn't a singleton the word is guaranteed to be unique
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render-line-without-stack screen, curr-line, curr-row, left-col, cursor-word, cursor-row-addr, cursor-col-addr
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}
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curr-line <- copy next-line
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curr-row <- increment
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loop
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}
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#
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render-final-line-with-stack screen, functions, bindings, sandbox, curr-row, left-col, cursor-row-addr, cursor-col-addr
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render-rename-dialog screen, sandbox, cursor-row, cursor-col
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move-cursor screen, cursor-row, cursor-col
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}
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fn render-final-line-with-stack screen: (addr screen), functions: (addr handle function), bindings: (addr table), _sandbox: (addr sandbox), top-row: int, left-col: int, cursor-row-addr: (addr int), cursor-col-addr: (addr int) {
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var sandbox/esi: (addr sandbox) <- copy _sandbox
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# expanded-words
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var expanded-words/edi: (addr handle call-path) <- get sandbox, expanded-words
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# line
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@ -603,9 +641,6 @@ fn render-sandbox screen: (addr screen), functions: (addr handle function), bind
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var cursor-word-ah/eax: (addr handle word) <- get cursor-call-path, word
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var _cursor-word/eax: (addr word) <- lookup *cursor-word-ah
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var cursor-word/ebx: (addr word) <- copy _cursor-word
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#? print-string 0, "cursor word is "
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#? print-word 0, cursor-word
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#? print-string 0, "\n"
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# cursor-col
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var cursor-col: int
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var cursor-col-a/edx: (addr int) <- address cursor-col
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@ -620,13 +655,7 @@ fn render-sandbox screen: (addr screen), functions: (addr handle function), bind
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var curr-path/eax: (addr handle call-path-element) <- address curr-path-storage
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allocate curr-path # leak
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initialize-path-from-sandbox sandbox, curr-path
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#? print-string 0, "==\n"
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var dummy/ecx: int <- render-line screen, functions, 0, line, expanded-words, 3, left-col, curr-path, cursor-word, cursor-call-path, cursor-col-a # input-row=3
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# if necessary, draw the rename-word modal dialog
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var cursor-row/eax: int <- call-depth-at-cursor _sandbox
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render-rename-dialog screen, sandbox, cursor-row, cursor-col
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# Finally, position the cursor correctly.
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move-cursor screen, cursor-row, cursor-col
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var dummy/ecx: int <- render-line screen, functions, 0, line, expanded-words, top-row, left-col, curr-path, cursor-word, cursor-call-path, cursor-row-addr, cursor-col-addr
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}
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fn render-rename-dialog screen: (addr screen), _sandbox: (addr sandbox), cursor-row: int, cursor-col: int {
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@ -671,6 +700,49 @@ fn render-rename-dialog screen: (addr screen), _sandbox: (addr sandbox), cursor-
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print-word screen, word
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}
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# Render just the words in 'line'.
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fn render-line-without-stack screen: (addr screen), _line: (addr line), curr-row: int, left-col: int, cursor-word: (addr word), cursor-row-addr: (addr int), cursor-col-addr: (addr int) {
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# curr-word
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var line/eax: (addr line) <- copy _line
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var first-word-ah/eax: (addr handle word) <- get line, data
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var _curr-word/eax: (addr word) <- lookup *first-word-ah
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var curr-word/esi: (addr word) <- copy _curr-word
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#
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# loop-carried dependency
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var curr-col/ecx: int <- copy left-col
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#
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{
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compare curr-word, 0
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break-if-=
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var old-col/edx: int <- copy curr-col
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reset-formatting screen
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move-cursor screen, curr-row, curr-col
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print-word screen, curr-word
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{
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var max-width/eax: int <- word-length curr-word
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curr-col <- add max-width
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curr-col <- add 1 # margin-right
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}
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# cache cursor column if necessary
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{
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compare curr-word, cursor-word
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break-if-=
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var dest/ecx: (addr int) <- copy cursor-row-addr
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var src/eax: int <- copy curr-row
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copy-to *dest, src
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dest <- copy cursor-col-addr
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copy-to *dest, old-col
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var cursor-index-in-word/eax: int <- cursor-index curr-word
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add-to *dest, cursor-index-in-word
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}
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# loop update
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var next-word-ah/edx: (addr handle word) <- get curr-word, next
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var _curr-word/eax: (addr word) <- lookup *next-word-ah
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curr-word <- copy _curr-word
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loop
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}
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}
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fn call-depth-at-cursor _sandbox: (addr sandbox) -> result/eax: int {
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var sandbox/esi: (addr sandbox) <- copy _sandbox
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var cursor-call-path/edi: (addr handle call-path-element) <- get sandbox, cursor-call-path
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@ -696,7 +768,7 @@ fn call-path-element-length _x: (addr handle call-path-element) -> result/eax: i
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# Also render any expanded function calls using recursive calls.
