diff --git a/src/core/fast_hdlparam.rs b/src/core/fast_hdlparam.rs
index 36f0cd7..df6d3f7 100644
--- a/src/core/fast_hdlparam.rs
+++ b/src/core/fast_hdlparam.rs
@@ -61,12 +61,65 @@ pub struct Module {
     pub range: Range
 }
 
+#[derive(Debug, Serialize)]
+pub struct DefineParam {
+    pub name: String,
+    pub value: String
+}
+
+#[derive(Debug, Serialize)]
+pub struct Define {
+    name: String,
+    replacement: String,
+    range: Range,
+    params: Vec<DefineParam>
+}
+
+#[derive(Debug, Serialize)]
+pub struct Include {
+    pub path: String,
+    pub range: Range
+}
+
+#[derive(Debug, Serialize)]
+pub struct Error {
+    severity: String,
+    message: String,
+    source: String,
+    range: Position,
+    running_mode: Option<String>,
+    running_phase: Option<String>,
+}
+
+#[derive(Debug, Serialize)]
+pub struct Macro {
+    pub defines: Vec<Define>,
+    pub includes: Vec<Include>,
+    pub errors: Vec<Error>,
+    pub invalid: Vec<Range>
+}
+
 #[derive(Debug, Serialize)]
 pub struct FastHdlparam {
-    pub fast: Vec<Module>
+    pub fast_macro: Macro,
+    pub content: Vec<Module>
 }
 
 impl FastHdlparam {
+    pub fn add_define(&mut self, name: &str, replacement: &str, start_line: u32, start_character: u32,
+        end_line: u32, end_character: u32, params: Vec<DefineParam>) {
+        let define = Define {
+            name: name.to_string(),
+            replacement: replacement.to_string(),
+            range: Range {
+                start: Position { line: start_line, character: start_character },
+                end: Position { line: end_line, character: end_character }
+            },
+            params
+        };
+        self.fast_macro.defines.push(define);
+    }
+
     pub fn new_module(&mut self, name: &str, line: u32, character: u32, end_character: u32) {
         let module = Module {
             name: name.to_string(),
@@ -82,12 +135,12 @@ impl FastHdlparam {
                 }
             }
         };
-        self.fast.push(module);
+        self.content.push(module);
     }
 
     pub fn add_parameter(&mut self, name: &str, net_type: &str, init: &str,
         start_line: u32, start_character: u32, end_line: u32, end_character: u32) {
-        let last_module = self.fast.last_mut().unwrap();
+        let last_module = self.content.last_mut().unwrap();
         let parameter = Parameter {
             name: name.to_string(),
             net_type: net_type.to_string(),
@@ -106,7 +159,7 @@ impl FastHdlparam {
 
     pub fn add_port(&mut self, name: &str, dir_type: &str, net_type: &str, width: &str,
         start_line: u32, start_character: u32, end_line: u32, end_character: u32) {
-        let last_module = self.fast.last_mut().unwrap();
+        let last_module = self.content.last_mut().unwrap();
         let port = Port {
             name: name.to_string(),
             dir_type: dir_type.to_string(),
@@ -129,7 +182,7 @@ impl FastHdlparam {
     pub fn add_instance(&mut self, name: &str, inst_type: &str, line: u32, character: u32, end_character: u32,
         param_start_line: u32, param_start_character: u32, param_end_line: u32, param_end_character: u32,
         port_start_line: u32, port_start_character: u32, port_end_line: u32, port_end_character: u32 ) {
-        let last_module = self.fast.last_mut().unwrap();
+        let last_module = self.content.last_mut().unwrap();
         let instance = Instance {
             name: name.to_string(),
             inst_type: inst_type.to_string(),
@@ -174,10 +227,10 @@ impl FastHdlparam {
     }
 
     pub fn print_fast(&self) {
-        if self.fast.is_empty() {
+        if self.content.is_empty() {
             println!("none module");
         } else {
-            for module in &self.fast {
+            for module in &self.content {
                 println!("module {}", module.name);
                 if !module.params.is_empty() {
                     println!("  params:");
diff --git a/src/core/sv_parser.rs b/src/core/sv_parser.rs
index e7feba9..cee6043 100644
--- a/src/core/sv_parser.rs
+++ b/src/core/sv_parser.rs
@@ -1,7 +1,9 @@
-use std::collections::HashMap;
+use std::fs::File;
+use std::io::BufRead;
+use std::{collections::HashMap, io::BufReader};
 use std::path::PathBuf;
 use sv_parser::{parse_sv, unwrap_node, ConstantMintypmaxExpression, GateInstantiation, ListOfParameterAssignments, ListOfPortConnections, Locate, PackedDimensionRange, RefNode, SyntaxTree};
-use super::fast_hdlparam::FastHdlparam;
+use super::fast_hdlparam::{FastHdlparam, Macro};
 
 pub fn sv_parser(path: &str) -> Option<FastHdlparam> {
     // The path of SystemVerilog source file
@@ -13,16 +15,22 @@ pub fn sv_parser(path: &str) -> Option<FastHdlparam> {
 
     let result = parse_sv(&path, &defines, &includes, false, true);
     if let Ok((syntax_tree, _)) = result {
-        let hdlparam = make_fast_from_syntaxtree(syntax_tree);
+        let hdlparam = make_fast_from_syntaxtree(syntax_tree, path);
         return Some(hdlparam);
     }
 
