parent
64bf0e8b97
commit
73b7be20eb
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@ -29,8 +29,8 @@ fn render fs: (addr file-state), state: (addr screen-position-state) {
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}
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fn render-normal fs: (addr file-state), state: (addr screen-position-state) {
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var newline-seen?/esi: boolean <- copy 0 # false
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var start-of-paragraph?/edi: boolean <- copy 1 # true
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var newline-seen?/esi: boolean <- copy 0 # false
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var start-of-paragraph?/edi: boolean <- copy 1 # true
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$render-normal:loop: {
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# if done-drawing?(state) break
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var done?/eax: boolean <- done-drawing? state
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@ -123,7 +123,7 @@ $render-normal:flush-buffered-newline: {
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add-char state, c
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#
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loop
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}
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} # $render-normal:loop
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}
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fn render-header-line fs: (addr file-state), state: (addr screen-position-state) {
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@ -29,103 +29,103 @@ fn render fs: (addr file-state), state: (addr screen-position-state) {
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}
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fn render-normal fs: (addr file-state), state: (addr screen-position-state) {
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var newline-seen?/esi: boolean <- copy 0 # false
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var start-of-paragraph?/edi: boolean <- copy 1 # true
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var previous-char/ebx: byte <- copy 0
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var newline-seen?/esi: boolean <- copy 0 # false
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var start-of-paragraph?/edi: boolean <- copy 1 # true
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var previous-char/ebx: byte <- copy 0
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$render-normal:loop: {
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# if done-drawing?(state) break
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var done?/eax: boolean <- done-drawing? state
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compare done?, 0 # false
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break-if-!=
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var c/eax: byte <- next-char fs
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# if done-drawing?(state) break
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var done?/eax: boolean <- done-drawing? state
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compare done?, 0 # false
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break-if-!=
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var c/eax: byte <- next-char fs
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$render-normal:loop-body: {
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# if (c == EOF) break
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compare c, 0xffffffff # EOF marker
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break-if-= $render-normal:loop
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# if (c == EOF) break
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compare c, 0xffffffff # EOF marker
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break-if-= $render-normal:loop
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## if (c == newline) perform some fairly sophisticated parsing for soft newlines
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compare c, 0xa # newline
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## if (c == newline) perform some fairly sophisticated parsing for soft newlines
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compare c, 0xa # newline
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{
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break-if-!=
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# if it's the first newline, buffer it
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compare newline-seen?, 0
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{
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break-if-!=
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# if it's the first newline, buffer it
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compare newline-seen?, 0
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{
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break-if-!=
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newline-seen? <- copy 1 # true
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break $render-normal:loop-body
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}
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# otherwise render two newlines
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{
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break-if-=
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add-char state, 0xa # newline
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add-char state, 0xa # newline
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newline-seen? <- copy 0 # false
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start-of-paragraph? <- copy 1 # true
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break $render-normal:loop-body
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}
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newline-seen? <- copy 1 # true
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break $render-normal:loop-body
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}
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# if start of paragraph and c == '#', switch to header
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compare start-of-paragraph?, 0
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# otherwise render two newlines
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{
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break-if-=
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compare c, 0x23 # '#'
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{
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break-if-!=
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render-header-line fs, state
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newline-seen? <- copy 1 # true
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break $render-normal:loop-body
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}
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}
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# c is not a newline
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start-of-paragraph? <- copy 0 # false
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# if c is unprintable (particularly a '\r' CR), skip it
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compare c, 0x20
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loop-if-<
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# If there's a newline buffered and c is a space, print the buffered
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# newline (hard newline).
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# If there's a newline buffered and c is not a newline or space, print a
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# space (soft newline).
