Reuh/anselme
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Condition line -> expression line

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Étienne Fildadut 2021-04-08 13:21:47 +02:00
parent e1b0b17fc6
commit eb6da84878
2 changed files with 6 additions and 6 deletions
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8
README.md
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@ -137,9 +137,9 @@ There's different types of lines, depending on their first character(s) (after i
here
```
* `~`: condition line. Can be followed by an [expression](#expressions); otherwise the expression `1` is assumed. If the expression evaluates to [true](#truethness), run its children.
* `~`: expression line. Can be followed by an [expression](#expressions); otherwise the expression `1` is assumed. If the expression evaluates to [true](#truethness), run its children.
* `~~`: else condition. Same as a condition line, but is only run if the last condition or else-condition line failed (regardless of line distance).
* `~~`: else expression. Same as an expression line, but is only run if the last expression or else-expression line was false (regardless of line distance).
```
~ 1
@ -279,7 +279,7 @@ And this is more text, in a different event.
Every line can also be followed with decorators, which are appended at the end of the line and affect its behaviour.
* `~`: condition decorator. Same as a condition line, behaving as if this line was it sole child.
* `~`: expression decorator. Same as an expression line, behaving as if this line was it sole child. Typically used to conditionally execute line.
* `§`: paragraph decorator. Same as a paragraph line, behaving as if this line was it sole child.
@ -345,7 +345,7 @@ Every event have a type (`text`, `choice`, `return` or `error` by default, custo
### Identifiers
Valid identifiers must be at least 1 caracters long and can contain anything except the caracters `%/*+-()!&|=$?><:{}[],\`. They can contain spaces.
Valid identifiers must be at least 1 caracters long and can contain anything except the caracters `%/*+-()!&|=$§?><:{}[],\`. They can contain spaces.
When defining an identifier (using a function, paragraph or variable delcaration line), it will be defined into the current namespace (defined by the parent function/paragraph). When evaluating an expression, Anselme will look for variables into the current line's namespace, then go up a level if it isn't found, and so on.

4
parser/common.lua
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@ -5,7 +5,7 @@ local escapeCache = {}
local common
common = {
--- valid identifier pattern
identifier_pattern = "[^%%%/%*%+%-%(%)%!%&%|%=%$%?%>%<%:%{%}%[%]%,%\"]+",
identifier_pattern = "[^%%%/%*%+%-%(%)%!%&%|%=%$%§%?%>%<%:%{%}%[%]%,%\"]+",
--- escape a string to be used as an exact match pattern
escape = function(str)
if not escapeCache[str] then
@ -39,7 +39,7 @@ common = {
end
return nil, ("can't find %q in namespace %s"):format(name, namespace)
end,
--- transform an identifier into a clean version
--- transform an identifier into a clean version (trim & alias)
format_identifier = function(identifier, state)
local r = identifier:gsub("[^%.]+", function(str)
str = common.trim(str)