Fixing SUB standard function defined in standard library

Fixing generated code for global variables. Adding support for defining global variables with complex type
Fixing bug preventing to generate SFC transition with IL body

Fixing bug in all SUB function definitions in standard_functions.txt

Fix bug when using enumerated type in equ_expression or notequ_expression

silenced warning on X86_64 build by casying numerical operand of snprintf

Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements

Fix code generation of FOR loops. Now handles negative values of BY correctly.

Fix semantic verification of enumerated data types.

Adding a line to a comment. Does not change any code.

fixed signedness warning on string slicing funcs in std lib

Fix bug generate_c_inlinefcall in inline function name generated

Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax

Fix bug in code generation of directly declared array variables that generate wrong code when using located variables in a program POU

Fix bug in generate_c_inlinefcall.cc that prevent to use extendible standard functions

Fix bug in definition of CONCAT standard function in iec_std_lib.h

moved declaration __STR_CMP to prevent warning

Adding support for compiling direct array specification inside variable declaration

Making case statement code generated safer

Merge with 01068ccb73b202b2872d4117ad01984bac956cbb

Fix make on system without mercurial installed.

delete code no longer needed.

Implement get_type_decl(), as it seems Manuele will need it later...

Cleaning up: Getting some sense into the code handling structures.

Add automatic HG changeset id information in "-v" param

Add iec2iec building in the project Makefiles.

Update which files to ignore due to new autotools building environment.

Add checks for undefined structure elements used IEC 61131-3 source code being compiled.

Ignore underscores when extracting value of integer.

Deleting unused code.

Removing Makefiles made redundant by autotools.

fix bug report email address.

Add print version command line option.

Remove debugging printf() added by mistake in previous commit.

Print error messages when data type errors in ST expressions are detected.

Include (again!) the declaration of standard functions (incorrectly removed -again- in previous commit)

Add support for '**' (power) operator in ST expressions

Some more comments on how to build, and correcting name of README.build file.

Include the declaration of standard functions (incorrectly removed in previous commit)

Merging with Laurent's repository.

Fixing automake configuration to work properly with flex and bison.

Building compiler with autoconf. Thanks go to Matteo of sirius-es.it

Support for semantic verification of calls to standard functions.
Removing files no longer required.

Support for semantic verification of calls to standard function calls.
Adding missing files in previous commit.

Support for semantic verification of calls to standard functions.
This commit makes a fundamental change in the way standard functions are handled by the compiler.

Fixing exponentiation used with symbol **

Fix bugs in exponentiation

Fix case statement in ST, adding support for enumerated types

Adding BYTE operators visit functions in inlinefcall

Fix bug with DIV and MOD operator in IL code generator

Fix bug in suffix of inlinefcall call in ST and IL

Remove inclusion of missing file in lib

Commiting merge with Mario's repository

commiting merge with Laurent's repository

changing 'make' to '$(MAKE)' so other make tools (e.g. gmake) may also be used.

Replacing extern declaration with #include of apropriate header file

Adding some comments, and removing a check for a semantic error in code being compiled.

Fix bug with inline function call in POU programmed in IL

Fix bug in function calls with literal parameters

Fix makefiles when not using make as make tool

Fix bug on initialization of temp variables not using setter

Fix bug when trying to find the type of a NULL symbol

Fix bug in inline function calls when using function with undetermined type interface with literals as input

Fix warnings when compiling matiec

Fix warning on nop statement at the end of function_block and program generated code