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compare newline-seen?, 0 # false
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$render-normal:flush-buffered-newline: {
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break-if-=
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add-char state, 0xa # newline
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add-char state, 0xa # newline
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newline-seen? <- copy 0 # false
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{
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compare c, 0x20
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break-if-!=
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add-char state, 0xa # newline
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break $render-normal:flush-buffered-newline
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}
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add-char state, 0x20 # space
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# fall through to print c
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}
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## end soft newline support
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# if (c == '*') switch to bold
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compare c, 0x2a # '*'
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{
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break-if-!=
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start-bold
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render-until-asterisk fs, state
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normal-text
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start-of-paragraph? <- copy 1 # true
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break $render-normal:loop-body
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}
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# if (c == '_') switch to bold
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compare c, 0x5f # '_'
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{
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break-if-!=
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start-color 0xec, 7 # 236 = darkish gray
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start-bold
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render-until-underscore fs, state
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reset-formatting
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start-color 0xec, 7 # 236 = darkish gray
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break $render-normal:loop-body
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}
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#
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add-char state, c
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}
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previous-char <- copy c
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loop
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}
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# if start of paragraph and c == '#', switch to header
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compare start-of-paragraph?, 0
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{
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break-if-=
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compare c, 0x23 # '#'
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{
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break-if-!=
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render-header-line fs, state
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newline-seen? <- copy 1 # true
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break $render-normal:loop-body
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}
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}
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# c is not a newline
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start-of-paragraph? <- copy 0 # false
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# if c is unprintable (particularly a '\r' CR), skip it
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compare c, 0x20
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loop-if-<
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# If there's a newline buffered and c is a space, print the buffered
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# newline (hard newline).
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# If there's a newline buffered and c is not a newline or space, print a
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# space (soft newline).
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compare newline-seen?, 0 # false
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$render-normal:flush-buffered-newline: {
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break-if-=
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newline-seen? <- copy 0 # false
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{
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compare c, 0x20
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break-if-!=
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add-char state, 0xa # newline
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break $render-normal:flush-buffered-newline
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}
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add-char state, 0x20 # space
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# fall through to print c
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}
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## end soft newline support
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# if (c == '*') switch to bold
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compare c, 0x2a # '*'
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{
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break-if-!=
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start-bold
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render-until-asterisk fs, state
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normal-text
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break $render-normal:loop-body
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}
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# if (c == '_') switch to bold
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compare c, 0x5f # '_'
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{
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break-if-!=
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start-color 0xec, 7 # 236 = darkish gray
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start-bold
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render-until-underscore fs, state
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reset-formatting
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start-color 0xec, 7 # 236 = darkish gray
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break $render-normal:loop-body
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}
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#
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add-char state, c
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} # $render-normal:loop-body
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previous-char <- copy c
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loop
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} # $render-normal:loop
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}
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fn render-header-line fs: (addr file-state), state: (addr screen-position-state) {
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@ -29,113 +29,113 @@ fn render fs: (addr file-state), state: (addr screen-position-state) {
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}
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fn render-normal fs: (addr file-state), state: (addr screen-position-state) {
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var newline-seen?/esi: boolean <- copy 0 # false
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var start-of-paragraph?/edi: boolean <- copy 1 # true
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var previous-char/ebx: byte <- copy 0
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var newline-seen?/esi: boolean <- copy 0 # false
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var start-of-paragraph?/edi: boolean <- copy 1 # true
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var previous-char/ebx: byte <- copy 0
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$render-normal:loop: {
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# if done-drawing?(state) break
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var done?/eax: boolean <- done-drawing? state
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compare done?, 0 # false
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break-if-!=
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var c/eax: byte <- next-char fs
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# if done-drawing?(state) break
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var done?/eax: boolean <- done-drawing? state
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compare done?, 0 # false
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break-if-!=
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var c/eax: byte <- next-char fs
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$render-normal:loop-body: {
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# if (c == EOF) break
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compare c, 0xffffffff # EOF marker
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break-if-= $render-normal:loop
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# if (c == EOF) break
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compare c, 0xffffffff # EOF marker
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break-if-= $render-normal:loop
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## if (c == newline) perform some fairly sophisticated parsing for soft newlines
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compare c, 0xa # newline
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## if (c == newline) perform some fairly sophisticated parsing for soft newlines
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compare c, 0xa # newline
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{
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break-if-!=
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# if it's the first newline, buffer it
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compare newline-seen?, 0
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{
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break-if-!=
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# if it's the first newline, buffer it
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compare newline-seen?, 0
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{
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break-if-!=
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newline-seen? <- copy 1 # true
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break $render-normal:loop-body
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}
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# otherwise render two newlines
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{
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break-if-=
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add-char state, 0xa # newline
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add-char state, 0xa # newline
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newline-seen? <- copy 0 # false
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start-of-paragraph? <- copy 1 # true
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break $render-normal:loop-body
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}
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newline-seen? <- copy 1 # true
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break $render-normal:loop-body
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}
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# if start of paragraph and c == '#', switch to header
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compare start-of-paragraph?, 0
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# otherwise render two newlines
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{
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break-if-=
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compare c, 0x23 # '#'
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{
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break-if-!=
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render-header-line fs, state
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newline-seen? <- copy 1 # true
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break $render-normal:loop-body
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}
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}
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# c is not a newline
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start-of-paragraph? <- copy 0 # false
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# if c is unprintable (particularly a '\r' CR), skip it
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compare c, 0x20
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loop-if-<
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# If there's a newline buffered and c is a space, print the buffered
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# newline (hard newline).
