lib: intro `Float.lerp` for simple linear interpolation

[nit.git] / src / location.nit

diff --git a/src/location.nit b/src/location.nit
index 8ed4428..83ed72f 100644 (file)
--- a/src/location.nit
+++ b/src/location.nit
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# This module is used to model Nit source-file and locations in source-file
+# Nit source-file and locations in source-file
 module location
 
 # A raw text Nit source file
@@ -26,7 +26,7 @@ class SourceFile
        var string: String is noinit
 
        # The original stream used to initialize `string`
-       var stream: IStream
+       var stream: Reader
 
        init
        do
@@ -51,10 +51,25 @@ class Location
        super Comparable
        redef type OTHER: Location
 
+       # The associated source-file
        var file: nullable SourceFile
+
+       # The starting line number (starting from 1)
        var line_start: Int
+
+       # The stopping line number (starting from 1)
        var line_end: Int
+
+       # Start of this location on `line_start`
+       #
+       # A `column_start` of 1 means the first column or character.
+       #
+       # If `column_start == 0` this location concerns the whole line.
+       #
+       # Require: `column_start >= 0`
        var column_start: Int
+
+       # End of this location on `line_end`
        var column_end: Int
 
        # The index in the start character in the source
@@ -78,8 +93,6 @@ class Location
 
        private var text_cache: nullable String = null
 
-       init with_file(f: SourceFile) do init(f,0,0,0,0)
-
        redef fun ==(other: nullable Object): Bool do
                if other == null then return false
                if not other isa Location then return false