     None
 }
 
-pub fn make_fast_from_syntaxtree(syntax_tree: SyntaxTree) -> FastHdlparam {
+pub fn make_fast_from_syntaxtree(syntax_tree: SyntaxTree, path: PathBuf) -> FastHdlparam {
     let mut hdlparam = FastHdlparam {
-        fast: Vec::new()
+        fast_macro: Macro {
+            defines: Vec::new(),
+            errors: Vec::new(),
+            includes: get_includes(path),
+            invalid: Vec::new()
+        },
+        content: Vec::new()
     };
     let mut ansi_port_last_dir = "";
 
@@ -32,6 +40,40 @@ pub fn make_fast_from_syntaxtree(syntax_tree: SyntaxTree) -> FastHdlparam {
     // &SyntaxTree is iterable
     for node in &syntax_tree {
         match node {
+            RefNode::TextMacroDefinition(x) => {
+                let start = unwrap_node!(x, TextMacroDefinition).unwrap();
+                let start = get_identifier(start).unwrap();
+                let (start_line, start_character) = (start.line, get_column_by_offset(&content, start.offset));
+
+                let name = unwrap_node!(x, TextMacroName).unwrap();
+                let name = get_identifier(name).unwrap();
+                let name = syntax_tree.get_str(&name).unwrap();
+
+                let mut params_vec = Vec::new();
+                if let Some(RefNode::ListOfFormalArguments(x)) = unwrap_node!(x, ListOfFormalArguments) {
+                    for node in x {
+                        if let RefNode::FormalArgument(x) = node {
+                            let param_name = unwrap_node!(x, SimpleIdentifier).unwrap();
+                            let param_name = get_identifier(param_name).unwrap();
+                            let param_name = syntax_tree.get_str(&param_name).unwrap();
+                            let param_val = match unwrap_node!(x, DefaultText) {
+                                Some(RefNode::DefaultText(x)) => syntax_tree.get_str(&x.nodes.0).unwrap(),
+                                _ => "Unknown"
+                            };
+                            params_vec.push(crate::core::fast_hdlparam::DefineParam { name: param_name.to_string(), value: param_val.to_string() });
+                        }
+                    }
+                }
+
+                let replacement = match unwrap_node!(x, MacroText) {
+                    Some(RefNode::MacroText(x)) => Some(x.nodes.0),
+                    _ => None
+                }.unwrap();
+                let (end_line, end_character) = (replacement.line, get_column_by_offset(&content, replacement.offset) + replacement.len);
+                let replacement = syntax_tree.get_str(&replacement).unwrap();
+
+                hdlparam.add_define(name, replacement, start_line, start_character as u32, end_line, end_character as u32, params_vec);
+            }
             RefNode::ModuleDeclaration(x) => {
                 let id = unwrap_node!(x, ModuleIdentifier).unwrap();
                 let id = get_identifier(id).unwrap();
@@ -490,6 +532,41 @@ fn get_identifier(node: RefNode) -> Option<Locate> {
     }
 }
 
+fn get_includes(path: PathBuf) -> Vec<crate::core::fast_hdlparam::Include> {
+    let mut includes = Vec::new();
+
+    let file = File::open(path).unwrap();
+    let reader = BufReader::new(file);
+
+    for (line_number, line_content) in reader.lines().enumerate() {
+        let line_content = line_content.unwrap();
+
+        if line_content.trim().starts_with("`include") {
+
+            let parts: Vec<&str> = line_content.split_whitespace().collect();
+
+            if parts.len() >= 2 {
+                let path = parts[1];
+                let last_character = line_content.find(path).unwrap() + path.len();
+
+                includes.push(crate::core::fast_hdlparam::Include {
+                    path: path.to_string(),
+                    range: crate::core::fast_hdlparam::Range {
+                        start: crate::core::fast_hdlparam::Position {
+                            line: (line_number + 1) as u32, character: 1
+                        },
+                        end: crate::core::fast_hdlparam::Position {
+                            line: (line_number + 1) as u32, character: last_character as u32
+                        }
+                    }
+                });
+            }
+        }
+    }
+
+    includes
+}
+
 fn get_column_by_offset(content: &[String], offset: usize) -> usize {
     let mut current_offset = 0;
 
diff --git a/src/core/vhdl_parser.rs b/src/core/vhdl_parser.rs
index 9ead6f6..0b6bdad 100644
--- a/src/core/vhdl_parser.rs
+++ b/src/core/vhdl_parser.rs
@@ -8,7 +8,13 @@ pub fn vhdl_parser(path: &str) -> FastHdlparam {
     let path = PathBuf::from(path);
 
     let mut hdlparam = FastHdlparam {
-        fast: Vec::new()
+        fast_macro: Macro {
+            defines: Vec::new(),
+            errors: Vec::new(),
+            includes: Vec::new(),
+            invalid: Vec::new()
+        },
+        content: Vec::new()
     };
 
     let parser = VHDLParser::new(VHDLStandard::VHDL2008);
@@ -20,7 +26,7 @@ pub fn vhdl_parser(path: &str) -> FastHdlparam {
         all_tockens.extend(tokens);
     }
 
-    hdlparam.fast.extend(parse_tokens(all_tockens));
+    hdlparam.content.extend(parse_tokens(all_tockens));
     hdlparam
 }
 
diff --git a/src/custom_request.rs b/src/custom_request.rs
index 55b1846..04af477 100644
--- a/src/custom_request.rs
+++ b/src/custom_request.rs
@@ -113,7 +113,7 @@ pub fn do_fast(path: String) -> Result<FastHdlparam> {
     );
 
     if let Some(syntax_tree) = parse_result {
-        let hdlparam = make_fast_from_syntaxtree(syntax_tree);
+        let hdlparam = make_fast_from_syntaxtree(syntax_tree, path_buf);
         return Ok(hdlparam);
     }