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#
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# Along the way, compute the column the cursor should be positioned at (cursor-col-a).
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fn render-line screen: (addr screen), functions: (addr handle function), bindings: (addr table), _line: (addr line), expanded-words: (addr handle call-path), top-row: int, left-col: int, curr-path: (addr handle call-path-element), cursor-word: (addr word), cursor-call-path: (addr handle call-path-element), cursor-col-a: (addr int) -> right-col/ecx: int {
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fn render-line screen: (addr screen), functions: (addr handle function), bindings: (addr table), _line: (addr line), expanded-words: (addr handle call-path), top-row: int, left-col: int, curr-path: (addr handle call-path-element), cursor-word: (addr word), cursor-call-path: (addr handle call-path-element), cursor-row-addr: (addr int), cursor-col-addr: (addr int) -> right-col/ecx: int {
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#? print-string 0, "--\n"
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# curr-word
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var line/esi: (addr line) <- copy _line
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@ -770,7 +842,7 @@ fn render-line screen: (addr screen), functions: (addr handle function), binding
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var callee-body-first-word/edx: (addr handle word) <- get callee-body, data
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# - render subsidiary stack
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push-to-call-path-element curr-path, callee-body-first-word # leak
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curr-col <- render-line screen, functions, callee-bindings, callee-body, expanded-words, top-row, curr-col, curr-path, cursor-word, cursor-call-path, cursor-col-a
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curr-col <- render-line screen, functions, callee-bindings, callee-body, expanded-words, top-row, curr-col, curr-path, cursor-word, cursor-call-path, cursor-row-addr, cursor-col-addr
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drop-from-call-path-element curr-path
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#
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move-cursor screen, top-row, curr-col
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@ -794,7 +866,12 @@ fn render-line screen: (addr screen), functions: (addr handle function), binding
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compare found?, 0 # false
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break-if-= $render-line:cache-cursor-column
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}
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var dest/edi: (addr int) <- copy cursor-col-a
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var dest/edi: (addr int) <- copy cursor-row-addr
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{
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var src/eax: int <- copy top-row
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copy-to *dest, src
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}
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dest <- copy cursor-col-addr
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copy-to *dest, old-col
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var cursor-index-in-word/eax: int <- cursor-index curr-word
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add-to *dest, cursor-index-in-word
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@ -77,15 +77,9 @@ fn test {
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initialize-environment-with-fake-screen env, 5, 0xa
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var g/eax: grapheme <- copy 0x31 # '1'
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process env, g
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g <- copy 0x20 # space
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process env, g
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g <- copy 0x32 # '2'
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process env, g
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g <- copy 0x12 # ctrl-r
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process env, g
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g <- copy 0x61 # 'a'
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process env, g
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g <- copy 0xa # newline
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g <- copy 0x20 # space
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process env, g
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render env
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}
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@ -50,6 +50,9 @@ fn evaluate functions: (addr handle function), bindings: (addr table), scratch:
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}
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# if curr-stream defines a binding, save top of stack to bindings
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{
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var done?/eax: boolean <- stream-empty? curr-stream
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compare done?, 0 # false
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break-if-!=
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var new-byte/eax: byte <- read-byte curr-stream
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compare new-byte, 0x3d # '='
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break-if-!=
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