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Move loose parser to object style

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Drop dependency on tokenizer interface
This commit is contained in:
Marijn Haverbeke 2015-03-05 17:22:06 +01:00
parent 3365478645
commit 0df2affdfe
2 changed files with 691 additions and 710 deletions
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29
acorn.js
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@ -159,10 +159,8 @@
this.value = p.value;
this.start = p.start;
this.end = p.end;
if (p.options.locations) {
this.loc = new SourceLocation(p);
this.loc.end = p.endLoc;
}
if (p.options.locations)
this.loc = new SourceLocation(p, p.startLoc, p.endLoc);
if (p.options.ranges)
this.range = [p.start, p.end];
};
@ -242,11 +240,8 @@
start: start,
end: end
};
if (options.locations) {
comment.loc = new SourceLocation(this);
comment.loc.start = startLoc;
comment.loc.end = endLoc;
}
if (options.locations)
comment.loc = new SourceLocation(this, startLoc, endLoc);
if (options.ranges)
comment.range = [start, end];
array.push(comment);
@ -506,7 +501,7 @@
// Whether a single character denotes a newline.
var newline = /[\n\r\u2028\u2029]/;
var newline = exports.newline = /[\n\r\u2028\u2029]/;
var isNewLine = exports.isNewLine = function(code) {
return code === 10 || code === 13 || code === 0x2028 || code == 0x2029;
@ -515,7 +510,7 @@
// Matches a whole line break (where CRLF is considered a single
// line break). Used to count lines.
var lineBreak = /\r\n|[\n\r\u2028\u2029]/g;
var lineBreak = exports.lineBreak = /\r\n|[\n\r\u2028\u2029]/g;
// Test whether a given character code starts an identifier.
@ -1393,16 +1388,17 @@
var Node = exports.Node = function() {};
function SourceLocation(p) {
this.start = p.startLoc;
var SourceLocation = exports.SourceLocation = function(p, start, end) {
this.start = start;
this.end = end;
if (p.sourceFile !== null) this.source = p.sourceFile;
}
};
pp.startNode = function() {
var node = new Node;
node.start = this.start;
if (this.options.locations)
node.loc = new SourceLocation(this);
node.loc = new SourceLocation(this, this.startLoc);
if (this.options.directSourceFile)
node.sourceFile = this.options.directSourceFile;
if (this.options.ranges)
@ -1413,8 +1409,7 @@
pp.startNodeAt = function(pos) {
var node = new Node, start = pos;
if (this.options.locations) {
node.loc = new SourceLocation(this);
node.loc.start = start[1];
node.loc = new SourceLocation(this, start[1]);
start = pos[0];
}
node.start = start;

1372
acorn_loose.js
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