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Beoran 64670b404b Merge branch 'master' of gitlab.com:beoran/muesli 4 jaren geleden
cmd b19c0c32ae A few things work better now 5 jaren geleden
test b19c0c32ae A few things work better now 5 jaren geleden
LICENSE 534d46d7c8 Add MIT LICENSE. 4 jaren geleden
README.md d765d498f6 Add README.md 4 jaren geleden
ast.go e84756257c Trying out building in Go struct types, and write helper for that. Considering giving all functions a fixed signature. 4 jaren geleden
ast_test.go 969734636f Improve the lexer and work on the parser. 5 jaren geleden
builtin.go b211839902 [PATCH 2/2] Work on signatures for all callables. 4 jaren geleden
design_muesli.muesli 5e6a17f72a Starting to become runnable. 5 jaren geleden
doc.go 5ffa4a6725 Lexer is still flaky, considering switching to state machine based lexer. 6 jaren geleden
go.mod 5e6a17f72a Starting to become runnable. 5 jaren geleden
go.sum 5e6a17f72a Starting to become runnable. 5 jaren geleden
lexer.go a387df4660 Various improvements 5 jaren geleden
lexer_test.go 433b2c57d0 Parser starts to work correctly. 5 jaren geleden
logger.go 433b2c57d0 Parser starts to work correctly. 5 jaren geleden
muesli.go 5ffa4a6725 Lexer is still flaky, considering switching to state machine based lexer. 6 jaren geleden
parser.go 015ee70be7 Resolve merge conflict. 4 jaren geleden
parser_test.go 5e6a17f72a Starting to become runnable. 5 jaren geleden
signature.go b211839902 [PATCH 2/2] Work on signatures for all callables. 4 jaren geleden
token.go a387df4660 Various improvements 5 jaren geleden
value.go b211839902 [PATCH 2/2] Work on signatures for all callables. 4 jaren geleden
vm.go b211839902 [PATCH 2/2] Work on signatures for all callables. 4 jaren geleden
vm_test.go ad6c510461 WIP return or fail. 5 jaren geleden

README.md

Muesli is a Multi Use Embeddable Scripting Language Implementation.

Introduction

It is a scripting language implemented in Go, that has a simple command based TCL like syntax but with rich semantics. Unlice TCL, all values are typed, and many types are supported, not just string values. Additionaly, if so desired, every symbol used in the syntax can be replaced by a key word, leading to a native language programming feel.

Syntax

A Muesli program consists of one or more commands, separated by newlines or periods. Commands can be grouped together in blocks between braces {}. Lists are formed bu placing their contents between brackest []. A single command can be placed in parenthesis (), where the return value of the command will be subsituted.

A command starts with a word, and is followed by any number of arguments, which may be blocks, parenthesis, lists , or values. Like this, the language itself has no control statements, such as if, these are implemented as commands in stead.

Muesly supports several kinds of values, namely:

  • Integers
  • Floats
  • Strings between "double quotes"
  • The booleans !true and !false
  • The nil value !nil
  • Words, which are simple runs of alphanumercial characters starting with a lower case lettter, such as foo
  • Types which are runs of alphanumerical characters starting with an upper case letter. such as Foo