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# If there's a newline buffered and c is not a newline or space, print a
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# space (soft newline).
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compare newline-seen?, 0 # false
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$render-normal:flush-buffered-newline: {
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break-if-=
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add-char state, 0xa # newline
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add-char state, 0xa # newline
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newline-seen? <- copy 0 # false
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{
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compare c, 0x20
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break-if-!=
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add-char state, 0xa # newline
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break $render-normal:flush-buffered-newline
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}
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add-char state, 0x20 # space
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# fall through to print c
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start-of-paragraph? <- copy 1 # true
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break $render-normal:loop-body
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}
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## end soft newline support
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}
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# if start of paragraph and c == '#', switch to header
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compare start-of-paragraph?, 0
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{
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break-if-=
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compare c, 0x23 # '#'
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{
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break-if-!=
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render-header-line fs, state
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newline-seen? <- copy 1 # true
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break $render-normal:loop-body
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}
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}
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# c is not a newline
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start-of-paragraph? <- copy 0 # false
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# if c is unprintable (particularly a '\r' CR), skip it
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compare c, 0x20
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loop-if-<
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# If there's a newline buffered and c is a space, print the buffered
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# newline (hard newline).
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# If there's a newline buffered and c is not a newline or space, print a
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# space (soft newline).
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compare newline-seen?, 0 # false
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$render-normal:flush-buffered-newline: {
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break-if-=
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newline-seen? <- copy 0 # false
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{
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compare c, 0x20
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break-if-!=
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add-char state, 0xa # newline
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break $render-normal:flush-buffered-newline
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}
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add-char state, 0x20 # space
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# fall through to print c
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}
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## end soft newline support
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$render-normal:whitespace-separated-regions: {
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# if previous-char wasn't whitespace, skip this block
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{
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compare previous-char, 0x20 # space
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break-if-=
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compare previous-char, 0xa # newline
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break-if-=
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break $render-normal:whitespace-separated-regions
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}
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# if (c == '*') switch to bold
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compare c, 0x2a # '*'
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{
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break-if-!=
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start-bold
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render-until-asterisk fs, state
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normal-text
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break $render-normal:loop-body
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}
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# if (c == '_') switch to bold
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compare c, 0x5f # '_'
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{
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break-if-!=
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start-color 0xec, 7 # 236 = darkish gray
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start-bold
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render-until-underscore fs, state
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reset-formatting
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start-color 0xec, 7 # 236 = darkish gray
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break $render-normal:loop-body
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}
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# if previous-char wasn't whitespace, skip this block
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{
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compare previous-char, 0x20 # space
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break-if-=
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compare previous-char, 0xa # newline
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break-if-=
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break $render-normal:whitespace-separated-regions
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}
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# if (c == '*') switch to bold
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compare c, 0x2a # '*'
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{
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break-if-!=
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start-bold
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render-until-asterisk fs, state
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normal-text
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break $render-normal:loop-body
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}
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# if (c == '_') switch to bold
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compare c, 0x5f # '_'
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{
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break-if-!=
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start-color 0xec, 7 # 236 = darkish gray
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start-bold
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render-until-underscore fs, state
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reset-formatting
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start-color 0xec, 7 # 236 = darkish gray
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break $render-normal:loop-body
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}
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#
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add-char state, c
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}
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previous-char <- copy c
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loop
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}
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#
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add-char state, c
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} # $render-normal:loop-body
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previous-char <- copy c
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loop
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} # $render-normal:loop
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}
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fn render-header-line fs: (addr file-state), state: (addr screen-position-state) {
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Reference in New Issue