author | Manuele Conti <conti.ma@alice.it> |
Sun, 10 Jun 2012 21:28:21 +0200 | |
changeset 577 | f578f14cb97f |
parent 354 | 0f24db96b519 |
child 745 | 26cb3fa00d29 |
permissions | -rwxr-xr-x |
15
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
1 |
/* |
264
6facabd9c2cd
Updating License info (with Edoaurd's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents:
177
diff
changeset
|
2 |
* matiec - a compiler for the programming languages defined in IEC 61131-3 |
6facabd9c2cd
Updating License info (with Edoaurd's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents:
177
diff
changeset
|
3 |
* |
6facabd9c2cd
Updating License info (with Edoaurd's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents:
177
diff
changeset
|
4 |
* Copyright (C) 2003-2011 Mario de Sousa (msousa@fe.up.pt) |
279
c0453b7f99df
Re-generated std lib related code, with updated headers, updated all forgotten headers
Edouard Tisserant
parents:
264
diff
changeset
|
5 |
* Copyright (C) 2007-2011 Laurent Bessard and Edouard Tisserant |
264
6facabd9c2cd
Updating License info (with Edoaurd's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents:
177
diff
changeset
|
6 |
* |
6facabd9c2cd
Updating License info (with Edoaurd's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents:
177
diff
changeset
|
7 |
* This program is free software: you can redistribute it and/or modify |
6facabd9c2cd
Updating License info (with Edoaurd's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents:
177
diff
changeset
|
8 |
* it under the terms of the GNU General Public License as published by |
6facabd9c2cd
Updating License info (with Edoaurd's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents:
177
diff
changeset
|
9 |
* the Free Software Foundation, either version 3 of the License, or |
6facabd9c2cd
Updating License info (with Edoaurd's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents:
177
diff
changeset
|
10 |
* (at your option) any later version. |
6facabd9c2cd
Updating License info (with Edoaurd's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents:
177
diff
changeset
|
11 |
* |
6facabd9c2cd
Updating License info (with Edoaurd's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents:
177
diff
changeset
|
12 |
* This program is distributed in the hope that it will be useful, |
6facabd9c2cd
Updating License info (with Edoaurd's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents:
177
diff
changeset
|
13 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
6facabd9c2cd
Updating License info (with Edoaurd's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents:
177
diff
changeset
|
14 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
6facabd9c2cd
Updating License info (with Edoaurd's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents:
177
diff
changeset
|
15 |
* GNU General Public License for more details. |
6facabd9c2cd
Updating License info (with Edoaurd's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents:
177
diff
changeset
|
16 |
* |
6facabd9c2cd
Updating License info (with Edoaurd's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents:
177
diff
changeset
|
17 |
* You should have received a copy of the GNU General Public License |
6facabd9c2cd
Updating License info (with Edoaurd's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents:
177
diff
changeset
|
18 |
* along with this program. If not, see <http://www.gnu.org/licenses/>. |
6facabd9c2cd
Updating License info (with Edoaurd's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents:
177
diff
changeset
|
19 |
* |
15
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
20 |
* |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
21 |
* This code is made available on the understanding that it will not be |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
22 |
* used in safety-critical situations without a full and competent review. |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
23 |
*/ |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
24 |
|
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
25 |
/* |
264
6facabd9c2cd
Updating License info (with Edoaurd's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents:
177
diff
changeset
|
26 |
* An IEC 61131-3 compiler. |
15
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
27 |
* |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
28 |
* Based on the |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
29 |
* FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10) |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
30 |
* |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
31 |
*/ |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
32 |
|
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
33 |
|
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
34 |
/* |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
35 |
* This file contains the code that calls the stage 1 (lexical anayser) |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
36 |
* and stage 2 (syntax parser) during the first pass. |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
37 |
*/ |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
38 |
|
139
668a54686827
added missing includes on some platform (gentoo/gcc-4.3.1)
etisserant
parents:
136
diff
changeset
|
39 |
#include <string.h> |
668a54686827
added missing includes on some platform (gentoo/gcc-4.3.1)
etisserant
parents:
136
diff
changeset
|
40 |
#include <stdlib.h> |
15
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
41 |
|
20 | 42 |
/* file with declaration of absyntax classes... */ |
43 |
#include "../absyntax/absyntax.hh" |
|
44 |
||
15
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
45 |
|
177
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
46 |
#include "stage1_2.hh" |
354
0f24db96b519
Fixing automake configuration to work properly with flex and bison.
