improvements to bash syntax. fix #43

examples/languages/test.bash

@@ -10,7 +10,7 @@ npm install speed_highlight_js
 
 TEST=5
 
-NAME="John"
+HELLO_WORLD="John"
 echo "Hi $NAME"  #=> Hi John
 cat 'Hi $NAME'#=> TODO Hi $NAME
 
@@ -29,4 +29,7 @@ minify_file () {
 	test=false
 	out=${ file/${in_dir}/${out_dir} }
 	exec_minify_cmd $file $out
+	test-hello &
+	./a.out test-hello
+	cat /etc/test
 }

src/languages/bash.js

@@ -13,32 +13,39 @@ export default [
 		match: /(["'])((?!\1)[^\r\n\\]|\\[^])*\1?/g,
 		sub: [ variable ]
 	},
+	{
+		// relative or absolute path
+		type: "oper",
+		match: /(?<=\s|^)\.*\/[a-z/_.-]+/gi,
+	},
 	{
 		type: 'kwd',
-		match: /-[a-zA-Z]+|$<|[&|;]+|\b(unset|readonly|shift|export|if|fi|else|elif|while|do|done|for|until|case|esac|break|continue|exit|return|trap|wait|eval|exec|then|declare|enable|local|select|typeset|time|add|remove|install|update|delete)\b/g
+		match: /\s-[a-zA-Z]+|$<|[&|;]+|\b(unset|readonly|shift|export|if|fi|else|elif|while|do|done|for|until|case|esac|break|continue|exit|return|trap|wait|eval|exec|then|declare|enable|local|select|typeset|time|add|remove|install|update|delete)(?=\s|$)/g
 	},
 	{
 		expand: 'num'
 	},
 	{
+		// command
 		type: 'func',
-		match: /\b(set|alias|bg|bind|builtin|caller|command|compgen|complete|dirs|disown|echo|enable|eval|exec|exit|fc|fg|getopts|hash|help|history|jobs|kill|let|logout|popd|printf|pushd|pwd|read|set|shift|shopt|source|suspend|test|times|trap|type|ulimit|umask|unalias|unset)\b/g
+		match: /(?<=(^|\||\&\&|\;)\s*)[a-z_.-]+(?=\s|$)/gmi
 	},
 	{
 		type: 'bool',
-		match: /\b(true|false)\b/g
-	},
-	{
-		type: 'func',
-		match: /[a-z_]+(?=\s*\()/g
+		match: /(?<=\s|^)(true|false)(?=\s|$)/g
 	},
+	// {
+	// 	// function definition
+	// 	type: 'func',
+	// 	match: /(?<=\s|^)[a-z_]+(?=\s*\()/g
+	// },
 	{
 		type: 'oper',
-		match: /[=(){}<>+*/!?~^-]+/g
+		match: /[=(){}<>!]+/g
 	},
 	{
 		type: 'var',
-		match: /\w+(?=\s*=)/g
+		match: /(?<=\s|^)[\w_]+(?=\s*=)/g
 	},
 	variable
 ]

src/languages/js_template_literals.js

@@ -9,7 +9,7 @@ export default [
 					if (str[i] == '{') f();
 					else if (str[i] == '}') return;
 				};
-			for (; i < str.length; i++)
+			for (; i < str.length; ++i)
 				if (str[i - 1] != '\\' && str[i] == '$' && str[i + 1] == '{') {
 				j = i++;
 				f(i);