aboutsummaryrefslogtreecommitdiff
path: root/node_modules/acorn/src/location.js
diff options
context:
space:
mode:
authorFlorian Dold <florian.dold@gmail.com>2017-05-03 15:35:00 +0200
committerFlorian Dold <florian.dold@gmail.com>2017-05-03 15:35:00 +0200
commitde98e0b232509d5f40c135d540a70e415272ff85 (patch)
treea79222a5b58484ab3b80d18efcaaa7ccc4769b33 /node_modules/acorn/src/location.js
parente0c9d480a73fa629c1e4a47d3e721f1d2d345406 (diff)
node_modules
Diffstat (limited to 'node_modules/acorn/src/location.js')
-rw-r--r--node_modules/acorn/src/location.js26
1 files changed, 26 insertions, 0 deletions
diff --git a/node_modules/acorn/src/location.js b/node_modules/acorn/src/location.js
new file mode 100644
index 000000000..99e71234c
--- /dev/null
+++ b/node_modules/acorn/src/location.js
@@ -0,0 +1,26 @@
+import {Parser} from "./state"
+import {Position, getLineInfo} from "./locutil"
+
+const pp = Parser.prototype
+
+// This function is used to raise exceptions on parse errors. It
+// takes an offset integer (into the current `input`) to indicate
+// the location of the error, attaches the position to the end
+// of the error message, and then raises a `SyntaxError` with that
+// message.
+
+pp.raise = function(pos, message) {
+ let loc = getLineInfo(this.input, pos)
+ message += " (" + loc.line + ":" + loc.column + ")"
+ let err = new SyntaxError(message)
+ err.pos = pos; err.loc = loc; err.raisedAt = this.pos
+ throw err
+}
+
+pp.raiseRecoverable = pp.raise
+
+pp.curPosition = function() {
+ if (this.options.locations) {
+ return new Position(this.curLine, this.pos - this.lineStart)
+ }
+}