Move keyword detection code to separate file

darcs-hash:20070422095026-ac50b-77a840e2830370f46b7a48fd8863095d2cd7a5f0.gz

1 files changed, 63 insertions, 0 deletions

diff --git a/parser_keywords.h b/parser_keywords.h
new file mode 100644
index 00000000..e8212334
--- /dev/null
+++ b/parser_keywords.h
@@ -0,0 +1,63 @@
+/** \file parser_keywords.h
+
+Functions having to do with parser keywords, like testing if a function is a block command.
+*/
+
+#ifndef FISH_PARSER_KEYWORD_H
+#define FISH_PARSER_KEYWORD_H
+
+/**
+   Return valuse for parser_keywords_is_switch()
+*/
+enum 
+{
+	ARG_NON_SWITCH,
+	ARG_SWITCH,
+	ARG_SKIP
+}
+	;
+
+
+
+/**
+   Check if the specified argument is a switch. Return ARG_SWITCH if yes,
+   ARG_NON_SWITCH if no and ARG_SKIP if the argument is '--'
+*/
+int parser_keywords_is_switch( const wchar_t *cmd );
+
+
+/**
+   Tests if the specified commands parameters should be interpreted as another command, which will be true if the command is either 'command', 'exec', 'if', 'while' or 'builtin'.  
+
+   \param cmd The command name to test
+   \return 1 of the command parameter is a command, 0 otherwise
+*/
+
+int parser_keywords_is_subcommand( const wchar_t *cmd );
+
+/**
+   Tests if the specified command is a reserved word, i.e. if it is
+   the name of one of the builtin functions that change the block or
+   command scope, like 'for', 'end' or 'command' or 'exec'. These
+   functions may not be overloaded, so their names are reserved.
+
+   \param word The command name to test
+   \return 1 of the command parameter is a command, 0 otherwise
+*/
+int parser_keywords_is_reserved( const wchar_t *word );
+
+/**
+   Test if the specified string is command that opens a new block
+*/
+
+int parser_keywords_is_block( const wchar_t *word);
+
+/**
+   Check if the specified command is one of the builtins that cannot
+   have arguments, any followin argument is interpreted as a new
+   command
+*/
+int parser_keywords_skip_arguments( const wchar_t *cmd );
+
+
+#endif