Mario de Sousa <msousa@fe.up.pt>
parents:
279
diff
changeset
|
47 |
#include "iec_bison.h" |
15
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
48 |
#include "stage1_2_priv.hh" |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
49 |
|
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
50 |
|
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
51 |
|
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
52 |
|
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
53 |
|
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
54 |
/**************************************/ |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
55 |
/* The name of the file being parsed. */ |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
56 |
/**************************************/ |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
57 |
/* The name of the file currently being parsed... |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
58 |
* Note that flex accesses and updates this global variable |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
59 |
* apropriately whenever it comes across an (*#include <filename> *) |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
60 |
* directive... |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
61 |
* ... and bison will use it when producing error messages. |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
62 |
* Note that bison also sets this variable correctly to the first |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
63 |
* file being parsed. |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
64 |
*/ |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
65 |
const char *current_filename = NULL; |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
66 |
|
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
67 |
|
177
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
68 |
/******************************************************/ |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
69 |
/* whether we are suporting safe extensions */ |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
70 |
/* as defined in PLCopen - Technical Committee 5 */ |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
71 |
/* Safety Software Technical Specification, */ |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
72 |
/* Part 1: Concepts and Function Blocks, */ |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
73 |
/* Version 1.0 – Official Release */ |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
74 |
/******************************************************/ |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
75 |
bool safe_extensions_ = false; |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
76 |
bool get_opt_safe_extensions() {return safe_extensions_;} |
15
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
77 |
|
68 | 78 |
/****************************************************/ |
79 |
/* Controlling the entry to the body_state in flex. */ |
|
80 |
/****************************************************/ |
|
15
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
81 |
static int goto_body_state__ = 0; |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
82 |
|
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
83 |
void cmd_goto_body_state(void) {goto_body_state__ = 1;} |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
84 |
int get_goto_body_state(void) {return goto_body_state__;} |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
85 |
void rst_goto_body_state(void) {goto_body_state__ = 0;} |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
86 |
|
68 | 87 |
/*************************************************************/ |
88 |
/* Controlling the entry to the sfc_qualifier_state in flex. */ |
|
89 |
/*************************************************************/ |
|
90 |
static int goto_sfc_qualifier_state__ = 0; |
|
91 |
||
92 |
void cmd_goto_sfc_qualifier_state(void) {goto_sfc_qualifier_state__ = 1;} |
|
93 |
int get_goto_sfc_qualifier_state(void) {return goto_sfc_qualifier_state__;} |
|
94 |
void rst_goto_sfc_qualifier_state(void) {goto_sfc_qualifier_state__ = 0;} |
|
95 |
||
74
85af9521bf63
fixing identifier issues of PRIORITY, SINGLE, and INTERVAL
mario
parents:
68
diff
changeset
|
96 |
/*************************************************************/ |
86
1988bf1634da
Adding support for use of PRIORITY as identifier inside SFC.
mario
parents:
74
diff
changeset
|
97 |
/* Controlling the entry to the sfc_priority_state in flex. */ |
1988bf1634da
Adding support for use of PRIORITY as identifier inside SFC.
mario
parents:
74
diff
changeset
|
98 |
/*************************************************************/ |
1988bf1634da
Adding support for use of PRIORITY as identifier inside SFC.
mario
parents:
74
diff
changeset
|
99 |
static int goto_sfc_priority_state__ = 0; |
1988bf1634da
Adding support for use of PRIORITY as identifier inside SFC.
mario
parents:
74
diff
changeset
|
100 |
|
1988bf1634da
Adding support for use of PRIORITY as identifier inside SFC.
mario
parents:
74
diff
changeset
|
101 |
void cmd_goto_sfc_priority_state(void) {goto_sfc_priority_state__ = 1;} |
1988bf1634da
Adding support for use of PRIORITY as identifier inside SFC.
mario
parents:
74
diff
changeset
|
102 |
int get_goto_sfc_priority_state(void) {return goto_sfc_priority_state__;} |
1988bf1634da
Adding support for use of PRIORITY as identifier inside SFC.
mario
parents:
74
diff
changeset
|
103 |
void rst_goto_sfc_priority_state(void) {goto_sfc_priority_state__ = 0;} |
1988bf1634da
Adding support for use of PRIORITY as identifier inside SFC.
mario
parents:
74
diff
changeset
|
104 |
|
1988bf1634da
Adding support for use of PRIORITY as identifier inside SFC.
