Implement goto. Fixes #269

[yulvil]

for issue #269

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This change is 

[codecov]

Codecov Report

Merging #271 into master will increase coverage by 0.28%.
The diff coverage is 83.33%.

@@            Coverage Diff             @@
##           master     #271      +/-   ##
==========================================
+ Coverage    81.5%   81.78%   +0.28%     
==========================================
  Files         135      136       +1     
  Lines        5487     5511      +24     
==========================================
+ Hits         4472     4507      +35     
+ Misses        824      802      -22     
- Partials      191      202      +11

Impacted Files	Coverage Δ
transpiler/transpiler.go	91.58% <100%> (+0.24%)	⬆️
transpiler/goto.go	77.77% <77.77%> (ø)
main.go	53.17% <0%> (+0.57%)	⬆️
ast/position.go	83.83% <0%> (+1.5%)	⬆️
ast/go_stmt.go	78.94% <0%> (+21.05%)	⬆️
ast/label_stmt.go	88.88% <0%> (+33.33%)	⬆️

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[elliotchance]

Reviewed 2 of 2 files at r1.
Review status: all files reviewed at latest revision, 1 unresolved discussion.

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transpiler/transpiler.go, line 355 at r1 (raw file):

}

func transpileLabelStmt(n *ast.LabelStmt, p *program.Program) (*goast.LabeledStmt, error) {

Please move transpileLabelStmt and transpileGotoStmt into a new file transpiler/goto.go. I want to keep this file free from pollution.

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Comments from Reviewable

[elliotchance]

Review status: all files reviewed at latest revision, 2 unresolved discussions.

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a discussion (no related file):
There was only one minor change -- great PR!

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Comments from Reviewable

[yulvil]

@elliotchance Sorry about the small commits. Thankfully you can do a merge-commit into your repo.

[yulvil]

Review status: 1 of 3 files reviewed at latest revision, 1 unresolved discussion.

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transpiler/transpiler.go, line 355 at r1 (raw file):

Previously, elliotchance (Elliot Chance) wrote…

Please move transpileLabelStmt and transpileGotoStmt into a new file transpiler/goto.go. I want to keep this file free from pollution.

Done.

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Comments from Reviewable

[elliotchance]

Reviewed 2 of 2 files at r2.
Review status: all files reviewed at latest revision, 1 unresolved discussion.

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transpiler/goto.go, line 1 at r2 (raw file):

// This file contains functions for transpiling goto/label statements.

Perfect! 👍

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Comments from Reviewable