Merge pull request 'feat: Add double-quoted string constants with escapes' (#22) from string_escape into main
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Resolves #20.

Reviewed-on: #22
This commit is contained in:
Glen Whitney 2021-02-19 04:09:38 +00:00
commit 5ef816610b
6 changed files with 11 additions and 3 deletions

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@ -39,6 +39,7 @@ context-free syntax
Ex.Int = INT Ex.Int = INT
Ex.LitString = STRING_LITERAL Ex.LitString = STRING_LITERAL
Ex.EscString = STRING
Ex.Stream = <stream> Ex.Stream = <stream>
Ex.Sum = <<Ex> + <Ex>> {left} Ex.Sum = <<Ex> + <Ex>> {left}
Ex.Gets = [[Ex] << [Ex]] {left} Ex.Gets = [[Ex] << [Ex]] {left}

1
tests/hw2.fos Normal file
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@ -0,0 +1 @@
<<< "Hello,\t\tworld!\n\n"

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@ -39,6 +39,7 @@ rules
hs: (_, Stream()) -> "StdIO" hs: (_, Stream()) -> "StdIO"
hs: (_, Int(x)) -> x hs: (_, Int(x)) -> x
hs: (_, LitString(x)) -> <haskLitString>x hs: (_, LitString(x)) -> <haskLitString>x
hs: (_, EscString(x)) -> x
hs: (_, Sum(x, y)) -> $[([x] + [y])] hs: (_, Sum(x, y)) -> $[([x] + [y])]
hs: (Gets(_, xn), Gets(s, x)) -> v hs: (Gets(_, xn), Gets(s, x)) -> v

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@ -17,6 +17,7 @@ rules
js: Stream() -> $[Stdio] js: Stream() -> $[Stdio]
js: Int(x) -> x js: Int(x) -> x
js: LitString(x) -> <javaLitString>x js: LitString(x) -> <javaLitString>x
js: EscString(x) -> x
js: Sum(x,y) -> $[[x] + [y]] js: Sum(x,y) -> $[[x] + [y]]
js: Gets(x, y) -> $[[x].gets([y])] js: Gets(x, y) -> $[[x].gets([y])]
js: To(x, y) -> $[to([x],[y])] js: To(x, y) -> $[to([x],[y])]

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@ -19,6 +19,7 @@ rules
py: Stream() -> $[Stdio] py: Stream() -> $[Stdio]
py: Int(x) -> x py: Int(x) -> x
py: LitString(x) -> $[r[x]] py: LitString(x) -> $[r[x]]
py: EscString(x) -> x
py: Sum(x,y) -> $[[x] + [y]] py: Sum(x,y) -> $[[x] + [y]]
py: Gets(x, y) -> $[[x].gets([y])] py: Gets(x, y) -> $[[x].gets([y])]
py: To(x, y) -> $[to([x],[y])] py: To(x, y) -> $[to([x],[y])]

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@ -184,16 +184,19 @@ constructor was trivial:
Now typing literals is straightforward: Now typing literals is straightforward:
```statix ```statix
{! "\git docs/statix_works:trans/statics.stx" extract:
start: '(.*ty_Ex.Int.*\s*)'
stop: '/. ../'
!}
```
**/ **/
/** md */
ty_Ex(Int(_)) = INT(). ty_Ex(Int(_)) = INT().
ty_Ex(LitString(_)) = STRING(). ty_Ex(LitString(_)) = STRING().
ty_Ex(EscString(_)) = STRING().
ty_Ex(e@Stream()) = STREAM(). ty_Ex(e@Stream()) = STREAM().
/* **/
/** md /** md
```
Finally we get to the binary operators, and here we use the pattern found in Finally we get to the binary operators, and here we use the pattern found in
recent versions of the recent versions of the