mario
parents:
74
diff
changeset
|
105 |
/*************************************************************/ |
74
85af9521bf63
fixing identifier issues of PRIORITY, SINGLE, and INTERVAL
mario
parents:
68
diff
changeset
|
106 |
/* Controlling the entry to the sfc_qualifier_state in flex. */ |
85af9521bf63
fixing identifier issues of PRIORITY, SINGLE, and INTERVAL
mario
parents:
68
diff
changeset
|
107 |
/*************************************************************/ |
85af9521bf63
fixing identifier issues of PRIORITY, SINGLE, and INTERVAL
mario
parents:
68
diff
changeset
|
108 |
static int goto_task_init_state__ = 0; |
85af9521bf63
fixing identifier issues of PRIORITY, SINGLE, and INTERVAL
mario
parents:
68
diff
changeset
|
109 |
|
85af9521bf63
fixing identifier issues of PRIORITY, SINGLE, and INTERVAL
mario
parents:
68
diff
changeset
|
110 |
void cmd_goto_task_init_state(void) {goto_task_init_state__ = 1;} |
85af9521bf63
fixing identifier issues of PRIORITY, SINGLE, and INTERVAL
mario
parents:
68
diff
changeset
|
111 |
int get_goto_task_init_state(void) {return goto_task_init_state__;} |
85af9521bf63
fixing identifier issues of PRIORITY, SINGLE, and INTERVAL
mario
parents:
68
diff
changeset
|
112 |
void rst_goto_task_init_state(void) {goto_task_init_state__ = 0;} |
68 | 113 |
|
114 |
/****************************************************************/ |
|
115 |
/* Returning to state in flex previously pushed onto the stack. */ |
|
116 |
/****************************************************************/ |
|
117 |
static int pop_state__ = 0; |
|
118 |
||
119 |
void cmd_pop_state(void) {pop_state__ = 1;} |
|
120 |
int get_pop_state(void) {return pop_state__;} |
|
121 |
void rst_pop_state(void) {pop_state__ = 0;} |
|
15
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
122 |
|
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
123 |
|
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
124 |
/*********************************/ |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
125 |
/* The global symbol tables... */ |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
126 |
/*********************************/ |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
127 |
/* NOTE: only accessed indirectly by the lexical parser (flex) |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
128 |
* through the function get_identifier_token() |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
129 |
*/ |
354
0f24db96b519
Fixing automake configuration to work properly with flex and bison.
Mario de Sousa <msousa@fe.up.pt>
parents:
279
diff
changeset
|
130 |
/* NOTE: BOGUS_TOKEN_ID is defined in the bison generated file iec_bison.h. |
15
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
131 |
* We need this constant defined before we can declare the symbol tables. |
354
0f24db96b519
Fixing automake configuration to work properly with flex and bison.
Mario de Sousa <msousa@fe.up.pt>
parents:
279
diff
changeset
|
132 |
* However, we cannot #include "iec_bison.h" in this file (stage1_2_priv.hh) directly |
15
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
133 |
* because of the way bison ver. 3.2 is copying all declarations in the prologue |
354
0f24db96b519
Fixing automake configuration to work properly with flex and bison.
Mario de Sousa <msousa@fe.up.pt>
parents:
279
diff
changeset
|
134 |
* of iec.y to the iec_bison.h file (including an #include stage1_2_priv.hh). |
0f24db96b519
Fixing automake configuration to work properly with flex and bison.
Mario de Sousa <msousa@fe.up.pt>
parents:
279
diff
changeset
|
135 |
* So, if we were to include "iec_bison.h" here, we would get a circular include. |
15
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
136 |
* All this means that whoever includes this file (stage1_2_priv.hh) will need |
354
0f24db96b519
Fixing automake configuration to work properly with flex and bison.
Mario de Sousa <msousa@fe.up.pt>
parents:
279
diff
changeset
|
137 |
* to take care to first inlcude iec_bison.h !! |
15
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
138 |
*/ |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
139 |
/* A symbol table to store all the library elements */ |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
140 |
/* e.g.: <function_name , function_decl> |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
141 |
* <fb_name , fb_decl> |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
142 |
* <type_name , type_decl> |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
143 |
* <program_name , program_decl> |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
144 |
* <configuration_name , configuration_decl> |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
145 |
*/ |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
146 |
/* static */ symtable_c<int, BOGUS_TOKEN_ID> library_element_symtable; |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
147 |
|
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
148 |
/* A symbol table to store the declared variables of |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
149 |
* the function currently being parsed... |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
150 |
*/ |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
151 |
/* static */ symtable_c<int, BOGUS_TOKEN_ID> variable_name_symtable; |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
152 |
|
175
dadda1b5401e
Adding support for checking direct variable declared before using
lbessard
parents:
139
diff
changeset
|
153 |
/* A symbol table to store the declared direct variables of |
dadda1b5401e
Adding support for checking direct variable declared before using
lbessard
parents:
139
diff
changeset
|
154 |
* the function currently being parsed... |
dadda1b5401e
Adding support for checking direct variable declared before using
lbessard
parents:
139
diff
changeset
|
155 |
*/ |
dadda1b5401e
Adding support for checking direct variable declared before using
lbessard
parents:
139
diff
changeset
|
156 |
/* static */ symtable_c<int, BOGUS_TOKEN_ID> direct_variable_symtable; |
15
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
157 |
|
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
158 |
/* Function only called from within flex! |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
159 |
* |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
160 |
* search for a symbol in either of the two symbol tables |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
161 |
* declared above, and return the token id of the first |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
162 |
* symbol found. |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
163 |
* Searches first in the variables, and only if not found |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
164 |
* does it continue searching in the library elements |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
165 |
*/ |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
166 |
int get_identifier_token(const char *identifier_str) { |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
167 |
// std::cout << "get_identifier_token(" << identifier_str << "): \n"; |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
168 |
int token_id; |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
169 |
|
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
170 |
if ((token_id = variable_name_symtable.find_value(identifier_str)) == variable_name_symtable.end_value()) |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
171 |
if ((token_id = library_element_symtable.find_value(identifier_str)) == library_element_symtable.end_value()) |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
172 |
return identifier_token; |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
173 |
return token_id; |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
174 |
} |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
175 |
|
175
dadda1b5401e
Adding support for checking direct variable declared before using
lbessard
parents:
139
diff
changeset
|
176 |
/* Function only called from within flex! |
dadda1b5401e
Adding support for checking direct variable declared before using
lbessard
parents:
139
diff
changeset
|
177 |
* |
dadda1b5401e
Adding support for checking direct variable declared before using
lbessard
parents:
139
diff
changeset
|
178 |
* search for a symbol in direct variables symbol table |
dadda1b5401e
Adding support for checking direct variable declared before using
lbessard
parents:
139
diff
changeset
|
179 |
* declared above, and return the token id of the first |
dadda1b5401e
Adding support for checking direct variable declared before using
lbessard
parents:
139
diff
changeset
|
180 |
* symbol found. |
dadda1b5401e
Adding support for checking direct variable declared before using
lbessard
parents:
139
diff
changeset
|
181 |
*/ |
dadda1b5401e
Adding support for checking direct variable declared before using
lbessard
parents:
139
diff
changeset
|
182 |
int get_direct_variable_token(const char *direct_variable_str) { |
dadda1b5401e
Adding support for checking direct variable declared before using
lbessard
parents:
139
diff
changeset
|
183 |
int token_id; |
dadda1b5401e
Adding support for checking direct variable declared before using
lbessard
parents:
139
diff
changeset
|
184 |
|
dadda1b5401e
Adding support for checking direct variable declared before using
lbessard
parents:
139
diff
changeset
|
185 |
if ((token_id = direct_variable_symtable.find_value(direct_variable_str)) == direct_variable_symtable.end_value()) |
dadda1b5401e
Adding support for checking direct variable declared before using
lbessard
parents:
139
diff
changeset
|
186 |
return direct_variable_token; |
dadda1b5401e
Adding support for checking direct variable declared before using
lbessard
parents:
139
diff
changeset
|
187 |
return token_id; |
dadda1b5401e
Adding support for checking direct variable declared before using
lbessard
parents:
139
diff
changeset
|
188 |
} |
15
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
189 |
|
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
190 |
/************************/ |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
191 |
/* Utility Functions... */ |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
192 |
/************************/ |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
193 |
|
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
194 |
/* |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
195 |
* Join two strings together. Allocate space with malloc(3). |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
196 |
*/ |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
197 |
char *strdup2(const char *a, const char *b) { |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
198 |
char *res = (char *)malloc(strlen(a) + strlen(b) + 1); |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
199 |
|
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
200 |
if (!res) |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
201 |
return NULL; |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
202 |
return strcat(strcpy(res, a), b); /* safe, actually */ |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
203 |
} |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
204 |
|
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
205 |
/* |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
206 |
* Join three strings together. Allocate space with malloc(3). |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
207 |
*/ |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
208 |
char *strdup3(const char *a, const char *b, const char *c) { |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
209 |
char *res = (char *)malloc(strlen(a) + strlen(b) + strlen(c) + 1); |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
210 |
|
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
211 |
if (!res) |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
212 |
return NULL; |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
213 |
return strcat(strcat(strcpy(res, a), b), c); /* safe, actually */ |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
214 |
} |
0b472e25eb16
Adding changes to make the compiler compatible with bison ver 2.3
mario
parents:
diff
changeset
|
215 |
|
136 | 216 |
/*************************/ |
217 |
/* Tracking Functions... */ |
|
218 |
/*************************/ |
|
219 |
||
220 |
extern tracking_t* current_tracking; |
|
221 |
||
222 |
/*-------------------------------------------------------------------- |
|
223 |
* GetNextChar |
|
224 |
* |
|
225 |
* reads a character from input for flex |
|
226 |
*------------------------------------------------------------------*/ |
|
227 |
int GetNextChar(char *b, int maxBuffer) { |
|
228 |
char *p; |
|
229 |
||
230 |
if ( current_tracking->eof ) |
|
231 |
return 0; |
|
232 |
||
233 |
while ( current_tracking->currentChar >= current_tracking->lineLength ) { |
|
234 |
current_tracking->currentChar = 0; |
|
235 |
current_tracking->currentTokenStart = 1; |
|
236 |
current_tracking->eof = false; |
|
237 |
||
238 |
p = fgets(current_tracking->buffer, MAX_BUFFER_LENGTH, current_tracking->in_file); |
|
239 |
if ( p == NULL ) { |
|
240 |
if ( ferror(current_tracking->in_file) ) |
|
241 |
return 0; |
|
242 |
current_tracking->eof = true; |
|
243 |
return 0; |
|
244 |
} |
|
245 |
||
246 |
current_tracking->lineNumber++; |
|
247 |
current_tracking->lineLength = strlen(current_tracking->buffer); |
|
248 |
} |
|
249 |
||
250 |
b[0] = current_tracking->buffer[current_tracking->currentChar]; |
|
251 |
if (b[0] == ' ' || b[0] == '\t') |
|
252 |
current_tracking->currentTokenStart++; |
|
253 |
current_tracking->currentChar++; |
|
254 |
||
255 |
return b[0]==0?0:1; |
|
256 |
} |
|
257 |
||
258 |
tracking_t* GetNewTracking(FILE* in_file) { |
|
259 |
tracking_t* new_env = new tracking_t; |
|
260 |
new_env->eof = 0; |
|
261 |
new_env->lineNumber = 0; |
|
262 |
new_env->currentChar = 0; |
|
263 |
new_env->lineLength = 0; |
|
264 |
new_env->currentTokenStart = 0; |
|
265 |
new_env->buffer = (char*)malloc(MAX_BUFFER_LENGTH); |
|
266 |
new_env->in_file = in_file; |
|
267 |
return new_env; |
|
268 |
} |
|
269 |
||
270 |
/***********************************************************************/ |
|
271 |
/***********************************************************************/ |
|
272 |
/***********************************************************************/ |
|
273 |
/***********************************************************************/ |
|
274 |
/***********************************************************************/ |
|
275 |
/***********************************************************************/ |
|
276 |
/***********************************************************************/ |
|
277 |
/***********************************************************************/ |
|
278 |
/***********************************************************************/ |
|
279 |
/***********************************************************************/ |
|
280 |
||
281 |
||
177
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
282 |
int stage2__(const char *filename, |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
283 |
const char *includedir, /* Include directory, where included files will be searched for... */ |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
284 |
symbol_c **tree_root_ref, |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
285 |
bool full_token_loc /* error messages specify full token location */ |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
286 |
); |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
287 |
|
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
288 |
|
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
289 |
int stage1_2(const char *filename, symbol_c **tree_root_ref, stage1_2_options_t options) { |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
290 |
/* NOTE: we only call stage2 (bison - syntax analysis) directly, as stage 2 will itself call stage1 (flex - lexical analysis) |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
291 |
* automatically as needed |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
292 |
*/ |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
293 |
|
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
294 |
/* NOTE: Since we do not call stage1__ (flex) directly, we cannot directly pass any parameters to that function either. |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
295 |
* In this case, we use callback functions, i.e. stage1__ (i.e. flex) will call functions defined in this file |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
296 |
* whenever it needs info/parameters coming from stage1_2(). |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
297 |
* These callback functions will get their data from local (to this file) global variables... |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
298 |
* We now set those variables... |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
299 |
*/ |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
300 |
safe_extensions_ = options.safe_extensions; |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
301 |
|
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
302 |
return stage2__(filename, options.includedir, tree_root_ref, options.full_token_loc); |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
303 |
} |
697562a5da7c
Adding support for SAFEBOOL. Some code generation yet to do...
mario
parents:
175
diff
changeset
|
304 |